Integrated novel pin valve terminal

Abstract

The utility model relates to an integrated novel pin valve terminal which comprises a confluence plate, three air inlet holes are formed in the front end of the right side of the confluence plate, a reversing valve terminal set is arranged at the upper end of the right side of the confluence plate, the left side of the reversing valve terminal set is connected with a pilot seat assembly, the left side of the pilot seat assembly is connected with a coil block, and the center of the left side of the coil block is connected with a coil nut. The lower end of the coil block is provided with a circuit board guide piece, the rear side of the circuit board guide piece is connected with a circuit board, the circuit board is placed in the confluence plate, the rear side of the circuit board is provided with a confluence plate rear cover, and the front end of the confluence plate rear cover is connected with the confluence plate. When the circuit board receives a signal, the coil controls the pilot seat assembly to change the air outlet of the reversing valve terminal group to enable the air outlet at the B end to discharge air and the air outlet at the A end to be closed, multiple functions of two-position five-way single electric control, two-position five-way double electric control and three-position five-way are achieved, the application range is wide, and the functions are diversified.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic control devices, in particular to an integrated novel pin valve island. Background Art

[0002] A valve island is a type of control valve that is integrated with multiple valves and is mainly used for multi-way pipeline control. Multiple pipelines can be controlled separately. The existing valve island is composed of multiple solenoid valves, and the electrical connection lines are arranged in a messy and exposed manner, which poses a safety hazard. It is also unable to form multiple combined functions, has a limited scope of application, cannot visually observe the working process, is inconvenient to inspect and install, cannot arbitrarily combine the number of solenoid valves, and has a single function.

[0003] Patent No. CN201920195296.5 discloses an integrated valve island structure, which has a plurality of solenoid valves installed on a manifold through a manifold. The solenoid valves are all inserted into an integrated circuit board provided on the manifold. The integrated circuit board is connected to the main control board through a cable. The plurality of solenoid valves are connected in series and centralized through the integrated circuit board and connected to the main control board in a unified manner, thereby avoiding the exposure of messy lines and reducing safety hazards. However, the structure has the following problems: first, the installation sealing is poor; second, the function is single, the maintenance and installation are inconvenient, the heat dissipation is difficult, and the service life is short. Utility Model Content

[0004] The purpose of the utility model is to address the deficiencies of the prior art. By arranging a reversing valve island group, the solenoid valve on the same valve group can realize multiple functions such as two-position five-way single electric control, two-position five-way double electric control, and three-position five-way. By arranging a pilot seat assembly, the air outlet of the solenoid valve is changed, and the pilot seat assembly is arranged with a gap between it and the manifold to facilitate heat dissipation. By arranging a light-transmitting groove and a sealing gasket, the technical problems of poor sealing effect, poor limit installation effect, and difficult heat dissipation in the prior art are solved.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A new integrated pin valve island comprises a manifold, three air inlet holes are provided at the front end of the right side of the manifold, and a reversing valve island group is provided at the upper end of the right side of the manifold, the left side of the reversing valve island group is connected to a pilot seat assembly, the left side of the pilot seat assembly is connected to a coil block, the left center position of the coil block is connected to a coil nut, and a circuit board guide is provided at the lower end of the coil block, the rear side of the circuit board guide is connected to a manifold front cover, the rear side of the manifold front cover is connected to the manifold, the rear side of the circuit board guide is connected to a circuit board, the circuit board is placed inside the manifold, and a manifold rear cover is provided at the rear side of the circuit board, and the front end of the manifold rear cover is connected to the manifold.

[0007] As a preferred embodiment, the reversing valve island group includes an A-end air outlet, a B-end air outlet is provided on the left side of the A-end air outlet, and interface grooves are provided on the outer sides of the upper ends of the A-end air outlet and the B-end air outlet, the lower ends of the A-end air outlet and the B-end air outlet are connected to the valve island body, a valve core is provided inside the valve island body, and a No. 2 air inlet is provided at the lower end of the valve island body, the No. 2 air inlet is opened on the manifold, and a sealing gasket is provided on the upper end surface of the No. 2 air inlet.

[0008] As a preferred embodiment, an electrical connection hole is provided at the lower end of the coil block, and the electrical connection hole passes through the busbar and is connected to the circuit board placement space. A light-transmitting groove is provided at the lower end of the coil nut, and a light-transmitting protective shell is provided at the upper end of the light-transmitting groove. The lower end of the light-transmitting groove passes through the busbar and is connected to the circuit board placement space. A lamp bead is provided on the circuit board, and the lamp bead is placed exactly in the light-transmitting groove.

[0009] As a preferred embodiment, the same ventilation holes are provided on the left and right sides of the No. 2 air inlet hole, the lower end of the ventilation hole penetrates and connects the air inlet holes on the left and right sides, and a No. 2 sealing gasket is provided on the upper end of the ventilation hole, and a limiting flow-stopping arc block is provided on the upper end of the No. 2 sealing gasket, and the limiting flow-stopping arc blocks on the left and right sides are symmetrically placed.

[0010] As a preferred embodiment, the pilot seat assembly is fixedly connected to the coil block on the left side and the reversing valve island group on the right side, and the lower end of the pilot seat assembly does not contact the manifold, and a gap is provided, and a rectangular cavity is provided at the position of the manifold corresponding to the lower side of the pilot seat assembly.

[0011] As another preferred embodiment, a circuit board guide is provided at the center of the busbar front cover, and hexagonal screws are provided at the four vertices of the busbar front cover. The busbar rear cover is a complete rectangular block, and the same hexagonal screws are provided at the four vertices of the busbar rear cover.

[0012] Beneficial effects of the utility model:

[0013] (1) In the utility model, a reversing valve island group is arranged. When air is taken in through the air inlet and the circuit board does not receive a signal, air is discharged from the air outlet at the A end and the air outlet at the B end is closed. When the circuit board receives a signal, the coil controls the pilot seat assembly to change the air outlet of the reversing valve island group so that air is discharged from the air outlet at the B end and the air outlet at the A end is closed, thereby realizing a variety of functions such as a two-position five-way single electric control, a two-position five-way double electric control, and a three-position five-way, with a wide range of applications and diverse functions.

[0014] (2) In the utility model, a sealing gasket and a No. 2 sealing gasket are provided to ensure a good sealing effect of the reversing valve group during installation, and a limit-stop flow arc block is provided on the No. 2 sealing gasket. The limit-stop flow arc block can not only limit the reversing valve island group, but also seal and shield unnecessary air circulation channels, thereby reducing the subsequent steps of using steel balls to close the channels, saving costs and having strong practicality.

[0015] (3) In the utility model, a rectangular cavity is set between the air inlet setting position and the circuit board setting position, thereby reducing the impact of the circuit board's operating temperature rise on the air in the air inlet hole. In addition, the pilot seat assembly is not placed in contact with the manifold, and the entire structure has a good heat dissipation effect, reducing the impact of heat on work and achieving higher precision.

[0016] In summary, the device has the advantages of good heat dissipation effect, good sealing effect, wide application range, diverse functions and strong practicality, and is especially suitable for the technical field of pneumatic control devices. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a structural schematic diagram of the circuit board in the utility model.

[0020] Figure 3 It is a structural schematic diagram of the interface slot in the utility model.

[0021] Figure 4 It is a structural schematic diagram of the air inlet in the utility model. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings.

[0023] Embodiment 1

[0024] like Figures 1 to 4 As shown, the utility model provides an integrated new pin valve island, including a manifold 1, three air inlet holes 11 are opened at the front end of the right side of the manifold 1, and a reversing valve island group 2 is provided at the upper end of the right side of the manifold 1, the reversing valve island group 2 is connected to a pilot seat assembly 3 on the left side, the pilot seat assembly 3 is connected to a coil block 4 on the left side, the coil block 4 is connected to a coil nut 41 at the center position of the left side, and a circuit board guide 5 is provided at the lower end of the coil block 4, the rear side of the circuit board guide 5 is connected to a manifold front cover 12, the rear side of the manifold front cover 12 is connected to the manifold 1, the rear side of the circuit board guide 5 is connected to a circuit board 51, the circuit board 51 is placed inside the manifold 1, and a manifold rear cover 13 is provided on the rear side of the circuit board 51, and the front end of the manifold rear cover 13 is connected to the manifold 1.

[0025] Furthermore, the reversing valve island group 2 includes an A-end air outlet 21, a B-end air outlet 22 is provided on the left side of the A-end air outlet 21, and interface grooves 23 are provided on the outer sides of the upper ends of the A-end air outlet 21 and the B-end air outlet 22, and the lower ends of the A-end air outlet 21 and the B-end air outlet 22 are connected to the valve island body 24, a valve core is provided inside the valve island body 24, and a No. 2 air inlet 25 is provided at the lower end of the valve island body 24, the No. 2 air inlet 25 is opened on the manifold 1, and a sealing gasket 26 is provided on the upper end surface of the No. 2 air inlet 25, and the gas entering the air inlet 11 is discharged through the A-end air outlet 21 or the B-end air outlet 22 for gas reversal, and an interface groove 23 is provided, which is convenient for connection and installation with the outer structure, with a simple structure and convenient installation. The setting of the sealing gasket 26 ensures a better overall sealing connection effect.

[0026] Furthermore, an electrical connection hole 42 is provided at the lower end of the coil block 4, and the electrical connection hole 42 passes through the busbar 1 to connect to the placement space of the circuit board 51. A light-transmitting groove 43 is provided at the lower end of the coil nut 41, and a light-transmitting protective shell is provided at the upper end of the light-transmitting groove 43. The lower end of the light-transmitting groove 43 passes through the busbar 1 to connect to the placement space of the circuit board 51. A lamp bead is provided on the circuit board 51, and the lamp bead is just placed in the light-transmitting groove 43. The coil block 4 is a pin-type coil, which is easy to assemble and maintain. A lamp bead is provided at the lower end of the light-transmitting groove 43, so that people can intuitively observe the signal reception status of the circuit board 51, and more effectively grasp the real-time information to ensure more accurate use of the solenoid valve.

[0027] Furthermore, identical ventilation holes 27 are provided on the left and right sides of the No. 2 air inlet 25. The lower end of the ventilation hole 27 penetrates and connects the air inlet holes 11 on the left and right sides, and a No. 2 sealing gasket 28 is provided on the upper end of the ventilation hole 27. A limiting flow-stopping arc block 29 is provided on the upper end of the No. 2 sealing gasket 28. The limiting flow-stopping arc blocks 29 on the left and right sides are symmetrically placed. The No. 2 sealing gasket 28 ensures a good sealing effect. The limiting flow-stopping arc block 29 makes the limiting installation more convenient and can also facilitate the sealing and shielding of redundant channels, thereby reducing the subsequent channel sealing steps and saving costs.

[0028] Furthermore, the pilot seat assembly 3 is fixedly connected to the coil block 4 on the left side and to the reversing valve island assembly 2 on the right side, and the lower end of the pilot seat assembly 3 does not contact the manifold 1, and a gap is provided. A rectangular cavity 15 is provided at the position of the manifold 1 corresponding to the lower side of the pilot seat assembly 3, and the overall heat dissipation effect is good.

[0029] Furthermore, a circuit board guide 5 is provided at the center position of the busbar front cover 12, and external hexagonal screws 14 are provided at the four vertex positions of the busbar front cover 12. The busbar rear cover 13 is a complete rectangular block, and the same external hexagonal screws 14 are provided at the four vertex positions of the busbar rear cover 13. The circuit board guide 15 is electrically connected to the control system control circuit board 51. The busbar front cover 12 and the busbar rear cover 13 enclose and protect the entire circuit board 51, reduce external interference with the circuit board, extend the service life of the circuit board, and make the installation of the circuit board 51 more stable.

[0030] Working process: First, the air inlet 11 is ventilated, and the circuit board guide 5 is connected to the control system. When the circuit board 51 does not receive a signal, the A-end air outlet 21 is vented, and the B-end air outlet 22 is closed. When the circuit board 51 receives a signal, the coil fast 4 controls the pilot seat assembly 3 to change the air outlet of the reversing valve island group 2 so that the B-end air outlet 22 is vented and the A-end air outlet 21 is closed, thereby realizing reversal. The principle is simple, and different numbers of reversing valve island groups 2 can be installed to realize two-position five-way single electric control, two-position five-way double electric control, and three-position five-way. It has various functions and a wide range of adaptability.

[0031] It is worth mentioning that a sealing gasket 26 and a second sealing gasket 28 are arranged at the lower end of the reversing valve island group 2 to ensure the sealing of the air inlet 25 and the air exchange hole 27. Secondly, a limit-stop flow arc block 29 is arranged to realize limit installation, making the overall installation simpler, and to seal and shield unnecessary air circulation channels. The entire structure has a wide range of applications, diverse functions, and flexible combinations. The number of connected solenoid valves can be arbitrarily combined, and with the pin-type coil, assembly and maintenance are more convenient.

[0032] In the description of the present invention, it should be understood that the terms "front and back", "left and right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the equipment or components referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the utility model.

[0033] Of course, in the present technical solution, those skilled in the art should understand that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the element may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0034] The above is only a preferred specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An integrated new pin valve island, characterized in that: include A manifold (1), wherein three air inlet holes (11) are provided at the front end of the right side of the manifold (1), and a reversing valve island group (2) is provided at the upper end of the right side of the manifold (1), the reversing valve island group (2) is connected to a pilot seat assembly (3) on the left side of the manifold (3), the pilot seat assembly (3) is connected to a coil block (4) on the left side, the coil block (4) is connected to a coil nut (41) at the center position of the left side, and a circuit board guide (5) is provided at the lower end of the coil block (4), the rear side of the circuit board guide (5) is connected to a manifold front cover (12), the rear side of the manifold front cover (12) is connected to the manifold (1), the rear side of the circuit board guide (5) is connected to a circuit board (51), the circuit board (51) is placed inside the manifold (1), and a manifold rear cover (13) is provided at the rear side of the circuit board (51), and the front end of the manifold rear cover (13) is connected to the manifold (1); The reversing valve island group (2) comprises an A-end air outlet (21), a B-end air outlet (22) is provided on the left side of the A-end air outlet (21), and an interface groove (23) is provided on the outer sides of the upper ends of the A-end air outlet (21) and the B-end air outlet (22), the lower ends of the A-end air outlet (21) and the B-end air outlet (22) are connected to a valve island body (24), a valve core is provided inside the valve island body (24), and a No. 2 air inlet (25) is provided at the lower end of the valve island body (24), the No. 2 air inlet (25) is opened on the manifold (1), and a sealing gasket (26) is provided on the upper end surface of the No. 2 air inlet (25); The left and right sides of the second air inlet (25) are provided with identical ventilation holes (27), the lower end of the ventilation hole (27) penetrates and connects the air inlet (11) on the left and right sides, and the upper end of the ventilation hole (27) is provided with a second sealing gasket (28), the upper end of the second sealing gasket (28) is provided with a limiting flow-stopping arc block (29), and the limiting flow-stopping arc blocks (29) on the left and right sides are symmetrically placed; The pilot seat assembly (3) is fixedly connected to the coil block (4) on the left side and to the reversing valve island assembly (2) on the right side; the lower end of the pilot seat assembly (3) does not contact the manifold (1) and a gap is provided; and a rectangular cavity (15) is provided at the position of the manifold (1) corresponding to the lower side of the pilot seat assembly (3).

2. The integrated new pin valve island according to claim 1 is characterized in that: The coil block (4) is provided with an electrical connection hole (42) at the lower end, the electrical connection hole (42) passes through the busbar (1) and is connected to the placement space of the circuit board (51), the coil nut (41) is provided with a light-transmitting groove (43) at the lower end, a light-transmitting protective shell is provided at the upper end of the light-transmitting groove (43), and the lower end of the light-transmitting groove (43) passes through the busbar (1) and is connected to the placement space of the circuit board (51), and a lamp bead is provided on the circuit board (51), and the lamp bead is just placed in the light-transmitting groove (43).

3. The integrated new pin valve island according to claim 1 is characterized in that: A circuit board guide (5) is provided at the center of the busbar front cover (12), and external hexagonal screws (14) are provided at four vertex positions of the busbar front cover (12); the busbar rear cover (13) is a complete rectangular block, and identical external hexagonal screws (14) are provided at four vertex positions of the busbar rear cover (13).

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