CN214911854U - Booster - Google Patents

Abstract

The embodiment of the application discloses disposable booster, does not need the doctor to pay time and maintains the booster, realizes swift high-efficient and safety that the booster used. The booster of the present application includes: push rod, linkage, medicine storehouse; the connecting structure is tubular, a first through hole in matched connection with the push rod is formed in the first end face of the connecting structure, and a first buckle structure is arranged at the second end of the connecting structure; the medicine bin is tubular, a second buckle structure matched with the first buckle structure is arranged at the first end of the medicine bin, a needle head connecting structure is arranged at the second end of the medicine bin, and a non-detachable connecting structure is formed when the first buckle structure and the second buckle structure are matched and connected; the push rod is matched with the first through hole and is connected with the connecting structure in a penetrating mode in a sliding mode.

Description

Booster

Technical Field

The embodiment of the application relates to the field of medical instruments, in particular to a booster.

Background

The existing booster used for dental anesthesia is generally a reusable metal booster which can be reused after high-temperature and high-pressure sterilization. Because the metal booster is to satisfy the requirement that needs used repeatedly, so generally be for dismantling the connection between each component part of metal booster to make things convenient for the doctor to disassemble the back and carry out sterilization, when needs used the metal booster, the doctor assembles each component part of metal booster again, and puts into anesthetic bottle (generally the cassette bottle) in the medicine storehouse of metal booster, installs disposable syringe needle at the one end adaptation of metal booster and use.

However, in the prior art, a doctor may pollute the metal booster during the process of assembling the components of the metal booster manually, and if the reusable metal booster in the prior art is not sterilized and disinfected in time after each use, cross infection is easily caused among patients using the metal booster, and the metal booster in the prior art needs a doctor to spend a lot of time for maintenance.

Therefore, the metal booster in the prior art is not safe, has low efficiency, and urgently needs a quick, efficient and safe booster.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a disposable booster, does not need the doctor to pay time and maintains the booster, realizes swift high-efficient and safety that the booster used.

The application of the booster includes: push rod, linkage, medicine storehouse;

the connecting structure is tubular, a first through hole in matched connection with the push rod is formed in the first end face of the connecting structure, and a first buckle structure is arranged at the second end of the connecting structure;

the medicine bin is tubular, a second buckle structure matched with the first buckle structure is arranged at the first end of the medicine bin, a needle head connecting structure is arranged at the second end of the medicine bin, and a non-detachable connecting structure is formed when the first buckle structure and the second buckle structure are matched and connected;

the push rod is matched with the first through hole and is connected with the connecting structure in a penetrating mode in a sliding mode.

Optionally, the first snap structure is a radial snap structure, and a second end of the connecting structure has a guide groove;

the first end of the medicine bin is provided with a guide block matched with the guide groove.

Optionally, the method further includes: pre-tightening the spring;

the connection structure includes: a hand-held sleeve, a medicine bin sleeve and a push rod sleeve;

the handheld sleeve is tubular, a thread groove is formed in the inner wall of the first end of the handheld sleeve, the first through hole is formed in the first end face of the handheld sleeve, and a first ratchet is arranged on the inner wall of the first end face of the handheld sleeve;

the medicine bin sleeve is tubular, the outer wall of the first end of the medicine bin sleeve is provided with a thread tooth matched with the thread groove, the second end of the medicine bin sleeve is provided with the first buckle structure, the second end of the medicine bin sleeve is provided with the guide groove, and the inner wall of the medicine bin sleeve is provided with a first annular bump;

the push rod sleeve is tubular, the outer diameter of the push rod sleeve is smaller than the inner diameter of the first annular bump, the outer wall of the first end of the push rod sleeve is provided with a second annular bump, the outer diameter of the second annular bump is larger than the inner diameter of the first annular bump and smaller than the inner diameter of the medicine bin sleeve, so that the second annular bump is limited between the first annular bump and the first end face of the handheld sleeve, a preset distance is reserved between the first annular bump and the first end face of the handheld sleeve, the push rod sleeve can slide in the preset distance, the push rod sleeve is provided with a second through hole which is connected with the push rod in a matched mode, the second end of the push rod sleeve can extend into the medicine bin sleeve, and the first end of the push rod sleeve is provided with a second ratchet matched with the first ratchet;

the push rod is matched with the first through hole and can be slidably connected with the handheld sleeve in a penetrating manner, the push rod is matched with the second through hole and can be slidably connected with the push rod sleeve in a penetrating manner, and the cross section of the push rod is circular;

the push rod is sleeved with the pre-tightening spring, one end of the pre-tightening spring is abutted to the third annular bump on the inner wall of the push rod sleeve, and the other end of the pre-tightening spring is abutted to the first end face of the handheld sleeve, so that the push rod sleeve keeps the second annular bump abutted to the first annular bump under the action of the pre-tightening force of the pre-tightening spring.

Optionally, the connection structure includes: a hand-held sleeve and a connecting sleeve;

the handheld sleeve is tubular, the first end face of the handheld sleeve is provided with the first through hole, and the inner wall of the handheld sleeve is provided with a radial groove and an axial groove;

the connecting sleeve is tubular and can be embedded in the handheld sleeve, the outer wall of the connecting sleeve is provided with a radial convex rib matched with the radial groove and an axial convex rib matched with the axial groove, the second end of the connecting sleeve is provided with the first buckle structure, and the second end of the connecting sleeve is provided with the guide groove;

or the like, or, alternatively,

the handheld sleeve is tubular, the first end face of the handheld sleeve is provided with the first through hole, and the inner wall of the handheld sleeve is provided with a radial convex rib and an axial convex rib;

the connecting sleeve is tubular, the connecting sleeve can be installed in the handheld sleeve in an embedded mode, the outer wall of the connecting sleeve is provided with a radial groove matched with the radial convex rib and an axial groove matched with the axial convex rib, the second end of the connecting sleeve is provided with the first buckling structure, and the second end of the connecting sleeve is provided with the guide groove.

Optionally, the connecting sleeve includes: a medicine bin sleeve and a push rod sleeve;

the medicine bin sleeve is tubular, the outer wall of the medicine bin sleeve is provided with the radial convex rib and the axial convex rib or the radial groove and the axial groove, the second end of the medicine bin sleeve is provided with the first buckle structure, and the second end of the medicine bin sleeve is provided with the guide groove;

the push rod sleeve is tubular, the push rod sleeve is fixedly connected in the medicine bin sleeve, and the push rod sleeve is provided with a third through hole which is connected with the push rod in a matched mode.

Optionally, the connecting sleeve includes: a medicine bin sleeve and a push rod sleeve;

the medicine bin sleeve is tubular, the outer wall of the medicine bin sleeve is provided with the radial convex rib and the axial convex rib or the radial groove and the axial groove, the second end of the medicine bin sleeve is provided with the first buckle structure, the second end of the medicine bin sleeve is provided with the guide groove, and the inner wall of the medicine bin sleeve is provided with a third annular convex block;

the push rod cover is the tubulose, push rod cover external diameter is less than the internal diameter of the cyclic annular lug of third, and push rod cover outer wall has fourth cyclic annular lug, the external diameter of fourth cyclic annular lug is greater than the internal diameter of the cyclic annular lug of third just is less than the internal diameter of medicine storehouse cover, in order to incite somebody to action the fixed restriction of fourth cyclic annular lug is in the cyclic annular lug of third with between the first terminal surface of handheld cover, push rod cover have with the push rod cooperation is connected the third through-hole.

Optionally, the method further includes: a friction sleeve;

the friction sleeve is provided with a fourth through hole which is connected with the push rod in a matching way, and the friction sleeve is sleeved outside the push rod and is fixed in the push rod sleeve.

Optionally, the second end of the push rod is detachably connected with a rubber pad, a metal piercing hook or a metal threaded drill.

Optionally, the cartridge has an observation window and a scale value.

Optionally, the method further includes: a cartridge bottle having a preset dose of medicinal liquid;

the cartridge bottle is installed in the medicine bin in an adaptive mode, and one end of the push rod is abutted to a movable rubber plug of the cartridge bottle.

According to the technical scheme, the embodiment of the application has the following advantages:

the booster comprises a push rod, a connecting structure and a medicine bin, wherein the connecting structure is tubular, a first through hole in matched connection with the push rod is formed in a first end face of a first end of the connecting structure, and a first buckle structure is arranged at a second end of the connecting structure; the medicine storehouse is the tubulose, and the first end in medicine storehouse have with the second buckle structure of first buckle adaptation, wherein become non-detachable connection structure when first buckle structure is connected with the cooperation of second buckle structure, the second end in this medicine storehouse has syringe needle connection structure. In an initial state, the push rod is matched with the first through hole and can be in sliding penetrating connection with the connecting structure, the connecting structure is not connected with the medicine bin, a medicine bottle to be injected (such as a card bottle pre-filled with liquid to be injected) needs to be correctly placed into the medicine bin, then the first buckle structure of the connecting structure is matched and connected with the second buckle structure of the medicine bin to form a non-detachable connecting structure, one end of the push rod in the connecting structure is abutted against a movable rubber plug in the card bottle, a disposable needle is matched and installed on the needle head connecting structure at the second end of the medicine bin, one end of the disposable needle is punctured into the card bottle to contact the liquid, the disposable needle is fixedly connected to the booster, the other end of the disposable needle can serve as an injection end, and at the moment, the liquid in the card bottle can be injected through the disposable needle only by holding the connecting structure and pushing the push rod, the medical staff can use the booster for normal use. It can be seen that, the booster of this application embodiment is for avoiding being used many times, form non-detachable connection structure when cooperation is connected between connection structure and the medicine storehouse, and then the medicine bottle lock of dress in the medicine storehouse dies, prevent that the medicine bottle from being taken out once more in the medicine storehouse, guarantee effectively that this application booster can only disposable, and this application embodiment booster simple structure, simple to operate, do not need the doctor to pay out the time and maintain the booster, realize swift high efficiency and safety that the booster used, and when this application booster adopts the plastics that accord with medical standard to make in batches, the manufacturing cost of every booster can be less than the single maintenance cost of every traditional metal booster, it can be seen that, this application embodiment booster has cost advantage under the prerequisite that satisfies swift high efficiency of use and safety.

Drawings

FIG. 1 is an exploded view of one embodiment of a booster of the present application;

FIG. 2 is a schematic diagram of an embodiment of the booster of the present application adapted to mount a vial and a needle;

FIG. 3 is a schematic structural view of an embodiment of a connector and a push rod of the booster of the present application;

FIG. 4 is a cross-sectional view of one embodiment of a connector and push rod of the booster of the present application;

FIG. 5 is a schematic structural view of an embodiment of a connecting sleeve in the booster of the present application;

FIG. 6 is a cross-sectional view of one embodiment of the booster of the present application adapted to mount a vial and needle;

FIG. 7 is a partial enlarged view of portion A of FIG. 6;

FIG. 8 is a cross-sectional view of another embodiment of the booster of the present application adapted to mount a vial and needle;

fig. 9 is a partial enlarged view of portion B of fig. 8;

FIG. 10 is a schematic structural view of an embodiment of a traditional Chinese medicine cartridge sleeve of the booster of the present application;

FIG. 11 is a schematic structural view of an embodiment of a push rod sleeve in the booster of the present application;

FIG. 12 is a cross-sectional view of another embodiment of the booster of the present application adapted to mount a vial and needle;

fig. 13 is a partial enlarged view of portion C of fig. 12;

FIG. 14 is a schematic structural view of an embodiment of a push rod of the booster of the present application;

fig. 15 is a schematic structural view of an embodiment of a helical drill bit in the booster of the present application.

Detailed Description

The embodiment of the application provides a disposable booster, does not need the doctor to pay time and maintains the booster, realizes swift high-efficient and safety that the booster used.

Referring to fig. 1, 2 and 3, an embodiment of a booster of the present application includes: a push rod 300, a connecting structure 200 and a medicine bin 100. The main body of the connecting structure 200 is tubular and is used for matching and connecting the push rod 300 and the medicine bin 100, a first through hole 202 matched and connected with the push rod 30 is arranged on a first end surface 201 of the first end of the connecting structure 200, a first buckling structure is arranged on a second end of the connecting structure 200, the push rod 300 is matched with the first through hole 202 and can be slidably penetrated and connected with the connecting structure 200, so that the second end of the push rod 300 can be slidably connected with the first through hole 202 and can extend into the connecting structure 200; wherein medicine storehouse 100 also is the tubulose for the adaptation holds medicine bottle 400 of form encapsulation liquid such as dress cassette bottle, the first end of this medicine storehouse 100 have with the second buckle structure of first buckle structure adaptation, can become non-detachable connection structure when this first buckle structure is connected with the cooperation of second buckle structure, and then dies the medicine bottle 400 lock of dress in medicine storehouse 100, prevent that medicine bottle 400 from being taken out once more in medicine storehouse 100, guarantee effectively that this application boost motor can only disposable. The second end of this application embodiment booster traditional chinese medicine storehouse 100 has syringe needle connection structure 120, and syringe needle connection structure 120 generally adopts general standard interface on the market to the disposable syringe needle in the adaptation market uses the booster of this application, reduces the collocation use cost of this application booster.

One product form of the booster of the embodiment of the application is as follows: the push rod 300 is fitted into the first through hole 202 and slidably penetrates through the connecting structure 200, and the connecting structure 200 is not connected with the cartridge 100. The product form can be that the connecting structure 200 and the push rod 300 are adapted and installed and then independently packaged after sterilization and disinfection, and the medicine cabin is independently packaged after sterilization and disinfection. The booster in this product form requires a user (medical staff) to manually and correctly place a medicine bottle 400 (e.g. a card bottle pre-filled with a liquid to be injected) to be injected into the medicine bin 100 (e.g. the card bottle has one end of a movable rubber plug 420 facing the first end of the medicine bin 100), and then the first buckling structure of the connecting structure 200 is connected with the second buckling structure of the medicine bin 100 in a matching manner to form a non-detachable connecting structure, so that the second end of a push rod 300 located in the connecting structure 200 abuts against the movable rubber plug 420 in the card bottle, and then a disposable needle 500 is installed in the needle connecting structure 120 at the second end of the medicine bin 100 in a matching manner, so that one end of the disposable needle 500 penetrates through the sealing rubber plug 430 and then enters the card bottle 410 to contact the liquid to be injected, at this time, the disposable needle 500 is fixedly connected to the booster, and the other end of the disposable needle 500 can be used as an injection end, the medical staff can use the booster for normal injection by holding the connecting structure 200 and pushing the push rod 300 to eject the liquid in the medicine bottle 400 through the disposable needle 500. It is thus clear that the booster under the above-mentioned product form mainly comprises the structure of two independent packages, make things convenient for the medicine bottle of the nimble installation needs of medical staff according to the on-the-spot demand to use, and the booster of this application embodiment is for avoiding by repetitious usage, form non-detachable connection structure when cooperation is connected between connection structure 200 and the medicine storehouse 100, and then die the medicine bottle lock of dress in medicine storehouse 100, prevent that medicine bottle 400 from being taken out once more from medicine storehouse 100, guarantee effectively that this application booster only can disposable, and this application embodiment booster simple structure, high durability and convenient installation, need not pay out the time by the doctor and maintain the booster, realize swift high-efficient and safety that the booster used. It should be noted that, when the boosters of the present application are manufactured in large batches by using plastic conforming to medical standards, the manufacturing cost of each booster can be lower than the single maintenance cost of each conventional metal booster, and it can be seen that the boosters of the embodiments of the present application have cost advantages on the premise of satisfying the requirements of rapidness, high efficiency and safety in use.

Further, another product form of the booster of the embodiment of the present application is: the push rod 300 is matched with the first through hole 211 and can be slidably penetrated and connected with the connecting structure 200, a medicine bottle with a specific dosage of medicine is pre-installed in the medicine bin 100, and the first buckling structure of the connecting structure 200 and the second buckling structure of the medicine bin 100 are connected to form a non-detachable connecting structure. That is, in this product configuration, a cartridge bottle of a predetermined amount of liquid medicine, for example, 2ml of anesthetic, is pre-loaded into the booster of the embodiment of the present application, and one end of the push rod 300 abuts against a movable rubber plug of the cartridge bottle. Can be with the booster of installing the cassette bottle of presetting dose liquid medicine independently packing behind the disinfection under this product form to medical staff directly takes out the booster of this kind of product state from aseptic package after, only need install disposable syringe needle at syringe needle connection structure 120 department of medicine storehouse 100 and can use, further save the process that medical staff installed the medicine bottle, be used for the doctor to carry out the scene of rapid injection, improve booster service speed, also reduce the contaminated risk of booster.

Based on the above understanding, a more detailed embodiment of the booster of the present application is described below.

Concretely, for making in this application booster the first buckle structure of connection structure 200 and the second buckle structure of medicine storehouse 100 form non-detachable structure, first buckle structure and second buckle structure can take the ratchet and the ratchet groove structure of mutually supporting, and be located the holistic inside that medicine storehouse 100 and connection structure 200 formed when ratchet and ratchet groove cooperation are connected, people just so can't make the ratchet break away from the ratchet groove from the booster outside, and then can't realize the disassembling to medicine storehouse 100 and connection structure 200, the powerful guarantee is installed into the non-replaceable of medicine bottle in medicine storehouse 100 and is taken out, and then guarantee this application booster's disposable. For example, when the first snap feature is a ratchet, the second snap feature is a ratchet slot; when the first buckle structure is a ratchet groove, the second buckle structure is a ratchet.

More specifically, according to different installation manners of the first fastening structure and the second fastening structure, the first fastening structure at the second end of the connection structure 200 in the booster of the embodiment of the present application may be a radial fastening structure, and the first fastening structure is preferably a ratchet groove located on the inner wall of the connection structure 200, and the ratchet groove is a blind hole with a right-angled triangle section; the second snap structure of the cartridge 100, which is adapted to connect with the first snap structure, should also be a radial snap structure, and the second snap structure is preferably a ratchet located on the outer wall of the first end of the cartridge 100, and the ratchet is a protrusion with a generally right triangle cross section, such as the second snap structure 110 located on the outer wall of the first end of the cartridge 100 shown in fig. 1. What so called radial formula buckle structure shows can realize the cooperation at specific position after first buckle structure and second buckle structure need rotate along the unidirectional, and the first buckle structure of this application embodiment can block after being connected with the cooperation of second buckle structure, no longer can rotate. It can be seen that, because radial buckle structure needs first buckle structure and second buckle structure to rotate the back and carry out the cooperation and connect, the prerequisite just so needs first buckle structure and second buckle structure to be located same rotation plane, this application embodiment connection structure 200 second end preferred is equipped with the guide way, and the first end outer wall of medicine storehouse 100 is equipped with the guide block with this guide way adaptation, this guide block can be along the guide way second buckle structure on the guide way guide medicine storehouse 100 and the first buckle structure of connection structure 200 cunning to same rotation plane, then the guide block makes the second buckle structure of medicine storehouse 100 and the first buckle structure realization cooperation of connection structure 200 be connected after the further rotatory certain angle of guide way.

It is understood that the first snap structure at the second end of the connecting structure 200 in the booster of the embodiment of the present application may also be a longitudinal type snap structure, and the first snap structure is preferably a ratchet groove located on the inner wall of the connecting structure; the second snap structure of the cartridge 100, which is adapted to connect with the first snap structure, should also be a longitudinal snap structure, and the second snap structure is preferably a ratchet at the first end of the cartridge 100, the ratchet is a protrusion with a right triangle cross section, and the ratchet has a certain elastic deformation capability. The longitudinal buckling structure is characterized in that the first buckling structure and the second buckling structure can be connected in a matched mode at a specific position after being sleeved along the length direction (namely the longitudinal direction) of the booster, and the first buckling structure and the second buckling structure in the embodiment of the application can be clamped after being connected in a matched mode and can not move longitudinally. Further, in order to make the second buckle structure smoothly be connected with the first buckle structure in a matched manner, a corresponding guide groove can be formed in the inner wall of the connecting structure 200, the guide groove is used for guiding the second buckle structure of the medicine bin 100 to slide to the first buckle structure to realize matched connection, a guide block does not need to be formed on the medicine bin 100, and the second buckle structure has the function of the guide block in the longitudinal installation mode.

It can be understood that, since the cartridge 100 and the connecting structure 200 of the embodiment of the present application are both tubular, the connecting structure 200 and the cartridge 100 sleeved with each other may be provided with a plurality of first and second snap structures that are engaged with each other, and the number of the first and second snap structures that are engaged with each other is not limited herein.

Specifically, referring to fig. 3, a first end of the connection structure 200 of the booster according to the embodiment of the present application may symmetrically extend in a radial direction to form a handheld portion 203, where the handheld portion 203 is used to facilitate the fixing of the booster by the fingers of the medical staff. The first end of the push rod 300 of the booster of the embodiment of the present application is further provided with a push rod ring 320, which is used for facilitating the thumb of the medical staff to control the propelling amount of the push rod body 310. The cross-section of the putter body 310 of the putter 300 may be "+", circular, etc. Further, referring to fig. 14 and fig. 15, the second end of the push rod body 310 of the push rod 300 of the booster of the present application may be detachably connected with a rubber pad 330, a metal piercing hook or a metal thread drill 340, etc. to achieve different types of abutment between the push rod body 310 and the movable rubber plug 420 of the medicine bottle 400. The push rod body 310 is contacted with the movable rubber plug 420 of the medicine bottle 400 through the rubber pad 330, so that the process of injecting the liquid medicine by using the booster is softer, and the booster is more suitable for injecting the strong or irritant liquid medicine; when the push rod body 310 is connected with the movable rubber plug 420 of the medicine bottle 400 in an intrusive mode through the metal piercing hook or the metal thread drill 340, the push rod 300 is integrally connected with the movable rubber plug 420, and some use scenes with suction requirements can be met. It is understood that when the metal thread drill 340 is detachably connected to the second end of the push rod body 310, the rubber pad 330 may be detachably connected to the second end of the push rod body 310; the metal thread drill 340 is specifically: a thread 342 is formed at the second end of the bit body 341, a push rod connecting block 344 cooperatively connected with the push rod body 310 is formed at the second end of the bit body 341, and a rubber pad connecting block 343 in which the rubber pad 330 is installed is formed between the thread 342 of the bit body 341 and the push rod connecting block 344. When the metal thread drill 340 is connected to the second end of the push rod body 310 through the push rod connecting block 344, the rubber pad 330 can be connected to the rubber pad connecting block 343 of the metal thread drill 340 in a matching manner, and the push rod 300 can meet the use requirements of various scenes.

Further, referring to fig. 2, the traditional Chinese medicine bin 100 of the booster of the embodiment of the present application has an observation window 150, and the observation window 150 may be a transparent observation area disposed on the medicine bin 100; this observation window 150 can also be the fretwork formation on medicine storehouse 100, when observation window 150 is the fretwork formation, the observation window 150 that the fretwork formed should be not enough to let the medicine bottle 400 of installing in medicine storehouse 100 take out, in order to guarantee the disposable use of this application embodiment booster, this observation window 150 preferred can incessantly see whole medicine bottle 400 portable plug 420 and sealed plug 430, in order to learn whether the needle tubing 520 of disposable syringe needle 500 punctures into the medicine bottle successfully through observing sealed plug 430, learn injection volume's how much through the amount of movement of observing portable plug 420. It should be noted that a scale 160 is disposed beside the viewing window 150 on the cartridge 100, and the scale 160 is preferably located at a zero position in the direction of the needle connecting structure 120 of the cartridge 100.

Further, referring to fig. 4 and 5, the connection structure 200 of the booster according to the embodiment of the present disclosure may include: a hand sleeve 210 and a connecting sleeve 220. The handheld sleeve 210 is tubular, the first end surface of the handheld sleeve 210 is the first end surface 201 of the connecting structure 200, the first through hole of the first end surface of the handheld sleeve 210 is the first through hole 202 of the first end surface 201 of the connecting structure 200, and the inner wall of the handheld sleeve 210 has a radial groove and an axial groove. The connecting sleeve 220 is tubular, the connecting sleeve 220 can be mounted in the handheld sleeve 210 in an embedded manner, the outer wall of the connecting sleeve 220 is provided with a radial convex rib 221 matched with the radial groove of the handheld sleeve 210 and an axial convex rib 222 matched with the axial groove, the axial convex rib 222 and the axial groove are mutually matched and connected to enable the connecting sleeve 220 and the handheld sleeve 210 to achieve cooperative limitation in the direction of rotational freedom, and the radial convex rib 221 and the axial groove are mutually matched and connected to enable the connecting sleeve 220 and the handheld sleeve 210 to achieve limitation in the direction of axial (longitudinal) freedom. And the radial ribs 221 and the radial grooves are in interference fit, so that the connecting sleeve 220 and the handheld sleeve 210 cannot be easily detached or even detached after being connected in a fit manner. The second end of the connection sleeve 220 has a first snap structure 223 of the connection structure 200 and the guide groove is mainly formed in the connection sleeve 220 when the guide groove is required in the connection structure 200. As shown in fig. 5, when the first engaging structure 223 is a ratchet groove of a radial engaging structure, the connecting sleeve 220 may be provided with a corresponding guide groove, the guide groove includes a longitudinal guide groove 224 and a radial rotation guide groove 225, the longitudinal guide groove 224 is used for guiding the guide block 130 at the first end of the cartridge 100 to be sleeved into the connecting sleeve 220 in the axial direction, and the first engaging structure 223 and the second engaging structure 110 are located in the same rotation plane, the radial rotation guide groove 225 is used for guiding the guide block 130 at the first end of the cartridge 100 to rotate in the radial direction, so that the second engaging structure 110 is in fit connection with the first engaging structure 223, when the first engaging structure 223 is in fit connection with the second engaging structure 110, the guide block 130 also just reaches the limit position of the radial rotation guide groove 225, at this time, because the first engaging structure 223 is a ratchet groove of a radial engaging structure, the second engaging structure 110, the property that the ratchets and the ratchet grooves can only slide in one direction enables the medicine bin 100 not to rotate backwards, and the guide block 130 just reaches the limit position of the radial rotating guide groove 225 so that the medicine bin 100 can not rotate forwards, thereby realizing the non-detachable connection of the medicine bin 100 and the connecting sleeve 220, and the non-detachable connection of the medicine bin 100, the connecting sleeve 220 and the hand-held sleeve 210 can be realized as the connecting sleeve 220 and the hand-held sleeve 210 are not detachable.

It can be understood that the inner wall of the handheld sleeve 210 in the embodiment of the present disclosure may also be a radial rib and an axial rib, and then the outer wall of the corresponding connecting sleeve 220 has a radial groove adapted to the radial rib and an axial groove adapted to the axial rib, as long as the fixed non-detachable connection between the handheld sleeve 210 and the connecting sleeve 220 can be realized, the connection manner between the handheld sleeve 210 and the connecting sleeve 220 is not limited herein. In this embodiment, the connecting structure 200 is divided into two parts, i.e., the connecting sleeve 210 and the handheld sleeve 220, and then the two parts are connected in a matching manner by the above-mentioned fixing connection, so that too many characteristic details are concentrated on a single connecting structure 200, and thus the production cost of a single part is too high. In the above-mentioned embodiments, after the connection structure 200 is divided into the connection sleeve 210 and the hand-held sleeve 220, although the total feature details are increased (the connection features between the hand-held sleeve 210 and the connection sleeve 220 are increased), the details of the individual parts are decreased, and complicated features such as the need to form a guide groove on the inner wall of the connection structure 200 are avoided, and the need to form a guide groove on the inner wall of the connection structure 200 is changed into the longitudinal guide groove 224 and the radial rotation guide groove 225 which are hollowed out on the connection sleeve 210. In the case of the present mass manufacturing process using the mold, the cost of forming the hollow longitudinal guide groove 224 and the radial rotation guide groove 225 on the connection sleeve 210 is lower than that of forming the guide groove on the connection structure 200, and after the connection sleeve 220 and the hand-held sleeve 210 are installed in cooperation, the guide groove with the same function can be formed.

Further, the adapter sleeve 220 of the booster of the embodiment of the present application includes: a cartridge housing, a pusher housing 230. Wherein, the outer wall of the medicine bin sleeve is used for being in adaptive connection with the handheld sleeve 210, the inner wall of the medicine bin sleeve is used for being in adaptive connection with the outer wall of the medicine bin 100, and the inner wall of the medicine bin sleeve is also used for being in adaptive connection with the push rod sleeve 230. The following examples are given for illustration:

in one of the application embodiments, please refer to fig. 5, fig. 6 and fig. 7, the cartridge housing of the booster is tubular, the outer wall of the cartridge housing has a radial rib and an axial rib or a radial groove and an axial groove of the connection sleeve 220, the second end of the cartridge housing has the first snap structure of the above embodiment, and the second end of the cartridge housing has a guide groove, that is, the cartridge housing has all the features of the connection sleeve 220; in addition, push rod sleeve 230 is tubular, push rod sleeve 230 is fixedly sleeved in the drug bin sleeve, for example, push rod sleeve 230 is integrally connected with drug bin sleeve 220 through connecting part 232. The push rod sleeve 230 has a third through hole 2311 cooperatively connected with the push rod body 310 of the push rod 300, and the third through hole 2311 is adapted to the push rod body 310, so that the push rod body 310 simultaneously penetrates the first through hole 202 and the third through hole 2311, and the slide of the push rod 300 in the connecting structure 200 is more stable. It is worth noting that the diameter of the outer wall of the push rod sleeve 230 is smaller than the diameter of the inner wall of the medicine bin 100, so that the push rod sleeve 230 can extend into the medicine bin 100 in the installation process of the connecting structure 200 and the medicine bin 100, the second end face of the second end of the push rod sleeve 230 preferably just abuts against the first end face of the first end of the medicine bottle 400 (the first end of the medicine bottle 400 refers to the end with the movable rubber plug 420), the push rod sleeve 230 plays a role in limiting the medicine bottle 400 to move upwards, so that the medicine bottle 400 is more stably installed in the medicine bin 100, and the push rod body 310 can more smoothly and accurately enter the medicine bottle 400 to abut against or invade the movable rubber plug 420. And stretch into the deformation of the first end of medicine storehouse 100 further to push rod cover 230 of medicine storehouse 100 inner wall and the medicine storehouse cover 220 that is located the 100 outer walls of medicine storehouse for medicine storehouse 100 can not make first buckle structure and second buckle structure break away from the connection through inside deformation, ensures the connection reliability of first buckle structure and second buckle structure.

In another embodiment, please refer to fig. 8 and 9, the cartridge sleeve of the booster is tubular, the outer wall of the cartridge sleeve has a radial rib and an axial rib or a radial groove and an axial groove of the connection sleeve 220, the second end of the cartridge sleeve has the first snap structure of the above embodiment, and the second end of the cartridge sleeve has a guide groove, that is, the cartridge sleeve has all the features of the connection sleeve 220; in addition, the push rod sleeve 230 is tubular, the push rod sleeve 230 is sleeved in the medicine bin sleeve, the push rod sleeve 230 is provided with a third through hole which is connected with the push rod body 310 of the push rod 300 in a matching manner, the third through hole is used for installing the push rod body 310 in a matching manner, so that the push rod body 310 penetrates through the first through hole and the third through hole in a matching manner, and the push rod 300 can slide more stably in the connecting structure 200. For example, the inner wall of the cartridge housing 220 of this embodiment has a third annular protrusion 227; the push rod sleeve 230 is tubular, the outer diameter of the push rod sleeve 230 is smaller than the inner diameter of the third annular bump 227, the outer wall of the push rod sleeve 230 is provided with a fourth annular bump 233, the outer diameter of the fourth annular bump 233 is larger than the inner diameter of the third annular bump 277, and the outer diameter of the fourth annular bump 233 is smaller than the inner diameter of the medicine bin sleeve, so that the fourth annular bump 233 is fixedly limited between the third annular bump 227 and the first end face of the handheld sleeve 210, and the fixed connection between the push rod sleeve 230 and the medicine bin sleeve is realized. This application embodiment is divided into medicine storehouse cover and push rod cover 230 with adapter sleeve 220, then matches through above-mentioned fixed connection's mode and connects, can avoid too much characteristic detail structure to concentrate on single adapter sleeve 220 to the manufacturing cost who leads to single spare part is too high. Similarly, the outer wall diameter of the push rod sleeve 230 implemented in the present application is less than the inner wall diameter of the drug bin 100, the push rod sleeve 230 can stretch into the drug bin 100 in the installation process of the connection structure 200 and the drug bin 100, the second end face of the second end of the push rod sleeve 230 preferably just abuts against the first end face of the first end of the drug bottle 400 (the first end of the drug bottle 400 refers to the end with the movable rubber plug 420), the push rod sleeve 230 plays a role in limiting the upward movement of the drug bottle 400, the drug bottle 400 is more stably installed in the drug bin 100, and the push rod body 310 more smoothly and accurately enters the drug bottle 400 to abut against or invade the movable rubber plug 420. And stretch into the deformation of the first end of medicine storehouse 100 further to push rod cover 230 of medicine storehouse 100 inner wall and the medicine storehouse cover 220 that is located the 100 outer walls of medicine storehouse for medicine storehouse 100 can not make first buckle structure and second buckle structure break away from the connection through inside deformation, ensures the connection reliability of first buckle structure and second buckle structure.

In another embodiment, with continuing reference to fig. 8 and 9, the booster of the embodiment of the present application further includes: the coil spring 600, the difference of this embodiment from the above embodiments is: when the fourth annular protrusion 233 is constrained between the third annular protrusion 227 and the first end surface of the handheld sleeve 210, a predetermined distance is provided between the third annular protrusion 227 and the first end surface of the handheld sleeve 210, so that the fourth annular protrusion 233 can slide within the predetermined distance. That is, the pusher sleeve 230 may slide back and forth a predetermined distance within the cartridge sleeve 220. At this time, the push rod 300 is fitted into the first through hole 202 and slidably penetrates through the handle sleeve 210, and the push rod 300 is fitted into the third through hole 2311 and slidably penetrates through the push rod sleeve 230. The push rod 300 is sleeved with the pre-tightening spring 600, one end of the pre-tightening spring 600 abuts against the third annular projection 231 on the inner wall of the push rod sleeve 230, and the other end of the pre-tightening spring 600 abuts against the first end surface of the handheld sleeve 210, so that the push rod sleeve 230 keeps the fourth annular projection 233 abutting against the third annular projection 227 under the pre-tightening force of the pre-tightening spring 600. Push rod sleeve 230 of this application embodiment booster has certain regulating power of length direction for medicine storehouse 100 can the adaptation install the medicine bottle of different length, that is to say, connection structure 200 of this application embodiment when being connected with medicine storehouse 100, push rod sleeve 230 among connection structure 200 can make push rod sleeve 230's second terminal surface butt first end terminal surface of medicine bottle 400 first end (medicine bottle 400 first end is the one end that has portable plug 420) under the pretightning force effect of pretension spring 600 adaptation ground, push rod sleeve 230 plays the effect of restriction medicine bottle 400 up-shifting, make medicine bottle 400 stably install in medicine storehouse 100.

With reference to fig. 10, 11, 12 and 13, when the cross section of the push rod body 310 of the push rod 300 in the booster of the embodiment of the present application is circular and the hand sleeve 210 is screwed with the cartridge sleeve 220, the inner wall of the first end surface of the hand sleeve 210 may be provided with the first ratchet 204, and the first end of the push rod sleeve 230 may be provided with the second ratchet 234 adapted to the first ratchet 204. The embodiment of the application can realize that: when the medicine bottle 400 is arranged in the medicine bin 100, the connecting structure 200 is connected with the medicine bin 100 and cannot be detached; when the medicine bin 100 is not provided with the medicine bottle 400, the connecting structure 200 is detachable after being connected with the medicine bin 100; so as to avoid the waste caused by mistakenly connecting the medicine bin 100 with the connecting structure 200 when the medicine bottle 400 is not loaded into the medicine bin 100. Examples are as follows:

the handheld sleeve 210 of the booster of the embodiment is tubular, the inner wall of the first end of the handheld sleeve 210 is provided with a thread groove, the first end face of the handheld sleeve 210 is provided with the first through hole 202, and the inner wall of the first end face of the handheld sleeve 210 is provided with the first ratchet 204; the medicine bin sleeve 220 is tubular, the outer wall of the first end of the medicine bin sleeve 220 is provided with a thread tooth matched with the thread groove, the second end of the medicine bin sleeve 220 is provided with the first buckle structure, the first buckle structure of the medicine bin sleeve 220 is a ratchet hole in the embodiment, the second end of the medicine bin sleeve 220 is provided with a guide groove, and the inner wall of the medicine bin sleeve 220 is provided with a first annular bump 228; in addition, the push rod sleeve 230 is tubular, the outer diameter of the push rod sleeve 230 is smaller than the inner diameter of the first annular projection 228, the outer wall of the first end of the push rod sleeve 230 is provided with a second annular projection 236, the outer diameter of the second annular projection 236 is larger than the inner diameter of the first annular projection 228 and smaller than the inner diameter of the drug cartridge sleeve 230, so as to limit the second annular projection 236 between the first annular projection 228 and the first end face of the hand-held sleeve 210, a preset distance is provided between the first annular projection 228 and the first end face of the hand-held sleeve 210, and the second annular projection 236 can slide within the preset distance, that is, the push rod sleeve 230 can be slidably sleeved in the drug cartridge sleeve 220. In addition, a notch 229 is formed in the first annular projection 228, a convex rib 232 is arranged on the outer wall surface of the push rod sleeve 230 corresponding to the notch 229, and when the second annular projection 236 is fixedly limited between the inner end surface of the first end of the hand-held sleeve 210 and the first annular projection 228, the convex rib 232 is just positioned in the notch 229, so that the rotation freedom degree of the push rod sleeve 230 is limited, and the push rod sleeve 230 can only slide within a preset distance length in the medicine cartridge sleeve 220 but cannot rotate. The pre-tightening spring 600 is sleeved on the push rod body 310 of the push rod 300, one end of the pre-tightening spring 600 abuts against the third annular projection 235 on the inner wall of the push rod sleeve 230, and the other end of the pre-tightening spring 600 abuts against the inner wall of the first end face of the handheld sleeve 210, so that the push rod sleeve 230 keeps the second annular projection 236 abutting against the first annular projection 228 under the pre-tightening force of the pre-tightening spring 600. In addition, a first ratchet 234 is arranged on a first end face of the push rod sleeve 230, and a second end face of the push rod sleeve 230 can extend into the medicine bin 100; the first end inner wall of the first end of the glove 210 is provided with a second ratchet 204 that engages the first ratchet 234. When the connecting structure 200 is not connected with the cartridge 100, the third annular protrusion 235 of the push rod sleeve 230 keeps the second annular protrusion 236 abutting against the first annular protrusion 228 under the pre-tightening force of the pre-tightening spring 600, the first ratchet 234 at the first end of the push rod sleeve 230 is spaced from the second ratchet 204 of the hand-held sleeve 210, and at this time, because the hand-held sleeve 210 is in threaded connection with the cartridge sleeve 220, the hand-held sleeve 210 and the cartridge sleeve 220 can be separated or installed through rotation.

When the connecting structure 200 is connected to the medicine bin 100 with the medicine bottle 400 installed therein, since the diameter of the outer wall of the push rod sleeve 230 of the booster is smaller than the diameter of the inner wall of the medicine bin 100, the push rod sleeve 230 can extend into the medicine bin 100 during the installation of the connecting structure 200 and the medicine bin 100, the second end face of the second end of the push rod sleeve 230 preferably just abuts against the first end face of the first end of the medicine bottle 400 (the first end of the medicine bottle 400 refers to the end with the movable rubber plug 420), and along with the matching connection process of the first buckling structure of the medicine bin sleeve 220 and the second buckling structure of the medicine bin 100 of the connecting structure 200, the connecting structure 200 will gradually approach to the medicine bin 100 and realize the matching connection, the push rod sleeve 230 of this embodiment is gradually squeezed by the medicine bottle 400 to overcome the pre-tightening force of the pre-tightening spring 600 so as to further compress the spiral spring 600, and finally make the first ratchet 234 of the push rod sleeve 600 match with the second ratchet 204 of the hand-held sleeve 210, at this time, if the hand-held sleeve 210 is already in threaded connection with the medicine bin sleeve 220, and the matching connection of the first ratchet 234 and the second ratchet 204 can limit the rotation of the hand-held sleeve 210 relative to the medicine bin sleeve 220 in one rotation direction, which is exactly the rotation direction of the hand-held sleeve 210 separated from the medicine bin sleeve 220, it can be seen that when the medicine bottle 400 is installed in the medicine bin 100, the connecting structure 200 is not detachable after being connected with the medicine bin 100, and the disposable use of the booster for placing the medicine bottle 400 is ensured.

When the connecting structure 200 is connected with the cartridge 100 without the medicine bottle 400, the push rod sleeve 230 is not squeezed by the medicine bottle 400, the third annular projection 235 of the push rod sleeve 230 still keeps the second annular projection 236 abutting against the first annular projection 228 under the pre-tightening force of the pre-tightening spring 600, the first ratchet 234 at the first end of the push rod sleeve 230 is still at a certain distance from the second ratchet 204 of the hand sleeve 210, at this time, because the hand sleeve 210 is in threaded connection with the cartridge sleeve 220, the hand sleeve 210 can be separated from the cartridge sleeve 220 through rotation, when the cartridge sleeve 220 loses the peripheral protection of the hand sleeve 210, the ratchet hole serving as the first buckle structure on the cartridge sleeve 220 is exposed, at this time, the second buckle structure ratchet in fit connection with the ratchet hole can be manually disconnected, then, the cartridge sleeve 220 can be separated from the cartridge 100, and then the hand sleeve 210 is in threaded connection with the cartridge sleeve 220, i.e. separation of the connecting structure 200 from the cartridge 100 is achieved. It can be seen that, when the medicine bottle 400 is not installed in the medicine bin 100, the connection structure 200 is detachable after being connected with the medicine bin 100, so as to avoid waste caused by mistakenly connecting the medicine bin 100 with the connection structure 200 when the medicine bottle 400 is not loaded into the medicine bin 100.

It should be noted that, the booster according to the embodiment of the present application may further include: a friction sleeve (not shown). This friction cover has the fourth through-hole of being connected with the push rod cooperation, and the friction cover is established outside the push rod body 310 of push rod 300 and is fixed in the push rod cover, and this friction cover has the friction of predetermineeing coefficient of friction with push rod body 310 surface for this application embodiment booster can realize the setting of different frictional forces through changing the friction cover.

The above description of the present application with reference to specific embodiments is not intended to limit the present application to these embodiments. For those skilled in the art to which the present application pertains, several changes and substitutions may be made without departing from the spirit of the present application, and these changes and substitutions should be considered to fall within the scope of the present application.

Claims (10)

1. A booster, comprising: push rod, linkage, medicine storehouse;

the connecting structure is tubular, a first through hole in matched connection with the push rod is formed in the first end face of the connecting structure, and a first buckle structure is arranged at the second end of the connecting structure;

the medicine bin is tubular, a second buckle structure matched with the first buckle structure is arranged at the first end of the medicine bin, a needle head connecting structure is arranged at the second end of the medicine bin, and a non-detachable connecting structure is formed when the first buckle structure and the second buckle structure are matched and connected;

the push rod is matched with the first through hole and is connected with the connecting structure in a penetrating mode in a sliding mode.

2. The booster of claim 1, wherein the first snap feature is a radial snap feature, the second end of the connecting feature having a guide slot;

the first end of the medicine bin is provided with a guide block matched with the guide groove.

3. The booster of claim 2, further comprising: pre-tightening the spring;

the connection structure includes: a hand-held sleeve, a medicine bin sleeve and a push rod sleeve;

the handheld sleeve is tubular, a thread groove is formed in the inner wall of the first end of the handheld sleeve, the first through hole is formed in the first end face of the handheld sleeve, and a first ratchet is arranged on the inner wall of the first end face of the handheld sleeve;

the medicine bin sleeve is tubular, the outer wall of the first end of the medicine bin sleeve is provided with a thread tooth matched with the thread groove, the second end of the medicine bin sleeve is provided with the first buckle structure, the second end of the medicine bin sleeve is provided with the guide groove, and the inner wall of the medicine bin sleeve is provided with a first annular bump;

the push rod sleeve is tubular, the outer diameter of the push rod sleeve is smaller than the inner diameter of the first annular bump, the outer wall of the first end of the push rod sleeve is provided with a second annular bump, the outer diameter of the second annular bump is larger than the inner diameter of the first annular bump and smaller than the inner diameter of the medicine bin sleeve, so that the second annular bump is limited between the first annular bump and the first end face of the handheld sleeve, a preset distance is reserved between the first annular bump and the first end face of the handheld sleeve, the second annular bump can slide in the preset distance, the push rod sleeve is provided with a second through hole in matched connection with the push rod, the second end of the push rod sleeve can extend into the medicine bin sleeve, and the first end of the push rod sleeve is provided with a second ratchet matched with the first ratchet;

the push rod is matched with the first through hole and can be slidably connected with the handheld sleeve in a penetrating manner, the push rod is matched with the second through hole and can be slidably connected with the push rod sleeve in a penetrating manner, and the cross section of the push rod is circular;

the push rod is sleeved with the pre-tightening spring, one end of the pre-tightening spring is abutted to the third annular bump on the inner wall of the push rod sleeve, and the other end of the pre-tightening spring is abutted to the first end face of the handheld sleeve, so that the push rod sleeve keeps the second annular bump abutted to the first annular bump under the action of the pre-tightening force of the pre-tightening spring.

4. The booster of claim 2, wherein the connection structure comprises: a hand-held sleeve and a connecting sleeve;

the handheld sleeve is tubular, the first end face of the handheld sleeve is provided with the first through hole, and the inner wall of the handheld sleeve is provided with a radial groove and an axial groove;

the connecting sleeve is tubular and can be embedded in the handheld sleeve, the outer wall of the connecting sleeve is provided with a radial convex rib matched with the radial groove and an axial convex rib matched with the axial groove, the second end of the connecting sleeve is provided with the first buckle structure, and the second end of the connecting sleeve is provided with the guide groove;

or the like, or, alternatively,

the handheld sleeve is tubular, the first end face of the handheld sleeve is provided with the first through hole, and the inner wall of the handheld sleeve is provided with a radial convex rib and an axial convex rib;

the connecting sleeve is tubular, the connecting sleeve can be installed in the handheld sleeve in an embedded mode, the outer wall of the connecting sleeve is provided with a radial groove matched with the radial convex rib and an axial groove matched with the axial convex rib, the second end of the connecting sleeve is provided with the first buckling structure, and the second end of the connecting sleeve is provided with the guide groove.

5. The booster of claim 4, wherein the connection sleeve comprises: a medicine bin sleeve and a push rod sleeve;

the medicine bin sleeve is tubular, the outer wall of the medicine bin sleeve is provided with the radial convex rib and the axial convex rib or the radial groove and the axial groove, the second end of the medicine bin sleeve is provided with the first buckle structure, and the second end of the medicine bin sleeve is provided with the guide groove;

the push rod sleeve is tubular, the push rod sleeve is fixedly connected in the medicine bin sleeve, and the push rod sleeve is provided with a third through hole which is connected with the push rod in a matched mode.

6. The booster of claim 4, wherein the connection sleeve comprises: a medicine bin sleeve and a push rod sleeve;

the medicine bin sleeve is tubular, the outer wall of the medicine bin sleeve is provided with the radial convex rib and the axial convex rib or the radial groove and the axial groove, the second end of the medicine bin sleeve is provided with the first buckle structure, the second end of the medicine bin sleeve is provided with the guide groove, and the inner wall of the medicine bin sleeve is provided with a third annular convex block;

the push rod cover is the tubulose, push rod cover external diameter is less than the internal diameter of the cyclic annular lug of third, and push rod cover outer wall has fourth cyclic annular lug, the external diameter of fourth cyclic annular lug is greater than the internal diameter of the cyclic annular lug of third just is less than the internal diameter of medicine storehouse cover, in order to incite somebody to action the fixed restriction of fourth cyclic annular lug is in the cyclic annular lug of third with between the first terminal surface of handheld cover, push rod cover have with the third through-hole that the push rod cooperation is connected.

7. The booster of claim 3, 5 or 6, further comprising: a friction sleeve;

the friction sleeve is provided with a fourth through hole which is connected with the push rod in a matching way, and the friction sleeve is sleeved outside the push rod and is fixed in the push rod sleeve.

8. The booster of claim 1, wherein the second end of the push rod is removably attached with a rubber pad, a metal piercing hook, or a metal threaded drill bit.

9. The booster of claim 1, wherein the cartridge has a viewing window and a scale value.

10. The booster of claim 1, further comprising: a cartridge bottle having a preset dose of medicinal liquid;

the cartridge bottle is installed in the medicine bin in an adaptive mode, and one end of the push rod is abutted to a movable rubber plug of the cartridge bottle.

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