Injection pump capable of being safely and accurately controlled

Abstract

An injection pump integrating safety and precise control comprises a shell, a clamping structure and a transmission structure, the shell is provided with a movable mounting cavity and an assembly mounting cavity, the clamping structure is provided with a profiling pressing plate and a torsion part, and the transmission structure comprises a transmission supporting frame, a rotating structure, a power structure and an adjusting structure. The movable installation cavity is used for installing a needle tube, the clamping structure is connected to the movable installation cavity, the profiling pressing plate abuts against the needle tube and is connected to the torsion piece, the torsion piece can enable the profiling pressing plate to automatically rotate so as to clamp the needle tube and prevent the needle tube from moving, and the rotating structure is connected to the power structure. The power structure is connected to the adjusting structure, and the power structure is adjusted through the adjusting structure to drive the rotating structure to move so as to drive the needle tube to conduct precise injection and quantitative injection and then automatically stop. According to the scheme, the needle tube clamping structure is optimized, and the effects of simplifying the clamping structure, saving the installation time, improving the injection efficiency and reducing the size are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical injection pumps, and in particular relates to an injection pump that combines safety and precise control. Background Art

[0002] In view of the current hospital wards, operating rooms, ICU and other medical fields, there is a demand for stable and accurate drug infusion in various situations, such as infusion, intravenous nutrition, blood product infusion, chemotherapy, etc., as well as an increased demand for accuracy and safety of drug infusion. However, the current technology related to syringe pumps has multiple clamping structures and components, and the push handle assembly and screw structure are not integrated into one, resulting in a large size of the syringe pump, inflexible operation, troublesome needle installation, and cumbersome operation of syringe pump infusion supervision, which is not convenient for medical staff to use. Therefore, the utility model proposes a new solution to the above technical problems. Utility Model Content

[0003] The purpose of the utility model is to provide an injection pump that combines safety and precise control, adopts an optimized needle clamping structure, the push handle assembly adopts an integrated operation design, and a stroke positioner, a tube installation sensor, a pressure sensor, and an alarm device are added to the control, so as to simplify the clamping structure, save the needle installation time of medical staff, improve the injection efficiency of the injection pump, reduce the volume, improve the convenience of operation, and improve the injection accuracy and safety of the injection pump.

[0004] Based on this, the utility model provides a syringe pump that combines safety and precise control, including:

[0005] A housing, wherein the housing is provided with a movable installation cavity and a component installation cavity, wherein the movable installation cavity is used to install a needle tube, and the component installation cavity is used to install a syringe pump component;

[0006] A clamping structure, wherein the clamping structure is connected to the movable installation cavity, and the clamping structure is provided with a profiling pressure plate and a torque member, wherein the profiling pressure plate is connected to the torque member, and the torque member can make the profiling pressure plate automatically rotate so that the profiling pressure plate can clamp the needle tube to prevent the needle tube from moving;

[0007] A transmission structure, wherein the transmission structure is connected to the component installation cavity, and the transmission structure includes a transmission support frame, a rotating structure, a power structure, and an adjusting structure. The rotating structure is movably connected to the needle tube and the rotating structure is connected to the power structure. The power structure is connected to the adjusting structure, and the rotating structure is driven to move by adjusting the power structure through the adjusting structure to drive the needle tube to perform precise injection and quantitative injection and then stop automatically.

[0008] As described above, an injection pump that combines safety and precise control, the rotating structure includes a push handle assembly and a screw structure, the push handle assembly is connected to the needle tube, and the push handle assembly is connected to the screw structure, and the screw structure is connected to the power structure, and the power structure drives the screw structure to rotate to push the push handle assembly to move to achieve precise injection of the needle tube.

[0009] As described above, an injection pump combining safety and precise control, the push handle assembly includes a pushing handle, a stretching hollow tube, a stabilizing long rod, a stroke locator, a stroke positioning sensing strip, a connecting clutch, an elastic connecting piece, a needle tube fixing block, and a clutch rod, wherein the needle tube fixing block is fixedly connected to one side of the shell and can abut against the pushing handle, the stroke positioning sensing strip is fixedly connected to the transmission support frame, the pushing handle is connected to the needle tube, one end of the stretching hollow tube is movably connected to the needle tube fixing block and fixedly connected to the pushing handle, and the other end is fixedly connected to the stroke locator, one end of the stroke locator is movably connected to the stroke positioning sensing strip, and the other end is connected to the stabilizing long rod to realize position sensing, the clutch rod is installed in the stretching hollow tube cavity, one end of the clutch rod is rotatably connected to the pushing handle, and the other end is connected to the connecting clutch, the connecting clutch is elastically connected to the stroke locator through the elastic connecting piece, and the connecting clutch is rotatably connected to the screw structure to realize driving the push handle assembly to move.

[0010] As described above, an injection pump that combines safety and precise control, the pushing handle is provided with a tube clamp, a pushing handle block, a pushing handle shell, a tube clamp transmission tooth, a clutch rod connecting tooth, a tube loading sensor, and a pressure sensor. The tube clamp transmission tooth and the clutch rod connecting tooth are rotatably connected in the pushing handle shell, and the tube clamp transmission tooth and the clutch rod connecting tooth are meshingly connected. The clutch rod is connected to the clutch rod connecting tooth and fixed to the pushing handle block. The tube clamp is installed on the outside of the pushing handle shell and fixedly connected to the tube clamp transmission tooth. The tube loading sensor and the pressure sensor are used for sensing connection. The pushing handle block is installed on the other side of the pushing handle shell relative to the tube clamp to drive the tube clamp and the connecting clutch to rotate.

[0011] As described above, an injection pump that combines safety and precise control, the screw structure is provided with a transmission bearing, a transmission screw, and a transmission gear, the transmission bearings are relatively fixedly connected to both sides of the transmission support frame, the transmission screw is rotatably connected to the transmission bearing, the transmission gear is arranged on the opposite side of the pushing handle, and the transmission gear is connected to the transmission screw and is rotatably connected to the power structure.

[0012] In the injection pump that combines safety and precise control as described above, the power structure includes a motor and a power supply, the motor is electrically connected to the power supply, and the motor is rotationally connected to the transmission gear through a gear belt to drive the screw structure to rotate.

[0013] As described above, an injection pump that combines safety and precise control, the adjustment structure is provided with an interactive module and an alarm device, and the motor, alarm device, stroke locator, tube loading sensor, and pressure sensor are communicatively connected to the interactive module, so that after the injection is completed, the interactive module controls the motor to stop rotating and the alarm device to sound an alarm.

[0014] As described above, an injection pump that combines safety and precise control, the transmission support frame is provided with a bearing mounting hole, a hollow tube mounting hole, a stabilizing long rod hole, a support frame fixing hole, and a stroke positioning sensor strip mounting position, the transmission bearing is fixedly connected to the bearing mounting hole, the stretching hollow tube is movably connected to the hollow tube mounting hole, the stabilizing long rod holes are relatively arranged on both sides of the transmission support frame so that the stabilizing long rod can be fixedly connected to the transmission support frame, the support frame fixing hole is for the transmission support frame to be fixedly connected to the shell, and the stroke positioning sensor strip mounting position is for the stroke positioning sensor strip to be fixedly connected.

[0015] In the injection pump that combines safety and precise control as described above, the clamping structure is also provided with a torsion elastic member, a torsion connector, and a needle tube identification member. The elastic connector can be connected to a reset spring, the torsion member is connected to the torsion elastic member so that the torsion member can rotate automatically, and the torsion member can pass through the torsion elastic member to be connected to the torsion connector, and the needle tube identification member is connected to the torsion connector to identify the needle tube type.

[0016] As described above, in an injection pump that combines safety and precise control, the shell further includes a bottom shell, a middle shell, and a display cover plate. The middle shell is fixedly connected to the bottom shell to form the component installation cavity, and the display cover plate and the middle shell are rotatably connected to form the movable installation cavity.

[0017] Implementing the embodiments of the utility model has the following beneficial effects:

[0018] 1. This solution adopts an optimized needle tube clamping structure. By connecting the clamping structure to the movable installation cavity and the contoured pressure plate to the torque piece, the torque piece can make the contoured pressure plate rotate automatically. The medical staff only needs to push the contoured pressure plate to put the needle tube into the movable installation cavity, and then release the contoured pressure plate. The contoured pressure plate can automatically abut against the needle tube. At the same time, the contoured pressure plate supports the tail end of the needle tube to prevent the needle tube from moving when it is pushed for injection, eliminating multiple needle tube fixing positions and saving the time for medical staff to align the needle tube fixing positions, thereby simplifying the clamping structure, saving the needle tube installation time of medical staff, and improving the injection efficiency of the injection pump and reducing the volume.

[0019] 2. The push handle assembly of this scheme adopts an integrated operation design. The pushing handle block on the pushing handle is directly connected to the clutch rod. The clutch rod is installed in the stretched hollow tube and can rotate freely. The clutch rod connecting teeth and the connecting clutch are fixedly connected to the clutch rod. The tube clamp is connected to the tube clamp transmission teeth, and the tube clamp transmission teeth are meshed with the clutch rod connecting teeth. By pushing out the pushing handle and rotating the pushing handle block, the tube clamp can be loosened to clamp the injection end of the needle tube. Locking the pushing handle block can make the tube clamp clamp the injection end of the needle tube and make the connecting clutch abut against the transmission screw for rotation and connection. Then the motor can be started to drive the transmission screw to rotate, and the transmission screw drives the connecting clutch to move for precise injection, thereby simplifying the structure of the injection pump, improving the convenience of operation, saving the efficiency of medical personnel in installing the needle tube, and reducing the volume of the injection pump.

[0020] 3. This solution adds a stroke locator, a tube loading sensor, a pressure sensor, and an alarm device to the control. The stroke locator, tube loading sensor, pressure sensor, alarm device and motor are connected to the interactive module. After the needle is installed in the movable installation cavity, the tube loading sensor, pressure sensor and stroke locator are fed back to the interactive module, and the parameters are set and issued through the interactive module. After the injection is completed according to the parameters, the stroke locator is fed back to the interactive module, and the interactive module controls the motor to stop rotating and the alarm device to sound an alarm, thereby achieving precise control and sounding an alarm after the injection to notify medical staff to deal with it in time, thereby achieving stable and accurate injection of drugs by the injection pump and simplifying the tedious operations of medical staff in supervising infusion, greatly improving the injection accuracy and safety of the injection pump. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0023] Figure 2 For the corresponding Figure 1 A schematic diagram of the structure in another direction;

[0024] Figure 3 It is a structural explosion diagram of an embodiment of the utility model;

[0025] Figure 4 For the corresponding Figure 3 Exploded view of the structure in the other direction;

[0026] Figure 5 For the corresponding Figure 4 A magnified view of part A;

[0027] Figure 6 It is a structural schematic diagram of the rotating structure and the clamping structure;

[0028] Figure 7 It is a structural schematic diagram of the needle tube fixing block;

[0029] Figure 8 It is a schematic diagram of the structure of the connection clutch;

[0030] Fig. 9 It is a structural schematic diagram of the right handle housing;

[0031] Fig.10 It is a structural schematic diagram of the left handle housing;

[0032] Fig.11 It is a structural schematic diagram of the push handle block;

[0033] Fig.12 It is a structural schematic diagram of the transmission support frame;

[0034] Fig.13 For the corresponding Fig.12 A schematic diagram of the structure in another direction;

[0035] Fig.14 It is a structural schematic diagram of a contoured pressing plate;

[0036] Fig.15 is a schematic diagram of the structure of the torsion member;

[0037] Fig.16 is a schematic diagram of the structure of the lower bottom shell;

[0038] Fig.17 Schematic diagram of the structure of the upper bottom shell;

[0039] Fig.18 It is a schematic diagram of the structure of the middle shell;

[0040] Fig.19 For the corresponding Fig.18 A schematic diagram of the structure in another direction;

[0041] Fig. 20 A schematic diagram showing the structure of the cover plate seat;

[0042] Fig.21 A schematic diagram showing the structure of the fixed plate;

[0043] Fig. 22 It is a structural schematic diagram of part of the structure of the embodiment of the utility model;

[0044] Fig.23 For the corresponding Fig. 22 Schematic diagram of the structure in the other direction. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0046] like Figures 1 to 23 As shown, the embodiment of the utility model provides a syringe pump that combines safety and precise control, including:

[0047] The housing 1 is provided with a movable installation cavity 11 and a component installation cavity 12, wherein the movable installation cavity 11 is used to install a needle tube 16, and the component installation cavity 12 is used to install an injection pump component; a clamping structure 2, wherein the clamping structure 2 is connected to the movable installation cavity 11, and the clamping structure 2 is provided with a profiling pressure plate 21 and a torsion member 22, wherein the profiling pressure plate 21 is connected to the torsion member 22, and the torsion member 22 can make the profiling pressure plate 21 automatically rotate so that the profiling pressure plate 21 can clamp the needle tube 16 to prevent the needle tube 16 from moving. The transmission structure 3 is connected to the component installation cavity 12, and the transmission structure 3 includes a transmission support frame 31, a rotating structure 32, a power structure 33, and an adjusting structure 34. The rotating structure 32 is movably connected to the needle tube 16 and the rotating structure 32 is connected to the power structure 33. The power structure 33 is connected to the adjusting structure 34. The power structure 33 is adjusted by the adjusting structure 34 to drive the rotating structure 32 to move so as to drive the needle tube 16 to perform precise injection and quantitative injection and then stop automatically.

[0048] Specifically, the rotating structure 32 includes a push handle assembly 321 and a screw structure 322. The push handle assembly 321 is connected to the needle tube 16, and the push handle assembly 321 is connected to the screw structure 322. The screw structure 322 is connected to the power structure 33. The power structure 33 drives the screw structure 322 to rotate to push the push handle assembly 321 to move to achieve precise injection of the needle tube 16. Such a design makes the connection tighter, reduces the installation space of the components, and effectively reduces the volume of the injection pump.

[0049] Furthermore, the push handle assembly 321 includes a push handle 3211, a stretching hollow tube 3212, a stabilizing long rod 3213, a stroke positioner 3214, a stroke positioning sensor strip 3215, a connecting clutch 3216, an elastic connecting member 3217, a needle tube fixing block 3218, and a clutch rod 3219. The needle tube fixing block 3218 is provided with an injection end groove 32181, a stretching hollow tube hole 1 32182, and a needle tube fixing stabilizing hole 32183. The injection end groove 32181 is a U-shaped design that can be used to place the injection end of the needle tube 16, and can also support the tail end of the syringe to prevent the syringe from moving backwards. The needle tube fixing block 3218 is fixedly connected to one side of the shell 1 through the needle tube fixing stabilizing hole 32183 and can abut against the pushing handle 3211. The stretching hollow tube hole-torsion elastic member 2332182 torsion elastic member 23 can allow the stretching hollow tube 3212 to pass through and support the stretching hollow tube 3212; the stroke positioning sensing strip 3215 is fixedly connected to the transmission support frame 31; the pushing handle 3211 is connected to the needle tube 16 to clamp the injection end tail of the needle tube 16; one end of the stretching hollow tube 3212 is movably connected to the needle tube fixing block 3218 The travel locator 3214 is fixedly connected to the pushing handle 3211 at one end, and the travel locator 3214 is fixedly connected to the pushing handle 3211 at the other end so that the travel locator 3214 can be driven by moving the pushing handle 3211; one end of the travel locator 3214 abuts against the travel positioning sensing strip 3215, and the other end is connected to the stable long rod 3213 to realize the position sensing of the travel locator 3214, so as to ensure the accurate sensing of the displacement data and realize the precise injection; the clutch rod 3219 is installed in the cavity of the stretching hollow tube 3212, and one end of the clutch rod 3219 is rotatably connected to the pushing handle 3211, and the other end is connected to the The connecting clutch 3216 is connected to the connecting clutch 3216 so that the connecting clutch 3216 can be rotated by the pushing handle 3211; the connecting clutch 3216 is provided with a screw clamping hole 32161 and a clutch rod fixing hole 32162, and the connecting clutch 3216 is elastically connected to the stroke locator 3214 through the elastic connecting member 3217, and the connecting clutch 3216 is rotatably connected to the screw structure 322 through the screw clamping hole 32161 and fixedly connected to the clutch rod 3219 through the clutch rod fixing hole 32162 to realize driving the pushing handle assembly 321 to move.

[0050] Furthermore, the pushing handle 3211 is provided with a pipe clamp 32111, a pushing handle block 32112, a pushing handle housing 32113, a pipe clamp transmission tooth 32114, a clutch rod connecting tooth 32115, a pipe loading sensor 32116, a pressure sensor 32117, and a sensor assembly 32118. The pushing handle housing 32113 is provided with a left handle housing 321131 and a right handle housing 321132. The left handle housing 321131 is provided with a pushing handle block hole 3211311, a pushing handle block hole card hole 3211312, and a tilting block 3211313. The right handle housing 321132 is provided with a pipe clamp transmission tooth hole 3211321, a pipe loading sensor hole 3211322, a pressure sensor 3211324, and a pressure sensor 3211325. The sensor hole 3211323, the sensor assembly hole 3211324, and the clutch rod connecting tooth hole 3211325 are used to connect the components of the pushing handle 3211; the sensor assembly hole 3211324 is used to install the sensor assembly 32118, the pipe clamp transmission tooth 32114 is rotatably connected to the pipe clamp transmission tooth hole 3211321, the clutch rod connecting tooth 32115 is rotatably connected to the clutch rod connecting tooth hole 3211325, and the pipe clamp transmission tooth 32114 and the clutch rod connecting tooth 32115 are meshed and connected, and the clutch rod 3219 passes through the clutch rod connecting tooth hole 3211325 to connect to the clutch rod connecting tooth 32115 and is fixed thereto. The pushing handle block 32112; the tube clamp 32111 is designed to be arc-shaped so that the injection end of the needle tube 16 can be clamped. The tube clamp 32111 is rotatably connected to the outer side of the pushing handle shell 32113 through the tube clamp transmission tooth hole 3211321 and is fixedly connected to the tube clamp transmission tooth 32114. The tube loading sensor 32116 and the pressure sensor 32117 are respectively connected to the pushing handle shell 32113 through the tube loading sensor hole 3211322 and the pressure sensor hole 3211323 for sensing connection; the pushing handle block 32112 is provided with a mounting bevel block 321121, a clutch rod rotation hole 321122, and a pushing handle protrusion 321123. The pushing handle block 32112 is fixedly connected to the clutch rod 3219 through the pushing handle block hole 3211311, and the mounting bevel block 321121 abuts against the inclined block 3211313, and the pushing handle protrusion 321123 is clamped in the pushing handle block hole 3211312. The pushing handle block 32112 is installed on the other side of the pushing handle housing 32113 relative to the tube clamp 32111 to drive the tube clamp 32111 and the connecting clutch 3216 to rotate. The tail of the injection end of the needle tube 16 abuts against the sensor assembly 32118 to trigger the tube loading sensor 32116 and the pressure sensor 32117. Such a design facilitates clamping of the needle tube 16.

[0051] Furthermore, the screw structure 322 is provided with a transmission bearing 3221, a transmission screw 3222, and a transmission gear 3223. The transmission bearing 3221 is relatively fixedly connected to both sides of the transmission support frame 31, the transmission screw 3222 is rotatably connected to the transmission bearing 3221, the transmission gear 3223 is arranged on the opposite side of the pushing handle 3211, and the transmission gear 3223 is connected to the transmission screw 3222 and rotatably connected to the power structure 33. By adding the transmission bearing 3221, the transmission screw 3222 can be easily rotated, so that the power structure 33 can easily control the rotation of the transmission screw 3222 to achieve precise control of the injection pump injection.

[0052] Furthermore, the power structure 33 includes a motor 331 and a power supply 332. The motor 331 is electrically connected to the power supply 332, and the motor 331 is rotatably connected to the transmission gear 3223 through a gear belt to drive the screw structure 322 to rotate. By adopting motor transmission, precise control of the transmission screw 3222 can be achieved by adjusting parameters such as speed, direction and torque to achieve precise control of the injection volume of the injection pump.

[0053] Furthermore, the adjustment structure 34 is provided with an interactive module 341 and an alarm device 342. The interactive module 341 is provided with a control panel 3411, a display screen assembly 3412, and a switch key 3413. The control panel 3411 and the switch key 3413 are communicatively connected to the display screen assembly 3412. The injection parameters of the injection pump can be set through the display screen assembly 3412, and the switch key 3413 can control the switch of the injection pump; the motor 331, the alarm device 342, the stroke positioner 3214, the tube loading sensor 32116, and the pressure sensor 32117 are communicatively connected to the interactive module 341. After the parameters are set through the display screen assembly 3412, they can be sent to the stroke positioner 3214 and the motor 331, so that after the injection is completed, the interactive module 341 controls the motor 331 to stop rotating and the alarm device 342 to emit an alarm sound.

[0054] Furthermore, the transmission support frame 31 is provided with a bearing mounting hole 311, a hollow tube mounting hole 312, a stabilizing long rod hole 313, a support frame fixing hole 314, a stroke positioning sensor strip mounting position 315, a middle shell connecting hole 316, and a motor mounting hole 317. The transmission bearing 3221 is fixedly connected to the bearing mounting hole 311, the stretching hollow tube 3212 is movably connected to the hollow tube mounting hole 312, the stabilizing long rod hole 313 is relatively arranged on both sides of the transmission support frame 31 so that the stabilizing long rod 3213 can be fixedly connected to the transmission support frame 31, the support frame fixing hole 314 is provided for the transmission support frame 31 to be fixedly connected to the shell 1, the stroke positioning sensor strip mounting position 315 is provided for the stroke positioning sensor strip 3215 to be fixedly connected to realize the position sensing accuracy of the stroke locator 3214 to ensure accurate injection, and the motor 331 is fixedly connected to the motor mounting hole 317 to maintain stable rotation.

[0055] Furthermore, the torque member 22 is provided with a pressure plate end 221 and a torque connection head end 222. The ports on the same side of the pressure plate end 221 and the torque connection head end 222 are designed to be flat, making it easier to transmit elastic force; the contoured pressure plate 21 is designed to imitate the shape of a needle tube so as to increase the contact area with the needle tube 16 and improve the clamping effect. The contoured pressure plate 21 is provided with a torque member clamping hole 211, a syringe tail abutment end 212, and a syringe clamping end 213. The torque member clamping hole 211 can be used for the pressure plate end 221 to be clamped in, and the torque member clamping hole 211 is also provided with a convex block to prevent the torque member 22 from rotating, the syringe tail abutment end 212 can abut the syringe tail end to prevent movement, and the syringe clamping end 213 abuts against the surface of the needle tube 16 to prevent sliding; the clamping structure 2 is also provided with a torsion elastic member 23, a torque ... A connector 24 and a needle tube identifier 25. The torsion elastic member 23 is provided with a clamping column 231 and a reset spring is connected through the clamping column 231 to realize elastic automatic reset. The torsion member 22 is connected to the torsion elastic member 23 so that the torsion member 22 can rotate automatically, and the torsion member 22 can pass through the torsion elastic member 23 and be fixedly connected to the torsion connector 24 through the torsion connector end 222. The needle tube identifier 25 is connected to the torsion connector 24 to identify the volume type of the needle tube 16 so as to transmit it to the interactive module 341 for adjusting the corresponding injection volume according to the corresponding volume.

[0056] Furthermore, the housing 1 further comprises a bottom housing 13, a middle housing 14, and a display cover plate 15, wherein the middle housing 14 is fixedly connected to the bottom housing 13 to form the component installation cavity 12, and the display cover plate 15 and the middle housing 14 are rotatably connected to form the movable installation cavity 11;

[0057] The bottom shell 13 is provided with an upper bottom shell 131 and a lower bottom shell 132. The upper bottom shell 131 is provided with a motor mounting position 1311, a power socket 1312, an alarm device mounting position 1313, a bottom shell connecting column 1314, and a limiting card slot 1315. The lower bottom shell 132 is provided with a control board connecting hole 1321, a bottom shell connecting hole 1322, a power slot 1323, a support frame fixing column 1324, and a limiting card slot 2 1325. The motor mounting position 1311 can be used for positioning and installing the motor 331, and the power slot 1323 can be used for positioning and installing the power supply 332 and passing through the The power socket 1312 is firmly connected, the alarm device installation position 1313 can be used for the alarm device 342 to be inserted, the upper bottom shell 131 is threadedly connected to the bottom shell connecting hole 1322 through the bottom shell connecting column 1314 and fixedly connected to the lower bottom shell 132, the control board 3411 can be fixedly connected to the control board connecting hole 1321 to maintain stability, the transmission support frame 31 can be fixedly connected to the support frame fixing column 1324 to keep the bracket stable, and the limit slot 1 1315 cooperates with the limit slot 2 1325 to facilitate the insertion of the middle shell 14;

[0058] The middle shell 14 is provided with a clamping structure mounting position 141, a middle shell fixing column 142, a needle tube mounting position 143, a needle tube hose clamping structure mounting position 144, a cover plate rotating block 145, and a needle tube fixing block mounting position 147. The clamping structure mounting position 141 can be used for fixing and installing the clamping structure 2. The middle shell 14 is threadedly connected with the middle shell fixing column 142 through the middle shell connecting hole 316 and fixedly connected to the transmission support frame 31. The needle tube mounting position 143 is arranged in the movable mounting cavity 11. The needle tube 16 can be movably installed, the needle tube hose fixing structure installation position 144 can be fixedly connected to the needle tube hose fixing structure 146, and the display cover 15 is rotatably connected to the cover rotating block 145; the needle tube fixing block 3218 is fixedly connected to the needle tube fixing block installation position 147, and the needle tube fixing block installation position 147 is provided with a middle shell hollow tube hole 1471, and the middle shell hollow tube hole 1471 is for the stretching hollow tube 3212 to pass through to connect the pushing handle 3211;

[0059] The display cover 15 is provided with a display fixing plate 151 and a display cover seat 152. The display fixing plate 151 is provided with a display screen mounting position 1511, a display mounting slot 1512, and a cover seat connecting hole 1513. The display cover seat 152 is provided with a middle shell connecting position 1521 and a display fixing plate hole 1522. The display fixing plate 151 can be fixedly connected to the display screen assembly 3412, and the display fixing plate 151 is inserted into the middle shell connecting position 1521 through the display mounting slot 1512 and is threadedly connected to the display fixing plate hole 1522 through the cover seat connecting hole 1513 to be firmly fixed to the display cover seat 152. The display cover 15 is rotatably connected to the cover rotating block 145 by a rotating column through the middle shell connecting position 1521 to realize opening and closing of the display cover 15.

[0060] It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0061] The above is a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several improvements and modifications without departing from the principle of the present invention. These improvements and modifications are also considered to be within the protection scope of the present invention.

Claims

1. A syringe pump combining safety and precise control, characterized in that: include: A housing (1), the housing (1) being provided with a movable installation cavity (11) and a component installation cavity (12), the movable installation cavity (11) being used for installing a needle tube (16), and the component installation cavity (12) being used for installing an injection pump component; a clamping structure (2), the clamping structure (2) being connected to the movable mounting cavity (11), the clamping structure (2) being provided with a contoured pressure plate (21) and a torque member (22), the contoured pressure plate (21) being connected to the torque member (22), the torque member (22) being capable of causing the contoured pressure plate (21) to automatically rotate so that the contoured pressure plate (21) can clamp the needle tube (16) to prevent the needle tube (16) from moving; A transmission structure (3), the transmission structure (3) being connected to the component installation cavity (12), the transmission structure (3) comprising a transmission support frame (31), a rotating structure (32), a power structure (33), and an adjustment structure (34), the rotating structure (32) being movably connected to the needle tube (16) and the rotating structure (32) being connected to the power structure (33), the power structure (33) being connected to the adjustment structure (34), and the power structure (33) being adjusted by the adjustment structure (34) to drive the rotating structure (32) to move so as to drive the needle tube (16) to perform precise injection and quantitative injection and then automatically stop.

2. The syringe pump combining safety and precise control according to claim 1, characterized in that: The rotating structure (32) comprises a push handle assembly (321) and a screw structure (322); the push handle assembly (321) is connected to the needle tube (16), and the push handle assembly (321) is connected to the screw structure (322); the screw structure (322) is connected to the power structure (33); the power structure (33) drives the screw structure (322) to rotate so as to push the push handle assembly (321) to move, thereby achieving accurate injection of the needle tube (16).

3. The syringe pump combining safety and precise control according to claim 2, characterized in that: The push handle assembly (321) comprises a pushing handle (3211), a stretching hollow tube (3212), a stabilizing long rod (3213), a stroke positioner (3214), a stroke positioning sensing strip (3215), a connecting clutch (3216), an elastic connecting member (3217), a needle tube fixing block (3218), and a clutch rod (3219), wherein the needle tube fixing block (3218) is fixedly connected to one side of the housing (1) and can abut against the pushing handle (3211), the stroke positioning sensing strip (3215) is fixedly connected to the transmission support frame (31), the pushing handle (3211) is connected to the needle tube (16), and one end of the stretching hollow tube (3212) is movably connected to the needle tube fixing block (3218) and abuts against the pushing handle (3211). The travel locator (3214) is fixedly connected at one end, and the other end is fixedly connected to the travel locator (3214). One end of the travel locator (3214) is movably connected to the travel positioning sensing strip (3215), and the other end is connected to the stabilizing long rod (3213) to realize position sensing. The clutch rod (3219) is installed in the cavity of the stretching hollow tube (3212). One end of the clutch rod (3219) is rotatably connected to the pushing handle (3211), and the other end is connected to the connecting clutch (3216). The connecting clutch (3216) is elastically connected to the travel locator (3214) through the elastic connecting member (3217), and the connecting clutch (3216) is rotatably connected to the screw structure (322) to drive the pushing handle assembly (321) to move.

4. The syringe pump combining safety and precise control according to claim 3, characterized in that: The pushing handle (3211) is provided with a pipe clamp (32111), a pushing handle block (32112), a pushing handle shell (32113), a pipe clamp transmission tooth (32114), a clutch rod connecting tooth (32115), a pipe loading sensor (32116), and a pressure sensor (32117); the pipe clamp transmission tooth (32114) and the clutch rod connecting tooth (32115) are rotatably connected in the pushing handle shell (32113); the pipe clamp transmission tooth (32114) and the clutch rod connecting tooth (32115) are meshedly connected; the clutch rod (3219) The tube clamp (32111) is connected to the clutch rod connecting tooth (32115) and fixed to the pushing handle block (32112); the tube clamp (32111) is installed on the outside of the pushing handle shell (32113) and fixedly connected to the tube clamp transmission tooth (32114); the tube loading sensor (32116) and the pressure sensor (32117) are used for sensing connection; the pushing handle block (32112) is installed on the other side of the pushing handle shell (32113) relative to the tube clamp (32111) to drive the tube clamp (32111) and the connecting clutch (3216) to rotate.

5. The syringe pump combining safety and precise control according to claim 3, characterized in that: The screw structure (322) is provided with a transmission bearing (3221), a transmission screw (3222), and a transmission gear (3223); the transmission bearing (3221) is relatively fixedly connected to two sides of the transmission support frame (31); the transmission screw (3222) is rotationally connected to the transmission bearing (3221); the transmission gear (3223) is provided on the opposite side of the pushing handle (3211); and the transmission gear (3223) is connected to the transmission screw (3222) and rotationally connected to the power structure (33).

6. The syringe pump combining safety and precise control according to claim 5, characterized in that: The power structure (33) comprises a motor (331) and a power source (332); the motor (331) is electrically connected to the power source (332), and the motor (331) is rotationally connected to the transmission gear (3223) via a gear belt to drive the screw structure (322) to rotate.

7. The syringe pump combining safety and precise control according to claim 6, characterized in that: The regulating structure (34) is provided with an interactive module (341) and an alarm device (342). The motor (331), the alarm device (342), the stroke positioner (3214), the tube loading sensor (32116), and the pressure sensor (32117) are communicatively connected to the interactive module (341), so that after the injection is completed, the interactive module (341) controls the motor (331) to stop rotating and the alarm device (342) to emit an alarm sound.

8. The syringe pump combining safety and precise control according to claim 7, characterized in that: The transmission support frame (31) is provided with a bearing mounting hole (311), a hollow tube mounting hole (312), a stabilizing long rod hole (313), a support frame fixing hole (314), and a travel positioning sensor strip mounting position (315); the transmission bearing (3221) is fixedly connected to the bearing mounting hole (311); the stretching hollow tube (3212) is movably connected to the hollow tube mounting hole (312); the stabilizing long rod hole (313) is relatively arranged on two sides of the transmission support frame (31) so that the stabilizing long rod (3213) can be fixedly connected to the transmission support frame (31); the support frame fixing hole (314) is used for the transmission support frame (311) to be fixedly connected to the housing (1); and the travel positioning sensor strip mounting position (315) is used for the travel positioning sensor strip (3215) to be fixedly connected.

9. The syringe pump combining safety and precise control according to claim 1, characterized in that: The clamping structure (2) is further provided with a torsion elastic member (23), a torsion connector (24), and a needle tube identification member (25); the torsion elastic member (23) can be connected to a reset spring; the torsion member (22) is connected to the torsion elastic member (23) so that the torsion member (22) can automatically rotate; and the torsion member (22) can pass through the torsion elastic member (23) and be connected to the torsion connector (24); and the needle tube identification member (25) is connected to the torsion connector (24) to identify the type of the needle tube (16).

10. The syringe pump combining safety and precise control according to claim 1, characterized in that: The housing (1) further comprises a bottom housing (13), a middle housing (14), and a display cover plate (15); the middle housing (14) is fixedly connected to the bottom housing (13) to enclose the component installation cavity (12); and the display cover plate (15) and the middle housing (14) are rotatably connected to enclose the movable installation cavity (11).

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