CN209450945U - Pumping mechanism based on injecting drug use automatic governing machine - Google Patents

Abstract

The utility model relates to the pumping mechanisms based on injecting drug use automatic governing machine, including puncturing enforcement division and being mounted on the pumping portion punctured above enforcement division, it punctures enforcement division and drives the execution puncture movement of pumping portion, puncture enforcement division includes guide rail bottom plate, guide post, punctures actuating motor, punctures execution lead screw and puncture execution feed screw nut；Pumping portion includes syringe bracket, pumping spindle motor, syringe and syringe needle, syringe bracket is fixedly mounted on puncture and executes on nut seat, the rear end of syringe bracket is fixed with pumping spindle motor seat, pumping spindle motor is fixedly mounted on pumping spindle motor seat, syringe is mounted on the front end of syringe bracket, syringe needle fixing seat is further fixed on the downside of syringe bracket, syringe needle is fixed on the front end of syringe.Pumping portion is moved forward and backward by the utility model by lead-screw drive mechanism, completes puncture movement, then cooperate by another group of lead screw transmission, the piston rod of syringe is moved forward and backward, complete pumping movement, and overall co-ordination structure is simple, and at low cost, control precision is high.

Description

Pumping mechanism based on injecting drug use automatic governing machine

Technical field

The utility model relates to pharmaceutical technology fields, are based particularly on the pumping mechanism of injecting drug use automatic governing machine.

Background technique

Dependence with market to medical instrument, robot medical treatment epoch come up to us already, and medical treatment innovation has become The only way which must be passed, promoting domestic Medical Equipment Development application is in-depth medical reform, reduces the urgent need of medical treatment cost, domestic each medical treatment How mechanism operates under the new situation medical reform, and how to meet hospital is particularly important under the new situation the needs of.

The process that present most of hospitals make up a prescription, the process of substantially making up a prescription of cillin bottle pulvis.Prescription is sent to after matching coyote hole, first The reasonability of prescription is audited by pharmacist, whether there is or not incompatibility, carry out the configuration of medical fluid by nurse if there is no problem.Match in nurse Before setting medical fluid, various preparations are first carried out, such as wear gloves, disinfection.Then prescription information, drug medical instrument information etc. are checked, Print label after errorless, is labelled on medicine bottle；Then according to prescription, each XiLin is injected after extracting base fluid by prescription requirements Medical fluid is extracted out by syringe after shaking up medicament, injects in mother liquor vessel, finally check again medical fluid, empty bottle etc., nothing by bottle It is labelled stand-by after accidentally.

The advantage manually made up a prescription is to configure complicated medicament, but have many disadvantages in the heavy operating process of this repetition End: 1, the labor intensity of medical staff is increased；2, medical staff has by glass scratch or punctures the risk of wound；3, it prepares toxic It may occur in which invisible spilling when medicament, after these particles enter human body, harm is serious and lasting, including blood vessel bolt Plug, granuloma, allergic reaction, cancer reaction, heat source response, phlebitis, decrease of platelet etc.；4, because of the method fault of aspiration medicinal liquid So that particulate matter is entered liquid causes to generate secondary pollution during making up a prescription；5, it is unable to accurately control the liquid volume of pumping, Even there is blunder,pharmaceutical.So to ensure drug safety clinically and the health of medical staff, the tune of intravenous administration Enough attention should be obtained with the stage.

In automated dispensing equipment, how to complete that mother liquor vessel and cillin bottle are carried out to puncture and pumping movement is urgent need to resolve The problem of.

Utility model content

The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of based on injecting drug use automatic governing machine Pumping mechanism, pumping portion is moved forward and backward by lead-screw drive mechanism, puncture movement is completed, then passes through another group of lead screw transmission The piston rod of syringe is moved forward and backward by cooperation, completes pumping movement.

The purpose of this utility model is achieved through the following technical solutions: the pumping machine based on injecting drug use automatic governing machine Structure, including puncturing enforcement division and being mounted on the pumping portion punctured above enforcement division, the puncture enforcement division drives pumping portion to execute Puncture movement,

The puncture enforcement division includes guide rail bottom plate, guide post, punctures actuating motor, punctures execution lead screw and puncture execution silk Thick stick nut is fixed with guide supporting seat on the guide rail bottom plate, and two sides are symmetrically installed with two guide posts on the guide supporting seat, Puncture actuating motor is fixedly installed with below the guide supporting seat, the output end for puncturing actuating motor is sequentially connected with Execution lead screw is punctured, the puncture executes lead screw and is located between two guide posts, and puncture executes lead screw and two guide posts and mutually puts down Row, being slidably installed on two guide posts has puncture to execute nut seat, is fixed with puncture in the middle part of puncture execution nut seat and holds Row feed screw nut, the puncture execute feed screw nut and are connect with puncture execution lead screw by being threadedly engaged；

The pumping portion includes syringe bracket, pumping spindle motor, syringe and syringe needle, and the syringe bracket is fixedly mounted on It punctures and executes on nut seat, the rear end of the syringe bracket is fixed with pumping spindle motor seat, and the pumping spindle motor is fixed It is mounted on pumping spindle motor seat, the syringe is mounted on the front end of syringe bracket, and the downside of the syringe bracket is also fixed There is syringe needle fixing seat, the syringe needle is fixed on the front end of syringe, and the front end of the syringe needle fixing seat is fixedly connected with syringe needle.

Further, the syringe bracket includes bracket cylinder, piston seat and pumping feed screw nut, the piston seat suit In in rack tube body, the pumping spindle motor seat is fixed on the rear end of bracket cylinder, and the piston seat is hollow structure, and The tail end of piston seat is fixed with pumping feed screw nut, and the screw part and pumping feed screw nut of the pumping spindle motor pass through spiral shell Line is cooperatively connected, and is provided with syringe guide block mounting groove, the syringe guide block mounting groove along its axial direction on the inner wall of the bracket cylinder It is inside fixed with the axially extending syringe guide block along bracket cylinder, is provided with guide groove along its axial direction on the outer wall of the piston seat, institute It states syringe guide block and guide groove is slidably connected.

Further, the syringe includes syringe barrel, cylinder piston bar and cylinder piston, the tail end of the syringe barrel It is fixed on the front end of bracket cylinder, one end of the cylinder piston bar is fixedly connected with the head end of piston seat, the cylinder piston The other end of bar is fixed with cylinder piston, the inner wall sliding tight fit of the cylinder piston and syringe barrel, and the syringe needle is fixed It is mounted on the front end of syringe barrel.

Further, the pumping mechanism based on injecting drug use automatic governing machine, further includes protective cover, the protective cover is provide with In the outside for puncturing enforcement division.

Further, the puncture actuating motor and pumping spindle motor are stepper motor.

The utility model has the advantage that

1, pumping portion is moved forward and backward by lead-screw drive mechanism, completes puncture movement, then pass through another group of lead screw transmission The piston rod of syringe is moved forward and backward by cooperation, completes pumping movement, overall co-ordination structure is simple, at low cost.

2, the utility model is controlled by stepper motor and lead screw transmission, punctures and pumping operation precision is high, be convenient for Realization is precisely made up a prescription.

3, using automatic puncturing and pumping, the labor intensity of nurse is reduced, employment injuries is also can avoid, can standardize with medical abortion Journey improves working efficiency.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the utility model；

Fig. 2 is the schematic perspective view for puncturing enforcement division；

Fig. 3 is the overlooking structure diagram for puncturing enforcement division；

Fig. 4 is A-A schematic cross-sectional view in Fig. 3；

Fig. 5 is the schematic perspective view in pumping portion；

Fig. 6 is the vertical profile structural schematic diagram in pumping portion；

Fig. 7 is that pumping portion removes the schematic diagram of internal structure after pumping spindle motor；

Fig. 8 is that pumping portion removes the cross-sectional structural schematic diagram after pumping spindle motor；

In figure: 1- puncture enforcement division, 1a- guide rail bottom plate, 1b- guide supporting seat, 1c- guide post, 1d- puncture actuating motor, 1e-, which is punctured, executes lead screw, and 1f-, which is punctured, executes nut seat, and 1g-, which is punctured, executes feed screw nut, 2- pumping portion, 2a- syringe bracket, 2a1- bracket cylinder, 2a2- piston seat, 2a4- pumping feed screw nut, 2a5- syringe guide block mounting groove, 2a6- syringe guide block, 2a7- Guide groove, 2b- pumping spindle motor seat, 2c- pumping spindle motor, 2d- syringe needle fixing seat, 2e- syringe, 2e1- syringe barrel, 2e2- cylinder piston bar, 2e3- cylinder piston, 2f- syringe needle, 3- protective cover.

Specific embodiment

The utility model is further described with reference to the accompanying drawing, but the protection scope of the utility model is not limited to It is as described below.

As shown in Figure 1, the pumping mechanism based on injecting drug use automatic governing machine, including puncture enforcement division 1 and be mounted on and wear The pumping portion 2 of 1 top of enforcement division is pierced, the puncture enforcement division 1 drives pumping portion 2 to execute puncture movement,

As shown in Figure 2, Figure 3 and Figure 4, the puncture enforcement division 1 includes guide rail bottom plate 1a, guide post 1c, punctures actuating motor 1d, puncture, which execute lead screw 1e and puncture, executes feed screw nut 1g, is fixed with guide supporting seat 1b on the guide rail bottom plate 1a, described Two sides, which are symmetrically installed with, on guide supporting seat 1b is fixedly installed with puncture below two guide posts 1c, the guide supporting seat 1b and holds Row motor 1d, the output end for puncturing actuating motor 1d are sequentially connected with puncture and execute lead screw 1e, and the puncture executes lead screw 1e is located between two guide post 1c, and punctures execution lead screw 1e and two guide post 1c and be parallel to each other, and slides on two guide post 1c It is fitted with puncture and executes nut seat 1f, puncture, which executes to be fixed with to puncture in the middle part of nut seat 1f, executes feed screw nut 1g, institute It states puncture execution feed screw nut 1g and is connect with puncture execution lead screw 1e by being threadedly engaged；

As shown in figure 5, the pumping portion 2 includes syringe bracket 2a, pumping spindle motor 2c, syringe 2e and syringe needle 2f, institute It states syringe bracket 2a to be fixedly mounted on puncture execution nut seat 1f, the rear end of the syringe bracket 2a is fixed with pumping lead screw electricity Base 2b, the pumping spindle motor 2c are fixedly mounted on pumping spindle motor seat 2b, and the syringe 2e is mounted on syringe branch The front end of frame 2a is further fixed on syringe needle fixing seat 2d on the downside of the syringe bracket 2a, and the syringe needle 2f is fixed on syringe 2e's The front end of front end, the syringe needle fixing seat 2d is fixedly connected with syringe needle 2f.

Further, as shown in Fig. 6, Fig. 7 and Fig. 8, the syringe bracket 2a include bracket cylinder 2a1, piston seat 2a2 and Pumping feed screw nut 2a4, the piston seat 2a2 are set in bracket cylinder 2a1, and the pumping spindle motor seat 2b is fixed on branch The rear end of frame cylinder 2a1, the piston seat 2a2 is hollow structure, and is fixed with pumping feed screw nut in the tail end of piston seat 2a2 The screw part of 2a4, the pumping spindle motor 2c are connect with pumping feed screw nut 2a4 by being threadedly engaged, the rack tube It is provided with syringe guide block mounting groove 2a5 along its axial direction on the inner wall of body 2a1, is fixed in the syringe guide block mounting groove 2a5 along branch The axially extending syringe guide block 2a6 of frame cylinder 2a1 is provided with guide groove 2a7, institute along its axial direction on the outer wall of the piston seat 2a2 Syringe guide block 2a6 and guide groove 2a7 is stated to be slidably connected.

Further, as shown in Figure 6 and Figure 8, the syringe 2e includes syringe barrel 2e1, cylinder piston bar 2e2 and syringe The tail end of piston 2e3, the syringe barrel 2e1 are fixed on the front end of bracket cylinder 2a1, one end of the cylinder piston bar 2e2 It is fixedly connected with the head end of piston seat 2a2, the other end of the cylinder piston bar 2e2 is fixed with cylinder piston 2e3, the syringe The inner wall of piston 2e3 and syringe barrel 2e1 slides tight fit, and the syringe needle 2f is fixedly mounted on the front end of syringe barrel 2e1.

Further, as shown in Figure 1, the pumping mechanism based on injecting drug use automatic governing machine, further includes protective cover 3, institute It states protective cover 3 and covers at the outside for puncturing enforcement division 1.

Further, the puncture actuating motor 1d and pumping spindle motor 2c is stepper motor.

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 (5)

1. the pumping mechanism based on injecting drug use automatic governing machine, it is characterised in that: worn including puncturing enforcement division (1) and being mounted on The pumping portion (2) above enforcement division (1) is pierced, the puncture enforcement division (1) drives pumping portion (2) to execute puncture movement,

The puncture enforcement division (1) includes guide rail bottom plate (1a), guide post (1c), punctures actuating motor (1d), punctures execution lead screw (1e) and execution feed screw nut (1g) is punctured, is fixed with guide supporting seat (1b) on the guide rail bottom plate (1a), the guide rail branch Two sides are symmetrically installed with two guide posts (1c) in support seat (1b), are fixedly installed with puncture below the guide supporting seat (1b) and hold Row motor (1d), the output end for puncturing actuating motor (1d) are sequentially connected with puncture and execute lead screw (1e), and the puncture is held Row lead screw (1e) is located between two guide posts (1c), and punctures execution lead screw (1e) and be parallel to each other with two guide posts (1c), two Being slidably installed on root guide post (1c) has puncture to execute nut seat (1f), punctures to execute to be fixed in the middle part of nut seat (1f) and wear Thorn executes feed screw nut (1g), and the puncture executes feed screw nut (1g) and puncture executes lead screw (1e) and passes through the company of being threadedly engaged It connects；

The pumping portion (2) includes syringe bracket (2a), pumping spindle motor (2c), syringe (2e) and syringe needle (2f), the needle Tube stent (2a) is fixedly mounted on puncture and executes on nut seat (1f), and the rear end of the syringe bracket (2a) is fixed with pumping lead screw Motor cabinet (2b), the pumping spindle motor (2c) are fixedly mounted on pumping spindle motor seat (2b), syringe (2e) peace Mounted in the front end of syringe bracket (2a), syringe needle fixing seat (2d), the syringe needle are further fixed on the downside of the syringe bracket (2a) (2f) is fixed on the front end of syringe (2e), and the front end of the syringe needle fixing seat (2d) is fixedly connected with syringe needle (2f).

2. the pumping mechanism according to claim 1 based on injecting drug use automatic governing machine, it is characterised in that: the syringe Bracket (2a) includes bracket cylinder (2a1), piston seat (2a2) and pumping feed screw nut (2a4), piston seat (2a2) suit In bracket cylinder (2a1), the pumping spindle motor seat (2b) is fixed on the rear end of bracket cylinder (2a1), the piston seat (2a2) is hollow structure, and is fixed with pumping feed screw nut (2a4) in the tail end of piston seat (2a2), the pumping spindle motor The screw part of (2c) is connect with pumping feed screw nut (2a4) by being threadedly engaged, edge on the inner wall of the bracket cylinder (2a1) Its axial direction is provided with syringe guide block mounting groove (2a5), is fixed in the syringe guide block mounting groove (2a5) along bracket cylinder (2a1) Axially extending syringe guide block (2a6), be provided with guide groove (2a7), the needle along its axial direction on the outer wall of the piston seat (2a2) Cylinder guide block (2a6) and guide groove (2a7) is slidably connected.

3. the pumping mechanism according to claim 2 based on injecting drug use automatic governing machine, it is characterised in that: the syringe (2e) includes syringe barrel (2e1), cylinder piston bar (2e2) and cylinder piston (2e3), the tail end of the syringe barrel (2e1) It is fixed on the front end of bracket cylinder (2a1), one end of the cylinder piston bar (2e2) and the fixed company of the head end of piston seat (2a2) It connects, the other end of the cylinder piston bar (2e2) is fixed with cylinder piston (2e3), the cylinder piston (2e3) and syringe barrel The inner wall of (2e1) slides tight fit, and the syringe needle (2f) is fixedly mounted on the front end of syringe barrel (2e1).

4. the pumping mechanism according to claim 1 based on injecting drug use automatic governing machine, it is characterised in that: further include protecting Shield (3), the protective cover (3) cover at the outside for puncturing enforcement division (1).

5. the pumping mechanism according to claim 1 based on injecting drug use automatic governing machine, it is characterised in that: the puncture Actuating motor (1d) and pumping spindle motor (2c) are stepper motor.