CN212880449U - High-pressure syringe with negative pressure constant temperature structure - Google Patents

Abstract

The utility model discloses a high-pressure syringe with negative pressure constant temperature structure, including high-pressure syringe, inside negative pressure is installed at high-pressure syringe's top and carries out the negative pressure case that constant temperature heated to physiological saline and contrast medium, and the equipment box that is used for its inside negative pressure that forms is installed at negative pressure case's top, and the internally mounted of negative pressure case has the lift supporting mechanism that supports and heat bagged physiological saline, and the inside both sides of negative pressure case still all install the slip supporting mechanism that heats bottled contrast medium. The utility model discloses a sleeve support arm that lift supporting mechanism set up can be through the ware of plugging into regulation support height, hangs the support to the normal saline in bags, and convenient quick normal saline filling opening through injection tube and syringe communicates, utilizes the first infrared temperature sensor of first electric heating coil cooperation to carry out constant temperature heating to the normal saline in bags to show the temperature of the heating of normal saline in real time through the display.

Description

High-pressure syringe with negative pressure constant temperature structure

Technical Field

The utility model relates to the field of medical treatment, in particular to high-pressure syringe with negative pressure constant temperature structure.

Background

At present, a contrast agent and normal saline are needed for CT enhancement of a high-pressure injector, wherein the normal saline is generally in a normal-temperature state, and the contrast agent is heated by a separate constant temperature box;

the operation flow generally comprises the following three steps: 20ml of physiological saline is injected, then medical staff watch the blood vessel condition of a patient, if all normal conditions exist, 80-100ml of irradiation contrast agent is injected, and 20ml of physiological saline is injected.

However, in the above way, the following disadvantages are encountered in the practical application process:

(1) the operation of heating the contrast agent independently is inconvenient and has low efficiency;

(2) after the contrast agent is heated, the contrast agent is taken out and then is installed with a high-pressure injector, and the contrast agent is easily polluted because the contrast agent is directly exposed in the air;

(3) the normal saline is not heated, and a normal temperature state is adopted, so that a certain temperature difference is generated between the normal saline and the contrast medium during injection, and certain discomfort is caused to a patient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-pressure syringe with negative pressure constant temperature structure to solve traditional high-pressure syringe CT reinforcing operation in-process inefficiency that proposes in the above-mentioned background art, the contrast medium very easily causes the pollution and adopts the normal atmospheric temperature state, can produce certain difference in temperature with the contrast medium when leading to injecting, can cause certain uncomfortable problem to the patient.

In order to achieve the above object, the utility model provides a following technical scheme: a high-pressure injector with a negative-pressure constant-temperature structure comprises a high-pressure injector, wherein a negative pressure box which has internal negative pressure and is used for heating physiological saline and a contrast agent at constant temperature is arranged at the top of the high-pressure injector, and an equipment box which is used for forming negative pressure in the negative pressure box is arranged at the top of the negative pressure box;

wherein one side of negative pressure tank articulates there is the chamber door, and the surface mounting of chamber door has the observation window that carries out the incasement and observe, the inboard of chamber door and the just department of negative pressure tank are just installed the sealing strip, the outside of chamber door still installs the manual screw rod with negative pressure tank outside nut and threaded connection, the internally mounted of negative pressure tank has the lift supporting mechanism that supports and heat bagged physiological saline, and the inside both sides of negative pressure tank still all install the slip supporting mechanism that heats bottled contrast medium, the fixed uncapping mechanism of bottle that realizes bottled contrast medium uncapping and insert in the contrast medium injection nozzle is still installed to the bottom of slip supporting mechanism simultaneously.

As an optimal technical scheme of the utility model, the lift supporting mechanism include with the inside fixed telescopic brace arm of installing of negative pressure tank, telescopic brace arm's muffjoint department installs the ware of plugging into that is used for flexible regulation fixed, and the first electrical heating circle that is used for bagged normal saline to heat is installed to telescopic brace arm's top one side, and telescopic brace arm's top end department installs the couple that is used for hanging bagged normal saline and is used for bagged normal saline heating temperature real-time supervision's a infrared temperature sensor.

As a preferred technical scheme of the utility model, slip supporting mechanism include with the slide rail of the inboard fixed mounting of negative-pressure tank in the tank wall, the inside sliding connection of slide rail has L type support, the bottom one side of L type support install with contrast medium injection nozzle position just right second electric heating coil, the infrared temperature sensor of second that is used for bottled contrast medium heating temperature real-time supervision is installed at the top of L type support.

As a preferred technical scheme of the utility model, the fixed mechanism of uncapping of bottle includes the first electric telescopic handle with the vertical installation in L type support bottom, and the infundibulate bottle cover that is used for suit bottled contrast medium is installed to first electric telescopic handle's bottom, the both sides of infundibulate bottle cover still are provided with the second electric telescopic handle with L type support bottom fixed mounting, and the hoop fixed connection in the infundibulate bottle cover outside is all located with the cover to two second electric telescopic handle's flexible end, and the bottom equidistance fixed mounting of hoop has the elasticity claw piece of a plurality of arcs shape, the gliding spout that is used for elasticity claw piece direction is offered to the outer wall of infundibulate bottle cover, simultaneously the outside of infundibulate bottle cover is still fixed the cover and is equipped with the spacing collar that prevents that the elasticity claw piece.

As an optimal technical scheme of the utility model, the outside mid-mounting of equipment box has the flush mounting plate of switch that has the display, and fixed mounting has pumpdown and leak hunting pump respectively in the inside both sides of negative pressure tank, is provided with battery and the PLC of arranging the inside of equipment box in between pumpdown and the leak hunting pump, PLC's bottom is provided with the vacuum sensor who arranges the inside of negative pressure tank in, the inside of negative pressure tank is all arranged in to the pump-down end of pumpdown and leak hunting pump, the outside of equipment box is all arranged in to the exhaust end of pumpdown and leak hunting pump, and the leak hunting pump's exhaust end still installs the leak detector.

As an optimal technical scheme of the utility model, flush mounting plate's surface mounting has first electric heating ring switch, second electric heating ring switch, first electric telescopic handle switch, second electric telescopic handle switch, pre-pump switch and leak hunting pump switch, first electric heating ring and first electric heating ring switch electric connection, second electric heating ring and second electric heating ring switch electric connection, first electric telescopic handle and first electric telescopic handle switch electric connection, second electric telescopic handle and second electric telescopic handle switch electric connection, pre-pump and pre-pump switch electric connection, leak hunting pump and leak hunting pump switch electric connection, first infrared temperature sensor, second infrared temperature sensor, leak detector and vacuum sensor all pass through PLC and display electric connection, first electric heating ring switch, second electric heating ring switch, first electric telescopic handle switch, The second electric telescopic rod switch, the pre-pumping pump switch, the leakage detection pump switch, the PLC and the high-pressure injector are electrically connected with the external power supply, and the PLC is electrically connected with the first electric heating coil and the second electric heating coil.

Compared with the prior art, the utility model discloses following beneficial effect has:

1) the sleeve supporting arm arranged through the lifting supporting mechanism can adjust the supporting height through the connector to suspend and support the bagged normal saline, the bagged normal saline is conveniently and quickly communicated with a normal saline injection port of an injector through an injection pipe, the bagged normal saline can be heated at constant temperature by utilizing the first electric heating ring to be matched with the first infrared temperature sensor, and the heated temperature of the normal saline is displayed in real time through the display;

2) the height of a second electric heating ring for heating the bottled contrast medium can be quickly adjusted by sliding the L-shaped support of the sliding support mechanism and the sliding rail, so that the bottled contrast medium is uniformly heated, meanwhile, the complex operation of independently heating the contrast medium in the contrast process is reduced, the bottled contrast medium can be fixedly sleeved by the funnel-shaped bottle sleeve in the bottle body fixing and uncapping mechanism, the hoop ring is pressed downwards by using a second electric telescopic rod, the uncapping operation can be quickly carried out by the cooperation of the hoop ring and the elastic claw piece, the uncapped bottled contrast medium drives the funnel-shaped bottle sleeve and the bottled contrast medium to move downwards and be quickly inserted into a contrast medium injection nozzle of the injector through the first electric telescopic rod, the contrast medium can be automatically finished in a negative pressure box without contacting the contrast medium bottle body by hands, and the bottle mouth of the contrast medium is prevented from being polluted;

3) the pre-pump and the leak detection pump which are arranged inside the equipment box are matched with the leak detector to ensure that a stable negative pressure state is formed inside the negative pressure box, so that the physiological saline and the contrast agent which are exposed outside are prevented from causing pollution, and the safety of contrast is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic structural view of the bottle fixing and uncapping mechanism of the present invention.

In the figure: 1. a high pressure syringe; 2. a negative pressure tank; 21. a box door; 211. an observation window; 212. A sealing strip; 213. a manual screw; 22. a lifting support mechanism; 221. a sleeve support arm; 222. a connector; 223. a first electric heating coil; 224. a first infrared temperature sensor; 23. Bagging physiological saline; 24. a sliding support mechanism; 241. a slide rail; 242. an L-shaped bracket; 243. A second infrared temperature sensor; 244. a second electric heating coil; 25. bottling the contrast agent; 26. The bottle body is fixed with a cover-removing mechanism; 261. a first electric telescopic rod; 262. a funnel-shaped bottle sleeve; 2621. A hoop; 2622. an elastic claw piece; 2623. a limiting ring; 263. a second electric telescopic rod; 3. an equipment box; 31. a switch panel; 32. a leak detector; 33. a vacuum sensor; 34. a pre-pump; 35. a leak detection pump; 36. a storage battery; 37. and (7) PLC.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model provides a high-pressure injector with negative pressure constant temperature structure, including high-pressure injector 1, negative pressure case 2 that inside negative pressure and carry out the constant temperature heating to physiological saline and contrast medium is installed at the top of high-pressure injector 1, the equipment box 3 that is used for forming the negative pressure to its inside is installed at the top of negative pressure case 2, cover negative pressure case 2 in the outside of high-pressure injector 1, when guaranteeing not to influence high-pressure injector 1 normal use, make negative pressure case 2 evacuate under the effect of pre-pump 34 and leak hunting pump 35 in equipment box 3, form stable negative pressure state in negative pressure case 2;

wherein one side of the negative pressure box 2 is hinged with a box door 21, the surface of the box door 21 is provided with an observation window 211 for observing the inside of the box, the right position of the inner side of the box door 21 and the negative pressure box 2 is provided with a sealing strip 212, the outer side of the box door 21 is also provided with a manual screw 213 in threaded connection with a nut on the outer side of the negative pressure box 2, the box door 21 is closed, the sealing strip 212 on the inner side of the box door 21 is in close contact with the box opening of the negative pressure box 2 to ensure the sealing performance of the inside of the negative pressure box 2, the manual screw 213 matched with the nut of the negative pressure box 2 is manually screwed, the sealing performance of the box body is further improved, and after the box door 21 is closed, a;

the inside of the negative pressure box 2 is provided with a lifting support mechanism 22 for supporting and heating the bagged physiological saline 23, the two sides inside the negative pressure box are provided with a sliding support mechanism 24 for heating the bottled contrast medium 25, and the bottom of the sliding support mechanism 24 is provided with a bottle fixing and uncapping mechanism 26 for uncapping the bottled contrast medium 25 and inserting the bottled contrast medium into the contrast medium injection nozzle.

In this embodiment, the lifting support mechanism 22 includes a sleeve support arm 221 fixed with the inside of the negative pressure tank 2, a connector 222 fixed for telescopic adjustment is installed at the sleeve connection position of the sleeve support arm 221, a first electric heating coil 223 used for heating the bagged saline 23 is installed at one side of the top of the sleeve support arm 221, and a hook used for hanging the bagged saline 23 and a first infrared temperature sensor 224 used for monitoring the heating temperature of the bagged saline 23 in real time are installed at the top end of the sleeve support arm 221.

Specifically, when the radiography operation is required, the bagged physiological saline 23 is hung on the hook at the end of the sleeve supporting arm 221, the bagged physiological saline 23 is communicated with a physiological saline injection port of the injector by using an injection pipe, the connector 222 is loosened, the supporting height of the sleeve supporting arm 221 to the bagged physiological saline 23 is adjusted, the bagged physiological saline 23 is placed in the first electric heating ring 223, the physiological saline can be smoothly injected into the injector, the first electric heating ring 223 is electrified by operating the first electric heating ring switch on the switch panel 31, the bagged physiological saline 23 is uniformly heated, the heating temperature of the physiological saline is detected by the first infrared temperature sensor 224 in real time, the detected heating temperature is displayed by the display in real time, and meanwhile, the PLC37 performs temperature detection feedback through the first infrared temperature sensor 224, the PLC37 can control the first electric heating coil 223 to cooperate with the first infrared temperature sensor 224 to perform constant temperature heating on the saline solution by programming in advance, and the constant temperature heating temperature can be controlled at 37 ℃ close to the body temperature of human body, so as to ensure that the injector does not generate discomfort when injecting the saline solution and the contrast medium into the body.

In this embodiment, the sliding support mechanism 24 includes a sliding rail 241 fixedly mounted on the inner side of the negative pressure tank 2 and attached to the tank wall, an L-shaped bracket 242 is slidably connected to the inside of the sliding rail 241, a second electric heating coil 244 facing the contrast agent injection nozzle is mounted on one side of the bottom of the L-shaped bracket 242, and a second infrared temperature sensor 243 for monitoring the heating temperature of the bottled contrast agent 25 in real time is mounted on the top of the L-shaped bracket 242.

Specifically, after the bottled contrast medium 25 is placed in the funnel-shaped bottle sleeve 262 of the bottle fixing and decapping mechanism 26, the distance between the second electric heating ring 244 and the bottom of the negative pressure box 2 is adjusted by sliding the L-shaped bracket 242, so as to ensure that the fixed height of the second electric heating ring 244 in the negative pressure box 2 is proper, the second electric heating ring switch on the switch panel 31 is opened, the second electric heating ring 244 is controlled to heat the bottled contrast medium 25, the heating temperature of the contrast medium is detected in real time by the second infrared temperature sensor 243, the detected heating temperature is displayed in real time by the display, meanwhile, the PLC37 detects feedback through the temperature of the second infrared temperature sensor 243, the PLC37 can control the second electric heating ring 244 to be matched with the second infrared temperature sensor 243 to heat the contrast medium at constant temperature which can be controlled at 37 ℃ close to the body temperature of the human body through programming in advance, further ensuring that the physiological saline and the contrast agent are injected without causing discomfort to the human body.

In this embodiment, the bottle fixing and uncapping mechanism 26 includes the first electric telescopic handle 261 with the vertical installation in L type support 242 bottom, the funnel-shaped bottle cover 262 that is used for suit bottled contrast medium 25 is installed to the bottom of first electric telescopic handle 261, the both sides of funnel-shaped bottle cover 262 still are provided with the second electric telescopic handle 263 with L type support 242 bottom fixed mounting, the flexible end of two second electric telescopic handle 263 all locates the hoop 2621 fixed connection in the funnel-shaped bottle cover 262 outside with the cover, and the bottom equidistance fixed mounting of hoop 2621 has the elasticity claw 2622 of a plurality of arcs, the gliding spout that is used for elasticity claw 2622 direction is offered to the outer wall of funnel-shaped bottle cover 262, the fixed cover that still is equipped with in the outside of funnel-shaped bottle cover 262 simultaneously prevents that elasticity claw 2622 breaks away from the spacing collar 2623 of spout.

Specifically, at this time, the inside of the negative pressure tank 2 is in a negative pressure state, and when the cap of the bottled contrast medium 25 is removed, the two second electric telescopic rods 263 can be controlled by the second electric telescopic rod switch on the switch panel 31 to extend simultaneously, so that when the hoop 2621 slides downwards outside the funnel-shaped bottle sleeve 262, at the same time, the elastic claws 2622 at the bottom are driven to slide in the chutes on the outer wall of the funnel-shaped bottle sleeve 262, and one end of each of the plurality of elastic claw sheets 2622 which slide downwards gradually approaches and props against the cap opening of the bottle cap of the bottled contrast medium 25, and as the elastic claw sheets 2622 continuously move downwards, the elastic claw sheets 2622 can easily peel off the bottle cap of the bottled contrast medium 25, and during the process of sliding downwards of the elastic claw sheets 2622, the retainer 2623 can prevent the elastic claw 2622 from separating from the chute, and ensure that one end of the elastic claw 2622 can be gradually drawn in, then the elastic claw 2622 is reset by operating the second electric telescopic rod 263; when pegging graft bottled contrast agent 25 and contrast agent injection nozzle, through the first electric telescopic handle switch on controlling switch panel 31 for in first electric telescopic handle 261 drives infundibulate bottle cover 262, and the bottled contrast agent 25 after taking off the lid moves down, makes the rubber lid that passes bottled contrast agent 25 that contrast agent injection nozzle can be smooth and switch on the contrast agent.

It should be noted that: the heating and uncapping of the bottled contrast agent 25 and the communication with the contrast agent injection nozzle of the injector are all completed in the negative pressure box 2 in a negative pressure state, so that the pollution to the contrast agent is avoided.

In this embodiment, a switch panel 31 with a display is installed in the middle of the outer side of the equipment box 3, a pre-pump 34 and a leak detection pump 35 are respectively and fixedly installed on two sides of the inside of the negative pressure box 2, a storage battery 36 and a PLC37 which are arranged inside the equipment box 3 are arranged between the pre-pump 34 and the leak detection pump 35, a vacuum sensor 33 which is arranged inside the negative pressure box 2 is arranged at the bottom of the PLC37, the suction ends of the pre-pump 34 and the leak detection pump 35 are arranged inside the negative pressure box 2, the exhaust ends of the pre-pump 34 and the leak detection pump 35 are arranged outside the equipment box 3, and a leak detector 32 is further installed at the exhaust end of the leak detection pump 35.

Specifically, when needs are managed to find time and are formed the negative pressure to negative-pressure tank 2, through opening the pre-pump switch on the flush mounting plate of switch 31, utilize pre-pump 34 to carry out rough pumping to negative-pressure tank 2's inside, then close pre-pump 34 through pre-pump switch, through opening leak detection pump switch, utilize leak detection pump 35 to carry out the thin pump in negative-pressure tank 2, the leak detector 32 of setting can detect negative-pressure tank 2 and whether have the leakage, ensure to form stable negative pressure environment in negative-pressure tank 2, utilize vacuum sensor 33 can monitor the inside vacuum state of negative-pressure tank 2 in real time, and show the real-time display that passes through of monitoring data, the personnel of being convenient for in time know the negative pressure state in negative-pressure tank 2.

Further, the surface of the switch panel 31 is provided with a first electric heating ring switch, a second electric heating ring switch, a first electric telescopic rod switch, a second electric telescopic rod switch, a pre-pumping pump switch and a leakage detection pump switch, the first electric heating ring 223 is electrically connected with the first electric heating ring switch, the second electric heating ring 244 is electrically connected with the second electric heating ring switch, the first electric telescopic rod 261 is electrically connected with the first electric telescopic rod switch, the second electric telescopic rod 263 is electrically connected with the second electric telescopic rod switch, the pre-pumping pump 34 is electrically connected with the pre-pumping pump switch, the leakage detection pump 35 is electrically connected with the leakage detection pump switch, the first infrared temperature sensor 224, the second infrared temperature sensor 243, the leakage detector 32 and the vacuum sensor 33 are electrically connected with the display through the PLC37, and the first electric heating ring switch, the second electric heating ring switch, the first electric telescopic rod switch, Second electric telescopic handle switch, pumpdown switch in advance, leak hunting pump switch, PLC37 and high pressure syringe 1 all with external power supply electric connection, and PLC37 and first electric heating coil 223 and second electric heating coil 244 electric connection, personnel can be through controlling the switch on the switch panel 31, and the personnel of being convenient for are to the use of this syringe to realize the constant temperature injection of normal saline and contrast medium.

Specifically, after the physiological saline and the contrast agent are communicated with the injector, medical personnel can quickly and conveniently realize the injection of the contrast agent and the injector by controlling the high-pressure injector 1.

Finally, it should be added that: the bagged physiological saline 23 is not limited to a bagged physiological saline, and can be a common bottled physiological saline.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The high-pressure injector with the negative-pressure constant-temperature structure comprises a high-pressure injector (1) and is characterized in that a negative pressure box (2) which is internally negative and used for heating physiological saline and contrast medium at constant temperature is mounted at the top of the high-pressure injector (1), and an equipment box (3) which is used for forming negative pressure in the negative pressure box is mounted at the top of the negative pressure box (2);

wherein one side of negative pressure box (2) articulates there is chamber door (21), and the surface mounting of chamber door (21) carries out observation window (211) of incasement observation, sealing strip (212) are installed to the just department of inboard and negative pressure box (2) of chamber door (21), manual screw rod (213) with negative pressure box (2) outside nut threaded connection are still installed to the outside of chamber door (21), the internally mounted of negative pressure box (2) has lift supporting mechanism (22) that supports and heat bagging-off normal saline (23), and the inside both sides of negative pressure box still all install the slip supporting mechanism (24) that heat bottled contrast medium (25), the fixed uncapping mechanism (26) of bottle that realizes bottled contrast medium (25) uncapping and insert in the contrast medium injection nozzle is still installed to the bottom of slip supporting mechanism (24) simultaneously.

2. The high-pressure injector with the negative-pressure constant-temperature structure as claimed in claim 1, wherein: lifting support mechanism (22) include with inside sleeve support arm (221) of installing fixedly of negative pressure tank (2), the muffjoint department of sleeve support arm (221) installs and is used for flexible fixed connector (222) of adjusting, the first electric heating circle (223) that are used for bagging with normal saline (23) to carry out the heating are installed to top one side of sleeve support arm (221), the top end department of sleeve support arm (221) installs the couple that is used for hanging bagging with normal saline (23) and is used for the first infrared temperature sensor (224) of bagging with normal saline (23) heating temperature real-time supervision.

3. The high-pressure injector with the negative-pressure constant-temperature structure as claimed in claim 2, wherein: slide supporting mechanism (24) including with negative pressure tank (2) inboard fixed mounting laminate in slide rail (241) of tank wall, the inside sliding connection of slide rail (241) has L type support (242), the bottom one side of L type support (242) is installed and is just right second electric heating coil (244) with contrast medium injection nozzle position, the top of L type support (242) is installed and is used for bottled contrast medium (25) heating temperature real-time supervision's second infrared temperature sensor (243).

4. The high-pressure injector with negative-pressure constant-temperature structure as claimed in claim 3, wherein: the bottle body fixing and uncapping mechanism (26) comprises a first electric telescopic rod (261) vertically installed at the bottom of the L-shaped support (242), a funnel-shaped bottle sleeve (262) used for sleeving the bottled contrast medium (25) is installed at the bottom of the first electric telescopic rod (261), two sides of the funnel-shaped bottle sleeve (262) are also provided with second electric telescopic rods (263) fixedly arranged at the bottom of the L-shaped bracket (242), the telescopic ends of the two second electric telescopic rods (263) are fixedly connected with a hoop (2621) sleeved outside the funnel-shaped bottle sleeve (262), and a plurality of arc-shaped elastic claw sheets (2622) are fixedly arranged at the bottom of the hoop (2621) at equal intervals, the outer wall of the funnel-shaped bottle sleeve (262) is provided with a sliding groove for guiding and sliding the elastic claw piece (2622), meanwhile, a limiting ring (2623) for preventing the elastic claw piece (2622) from separating from the chute is fixedly sleeved outside the funnel-shaped bottle sleeve (262).

5. The high-pressure injector with negative-pressure constant-temperature structure as claimed in claim 4, wherein: the outside mid-mounting of equipment box (3) has flush mounting plate of switch (31) that has the display, and the inside both sides of negative pressure case (2) are fixed mounting respectively have in advance pump (34) and leak hunting pump (35), are provided with between pump (34) and leak hunting pump (35) and arrange in inside battery (36) and PLC (37) of equipment box (3), the bottom of PLC (37) is provided with places in inside vacuum sensor (33) of negative pressure case (2), the inside of negative pressure case (2) is all arranged in to the pump-off end of pump (34) and leak hunting pump (35) in advance, the outside of equipment box (3) is all arranged in to the exhaust end of pump (34) and leak hunting pump (35), and leak hunting appearance (32) are still installed to the exhaust end of leak hunting pump (35).

6. The high-pressure injector with negative-pressure constant-temperature structure as claimed in claim 5, wherein: the surface mounting of flush mounting plate of switch (31) has first electric heating coil switch, second electric heating coil switch, first electric telescopic handle switch, second electric telescopic handle switch, pumpingh pump switch and leak hunting pump switch in advance, first electric heating coil (223) and first electric heating coil switch electric connection, second electric heating coil (244) and second electric heating coil switch electric connection, first electric telescopic handle (261) and first electric telescopic handle switch electric connection, second electric telescopic handle (263) and second electric telescopic handle switch electric connection, pumpingh pump (34) and pumpingh pump switch electric connection in advance, leak hunting pump (35) and leak hunting pump switch electric connection, first infrared temperature sensor (224), second infrared temperature sensor (243), leak hunting appearance (32) and vacuum sensor (33) all through PLC (37) and display electric connection, first electric heating coil switch, second electric heating coil switch, Second electric heating coil switch, first electric telescopic handle switch, second electric telescopic handle switch, pumpdown switch, leak hunting pump switch, PLC (37) and high-pressure syringe (1) all with external power supply electric connection, and PLC (37) and first electric heating coil (223) and second electric heating coil (244) electric connection.

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