Light shielding device for micro pump

Abstract

The utility model provides a light shielding device for a micro pump. The light shielding device comprises a shell, a front opening and a front cover, wherein the shell is provided with a mounting port capable of being mounted at the front end of the micro pump and an internal cavity communicated with the mounting port; after the shell is mounted at the front end of the micro pump through the mounting opening, a light shielding space is formed between the inner cavity and the micro pump; the front opening is formed in the shell; the front cover covers the front opening in an openable manner; and when the front cover covers the front opening, a light shielding space is formed between the inner cavity and the micro pump. According to the light shielding device for the micro pump, the shell is installed at the front end of the micro pump and can cover the position, where medicine is installed, of the micro pump, so that the medicine installed on the micro pump is located in the inner cavity; the front opening formed in the shell is an observation window, and the front cover can be opened at any time to visually observe the remaining amount of the medicine in the light shielding space in the infusion process.

Description

Technical Field

[0001] The utility model relates to the technical field of medical auxiliary equipment, and particularly relates to a light-shielding device capable of providing light-shielding protection for the injected drugs on a micro-infusion pump. Background Art

[0002] Micro-infusion pumps are widely used in the processes of infusion and injection, especially in scenarios where precise control of the drug delivery rate and quantity is required. It can achieve precise, uniform, and continuous pumping of drugs through an electronic control system, improving the therapeutic effect. Light-sensitive drugs are a special type of drugs that need to be shielded from light during the process of being infused into the human body, otherwise their components will change; there are many infusion drugs that need to be shielded from light, which can be divided into special-grade light-sensitive drugs, first-grade light-sensitive drugs, second-grade light-sensitive drugs, and third-grade light-sensitive drugs. Common drugs include sodium nitroprusside, levofloxacin hydrochloride, nimodipine, mecobalamin, etc. Some light-sensitive drugs need to be continuously and precisely infused into the human body using a micro-infusion pump.

[0003] Existing micro-infusion pumps are not equipped with a separate light-shielding device, and cannot effectively shield light from light-sensitive drugs during infusion. When using the above-mentioned micro-infusion pump to infuse light-sensitive drugs for patients, medical staff usually use black paper or black plastic bags to wrap the syringe containing the light-sensitive drugs to achieve the purpose of light shielding.

[0004] The current problem is that when using black paper or black plastic bags to shield light from light-sensitive drugs, there may be a situation where it cannot be completely covered, and the uncovered positions are still permeable to light, which will affect the stability of the drugs; after using black paper or black plastic bags to wrap light-sensitive drugs, it is impossible to observe the injection progress of the drugs, increasing the difficulty and uncertainty of drug replacement; each time black paper or black plastic bags are used to wrap light-sensitive drugs, it leads to an increase in workload; in addition, in order to avoid the drugs from becoming ineffective due to light transmission, medical staff may need to frequently check whether the light shielding is intact and the remaining amount of the drugs, further increasing the workload of medical staff.

[0005] Therefore, how to design a special light-shielding device that can be used in conjunction with a micro-infusion pump, which can completely shield light from the drugs that need to be shielded from light and can conveniently observe the remaining amount of the drugs at any time during infusion, is a technical problem that has not been solved in the prior art. Summary of the Utility Model

[0006] Therefore, the technical problem to be solved by the utility model is to overcome the technical defect that existing micro-infusion pumps are not equipped with a separate light-shielding device and cannot effectively shield light from drugs during infusion of light-sensitive drugs, so as to provide a light-shielding device that can be used in conjunction with a micro-infusion pump and can effectively shield light from light-sensitive drugs.

[0007] To this end, the present utility model provides an injection light-shielding device for a micro-infusion pump, comprising:

[0008] A housing having an installation opening capable of being installed at the front end of the micro-infusion pump and an internal cavity communicating with the installation opening; after the housing is installed at the front end of the micro-infusion pump through the installation opening, a light-shielding space is formed between the internal cavity and the micro-infusion pump;

[0009] A front opening is formed on the housing and communicates with the internal cavity, and the opening position is directly opposite to the position of the micro-infusion pump for installing the infusion set.

[0010] A front cover is detachably covered on the front opening; when the front cover is covered on the front opening, a light-shielding space is formed between the internal cavity and the micro-infusion pump; when the front cover is opened on the front opening, the infusion set installed on the micro-infusion pump can be observed.

[0011] As a preferred technical solution, the housing includes:

[0012] A bottom plate which is horizontally arranged;

[0013] A first side plate including a first bottom edge and a first arc edge connected to one end of the first bottom edge; the first bottom edge is fixedly connected to one side edge of the bottom plate, and the first arc edge extends upward and backward in an arc shape;

[0014] A second side plate is parallel and opposite to the first side plate, including a second bottom edge and a second arc edge connected to one end of the second bottom edge; the second bottom edge is fixedly connected to the other side edge of the bottom plate, and the second arc edge extends upward and backward;

[0015] A front panel is an arc-shaped plate, and the bottom edge and the left and right side edges are respectively fixedly connected to the bottom edge of the bottom plate, the first arc edge and the second arc edge to form the installation opening and the internal cavity.

[0016] As a preferred technical solution, the bottom plate, the first side plate, the second side plate and the front panel are integrally formed.

[0017] As a preferred technical solution, a first opening groove is formed at one end of the first side plate and the bottom plate where the first arc edge is not connected;

[0018] And / or, a second opening groove is formed at one end of the second side plate and the bottom plate where the second arc edge is not connected.

[0019] As a preferred technical solution, the front opening is formed on the front panel, and the four sides of the front cover extend beyond the four sides of the front opening by a certain distance.

[0020] As a preferred technical solution, the front cover is pivotally connected to cover the front opening; the pivotal connection structure includes:

[0021] Two rotating bumps are relatively fixedly arranged on the front panel and are located at both ends of the top of the front opening;

[0022] Two rotating shafts are respectively formed on the front cover and are used for rotatably installing into the inside of the rotating bumps.

[0023] As a preferred technical solution, flexible sponges are provided on the bottom surfaces of the parts of the four sides of the front cover that exceed the four sides of the front opening.

[0024] As a preferred technical solution, an installation structure is further provided on the housing for detachably installing the housing on the micropump; the installation structure includes:

[0025] A first installation ear is formed on the first side plate;

[0026] A second installation ear is formed on the second side plate and is opposite to the first installation ear;

[0027] Two threaded installation holes are respectively opened on the first installation ear and the second installation ear;

[0028] Two installation bolts are respectively threadedly installed inside the threaded installation holes;

[0029] Two rubber suction cups are screwed to the parts of the installation bolts that pass through the threaded installation holes.

[0030] As a preferred technical solution, both the first installation ear and the second installation ear are disc-shaped, are integrally formed on the first side plate and the second side plate respectively, and protrude from the bottom plate and the...

[0031] As a preferred technical solution, sponge layers are provided on the peripheral side edges of the housing near the installation port.

[0032] The technical solution provided by the present utility model has the following advantages:

[0033] 1. The light-shielding device for a syringe pump of the present utility model comprises: a housing, a front opening and a front cover; the housing has a mounting opening capable of being mounted at the front end of the syringe pump, and an internal cavity communicating with the mounting opening; after the housing is mounted at the front end of the syringe pump through the mounting opening, a light-shielding space is formed between the internal cavity and the syringe pump; the front opening is opened on the housing and communicates with the internal cavity, and the opening position is directly opposite to the position of the syringe pump for mounting an infusion set; the front cover is pivotally covered on the front opening; when the front cover is covered on the front opening, a sealed light-shielding space is formed between the internal cavity and the syringe pump; when the front cover is opened on the front opening, the infusion set mounted on the syringe pump can be observed.

[0034] When using the light-shielding device for a syringe pump of the present utility model, the housing is mounted at the front end of the syringe pump through the mounting opening to cover the position where the drug is mounted on the syringe pump, so that the drug mounted on the syringe pump is in the internal cavity; the front opening opened on the housing is an observation window, and the front cover can be opened at any time to directly observe the remaining amount of the drug in the light-shielding space during infusion; the front cover is pivotally covered on the front opening, and when the front cover on the housing is in a closed state, the housing covers the drug mounted on the syringe pump to block the light from irradiating the drug, thereby improving the light-shielding property.

[0035] 2. The light-shielding device for a syringe pump of the present utility model comprises: a bottom plate, a first side plate, a second side plate and a front panel; after the housing is mounted on the syringe pump, the bottom plate can enter the bottom position of the syringe pump to cover the bottom of the syringe pump for blocking the bottom light; the main functions of the first side plate and the second side plate are to provide light shielding and protection for both sides of the syringe pump, and at the same time, the first side plate and the second side plate can provide certain mechanical support to enhance the overall structural strength of the housing; the front panel can shield the front side of the syringe pump, and the front panel can also be used as a front barrier of the syringe pump, which can prevent damage to the syringe pump caused by accidental collision or scratching, or cause the drug mounted on the syringe pump to fall off, thereby improving the durability and safety of the device.

[0036] 3. The front cover of the light-shielding device for a syringe pump of the present utility model is of a rectangular arc surface structure, and its area is 1.2 times that of the front opening, and it can completely cover the front opening when closed; when the front cover is lifted, the front opening will be opened for directly observing the remaining amount of the drug during infusion at any time; after the front cover is closed, it can effectively block dust in the external environment from entering the light-shielding space, avoiding dust from contaminating the drug mounted on the syringe pump, thereby affecting its normal operation and the accuracy of drug injection.

[0037] 4. The light-shielding device for a micropump of the present utility model includes: a first mounting ear, a second mounting ear, bolt mounting holes, mounting bolts, and rubber suction cups; there are two threaded mounting holes, which are respectively opened on the first mounting ear and the second mounting ear; there are two mounting bolts, which are respectively threadedly mounted in the threaded mounting holes; there are two rubber suction cups, which are mounted on the mounting bolts. When it is necessary to fix the housing on the micropump, only need to turn the mounting bolts on both sides, and the mounting bolts will move relatively under the threaded drive with the threaded mounting holes, pushing the rubber suction cups mounted on the mounting bolts to suck on both sides of the micropump; this method of fixing is firm, and there is no need to frequently check whether the light-shielding device is intact, reducing the workload of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions in the prior art or the specific embodiments of the present utility model, the following briefly introduces the drawings used in the description of the prior art or specific embodiments.

[0039] Figure 1 It is a schematic diagram of the overall structure of the light-shielding device for a micropump of the present utility model.

[0040] Figure 2 It is Figure 1 another three-dimensional view.

[0041] Figure 3 It is to Figure 1 open the side cover in

[0042] Figure 4 It is Figure 1 exploded view.

[0043] Figure 5 It is Figure 1 the enlarged view of the structure of the fixing component in

[0044] Reference numerals: 1, housing; 2, mounting opening; 3, internal cavity; 4, front opening; 5, front cover; 6, bottom plate; 7, first side plate; 8, first bottom edge; 9, first arc edge; 10, second side plate; 11, second bottom edge; 12, second arc edge; 13, front panel; 14, first opening groove; 15, second opening groove; 16, rotating convex block; 17, rotating shaft; 18, first mounting ear; 19, second mounting ear; 20, threaded mounting hole; 21, mounting bolt; 22, rubber suction cup. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0045] To enable those skilled in the art to better understand this solution, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the scope of protection of this application.

[0046] It should be noted that the terms "first", "second", etc. in the claims and the specification of this application are used to distinguish similar objects, rather than to describe a specific order or sequence. In addition, the terms "comprising" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not limited to the clearly listed steps or units, but may also include other steps or units that are not clearly listed or are inherent to these processes, methods, products or devices.

[0047] In this application, the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the accompanying drawings. These terms are mainly used to better describe this application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation or be constructed and operated in a specific orientation. And, in addition to being able to represent an orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this application can be understood according to specific circumstances. In addition, the meaning of the term "plurality" should be two or more. It should be noted that, without conflict, the embodiments in this application and the features in the embodiments can be combined with each other.

[0048] This application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0049] This embodiment provides a light-shielding device for a microinfusion pump, as Figures 1-5As shown in the figure, it includes: a housing 1, a front opening 4 and a front cover 5; the housing 1 has a mounting port 2 that can be installed at the front end of the micro pump and an internal cavity 3 communicating with the mounting port 2; after the housing 1 is installed at the front end of the micro pump through the mounting port 2, a light-shielding space is formed between the internal cavity 3 and the micro pump; the front opening 4 is opened on the housing 1, communicates with the internal cavity 3, and the opening position is directly opposite to the position of the micro pump for installing the infusion set; the front cover 5 is pivotally covered on the front opening 4; when the front cover 5 is covered on the front opening 4, a light-shielding space is formed between the internal cavity 3 and the micro pump; when the front cover 5 is opened on the front opening 4, the infusion set installed on the micro pump can be observed.

[0050] When using the light-shielding device for the micro pump of the present utility model, the housing 1 is installed at the front end of the micro pump through the mounting port 2 to cover the position where the drug is installed on the micro pump, so that the drug installed on the micro pump is in the internal cavity 3; the front opening 4 opened on the housing 1 is an observation window, and the front cover 5 can be opened at any time to directly observe the remaining amount of the drug in the light-shielding space during infusion; the front cover 5 is pivotally covered on the front opening 4. When the front cover 5 on the housing 1 is in the closed state, the housing 1 covers the drug installed on the micro pump to block the light from irradiating the drug, thus improving the light-shielding property.

[0051] In this embodiment, the housing 1 includes: a bottom plate 6, a first side plate 7, a second side plate 10 and a front panel 13; wherein, the bottom plate 6 is horizontally arranged; the first side plate 7 includes a first bottom edge 8 and a first arc edge 9 connected to one end of the first bottom edge 8; the first bottom edge 8 is fixedly connected to one side edge of the bottom plate 6, and the first arc edge 9 extends upward and backward in an arc shape; the second side plate 10 is parallel and opposite to the first side plate 7, includes a second bottom edge 11 and a second arc edge 12 connected to one end of the second bottom edge 11; the second bottom edge 11 is fixedly connected to the other side edge of the bottom plate 6, and the second arc edge 12 extends upward and backward; the front panel 13 is an arc-shaped plate, and the bottom edge and the left and right side edges are respectively fixedly connected to the bottom edge of the bottom plate 6, the first arc edge 9 and the second arc edge 12 to form the mounting port 2 and the internal cavity 3.

[0052] After the housing 1 is installed on the micropump, the bottom plate 6 can enter the bottom position of the micropump to cover the bottom of the micropump for blocking the bottom light; the main functions of the first side plate 7 and the second side plate 10 are to provide light shielding and protection functions for both sides of the micropump. At the same time, the first side plate 7 and the second side plate 10 can provide a certain mechanical support to enhance the overall structural strength of the housing; the front panel 13 can shield the front side of the micropump. The front panel 13 can also serve as a front barrier for the micropump, which can prevent damage to the micropump caused by accidental collision or scratching, or cause the medicine installed on the micropump to fall off, improving the durability and safety of the device.

[0053] Preferably, the bottom plate 6, the first side plate 7, the second side plate 10 and the front panel 13 are integrally formed.

[0054] In this embodiment, a first opening groove 14 is formed at one end of the first side plate 7 and the bottom plate 6 that is not connected to the first arc edge 9; a second opening groove 15 is formed at one end of the second side plate 10 and the bottom plate 6 that is not connected to the second arc edge 12. The first opening groove 14 and the second opening groove 15 are used for the infusion pipeline to pass through.

[0055] In this embodiment, the front cover 5 is pivotally and openably covered on the front opening 4 through a rotational connection structure; the rotational connection structure includes: a rotational convex block 16 and a rotational shaft 17; there are two rotational convex blocks 16, which are relatively fixedly arranged on the front panel 13 and are located at both ends of the top of the front opening 4; there are two rotational shafts 17, which are respectively formed on the front cover 5 and are used for rotatably installing into the inside of the rotational convex block 16.

[0056] In this embodiment, flexible sponges are provided on the bottom surfaces of the four sides of the front cover 5 that exceed the four sides of the front opening 4. The front cover 5 is a rectangular arc surface structure, and its area is 1.2 times that of the front opening 4. When closed, it can completely cover the front opening 4; when the front cover is lifted, the front opening 4 will be opened for directly observing the remaining amount of the medicine during the infusion process at any time; after the front cover 5 is closed, it can also effectively block dust in the external environment from entering the light-shielded space, avoiding dust from contaminating the medicine installed on the micropump, thereby affecting its normal operation and the accuracy of drug injection.

[0057] In this embodiment, it further includes a mounting structure provided on the housing 1 for detachably mounting the housing 1 on the micropump; the mounting structure includes: a first mounting ear 18, a second mounting ear 19, threaded mounting holes 20, mounting bolts 21 and rubber suction cups 22; the first mounting ear 18 is formed on the first side plate 7; the second mounting ear 19 is formed on the second side plate 10 and is opposite to the first mounting ear 18; there are two threaded mounting holes 20, which are respectively opened on the first mounting ear 18 and the second mounting ear 19; there are two mounting bolts 21, which are respectively threadedly mounted inside the threaded mounting holes 20; there are two rubber suction cups 22, which are screwed to the parts of the mounting bolts 21 that pass through the threaded mounting holes 20. When it is necessary to fix the housing 1 on the micropump, just turn the mounting bolts 21 on both sides. The mounting bolts 21 will move relatively under the screw drive with the threaded mounting holes 20, and push the rubber suction cups 22 mounted on the mounting bolts 21 to suck on both sides of the micropump; this method of fixing is firm, and there is no need to frequently check whether the light-shielding device is in good condition, reducing the workload of the staff.

[0058] Preferably, both the first mounting ear 18 and the second mounting ear 19 are disc-shaped, and are integrally formed on the first side plate 7 and the second side plate 10 respectively, and protrude from the bottom plate 6 and the.

[0059] Preferably, sponge layers are provided on the peripheral sides of the housing 1 near the mounting port 2.

[0060] The usage method of the cement paste equipment in this embodiment is as follows:

[0061] First, install the housing 1 on the front end of the micropump through the mounting port 2, covering the position where the drug is mounted on the micropump, so that the drug mounted on the micropump is in the internal cavity 3; the front opening 4 opened on the housing 1 is an observation window, and the front cover 5 can be opened at any time to directly observe the remaining amount of the drug in the light-shielded space during infusion; the front cover 5 is pivotally covered on the front opening 4 through a rotational connection structure; the rotational connection structure includes a rotational convex block 16 and a rotational shaft 17; the rotational shaft 17 is used to rotatably mount into the rotational convex block 16; when the front cover 5 on the housing 1 is in a closed state, the housing 1 forms a cover for the drug mounted on the micropump, blocking the light from irradiating the drug.

[0062] After the housing 1 is installed on the micropump, the bottom plate 6 can enter the bottom position of the micropump to cover the bottom of the micropump for blocking the bottom light; the main functions of the first side plate 7 and the second side plate 10 are to provide light shielding and protection for both sides of the micropump. At the same time, the first side plate 7 and the second side plate 10 can provide a certain mechanical support to enhance the overall structural strength of the housing; the front panel 13 can shield the front side of the micropump, and the front panel 13 can also serve as a front barrier of the micropump, which can prevent damage to the micropump caused by accidental collision or scratching, or prevent the drugs installed on the micropump from falling off, improving the durability and safety of the device.

[0063] When fixing the housing 1, only need to turn the installation bolts 21 on both sides. The installation bolts 21 will perform screw drive with the threaded installation holes 20 opened on the first installation ear 18 and the second installation ear 19, and generate relative movement under the screw drive, pushing the rubber suction cups 22 installed on the installation bolts 21 to suck on both sides of the micropump; using this method, the fixation is reliable, and there is no need to frequently check whether the light-shielding device is intact, reducing the workload of the staff.

[0064] Obviously, the above embodiments are only examples clearly described and not limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all the implementation manners here. And the obvious changes or modifications derived therefrom are still within the protection scope of this innovative technical solution.

Claims

1. A light shielding device for a micro pump, characterized in that: include: A housing (1) having a mounting opening (2) capable of being mounted on the front end of a micro pump, and an internal cavity (3) communicating with the mounting opening (2); after the housing (1) is mounted on the front end of the micro pump through the mounting opening (2), a light-proof space is formed between the internal cavity (3) and the micro pump; A front opening (4) is formed on the housing (1) and communicates with the internal cavity (3), and the opening position is directly opposite to a position of the micro pump for installing an infusion set; The front cover (5) can be opened and closed to cover the front opening (4); when the front cover (5) is closed on the front opening (4), a light-proof space is formed between the internal cavity (3) and the micro pump; when the front cover (5) is opened on the front opening (4), an infusion set installed on the micro pump can be observed.

2. The light shielding device for a micro pump according to claim 1, characterized in that: The housing (1) comprises: A bottom plate (6) is arranged horizontally; A first side plate (7) comprises a first bottom edge (8) and a first arc-shaped edge (9) connected to one end of the first bottom edge (8); the first bottom edge (8) is fixedly connected to a side edge of the bottom plate (6), and the first arc-shaped edge (9) extends upward and backward in an arc shape; A second side plate (10) is parallel to and opposite to the first side plate (7), and comprises a second bottom edge (11), and a second arc-shaped edge (12) connected to one end of the second bottom edge (11); the second bottom edge (11) is fixedly connected to the other side edge of the bottom plate (6), and the second arc-shaped edge (12) extends upward and backward; The front panel (13) is a curved plate, the bottom edge and the left and right side edges are respectively fixedly connected to the bottom edge of the bottom plate (6), the first curved edge (9) and the second curved edge (12), so as to form the installation opening (2) and the internal cavity (3).

3. The light shielding device for a micro pump according to claim 2, characterized in that: The bottom plate (6), the first side plate (7), the second side plate (10) and the front panel (13) are integrally formed.

4. The light shielding device for a micro pump according to claim 2 or 3, characterized in that: A first opening groove (14) is formed at one end of the first side plate (7) and the bottom plate (6) that is not connected to the first arc-shaped edge (9); And / or, a second opening groove (15) is formed at an end of the second side plate (10) and the bottom plate (6) that is not connected to the second arc-shaped edge (12).

5. The light shielding device for a micro pump according to claim 2, characterized in that: The front opening (4) is opened on the front panel (13), and the four sides of the front cover (5) extend beyond the four sides of the front opening (4) by a certain distance.

6. The light shielding device for a micro pump according to claim 5, characterized in that: The front cover (5) can be opened and closed on the front opening (4) via a rotating connection structure; The rotating connection structure comprises: Two rotating protrusions (16) are relatively fixedly arranged on the front panel (13) and located at two ends of the top of the front opening (4); There are two rotating shafts (17), which are respectively formed on the front cover (5) and are used to be rotatably installed inside the rotating protrusion (16).

7. The light shielding device for a micro pump according to claim 5, characterized in that: Flexible sponges are provided on the bottom surfaces of the four sides of the front cover (5) that extend beyond the four sides of the front opening (4).

8. The light shielding device for a micro pump according to claim 2, characterized in that: It also includes a mounting structure arranged on the housing (1) and used for detachably mounting the housing (1) on the micro pump; the mounting structure includes: A first mounting ear (18) formed on the first side plate (7); a second mounting ear (19) formed on the second side plate (10) and opposite to the first mounting ear (18); Two threaded mounting holes (20) are respectively provided on the first mounting ear (18) and the second mounting ear (19); Two mounting bolts (21) are respectively threadedly mounted inside the threaded mounting holes (20); There are two rubber suction cups (22) which are threadedly connected to the portion of the mounting bolt (21) that passes through the threaded mounting hole (20).

9. The light shielding device for a micro pump according to claim 8, characterized in that: The first mounting ear (18) and the second mounting ear (19) are both disc-shaped, and are integrally formed on the first side plate (7) and the second side plate (10), respectively, and protrude from the bottom plate (6) and the bottom plate (6).

10. The light shielding device for a micro pump according to claim 8, characterized in that: Sponge layers are provided on the four sides of the shell (1) near the installation opening (2).

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