CN221084344U - Medicine box and pump body combined device and electric infusion pump - Google Patents

Abstract

The utility model belongs to the technical field of infusion pumps, and particularly relates to a device for combining a medicine box and a pump body, which comprises the medicine box and the pump body, wherein the medicine box and the pump body are connected through an upper lock hole, a lower lock hole and an upper lock hook and a lower lock hook on mutually abutting surfaces of the medicine box and the pump body, the width of an upper lock hole of the upper lock hole and the width of an upper lock hole of the lower lock hole become smaller along with the movement direction of the upper lock hole in installation, the upper lock hook and the lower lock hook comprise lock hook side walls and lock hook bottom walls, the lock hook bottom walls are positioned on lower lock holes of the upper lock hole and the lower lock hole, the electric infusion pump comprising the device can lock the two parts up and down rapidly through the matching of the upper lock hook and the lower lock hole, the front lock shaft and the rear lock shaft in a locking hand of the pump body are matched with a front lock groove and a rear lock groove of the medicine box, the locking is further enhanced through the integral combination of a tail lock hook and a tail lock hole structure, and the compact and portable integral structure can be realized.

Description

Medicine box and pump body combined device and electric infusion pump

Technical Field

The utility model belongs to the technical field of infusion pumps, and particularly relates to a device combining a medicine box and a pump body and an electric infusion pump.

Background

In order to ensure that the electronic infusion pump products can meet the requirements of portable and handheld operation simultaneously, the medicine box and the pump body are combined into a whole for use; and how to combine the medicine box and the pump body rapidly and effectively, and simultaneously ensure the portable requirement of the minimized volume, becomes the problem which is solved in the industry all the time.

In the prior art, most of the medicine boxes are designed to extend downwards along the thickness of the pump body, and the larger the medicine box of the infused medicine is needed, the longer the medicine box extends downwards, the larger the front area of the whole infusion pump can be, the portability of carrying can be affected, and the structure of the downward extending medicine box can lead to the display area and the key operation area of the pump body to be forced to be reduced, so that the comfort of the handheld operation is affected;

Meanwhile, the design of the downward extending medicine box leads to small effective locking area at the joint of the pump body and the medicine box, when the whole body is subjected to external force (such as carelessly sitting or pressing), compared with the overlapped medicine box, the design of the downward extending medicine box can more easily cause the stress at the joint to be larger, and the fluctuation of the distance between the infusion tube in the medicine box and the pump sheet in the pump body can be caused, so that the fluctuation of the infusion precision is caused.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a device combining a medicine box and a pump body, which has the advantages of simple structure and convenient use and solves the problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a medicine box and pump body combination device, includes medicine box and the pump body, the medicine box with realize both being connected through upper and lower lockhole and upper and lower latch hook on the face of the mutual butt of pump body, the upper lockhole width of upper and lower lockhole diminishes along with the direction of motion when installing, upper and lower latch hook includes latch hook lateral wall and latch hook diapire, the latch hook diapire is located the lower floor's lockhole of upper and lower lockhole.

Two opposite side walls of the pump body are respectively provided with a containing groove, the containing grooves are symmetrically arranged along the pump body, locking fingers are arranged in the containing grooves, the locking fingers can rotate relative to the pump body, front and back lock shafts are arranged on the locking fingers, front and back lock grooves are arranged on the medicine box, the front and back lock shafts are mutually matched, and when the locking wrench is closed, the locking fingers drive the front and back lock shafts to inwards slide along the front and back lock grooves, and the front and back lock shafts are locked in the front and back lock grooves.

The drug box with be equipped with corresponding afterbody latch hook and afterbody lockhole on the face of the mutual butt of pump body, afterbody latch hook includes afterbody latch hook lateral wall and afterbody latch hook diapire, the afterbody lockhole includes upper strata afterbody lockhole and lower floor's afterbody lockhole, the afterbody latch hook diapire is located in the lower floor's afterbody lockhole.

The upper layer lockhole comprises a first upper layer lockhole and a second upper layer lockhole, the opening width of the second upper layer lockhole is larger than that of the first upper layer lockhole, the length of the second upper layer lockhole is larger than or equal to that of the lock hook bottom wall, and the lock hook bottom wall is allowed to enter the lower layer lockhole.

At least two upper and lower lock holes are arranged.

The bottom wall of the lock hook protrudes out of the side wall of the lock hook.

The leading-in edges of the front locking groove and the rear locking groove are arc-shaped.

The medicine box and the pump body are provided with marks for positioning.

An electric infusion pump comprising any one of the above cartridges in combination with a pump body.

Compared with the prior art, the utility model has the following beneficial effects:

According to the device for combining the medicine box and the pump body and the electric infusion pump, the two parts can be quickly locked up and down through the matching of the upper lock hook and the lower lock hook which are arranged on the surface, which is abutted with the medicine box, of the pump body, the front lock shaft and the rear lock shaft in the locking arm-wrenching hand of the pump body are matched with the front lock groove and the rear lock groove of the medicine box, the two parts can be quickly locked up and down, the integral combination of the tail lock hook and the tail lock hole structure is further enhanced, and the steps are opposite when the device is opened, so that the compact portability of the integral structure can be realized.

Drawings

FIG. 1 is a schematic view showing a combination of a drug cassette and a pump body and a split-type three-dimensional structure of the pump body and the drug cassette of an electric infusion pump according to embodiment 1 of the present utility model;

FIG. 2 is a schematic diagram showing a combination of a drug cassette and a pump body and a front-rear burst structure of the pump body and the drug cassette of an electric infusion pump according to embodiment 1 of the present utility model;

FIG. 3 is a schematic view showing a device for combining a medicine box and a pump body and a medicine box pre-mounting structure of an electric infusion pump according to embodiment 1 of the present utility model;

FIG. 4 is a schematic view showing a combination of a cartridge and a pump body and an initial position of the pump body and cartridge assembly of an electric infusion pump according to embodiment 1 of the present utility model;

FIG. 5 is a schematic diagram showing a device for combining a medicine box and a pump body and a medicine box pre-mounting structure of an electric infusion pump according to embodiment 1 of the present utility model;

FIG. 6 is a schematic view showing a perspective view of the upper surface of a cartridge of a device for combining a cartridge and a pump body according to embodiment 1 of the present utility model;

Fig. 7 is a schematic perspective view showing an upper and lower latch hook of a device combining a medicine box and a pump body according to embodiment 1 of the present utility model;

Fig. 8 is a schematic perspective view of a locking arm-wrenching device combining a medicine box and a pump body according to embodiment 1 of the present utility model.

In the figure: 1. a pump body; 2. a medicine box;

11. An upper and lower latch hook; 111. a latch hook side wall; 112. a latch hook bottom wall;

12. Locking the arm wrenches; 121. a first fixing hole; 122. a second fixing hole;

13. Tail lock hole; 14. front and rear lock shafts; 15. a receiving groove;

21. an upper and lower lock hole; 211. an upper lock hole; 212. a lower lock hole;

22. marking; 23. tail latch hook; 24. front and rear locking grooves; 241. leading in edges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The prior art is mostly a scheme combining up and down, and adopts a mode of locking and fixing two hangers.

Specific example 1: referring to fig. 1 to 8, as shown in fig. 1, fig. 1 is a schematic diagram of explosion of an electric infusion pump into a pump body 1 and a medicine box 2, showing a lower bottom surface of the pump body 1 and an upper top surface of the medicine box 2, and fig. 2 is a schematic diagram of a structure of the pump body 1 and the medicine box 2 exploded back and forth. The utility model provides a device that medicine box and pump body 1 combine, includes medicine box 2 and pump body 1, realizes both to connect through upper and lower lockhole 21 and upper and lower latch hook 11 on the face that medicine box 2 and pump body 1 mutually butt, and upper lockhole width of upper and lower lockhole 21 diminishes along with the direction of motion when installing, and upper and lower latch hook 11 includes latch hook lateral wall 111 and latch hook diapire 112 (as shown in fig. 7), and latch hook diapire 112 is located the lower floor's lockhole of upper and lower lockhole 21. The upper and lower lock holes 21 and the upper and lower lock hooks 11 are not limited to being provided in the medicine box 2 or the pump body 1, and may be provided in any one of them, and the same function may be achieved. In this embodiment, the upper and lower lock hooks 11 are selected to be arranged on the lower bottom surface of the pump body 1, the upper and lower lock holes 21 are arranged on the upper top surface of the medicine box 2, and the upper top surface of the medicine box 2 and the lower bottom surface of the pump body 1 are mutually abutted surfaces when the pump body 1 and the medicine box 2 are combined.

As shown in the medicine box 2 on the left side of fig. 1, the upper and lower lock holes 21 include an upper lock hole 211 and a lower lock hole 212, the lower lock hole 212 is an initial position for installation or a final position for withdrawal, so as to indicate that the lower lock hole 212 is an initial position for installation, the upper and lower lock hooks 11 continue to slide relatively from the lower lock hole 212 until the upper lock hole 211 is a position for completion during installation, the upper and lower lock holes 21 are two layers of lock holes, that is, an upper layer lock hole which is opened on the upper top surface of the medicine box 2, and a lower layer lock hole in the medicine box 2, the upper layer lock hole has a certain thickness, the upper layer lock hole further includes a first upper layer lock hole and a second upper layer lock hole, that is, the first upper layer lock hole is provided in the upper lock hole 211, the second upper layer lock hole is provided in the lower lock hole 212, the opening width of the second upper layer lock hole is greater than the opening width of the first upper layer lock hole, the size of the second upper layer lock hole is greater than or equal to the size of the bottom wall 112, and the lock hook bottom wall 112 is allowed to enter the lower layer.

As shown in fig. 3, the locking arm-wrenches 12 are opened to both sides along the arrow, and the pump body 1 and the medicine cartridge 2 are ready to be combined up and down in the direction of the thick arrow.

When the pump body 1 and the medicine box 2 are combined up and down in the initial position shown in fig. 4, the indication mark on the pump body 1 and the initial position mark on the medicine box 2 are aligned with each other, meanwhile, the lock hook bottom wall 112 of the upper and lower lock hooks 11 is aligned with the lower lock hole 212 of the upper and lower lock holes 21, and when the medicine box 2 is assembled in alignment, the lock hook bottom wall 112 continues to be combined down along the position of the second upper lock hole of the lower lock hole 212 until the upper top surface of the medicine box 2 is abutted with the lower bottom surface of the pump body 1, at this time, the lock hook bottom wall 112 is located in the lower lock hole of the lower lock hole 212, and the widths of the upper lock hole (i.e. the second upper lock hole) and the lower lock hole of the lower lock hole 212 may be the same or different. The widths of the upper layer lock hole (i.e., the first upper layer lock hole) and the lower layer lock hole of the upper lock hole 211 are different, the opening width of the upper layer lock hole is smaller than the width of the lower layer lock hole, and after being combined, the lock hook bottom wall 112 continues to slide along the arrow direction of fig. 4, and advances from the lower layer lock hole of the lower lock hole 212, and enters the lower layer lock hole of the upper lock hole 211, and since the opening width of the first upper layer lock hole is smaller than the width of the lock hook bottom wall 112, the lock hook bottom wall 112 cannot be separated from the medicine box 2, so that the limiting purpose is achieved.

As shown in fig. 5, the side walls of the pump body 1 and the medicine box 2 are provided with marks 22, for convenience of description, the marks on the pump body 1 are called indication marks, the medicine box is provided with two marks 22 which are an initial position mark and a finishing position mark respectively, and represent the functions of the marks 22 when the pump body 1 and the medicine box 2 are installed, mainly describing the sequence when the medicine box 2 and the pump body 1 are installed, and certainly, when the medicine box 2 and the pump body 1 are separated and relatively slide and separated, the description is omitted; just the indication mark on the pump body 1 and the finishing position mark on the medicine box 2 slide relatively to place, and the left and right locking hands 12 are closed along the arrow direction, so as to complete the combination and locking of the medicine box 2 and the pump body 1.

At least two upper and lower lock holes 21 are provided. As shown in fig. 1, the upper and lower lock holes 21 are four symmetrically distributed, and the number and positions of the upper and lower lock hooks 11 correspond to those of the upper and lower lock holes 21.

The latch hook bottom wall 112 protrudes from the latch hook side wall 111.

Two opposite side walls of the pump body 1 are respectively provided with a containing groove 15, the containing grooves 15 are arranged on two sides of the tail of the pump body 1, the containing grooves 15 are symmetrically arranged along the pump body 1, locking fingers and thumb 12 are arranged in the containing grooves 15, the locking fingers and thumb 12 can rotate relative to the pump body 1 through a fixed shaft, front and rear lock shafts 14 are arranged on the locking fingers and thumb 12, front and rear lock shafts 24 are arranged on the medicine box 2, the front and rear lock shafts 24 and the front and rear lock shafts 14 are matched with each other, and when the locking wrench is closed, the locking fingers and thumb 12 drive the front and rear lock shafts 14 to slide inwards along the front and rear lock shafts 24, and the front and rear lock shafts 14 are locked in the front and rear lock shafts 24.

As shown in fig. 8, the locking arm-rest 12 has a shape with a narrow upper part and a wide lower part, the front end of the inner wall of the locking arm-rest 12 is concave outwards, the rear end is convex inwards or convex towards the middle, the locking arm-rest 12 is provided with a first fixing hole 121 and a second fixing hole 122, the first fixing hole 121 is used for placing the front and rear lock shaft 14, the second fixing hole 122 is used for placing a fixing shaft, the fixing shaft is connected with the pump body 1 through the second fixing hole 122 and can allow the locking arm-rest 12 to rotate around the fixing shaft, one end of the front and rear lock shaft 14 protrudes out of the locking arm-rest 12, when the locking arm-rest 12 is closed, the front end of the inner wall of the locking arm-rest drives the front and rear lock shaft 14 to integrally move, the circular arc is closed inwards and enters the inside of the front and rear lock grooves 24 just along the leading-in edges in the front and rear lock grooves 24, and finally when the locking arm-rest 241 of the front and rear lock shaft 14 completes locking.

The upper lock hole 21, the lower lock hole 11, the medicine box 2 and the pump body 1 are connected together, and the locking arm-wrenching hand 12, the front lock groove 24, the rear lock groove 24 and the front lock shaft 14 ensure that the pump body 1 cannot slide relative to the medicine box 2, so that the medicine box and the pump body are stably connected together, and relative displacement cannot occur.

The medicine box 2 and the pump body 1 are mutually abutted and provided with a corresponding tail lock hook 23 and a tail lock hole 13, the tail lock hook 23 comprises a tail lock hook side wall 111 and a tail lock hook bottom wall 112, the tail lock hole 13 comprises an upper tail lock hole and a lower tail lock hole, and the tail lock hook bottom wall 112 is positioned in the lower tail lock hole.

The leading edges 241 of the front and rear lock slots 24 are arcuate or curved to facilitate the introduction of the front and rear lock shafts 14 into the front and rear lock slots 24.

The medicine box 2 and the pump body 1 are provided with marks for positioning. The side wall of the pump body 1 is provided with an indication mark, the side wall of the medicine box 2 is provided with a corresponding initial position mark and a finishing position mark, and the combination state of the two can be clearly identified through the relative sliding of the indication mark of the pump body 1 and the medicine box 2 and the alignment of the indication mark of the pump body 1 and the finishing position mark.

An electric infusion pump comprising a device in which a cartridge 2 of one of the above-described types is combined with a pump body 1.

The device that this medicine box 2 and pump body 1 combine and the electronic infusion pump of using aforementioned device, compact structure avoids unidirectional space to occupy too much, and more compressive bending avoids deformation, has also increased pump body 1 simultaneously and has shown the operation area, is favorable to handheld operation etc..

Specific example 2: the device combining the medicine box 2 and the pump body is different from the specific embodiment 1 in that the surfaces of the medicine box 2 and the pump body 1 which are abutted against each other are not provided with the corresponding tail lock hook 23 and tail lock hole 13. And an electric infusion pump using the device of the combination of the cartridge 2 and the pump body 1 of this embodiment.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides a device that medicine box and pump body combine, includes medicine box and pump body, its characterized in that: the medicine box with realize the connection of two through upper and lower lockhole and upper and lower latch hook on the face of the mutual butt of the pump body, the upper lockhole width of upper and lower lockhole diminishes along with the direction of motion when installing, upper and lower latch hook includes latch hook lateral wall and latch hook diapire, the latch hook diapire is located the lower floor's lockhole of upper and lower lockhole.

2. A cartridge and pump body combined device according to claim 1, wherein: two opposite side walls of the pump body are respectively provided with a containing groove, the containing grooves are symmetrically arranged along the pump body, locking fingers are arranged in the containing grooves, the locking fingers can rotate relative to the pump body, front and back lock shafts are arranged on the locking fingers, front and back lock grooves are arranged on the medicine box, the front and back lock shafts are mutually matched, and when the locking fingers are closed, the locking fingers drive the front and back lock shafts to inwards slide along the front and back lock grooves, and the front and back lock shafts are locked in the front and back lock grooves.

3. A cartridge and pump body combined device according to claim 1, wherein: the drug box with be equipped with corresponding afterbody latch hook and afterbody lockhole on the face of the mutual butt of pump body, afterbody latch hook includes afterbody latch hook lateral wall and afterbody latch hook diapire, the afterbody lockhole includes upper strata afterbody lockhole and lower floor's afterbody lockhole, the afterbody latch hook diapire is located in the lower floor's afterbody lockhole.

4. A cartridge and pump body combined device according to claim 1, wherein: the upper layer lockhole comprises a first upper layer lockhole and a second upper layer lockhole, the opening width of the second upper layer lockhole is larger than that of the first upper layer lockhole, the length of the second upper layer lockhole is larger than or equal to that of the lock hook bottom wall, and the lock hook bottom wall is allowed to enter the lower layer lockhole.

5. A cartridge and pump body combined device according to claim 1, wherein: at least two upper and lower lock holes are arranged.

6. A cartridge and pump body combined device according to claim 1, wherein: the bottom wall of the lock hook protrudes out of the side wall of the lock hook.

7. A cartridge and pump body combined device according to any one of claims 1 to 6, wherein: the leading-in edges of the front locking groove and the rear locking groove are arc-shaped.

8. The cartridge and pump body combined device of claim 7, wherein: the medicine box and the pump body are provided with marks for positioning.

9. Electric infusion pump, its characterized in that: a device comprising a cartridge according to any one of claims 1 to 6 in combination with a pump body.