CN106964025B

CN106964025B - Syringe with a needle

Info

Publication number: CN106964025B
Application number: CN201710194763.8A
Authority: CN
Inventors: 王五星; 黄学良
Original assignee: Shenzhen Antmed Co ltd
Current assignee: Shenzhen Antmed Co ltd
Priority date: 2017-03-28
Filing date: 2017-03-28
Publication date: 2022-08-02
Anticipated expiration: 2037-03-28
Also published as: CN106964025A

Abstract

The invention discloses an injector which comprises a push rod device, a fixing framework and a shell, wherein the fixing framework is positioned between the push rod device and the shell, and the push rod device is partially accommodated and detachably connected in the fixing framework. The syringe of the present invention provides a syringe that avoids assembly errors.

Description

Syringe with a needle

Technical Field

The invention relates to the field of medical instruments, in particular to an injector.

Background

At present, the machine head of the existing injector adopts a plurality of parts to connect the front baffle and the rear baffle of the machine head, and the method is easy to cause assembly errors, thereby influencing the installation precision.

Disclosure of Invention

The invention mainly aims to provide a syringe, and aims to provide a syringe capable of avoiding assembly errors.

In order to achieve the above purpose, the present invention provides an injector, which includes a push rod device, a fixing frame, and a housing, wherein the fixing frame is located between the push rod device and the housing, and the push rod device is partially accommodated and detachably connected in the fixing frame.

Preferably, the push rod device includes panel and baffle subassembly, the baffle subassembly includes the backplate, the panel with the backplate is located respectively push rod device's relative both ends, the panel with the backplate all is formed with a plurality of fixed buckles, the relative both ends of fixed skeleton are formed with a plurality of fixed slots respectively, and a fixed slot is connected with a fixed buckle.

Preferably, the push rod device is further provided with a fixing piece, two opposite ends of the fixing piece are both provided with a protruding block, the panel and the rear baffle are both provided with a groove, the protruding block is connected with the groove, and the fixing framework is abutted to the fixing piece.

Preferably, the push rod device is further provided with at least two connecting rods, the panel and the rear baffle are respectively provided with at least two positioning grooves, and two opposite ends of each connecting rod are respectively connected with the panel and one positioning groove of the rear baffle.

Preferably, the baffle assembly further comprises a front baffle, the front baffle is arranged between the panel and the push rod device, a fixing hole corresponding to each fixing buckle is formed in the front baffle, and one fixing buckle is connected with one fixing hole.

Preferably, the push rod device further comprises a fixing base, the fixing base is provided with a first through hole, the fixing framework is provided with a second through hole corresponding to the first through hole, and a connecting piece penetrates through the first through hole and the second through hole and connects the fixing framework with the fixing base.

Preferably, the syringe further comprises a support rod, the housing is formed with a through hole, and an end of the support rod passes through the through hole to be connected with the fixing frame.

Preferably, the fixed framework is provided with a communicating opening, a cavity is formed in the supporting rod, and the communicating opening is communicated with the cavity.

Preferably, the syringe further comprises a first rotating assembly, one end of the first rotating assembly is sleeved on the end of the supporting rod, and the other end of the first rotating assembly penetrates through the through hole to be connected with the fixing framework.

Preferably, the syringe still including accept in first rotation assembly's locating component, first rotation assembly with locating component rotates the connection, locating component with the bracing piece is connected, locating component is equipped with a plurality of location pearls, be formed with two at least pits in the first rotation assembly. When the first rotating assembly rotates to a certain angle, a positioning ball is embedded into a concave point.

According to the technical scheme, the fixing framework is located between the push rod device and the shell, and the push rod device is partially accommodated and detachably connected into the fixing framework, so that the push rod device is effectively and stably fixed and protected, and assembly errors are effectively avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is an exploded view of a syringe according to one embodiment of the present invention;

fig. 2 is a partially exploded view of the injector of fig. 1.

Description of the figures of the invention:

the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The invention provides an injector.

Referring to fig. 1 to 2, in an embodiment of the present invention, the injector includes a pushing rod device 10, a fixing frame 2, and a housing 3, the fixing frame 2 is located between the pushing rod device 10 and the housing 3, and the pushing rod device 10 is partially accommodated and detachably connected in the fixing frame 2.

The fixed framework 2 can be made of plastic materials or light alloy materials and can be produced in an integrated injection molding mode; the shell 3 can be made of plastic materials or light alloy materials, and can be produced in an integrated injection molding mode, so that production is facilitated, and production efficiency is improved.

According to the technical scheme, the fixing framework 2 is located between the push rod device 10 and the shell 3, and the push rod device 10 is partially accommodated and detachably connected in the fixing framework 2, so that the push rod device 10 is effectively and stably fixed and protected, and assembly errors are effectively avoided.

Specifically, the putter device 10 of this embodiment includes the panel 11 and the baffle assembly, the baffle assembly includes the back plate 122, the panel 11 and the back plate 122 are respectively disposed at two opposite ends of the putter device 10, the panel 11 and the back plate 122 are both formed with a plurality of fixing fasteners 111, two opposite ends of the fixing frame 2 are respectively formed with a plurality of fixing grooves 21, and one fixing groove 21 is connected with one fixing fastener 111.

Panel 11 and backplate 122 all can be the plastic material or the alloy material of light, and its accessible is integrative to be moulded plastics the mode production and is accomplished, is favorable to production, improves production efficiency. The fixing buckle 111 can be integrally formed with the panel 11 in the injection molding process of the panel 11 and is arranged at one end of the panel 11 opposite to the rear baffle 122; the fixing clip 111 may be integrally formed with the tailgate 122 during the injection molding of the tailgate 122, and is disposed at an end of the tailgate 122 opposite to the panel 11.

The fixing grooves 21 may be integrally formed with the fixing frame 2 during the injection molding of the fixing frame 2, and may be disposed at opposite ends of the fixing frame 2. The one end and the panel of the fixed skeleton of this embodiment are connected through a fixed slot and a fixed buckle, and the other end and the backplate of fixed skeleton are connected through a fixed slot and a fixed buckle. Obviously, the design is not limited to this, but the opposite two ends of the putter device 10 may be provided with threaded holes, the panel 11 and the rear baffle 122 are provided with through holes, and the panel 11 and the rear baffle 122 may be screwed with the putter device 10 through the through holes and the threaded holes by screws, so as to be effectively fixed and detachably connected.

The fixing frame 2 of the embodiment is connected with the fixing buckle 111 of the panel 11 or the rear baffle 122 through the fixing groove 21, so that the fixing frame is not only effectively and stably fixed, but also is convenient to detach.

Further, the push rod device 10 of the present embodiment further includes a fixing member 13, two opposite ends of the fixing member 13 are formed with a protrusion, the panel 11 and the rear baffle 122 are formed with a groove, the protrusion is connected with the groove, and the fixing frame 2 abuts against the fixing member 13.

The fixing member 13 may be made of plastic or light alloy, and may be manufactured by integral injection molding. The groove can be integrally formed with the panel 11 in the injection molding process of the panel 11 and is arranged at one end of the panel 11 opposite to the rear baffle 122; the recess may be integrally formed with the tailgate 122 during injection molding of the tailgate 122 and disposed at an end of the tailgate 122 opposite the panel 11.

Mounting 13 accessible spiro union's mode accordant connection is in fixed skeleton 2, and the spiro union mode specifically can set up the screw hole for fixed skeleton 2, and mounting 13 sets up the through-hole, and mounting 13 and fixed skeleton 2 accessible screw pass through-hole and screw hole threaded connection. This embodiment fixing piece 13 is connected through the recess detachably of lug and panel 11 and backplate 122, and fixed skeleton 2 surface is connected with fixed skeleton 2, not only effectively increases the overall structure intensity of this syringe, and the assembly precision is better moreover.

The push rod device 10 of the present embodiment further includes at least two connecting rods 14, the panel 11 and the rear baffle 122 are respectively provided with at least two positioning slots, and two opposite ends of one connecting rod 14 are respectively connected to the positioning slots of the panel 11 and the rear baffle 122.

Connecting rod 14 accessible joint's mode accordant connection in pusher assembly 10, the joint mode specifically can set up the connecting piece that has the through-hole for pusher assembly 10, and connecting rod 14 passes the through-hole and establishes ties and pusher assembly 10 on for pusher assembly 10 is whole more stable, and is effectively more steady smooth and easy at the in-process that promotes the push rod. Opposite ends of a connecting rod 14 of this embodiment are inserted into a positioning groove of the front panel 11 and the rear fender 122, respectively. Obviously, this design is not limited to this, also can be that the one end of connecting rod 14 forms the external screw thread, and panel 11 sets up the screw hole, and backplate 122 sets up positioning groove, and the one end external screw thread of connecting rod 14 and the screw hole threaded connection of panel 11, the positioning groove of the other end embedding backplate 122 not only effectively stabilizes fixed panel 11 and backplate 122, still convenient the dismantlement.

Further, the baffle assembly of the present embodiment further includes a front baffle 121, the front baffle 121 is disposed between the panel 11 and the pushing device 10, the front baffle 121 is formed with a fixing hole 1211 corresponding to each fixing clip 111, and a fixing clip 111 is connected to a fixing hole 1211.

The front baffle 121 may be made of plastic or light alloy, and may be manufactured by an integral injection molding method. The push rod device 10 is provided with at least two electric push rods, at least two positioning holes are formed in the front baffle 121 and the rear baffle 122, the front baffle 121 and the rear baffle 122 are respectively detachably connected with two opposite ends of each electric push rod through the positioning holes, and at least two electric push rods are arranged at effective intervals. The front baffle 121 of this embodiment is fixed to one end of the putter device 10, and the front baffle 121 is sleeved on the fixing buckle 111 on the panel 11 through the through hole, thereby effectively fixing the putter device 10.

The push rod device 10 of the embodiment further comprises a fixing base 15, the fixing base 15 is provided with a first through hole, the fixing framework 2 is provided with a second through hole 23 corresponding to the first through hole, and a connecting piece penetrates through the first through hole and the second through hole 23 to connect the fixing framework 2 with the fixing base 15.

The connecting piece can be for willow nail, pin, and push rod device 10's electric putter is located to fixed base 15, and when the first through-hole of connecting piece embedding and second through-hole 23, not only effectively with fixed skeleton 2 and fixed base 15 stable connection, still make things convenient for the dismouting. Obviously, the design is not limited to this, and it is also possible that the fixing base 15 is provided with a threaded hole, the fixing frame 2 and the fixing piece 13 are both provided with a through hole corresponding to the threaded hole, and a screw passes through the through hole and the threaded hole to be screwed, so as to tightly connect the fixing piece 13 with the fixing frame 2 and the fixing base 15.

In order to deal with users with different heights, the injector of the embodiment further comprises a support rod, the shell 3 is provided with a through hole 31, and the end part of the support rod passes through the through hole 31 to be connected with the fixed framework 2.

The support rod can be made of plastic materials or light alloy materials and can be produced in an integrated injection molding mode. The bracing piece can be the telescopic link, and is too high when the pusher gear 10 of syringe, the height of accessible telescopic link adjustment syringe, and fixed skeleton 2 of this embodiment sets up the screw hole, and a connecting piece one end cup joints in the tip of bracing piece, and the other end sets up the through-hole, passes through-hole and screw hole threaded connection through the screw, has effectively supported pusher gear 10. Obviously, this design is not limited to this, and also can say that the bracing piece sets up the buckle, and fixed skeleton 2 sets up the draw-in groove, and the bracing piece passes through hole 31 of shell 3 and passes through the buckle with fixed skeleton 2 and imbed the draw-in groove and form fixed connection.

One end of the supporting rod is connected with the fixed framework 2, and the other end of the supporting rod can be connected with the fixing device or the walking device, so that the injector is effectively fixed or moved.

In order to facilitate the connection of the push rod device 10 to an external power source, the fixing frame 2 of the present embodiment is provided with a communication port 22, a cavity is formed in the support rod, and the communication port 22 is communicated with the cavity.

The push rod device 10 is provided with an electric push rod, and the communication port 22 can be integrally formed with the fixed framework 2 in the integral forming process of the fixed framework 2; the cavity can be integrally formed with the supporting rod in the supporting rod integral forming process, and the axis of the supporting rod is arranged, so that production is facilitated, and production efficiency is improved. The support rod of the present embodiment is connected to the fixing frame 2, and the communication opening 22 is communicated with the cavity, so that the power line can be connected to the electric push rod of the push rod device 10 through the cavity and the communication opening 22.

Preferably, in order to access the patient to the maximum and facilitate the injection, the injector of this embodiment further includes a first rotating assembly 41, one end of the first rotating assembly 41 is sleeved on the end of the supporting rod, and the other end of the first rotating assembly 41 passes through the through hole 31 to be connected with the fixing frame 2.

The axial center of the first rotating member 41 is formed with a passage for communicating the cavity with the communication port 22. First 41 accessible spiro union's of rotating subassembly mode accordant connection in fixed skeleton 2, the spiro union mode specifically can be provided with the through-hole for first rotating subassembly 41, fixed skeleton 2 sets up the screw hole, a screw passes through-hole and screw hole threaded connection, the tip in the bracing piece is established and rotate to the pot head of the first rotating subassembly 41 of this embodiment, the other end passes through hole 31 and is connected with fixed skeleton 2, make first rotating subassembly 41 encircle the axle center rotation of bracing piece, effectively rotate push rod device 10, change push rod device 10's orientation angle.

Preferably, in order to be firmly fixed after rotating for a certain angle, the injector of the present embodiment further includes a positioning assembly 42 received in the first rotating assembly 41, the first rotating assembly 41 and the positioning assembly 42 are rotatably connected, and the positioning assembly 42 is connected to the supporting rod.

The positioning assembly 42 is provided with a plurality of positioning beads 421, at least two concave points are formed in the first rotating assembly 41, the first rotating assembly 41 comprises a positioning plate 412 and a fixing sleeve 411 connected to the fixing framework 2, an accommodating groove is formed in the fixing sleeve 411, the positioning assembly 42 is accommodated and rotatably connected in the accommodating groove, the plurality of positioning beads 421 are arranged around the axis of the positioning assembly 42, and at least two concave points are arranged around the axis of the positioning plate 412. The fixing sleeve 411 can be connected to the positioning plate 412 in a matching manner through a threaded connection, the threaded connection can specifically be achieved by arranging a threaded hole in the positioning plate 412, arranging a through hole in the fixing sleeve 411, and connecting a screw through the through hole and the threaded hole in a threaded manner. When the fixing sleeve rotates to a certain angle, the fixing sleeve drives the positioning plate 412 to rotate to a certain angle, one positioning ball 421 is embedded into a concave point, the fixing sleeve rotates to another angle, the other positioning ball 421 is embedded into a concave point, the push rod device 10 is effectively rotated to drive the first rotating assembly 41 to a certain angle, the first rotating assembly 41 can be firmly connected with the positioning assembly 42, the stability is improved, and the handle has obvious hand feeling during rotation.

The axis of the fixing sleeve 411 is provided with a second channel, the containing groove is arranged on the second channel, the axis of the positioning component 42 is provided with a third channel, the positioning plate 412 is provided with a connecting port, the fixing sleeve 411 can be connected to the fixing framework 2 or the fixing piece 13 in a matching manner in a screw connection manner, the screw connection manner can be specifically that a threaded hole is arranged on the fixing framework 2 or the fixing piece 13, the fixing sleeve 411 is provided with a through hole, and a screw penetrates through the through hole and is in threaded connection with the threaded hole. In this embodiment, one end of the first rotating component 41 is sleeved on the end of the supporting rod, the positioning component 42 is fixedly connected with the supporting rod, and the end of the first rotating component 41 departing from the supporting rod passes through the through hole 31 to be connected with the fixing framework 2, so that the second channel, the third channel and the connecting port are communicated to form a ventilation channel, the cavity and the communicating port 22 are effectively communicated, and the power line is connected to the electric push rod of the push rod device 10 through the cavity, the ventilation channel and the communicating port 22.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An injector is characterized by comprising a push rod device, a fixed framework and a shell, wherein the fixed framework is positioned between the push rod device and the shell, and the push rod device is partially accommodated and detachably connected in the fixed framework;

the push rod device comprises a panel, a baffle plate component, a fixing part, at least two connecting rods and a fixing base, the baffle plate component comprises a rear baffle plate and a front baffle plate, the panel and the rear baffle plate are respectively arranged at two opposite ends of the push rod device, a plurality of fixing buckles are respectively formed on the panel and the rear baffle plate, a plurality of fixing grooves are respectively formed at two opposite ends of the fixing framework, one fixing groove is connected with one fixing buckle, the front baffle plate is arranged between the panel and the push rod device, a fixing hole corresponding to each fixing buckle is formed on the front baffle plate, one fixing buckle is connected with one fixing hole, a convex block is formed at two opposite ends of the fixing part, a groove is formed on the panel and the rear baffle plate, one convex block is connected with one groove, the fixing framework is abutted against the fixing part, and at least two positioning grooves are formed on the panel and the rear baffle plate, the opposite ends of a connecting rod are respectively connected with the panel and a positioning groove of the rear baffle, the fixing base is provided with a first through hole, the fixing framework is provided with a second through hole corresponding to the first through hole, and a connecting piece penetrates through the first through hole and the second through hole and connects the fixing framework and the fixing base.

2. The syringe of claim 1, further comprising a support rod, wherein the housing is formed with a through-hole, and an end of the support rod is connected to the fixing frame through the through-hole.

3. The syringe of claim 2 wherein said mounting frame defines a communication port and said support shaft defines a cavity therein, said communication port communicating with said cavity.

4. The syringe of claim 2, further comprising a first rotating assembly, wherein one end of the first rotating assembly is sleeved on the end of the supporting rod, and the other end of the first rotating assembly passes through the through hole to be connected with the fixing frame.

5. The injector of claim 4, further comprising a positioning assembly received in the first rotating assembly, the first rotating assembly being rotatably coupled to the positioning assembly, the positioning assembly being coupled to the support rod.