CN209220572U - Needleless injector - Google Patents

Abstract

The utility model relates to technical field of livestock husbandry, and disclose a kind of needleless injector, including needleless injector ontology.The utility model solves needleless injector when in use, easily there is animals when in use to contradict, it operates extremely difficult, or by force using causing into liquid position deviation, the problem of reducing pharmacological property, pass through middle adapter tube by the top of peripheral hardware perfusion tube, and it is connected on the inner wall of middle adapter tube through the outer wall of middle adapter tube, and it is infused, and the hollow grafting cylinder being fixedly connected on the left and right sides inner wall of extrusion equipment cooperates grafting cylinder and reaches the fixation to extrusion equipment, snorkel by squeezing the bottom connection of column carries out gas push, and then it can be to the promotion of sealed extruded plate, high pressure can be carried out to extrusion equipment and squeeze out gas, it is squeezed into needle tubing ontology so as to the liquid of hollow tube, it is injected in skin.

Description

Needleless injector

Technical field

The utility model relates to technical field of livestock husbandry, specially a kind of needleless injector.

Background technique

Needleless injector is exactly to form medical fluid using high-pressure jet principle by syringe needle when carrying out drug injection Thinner liquid flow, moment penetrate skin and reach subcutaneously.Because injecting the change of principle, medical fluid works in subcutaneous Dispersed precipitate Time, faster drug absorption rate was higher, should confirm whether you prepare the environment injected before opening pencil and medicine interface is taken to pack Cleaning.If the flowing of this quasi-instrument air is larger, air flowing should be reduced as far as possible, for example close door or window.It should not be in people Flow intensive or seriously polluted place injection.

When in use, easily there is animals (pig) conflict when in use, operation in needleless injector currently on the market It is extremely difficult, or by force using causing to reduce pharmacological property into liquid position deviation.

Chinese patent CN201711454992.5 discloses a kind of simple needleless injector, it includes syringe part Part is provided with pressure；Syringe part is made of housing, core bar, rubber plug, injection head and drawing liquid head；Pressure provides part by outer Shell, pressure axis, spring composition；The Ω shape stainless steel part of injection head is equipped with the micropore that 1-10 diameter is 1-10 μ；Drawing liquid head is modeling Expect injection needle；The spring that pressure provides part is pressure >=1kg pressure spring；Liquid medicine has been taken out with drawing liquid head when use, has changed injection Head, connection syringe partial pressure provide part, and injection head is directed at injection site, trigger spring, medical fluid high pressure injects muscle, complete At injection；It is suitable for intramuscular injection, can be applied to insulin and vaccine injection.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of needleless injector, solve currently on the market without When in use, easily there is animals (pig) conflict when in use, operation is extremely difficult, or uses by force in needle injection The problem of causing into liquid position deviation, reducing pharmacological property.

To achieve the above object, the utility model provides the following technical solutions:

The bottom of a kind of needleless injector, including needleless injector ontology, the needleless injector ontology is fixedly connected with Middle adapter tube, offers external needle tubing insertion hole on the front of the middle adapter tube, fixed in the hole in the external needle tubing insertion hole to connect It is connected to peripheral hardware perfusion tube, extrusion equipment, the outer wall of the extrusion equipment are fixedly connected at the top of the needleless injector ontology Downside is fixedly connected with ring protection set, and the bottom of the needleless injector ontology is fixedly connected with needle tubing ontology, the needle tubing The bottom of ontology offers circular hole, and the bottom of the needle tubing ontology is located at the inside of briquetting, and the top of the briquetting is solid Surely it is connected with fixed block, is fixedly connected on the inside of the fixed block on the outer wall of needle tubing ontology, the needleless injector ontology The left and right sides be fixedly connected to threaded hollow block, be plugged with hollow tube in the top face of the needleless injector ontology, The hollow tube is located at the inside of needleless injector ontology and is located at intermediate position, solid on the back side of the needleless injector ontology Surely it is connected with handle, is fixedly connected with hand retaining ring between the outer wall of the handle and the outer wall back side of needleless injector ontology；Institute It states and is fixedly connected to hollow grafting cylinder on the left and right sides inner wall of extrusion equipment, the inner cavity of the hollow grafting cylinder is flexibly connected There is grafting cylinder, vacuum air inlet pipe is fixedly connected at the top of the extrusion equipment, the bottom of the vacuum air inlet pipe is fixed to be connected It is connected to gas and squeezes into device, sealing block is flexibly connected in the right wall of the hollow grafting cylinder, is inserted in the top face of the sealing block It is connected to snorkel, extruding column is fixedly connected at the top of the snorkel, is fixedly connected at the top of the extruding column crowded Pushing block is pressed, the extruding pushing block is movably connected on the inner wall of extrusion equipment.

Preferably, thread pillar, the outer wall upside of the thread pillar are fixedly connected on the left of the threaded hollow block It is fixedly connected with threaded block, screw thread geosynclinal block is connected on the outer wall of the threaded block, the screw thread geosynclinal block is located in screw thread On the inner cavity of empty block, the bottom of the thread pillar is fixedly connected with support rod, and the bottom of the support rod is fixedly connected with set Cylinder link block, the bottom of the sleeve connection block are fixedly connected with sleeve, are fixedly connected with runner block on the inner wall of the sleeve, The inner cavity of the sleeve is connected with grafting block, and the grafting block is cylindric and left and right sides outer wall is chute-like, institute The bottom for stating grafting block is fixedly connected with supporting block, and the bottom of the supporting block is fixedly connected with skin sucker.

Preferably, the sleeve is adapted with grafting block size, cylindric centered on the sleeve, the runner block and insert The outer wall for connecing block is flexibly connected.

Preferably, the bottom of the sealing block is fixedly connected with small-bore cylinder, and the bottom of the small-bore cylinder is fixed It is connected with sealed extruded plate, the sealed extruded plate is discoid with sealing block.

Preferably, the top of the peripheral hardware perfusion tube is inserted into hole by external needle tubing and runs through the outer wall of hollow tube, and solid Surely it is connected on the inner wall of hollow tube.

Working principle: by the top of peripheral hardware perfusion tube by middle adapter tube, and through the outer wall of middle adapter tube be connected in connect It on the inner wall of pipe, and is infused, and the hollow grafting cylinder cooperation being fixedly connected on the left and right sides inner wall of extrusion equipment is inserted It connects cylinder and reaches the fixation to extrusion equipment, wherein the extruding pushing block being located in the inner cavity of extrusion equipment is vertical with extruding is closed The promotion of the promotion sealing block of column carries out gas push by squeezing the snorkel of bottom connection of column, and then can be to close The promotion of stripper plate is sealed, high pressure can be carried out to extrusion equipment and squeeze out gas, squeeze into needle so as to the liquid of hollow tube It in tube body, is injected in skin, is pressed on the skin by the crushing block connected in the bottom of needle tubing ontology.

The utility model provides a kind of needleless injector, have it is following the utility model has the advantages that

(1) this programme uses the cooperation of threaded hollow block, middle adapter tube and peripheral hardware perfusion tube, and this programme passes through peripheral hardware perfusion tube Top be connected on the inner wall of middle adapter tube by middle adapter tube, and through the outer wall of middle adapter tube, and be infused, (peripheral hardware infusion Pipe has a certain distance between hollow tube and sealed extruded plate, and specific distance is between 5cm-10cm), and The hollow grafting cylinder being fixedly connected on the left and right sides inner wall of extrusion equipment cooperates grafting cylinder and reaches and consolidate to extrusion equipment It is fixed, wherein the extruding pushing block being located in the inner cavity of extrusion equipment matches the promotion for closing the promotion sealing block for squeezing column, pass through The snorkel for squeezing the bottom connection of column carries out gas push, and then can be to the promotion of sealed extruded plate, wherein being connected to Gas on the back side of extrusion equipment squeezes into device, can carry out high pressure to extrusion equipment and squeeze out gas, so as in hollow tube The liquid in portion is squeezed into needle tubing ontology, is injected in skin, is existed by the crushing block pressing connected in the bottom of needle tubing ontology On skin, so as to which so that the liquid injected in skin is dispersed, avoiding traditional needle tubing from penetrating skin is convergent manner, maximum Change is diffused medical fluid.

(2) this programme uses the cooperation of needleless injector ontology and threaded hollow block, by needleless injector ontology Connection screw thread hollow block on outer wall, by being threadedly coupled thread pillar on the outside of threaded hollow block, positioned at thread pillar The support rod that bottom is fixedly connected is connected to the top of sleeve connection block, is matched by the sleeve being arranged in the bottom of sleeve connection block It closes grafting block and then the skin sucker that can be connected to grafting block and bottom is dismantled, be easy to use, and pass through screw thread The screw thread of hollow block twists, and reaches and be displaced outward to threaded hollow block, increases operational attribute, solves existing market When in use, easily there is animals (pig) conflict when in use, operation is extremely difficult, or by force in upper needleless injector Using causing to reduce pharmacological property into liquid position deviation.

Detailed description of the invention

Fig. 1 is the utility model needleless injector body construction schematic diagram；

Fig. 2 is the utility model extrusion equipment structural schematic diagram；

Fig. 3 is the utility model needleless injector ontology rearview；

Fig. 4 is the utility model needleless injector ontology left view.

In figure: 1 needleless injector ontology, 2 handles, 3 hand retaining rings, 4 extrusion equipments, 5 ring protection sets, adapter tube in 6, in 7 Blank pipe, 8 threaded hollow blocks, 9 screw thread geosynclinal blocks, 10 threaded blocks, 11 thread pillars, 12 support rods, 13 sleeve connection blocks, 14 sleeves, 15 grafting blocks, 16 supporting blocks, 17 skin suckers, 18 runner blocks, 19 fixed blocks, 20 briquettings, 21 circular holes, 22 needle tubing ontologies, 23 external needle tubing insertion holes, 24 peripheral hardware perfusion tubes, 25 grafting cylinders, 26 hollow grafting cylinders, 27 sealing blocks, 28 snorkels, 29 are squeezed Pressure column, 30 extruding pushing blocks, 31 vacuum air inlet pipe, 32 gases squeeze into device, 33 small-bore cylinders, 34 sealed extruded plates.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs 1-4, the utility model provides a kind of technical solution: a kind of needleless injector, including needleless injector Ontology 1, the bottom of needleless injector ontology 1 are fixedly connected with middle adapter tube 6, and external needle tubing is offered on the front of middle adapter tube 6 and is inserted Enter hole 23, is fixedly connected with peripheral hardware perfusion tube 24 in the hole in external needle tubing insertion hole 23, the top of needleless injector ontology 1 is fixed It is connected with extrusion equipment 4, ring protection set 5, the bottom of needleless injector ontology 1 are fixedly connected on the downside of the outer wall of extrusion equipment 4 Portion is fixedly connected with needle tubing ontology 22, and the bottom of needle tubing ontology 22 offers circular hole 21, and the bottom of needle tubing ontology 22, which is located at, presses The inside of briquetting 20, the top of briquetting 20 are fixedly connected with fixed block 19, and the inside of fixed block 19 is fixedly connected on needle tubing sheet On the outer wall of body 22, the left and right sides of needleless injector ontology 1 is fixedly connected to threaded hollow block 8, needleless injector ontology 1 Top face on be plugged with hollow tube 7, hollow tube 7 is located at the inside of needleless injector ontology 1 and is located at intermediate position, needleless Handle 2 is fixedly connected on the back side of syringe body 1, between the outer wall of handle 2 and the outer wall back side of needleless injector ontology 1 It is fixedly connected with hand retaining ring 3, hollow grafting cylinder 26, hollow grafting are fixedly connected on the left and right sides inner wall of extrusion equipment 4 The inner cavity of cylinder 26 is connected with grafting cylinder 25, and the top of extrusion equipment 4 is fixedly connected with vacuum air inlet pipe 31, vacuum air inlet The bottom of pipe 31 is fixedly connected with gas and squeezes into device 32, is flexibly connected sealing block 27, sealing block in the right wall of hollow grafting cylinder 26 Snorkel 28 is plugged in 27 top face, the top of snorkel 28, which is fixedly connected with, squeezes column 29, squeezes column 29 Top, which is fixedly connected with, squeezes pushing block 30, squeezes pushing block 30 and is movably connected on the inner wall of extrusion equipment 4, threaded hollow block 8 left side is fixedly connected with thread pillar 11, is fixedly connected with threaded block 10 on the upside of the outer wall of thread pillar 11, threaded block 10 Screw thread geosynclinal block 9 is connected on outer wall, screw thread geosynclinal block 9 is located on the inner cavity of threaded hollow block 8, and the bottom of thread pillar 11 is solid Surely it is connected with support rod 12, the bottom of support rod 12 is fixedly connected with sleeve connection block 13, and the bottom of sleeve connection block 13 is fixed It is connected with sleeve 14, runner block 18 is fixedly connected on the inner wall of sleeve 14, the inner cavity of sleeve 14 is connected with grafting block 15, Grafting block 15 is that cylindric and left and right sides outer wall is chute-like, and the bottom of grafting block 15 is fixedly connected with supporting block 16, branch The bottom of bracer 16 is fixedly connected with skin sucker 17, and sleeve 14 is adapted with 15 size of grafting block, and sleeve 14 is center cylinder Shape, runner block 18 are flexibly connected with the outer wall of grafting block 15, and the bottom of sealing block 27 is fixedly connected with small-bore cylinder 33, osculum The bottom of diameter cylinder 33 is fixedly connected with sealed extruded plate 34, sealed extruded plate 34 with sealing block 27 be it is discoid, peripheral hardware is defeated The top of liquid pipe 24 is inserted into hole 23 by external needle tubing and runs through the outer wall of hollow tube 7, and is fixedly connected on the inner wall of hollow tube 7 On.

The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter Calculation machine etc. plays the conventionally known equipment of control.

Working principle: it by the top of peripheral hardware perfusion tube 24 by middle adapter tube 6, and is connected to through the outer wall of middle adapter tube 6 On the inner wall of middle adapter tube 6, and the hollow grafting cylinder be infused, and be fixedly connected on the left and right sides inner wall of extrusion equipment 4 26 cooperate grafting cylinders 25 and reach the fixation to extrusion equipment 4, wherein being located at the extruding pushing block in the inner cavity of extrusion equipment 4 30, with the promotion for closing the promotion sealing block 27 for squeezing column 29, are carried out by squeezing the snorkel 28 of bottom connection of column 29 Gas push, and then the promotion of sealed extruded plate 34 can be carried out by high pressure to extrusion equipment 4 and squeeze out gas, so as to It is squeezed into needle tubing ontology 22, is injected in skin with the liquid inside hollow tube 7, by being connected in the bottom of needle tubing ontology 22 Crushing block 20 pressing on the skin.

It can to sum up obtain, this programme uses the cooperation of threaded hollow block 8, middle adapter tube 6 and peripheral hardware perfusion tube 24, and this programme passes through The top of peripheral hardware perfusion tube 24 is connected on the inner wall of middle adapter tube 6 by middle adapter tube 6, and through the outer wall of middle adapter tube 6, and is carried out Infusion, (peripheral hardware perfusion tube 24, which is located between 7 inside of hollow tube and sealed extruded plate 34, a certain distance, specifically apart from position Between 3cm-5cm), and the hollow grafting cylinder 26 cooperation grafting circle being fixedly connected on the left and right sides inner wall of extrusion equipment 4 Column 25 and reach the fixation to extrusion equipment 4, wherein the extruding pushing block 30 being located in the inner cavity of extrusion equipment 4 is with closing extruding The promotion of the promotion sealing block 27 of column 29 carries out gas push by squeezing the snorkel 28 of bottom connection of column 29, into And it can be to the promotion of sealed extruded plate 34, wherein it is that (outlet is that the gas being connected on the back side of extrusion equipment 4, which squeezes into device 32, 23kp | 1s), high pressure can be carried out to extrusion equipment 4 and squeeze out gas, squeeze into needle tubing sheet so as to the liquid inside hollow tube 7 In body 22, injected in skin, on the skin by the pressing of the crushing block 20 that is connected in the bottom of needle tubing ontology 22, so as to So that the liquid injected in skin is dispersed, avoiding traditional needle tubing from penetrating skin is convergent manner, and maximization carries out medical fluid Diffusion, this programme use the cooperation of needleless injector ontology 1 and threaded hollow block 8, pass through the outer wall in needleless injector ontology 1 Upper connection screw thread hollow block 8 is located at thread pillar 11 by being threadedly coupled thread pillar 11 on the outside of threaded hollow block 8 The support rod 12 that is fixedly connected of bottom be connected to the top of sleeve connection block 13, by being arranged in the bottom of sleeve connection block 13 Sleeve 14 match and close grafting block 15 and then the skin sucker 17 that can be connected to grafting block 15 and bottom be dismantled, it is convenient It uses, and is twisted by the screw thread of threaded hollow block 8, and reach and threaded hollow block 8 is displaced outward, increase operation and belong to Property, solving needleless injector currently on the market, when in use, easily animals (pig) contradicts when in use for appearance, operation It is extremely difficult, or by force using causing to reduce pharmacological property into liquid position deviation.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (1)

1. needleless injector, including needleless injector ontology (1), it is characterised in that: the bottom of the needleless injector ontology (1) It is fixedly connected with middle adapter tube (6), offers external needle tubing insertion hole (23), the external needle on the front of the middle adapter tube (6) It is fixedly connected with peripheral hardware perfusion tube (24) in the hole of pipe insertion hole (23), the top of the needleless injector ontology (1) is fixed to be connected It is connected to extrusion equipment (4), is fixedly connected with ring protection set (5), the Needleless injection on the downside of the outer wall of the extrusion equipment (4) The bottom of device ontology (1) is fixedly connected with needle tubing ontology (22), and the bottom of the needle tubing ontology (22) offers circular hole (21), The bottom of the needle tubing ontology (22) is located at the inside of briquetting (20), is fixedly connected with fixation at the top of the briquetting (20) Block (19) is fixedly connected on the outer wall of needle tubing ontology (22) on the inside of the fixed block (19), the needleless injector ontology (1) it is fixedly connected at left and right sides of threaded hollow block (8), grafting in the top face of the needleless injector ontology (1) Have hollow tube (7), the hollow tube (7) is located at the inside of needleless injector ontology (1) and is located at intermediate position；The extruding is set Hollow grafting cylinder (26), the inner cavity activity of the hollow grafting cylinder (26) are fixedly connected on the left and right sides inner wall of standby (4) It is connected with grafting cylinder (25), is fixedly connected with vacuum air inlet pipe (31) at the top of the extrusion equipment (4), the vacuum air inlet The bottom of pipe (31) is fixedly connected with gas and squeezes into device (32), is flexibly connected sealing block in the right wall of the hollow grafting cylinder (26) (27), it is plugged with snorkel (28) in the top face of the sealing block (27), is fixedly connected at the top of the snorkel (28) Have extruding column (29), is fixedly connected at the top of the extruding column (29) and squeezes pushing block (30), the extruding pushing block (30) it is movably connected on the inner wall of extrusion equipment (4)；

It is fixedly connected with thread pillar (11) on the left of the threaded hollow block (8), on the upside of the outer wall of the thread pillar (11) It is fixedly connected with threaded block (10), is connected with screw thread geosynclinal block (9) on the outer wall of the threaded block (10), the screw thread geosynclinal block (9) on the inner cavity of threaded hollow block (8), the bottom of the thread pillar (11) is fixedly connected with support rod (12), described The bottom of support rod (12) is fixedly connected with sleeve connection block (13), and the bottom of the sleeve connection block (13) is fixedly connected with set Cylinder (14) is fixedly connected with runner block (18) on the inner wall of the sleeve (14), and the inner cavity of the sleeve (14) is connected with Grafting block (15), the grafting block (15) are that cylindric and left and right sides outer wall is chute-like, the bottom of the grafting block (15) Portion is fixedly connected with supporting block (16), and the bottom of the supporting block (16) is fixedly connected with skin sucker (17)；

The sleeve (14) is adapted with grafting block (15) size, cylindric, the runner block centered on the sleeve (14) (18) it is flexibly connected with the outer wall of grafting block (15).