Convergence plate, convergence device and blood smear preparation instrument
By integrating multiple converging channels on the manifold of the blood smear preparation instrument and achieving independent control, the problem of complex and high-cost pipeline systems in the existing technology is solved, reducing equipment costs and meeting working conditions requirements. .
Patent Information
- Application Number
- CN202420277398.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-05
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-02-05
AI Technical Summary
The pipeline system of existing blood smear preparation instruments is too complex and costly, resulting in high equipment costs.
By integrating multiple manifold channels on the manifold and utilizing cover plate sealing and crimping, independent control of each manifold channel is achieved, reducing the complexity of the piping system.
The piping system is simplified, equipment costs are reduced, and the on/off between the positive pressure input port, negative pressure input port and working output port is realized through valve body control to meet the needs of various working conditions.
Smart Images
Figure CN222377299U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a confluence plate, a confluence device and a blood smear preparation instrument. Background Art
[0002] In blood smear preparation instruments, air pressure is usually used to perform actions such as reagent delivery, waste liquid discharge, knife drying, slide drying, and slide dust removal. The blood smear preparation instrument requires a large number of solenoid valves and pipelines, the pipeline system is too complicated, and the equipment cost is high.
[0003] Based on this, there is an urgent need for a confluence plate, a confluence device and a blood smear preparation instrument to solve the above-mentioned problems. Utility Model Content
[0004] Based on the above, the purpose of the present invention is to provide a convergence plate, a convergence device and a blood smear preparation instrument, which solve the technical problems of complex and costly piping systems by integrating multiple convergence channels on the convergence plate.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] In a first aspect, a busbar is provided, comprising:
[0007] A bottom plate, one side of the bottom plate is provided with a first confluence flow channel, a second confluence flow channel and a plurality of third confluence flow channels, the first confluence flow channel is provided with a positive pressure input port and a plurality of first valve working holes, the second confluence flow channel is provided with a negative pressure input port and a plurality of second valve working holes, the third confluence flow channel is provided with a working output port and a third valve working hole, the first valve working hole, the second valve working hole and the third valve working hole are used to communicate with the valve body;
[0008] A cover plate is connected to the bottom plate, and the cover plate is sealed and crimped to the first flow converging channel, the second flow converging channel, and the third flow converging channel.
[0009] As a preferred technical solution for a busbar, the base plate is provided with a first connecting hole, the cover plate is provided with a second connecting hole, the first connecting hole and the second connecting hole are coaxial, and the first connecting hole and the second connecting hole are used to fix the valve body by fasteners.
[0010] As a preferred technical solution of a busbar, one of the cover plate and the bottom plate is made of non-light-transmitting plastic, and the other is made of light-transmitting plastic;
[0011] The edge of the first confluence channel, the edge of the second confluence channel, and the edge of the third confluence channel are all connected to the cover plate by laser welding.
[0012] As a preferred technical solution of a busbar, the minimum distance between the first busbar flow channel, the second busbar flow channel and the third busbar flow channel is greater than 1.2 mm.
[0013] As a preferred technical solution for a busbar, the minimum distances between the first connecting hole and the first busbar channel, the second busbar channel and the third busbar channel are all greater than 1.2 mm.
[0014] In a second aspect, a confluence device is provided, comprising a plurality of valve bodies and a confluence plate as described above, wherein the plurality of valve bodies are installed on a side of a base plate away from a cover plate, and the valve bodies are connected to a first valve working hole, a second valve working hole and a third valve working hole.
[0015] As a preferred technical solution for a confluence device, part of the valve body is a two-position two-way valve, and the two interfaces of the two-position two-way valve are connected to one of the first valve working holes and one of the third valve working holes, and / or the two interfaces of the two-position two-way valve are connected to one of the second valve working holes and one of the third valve working holes.
[0016] As a preferred technical solution of the confluence device, part of the valve body is a two-position three-way valve, and the two-position three-way valve is connected to one of the first valve working holes, one of the second valve working holes and one of the third valve working holes.
[0017] As a preferred technical solution of a confluence device, the confluence device further includes a fixing plate, the side of the cover plate facing away from the base plate is connected to the fixing plate, the fixing plate is provided with a mounting hole, and the mounting hole is used to connect to a position to be installed.
[0018] In a third aspect, a blood smear preparation instrument is provided, comprising the confluence device described in any one of the above items.
[0019] The beneficial effects of the utility model are:
[0020] The utility model provides a confluence plate, a confluence device and a blood smear preparation instrument, wherein a first confluence flow channel, a second confluence flow channel and a plurality of third confluence flow channels are integrated on one side of a base plate, after a cover plate is connected to the base plate, the cover plate is sealed and crimped to the first confluence flow channel, the second confluence flow channel and the third confluence flow channel, so that each confluence flow channel is independent, a positive pressure input port is connected to a positive pressure input element, a negative pressure input port is connected to a negative pressure input element, a working output port can be connected to each pneumatic actuator according to demand, and the on-off of the first valve working hole, the second valve working hole and the third valve working hole is controlled by a valve body, so that the on-off between the positive pressure input port, the negative pressure input port and the working output port is realized, and the valve body controls the pressure output of the working output port to meet various working conditions. The utility model integrates a plurality of confluence flow channels on a confluence plate to solve the technical problem of complex and costly pipeline systems. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments of the present invention. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the contents of the embodiments of the present invention and these drawings without paying any creative work.
[0022] Figure 1 It is a structural exploded diagram of a busbar provided in a specific embodiment of the utility model;
[0023] Figure 2 It is a front view of the bottom plate provided by the specific embodiment of the utility model;
[0024] Figure 3 It is a structural schematic diagram of a confluence device provided in a specific embodiment of the utility model;
[0025] Figure 4 It is a structural explosion diagram of a confluence device provided in a specific implementation manner of the utility model.
[0026] The following are marked in the figure:
[0027] 10. Busbar;
[0028] 1. Bottom plate; 11. First confluence channel; 111. Positive pressure input port; 112. First valve working hole; 12. Second confluence channel; 121. Negative pressure input port; 122. Second valve working hole; 13. Third confluence channel; 131. Working output port; 132. Third valve working hole; 14. First connecting hole;
[0029] 2. Cover plate; 21. Second connecting hole;
[0030] 20. Valve body;
[0031] 30. fixing plate; 301. mounting hole; 302. third connecting hole;
[0032] 40. Connector. DETAILED DESCRIPTION
[0033] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only the parts related to the present invention, rather than all structures, are shown in the accompanying drawings.
[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0035] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0036] In the description of this embodiment, the terms "upper", "lower", "left", "right" and other directions or positional relationships are based on the directions or positional relationships shown in the drawings, and are only for the convenience of description and simplified operation, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.
[0037] like Figure 1 and Figure 2As shown, the present embodiment provides a conduit plate 10, which includes a base plate 1 and a cover plate 2. A first conduit channel 11, a second conduit channel 12 and a plurality of third conduit channels 13 are provided on one side of the base plate 1. The first conduit channel 11 is provided with a positive pressure input port 111 and a plurality of first valve working holes 112. The second conduit channel 12 is provided with a negative pressure input port 121 and a plurality of second valve working holes 122. The third conduit channel 13 is provided with a working output port 131 and a third valve working hole 132. The first valve working hole 112, the second valve working hole 122 and the third valve working hole 132 are used to connect the valve body 20. The cover plate 2 is connected to the base plate 1, and the cover plate 2 is sealed and crimped to the first conduit channel 11, the second conduit channel 12 and the third conduit channel 13. Among them, the first confluence flow channel 11, the second confluence flow channel 12 and multiple third confluence flow channels 13 are all integrated on one side of the base plate 1. After the cover plate 2 is connected to the base plate 1, the cover plate 2 is sealed and crimped to the first confluence flow channel 11, the second confluence flow channel 12 and the third confluence flow channel 13, so as to realize the independence of each confluence flow channel. The positive pressure input port 111 is connected to the positive pressure input element, the negative pressure input port 121 is connected to the negative pressure input element, and the working output port 131 can be connected to each pneumatic actuator according to the demand. The first valve working hole 112, the second valve working hole 122 and the third valve working hole 132 are controlled by the valve body 20 to realize the connection and disconnection between the positive pressure input port 111, the negative pressure input port 121 and the working output port 131. The valve body 20 controls the pressure output of the working output port 131 to meet various working conditions. In this embodiment, multiple confluence flow channels are integrated on the confluence plate 10 to solve the technical problems of complex and high cost of the pipeline system.
[0038] In this embodiment, Figure 2 As shown, the bottom plate 1 is provided with a positive pressure input port 111, a negative pressure input port 121, and a plurality of working output ports 131. The positive pressure input port 111, the negative pressure input port 121, and the working output port 131 are threaded ports, which are connected to the power element or the actuator through the connector 40 and the hose. When working, the pressure generated by the gas source is transmitted to the positive pressure input port 111 and the negative pressure input port 121 through the hose and the connector 40, and is transmitted to the valve body 20 through the first confluence flow channel 11, the second confluence flow channel 12, or the third confluence flow channel 13 through the first valve working hole 112, the second valve working hole 122, or the third valve working hole 132. The valve body 20 switches the conduction of different confluence flow channels to control the pressure output of the working output port 131. The valve body 20 is a solenoid valve.
[0039] Preferably, if Figure 1 and Figure 2As shown, the bottom plate 1 is provided with a first connection hole 14, and the cover plate 2 is provided with a second connection hole 21. The first connection hole 14 and the second connection hole 21 are coaxial, and the first connection hole 14 and the second connection hole 21 are used to fix the valve body 20 through a fastener. Among them, each valve body 20 is correspondingly provided with two first connection holes 14, and the first connection holes 14 and the second connection holes 21 correspond to each other. The two first connection holes 14 are arranged diagonally. When the valve body 20 needs to be assembled, the valve body 20 is installed on the side of the bottom plate 1 away from the cover plate 2. The fastener is a screw, which can be inserted into the second connection hole 21 and the first connection hole 14 and threadedly connected to the valve body 20 to realize the assembly of the valve body 20.
[0040] Furthermore, the edges of the first confluence channel 11, the edges of the second confluence channel 12, and the edges of the third confluence channel 13 are all connected to the cover plate 2 by laser welding. On the one hand, the fixation of the cover plate 2 and the base plate 1 is achieved; on the other hand, the sealing between the cover plate 2 and the edges of the first confluence channel 11, the edges of the second confluence channel 12, and the edges of the third confluence channel 13 is achieved.
[0041] Preferably, one of the cover plate 2 and the base plate 1 is a non-translucent plastic, and the other is a translucent plastic. In this embodiment, the cover plate 2 is a transparent or translucent material to ensure the transmittance of welding, and the base plate 1 is a dark material to ensure the absorbance of welding. The base plate 1 and the cover plate 2 can be made of plastic materials such as PC (Polycarbonate) or PMMA (Polymethylmethacrylate). During welding, the laser beam passes through the cover plate 2, heats and dissolves the material in the edge area of the converging flow channel of the base plate 1, and then solidifies by cooling, so as to achieve a sealed connection between the base plate 1 and the cover plate 2.
[0042] Preferably, in order to ensure the light transmittance of the laser during welding, the thickness of the cover plate 2 should not exceed 1.5 mm. In order to ensure the strength of the weld, the minimum distance between the first confluence channel 11, the second confluence channel 12 and the third confluence channel 13 is greater than 1.2 mm. The minimum distance between the first connecting hole 14 and the first confluence channel 11, the second confluence channel 12 and the third confluence channel 13 is greater than 1.2 mm.
[0043] Furthermore, if Figure 1-Figure 4 As shown, this embodiment also provides a confluence device, including multiple valve bodies 20 and the above-mentioned confluence plate 10, the multiple valve bodies 20 are installed on the side of the base plate 1 away from the cover plate 2, and the valve bodies 20 are connected to the first valve working hole 112, the second valve working hole 122 and the third valve working hole 132.
[0044] In this embodiment, in order to meet the working requirements, part of the valve body 20 is a two-position two-way valve, and the two interfaces of the two-position two-way valve are connected to a first valve working hole 112 and a third valve working hole 132, which are used to control the actuator of positive pressure output, and / or the two interfaces of the two-position two-way valve are connected to a second valve working hole 122 and a third valve working hole 132, which are used to control the actuator of negative pressure output. Part of the valve body 20 is a two-position three-way valve, and the two-position three-way valve is connected to a first valve working hole 112, a second valve working hole 122 and a third valve working hole 132, which are used to control the actuator of negative pressure output or positive pressure output.
[0045] In this embodiment, the confluence device further includes a fixing plate 30, and the side of the cover plate 2 facing away from the bottom plate 1 is connected to the fixing plate 30. The fixing plate 30 is provided with a mounting hole 301, and the mounting hole 301 is used to connect to the position to be installed. Among them, a plurality of third connecting holes 302 are also provided on the fixing plate 30, and the third connecting holes 302, the second connecting holes 21 and the first connecting holes 14 correspond to each other. During assembly, bolts are passed through the third connecting holes 302, the second connecting holes 21 and the first connecting holes 14 and are threadedly connected to the valve body 20, thereby realizing the assembly and fixation of the fixing plate 30, the confluence plate 10 and the valve body 20. In this embodiment, there are four mounting holes 301, and the bolts are used to install the confluence device on the structural parts of the host through the mounting holes 301.
[0046] This embodiment also provides a blood smear preparation instrument, including the above-mentioned confluence device, with a simple piping system structure and reduced manufacturing costs.
[0047] Note that the above are only preferred embodiments of the present invention and the technical principles used. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and that various obvious changes, readjustments and substitutions can be made by those skilled in the art without departing from the scope of protection of the present invention. Therefore, although the present invention is described in more detail through the above embodiments, the present invention is not limited to the above embodiments, and may include more other equivalent embodiments without departing from the concept of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims
1. A busbar, characterized in that: include: A bottom plate (1), wherein one side of the bottom plate (1) is provided with a first confluence flow channel (11), a second confluence flow channel (12) and a plurality of third confluence flow channels (13), the first confluence flow channel (11) is provided with a positive pressure input port (111) and a plurality of first valve working holes (112), the second confluence flow channel (12) is provided with a negative pressure input port (121) and a plurality of second valve working holes (122), the third confluence flow channel (13) is provided with a working output port (131) and a third valve working hole (132), the first valve working hole (112), the second valve working hole (122) and the third valve working hole (132) being used for connecting to a valve body (20); A cover plate (2) is connected to the base plate (1), and the cover plate (2) is sealed and crimped to the first confluence channel (11), the second confluence channel (12) and the third confluence channel (13).
2. The busbar according to claim 1, characterized in that: The base plate (1) is provided with a first connecting hole (14), and the cover plate (2) is provided with a second connecting hole (21), the first connecting hole (14) and the second connecting hole (21) are coaxial, and the first connecting hole (14) and the second connecting hole (21) are used to fix the valve body (20) by means of fasteners.
3. The busbar according to claim 1, characterized in that: One of the cover plate (2) and the bottom plate (1) is made of non-light-transmitting plastic, and the other is made of light-transmitting plastic; The edge of the first confluence flow channel (11), the edge of the second confluence flow channel (12) and the edge of the third confluence flow channel (13) are all connected to the cover plate (2) by laser welding.
4. The busbar according to claim 1, characterized in that: The minimum distance between each of the first confluence flow channel (11), the second confluence flow channel (12) and the third confluence flow channel (13) is greater than 1.2 mm.
5. The busbar according to claim 2, characterized in that: The minimum distances between the first connecting hole (14) and the first confluence channel (11), the second confluence channel (12) and the third confluence channel (13) are all greater than 1.2 mm.
6. A confluence device, characterized in that: It comprises a plurality of valve bodies (20) and a manifold as described in any one of claims 1 to 5, wherein the plurality of valve bodies (20) are mounted on a side of a base plate (1) facing away from a cover plate (2), and the valve bodies (20) are connected to a first valve working hole (112), a second valve working hole (122) and a third valve working hole (132).
7. The confluence device according to claim 6, characterized in that: Part of the valve body (20) is a two-position two-way valve, wherein the two interfaces of the two-position two-way valve are connected to one of the first valve working holes (112) and one of the third valve working holes (132), and / or the two interfaces of the two-position two-way valve are connected to one of the second valve working holes (122) and one of the third valve working holes (132).
8. The confluence device according to claim 6, characterized in that: Part of the valve body (20) is a two-position three-way valve, and the two-position three-way valve is connected to one of the first valve working holes (112), one of the second valve working holes (122) and one of the third valve working holes (132).
9. The confluence device according to claim 6, characterized in that: It also comprises a fixing plate (30), the side of the cover plate (2) facing away from the base plate (1) being connected to the fixing plate (30), the fixing plate (30) being provided with a mounting hole (301), and the mounting hole (301) being used for connecting to a position to be mounted.
10. A blood smear preparation instrument, characterized in that: It comprises a confluence device as described in any one of claims 6 to 9.