High pressure syringe pump with quick clamping structure

Abstract

The application relates to a high-pressure injection pump with a quick clamping structure applied to the field of contrast equipment, through the setting of an automatic clamping unit, the external pipe can be automatically locked and connected with a clamping joint, through the setting of a plug detection unit, whether plug and pull of a medicine bottle is operated can be automatically detected, the central processing unit can automatically control exhaust, liquid filling and preparation and the like after the external pipe is connected, compared with the prior art, the dependence on manual operation is effectively reduced, the pipe connection accuracy is higher, and the probability that the pipe connection is not in place is reduced; in addition, under the setting of a liquid leakage monitor, the interface between the external pipe and the clamping joint can be monitored in real time, when liquid leakage occurs, the operation can be stopped in time, the situation that the injection amount of contrast liquid is lower than expected can be effectively avoided, meanwhile, medical staff can timely perform corresponding operation, and the safety hidden danger caused by liquid leakage is effectively reduced.

Description

A high-pressure injection pump with a quick-clamping structure Technical Field

[0001] This invention relates to a high-pressure injection pump, and more particularly to a high-pressure injection pump with a quick-clamping structure for use in imaging equipment. Background Technology

[0002] High-pressure injection pumps, as auxiliary equipment in radiological diagnostic and treatment systems, have gradually gained clinical application with the development of technologies such as X-rays, rapid film changers, image intensifiers, and artificial contrast agents. The basic function of a high-pressure injector is to rapidly and accurately inject a sufficient amount of high-concentration X-ray contrast agent into the examination site within a certain time frame, either percutaneously through a blood vessel or through existing body orifices, enabling diagnostic imaging and treatment of lesions.

[0003] In existing high-pressure infusion pumps, the connection is manually screwed on. After the connection is made, medical staff need to manually press the buttons on the control panel to complete the operation. Although the existing high-pressure infusion pumps used in hospitals are partially intelligently controlled, the above operation still relies on manual operation, which is prone to human error. Summary of the Invention

[0004] The technical problem that this invention aims to solve in light of the prior art is that the takeover and preparation processes still rely on manual labor, which is prone to human error.

[0005] To address the aforementioned problems, this invention provides a high-pressure injection pump with a quick-clamping structure. The pump body integrates a central processing unit (CPU). A display screen is rotatably connected to one end of the pump body and is signal-connected to the CPU. An automatic clamping unit is fixedly mounted on the other end of the pump body. The automatic clamping unit includes a housing, a back plate, and an L-shaped bracket fixedly connected to the end of the housing away from the pump body. The back plate is located near the pump body. A clamping platform is provided at the end of the housing away from the pump body. Three clamping devices are also fixedly connected to the outer end of the housing. The elastic reset assembly includes multiple insertion / removal detection units on the upper end of the injection pump body, a clamping plate fixedly connected to the middle of the outer shell, a clamping connector inserted at the center of the clamping plate, one end of the clamping connector passing through the back plate and connected to the inner pipe on the injection pump body, the other end of the clamping connector being connected to the outer pipe, and the end of the clamping connector extending outside the clamping plate. The clamping connector includes a conical tube and a locking head rotatably sleeved on the outer side of the end of the conical tube facing the L-shaped bracket. An annular groove is chiseled at the end of the conical tube away from the locking head. The locking head is rotatably connected to the clamping plate and is driven to rotate by an electric motor.

[0006] The elastic reset assembly includes a positioning seat fixedly connected to the housing and an elastic telescopic rod inserted into the positioning seat;

[0007] The chuck platform has a chuck groove, and the upper part of the L-shaped bracket away from the outer shell has a support groove. An air sensor is installed on the side wall of the support groove. A PCB sensor is installed on the outside of the clamping plate. The electric motor, air sensor and PCB sensor are all connected to the central processing unit. A signal switch is also electrically connected to the upper left corner of the outer shell. The signal switch is also connected to the central processing unit.

[0008] In the aforementioned high-pressure injection pump with a quick-clamping structure, the automatic clamping unit can automatically lock the external tubing to the clamping connector. Furthermore, the insertion / removal detection unit can automatically detect whether the vial has been inserted or removed. This allows the central processing unit to automatically control operations such as venting, filling, and preparation after the external tubing is connected. Compared to existing technologies, this effectively reduces reliance on manual labor, improves tubing accuracy, and lowers the probability of the tubing not being properly positioned.

[0009] As a further improvement of this application, the support slot, the chuck slot, and the clamping connector are coaxially arranged. The outer end of the back plate away from the outer shell is slidably connected to a slide plate, and the slide plate is drilled with a through hole. The through hole includes two interconnected circular holes and a horizontal hole. The inner diameter of the circular holes is larger than the maximum outer diameter of the clamping connector, and the distance between the upper and lower inner walls of the horizontal hole is smaller than the maximum outer diameter of the clamping connector and larger than the outer edge diameter of the annular groove.

[0010] As a further improvement of this application, the insertion and removal detection unit includes a positioning contact block fixed inside the top of the injection pump body, a U-shaped movable contact block located outside the injection pump body, and two insertion rods fixedly connected to one end of the U-shaped movable contact block facing the positioning contact block. The positioning contact block has two detection holes respectively corresponding to the two insertion rods. Two elastic pressure sensors are installed at the lower end of the positioning contact block. The upper ends of the elastic pressure sensors move through the detection holes and extend into the detection holes. The two insertion rods are respectively inserted into the two detection holes and abut against the elastic pressure sensors.

[0011] As a further improvement of this application, the upper end of the elastic pressure sensor is hemispherical, and the height of the elastic pressure sensor extending into the detection hole is no greater than the radius of the hemisphere.

[0012] As another improvement of this application, a leakage detector is installed at the lower end of the locking head extending outside the housing. The leakage detector includes a liquid collection shell that is snapped into the lower end of the locking head and an infrared rangefinder installed on the housing. The infrared rangefinder is connected to the central processing unit. A liquid collection hole communicating with the liquid collection shell is drilled at the lower end of the locking head. The liquid collection shell includes an expansion liquid plate that is snapped into the locking head and a liquid collection plate fixedly connected to the lower end of the middle of the expansion liquid plate. A monitoring tube is provided through the middle of the liquid collection plate. The monitoring tube is coaxially arranged with the infrared rangefinder.

[0013] As a further improvement to this application, the edge of the upper opening of the liquid collecting hole on the side away from the outer shell is vertical, and the edge of the upper opening of the liquid collecting hole on the side close to the outer shell is inclined, with the span of the inclined edge being 2-5 times the span of the vertical edge.

[0014] As a further improvement to this application, the monitoring tube includes two rigid tubes, a float tube fixedly connected between the two rigid tubes, and a cover located outside the float tube. The lower inner wall of the cover is fixedly connected to the outer ends of the two rigid tubes. A collar is sleeved in the middle of the float tube, and a connecting rope is fixedly connected to the upper end of the collar. The end of the connecting rope moves through the middle of the upper end of the cover and is fixedly connected to a light buoy.

[0015] As a further improvement to this application, both the buoy and the collar are made of lightweight plastic material, and the buoy has a hollow structure. When there is no leakage, the buoy is located at the bottom of the liquid-gathering plate, and the connecting rope is in a slack state. The inner wall of the cover does not contact the upper surface of the rigid tube, and the distance between the two is not less than the diameter of the rigid tube. When the connecting rope is stretched upward, the buoy is not higher than the upper end of the liquid-gathering plate.

[0016] As a further improvement to this application, the floating transformer includes an upper fixed layer and a lower transformer layer fixedly connected to the lower end of the upper fixed layer. Both ends of the lower transformer layer and the upper fixed layer are fixedly connected to the ends of two rigid tubes, and the connection between the lower transformer layer and the upper fixed layer is higher than the central axis of the rigid tube.

[0017] In summary, the automatic clamping unit automatically locks the external tubing to the clamping connector, and the insertion / removal detection unit automatically detects whether the vial has been inserted or removed. This allows the central processing unit to automatically control venting, filling, and preparation after the external tubing is connected. Compared to existing technologies, this effectively reduces reliance on manual labor, improves tubing accuracy, and lowers the probability of incorrect tubing placement. Furthermore, the leakage detector monitors the interface between the external tubing and the clamping connector in real time. If leakage occurs, it can be detected and the operation stopped immediately, effectively preventing the contrast fluid injection volume from falling below expectations. This also facilitates timely intervention by medical staff, effectively reducing safety hazards caused by leakage. Attached Figure Description

[0018] Figure 1 is a perspective view of the first embodiment of this application;

[0019] Figure 2 is a front view of the first embodiment of this application;

[0020] Figure 3 is a perspective view of the front of the automatic clamping unit according to the first embodiment of this application;

[0021] Figure 4 is a perspective view of the back of the automatic clamping unit according to the first embodiment of this application;

[0022] Figure 5 is a front view of the first embodiment of this application;

[0023] Figure 6 is a perspective view of the automatic clamping unit after removing the back plate in the first embodiment of this application;

[0024] Figure 7 is a cross-sectional view of the clamping connector and the outer pipe after normal connection according to the first embodiment of this application;

[0025] Figure 8 is a perspective view of the elastic reset component according to the first embodiment of this application;

[0026] Figure 9 is a side view of the leak detector according to the second embodiment of this application;

[0027] Figure 10 is a front view of the leak detector according to the second embodiment of this application;

[0028] Figure 11 is a perspective view of the monitoring tube according to the second embodiment of this application;

[0029] Figure 12 is a perspective view of the monitoring tube after the cover is removed according to the second embodiment of this application;

[0030] Figure 13 is a perspective view of the monitoring tube portion after leakage occurs according to the second embodiment of this application.

[0031] Explanation of the labels in the diagram:

[0032] 1. Injection pump body; 2. Display screen; 3. Automatic clamping unit; 31. Housing; 32. Back plate; 33. L-shaped bracket; 301. Slide plate; 4. Clamping connector; 41. Locking head; 42. Conical tube; 51. Clamping platform; 52. Positioning seat; 53. Elastic telescopic rod; 501. Clamping slot; 502. Support slot; 6. Signal switch; 7. Clamping plate; 81. U-shaped moving contact; 82. Positioning contact; 83. Insert rod; 801. Detection hole; 802. Elastic pressure sensor; 401. Liquid collection hole; 402. Expanding liquid plate; 403. Liquid collection plate; 9. Monitoring tube; 91. Rigid tube; 921. Lower variable layer; 922. Upper fixed layer; 93. Cover; 901. Connecting rope; 902. Light buoy; 903. Collar; 10. Infrared rangefinder. Detailed Implementation

[0033] The two embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0034] First implementation method:

[0035] Figure 1-2 shows a high-pressure injection pump with a quick-clamping structure, including an injection pump body 1 with a central processing unit integrated inside. One end of the injection pump body 1 is rotatably connected to a display screen 2, so that the angle of the display screen 2 can be adjusted according to actual needs, making it convenient for medical staff to view the content on the display screen 2. The display screen 2 is connected to the central processing unit via signal. An automatic clamping unit 3 is fixedly installed at the other end of the injection pump body 1.

[0036] As shown in Figures 3-4, the automatic clamping unit 3 includes a housing 31, a back plate 32, and an L-shaped bracket 33 fixedly connected to the end of the housing 31 away from the syringe pump body 1. The back plate 32 has wiring holes. Due to wiring for the electric motor, sensors, etc., the back plate 32 is located closer to the syringe pump body 1. A clamping platform 51 is provided at the end of the housing 31 away from the syringe pump body 1. Three elastic reset components are also fixedly connected to the outer end of the housing 31. Multiple insertion / removal detection units are provided at the upper end of the syringe pump body. The elastic reset components include a positioning seat 52 fixedly connected to the housing 31 and an elastic telescopic rod 53 inserted into the positioning seat 52. The elastic telescopic rod 53 moves sequentially through the positioning seat 52 and the housing 31, and abuts against the back plate 32. A clamping groove 501 is carved on the clamping platform 51. A support groove 502 is carved on the upper end of the L-shaped bracket 33 away from the housing 31. An air sensor is installed on the side wall of the support groove 502. The system detects whether there is air inside the external pipe. When an abnormality occurs in the external pipe, the signal can be fed back to the central processor in time, so that the pump body 1 can be stopped in time. This effectively avoids the situation where the injection pump body 1 continues to work when there is air inside the external pipe, thus improving safety. As shown in Figures 3 and 6, a clamping plate 7 is fixedly connected to the middle of the outer shell 31. A clamping connector 4 is inserted at the axis of the clamping plate 7. One end of the clamping connector 4 passes through the back plate 32 and is connected to the inner pipe on the injection pump body 1. The other end of the clamping connector 4 is connected to the external pipe. The end of the clamping connector 4 extends to the outside of the clamping plate 7, as shown in Figure 7. The clamping connector 4 includes a conical tube 42 and a locking head 41 that is rotatably sleeved on the outside of the end of the conical tube 42 facing the L-shaped bracket 33. An annular groove is cut at the end of the conical tube 42 away from the locking head 41. The annular groove is used to connect the inner tube. The locking head 41 is rotatably connected to the clamping plate 7 and is driven to rotate by an electric motor.

[0037] A PCB sensor is mounted on the outside of the clamping plate 7. The electric motor, air sensor, and PCB sensor are all connected to the central processing unit (CPU) for signal transmission. A signal switch 6 is also electrically connected to the upper left corner of the housing 31, and the signal switch 6 is also connected to the CPU for signal transmission. In use, the outer pipe is held in the support slot 502, and then the pipe end of the outer pipe is engaged in the clamping head slot 501. Then, the clamping head platform 51 is manually pushed towards the clamping plate 7 to bring the pipe end of the outer pipe closer to the clamping head 4. When the PCB sensor detects that the pipe end has reached the clamping head 4, it sends a signal back to the CPU. The central processing unit controls the electric motor to rotate the locking head 41, thereby locking the outer pipe head with the locking head 41 and completing the pipe connection operation. After the operation, when it is necessary to separate the outer pipe from the clamping connector 4, the signal switch 6 can be pressed directly, which feeds the signal back to the central processing unit. The central processing unit controls the electric motor to reverse, thereby driving the locking head 41 to rotate in the opposite direction, releasing the clamping lock. When the two are completely separated, under the elastic reset action of the elastic telescopic rod 53, the clamping platform 51 is pushed back to its original position, thereby driving the outer pipe from the clamping connector 4 to separate.

[0038] It is worth noting that, in order to ensure stable clamping of the outer pipe and the clamping connector 4, the pipe connector of the outer pipe needs to be adapted. First, the locking head 41 is provided with internal threads, and the outer pipe connector is also provided with matching threads. When the locking head 41 is driven to rotate, the two can be connected by threads, thereby achieving alarm locking. Second, in the prior art, the length of the outer pipe connector is about 20mm, while in this solution, since it needs to be matched and connected with the clamping connector 4, the length of the outer pipe connector is about 25mm.

[0039] In addition, the rotation of the locking head 41 is driven by an electric motor, which is a mature existing technology. For example, the locking head 41 is fixed with teeth, and the output shaft of the electric motor is fixed with a gear that matches the teeth, so the drive can be realized. Therefore, it will not be elaborated on here.

[0040] As shown in Figures 4 and 5, the tube holder groove 502, the clamping head groove 501, and the clamping connector 4 are coaxially arranged, so that the outer tube is in a straight line during the connection process with the clamping connector 4, and it is not easy to bend. This facilitates the accurate connection between the outer tube and the clamping connector 4. The back plate 32 is slidably connected to the outer end away from the outer shell 31 with a sliding plate 301. The sliding plate 301 is drilled with a through hole, which includes two interconnected circular holes and a horizontal hole. The inner diameter of the circular holes is larger than the maximum outer diameter of the clamping connector 4. The distance between the upper and lower inner walls of the horizontal hole is smaller than the maximum outer diameter of the clamping connector 4 and larger than the outer edge diameter of the annular groove. The sliding plate 301 can slide left and right. So when it is not connected to the injection pump body 1, the sliding plate 301 can slide so that the horizontal hole on it is aligned with the rear end of the clamping connector 4, so that the edge of the clamping connector 4 abuts against the sliding plate 301 and is limited. This prevents the clamping connector 4 from falling off the outer shell 31 due to force when the electric motor is rotating and clamping.

[0041] As shown in Figure 8, the insertion and removal detection unit includes a positioning contact 82 fixed inside the top of the injection pump body 1, a U-shaped movable contact 81 located outside the injection pump body 1, and two insertion rods 83 fixedly connected to one end of the U-shaped movable contact 81 facing the positioning contact 82. The positioning contact 82 has two detection holes 801 respectively corresponding to the two insertion rods 83. Two elastic pressure sensors 802 are installed at the lower end of the positioning contact 82. The upper end of the elastic pressure sensor 802 moves through the detection hole 801 and extends into the detection hole 801. The two insertion rods 83 are respectively inserted into the two detection holes 801 and abut against the elastic pressure sensor 802.

[0042] The insertion / removal detection unit is mainly used to detect whether the syringe pump body 1 has been inserted or removed. Whether the syringe is inserted from top to bottom or removed from bottom to top, it will cause the U-shaped moving contact block 81 to vibrate. This vibration will be transmitted to the insertion rod 83, which will cause the elastic pressure sensor 802 in contact with it to vibrate under force, causing its data to change. The two adjacent data corresponding to the insertion and removal of the syringe constitute a set of data. Based on whether there are two data changes on the elastic pressure sensor 802, the central processing unit can determine whether the syringe insertion / removal operation has been performed. After recognizing that the syringe insertion / removal operation has been completed, the central processing unit can control the automatic air venting and liquid filling operation of the connected external tube, which makes the automation level high and reduces the dependence on manual labor in the whole process.

[0043] The specific details regarding how to vent air and how to fill the liquid medicine are existing technologies and will not be elaborated upon here.

[0044] The upper end of the elastic pressure sensor 802 is hemispherical, and the height of the elastic pressure sensor 802 extending into the detection hole 801 is not greater than the radius of the hemisphere. When the insertion rod 83 is located in the detection hole 801, the upper end of the elastic pressure sensor 802 can avoid downwards, so that the insertion rod 83 and the elastic pressure sensor 802 abut against each other, so that the elastic pressure sensor 802 can stably generate force data.

[0045] In summary, in the high-pressure injection pump with the aforementioned quick-clamping structure, the automatic clamping unit 3 enables automatic locking and connection of the external tubing to the clamping connector 4. Furthermore, the insertion / removal detection unit automatically detects whether the vial has been inserted or removed. This allows the central processing unit to automatically control operations such as venting, filling, and preparation after the external tubing is connected. Compared to existing technologies, this effectively reduces reliance on manual labor, improves tubing accuracy, and lowers the probability of the tubing not being properly positioned.

[0046] Second implementation method:

[0047] This embodiment adds a leak detector to the first embodiment, while the rest remains the same as the first embodiment.

[0048] Figures 9-10 show that a leakage detector is installed at the lower end of the locking head 41 extending outside the housing 31. The leakage detector includes a liquid collection shell snapped onto the lower end of the locking head 41 and an infrared rangefinder 10 mounted on the housing 31. The infrared rangefinder 10 is connected to the central processing unit. A liquid collection hole 401 communicating with the liquid collection shell is drilled at the lower end of the locking head 41. The liquid collection shell includes an expansion liquid plate 402 snapped onto the locking head 41 and a liquid collection plate 403 fixedly connected to the lower middle part of the expansion liquid plate 402. A liquid collection plate 403 is provided through the middle of the liquid collection plate 403. The monitoring tube 9 is coaxially set with the infrared rangefinder 10. When there is no leakage, the laser beam emitted by the infrared rangefinder 10 can stably penetrate the monitoring tube 9 and be projected onto the L-shaped bracket 33, as shown in Figure 13. However, when leakage occurs, the middle part of the monitoring tube 9 will deform, so that the laser can only be projected onto the middle part of the monitoring tube 9. At this time, the distance data obtained is significantly shortened. After the central processing unit receives this signal, it can determine the possibility of leakage and control the injection pump body 1 to stop, which facilitates timely maintenance and adjustment by the staff and reduces safety hazards.

[0049] As shown in Figures 9-10, the edge of the upper opening of the liquid collection hole 401 on the side away from the outer shell 31 is vertical, while the edge of the upper opening of the liquid collection hole 401 on the side closer to the outer shell 31 is inclined. The span of the inclined edge is 2-5 times the span of the vertical edge, so that when leakage occurs, it can be smoothly guided into the liquid collection hole 401 and flow into the liquid collection shell for temporary storage. This allows the liquid to be used for leakage monitoring, and at the same time, the leaked liquid is less likely to drip down along the opening of the clamping connector 4, reducing the difficulty of subsequent cleaning.

[0050] As shown in Figure 11, the monitoring tube 9 includes two rigid tubes 91, a float transformer tube fixedly connected between the two rigid tubes 91, and a cover 93 located outside the float transformer tube. The lower inner wall of the cover 93 is fixedly connected to the outer ends of the two rigid tubes 91. The cover 93 can support the flexible lower transformer layer 921 and also restrict the direction of the connecting rope 901 after leakage, so that it can generate a vertical upward force on the collar 903, which facilitates the lower transformer layer 921 to be lifted and deformed. As shown in Figure 12, the middle of the float transformer tube is fitted with a collar 903. The float transformer tube includes an upper fixed layer 922 and a lower transformer layer 921 fixedly connected to the lower end of the upper fixed layer 922. Both ends of the lower transformer layer 921 and the upper fixed layer 922 are fixedly connected to the ends of the two rigid tubes 91, respectively. The connection between the lower variable layer 921 and the upper fixed layer 922 is higher than the central axis of the rigid tube 91. After the lower variable layer 921 deforms, it can block the laser beam of the infrared rangefinder 10. The upper end of the collar 903 is fixedly connected to the connecting rope 901. The end of the connecting rope 901 moves through the middle of the upper end of the cover 93 and is fixedly connected to the light float 902. When leakage occurs, the leaked liquid will eventually enter the liquid collection plate 403 along the liquid collection hole 401. As the liquid level rises, the light float 902 rises under the action of liquid buoyancy, and then gradually exerts an upward pulling force on the collar 903. As the liquid level rises higher and higher, the lower variable layer 921 is squeezed upward by the collar 903 and deforms upward, so that the laser beam emitted by the infrared rangefinder 10 cannot pass smoothly through the monitoring tube 9, thus achieving the effect of leakage monitoring.

[0051] Both the buoy 902 and the collar 903 are made of lightweight plastic material. The buoy 902 is hollow. When there is no leakage, the buoy 902 is located at the bottom of the liquid collection plate 403, and the connecting rope 901 is in a slack state. The inner wall of the cover 93 does not contact the upper surface of the rigid tube 91, and the distance between the two is not less than the diameter of the rigid tube 91. When the connecting rope 901 is stretched upward, the buoy 902 is not higher than the upper port of the liquid collection plate 403, so that leakage can be monitored in time. At the same time, the expansion plate 402 is an arc-shaped hollow structure, and its inner cavity volume is 2-5 times that of the liquid collection plate 403. After an anomaly, the central processing unit controls the injection pump body 1 to stop, and the staff has enough reaction and handling time to prevent the liquid from overflowing outside the clamping connector 4 before handling.

[0052] It is worth noting that the lower layer 921 is made of a lightweight, sealed, flexible material in a relaxed state, which allows it to deform upwards when subjected to force, while the buoyancy of the light buoy 902 is sufficient to cause it to deform.

[0053] Compared to the first implementation method, this implementation method, with the leakage detector, can monitor the interface between the external pipe and the clamping connector 4 in real time. When leakage occurs, it can be detected in time and the operation can be stopped, effectively avoiding the situation where the contrast fluid injection volume is lower than expected. At the same time, it facilitates medical staff to perform corresponding operations in a timely manner, effectively reducing the safety hazards caused by leakage.

[0054] In light of current practical needs, the above-described embodiments adopted in this application are not limited to these. Any changes made within the scope of knowledge possessed by those skilled in the art without departing from the concept of this application still fall within the protection scope of this invention.

Claims

1. A high-pressure injection pump with a quick-clamping structure, characterized in that: The syringe pump body (1) integrates a central processing unit. A display screen (2) is rotatably connected to one end of the syringe pump body (1), and the display screen (2) is signal-connected to the central processing unit. An automatic clamping unit (3) is fixedly installed at the other end of the syringe pump body (1). The automatic clamping unit (3) includes a housing (31) and a back plate (32) that are fixed to each other, and an L-shaped bracket (33) fixedly connected to the end of the housing (31) away from the syringe pump body (1). The back plate (32) is located on the side closer to the syringe pump body (1), and the housing (31) is away from the syringe pump body. (1) One end is provided with a clamping platform (51), and the outer end of the outer shell (31) is also fixedly connected with three elastic reset components. The upper end of the injection pump body (1) is provided with multiple insertion and removal detection units. The middle part of the outer shell (31) is fixedly connected with a clamping plate (7). A clamping connector (4) is inserted at the axis of the clamping plate (7). One end of the clamping connector (4) passes through the back plate (32) and is connected to the inner pipe on the injection pump body (1). The other end of the clamping connector (4) is connected to the outer pipe. The end of the clamping connector (4) extends to the outside of the clamping plate (7). (4) Includes a conical tube (42) and a locking head (41) rotatably sleeved on the outer side of the end of the conical tube (42) facing the L-shaped bracket (33). The end of the conical tube (42) away from the locking head (41) is chiseled with an annular groove. The locking head (41) is rotatably connected to the clamping plate (7). The locking head (41) is driven to rotate by an electric motor. The elastic reset assembly includes a positioning seat (52) fixedly connected to the outer shell (31) and an elastic telescopic rod (53) inserted into the positioning seat (52). The elastic telescopic rod (53) moves through the positioning seat (52) in sequence. 2) The outer shell (31) and the back plate (32) are in contact; the card slot (501) is chiseled on the card platform (51), the upper end of the L-shaped bracket (33) away from the outer shell (31) is chiseled with a support slot (502), the side wall of the support slot (502) is equipped with an air sensor, the outside of the clamping plate (7) is equipped with a PCB sensor, the electric motor, the air sensor and the PCB sensor are all connected to the central processing unit signal, the upper left corner of the outer shell (31) is also electrically connected to a signal switch (6), the signal switch (6) is also connected to the central processing unit signal.

2. A high-pressure injection pump with a quick-clamping structure according to claim 1, characterized in that: The mounting slot (502), the clamping slot (501), and the clamping connector (4) are coaxially arranged. The back plate (32) is slidably connected to the outer end away from the outer shell (31) with a sliding plate (301) and a through hole is drilled on the sliding plate (301).

3. A high-pressure injection pump with a quick-clamping structure according to claim 2, characterized in that: The through-hole includes two interconnected circular holes and a horizontal hole. The inner diameter of the circular holes is greater than the maximum outer diameter of the clamping connector (4). The distance between the upper and lower inner walls of the horizontal hole is less than the maximum outer diameter of the clamping connector (4) and greater than the outer edge diameter of the annular groove.

4. A high-pressure injection pump with a quick-clamping structure according to claim 1, characterized in that: The insertion and removal detection unit includes a positioning contact (82) fixed inside the top of the injection pump body (1), a U-shaped moving contact (81) located outside the injection pump body (1), and two insertion rods (83) fixedly connected to one end of the U-shaped moving contact (81) facing the positioning contact (82). The positioning contact (82) has two detection holes (801) respectively corresponding to the two insertion rods (83). Two elastic pressure sensors (802) are installed at the lower end of the positioning contact (82). The upper end of the elastic pressure sensor (802) moves through the detection hole (801) and extends into the detection hole (801). The two insertion rods (83) are respectively inserted into the two detection holes (801) and abut against the elastic pressure sensor (802).

5. A high-pressure injection pump with a quick-clamping structure according to claim 4, characterized in that: The upper end of the elastic pressure sensor (802) is hemispherical, and the height of the elastic pressure sensor (802) extending into the detection hole (801) is not greater than the radius of the hemisphere.

6. A high-pressure injection pump with a quick-clamping structure according to claim 1, characterized in that: A leak detector is installed at the lower end of the locking head (41) extending outside the outer shell (31). The leak detector includes a liquid collection shell that is snapped into the lower end of the locking head (41) and an infrared rangefinder (10) installed on the outer shell (31). The infrared rangefinder (10) is connected to the central processing unit. A liquid collection hole (401) communicating with the liquid collection shell is drilled at the lower end of the locking head (41). The liquid collection shell includes an expansion liquid plate (402) that is snapped into the locking head (41) and a liquid collection plate (403) that is fixedly connected to the lower end of the middle part of the expansion liquid plate (402). A monitoring tube (9) is provided through the middle of the liquid collection plate (403). The monitoring tube (9) is coaxially arranged with the infrared rangefinder (10).

7. A high-pressure injection pump with a quick-clamping structure according to claim 6, characterized in that: The upper opening of the liquid collection hole (401) on the side away from the outer shell (31) is vertical, and the upper opening of the liquid collection hole (401) on the side close to the outer shell (31) is inclined, with the span of the inclined edge being 2-5 times that of the vertical edge.

8. A high-pressure injection pump with a quick-clamping structure according to claim 7, characterized in that: The monitoring tube (9) includes two rigid tubes (91), a float tube fixedly connected between the two rigid tubes (91), and a cover (93) located outside the float tube. The lower inner wall of the cover (93) is fixedly connected to the outer ends of the two rigid tubes (91). A collar (903) is sleeved in the middle of the float tube. A connecting rope (901) is fixedly connected to the upper end of the collar (903). The end of the connecting rope (901) movably passes through the middle of the upper end of the cover (93) and is fixedly connected to a light buoy (902).

9. A high-pressure injection pump with a quick-clamping structure according to claim 8, characterized in that: Both the buoy (902) and the collar (903) are made of lightweight plastic material. The buoy (902) is hollow. When there is no leakage, the buoy (902) is located at the bottom of the liquid-gathering plate (403), and the connecting rope (901) is in a slack state. The inner wall of the cover (93) does not contact the upper surface of the rigid tube (91), and the distance between the two is not less than the diameter of the rigid tube (91). When the connecting rope (901) is stretched upward, the buoy (902) is not higher than the upper end of the liquid-gathering plate (403).

10. A high-pressure injection pump with a quick-clamping structure according to claim 9, characterized in that: The floating variable tube includes an upper fixed layer (922) and a lower variable layer (921) fixedly connected to the lower end of the upper fixed layer (922). Both ends of the lower variable layer (921) and the upper fixed layer (922) are fixedly connected to the ends of two rigid tubes (91), and the connection between the lower variable layer (921) and the upper fixed layer (922) is higher than the central axis of the rigid tube (91).

Images