Injection pump and injection pump multi-pump combined structure

Abstract

The utility model belongs to the technical field of medical instruments, and particularly relates to an injection pump and a multi-pump combined structure of the injection pump, the injection pump comprises an injection pump body, a push-pull box assembly, a push-pull shaft and a pump door, a cavity for containing an injector is arranged in the injection pump body, the push-pull box assembly is connected with the injection pump body through the push-pull shaft, and the pump door is connected with the push-pull box assembly. The pump door is rotationally connected to one side of the injection pump body; the injection pump body comprises an upper shell and a lower shell which are arranged in a split mode, the upper shell and the lower shell are fixedly connected, the two sides of the upper end of the upper shell are each provided with a sliding groove, two connecting protruding blocks are arranged at the positions, corresponding to the sliding grooves of the upper shell, of the lower end of the lower shell, and the connecting protruding blocks are installed in the sliding grooves of the adjacent injection pump body in a sliding mode. A locking assembly is arranged at the sliding groove or the connecting protruding block. The sliding grooves and the connecting protruding blocks are arranged on the upper shell and the lower shell, the connecting protruding blocks can be installed in the sliding grooves in a sliding mode, rapid combination of multiple pumps is achieved, the multiple pumps are installed more rapidly, and work efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of medical instruments, and particularly relates to an injection pump and an injection pump multi-pump combination structure. BACKGROUND

[0002] Since the injection pump is usually used in combination with multiple infusion pumps (infusion pumps and injection pumps), the existing infusion pump combination is usually stacked in multiple injection pumps by means of a mounting bracket, which not only takes time and effort during installation, but also occupies more use space. Meanwhile, the existing injection pump is mostly designed with a small-size display screen and multiple physical buttons, which not only occupies a large space and is not aesthetically pleasing, but also is not conducive to operation and viewing of more information on the screen. SUMMARY

[0003] The utility model aims at overcoming the defects of the prior art and providing an injection pump and an injection pump multi-pump combination structure, which can satisfy medical staff to quickly realize multi-pump disassembly and stacking to easily realize multi-pump combination.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of an injection pump, which comprises an injection pump body, a push-pull box assembly, a push-pull shaft, and a pump door. The injection pump body is provided with a cavity for accommodating a syringe. The push-pull box assembly is connected to the injection pump body through the push-pull shaft. The pump door is rotatably connected to one side of the injection pump body.

[0005] The injection pump body comprises an upper shell and a lower shell arranged in two parts. The upper shell and the lower shell are fixedly connected. Two sliding grooves are formed on both sides of the upper end of the upper shell. Two connecting protrusions are arranged at the corresponding positions of the lower end of the lower shell and the sliding grooves of the upper shell. The connecting protrusions are slidably installed in the sliding grooves of the adjacent injection pump bodies. A locking assembly is arranged at the sliding grooves or the connecting protrusions.

[0006] Preferably, the sliding grooves are formed on the side surface of the upper shell. The mounting blocks are protruded downward on the corresponding side of the lower shell. The connecting protrusions are connected to the mounting blocks and protruded downward to the inner side of the lower shell. The height of the connecting protrusions is less than the height of the sliding grooves.

[0007] Preferably, the locking assembly comprises a limiting column and a sliding groove buckle assembly. The limiting column is arranged at the sliding groove. The sliding groove buckle assembly is rotatably installed on the lower shell. A limiting slot is formed on the sliding groove buckle assembly. The limiting slot is arranged corresponding to the limiting column.

[0008] Preferably, the sliding groove buckle assembly is a sliding groove buckle. A clamping groove is formed on the lower shell. The sliding groove buckle is rotatably installed in the clamping groove. The bottom of the sliding groove buckle is protruded to the inside of the lower shell. A limiting slot is formed at the front end of the protruding position of the sliding groove buckle. A reset fixing piece is arranged on the inner side of the sliding groove buckle.

[0009] Preferably, the reset fixing part is a buckle elastic sheet, the buckle elastic sheet is fixedly connected to the inner side of the buckle elastic sheet, the upper end of the buckle elastic sheet is arranged higher than the sliding groove buckle, and the upper end of the buckle elastic sheet is arranged to be curved, and the convex surface of the curved upper end of the buckle elastic sheet faces and tightly abuts against the inside of the upper shell or the inside of the lower shell.

[0010] Preferably, a touch display screen and a protective screen are arranged on the pump door, the protective screen is integrally arranged with the touch display screen, and the area occupied by the touch display screen is greater than 50% of the area of the front surface of the pump door.

[0011] Preferably, a perspective mirror is arranged on the pump door, and the length of the perspective mirror is greater than 70% of the length of the pump door.

[0012] Preferably, a power-on button, a stop button and a power indicator are further arranged on the pump door.

[0013] A multi-pump combination structure of a syringe pump comprises a plurality of the syringe pumps, and each syringe pump is stacked in sequence.

[0014] Preferably, the limiting column of the lower syringe pump is clamped in the limiting groove of the sliding groove buckle assembly of the upper syringe pump.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] 1. The syringe pump body comprises an upper shell and a lower shell arranged in a split mode, a sliding groove and a connecting protrusion are arranged on the upper shell and the lower shell, the connecting protrusion is slidably installed into the sliding groove, and after the connecting protrusion is installed into the sliding groove, the connecting protrusion can be fixed by a locking assembly, thereby realizing quick combination of multiple pumps, making the installation of multiple pumps more rapid and reducing the time required for the installation of multiple pumps, and making the work efficiency higher.

[0017] 2. In the case that the power-on button and the emergency stop button are reserved, the remaining control buttons are integrated on the display screen for control, thereby facilitating operation and saving space. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 FIG. 1 is a structural schematic view of the syringe pump in the utility model.

[0019] Figure 2 FIG. 2 is a structural schematic view of the upper shell.

[0020] Figure 3 FIG. 3 is a structural schematic view of the lower shell. Figure 2 FIG. 4 is an enlarged view of position A in FIG. 3.

[0021] Figure 4 FIG. 5 is a structural schematic view of the sliding groove buckle assembly.

[0022] Figure 5 FIG. 6 is a structural schematic view of the locking assembly.Figure 4 Enlarged view at B.

[0023] Figure 6 is a side view of the lower shell.

[0024] Figure 7 is a structural schematic view of the sliding slot buckle assembly.

[0025] Figure 8 is a structural schematic view of the pump door.

[0026] Figure 9 is a structural schematic view of the multi-pump combination.

[0027] Wherein: 1, injection pump body 2, handle 3, push-pull box assembly 4, push-pull shaft 5, syringe 6, pump door 7, sliding slot buckle assembly 8, upper shell 9, sliding slot 10, limiting column 11, clamping groove 12, lower shell 13, connecting lug 14, adapter hole 15, sliding slot buckle 16, buckle elastic sheet 17, convex rotating shaft 18, limiting groove 19, limiting convex 20, door body 21, perspective mirror 22, touch display screen 23, protective screen 24, switch button 25, stop button 26, power indicator light. DETAILED DESCRIPTION

[0028] Figures 1-9 is the best embodiment of the utility model, the following will be combined with the attached Figures 1-9 Further illustrate the utility model.

[0029] As Figure 1 shown, the utility model discloses an injection pump, including injection pump body 1, push-pull box assembly 3, push-pull shaft 4 and pump door 6, and the cavity containing syringe is provided in injection pump body 1, and drive arrangement is provided in injection pump body 1, and drive arrangement is connected push-pull shaft 4, and push-pull shaft 4 sets up and sets up in injection pump body 1, and push-pull box assembly 3 is connected injection pump body 1 through push-pull shaft 4, under the drive of drive mechanism, push-pull shaft 4 can drive push-pull box assembly 3 to carry out linear motion, and push-pull box assembly 3 promotes the piston of syringe 5 to move in the needle cylinder, thereby realizes liquid transmission, and pump door 6 is rotatably connected at one side of injection pump body 1.

[0030] Injection pump body 1 includes split setting upper shell 8 and lower shell 12, and upper shell 8 and lower shell 12 are fixedly connected by bolt, one sliding slot 9 is formed in the upper end of the both sides of upper shell 8, and two connecting lugs 13 are also provided with the corresponding position of sliding slot 9 of upper shell 8 at the lower end of lower shell 12, the connecting lug 13 can be slidably installed in the sliding slot 9 of adjacent injection pump body 1, so that the connecting lug 13 and sliding slot 9 of adjacent two injection pump body 1 can be connected when the injection pump body 1 is stacked, and locking assembly is provided at sliding slot 9 or connecting lug 13, and the adjacent two injection pump body 1 is fixed through the locking assembly.

[0031] As Figures 2-6 shown, the slide groove 9 is opened in the side of the upper shell 8, one slide groove 9 is opened in each side of the upper shell 8, the opening side of the slide groove 9 is in the side of the upper shell 8, the connecting protrusion 13 is arranged on the side of the lower shell 12 corresponding to the slide groove 9 of the upper shell 8, the mounting block is arranged on the side of the lower shell 12 corresponding to the upper shell 8 and protrudes downward, the connecting protrusion 13 is connected to the mounting block and protrudes to the inside of the lower shell 12, that is, the connecting protrusion 13 is arranged on the lower side of the lower shell 12, in order to facilitate the smooth installation of the connecting protrusion 13 into the slide groove 9, the height of the connecting protrusion 13 is less than the height of the slide groove 9.

[0032] In the embodiment, the locking assembly includes the limiting column 10 and the slide groove buckle assembly 7, the limiting column 10 is arranged at the slide groove 9, the limiting column 10 is arranged on the upper side of the slide groove 9, the slide groove buckle assembly 7 is rotatably installed on the lower shell 12, the limiting slot 18 is opened on the slide groove buckle assembly 7, the limiting slot 18 is arranged corresponding to the limiting column 10, when the injection pump bodies 1 are stacked, after the connecting protrusion 13 of the upper injection pump body 1 is installed into the lower injection pump body 1, the limiting slot 18 of the slide groove buckle assembly 7 of the upper injection pump body 1 is buckled outside the limiting column 10, that is, the adjacent two injection pump bodies 1 cannot continue to slide relative to each other.

[0033] Specifically, as Figure 7 shown, the slide groove buckle assembly 7 is a slide groove buckle 15, the clamping groove 11 is opened on the lower shell 12, the slide groove buckle 15 is rotatably installed in the clamping groove 11 through the protruding rotating shaft 17, the adapter hole 14 is opened in the clamping groove 11, the protruding rotating shaft 17 is rotatably installed in the adapter hole 14, in the embodiment, the overall thickness of the lower shell 12 is relatively thin, therefore, the clamping groove 11 is also arranged on the upper shell 8, the upper end of the slide groove buckle 15 is installed in the clamping groove 11 of the upper shell 8, the bottom of the slide groove buckle 15 protrudes to the inside of the lower shell 12, the limiting slot 18 is opened on the front end of the protruding position of the clamping groove 11, the limiting slot 18 is arranged corresponding to the limiting column 10, the reset fixing piece is arranged on the inside of the slide groove buckle 15, the reset fixing piece supports the slide groove buckle 15 at the required position, ensuring that the limiting slot 18 is buckled outside the limiting column 10.

[0034] In the embodiment, the reset fixing member is a buckle elastic sheet 16, the buckle elastic sheet 16 is fixedly connected to the inner side of the buckle elastic sheet 16 through a bolt, the upper end of the buckle elastic sheet 16 is arranged higher than the slide groove buckle 15, the upper end of the buckle elastic sheet 16 is arranged to be curved, the convex surface of the curved upper end of the buckle elastic sheet 16 faces and tightly abuts against the inside of the upper shell 8, the upper end of the slide groove buckle 15 is pressed, the buckle elastic sheet 16 is slightly deformed, the lower end of the slide groove buckle 15 is opened, the stacking of the injection pump body 1 can be performed, the upper end of the slide groove buckle 15 is released, the buckle elastic sheet 16 rebounds, the lower end of the slide groove buckle 15 is closed, the limiting groove 18 on the inner side of the slide groove buckle 15 is clamped with the limiting column 10 in the slide groove 9, and the stacking is completed, and the limiting protrusion 19 is further arranged on the side of the lower end of the buckle elastic sheet 16 close to the inside of the lower shell 12.

[0035] As shown in Figure 8 The pump door 6 is provided with a touch display screen 22, and the realization of each function is controlled through the touch display screen 22, and the pump door 6 is further provided with a protection screen 23, the protection screen 23 includes but is not limited to a glass protection screen, and the protection screen 23 adopts a long strip parallelogram to increase the screen component area and the aesthetic property, the protection screen 23 is integrally arranged with the touch display screen 22, the touch display screen 22 region has display information and touch functions, and the area occupied is greater than 50% of the front area of the pump door 6; The pump door 6 is provided with a perspective mirror 21, the perspective mirror 21 is made of transparent plastic and is integrally injection molded with the door body 20, the length of the perspective mirror 21 is greater than 70% of the length of the pump door 6, and the scale and alarm lamp signal of the syringe in the pump body cavity can be fully observed; The pump door 6 is further provided with a power-on and power-off button 24, a stop button 25 and a power indicator 26, the power-on and power-off button 24, the stop button 25 and the power indicator 26 are all concentrated on the right side of the front of the door body 20, so that some entity buttons for inputting instructions can be omitted, the display area is ensured to be larger, more information can be displayed, and users can conveniently check. In the embodiment, one side of the injection pump body 1 is further provided with a handle 2, the handle 12 is mounted on the upper shell 8 through a bolt, and medical staff can conveniently carry the injection pump by hand.

[0036] As shown in Figure 9 The utility model discloses a kind of injection pump multi-pump combination structures, including several above-mentioned injection pumps, each injection pump is stacked in turn, the connecting lug 13 of the lower shell 12 of injection pump located in upper side is slidably installed in the slide groove 9 of upper shell 8 of injection pump located in lower side, the limiting column 10 of injection pump located in lower side is clamped in the limiting groove 18 of slide groove buckle assembly 7 of injection pump located in upper side.

[0037] The utility model discloses a slide groove buckle assembly 7 both ends's protruding pivot 17 is put into the relay hole 14 on the lower shell 8, and the buckle elastic sheet 16 and the clamping groove 11 position of upper shell 8 correspond, complete the installation of slide groove buckle assembly 17, upper shell 8 and lower shell 12, and fasten the installation of upper shell 8 and lower shell 12 through bolt, when carrying out double pump superposition, the connecting boss 13 of upper layer injection pump is aligned with the slide groove 9 of lower layer injection pump, and the upper end of slide groove buckle 15 is pressed to make the buckle elastic sheet 16 a little deformation, and the lower end of slide groove buckle 15 opens, and the connecting boss 13 of upper layer injection pump smoothly slides into the slide groove 9 of lower layer injection pump, when the connecting boss 13 of upper layer injection pump front end and the upper shell 8 end surface of lower layer injection pump abut, loosen the upper end of slide groove buckle 15, and the buckle elastic sheet 16 rebounds, and the lower end of slide groove buckle 15 closes, and the limiting groove 18 of the inboard slide groove buckle 15 of upper layer injection pump and the limiting column 10 in the slide groove 9 of lower layer injection pump clamping, complete the superposition of multiple pumps, and the removal of double pump disassembly is same with the superposition of multiple pumps, realize the quick combination of multiple pumps, and multiple pump installation is more fast and reduces the time used for multiple pump installation, and the working efficiency is higher.

[0038] The above is only the preferred embodiment of the utility model, and is not other forms of the limitation of the utility model, and any skilled person in the art can utilize the disclosed technical content to change or modify equivalent embodiments of equivalent changes. But, any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, still belongs to the protection scope of the utility model technical scheme.

Claims

1. An injection pump, characterized in that: It includes an injection pump body (1), a push-pull box assembly (3), a push-pull shaft (4), and a pump door (6). The injection pump body (1) has a cavity for accommodating a syringe. The push-pull box assembly (3) is connected to the injection pump body (1) via the push-pull shaft (4). The pump door (6) is rotatably connected to one side of the injection pump body (1). The injection pump body (1) includes a separate upper shell (8) and a lower shell (12), which are fixedly connected. A sliding groove (9) is opened on each side of the upper end of the upper shell (8), and two connecting protrusions (13) are also provided at the lower end of the lower shell (12) corresponding to the sliding groove (9) of the upper shell (8). The connecting protrusions (13) can be slidably installed in the sliding groove (9) of the adjacent injection pump body (1), and a locking component is provided at the sliding groove (9) or the connecting protrusion (13).

2. The syringe pump according to claim 1, characterized in that: The groove (9) is opened on the side of the upper shell (8), and the mounting block is set downward on the corresponding side of the lower shell (12). The connecting protrusion (13) is connected to the mounting block and protrudes into the inner side of the lower shell (12). The height of the connecting protrusion (13) is less than the height of the groove (9).

3. The syringe pump according to claim 1, characterized in that: The locking assembly includes a limiting post (10) and a sliding groove buckle assembly (7). The limiting post (10) is located at the sliding groove (9). The sliding groove buckle assembly (7) is rotatably mounted on the lower shell (12). A limiting groove (18) is opened on the sliding groove buckle assembly (7). The limiting groove (18) is correspondingly set with the limiting post (10).

4. The syringe pump according to claim 3, characterized in that: The sliding snap fastener assembly (7) is a sliding snap fastener (15). A snap-fit ​​groove (11) is provided on the lower shell (12). The sliding snap fastener (15) is rotatably installed in the snap-fit ​​groove (11). The bottom of the sliding snap fastener (15) protrudes into the interior of the lower shell (12). A limiting groove (18) is provided at the front end of the protruding position of the sliding snap fastener (15). A reset fixing member is provided on the inner side of the sliding snap fastener (15).

5. The syringe pump according to claim 4, characterized in that: The reset fixing component is a snap-fit ​​spring (16). The snap-fit ​​spring (16) is fixedly connected to the inner side of the snap-fit ​​spring (16). The upper end of the snap-fit ​​spring (16) is set higher than the sliding groove snap (15), and the upper end of the snap-fit ​​spring (16) is bent. The convex surface of the bent upper end of the snap-fit ​​spring (16) faces and presses against the inside of the upper shell (8) or the inside of the lower shell (12).

6. The syringe pump according to claim 1, characterized in that: A touch screen (22) and a protective screen (23) are provided on the pump door (6). The protective screen (23) and the touch screen (22) are integrated together. The area occupied by the touch screen (22) is greater than 50% of the front area of ​​the pump door (6).

7. The syringe pump according to claim 1, characterized in that: A fluoroscopy lens (21) is provided on the pump door (6), and the length of the fluoroscopy lens (21) is greater than 70% of the length of the pump door (6).

8. The syringe pump according to claim 1, characterized in that: The pump door (6) is also equipped with a power switch button (24), a stop button (25) and a power indicator light (26).

9. A multi-pump combination structure for an injection pump, characterized in that: The invention includes several injection pumps as described in any one of claims 1 to 8, wherein each injection pump is stacked on top of the other, and the connecting protrusion (13) of the lower housing (12) of the upper injection pump is slidably installed in the groove (9) of the upper housing (8) of the lower injection pump.

10. The multi-pump combination structure of an injection pump according to claim 9, characterized in that: The limiting post (10) of the lower injection pump is engaged in the limiting groove (18) of the sliding groove buckle assembly (7) of the upper injection pump.

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