CN220204098U - Peristaltic pump sheet assembly and infusion pump - Google Patents
Peristaltic pump sheet assembly and infusion pump Download PDFInfo
- Publication number
- CN220204098U CN220204098U CN202321583134.1U CN202321583134U CN220204098U CN 220204098 U CN220204098 U CN 220204098U CN 202321583134 U CN202321583134 U CN 202321583134U CN 220204098 U CN220204098 U CN 220204098U
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- waterproof membrane
- pump
- pump sheet
- peristaltic pump
- sheet assembly
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 36
- 238000001802 infusion Methods 0.000 title claims abstract description 16
- 239000012528 membrane Substances 0.000 claims abstract description 62
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 230000003628 erosive effect Effects 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model relates to the field of medical instruments, in particular to a peristaltic pump sheet assembly and an infusion pump. The peristaltic pump sheet assembly comprises a waterproof membrane sheet and a plurality of pump sheet main bodies; the waterproof membrane is provided with a plurality of mounting openings, and each mounting opening is used for a pump sheet main body to pass through; each pump sheet main body comprises a first limiting part and a second limiting part, wherein the first limiting parts and the second limiting parts are distributed on two sides of the mounting opening and are respectively abutted with two sides of the waterproof membrane. The peristaltic pump piece subassembly can reduce the risk that water leakage appears in waterproof diaphragm and pump piece main part junction, reduces the probability that the waterproof diaphragm appears damaging to extension waterproof diaphragm's life avoids the infusion pump to lead to the erosion or the damage that intakes because of waterproof diaphragm inefficacy.
Description
Technical Field
The utility model relates to the field of medical instruments, in particular to a peristaltic pump sheet assembly and an infusion pump.
Background
In the prior art, a waterproof membrane used for an infusion pump is a covering type, and is covered on a pump body, and the waterproof membrane can be inevitably deformed due to fatigue and can influence the infusion precision; the fixed waterproof membrane is used, and the waterproof membrane is fixed on the peristaltic sheet and cannot influence accuracy due to fatigue, but when the fixed waterproof membrane is assembled by the conventional peristaltic sheet, the waterproof effect and the service life of the waterproof membrane can be reduced. The existing peristaltic sheets are used for installing the waterproof membrane, and the opening of the waterproof membrane may have the risk of being corroded by liquid medicine or entering water, so that the pump body is damaged; the waterproof membrane is installed by using the existing peristaltic sheets, and the joint of the fixed part and the moving part of the waterproof membrane can be cracked and damaged due to long-time movement, so that the waterproof membrane is invalid.
Disclosure of Invention
The utility model aims to provide a peristaltic pump sheet assembly and an infusion pump, which can reduce the risk of water leakage at the joint of a waterproof sheet and a pump sheet main body and reduce the probability of damage of the waterproof sheet, thereby prolonging the service life of the waterproof sheet and avoiding corrosion or damage caused by water inflow of the infusion pump due to failure of the waterproof sheet.
Embodiments of the present utility model are implemented as follows:
in a first aspect, the present utility model provides a peristaltic pump sheet assembly comprising a waterproof membrane and a plurality of pump sheet bodies; the waterproof membrane is provided with a plurality of mounting openings, and each mounting opening is used for a pump sheet main body to pass through;
each pump sheet main body comprises a first limiting part and a second limiting part, wherein the first limiting parts and the second limiting parts are distributed on two sides of the mounting opening and are respectively abutted with two sides of the waterproof membrane.
In an alternative embodiment, the waterproof membrane further comprises a plurality of connecting sleeves, each connecting sleeve is correspondingly connected to one mounting port and is communicated with the corresponding mounting port, and the connecting sleeve is sleeved on the pump sheet main body corresponding to the mounting port.
In an alternative embodiment, the plurality of connecting sleeves all project in the same direction.
In an alternative embodiment, the first limiting portion and the second limiting portion are respectively located at two ends of the extending direction of the connecting sleeve, and are respectively abutted to the waterproof membrane and the connecting sleeve.
In an alternative embodiment, the pump blade main body is provided with a mounting groove, and two opposite side groove walls of the mounting groove form a first limit part and a second limit part; the connecting sleeve is sleeved at the bottom of the mounting groove.
In an alternative embodiment, the width of the mounting groove coincides with the length of the connecting sleeve in the direction of extension of the connecting sleeve.
In an alternative embodiment, the pump vane body includes at least a first segment, a second segment, and a third segment;
the thickness of the first section and the thickness of the third section are larger than those of the second section, the connecting sleeve is sleeved on the second section, and the first section and the third section are located on two sides of the connecting sleeve.
In an alternative embodiment, one or both of the first segment and the third segment are detachably connected to the second segment.
In an alternative embodiment, the waterproof membrane is a groove, and the plurality of mounting openings are all formed in the groove bottom of the waterproof membrane.
In a second aspect, the present utility model provides an infusion pump comprising a peristaltic pump sheet assembly as described above.
The beneficial effects of the embodiment of the utility model include:
the peristaltic pump sheet assembly comprises a waterproof membrane sheet and a plurality of pump sheet main bodies; the waterproof membrane is provided with a plurality of mounting openings, and each mounting opening is used for a pump sheet main body to pass through; each pump sheet main body comprises a first limiting part and a second limiting part, wherein the first limiting parts and the second limiting parts are distributed on two sides of the mounting opening and are respectively abutted with two sides of the waterproof membrane. The peristaltic pump piece subassembly can reduce the risk that water leakage appears in waterproof diaphragm and pump piece main part junction, reduces the probability that the waterproof diaphragm appears damaging to extension waterproof diaphragm's life avoids the infusion pump to lead to the erosion or the damage that intakes because of waterproof diaphragm inefficacy.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a peristaltic pump sheet assembly according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a pump vane according to an embodiment of the present utility model at a first view;
FIG. 3 is a schematic view of a pump vane according to a second embodiment of the present utility model;
fig. 4 is a schematic structural view of a pump vane according to a second view of the pump vane body according to another embodiment of the present utility model.
Icon 100-peristaltic pump sheet assembly; 110-a waterproof membrane; 120-pump sheet body; 111-mounting port; 121-a first limiting part; 122-a second limit part; 112-connecting sleeve; 123-mounting slots; 124-first segment; 125-second segment; 126-third segment.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
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 directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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.
Referring to fig. 1-3, the present embodiment provides a peristaltic pump sheet assembly 100, wherein the peristaltic pump sheet assembly 100 includes a waterproof membrane 110 and a plurality of pump sheet bodies 120; the waterproof membrane 110 is provided with a plurality of mounting openings 111, and each mounting opening 111 is used for a pump sheet main body 120 to pass through;
each pump sheet main body 120 includes a first limiting portion 121 and a second limiting portion 122, and the first limiting portion 121 and the second limiting portion 122 are distributed on two sides of the mounting opening 111 and respectively abut against two sides of the waterproof membrane 110.
In the present embodiment, the waterproof membrane 110 is a groove, and the plurality of mounting openings 111 are all formed at the bottom of the waterproof membrane 110; peristaltic pump sheet assembly 100 includes a plurality of pump sheet bodies 120, and in this embodiment, a configuration of one of pump sheet bodies 120 is described as an example.
Referring to fig. 1-3, the peristaltic pump sheet assembly 100 operates according to the following principles:
the peristaltic pump sheet assembly 100 includes a waterproof membrane 110 and a plurality of pump sheet bodies 120; wherein, the waterproof membrane 110 is provided with a plurality of mounting openings 111, and each mounting opening 111 is provided for one pump sheet main body 120 to pass through; each pump sheet main body 120 comprises a first limiting part 121 and a second limiting part 122, the first limiting parts 121 and the second limiting parts 122 are distributed on two sides of the mounting opening 111 and respectively abut against two sides of the waterproof membrane 110, so that when the peristaltic pump sheet assembly 100 works, along with the movement of the pump sheet main body 120, the tightness of the joint of the pump sheet main body 120 and the mounting opening 111 of the waterproof membrane 110 can be maintained by abutting the first limiting parts 121 and the second limiting parts 122 against two sides of the waterproof membrane 110, and the condition that water leakage occurs at the joint of the pump sheet main body 120 and the mounting opening 111 of the waterproof membrane 110 is avoided; moreover, in such a setting manner, when the waterproof membrane 110 moves together with the pump sheet main body 120, the first limiting portion 121 and the second limiting portion 122 can play a role in limiting and supporting the waterproof membrane 110, so that the joint of the relatively fixed portion of the waterproof membrane 110 and the pump sheet main body 120 and the moving portion thereof is not always in a deformed state, and therefore the joint of the relatively fixed portion of the waterproof membrane 110 and the pump sheet main body 120 and the moving portion thereof is prevented from cracking, thereby the stability in use of the pump sheet main body 120 and the waterproof membrane 110 can be maintained, the damage of the waterproof membrane 110 is reduced, and the service life of the waterproof membrane 110 is prolonged.
In summary, the peristaltic pump sheet assembly 100 can reduce the risk of water leakage at the joint of the waterproof membrane 110 and the pump sheet main body 120, and reduce the damage probability of the waterproof membrane 110, thereby prolonging the service life of the waterproof membrane 110 and avoiding the erosion or damage caused by water inflow due to failure of the waterproof membrane 110 of the infusion pump.
Further, referring to fig. 1-3, in the present embodiment, the waterproof membrane 110 further includes a plurality of connecting sleeves 112, each connecting sleeve 112 is correspondingly connected to one mounting opening 111, and is in conduction with the corresponding mounting opening 111, and the connecting sleeve 112 is sleeved on the pump sheet main body 120 corresponding to the mounting opening 111. At this time, the first limiting portion 121 and the second limiting portion 122 are respectively located at two ends of the extending direction of the connecting sleeve 112, and respectively abut against the waterproof membrane 110 and the connecting sleeve 112. Therefore, the connecting sleeve 112 is sleeved on the pump sheet main body 120, so that the contact area between the waterproof membrane 110 and the pump sheet main body 120 is increased, and under the abutting action of the first limiting part 121 and the second limiting part 122, the tightness between the waterproof membrane 110 and the pump sheet main body 120 and the use stability of the waterproof membrane 110 can be effectively increased.
In this embodiment, the plurality of connecting sleeves 112 are all protruded toward the same direction; when the connecting sleeve 112 is arranged, the connecting sleeve 112 and the waterproof membrane 110 are integrally manufactured; in other embodiments of the present utility model, when a plurality of connecting sleeves 112 are provided, the protruding directions of the connecting sleeves 112 may be adjusted according to the requirements of use, for example, adjacent connecting sleeves 112 may be made to protrude in opposite directions, so as to reduce the movement of the waterproof membrane 110 during the movement of the adjacent two connecting sleeves 112 and the pump sheet main body 120.
Further, referring to fig. 1 to 3, in the present embodiment, in order to form the first limiting portion 121 and the second limiting portion 122 when the pump blade main body 120 is provided, a manner of forming the mounting groove 123 in the pump blade main body 120 may be adopted, and by forming the mounting groove 123, the first limiting portion 121 and the second limiting portion 122 may be formed on two opposite side groove walls of the mounting groove 123, and in cooperation with the connecting sleeve 112, a manner of sleeving the connecting sleeve 112 on the groove bottom of the mounting groove 123 may be adopted; by such arrangement, the connection with the connecting sleeve 112 can be ensured, and the first and second stopper portions 121 and 122 can be formed simultaneously, so that the structure of the pump sheet main body 120 can be simplified, and the manufacturing cost of the pump sheet main body 120 can be reduced.
Based on the above configuration, since the pump vane body 120 is provided with the coupling sleeve 112, the width of the mounting groove 123 is consistent with the length of the coupling sleeve 112 along the extending direction of the coupling sleeve 112 in order to enable the first and second limiting portions 121 and 122 to abut against the two ends of the coupling sleeve 112.
In addition, unlike the above-mentioned arrangement of the pump vane body 120, referring to fig. 4, and referring to fig. 1, in other embodiments of the present utility model, the pump vane body 120 may be arranged in sections, that is, the pump vane body 120 includes at least a first section 124, a second section 125, and a third section 126; the thickness of the first section 124 and the third section 126 is greater than that of the second section 125, the connecting sleeve 112 is sleeved on the second section 125, and the first section 124 and the third section 126 are positioned on two sides of the connecting sleeve 112; in this way, the pump blade main body 120 can be matched with the connector in the process of setting the pump blade main body, and the limit and support functions are realized on the connecting sleeve 112; and one or both of the first section 124 and the third section 126 are detachably connected to the second section 125 for the purpose of simplifying the installation and maintenance of the pump blade body 120.
Based on the above, referring to fig. 1 to 4, the present utility model further provides an infusion pump, which includes the peristaltic pump sheet assembly 100 described above.
The peristaltic pump sheet assembly 100 can avoid erosion or damage caused by water inflow of the infusion pump due to failure of the waterproof membrane 110.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. A peristaltic pump sheet assembly, characterized by:
the peristaltic pump sheet assembly comprises a waterproof membrane sheet and a plurality of pump sheet main bodies; the waterproof membrane sheet is provided with a plurality of mounting openings, and each mounting opening is used for one pump sheet main body to pass through;
each pump sheet main body comprises a first limiting part and a second limiting part, wherein the first limiting parts and the second limiting parts are distributed on two sides of the mounting opening and are respectively abutted with two sides of the waterproof membrane.
2. The peristaltic pump sheet assembly of claim 1 wherein:
the waterproof membrane also comprises a plurality of connecting sleeves, each connecting sleeve is correspondingly connected to one mounting opening and is communicated with the corresponding mounting opening, and the connecting sleeves are sleeved on the pump sheet main body corresponding to the mounting opening.
3. The peristaltic pump sheet assembly of claim 2 wherein:
the connecting sleeves all protrude towards the same direction.
4. The peristaltic pump sheet assembly of claim 2 wherein:
the first limiting part and the second limiting part are respectively positioned at two ends of the extending direction of the connecting sleeve and respectively abutted with the waterproof membrane and the connecting sleeve.
5. The peristaltic pump sheet assembly of claim 4 wherein:
the pump sheet main body is provided with a mounting groove, and the groove walls at two opposite sides of the mounting groove form the first limit part and the second limit part; the connecting sleeve is sleeved at the bottom of the mounting groove.
6. The peristaltic pump sheet assembly of claim 5 wherein:
along the extending direction of the connecting sleeve, the width of the mounting groove is consistent with the length of the connecting sleeve.
7. The peristaltic pump sheet assembly of claim 2 wherein:
the pump vane main body at least comprises a first section, a second section and a third section;
the thickness of the first section and the thickness of the third section are larger than those of the second section, the connecting sleeve is sleeved on the second section, and the first section and the third section are located on two sides of the connecting sleeve.
8. The peristaltic pump sheet assembly of claim 7 wherein:
one or both of the first segment and the third segment are detachably connected to the second segment.
9. A peristaltic pump sheet assembly as claimed in any one of claims 1 to 8, wherein:
the waterproof membrane is groove-shaped, and a plurality of mounting openings are formed in the bottom of the waterproof membrane.
10. An infusion pump, characterized in that:
the infusion pump comprising a peristaltic pump sheet assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321583134.1U CN220204098U (en) | 2023-06-20 | 2023-06-20 | Peristaltic pump sheet assembly and infusion pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321583134.1U CN220204098U (en) | 2023-06-20 | 2023-06-20 | Peristaltic pump sheet assembly and infusion pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204098U true CN220204098U (en) | 2023-12-19 |
Family
ID=89139368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321583134.1U Active CN220204098U (en) | 2023-06-20 | 2023-06-20 | Peristaltic pump sheet assembly and infusion pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204098U (en) |
-
2023
- 2023-06-20 CN CN202321583134.1U patent/CN220204098U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |