Temperature control device of needleless injector

Abstract

The utility model relates to the technical field of needleless injectors, and aims to provide a temperature control device of a needleless injector, which comprises a temperature control box, a mounting plate is fixed on the inner wall of the temperature control box through bolts, a balancing weight is arranged at the bottom of the temperature control box, a buffer cavity is arranged at the bottom of the temperature control box, and a buffer plate is slidably connected in the buffer cavity. A damping rod is arranged on the outer wall of the top of the buffer plate, the top end of the damping rod is fixed to the outer wall of the bottom of the buffer plate, a rubber buffer ball is placed in a gap, located below the buffer plate, of the buffer cavity, and buffer springs are arranged on the inner wall of the bottom of the temperature control box and the inner wall of the top of the buffer cavity. The beneficial effects of the utility model lie in that when the temperature control box falls to the ground, the bottom surface of the temperature control box is firstly contacted with the ground through the balancing weight, and the elastic force of the rubber buffer ball and the buffer spring can buffer the vibration force generated at the falling moment of the temperature control box, so that devices in the temperature control box can be protected, and the devices are prevented from being broken.

Description

Technical Field

[0001] The utility model relates to the technical field of needle-free syringes, in particular to a temperature control device for needle-free syringes. Background Art

[0002] The needle-free syringe uses the principle of pressure jet to complete subcutaneous injection of medicine. That is, the pressure generated by the pressure device inside the needle-free syringe further pushes the drug liquid in the medicine tube through the micropores to form an extremely fine drug liquid column, so that the drug liquid can instantly penetrate the human epidermis and reach the subcutaneous tissue. The drug liquid is absorbed in a diffuse state with a diameter of 3-5 cm under the skin.

[0003] For example, a smart temperature-controlled medicine box with announcement number CN10529277U and announcement date 2018.01.19, the cover of which is located on the side of the smart temperature-controlled medicine box, wherein the smart temperature-controlled medicine box includes: a temperature control device, used to control the storage temperature of the temperature-controlled box; a storage component, connected to the temperature control device, used to store medicines or a carrier containing medicines, and the carrier is placed parallel to the length extension direction of the temperature control device; an intelligent control panel, respectively connected to the storage component and the temperature control device, used to control the working status of the storage component and the temperature control device.

[0004] In the above and prior art, since the temperature control device can be carried around, when the temperature control device is accidentally dropped, the internal components are easily broken. Therefore, it is urgent to design a temperature control device for a needle-free syringe to solve the above problems. Utility Model Content

[0005] In view of this, an object of the present invention is to provide a temperature control device for a needle-free syringe with a protective function.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] A temperature control device for a needle-free syringe comprises a temperature control box, a mounting plate is fixed to the inner wall of the temperature control box by bolts, a counterweight is arranged at the bottom of the temperature control box, a buffer cavity is opened at the bottom of the temperature control box, a buffer plate is slidably connected to the inside of the buffer cavity, a damping rod is arranged on the outer wall of the top of the buffer plate, the top of the damping rod is fixed to the outer wall of the bottom of the buffer plate, a rubber buffer ball is placed in the gap of the buffer cavity below the buffer plate, and buffer springs are arranged on the inner wall of the bottom of the temperature control box and the inner wall of the top of the buffer cavity, one end of one of the buffer springs is connected to the damping rod, and the other buffer spring is connected to the buffer plate.

[0008] The key concept of the above technical solution is that the counterweight block can make the bottom surface of the temperature control box contact the ground first when the temperature control box falls to the ground. The elastic force of the rubber buffer ball and the buffer spring can buffer the shock force generated when the temperature control box falls, thereby protecting the internal components of the temperature control box and preventing the components from being damaged.

[0009] Furthermore, a push block is slidably connected to the inside of the temperature control chamber, and a guide rod is provided on the inner wall of the temperature control chamber. The push block is slidably sleeved on the outside of the guide rod. A push spring connected to the push block is provided on the inner wall of the temperature control chamber, and the push spring is sleeved on the outside of the guide rod.

[0010] Furthermore, a temperature control chamber is provided inside the temperature control box, and semiconductor refrigeration plates and heating plates are provided on the outer walls on both sides of the temperature control chamber respectively, a heat sink is provided on the other side of the semiconductor refrigeration plate away from the temperature control chamber, and a dustproof net is provided on the outer wall of the temperature control box close to the heat sink.

[0011] Furthermore, a temperature sensor is provided on the inner wall of the temperature control chamber, a display screen is provided on the top of the temperature control box, and a processor and a battery are respectively provided on the outer wall of the top of the mounting plate, the semiconductor refrigeration sheet, heating plate, temperature sensor and battery are all connected to the processor via wires, and the semiconductor refrigeration sheet, heating plate, temperature sensor and display screen are all connected to the battery via wires.

[0012] Furthermore, a heat insulation board is provided on the top outer wall of the mounting plate and the inner wall of the temperature control box, and the heat insulation board is located outside the temperature control chamber.

[0013] Furthermore, a blocking cover is movably connected to the outer wall of one side of the temperature control box via a hinge, and a fixing box is integrally connected to the outer wall of one side of the blocking cover, and an insert block is slidably connected to the interior of the fixing box, and the insert block extends to the outside of the fixing box.

[0014] Furthermore, a socket is provided on the outer wall of one side of the temperature control box, and the plug block is plugged into the inside of the socket, and a plug spring connected to the plug block is provided on the inner wall of the fixed box.

[0015] The beneficial effects of the utility model are as follows: (1) by providing a counterweight block, a buffer chamber, a buffer plate, a rubber buffer ball, a damping rod, a buffer spring and a mounting plate, the counterweight block can make the bottom surface of the temperature control box contact the ground first when the temperature control box falls to the ground, and the elastic force of the rubber buffer ball and the buffer spring can buffer the shock force generated at the moment of the temperature control box falling, thereby protecting the internal components of the temperature control box and preventing the components from being damaged; (2) by providing a temperature control chamber, a push block, a guide rod and a push spring, when the baffle cover is opened, the elastic force of the push spring will push the push block and the needle-free syringe inserted in the temperature control chamber to the outside of the temperature control box, thereby realizing the function of facilitating the removal of the needle-free syringe from the inside of the temperature control box; (3) The semiconductor cooling sheet, heat sink, dust screen, temperature sensor, heating plate, processor and battery are provided. The temperature sensor can monitor the temperature inside the temperature control room at any time. The semiconductor cooling sheet can cool the temperature control room. The heat sink can dissipate the heat of the hot end of the semiconductor cooling sheet to the outside of the temperature control box. The heating plate can heat the inside of the temperature control room, and can provide a suitable temperature for the medicine inside the needle-free syringe placed inside the temperature control room to avoid drug failure. (4) Through the provision of a blocking cover, a fixing box, a socket, a plug-in block and a plug-in spring, after the blocking cover is closed, the elastic force of the plug-in spring will push the plug-in block to move and plug into the inside of the socket, which can fix the blocking cover and prevent the needle-free syringe from slipping out of the temperature control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 Shown is a three-dimensional structural schematic diagram of a temperature control device for a needle-free syringe in a specific embodiment of the utility model.

[0017] Figure 2 Shown is a schematic diagram of the internal top view structure of a temperature control device for a needle-free syringe in a specific embodiment of the utility model.

[0018] Figure 3 Shown is a schematic diagram of the internal side structure of a temperature control device for a needle-free syringe in a specific embodiment of the utility model.

[0019] Figure 4 Shown is a schematic diagram of the anti-fall structure of a temperature control device for a needle-free syringe in a specific embodiment of the utility model.

[0020] Figure 5 Shown is a schematic diagram of a blocking cover structure of a temperature control device for a needle-free syringe in a specific implementation manner of the utility model.

[0021] Description of Figure Numbers:

[0022] 1. Temperature control box; 2. Counterweight; 3. Buffer chamber; 4. Buffer plate; 5. Rubber buffer ball; 6. Damping rod; 7. Buffer spring; 8. Mounting plate; 9. Temperature control chamber; 10. Push block; 11. Guide rod; 12. Push spring; 13. Semiconductor refrigeration sheet; 14. Heat sink; 15. Dust net; 16. Temperature sensor; 17. Heating plate; 18. Processor; 19. Battery; 20. Cover; 21. Fixing box; 22. Socket; 23. Plug block; 24. Plug spring; 25. Heat insulation board; 26. Display screen. DETAILED DESCRIPTION

[0023] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments:

[0024] like Figure 1-Figure 5 As shown, the temperature control device of a needle-free syringe provided by the utility model comprises a temperature control box 1, a mounting plate 8 is fixed to the inner wall of the temperature control box 1 by bolts, a counterweight block 2 is arranged at the bottom of the temperature control box 1, a buffer cavity 3 is opened at the bottom of the temperature control box 1, and a buffer plate 4 is slidably connected to the inside of the buffer cavity 3, and a damping rod 6 is arranged on the outer wall of the top of the buffer plate 4, and the top end of the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, a rubber buffer ball 5 is placed in the gap below the buffer plate 4 in the buffer cavity 3, and the inner wall of the bottom of the temperature control box 1 is provided with a damping rod 6, and the top end of the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the rubber buffer ball 5 is placed in the gap below the buffer plate 4 in the buffer cavity 3, and the inner wall of the bottom of the temperature control box 1 is provided with a damping rod 6, and ... damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, and the damping rod 6 is fixed to the outer wall of the bottom of the buffer Buffer springs 7 are arranged on the wall and the inner wall at the top of the buffer chamber 3, one end of one buffer spring 7 is connected to the damping rod 6, and the other buffer spring 7 is connected to the buffer plate 4. When the temperature control box 1 falls accidentally, the counterweight 2 can make the bottom surface of the temperature control box 1 contact the ground first when the temperature control box 1 falls to the ground. The elastic force of the rubber buffer ball 5 and the buffer spring 7 can buffer the shock force generated at the moment of the temperature control box 1 falling, thereby protecting the internal components of the temperature control box 1, preventing the components from being damaged, and making the temperature control box 1 more durable.

[0025] From the above description, it can be seen that the utility model has the following beneficial effects: the counterweight block 2 can make the bottom surface of the temperature control box 1 contact the ground first when the temperature control box 1 falls to the ground, and the elastic force of the rubber buffer ball 5 and the buffer spring 7 can buffer the shock force generated when the temperature control box 1 falls at the moment, thereby protecting the internal components of the temperature control box 1 and preventing the components from being damaged.

[0026] Furthermore, a push block 10 is slidably connected to the inside of the temperature control chamber 9, and a guide rod 11 is provided on the inner wall of the temperature control chamber 9. The push block 10 is slidably sleeved on the outside of the guide rod 11. A push spring 12 connected to the push block 10 is provided on the inner wall of the temperature control chamber 9, and the push spring 12 is sleeved on the outside of the guide rod 11. The guide rod 11 can guide the push block 10.

[0027] Furthermore, a temperature control chamber 9 is provided inside the temperature control box 1, and semiconductor refrigeration plates 13 and heating plates 17 are respectively provided on the outer walls on both sides of the temperature control chamber 9, a heat sink 14 is provided on the other side of the semiconductor refrigeration plate 13 away from the temperature control chamber 9, and a dustproof net 15 is provided on the outer wall of the temperature control box 1 close to the heat sink 14. The heat sink 14 can dissipate the heat of the hot end of the semiconductor refrigeration plate 13 to the outside of the temperature control box 1 through the dustproof net 15, and the dustproof net 15 can prevent dust from falling on the heat sink 14 and affecting heat dissipation.

[0028] Furthermore, a temperature sensor 16 is provided on the inner wall of the temperature control chamber 9, a display screen 26 is provided on the top of the temperature control box 1, and a processor 18 and a battery 19 are respectively provided on the outer wall of the top of the mounting plate 8, the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the battery 19 are all connected to the processor 18 through wires, and the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the display screen 26 are all connected to the battery 19 through wires, and the battery 19 can supply power to the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the display screen 26.

[0029] Furthermore, a heat insulation board 25 is provided on the top outer wall of the mounting plate 8 and the inner wall of the temperature control box 1 , and the heat insulation board 25 is located outside the temperature control chamber 9 . The heat insulation board 25 can prevent the heat released by the heating plate 17 from affecting the processor 18 and the battery 19 .

[0030] Furthermore, a baffle 20 is movably connected to the outer wall of one side of the temperature control box 1 through a hinge, and a fixing box 21 is integrally connected to the outer wall of one side of the baffle 20. An insert block 23 is slidably connected to the inside of the fixing box 21, and the insert block 23 extends to the outside of the fixing box 21 to fix the baffle 20.

[0031] Furthermore, a socket 22 is provided on the outer wall of one side of the temperature control box 1, and the plug block 23 is plugged into the inside of the socket 22, and a plug spring 24 connected to the plug block 23 is provided on the inner wall of the fixed box 21, and the elastic force of the plug spring 24 can push the plug block 23 to be plugged into the inside of the socket 22.

[0032] When the blocking cover 20 is opened as described above, the elastic force of the pushing spring 12 will push the pushing block 10 and the needle-free syringe inserted in the temperature control chamber 9 to the outside of the temperature control box 1, thereby realizing the function of facilitating the removal of the needle-free syringe from the temperature control box 1; the temperature sensor 16 can monitor the temperature inside the temperature control chamber 9 at any time, the semiconductor refrigeration sheet 13 can cool the temperature control chamber 9, the heat sink 14 can dissipate the heat of the hot end of the semiconductor refrigeration sheet 13 to the outside of the temperature control box 1, and the heating plate 17 can heat the inside of the temperature control chamber 9, and can provide a suitable temperature for the medicine inside the needle-free syringe placed in the temperature control chamber 9 to avoid the ineffectiveness of the medicine; after closing the blocking cover 20, the elastic force of the plug-in spring 24 will push the plug-in block 23 to move and be plugged into the inside of the socket 22, so as to fix the blocking cover 20 and prevent the needle-free syringe from slipping out of the temperature control box 1.

[0033] Several preferred embodiments or application examples are listed below to help those skilled in the art better understand the technical content of the utility model and the technical contribution made by the utility model relative to the prior art: Example 1

[0034] The utility model provides a temperature control device for a needle-free syringe, comprising a temperature control box 1, a mounting plate 8 is fixed to the inner wall of the temperature control box 1 by bolts, a counterweight block 2 is arranged at the bottom of the temperature control box 1, a buffer cavity 3 is opened at the bottom of the temperature control box 1, and a buffer plate 4 is slidably connected to the inside of the buffer cavity 3, and a damping rod 6 is arranged on the outer wall of the top of the buffer plate 4, and the top end of the damping rod 6 is fixed to the outer wall of the bottom of the buffer plate 4, a rubber buffer ball 5 is placed in the gap below the buffer plate 4 in the buffer cavity 3, and a damping rod 6 is arranged on the inner wall of the bottom of the temperature control box 1. Buffer springs 7 are provided on the inner wall of the top of the buffer cavity 3, one end of which is connected to the damping rod 6, and the other is connected to the buffer plate 4. When the temperature control box 1 falls accidentally, the counterweight 2 can make the bottom of the temperature control box 1 contact the ground first when the temperature control box 1 falls to the ground. The elastic force of the rubber buffer ball 5 and the buffer spring 7 can buffer the shock force generated when the temperature control box 1 falls, thereby protecting the internal components of the temperature control box 1, preventing the components from being damaged, and making the temperature control box 1 more durable.

[0035] Among them, the temperature control chamber 9 is slidably connected to a push block 10, and a guide rod 11 is provided on the inner wall of the temperature control chamber 9, the push block 10 is slidably sleeved on the outside of the guide rod 11, and a push spring 12 connected to the push block 10 is provided on the inner wall of the temperature control chamber 9, and the push spring 12 is sleeved on the outside of the guide rod 11, and the guide rod 11 can guide the push block 10; the temperature control box 1 is provided with a temperature control chamber 9 inside, and semiconductor cooling sheets 13 and heating plates 17 are respectively provided on the outer walls on both sides of the temperature control chamber 9, and the semiconductor cooling sheet 13 is away from the other side of the temperature control chamber 9. A heat sink 14 is provided on one side, and a dustproof net 15 is provided on the outer wall of the temperature control box 1 near the heat sink 14. The heat sink 14 can dissipate the heat of the hot end of the semiconductor cooling plate 13 to the outside of the temperature control box 1 through the dustproof net 15. The dustproof net 15 can prevent dust from falling on the heat sink 14 and affecting heat dissipation; a temperature sensor 16 is provided on the inner wall of the temperature control chamber 9, a display screen 26 is provided on the top of the temperature control box 1, and a processor 18 and a battery 19 are respectively provided on the outer wall of the top of the mounting plate 8. The semiconductor cooling plate 13, the heating plate 17, and the temperature sensor 16 and the battery 19 are all connected to the processor 18 through wires, and the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the display screen 26 are all connected to the battery 19 through wires, and the battery 19 can supply power to the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the display screen 26; a heat insulation board 25 is arranged on the top outer wall of the mounting plate 8 and the inner wall of the temperature control box 1, and the heat insulation board 25 is located outside the temperature control chamber 9, and the heat insulation board 25 can prevent the heat released by the heating plate 17 from affecting the processor 18 and the battery 19; the temperature A blocking cover 20 is movably connected to the outer wall of one side of the control box 1 through a hinge, and a fixing box 21 is integrally connected to the outer wall of one side of the blocking cover 20, and an insert block 23 is slidably connected to the inside of the fixing box 21, and the insert block 23 extends to the outside of the fixing box 21, so as to fix the blocking cover 20; a socket 22 is provided on the outer wall of one side of the temperature control box 1, and the insert block 23 is plugged into the inside of the socket 22, and a plug spring 24 connected to the plug block 23 is provided on the inner wall of the fixing box 21, and the elastic force of the plug spring 24 can push the plug block 23 to be plugged into the inside of the socket 22.

[0036] A temperature control device for a needle-free syringe, wherein the counterweight 2 can make the bottom surface of the temperature control box 1 contact the ground first when the temperature control box 1 falls to the ground, and the elastic force of the rubber buffer ball 5 and the buffer spring 7 can buffer the shock force generated when the temperature control box 1 falls, thereby protecting the internal components of the temperature control box 1 and preventing the components from being damaged; when the blocking cover 20 is opened, the elastic force of the push spring 12 will push the push block 10 and the needle-free syringe inserted in the temperature control chamber 9 to the outside of the temperature control box 1, thereby realizing the function of facilitating the removal of the needle-free syringe from the temperature control box 1; the temperature sensor 16 The temperature inside the temperature control chamber 9 can be monitored at any time, the semiconductor refrigeration sheet 13 can cool the temperature control chamber 9, the heat sink 14 can dissipate the heat of the hot end of the semiconductor refrigeration sheet 13 to the outside of the temperature control box 1, and the heating plate 17 can heat the inside of the temperature control chamber 9, and can provide a suitable temperature for the medicine inside the needle-free syringe placed in the temperature control chamber 9 to avoid drug failure; after closing the baffle 20, the elastic force of the plug-in spring 24 will push the plug-in block 23 to move and be plugged into the inside of the socket 22, so as to fix the baffle 20 and prevent the needle-free syringe from slipping out of the temperature control box 1.

[0037] The working principle of the utility model is as follows: insert the needle-free syringe into the temperature control chamber 9, close the baffle 20, and the elastic force of the plug-in spring 24 will push the plug-in block 23 to move and plug into the inside of the socket 22, so as to fix the baffle 20 and prevent the needle-free syringe from slipping out of the temperature control box 1. The temperature sensor 16 monitors the temperature inside the temperature control chamber 9 in real time. When the temperature is lower than the suitable temperature of the medicine inside the needle-free syringe, the temperature sensor 16 transmits its information to the processor 18, and the processor 18 turns on the heating plate 17 to heat the inside of the temperature control chamber 9 until it is heated to the required temperature, and stops heating. When the temperature inside the temperature control chamber 9 is higher than the suitable temperature of the medicine inside the needle-free syringe, the temperature sensor 16 transmits its information to the processor 18, and the processor 18 turns on the semiconductor refrigeration film 13 to cool the inside of the temperature control chamber 9 until it is cooled to the suitable temperature of the medicine. The heat sink 14 transfers the heat from the hot end of the semiconductor refrigeration film 13 through the dustproof The net 15 spreads out to the outside of the temperature control box 1, and the battery 19 is used to power the processor 18, the semiconductor refrigeration sheet 13, the heating plate 17, the temperature sensor 16 and the display screen 26. The display screen 26 is used to display the temperature inside the temperature control chamber 9. When the temperature control box 1 accidentally falls, the counterweight 2 can make the bottom surface of the temperature control box 1 contact the ground first when the temperature control box 1 falls to the ground. The elastic force of the rubber buffer ball 5 and the buffer spring 7 can buffer the shock force generated at the moment of the temperature control box 1 falling, and then can protect the internal components of the temperature control box 1 to prevent the components from being damaged. When it is necessary to take out the needle-free syringe inside the temperature control chamber 9, the push block 23 is moved out from the inside of the socket 22, and the cover 20 is flipped. At the moment the cover 20 is opened, the elastic force of the push spring 12 will push the push block 10 and the needle-free syringe inserted in the temperature control chamber 9 to the outside of the temperature control box 1, which is convenient for taking out the needle-free syringe from the inside of the temperature control box 1, and it is very convenient to use.

[0038] The present invention has been described by the above-mentioned relevant embodiments and drawings, but the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, modifications and equivalent settings included in the spirit and scope of the claims are included in the scope of the present invention.

Claims

1. A temperature control device for a needle-free syringe, characterized in that: It includes a temperature control box, a mounting plate is fixed to the inner wall of the temperature control box by bolts, and a counterweight is arranged at the bottom of the temperature control box, a buffer cavity is opened at the bottom of the temperature control box, and a buffer plate is slidably connected to the inside of the buffer cavity, and a damping rod is arranged on the outer wall of the top of the buffer plate, the top of the damping rod is fixed to the outer wall of the bottom of the buffer plate, a rubber buffer ball is placed in the gap of the buffer cavity below the buffer plate, and buffer springs are arranged on the inner wall of the bottom of the temperature control box and the inner wall of the top of the buffer cavity, one end of one of the buffer springs is connected to the damping rod, and the other buffer spring is connected to the buffer plate.

2. The temperature control device for a needle-free syringe according to claim 1, characterized in that: A temperature control chamber is provided inside the temperature control box, a push block is slidably connected to the inside of the temperature control chamber, a guide rod is provided on the inner wall of the temperature control chamber, the push block is slidably sleeved on the outside of the guide rod, a push spring connected to the push block is provided on the inner wall of the temperature control chamber, and the push spring is sleeved on the outside of the guide rod.

3. The temperature control device for a needle-free syringe according to claim 2, characterized in that: Semiconductor refrigeration sheets and heating plates are respectively arranged on the outer walls on both sides of the temperature control chamber, a heat dissipation plate is arranged on the other side of the semiconductor refrigeration sheet away from the temperature control chamber, and a dustproof net is arranged on the outer wall of the temperature control box close to the heat dissipation plate.

4. The temperature control device for a needle-free syringe according to claim 3, characterized in that: A temperature sensor is arranged on the inner wall of the temperature control chamber, a display screen is arranged on the top of the temperature control box, and a processor and a battery are arranged on the outer wall of the top of the mounting plate respectively, the semiconductor refrigeration sheet, the heating plate, the temperature sensor and the battery are connected to the processor through wires, and the semiconductor refrigeration sheet, the heating plate, the temperature sensor and the display screen are connected to the battery through wires.

5. The temperature control device for a needle-free syringe according to claim 4, characterized in that: A heat insulation board is arranged on the top outer wall of the mounting plate and the inner wall of the temperature control box, and the heat insulation board is located outside the temperature control chamber.

6. The temperature control device for a needle-free syringe according to claim 5, characterized in that: A blocking cover is movably connected to the outer wall of one side of the temperature control box through a hinge, and a fixing box is integrally connected to the outer wall of one side of the blocking cover. An insert block is slidably connected to the interior of the fixing box, and the insert block extends to the outside of the fixing box.

7. The temperature control device for a needle-free injector according to claim 6, characterized in that: A socket is arranged on the outer wall of one side of the temperature control box, and the plug block is plugged into the inside of the socket, and a plug spring connected with the plug block is arranged on the inner wall of the fixing box.

Images