Consumable box connecting piece and peritoneal dialysis equipment

Abstract

The utility model relates to the technical field of peritoneal dialysis, and provides a consumable box connecting piece and peritoneal dialysis equipment. The consumable box connecting piece is used for installing a consumable box, an elastic arm capable of being opened and closed is arranged on the side face of the consumable box, a limiting boss is formed on the elastic arm, the elastic arm is suitable for driving the limiting boss to be close to or away from the consumable box, the consumable box connecting piece comprises a connecting piece body, and an installing groove used for fixing the consumable box is formed in the connecting piece body. A limiting hole is formed in the side face, facing the elastic arm, of the mounting groove, and the limiting hole of the mounting groove is used for being connected with a limiting boss of the consumable box in a clamped mode. According to the consumable box connecting piece, the fixing effect of the consumable box can be enhanced, and the consumable box is prevented from loosening or falling off.

Description

TECHNICAL FIELD

[0001] The utility model relates to peritoneal dialysis technical field especially, a kind of consumable box connecting piece and peritoneal dialysis equipment. BACKGROUND

[0002] Peritoneal dialysis is similar to artificial blood purification nephrological replacement therapy.In prior art, automatic peritoneal dialysis (APD) is usually used to realize peritoneal dialysis process automation, and automatic peritoneal dialysis can provide more freedom of movement opportunities for patients.

[0003] In existing peritoneal dialysis instrument, consumable box is needed to transport peritoneal dialysis liquid, and the consumable box is loaded in a specific position of the peritoneal dialysis instrument by a specific loading part, and the loading part usually has a complex structure and high cost. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of consumable box connecting piece and peritoneal dialysis equipment to solve the defects of prior art, and the structure is simple, and it is simple and reliable to connect with consumable box.

[0005] To solve the above technical problems, the utility model provides a kind of consumable box connecting piece, for installing consumable box, the side of the consumable box is provided with openable and closable elastic arm, the elastic arm forms a limiting boss, and the elastic arm is suitable for driving the limiting boss to be close to or away from the consumable box, wherein,

[0006] The consumable box connecting piece includes a connecting piece body, the connecting piece body is formed with a mounting groove for fixing the consumable box, the mounting groove is provided with a limiting hole on the side of the elastic arm, and the limiting hole of the mounting groove is used for clamping with the limiting boss of the consumable box.

[0007] In an embodiment, the size of the limiting hole is greater than the size of the limiting boss.

[0008] In an embodiment, the wall surface of the mounting groove is provided with a gas path connecting part, the gas path connecting part is formed with a connecting port and a sealing groove, and the sealing groove surrounds the connecting port.

[0009] In an embodiment, the gas path connecting part is a docking groove formed on the bottom wall surface of the mounting groove.

[0010] Or, the gas path connecting part is a docking convex column formed on the bottom wall surface of the mounting groove.

[0011] The connecting port is coaxial with the docking groove or the docking convex column.

[0012] In an embodiment, the rear shell of the consumable box has a guide surface and a connecting surface formed on the wall surface of the elastic arm, and the limiting hole is located on the connecting surface.

[0013] In an embodiment, the distance between the two guide surfaces is less than the distance between the two connecting surfaces.

[0014] In an embodiment, the rear shell of the consumable box has a square cross section, and the mounting slot has two opposite guide surfaces formed therein, and the distance between the two guide surfaces is equal to the height of the rear shell.

[0015] In an embodiment, the bottom wall surface of the mounting slot further has a balance groove, and the balance groove has the same shape as the negative pressure sink.

[0016] Correspondingly, the utility model also provides a peritoneal dialysis equipment which comprises the consumable box connecting piece.

[0017] In an embodiment, the bottom wall surface of the connecting piece body is provided with a plurality of mounting holes, and the mounting holes are threaded holes.

[0018] The embodiments described in the utility model can be implemented independently or in any combination, unless there is an obvious contradiction or an explicit indication in another way.

[0019] The utility model has the following beneficial effects:

[0020] The consumable box connecting piece has the limiting boss of the elastic arm of the consumable box matched with the limiting hole in the mounting slot of the consumable box connecting piece, the displacement of the consumable box in the axial direction of the mounting slot is limited, the elastic arm and the matching between the limiting boss and the limiting hole are utilized to enhance the fixing effect of the consumable box, the problem of the falling of the consumable box is effectively avoided, the installation and replacement efficiency of the consumable box is ensured, and the structure is simple, convenient to operate and low in manufacturing cost. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a three-dimensional structure schematic view of the consumable box connecting piece of the utility model;

[0022] Figure 2 It is a main view structure schematic view of the consumable box connecting piece of the utility model;

[0023] Figure 3 It is Figure 2 It is a sectional structure schematic view of the consumable box connecting piece along the section line A-A in the utility model;

[0024] Figure 4is a connection diagram of the consumable box connecting piece and the consumable box of the utility model;

[0025] Figure 5 is a schematic diagram of the three-dimensional structure of the peritoneal dialysis equipment. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clear, the utility model will be described in further detail below in combination with the drawings. Only this declaration, the up, down, left, right, front, back, inside, outside and other orientation words appearing in the text or about to appear of the utility model, only take the drawings of the utility model as the base, it is not the specific limitation to the utility model.

[0027] The consumable box connecting piece provided by the utility model utilizes the cooperation between the elastic arm 2 and the limiting boss 21 and the limiting hole 32, enhances the fixing effect of the consumable box 1, effectively avoids the problem that the consumable box 1 falls off after being installed on the consumable box connecting piece, and guarantees the installation and replacement efficiency of the consumable box 1.

[0028] In one specific embodiment of the utility model, as shown in Figures 1 to 4 The consumable box connecting piece is used for installing the consumable box 1, wherein the side surface of the consumable box 1 is provided with an openable and closable elastic arm 2, the elastic arm 2 forms a limiting boss 21, and the elastic arm 2 is suitable for driving the limiting boss 21 to approach or move away from the consumable box 1. The consumable box connecting piece comprises a connecting piece body 3, the connecting piece body 3 is formed with a mounting groove 31 for fixing the consumable box 1, the side surface of the mounting groove 31 towards the elastic arm 2 is provided with a limiting hole 32, and the limiting hole is used for clamping with the limiting boss.

[0029] The consumable box connecting piece provided by the embodiment can be fixedly installed in an application device such as a peritoneal dialysis instrument, so as to install the consumable box 1 on the application device such as the peritoneal dialysis instrument through the consumable box connecting piece. The elastic arm 2 is made of elastic material, the elastic arm 2 and the limiting boss 21 can approach or move away from the shell of the consumable box 1 by pressing the elastic arm 2, and the opening and closing of the elastic arm 2 are realized.

[0030] When it is needed to assemble the consumable box 1 on the application device, the elastic arm 2 can be pressed to realize the inward folding of the elastic arm 2, and the consumable box 1 is embedded in the mounting groove 31, after the elastic arm 2 is released, the elastic arm 2 can rebound and abut against the inner wall surface of the mounting groove 31, so as to fix the consumable box 1 in the mounting groove 31. Since the limiting hole 32 is located on the movement path of the limiting boss 21, in the rebounding process of the elastic arm 2, the limiting boss 21 can be clamped into the limiting hole 32, so as to limit the displacement of the consumable box 1 by utilizing the cooperation of the limiting boss 21 and the limiting hole 32, and improve the fixing effect of the consumable box 1.

[0031] The consumable box connecting piece provided by the embodiment limits the displacement of the consumable box 1 in the axial direction of the mounting groove 31 through the cooperation of the limiting boss 21 on the elastic arm 2 and the limiting hole 32 in the mounting groove 31, so as to enhance the fixing effect of the consumable box 1 by using the cooperation between the elastic arm 2 and the limiting boss 21 and the limiting hole 32, effectively avoid the problem of loosening or falling off of the consumable box 1 after the consumable box 1 is installed in the consumable box connecting piece, and ensure the installation and replacement efficiency of the consumable box 1.

[0032] It should be noted that the movement path of the limiting boss 21 is determined by the forming mode of the elastic arm 2 on the side surface of the consumable box 1, for example, when the front end of the elastic arm 2 is connected to the housing of the consumable box 1 and the rear end of the elastic arm 2 rotates relative to the housing of the consumable box 1 to achieve opening and closing, the movement path of the limiting boss 21 is along the rotation direction of the elastic arm 2, or when the elastic arm 2 is connected to the housing by an elastic member such as a spring, the movement path of the limiting boss 21 is along the extension direction of the elastic member.

[0033] Further, the elastic arm 2 preferably achieves opening and closing in a rotating manner. In order to ensure that the limiting hole 32 does not interfere with the rotation of the limiting boss 21 when the elastic arm 2 rebounds, the size of the limiting hole 32 is greater than the size of the limiting boss 21, so that the limiting hole 32 can avoid the movement of the limiting boss 21, and ensure that the limiting boss 21 can be clamped into the limiting hole 32 when rotating. After the limiting boss 21 is clamped into the limiting hole 32, the wall surface away from the bottom of the mounting groove 31 of the limiting hole 32 abuts against the limiting boss 21, so as to ensure the fixing effect of the limiting boss 21 and the limiting hole 32 on the consumable box 1.

[0034] It should be noted that the side surface of the limiting boss 21 facing the bottom wall of the mounting groove 31 is a slope, so as to further ensure the smooth clamping of the limiting boss 21 and the limiting hole 32.

[0035] On the other hand, when the elastic arm 2 is connected to the housing by an elastic member, the elastic arm 2 can drive the limiting boss 21 to be vertically inserted into the limiting hole 32, at this time, the limiting hole 32 can be gap-fitted with the limiting boss 21, so as to ensure the limiting effect on the consumable box 1.

[0036] In the embodiment of the utility model, the inside of consumable box 1 is formed with liquid chamber, the bottom surface of consumable box 1 is provided with consumable box vent hole, consumable box vent hole communicates with liquid chamber, so as to provide predetermined pressure in liquid chamber through consumable box vent hole, ensure that liquid can be sucked into or discharged from the liquid chamber of consumable box.

[0037] As Figure 2 And Figure 3As shown, the wall surface of the mounting groove 31 is provided with an air path connecting part 33, the air path connecting part 33 is formed with a connecting port 34 penetrating the bottom wall of the connecting member body 3, and the connecting port 34 can be connected with the pressure control device through the bottom wall of the connecting member body 3. The connecting port 34 is communicated with the air hole of the consumable box 1, and the pressure control device can inject or extract gas from the liquid chamber to realize the pressure control of the liquid chamber.

[0038] As shown, the air path connecting part 33 is formed with a sealing groove 35 surrounding the connecting port 34. In this embodiment, a sealing ring or other sealing element is arranged in the sealing groove 35. When the air hole of the consumable box 1 is connected with the connecting port 34 of the air path connecting part 33, a sealed connection is formed between the air hole of the consumable box 1 and the air path connecting part 33 of the mounting groove 31, avoiding gas leakage of the liquid chamber and the gas control pipeline, so as to maintain the pressure state of the liquid chamber. Figure 3

[0039] Specifically, in order to facilitate the connection of the air path connecting part 33 and the air hole of the consumable box 1, the air path connecting part 33 can be formed in the following example:

[0040] The first forming mode is that the air path connecting part 33 is a docking groove formed on the bottom wall surface of the mounting groove 31, and the connecting port 34 of the air path connecting part 33 is coaxial with the docking groove. At this time, the bottom surface of the consumable box 1 facing the air path connecting part 33 can correspondingly form a hollow air hole protruding column, and the air hole of the consumable box 1 is coaxial with the air hole protruding column. By inserting the air hole protruding column of the consumable box 1 into the docking groove, the corresponding communication between the air hole of the consumable box 1 and the connecting port of the mounting groove 31 is realized.

[0041] At this time, the sealing groove 35 is formed on the inner side wall surface of the docking groove. When the sealing ring is filled in the sealing groove 35, the inner diameter of the sealing ring abuts against the air hole protruding column of the consumable box 1, so as to ensure the sealed connection between the air hole protruding column of the consumable box 1 and the air path connecting part 33 of the mounting groove 31.

[0042] The second forming mode is that the air path connecting part 33 is a docking protruding column formed on the bottom wall surface of the mounting groove 31, and the connecting port 34 of the air path connecting part 33 is coaxial with the docking protruding column. At this time, the bottom surface of the consumable box 1 facing the air path connecting part 33 can correspondingly form a slot structure, and the air hole of the consumable box 1 is coaxial with the slot structure. By correspondingly matching the slot structure of the consumable box 1 with the docking protruding column of the mounting groove 31, the corresponding communication between the air hole of the consumable box 1 and the connecting port 34 of the mounting groove 31 is realized.

[0043] At this time, the sealing groove 35 is formed on the outer side wall surface of the docking protruding column. When the sealing ring is filled in the sealing groove 35, the outer diameter of the sealing ring corresponds to abut against the inner wall surface of the slot structure of the consumable box 1, so as to realize the sealed connection between the slot structure of the consumable box 1 and the air path connecting part 33 of the mounting groove 31.​

[0044] In the embodiment of the utility model, when the consumable box 1 is fixedly contacted by the elastic arm 2 in the installation groove 31 of the consumable box connecting piece, due to the elastic force of the elastic arm 2, the force away from the elastic arm 2 is applied to the consumable box 1. In order to avoid the offset or skew state of the consumable box 1 in the installation position of the installation groove 31, as shown in the figure, the consumable box 1 is provided with two identical elastic arms 2 on the side, and the two elastic arms 2 are arranged on the opposite two sides of the consumable box 1, so that the elastic force received by the consumable box 1 is relatively balanced, thereby ensuring that the consumable box 1 is not offset in the installation groove. Figure 4

[0045] As shown in the figure, the consumable box 1 is formed with a rear shell 11, and the rear shell 11 is inserted into the installation groove 31, and in order to ensure the fixing effect of the elastic arm 2 on the consumable box 1, the elastic arm 2 needs to protrude outwardly from the outer wall of the rear shell 11 of the consumable box 1. As shown in the figure, the wall surface of the installation groove 31 towards the elastic arm 2 is formed with a guide surface 36 and a connecting surface 37 which are parallel to each other, the limiting hole 32 is located on the connecting surface 37, and the guide surface 36 abuts against the rear shell 11, so as to guide the rear shell 11 by the guide surface 36, ensure that the consumable box 1 can be inserted into the installation groove 31 along the extension direction of the guide surface 36 and the connecting surface 37, and when the elastic arm 2 abuts against the connecting surface 37, the guide surface 36 can form a limiting effect on the rear shell 11, thereby ensuring that the consumable box 1 will not be offset or skewed due to the rebound force of the elastic arm 2. Figure 4 Figures 1 to 3 Further, the cross section of the rear shell 11 is a square surface, two opposite guide surfaces 36 are formed in the installation groove 31, and the distance between the two guide surfaces 36 is equal to the height of the rear shell 11, thereby further improving the limiting effect of the installation groove 31 on the rear shell 11 of the consumable box 1.

[0046] The distance between the two guide surfaces 36 is less than the distance between the two connecting surfaces 37, so that the two guide surfaces 36 correspondingly adapt to the rear shell 11 of the consumable box 1, and the two connecting surfaces 37 correspondingly adapt to the two elastic arms 2 of the consumable box 1, thereby ensuring that the shape of the installation groove 31 in the consumable box connecting piece can adapt to the shape of the consumable box 1, and providing a certain rebound space for the elastic arm 2.

[0047] In the embodiment of the utility model, as described above, when the gas path connecting part 33 is a butt joint groove formed on the bottom wall surface of the installation groove 31, the consumable box has a ventilation protruding column corresponding to the groove. In order to avoid the ventilation protruding column of the consumable box 1 from being skewed in the groove due to the rebound force of the two elastic arms 2, as shown in the figure, the two elastic arms 2 are provided with a limiting protrusion 35, and the limiting protrusion 35 is arranged on the side of the elastic arm 2 away from the rear shell 11 of the consumable box 1, and the limiting protrusion 35 is arranged in the installation groove 31.

[0048] In the embodiment of the utility model, as described above, when the gas path connecting part 33 is a butt joint groove formed on the bottom wall surface of the installation groove 31, the consumable box has a ventilation protruding column corresponding to the groove. In order to avoid the ventilation protruding column of the consumable box 1 from being skewed in the groove due to the rebound force of the two elastic arms 2, as shown in the figure, the two elastic arms 2 are provided with a limiting protrusion 35, and the limiting protrusion 35 is arranged on the side of the elastic arm 2 away from the rear shell 11 of the consumable box 1, and the limiting protrusion 35 is arranged in the installation groove 31. Figure 2 ​​As shown, the bottom wall surface of the mounting groove 31 is further formed with a balance groove 38, the balance groove 38 is equal in shape to the shape of the docking groove. Preferably, the distance between the balance groove 38 and one of the guide surfaces 36 is D1, the distance between the docking groove and the other guide surface 36 is D2, D1 is equal to D2. At this time, the side surface of the consumable box 1 forming the venting protruding column structure is formed with a solid balance column, when the consumable box 1 is inserted into the mounting groove 31, the balance column can be inserted into the balance groove 38, by cooperation of the balance column and the venting protruding column structure, further ensure that the consumable box 1 will not appear skew phenomenon, ensure the accurate communication of the connecting port 34 and the vent hole, prevent the consumable box from leaking.

[0049] Correspondingly, as Figure 5 shown, the utility model also provides a peritoneal dialysis equipment, peritoneal dialysis equipment includes the consumable box connecting piece of the utility model. The peritoneal dialysis equipment of the utility model has all the beneficial effects of the above-mentioned consumable box connecting piece, which will not be repeated here.

[0050] Among them, as Figure 2 shown, the bottom wall surface of the connecting piece body 3 is spaced apart and provided with a plurality of mounting holes 39, the mounting hole 39 is a threaded hole, so as to install the connecting piece body 3 in the peritoneal dialysis equipment through bolts or studs, facilitate the disassembly of the connecting piece body 3, so as to facilitate the cleaning and disinfection of the connecting piece body 3, ensure the sanitation and safety of the patient when using the peritoneal dialysis equipment.

[0051] The above is the preferred embodiment of the utility model, it should be pointed out that for ordinary skilled person in the art, without departing from the principles of the present invention, can make a number of improvements and refinements, these improvements and refinements also be considered as the protection scope of the utility model.

Claims

1. A consumable cartridge connector for mounting a consumable cartridge, the consumable cartridge having a side surface provided with a hingeable elastic arm, the elastic arm forming a stopper boss, the elastic arm being adapted to bring the stopper boss closer to or farther away from the consumable cartridge, characterized in that, The consumable box connecting piece comprises a connecting piece body, the connecting piece body is formed with a mounting groove for fixing the consumable box, the mounting groove is provided with a limiting hole towards the side surface of the elastic arm, and the limiting hole of the mounting groove is used for clamping with the limiting boss of the consumable box.

2. The consumable cartridge connection of claim 1, wherein, The size of the limiting hole is greater than the size of the limiting boss.

3. The consumable cartridge connection of claim 1, wherein, The wall surface of the mounting groove is provided with an air path connecting part, the air path connecting part is formed with a connecting port and a sealing groove, and the sealing groove surrounds the connecting port.

4. The consumable cartridge connection of claim 3, wherein, The air path connecting part is a butt joint groove formed in the bottom wall surface of the mounting groove. Or, the air path connecting part is a butt joint convex column formed in the bottom wall surface of the mounting groove. The connecting port is coaxial with the butt joint groove or the butt joint convex column.

5. The consumable cartridge connection of claim 4, wherein, The consumable box has a rear shell, the wall surface of the mounting groove towards the elastic arm is formed with a guide surface and a connecting surface, the limiting hole is located on the connecting surface, and the guide surface can abut against the rear shell.

6. The consumable cartridge connection of claim 5, wherein, The distance between the two guide surfaces is less than the distance between the two connecting surfaces.

7. The consumable cartridge connection of claim 5, wherein, The cross section of the rear shell of the consumable box is a square surface, two opposite guide surfaces are formed in the mounting groove, and the distance between the two guide surfaces is equal to the height of the rear shell.

8. The consumable cartridge connection of claim 7, wherein, The bottom wall surface of the mounting groove is further formed with a balance groove, and the shape of the balance groove is the same as that of the butt joint groove.

9. A peritoneal dialysis apparatus, characterized by The consumable box connecting piece comprises a connecting piece body, the connecting piece body is formed with a mounting groove for fixing the consumable box, the mounting groove is provided with a limiting hole towards the side surface of the elastic arm, and the limiting hole of the mounting groove is used for clamping with the limiting boss of the consumable box.

10. The peritoneal dialysis apparatus of claim 9, wherein, The bottom wall surface of the connecting piece body is provided with a plurality of mounting holes, and the mounting holes are threaded holes.

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