CN114099050B - Intelligent needleless injection box capable of adjusting injection pressure - Google Patents
Intelligent needleless injection box capable of adjusting injection pressure Download PDFInfo
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- CN114099050B CN114099050B CN202111220351.XA CN202111220351A CN114099050B CN 114099050 B CN114099050 B CN 114099050B CN 202111220351 A CN202111220351 A CN 202111220351A CN 114099050 B CN114099050 B CN 114099050B
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- locking
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- 238000002347 injection Methods 0.000 title claims abstract description 52
- 239000007924 injection Substances 0.000 title claims abstract description 52
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 239000003708 ampul Substances 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 abstract description 2
- 241001465754 Metazoa Species 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 244000144972 livestock Species 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D7/00—Devices or methods for introducing solid, liquid, or gaseous remedies or other materials into or onto the bodies of animals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61D—VETERINARY INSTRUMENTS, IMPLEMENTS, TOOLS, OR METHODS
- A61D1/00—Surgical instruments for veterinary use
- A61D1/02—Trocars or cannulas for teats; Vaccination appliances
- A61D1/025—Vaccination appliances
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/30—Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2250/00—Specially adapted for animals
Abstract
The invention discloses an intelligent needleless injection box capable of adjusting injection pressure, which comprises a box body, wherein the surface of the box body is divided into three areas, a display screen for displaying injection information is arranged on the display area, an operation button is arranged on the operation area, an adjusting groove for installing an injector is formed in the adjusting area, a sliding groove is formed in the bottom of one end of the adjusting groove, a linear braking mechanism is arranged below the adjusting groove, a telescopic rod at the front end of the linear braking mechanism is arranged below the sliding groove, the telescopic rod is arranged below the sliding groove, a Y-shaped adjusting piece is arranged at the top end of the telescopic rod, a vertical rod of the adjusting piece passes through the sliding groove from bottom to top, when the injector is installed in the adjusting groove, one end of the injector is inserted into the adjusting piece, and when the telescopic rod stretches, the adjusting piece drives the injector to move back and forth in the adjusting groove; the intelligent control device is convenient for operators to set injection pressure, and meanwhile, the intelligent needleless injection box can complete the compression process of the needleless injector spring, so that the working efficiency is greatly improved.
Description
Technical Field
The invention relates to the technical field of medical appliances, in particular to an intelligent needleless injection box capable of adjusting injection pressure.
Background
With the development of livestock raising industry, various farms provide basic guarantee for the life quality of people. In order to maximize the economic benefit, various farms are beginning to move from single to multiple, involving the cultivation of multiple animals. In order to prevent and reduce the occurrence of epidemic diseases, it is necessary to vaccinate each year with the corresponding vaccine. Most farms currently use needleless injectors with needles for animals to vaccinate each animal. As is well known, the injection of the needle head can cause great pain to animals, and the situation that the needle head hurts people is often caused by broken needle due to the reaction action of the animals; in addition, because the workload of frequently assembling and disassembling the needle is large, time and labor are wasted, the injection efficiency is greatly reduced, and great potential safety hazards are also caused for the injector.
In order to meet the demands of vast farmers and reduce the equipment cost, it is highly desirable to design a needleless injector capable of automatically adjusting the injection pressure. The existing needleless injection box has single function and only plays a role in storing needleless injectors.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent needleless injection box capable of adjusting injection pressure.
In order to achieve the above purpose, the invention designs an intelligent needleless injection box capable of adjusting injection pressure, which comprises a box body and is characterized in that: the surface of the box body is divided into three areas, namely a display area, an operation area and an adjusting area, wherein a display screen for displaying injection information is arranged on the display area, an operation button is arranged on the operation area, an adjusting groove for installing an injector is formed in the adjusting area, a sliding groove is formed in the bottom of one end of the adjusting groove, a linear braking mechanism is arranged below the adjusting groove, a telescopic rod is arranged at the front end of the linear braking mechanism and positioned below the sliding groove, a Y-shaped adjusting piece is arranged at the top end of the telescopic rod, a vertical rod of the adjusting piece penetrates through the sliding groove from bottom to top,
when the injector is arranged in the adjusting groove, one end of the injector is inserted into the adjusting piece, and when the telescopic rod stretches out and draws back, the adjusting piece drives the injector to move back and forth in the adjusting groove;
the control signal output end of the operation button is connected with the signal input end of the controller in the box body,
the controller is respectively connected with the linear braking mechanism and the display screen.
Further, the injector is a needleless injector and comprises a shell, an ampoule bottle and a rotary locking device, wherein the rotary locking device comprises a locking shell and a rotary locker, the locking shell is U-shaped, the locking shell slides back and forth on the outer wall of the shell, the rotary locker moves on a middle rod of the locking shell, a support rod assembly is arranged in the shell, and the stress end of the support rod assembly extends out of the shell and is connected with the rotary locker; the ampoule bottle is internally provided with a piston which moves back and forth, and the piston stretches out of the shell and is connected with the pushing end of the supporting rod component in a meshed mode.
Further, two outer side key grooves are symmetrically formed in the outer wall of the shell, and the outer side key grooves are parallel to the central axis; two groups of groove groups are symmetrically arranged on the inner wall of the shell, each group of groove group consists of a plurality of grooves which are arranged at intervals, each groove is a semicircle with an arc shape smaller than the inner wall of the shell, and threads are arranged on the outer wall of the ampoule bottle mounting end of the shell.
Still further, the inner wall end parts of the sliding rods at the two ends of the locking shell are respectively provided with an inner key, each inner key freely slides in a corresponding outer key groove (the locking shell and the shell are always matched with each other in a key groove, and the locking shell is matched and meshed with the rotary locker, so that the rotation angle of the supporting rod is limited to be 0-90 degrees, the locking and releasing of the locking piece on the supporting rod are effectively controlled, and the safety and the using effect of the needleless injector are improved.
Still further, the ampoule includes the bottle, the injection end of bottle is provided with the nozzle, the stiff end of bottle is provided with the locking cap, be provided with the internal thread on the inner wall of locking cap, and thereby the internal thread and screw-thread engagement lock ampoule with the casing.
Still further, the supporting rod assembly comprises a supporting rod, two groups of locking pieces are symmetrically arranged on the outer wall of the pushing end of the supporting rod, and mounting holes are formed in the end wall of the pushing end of the supporting rod; the mounting hole is characterized in that mounting threads are formed in the inner wall of the mounting hole, two arc-shaped tracks are correspondingly wound on the outer wall of the stressed end of the supporting rod, and a spring is arranged on the supporting rod between the locking piece and the arc-shaped tracks.
Still further, the retaining member is made up of a plurality of spaced locking pieces, and the locking pieces of each group of retaining members are correspondingly inserted into the grooves to lock the supporting rod and the housing (when the grooves are matched with the retaining members, the grooves are used for limiting the movement of the retaining members in the vertical direction so as to limit the up-and-down movement of the supporting rod, and the locking shell is matched with the housing key groove so as to limit the rotation of the rotary locking mechanism, so that the rotation of only the supporting rod is realized).
Still further, set up the terminal surface screw thread on the outer wall of the atress end of piston, the terminal surface screw thread and the installation screw thread meshing of piston make the piston install in the mounting hole.
Still further, the rotation locker comprises rotatory cylinder and U type rotatory shell, rotatory cylinder both ends outer wall is provided with circular cap internal thread and rotation screw thread respectively, the circular cap is installed to rotatory cylinder one end, and its other end is rotatory on the middle pole of rotatory locking shell, rotatory shell sets up in rotatory locking shell, two through-holes have been seted up to two walls of rotatory shell, installs the cooperation piece in every through-hole, the atress end of bracing piece inserts in the U type shell of rotatory shell, the cooperation piece inserts the intraductal corresponding arc track of interior slip of through-hole (press the circular cap because rotatory locker of cooperation of rotatory shell and casing is relative casing linear motion and bracing piece is relative casing rotary motion simultaneously).
Still further, a gasket groove and a drag reduction groove (for reducing the friction resistance of the piston moving in the ampoule bottle) are formed in the outer wall of the piston, and an elastic gasket is sleeved on the gasket groove.
The invention has the beneficial effects that:
1. the intelligent control device is convenient for operators to set injection pressure, and meanwhile, the intelligent needleless injection box can complete the compression process of the needleless injector spring, so that the working efficiency is greatly improved.
2. The locking shell is in threaded engagement with the rotary locker, so that the degree of freedom of the rotary locker is reduced, the rotary locker linearly moves relative to the shell, the supporting rod rotationally moves in a 90-degree rotation range, locking and releasing of the locking piece on the supporting rod are effectively controlled, and safety and practicability are improved.
3. The shell of the needleless injector is internally provided with at least 20 grooves, the locking pieces arranged on the supporting rods can be matched with the grooves at the same time, and the matching pieces are matched with the arc track at the tail end of the supporting rods, so that the problem that the injection force of the existing spring needleless injector is not adjustable is solved.
4. The invention can realize smooth movement and locking of the movable shaft, and simultaneously realizes the adjustment of injection pressure through the rotating motor, thereby expanding the injection range and the use effect of the needleless injector.
Drawings
FIG. 1 is a schematic diagram of an intelligent needleless injection cassette with adjustable injection pressure;
FIG. 2 is a schematic view of a cartridge;
FIG. 3 is a schematic view of a linear brake mechanism;
FIG. 4 is a control flow diagram of a needleless injection cassette;
FIG. 5 is a schematic view of the structure of a needleless injector;
fig. 6 is a perspective view of the housing;
FIG. 7 is a cross-sectional view of the housing;
fig. 8 is a front view of the housing;
FIG. 9 is a C-C cross-sectional view of the housing;
FIG. 10 is a connection diagram of the support rod assembly and the rotational lock;
FIG. 11 is a front view of the support rod assembly and rotational lock;
FIG. 12 is a detail view of FIG. 11;
FIG. 13 is a perspective view of the support rod assembly;
figure 14 is a front view of the support rod assembly;
FIG. 15 is a perspective view of the rotational lock;
FIG. 16 is a perspective view of the mating element;
FIG. 17 is a perspective view of a piston;
FIG. 18 is a perspective view of the lock housing;
in the figure, a shell 1, an outer side key groove 1.1, a groove group 1.2, a groove 1.21, threads 1.3, an ampoule bottle 2, a bottle body 2.1, a nozzle 2.2, a locking cap 2.3, an inner thread 2.31, a rotary locking device 3, a locking shell 4, an inner side key 4.1, a rotary locker 5, a rotary cylinder 5.1, a round cap inner thread 5.11, a rotary thread 5.12, a rotary shell 5.2, a through hole 5.21, a supporting rod assembly 6, a supporting rod 6.1, a locking piece 6.2, a locking piece 6.21, a mounting hole 6.3, a mounting thread 6.4, an arc-shaped track 6.5, a spring 6.6, a piston 7, an end face thread 7.1, a gasket groove 7.2, a drag reduction groove 7.3, a round cap 8, a matching piece 9, an elastic washer 10, a box 11, a display screen 12, an operation button 13, an adjusting groove 14, a sliding groove 14.1, a linear brake 15, a telescopic rod 15.1 and an adjusting piece 15.2 are shown.
Detailed Description
The present invention is described in further detail below in conjunction with specific embodiments for understanding by those skilled in the art.
The intelligent needleless injection box capable of adjusting injection pressure as shown in figures 1-16 comprises a box body 11, wherein the surface of the box body 11 is divided into three areas, namely a display area, an operation area and an adjustment area, a display screen 12 for displaying injection information is arranged on the display area, an operation button 13 is arranged on the operation area, an adjustment groove 14 for installing an injector is arranged in the adjustment area, a chute 14.1 is arranged at the bottom of one end of the adjustment groove 14, a linear braking mechanism 15 is arranged below the adjustment groove 14, a telescopic rod 15.1 is arranged at the front end of the linear braking mechanism 15, the telescopic rod 15.1 is arranged below the chute 14.1, a Y-shaped adjusting piece 15.2 is arranged at the top end of the telescopic rod 15.1, a vertical rod of the adjusting piece 15.2 penetrates through the chute 14.1 from bottom to top,
when the injector is arranged in the adjusting groove 14, one end of the injector is inserted into the adjusting piece 15.2, the adjusting piece 15.2 is arranged in the groove of the adjusting piece 15.2, and when the telescopic rod 15.1 stretches, the adjusting piece 15.2 drives the injector to move back and forth in the adjusting groove 14;
the control signal output end of the operation button 13 is connected with the signal input end of the PLC controller in the box body 11,
the PLC controller is respectively connected with the linear braking mechanism 15 and the display screen 12; wherein, the liquid crystal display device comprises a liquid crystal display device,
the injector is a needleless injector and comprises a shell 1, an ampoule bottle 2 and a rotary locking device 3, wherein two outer side key grooves 1.1 are symmetrically formed in the outer wall of the shell 1, and the outer side key grooves 1.1 are parallel to a central axis; two groups of groove groups 1.2 are symmetrically formed on the inner wall of the shell 1, each group of groove groups 1.2 consists of at least 20 grooves 1.21 which are arranged at intervals, each groove 1.21 is a semicircle with an arc shape smaller than that of the inner wall of the shell 1, and threads 1.3 are arranged on the outer wall of the mounting end of the ampoule bottle 2 of the shell 1;
the ampoule bottle 2 comprises a bottle body 2.1, a nozzle 2.2 is arranged at the injection end of the bottle body 2.1, a locking cap 2.3 is arranged at the fixed end of the bottle body 2.1, an internal thread 2.31 is arranged on the inner wall of the locking cap 2.3, and the internal thread 2.31 is meshed with the thread 1.3 so as to lock the ampoule bottle 2 and the shell 1;
the rotary locking device 3 comprises a locking shell 4 and a rotary locker 5, the locking shell 4 is U-shaped, inner side keys 4.1 are arranged at the inner wall ends of sliding rods at two ends of the locking shell 4, and each inner side key 4.1 freely slides in a corresponding outer side key slot 1.1;
the rotary locker 5 moves on the middle rod of the locking shell 4, a supporting rod assembly 6 is arranged in the shell 1, and the stressed end of the supporting rod assembly 6 extends out of the shell 1 to be connected with the rotary locker 5;
the rotary locker 5 is composed of a rotary cylinder 5.1 and a U-shaped rotary shell 5.2, the outer walls of the two ends of the rotary cylinder 5.1 are respectively provided with a circular cap internal thread 5.11 and a rotary thread 5.12, one end of the rotary cylinder 5.1 is provided with a circular cap 8, the other end of the rotary cylinder rotates on a middle rod of the locking shell 4, the rotary shell 5.2 is arranged in the locking shell 4, two walls of the rotary shell 5.2 are provided with two through holes 5.21, each through hole 5.21 is internally provided with a matching piece 9,
the supporting rod assembly 6 comprises a supporting rod 6.1, two groups of locking pieces 6.2 are symmetrically arranged on the outer wall of the pushing end of the supporting rod 6.1, each group of locking pieces 6.2 consists of 3 locking pieces 6.21 which are arranged at intervals, the locking pieces 6.21 of each group of locking pieces 6.2 are correspondingly inserted into the grooves to lock the supporting rod 6.1 with the shell 1,
the end wall of the pushing end of the supporting rod 6.1 is provided with a mounting hole 6.3; the inner wall of the mounting hole 6.3 is provided with mounting threads 6.4, and the outer wall of the stress end of the supporting rod 6.1 is correspondingly wound with two arc-shaped rails 6.5;
the stress end of the supporting rod 6.1 is inserted into the U-shaped shell of the rotary shell 5.2, and the matching piece 9 is inserted into the through hole 5.21 and slides in the corresponding arc-shaped track 6.5; a spring 6.6 is arranged on the supporting rod 6.1 between the locking piece 6.2 and the arc-shaped track 6.5;
the ampoule bottle 2 is internally provided with a piston 7 which moves back and forth, the outer wall of the stress end of the piston 7 is provided with an end surface thread 7.1, and the end surface thread 7.1 of the piston 7 is meshed with the mounting thread 6.4 to enable the piston 7 to be mounted in the mounting hole 6.3.
The outer wall of the piston 7 is provided with a gasket groove 7.2 and a drag reduction groove 7.3, and the gasket groove 7.2 is sleeved with an elastic gasket 10.
The intelligent needleless injection box has the following operation process:
1. the needleless injector is placed and fixed in the adjustment slot 14 of the intelligent injection cassette, while the adjustment member engages with the rotating cylinder 5.1,
2. the user inputs user information (body mass index, injection position, age, sex, etc.) into the controller through the operation button 13, the display screen displays user related information, and the controller can control the linear braking mechanism 15 to adjust the piston position of the needleless injector to the extent corresponding to the user input data so as to adjust the medicine penetration depth; the adjusting method comprises the following steps:
the linear actuating mechanism 15 pushes the round cap 8 through the adjusting piece 15.2, the round cap 8 drives the rotary locker 5 to linearly move, the pair of knobs 9 matched with the through holes 5.21 on the rotary locker 5 drive the supporting rods 6.1 to linearly move together, the locking pieces 6.2 on the supporting rods start to compress the springs 6.6 to the appointed positions, and the round cap 8 is manually rotated to lock the springs after the springs 6.6 are compressed.
Other parts not described in detail are prior art. Although the foregoing embodiments have been described in some, but not all, embodiments of the invention, it should be understood that other embodiments may be devised in accordance with the present embodiments without departing from the spirit and scope of the invention.
Claims (7)
1. An intelligent needleless injection box with adjustable injection pressure, includes box body (11), its characterized in that: the surface of the box body (11) is divided into three areas, namely a display area, an operation area and an adjusting area, a display screen (12) for displaying injection information is arranged on the display area, an operation button (13) is arranged on the operation area, an adjusting groove (14) for installing an injector is formed in the adjusting area, a sliding groove (14.1) is formed in the bottom of one end of the adjusting groove (14), a linear braking mechanism (15) is arranged below the adjusting groove (14), a telescopic rod (15.1) is arranged at the front end of the linear braking mechanism (15), the telescopic rod (15.1) is arranged below the sliding groove (14.1), a Y-shaped adjusting piece (15.2) is arranged at the top end of the telescopic rod (15.1), a vertical rod of the adjusting piece (15.2) penetrates through the sliding groove (14.1) from bottom to top,
when the injector is arranged in the adjusting groove (14), one end of the injector is inserted into the groove of the adjusting piece (15.2), and when the telescopic rod (15.1) stretches, the adjusting piece (15.2) drives the injector to move back and forth in the adjusting groove (14);
the control signal output end of the operation button (13) is connected with the signal input end of the controller in the box body (11),
the controller is respectively connected with the linear braking mechanism (15) and the display screen (12); the injector is a needleless injector and comprises a shell (1), an ampoule bottle (2) and a rotary locking device (3), the rotary locking device (3) comprises a locking shell (4) and a rotary locker (5), the locking shell (4) is U-shaped, the locking shell (4) slides back and forth on the outer wall of the shell (1), the rotary locker (5) moves on a middle rod of the locking shell (4), a support rod assembly (6) is arranged in the shell (1), and the stress end of the support rod assembly (6) extends out of the shell (1) and is connected with the rotary locker (5); a piston (7) which moves back and forth is arranged in the ampoule bottle (2), and the piston (7) stretches into the shell (1) to be connected with the pushing end of the supporting rod component (6) in a meshed manner; two groups of groove groups (1.2) are symmetrically arranged on the inner wall of the shell (1), each group of groove groups (1.2) consists of a plurality of grooves (1.21) which are arranged at intervals, and each groove (1.21) is a semicircle with an arc shape smaller than the inner wall of the shell (1);
the support rod assembly (6) comprises a support rod (6.1), two groups of locking pieces (6.2) are symmetrically arranged on the outer wall of the pushing end of the support rod (6.1), and mounting holes (6.3) are formed in the end wall of the pushing end of the support rod (6.1); the inner wall of the mounting hole (6.3) is provided with mounting threads (6.4), two arc-shaped tracks (6.5) are correspondingly wound on the outer wall of the stress end of the supporting rod (6.1), and a spring (6.6) is arranged on the supporting rod (6.1) between the locking piece (6.2) and the arc-shaped tracks (6.5); the locking pieces (6.2) are composed of a plurality of locking pieces (6.21) which are arranged at intervals, and the locking pieces (6.21) of each group of locking pieces (6.2) are correspondingly inserted into the grooves to enable the supporting rod (6.1) to be locked with the shell (1).
2. The intelligent needleless injection cartridge of claim 1, wherein the injection pressure is adjustable, and wherein: two outer side key grooves (1.1) are symmetrically formed in the outer wall of the shell (1), and the outer side key grooves (1.1) are parallel to the central axis; threads (1.3) are arranged on the outer wall of the mounting end of the ampoule bottle (2) of the shell (1).
3. The intelligent needleless injection cartridge of claim 2, wherein the injection pressure is adjustable, and wherein: inner side keys (4.1) are arranged at the inner wall ends of the sliding rods at the two ends of the locking shell (4), and each inner side key (4.1) freely slides in the corresponding outer side key groove (1.1).
4. The intelligent needleless injection cartridge of claim 2, wherein the injection pressure is adjustable, and wherein: ampoule (2) include bottle (2.1), the injection end of bottle (2.1) is provided with nozzle (2.2), the stiff end of bottle (2.1) is provided with locking cap (2.3), be provided with internal thread (2.31) on the inner wall of locking cap (2.3), and thereby internal thread (2.31) and screw thread (1.3) meshing are locked ampoule (2) and casing (1).
5. The intelligent needleless injection cartridge of claim 1, wherein the injection pressure is adjustable, and wherein: an end face thread (7.1) is formed on the outer wall of the stress end of the piston (7), and the end face thread (7.1) of the piston (7) is meshed with the mounting thread (6.4) so that the piston (7) is mounted in the mounting hole (6.3).
6. The intelligent needleless injection cartridge of claim 1, wherein the injection pressure is adjustable, and wherein: the rotary locker (5) comprises a rotary cylinder (5.1) and a U-shaped rotary shell (5.2), circular cap internal threads (5.11) and rotary threads (5.12) are respectively arranged on the outer walls of two ends of the rotary cylinder (5.1), a circular cap (8) is arranged at one end of the rotary cylinder (5.1), the other end of the rotary cylinder rotates on a middle rod of the rotary locking shell (4), the rotary shell (5.2) is arranged in the rotary locking shell (4), two through holes (5.21) are formed in two walls of the rotary shell (5.2), a matching piece (9) is arranged in each through hole (5.21), the stressed end of the supporting rod (6.1) is inserted into the U-shaped shell of the rotary shell (5.2), and the matching piece (9) is inserted into the through holes (5.21) to slide in corresponding arc-shaped tracks (6.5).
7. The intelligent needleless injection cartridge of claim 5, wherein the injection pressure is adjustable, and wherein: a gasket groove (7.2) and a drag reduction groove (7.3) are formed in the outer wall of the piston (7), and an elastic gasket (10) is sleeved on the gasket groove (7.2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220351.XA CN114099050B (en) | 2021-10-20 | 2021-10-20 | Intelligent needleless injection box capable of adjusting injection pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111220351.XA CN114099050B (en) | 2021-10-20 | 2021-10-20 | Intelligent needleless injection box capable of adjusting injection pressure |
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| Publication Number | Publication Date |
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| CN114099050A CN114099050A (en) | 2022-03-01 |
| CN114099050B true CN114099050B (en) | 2024-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111220351.XA Active CN114099050B (en) | 2021-10-20 | 2021-10-20 | Intelligent needleless injection box capable of adjusting injection pressure |
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| CN211301530U (en) * | 2019-09-30 | 2020-08-21 | 陕西安信医学技术开发有限公司 | Intelligent painless injector control box |
| CN111631837A (en) * | 2020-06-22 | 2020-09-08 | 吴克坚 | Special syringe of adjustable extrusion force of animal doctor |
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