Fluid control device

By designing a first component that integrates sealing and light shading functions, the problems of complex structure and light series of existing fluid control devices are solved, and better sealing and light management effects are achieved.

CN222577407UActive Publication Date: 2025-03-07NINGBO JIAERLING PNEUMATIC MACHINERY
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Patent Information

Application Number
CN202420728576.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-03-07
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

The existing fluid control devices have complex structures and many parts, which leads to poor sealing and light occlusion effects, which increases the phenomenon of light chaining.

Method used

A fluid control device is designed, including a first component integrated with the first sealing part and the first light shielding part. The first sealing part is sleeved on the first light guide and abuts with the base. The first light shielding part is sleeved on the first light guide, which not only realizes sealing but also reduces light series.

Benefits of technology

By reducing the number of parts, improving sealing and light occlusion effect, reducing the light chain phenomenon, and optimizing the structure of the fluid control device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a fluid control device, the fluid control device comprises a first light guide piece, a first component and a base, the first component comprises a first sealing part and a first shading part, the first sealing part is located at one end of the first shading part, the first sealing part and the first shading part are an integrated piece, and the first light guide piece is located at the other end of the first shading part. The first sealing part is arranged on the first light guide piece in a sleeving mode, the first sealing part abuts against the base, and the first light shielding part is arranged on the first light guide piece in a sleeving mode. According to the fluid control device, the first component comprises the first sealing part and the first shading part, the first sealing part and the first shading part are integrated, the first sealing part is arranged on the first light guide part in a sleeving mode, the first sealing part abuts against the base, the first shading part is arranged on the first light guide part in a sleeving mode, and the first component can play a role in sealing; at least part of light can be shielded, optical crosstalk is reduced, and the number of parts of the valve terminal is reduced.
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Description

[Technical field]

[0001] The utility model relates to the field of fluid control, in particular to a fluid control device. [Background technology]

[0002] A valve island includes a base, multiple solenoid valves, a bus control module and a circuit board. The multiple solenoid valves are arranged on the same side of the base and are arranged on the base. The bus control module is arranged on the base. The base has a accommodating cavity. The circuit board is arranged in the accommodating cavity. The solenoid valve includes a pilot valve. The pilot valve has a plug-in terminal. The pilot valve is plugged into the circuit board through the plug-in terminal.

[0003] The pilot valve includes a light guide column, and the circuit board includes a light bead. One end of the light guide column is opposite to the light bead. Each solenoid valve has two light guide columns, and the circuit board is provided with two corresponding light beads. Since the light beads are close to each other, a part of the light emitted by one of the light beads can be guided out through the other (non-opposite) light guide column, resulting in cross-talk. The valve island includes a light isolation plate, and the light isolation plate has multiple accommodating spaces extending through the thickness direction of the light isolation plate. The light isolation plate extends along the arrangement direction of the solenoid valves, and each light bead is correspondingly arranged in a accommodating space, thereby reducing cross-talk.

[0004] The valve island includes multiple sealing rings. Each light guide sleeve is provided with a sealing ring. The sealing ring is sealed with the valve seat. The valve island has many parts and its structure needs to be further optimized. [Contents of the utility model]

[0005] In order to solve the above problems, the following technical solution is provided: a fluid control device, comprising a first light guide, a first component and a base, the first component comprising a first sealing portion and a first light shading portion, the first sealing portion and the first light shading portion are an integral part, the first sealing portion is sleeved on the first light guide, the first sealing portion abuts against the base, and the first light shading portion is sleeved on the first light guide.

[0006] In such a fluid control device, the first component includes a first sealing portion and a first shading portion, the first sealing portion and the first shading portion are an integrated part, the first sealing portion is sleeved on the first light guide member, the first sealing portion abuts against the base, and the first shading portion is sleeved on the first light guide member. The first component can not only play a sealing role, but also block at least part of the light, thereby reducing cross-light and reducing the number of components of the valve island.

Brief Description of the Drawings

[0007] Figure 1 It is a three-dimensional diagram of an embodiment of the fluid control device in the utility model;

[0008] Figure 2 It is a cross-sectional view of an embodiment of the fluid control device of the utility model;

[0009] Figure 3 is another cross-sectional view of an embodiment of the fluid control device of the utility model;

[0010] Figure 4 yes Figure 3 A partial enlarged view of part A;

[0011] Figure 5 It is a partial structural schematic diagram of an implementation mode of the pilot valve in the utility model;

[0012] Figure 6 It is a cross-sectional view of an embodiment of the first light guide member in the utility model;

[0013] Figure 7 It is a structural schematic diagram of an implementation mode of the first component in the utility model;

[0014] Figure 8 It is a cross-sectional view of an embodiment of the first component in the utility model;

[0015] Fig. 9 It is a cross-sectional view of another embodiment of the first component in the utility model.

[0016] Reference numerals:

[0017] Solenoid valve 1,

[0018] Pilot valve 11, pilot valve body 111, pilot housing 112, first light guide 113, first light guide portion 1131, first stopper portion 1132, second light guide portion 1133, second light guide 114, plug-in terminal 115,

[0019] The valve body 12, the second accommodating chamber 121, the valve stem 122, the second passage 123,

[0020] The first component 2, the first sealing portion 21, the first light shielding portion 22,

[0021] Base 3, first groove 31, first accommodating cavity 32, third channel 33,

[0022] Substrate 41, light source 42, socket 43,

[0023] Control module 5. [Specific implementation method]

[0024] The technical solution of the specific implementation method is described below in conjunction with the accompanying drawings.

[0025] It should be noted that: although this specification has described the utility model with reference to the above-mentioned implementation modes, ordinary technicians in the field should understand that technicians in the relevant technical field can still modify, combine or replace the utility model with equivalents, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the utility model should be included in the scope of the utility model.

[0026] refer to Figure 1 , a fluid control device, such as a valve island, the valve island includes a base 3, a control module 5 and a circuit board, the solenoid valve 1 is located on the upper surface of the base 3, the solenoid valve 1 is limitedly connected to the base 3, such as a screw connection, the control module is limitedly connected to the base 3, the base 3 has a first accommodating cavity 32, the circuit board is located in the first accommodating cavity 32, the solenoid valve 1 is plug-connected to the circuit board, the number of the solenoid valves 1 is multiple, and the multiple solenoid valves 1 are arranged in the length direction of the base 3.

[0027] refer to Figure 2 Each solenoid valve 1 includes two pilot valves 11 and a valve body 12. The two pilot valves 11 are located on the same side of the valve body 12. The valve body 12 is limitedly connected to the base 3, such as a screw connection, and the pilot valve 11 is limitedly connected to the base 3, such as a screw connection.

[0028] refer to Figure 3-Figure 5 The pilot valve 11 includes a pilot valve body 111, a pilot housing 112 and a first light guide 113. The pilot housing 112 is limitedly connected to the pilot valve body 111, such as a screw connection. Part of the first light guide 113 is located in the pilot housing 112, and part of the first light guide 113 is located in the base 3.

[0029] refer to Figure 2 The valve body 12 has a second accommodating chamber 121, and the valve body 12 has a valve stem 122. The valve stem 122 is located in the second accommodating chamber 121. The pilot valve 11 has a first channel, and the first channel can be communicated with the second accommodating chamber 121. The gas in the pilot valve 11 can enter one end of the valve stem 122, thereby driving the valve stem 122 to move. The valve body 12 has a second channel 123, and the base 3 has a third channel 33. The second channel 123 can be communicated with the third channel 33.

[0030] refer to Figure 3-Figure 4 The fluid control device includes a first component 2, the first component 2 includes a first sealing portion 21 and a first light-shielding portion 22, the first sealing portion 21 and the first light-shielding portion 22 are an integrated piece, the first sealing portion 21 is sleeved on the first light guide 113, the first sealing portion 21 abuts against the base 3, and the first light-shielding portion 22 is sleeved on the first light guide 113.

[0031] In such a fluid control device, the first component 2 includes a first sealing portion 21 and a first light-shielding portion 22. The first sealing portion 21 and the first light-shielding portion 22 are an integrated part. The first sealing portion 21 is sleeved on the first light-guiding member 113. The first sealing portion 21 abuts against the base 3. The first light-shielding portion 22 is sleeved on the first light-guiding member 113. The first component 2 can not only play a sealing role, but also block at least part of the light, thereby reducing cross-light and reducing the number of components of the valve island.

[0032] The first sealing part only needs to have sealing performance, which can be selected according to specific needs, for example, it can be selected according to the sealing level requirement, for example, the material of the first sealing part is rubber, polyurethane, etc.; the first shading part only needs to have a shading function, which can be selected according to specific needs, such as the luminous color of the lamp beads mentioned below, etc. For example, the material of the first shading part is plastic, rubber, etc., which will not be repeated here.

[0033] refer to Figure 7-Figure 8 The first sealing portion 21 is located at one end of the first light shielding portion 22 , and the first light shielding portion 22 extends from the first sealing portion 21 . The first sealing portion 21 and the first light shielding portion 22 are made of the same material, which facilitates the molding of the first component.

[0034] For example, the material of the first component 2 is an elastic material, such as rubber, and can be formed by integral injection molding. The material of the first component 2 is a light-shielding material, such as black rubber, which will not be described in detail here.

[0035] refer to Figure 1-Figure 3 The base 3 has a first accommodating cavity 32, which extends from the length direction of the valve seat. The base 3 has a first groove 31, which is recessed in the upper wall surface of the base 3 (the surface on which the solenoid valve 1 is installed). The first sealing portion 21 is located in the first groove 31, and the side wall of the first groove 31 is sleeved on the first sealing portion 21. The first sealing portion 21 is interference fit with the first light guide 113, and the first sealing portion 21 is interference fit with the side wall of the first groove 31. The first sealing portion 21 forms a seal between the first light guide 113 and the side wall of the first groove 31 to prevent water vapor and the like from entering the first accommodating cavity 32 and damaging the circuit board.

[0036] refer to Figure 4 The base 3 has a first channel, the first channel runs through the bottom wall of the first groove 31, the first shading portion 22 passes through the first channel, and the first shading portion 22 is matched with the wall gap corresponding to the first channel, thereby reducing the friction generated between the first shading portion 22 and the base 3 during assembly, which is convenient for installation.

[0037] refer to Figure 7-Figure 8The first sealing portion 21 is roughly in the shape of a hollow cylinder, the first shading portion 22 is roughly in the shape of a hollow cylinder, the first sealing portion 21 has a transition section (rounded corner portion), the axis of the first sealing portion 21 coincides with the axis of the first shading portion 22, the inner diameter of the first sealing portion 21 is equal to the inner diameter of the first shading portion 22, and the outer diameter of the first sealing portion 21 is greater than the outer diameter of the first shading portion 22.

[0038] refer to Figure 4-Figure 6 The first light guide member 113 includes a first light guide portion 1131 and a first stop portion 1132. The first stop portion 1132 is located at one end of the first light guide portion 1131. The first sealing portion 21 is sleeved on the first light guide portion 1131. The first light shielding portion 22 is sleeved on the first light guide portion 1131. It is defined that the surface perpendicular to the axis of the first sealing portion 21 is the first surface. The projection of the first sealing portion 21 on the first surface and the projection of the first stop portion 1132 on the first surface at least partially overlap. The first sealing portion 21 abuts against the first stop portion 1132, which facilitates the installation and positioning of the first component 2.

[0039] refer to Figure 4 The end surface of the first sealing portion 21 that faces away from the first light guiding portion 1131 is substantially flush with the upper surface of the base 3 , and a portion of the first light guiding portion 1131 and a portion of the first light shielding portion 22 are located in the first accommodating cavity 32 .

[0040] refer to Figure 4 The end of the first light shielding portion 22 away from the first sealing portion 21 and the end of the first light guiding portion 1131 away from the first stopping portion 1132 are located in the same plane, thereby improving the light shielding effect and reducing cross-talk.

[0041] refer to Figure 1 , Figure 5-Figure 6 The first light guide 113 includes a second light guide portion 1133, and the second light guide portion 1133 extends from a wall portion of the first stop portion 1132 that is away from the first light guide portion 1131. The end of the first light guide portion 1131 away from the first stop portion 1132 is one end of the first light guide 113, and the end of the second light guide portion 1133 away from the first stop portion 1132 is the other end of the first light guide 113. It is defined that the plane where the center line of the first light guide portion 1131, the center line of the first stop portion 1132 and the center line of the second light guide portion 1133 are located is a first plane, and the first plane extends in the length direction of the base 3. The second stop portion can be bent.

[0042] refer to Figure 3-Figure 4Part of the first light guide 113 is located in the first accommodating cavity 32, and part of the first light shielding portion 22 is located in the first accommodating cavity 32. The circuit board includes a substrate 41 and a light source 42. The light source 42 is arranged on the substrate 41. The light source 42 is opposite to one end of the first light guide 113, and the light source 42 is opposite to the end of the first light guide portion 1131 away from the first stop portion 1132. The light of the light source 42 is transmitted through the first light guide portion 1131 to the end of the second light guide portion 1133 away from the first stop portion 1132.

[0043] refer to Figure 3-Figure 5 The pilot valve 11 includes a second light guide 114 and a second component. Part of the second light guide 114 is located in the pilot housing 112, and part of the second light guide 114 is located in the base 3. The second component includes a second sealing portion and a second light shading portion. The second sealing portion is located at one end of the second light shading portion. The second sealing portion and the second light shading portion are an integrated part. The second sealing portion is sleeved on the second light guide 114, the second sealing portion abuts against the base 3, and the second light shading portion is sleeved on the second light guide 114.

[0044] The first light guide member 113 is the same as or substantially the same as the second light guide member 114 , and the second component is the same as or substantially the same as the first component 2 , which will not be described in detail herein.

[0045] refer to Figure 1-Figure 3 The two light sources 42 corresponding to each solenoid valve 1 are arranged in the length direction of the base 3. Each solenoid valve 1 has two plug-in terminals 115 plugged into the circuit board. The circuit board has two sockets 43 corresponding to the plug-in terminals 115. The sockets 43 are fixed to the substrate 41. The sockets 43 are arranged in a direction perpendicular to the length direction of the base 3, and one socket 43 is located between the other socket 43 and the light source 42.

[0046] refer to Fig. 9 The first sealing portion 21 and the first shading portion 22 are made of different materials. For example, the first sealing portion is made of rubber, and the first shading portion is made of plastic. The first sealing portion is vulcanized on an outer peripheral wall of the first shading portion through a vulcanization process, which will not be described in detail here.

[0047] In order to improve the reliability of the connection between the first sealing portion and the first light-shielding portion, threads, protrusions, etc. may be provided at the vulcanization portion between the first light-shielding portion and the first sealing portion, which will not be elaborated here.

[0048] Of course, the first sealing portion can be vulcanized on the inner peripheral wall of the first light shielding portion, which will not be elaborated here.

[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A fluid control device, characterized in that: The fluid control device comprises a first light guide (113), a first component (2) and a base (3); the first component (2) comprises a first sealing portion (21) and a first light shielding portion (22); the first sealing portion (21) and the first light shielding portion (22) are an integral part; the first sealing portion (21) is sleeved on the first light guide (113); the first sealing portion (21) abuts against the base (3); and the first light shielding portion (22) is sleeved on the first light guide (113).

2. The fluid control device according to claim 1, characterized in that: The first light shielding portion (22) extends from the first sealing portion (21), and the first sealing portion (21) and the first light shielding portion (22) are made of the same material; or the first sealing portion (21) and the first light shielding portion (22) are made of different materials.

3. The fluid control device according to claim 2, characterized in that: The axis of the first sealing portion (21) coincides with the axis of the first light shielding portion (22), the inner diameter of the first sealing portion (21) is equal to the inner diameter of the first light shielding portion (22), and the outer diameter of the first sealing portion (21) is greater than the outer diameter of the first light shielding portion (22).

4. The fluid control device according to claim 3, characterized in that: The base (3) has a first groove (31), the first groove (31) is recessed in the upper wall surface of the base (3), the first sealing portion (21) is located in the first groove (31), and the side wall of the first groove (31) is sleeved on the first sealing portion (21).

5. The fluid control device according to claim 4, characterized in that: The base (3) has a first channel, the first channel passes through the bottom wall of the first groove (31), the first light shielding portion (22) passes through the first channel, and the first light shielding portion (22) is gap-matched with the wall corresponding to the first channel.

6. The fluid control device according to claim 5, characterized in that: The first light guide member (113) comprises a first light guide portion (1131) and a first stop portion (1132), wherein the first stop portion (1132) is located at one end of the first light guide portion (1131), the first sealing portion (21) is sleeved on the first light guide portion (1131), and the first light shielding portion (22) is sleeved on the first light guide portion (1131), and it is defined that a surface perpendicular to the axis of the first sealing portion (21) is a first surface, and a projection of the first sealing portion (21) on the first surface at least partially overlaps with a projection of the first stop portion (1132) on the first surface.

7. The fluid control device according to claim 6, characterized in that: The end of the first light shielding portion (22) away from the first sealing portion (21) and the end of the first light guiding portion (1131) away from the first stopper (1132) are located in the same plane.

8. The fluid control device according to claim 7, characterized in that: The first light guide member (113) includes a second light guide portion (1133), wherein the second light guide portion (1133) extends from a wall portion of the first stop portion (1132) facing away from the first light guide portion (1131), an end portion of the first light guide portion (1131) away from the first stop portion (1132) is one end of the first light guide member (113), and an end portion of the second light guide portion (1133) away from the first stop portion (1132) is the other end of the first light guide member (113), and it is defined that a plane where a center line of the first light guide portion (1131), a center line of the first stop portion (1132) and a center line of the second light guide portion (1133) are located is a first plane, and the first plane extends in the length direction of the base (3).

9. The fluid control device according to any one of claims 1 to 7, characterized in that: The base (3) has a first accommodating cavity (32), a portion of the first light guide (113) is located in the first accommodating cavity (32), a portion of the first light shielding portion (22) is located in the first accommodating cavity (32), the fluid control device comprises a circuit board, the circuit board comprises a light source (42), the circuit board is located in the first accommodating cavity (32), and the light source (42) is opposite to one end of the first light guide (113).

10. The fluid control device according to claim 9, characterized in that: The fluid control device comprises a second light guide (114) and a second component, the second component comprises a second sealing portion and a second light shielding portion, the second sealing portion is located at one end of the second light shielding portion, the second sealing portion and the second light shielding portion are an integral part, the second sealing portion is sleeved on the second light guide (114), the second sealing portion is in contact with the base (3), and the second light shielding portion is sleeved on the second light guide (114).

11. The fluid control device according to claim 10, characterized in that: The fluid control device comprises a pilot valve (11), the pilot valve (11) is position-limitedly connected to the base (3), the pilot valve (11) comprises a pilot valve body (111), a pilot housing (112), a first light guide (113) and a second light guide (114), the pilot housing (112) is position-limitedly connected to the pilot valve body (111), a portion of the first light guide (113) is located in the pilot housing (112), a portion of the first light guide (113) is located in the base (3), a portion of the second light guide (114) is located in the pilot housing (112), and a portion of the second light guide (114) is located in the base (3).

12. The fluid control device according to claim 11, characterized in that: The fluid control device comprises a solenoid valve (1), the solenoid valve (1) comprises a pilot valve (11) and a valve body (12), the valve body (12) is position-limitedly connected to the base (3), the valve body (12) has a second accommodating chamber (121), the valve body (12) has a valve stem (122), the valve stem (122) is located in the second accommodating chamber (121), the pilot valve (11) has a first channel, the first channel can be communicated with the second accommodating chamber (121), the valve body (12) has a second channel (123), the base (3) has a third channel (33), the second channel (123) can be communicated with the third channel (33).