Electromagnetic valve assembly

Abstract

The utility model relates to the technical field of electromagnetic valves, in particular to an electromagnetic valve assembly. The valve cover is fixedly connected with the valve body; a valve body attached to the valve body and configured to move the valve body to control the flow of a fluid inside the valve body; the electromagnetic driving assembly is arranged on the side, away from the valve body, of the valve deck and used for controlling movement of the valve element. The manual driving structure is connected with the valve cover and located in the electromagnetic driving assembly; the manual driving structure comprises a moving rod and a driving rod, wherein the end, close to the valve body, of the moving rod is fixedly connected with the valve element; the valve core is used for controlling the movement of the valve core. By operating the manual driving structure, the manual driving structure can enable the moving rod to vertically move, the moving rod can drive the valve element to move, and therefore after the electromagnetic valve is powered off or a mechanism breaks down, the valve element can be manually driven to move, normal work of the electromagnetic valve is achieved, and flowing of fluid can be controlled.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electromagnetic valve, concretely is a kind of electromagnetic valve assembly. BACKGROUND

[0002] Electromagnetic valve assembly is an industrial equipment controlled by electromagnet, is the automation basic element for controlling fluid, belongs to actuator;And the field that electromagnetic valve can be applied is wide, among them, with the increasing improvement of people's living standards, people's requirements for gas stove each performance are also more and more high.Electromagnetic valve is generally installed on the stove to control the on-off of gas.

[0003] However, the existing electromagnetic valve assembly when in use, by being powered to electromagnetic coil, so that electromagnetic coil generates magnetic force, to drive spool to move, to open and close electromagnetic valve, but, after electromagnetic valve suddenly power off or electromagnetic mechanism fails, cause the spool of electromagnetic valve to stop moving, cannot manually drive spool to move after electromagnetic valve power off or mechanism fails, to control the flow of fluid. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the problem of the existing electromagnetic valve assembly, which cannot manually drive spool to move after electromagnetic valve power off or mechanism fails, and cannot control the flow of fluid.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An electromagnetic valve assembly, comprising:

[0007] Valve body;

[0008] Valve cover, fixedly connected with the valve body;

[0009] Spool, which is in close contact with the valve body, controls the flow of fluid inside the valve body by moving the spool;

[0010] Electromagnetic drive assembly, arranged on the side of the valve cover away from the valve body, for controlling the movement of the spool;

[0011] Manual drive structure, connected with the valve cover and located inside the electromagnetic drive assembly;The manual drive structure comprises: moving rod, one end of the moving rod near the valve body is fixedly connected with the spool;For controlling the movement of the spool.

[0012] Preferably, the electromagnetic drive assembly comprises:

[0013] Terminal box, the interior of the terminal box forms a space;

[0014] Terminal port, fixedly connected with the terminal box;

[0015] An electromagnetic conversion assembly is arranged in the space and fixedly connected with the terminal box.

[0016] A cylinder is arranged in the electromagnetic conversion assembly and tightly fitted with the electromagnetic conversion assembly.

[0017] Preferably, the electromagnetic driving assembly further comprises a buffer block, which is arranged at one end of the cylinder close to the valve body and fixedly connected with the cylinder, for preventing the valve core from impacting the cylinder.

[0018] Preferably, the manual driving structure comprises:

[0019] A threaded rod is arranged through the terminal box and rotationally connected with the terminal box.

[0020] A hand wheel is arranged, the axis of the hand wheel is fixedly connected with one end of the threaded rod away from the buffer block.

[0021] A moving piece is composed of a first ring and two groups of vertical rods, the two sides of the ring are fixedly connected with one end of the two groups of vertical rods; the ring is sleeved on the threaded rod and threadedly connected with the threaded rod.

[0022] Two groups of moving blocks are arranged on the side of the moving piece away from the hand wheel and fixedly connected with the other end of the vertical rods; the side of the two groups of moving blocks close to each other is provided with a slide; the side of the two groups of moving blocks away from each other is slidably connected with the cylinder.

[0023] Two groups of sliding blocks are fixedly connected with one end of the moving rods close to the hand wheel; the sliding blocks are arranged in the slide and slidably connected with the moving blocks through the slide.

[0024] An elastic piece is composed of a second ring and a spring, the spring is arranged between the second ring and the valve core and sleeved on the outside of the moving rod; the side of the second ring away from the spring is fixedly connected with the moving blocks.

[0025] Preferably, the valve core is composed of an armature and a sealing plate, the side of the armature away from the moving rod is fixedly connected with one side of the sealing plate; the other side of the sealing plate is tightly fitted with the valve body.

[0026] Preferably, further comprising: an extrusion device, which is arranged between the valve body and the terminal box and used for extruding the sealing plate.

[0027] Preferably, the extrusion device comprises:

[0028] A first threaded cylinder, one end of which is fixedly connected with the terminal box.

[0029] A second threaded cylinder, one end of which is fixedly connected with the other end of the first threaded cylinder; the other end of the second threaded cylinder extends to the inside of the valve cover and is threadedly connected with the valve cover;

[0030] A rotating member, which is sleeved on the outside of the first threaded cylinder and is threadedly connected with the first threaded cylinder;

[0031] A pressing ring, which is arranged in the inside of the valve cover and is sleeved on the outside of the buffer block;

[0032] Two groups of connecting rods, which pass through the valve cover and are slidably connected with the rotating member at one end and fixedly connected with the pressing ring at the other end.

[0033] Preferably, the utility model also comprises a sealing ring, which is arranged in the inside of the valve cover and is fixedly connected with the valve cover, is sleeved on the outside of the valve core and is slidably connected with the valve core, and is used for sealing.

[0034] Preferably, the inner diameter of the sealing ring is larger than the outside of the pressing ring, so that the pressing ring can enter the sealing ring.

[0035] Preferably, the utility model also comprises two groups of pipeline interfaces, which are symmetrically arranged on the two sides of the valve body and are used for being connected with external pipelines.

[0036] The utility model discloses the beneficial effect lies in: through operating the manual drive structure, the manual drive structure will make the movable rod vertical movement, and the movable rod will drive the valve core to move, thereby can drive the valve core to move manually after the electromagnetic valve is powered off or the mechanism fails, and then the normal work of electromagnetic valve can be realized, and the flow of fluid can be controlled. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is the structure schematic diagram of the utility model;

[0038] Figure 2 It is Figure 1 It is the inside connecting structure cross-sectional view schematic diagram of the utility model;

[0039] Figure 3 It is Figure 2 It is the connecting structure bottom view schematic diagram of the utility model;

[0040] Figure 4 It is Figure 2 It is the part connecting structure three-dimensional enlarged schematic diagram of the utility model;

[0041] Figure 5 It is Figure 4 It is the part connecting structure three-dimensional enlarged schematic diagram of the utility model;

[0042] Figure 6 For Figure 3 The internal connection structure is shown in the figure.

[0043] Figure 7 For Figure 5 The internal connection structure is shown in the figure.

[0044] Figure 8 For Figure 6 The internal connection structure is shown in the figure.

[0045] In the figure: 1, valve body, 2, valve cover, 3, junction box, 4, wiring port, 5, electromagnetic conversion assembly, 6, pipe interface, 7, sealing ring, 8, buffer block, 9, valve core, 10, cylinder, 11, threaded rod, 12, hand wheel, 13, moving piece, 14, moving block, 15, sliding block, 16, moving rod, 17, elastic piece, 18, extrusion ring, 19, connecting rod, 20, rotating piece, 21, first threaded cylinder, 22, second threaded cylinder. DETAILED DESCRIPTION

[0046] The utility model will be further described in connection with the drawings:

[0047] This embodiment:

[0048] Please refer to Figures 1-8 In this embodiment: an electromagnetic valve assembly, comprising: valve body 1, valve cover 2, valve core 9, electromagnetic drive assembly and manual drive structure.

[0049] In this embodiment, the valve cover 2 is fixedly connected with the valve body 1, and the valve core 9 is attached to the valve body 1, and the flow of fluid in the valve body 1 is controlled by moving the valve core 9.

[0050] In this embodiment, the valve cover 2 and the valve body 1 are fixedly connected by screws, and are sealed after being butted together; when the valve core 9 is attached to the valve body 1, the fluid in the valve body 1 is blocked, and when the valve core 9 is separated from the valve body 1, the fluid in the valve body 1 flows.

[0051] The electromagnetic drive assembly is arranged on the side of the valve cover 2 away from the valve body 1, and is used for controlling the movement of the valve core 9.

[0052] In this embodiment, the electromagnetic drive assembly generates a magnetic force after being energized, thereby attracting the valve core 9, moving the valve core 9 upward, and separating the valve core 9 from the valve body 1, so that the fluid in the valve body 1 flows.

[0053] The manual drive structure is connected with the valve cover 2 and located inside the electromagnetic drive assembly; the manual drive structure comprises: a moving rod 16, one end of the moving rod 16 close to the valve body 1 is fixedly connected with the valve core 9; for controlling the movement of the valve core 9.

[0054] In the embodiment, the user drives the manual driving structure to move the moving rod 16 vertically, and the moving rod 16 drives the valve core 9 to move, so that the valve core 9 can be manually driven to move after the electromagnetic valve is powered off or the mechanism fails, and the electromagnetic valve can work normally to control the flow of the fluid.

[0055] As shown in Figure 2 and Figure 3 , the electromagnetic driving assembly comprises a junction box 3, a junction port 4, an electromagnetic conversion assembly 5 and a cylinder 10.

[0056] The junction box 3 has an internal space, and the junction port 4 is fixedly connected to the junction box 3.

[0057] In the embodiment, the external wire can enter the junction box 3 through the junction port 4.

[0058] The electromagnetic conversion assembly 5 is arranged in the space and fixedly connected to the junction box 3, and the cylinder 10 is arranged in the electromagnetic conversion assembly 5 and attached to the electromagnetic conversion assembly 5.

[0059] In the embodiment, the electromagnetic conversion assembly 5 can be an electromagnetic coil, or other devices that can convert electrical energy into magnetic energy, as long as it can meet the electromagnetic conversion requirement. Meanwhile, the electromagnetic coil is a common technology on the market, and its structure is a public technology, so it will not be described in detail here.

[0060] The external wire is connected to the electromagnetic conversion assembly 5 to generate a magnetic force and attract the valve core 9, and the cylinder 10 is used to limit the moving direction of the valve core 9.

[0061] As shown in Figure 5 , the electromagnetic driving assembly further comprises a buffer block 8, which is arranged at one end of the cylinder 10 close to the valve body 1 and fixedly connected to the cylinder 10, and used to prevent the valve core 9 from impacting the cylinder 10.

[0062] In the embodiment, the buffer block 8 is made of rubber material, which can prevent the valve core 9 from being damaged.

[0063] As shown in Figure 6 and Figure 8 , the manual driving structure comprises a threaded rod 11, a hand wheel 12, a moving piece 13, two groups of moving blocks 14, two groups of sliding blocks 15 and an elastic piece 17.

[0064] Specifically, the threaded rod 11 penetrates through the junction box 3 and is rotatably connected to the junction box 3, and the axis of the hand wheel 12 is fixedly connected to one end of the threaded rod 11 away from the buffer block 8.

[0065] In the embodiment, the hand wheel 12 can drive the threaded rod 11 to rotate, and the junction box 3 can support the rotation of the threaded rod 11.

[0066] The moving piece 13 is composed of a first ring and two groups of vertical rods, the two sides of the ring are fixedly connected with one end of the two groups of vertical rods; the ring is sleeved on the threaded rod 11 and is threadedly connected with the threaded rod 11; each group of moving blocks 14 is arranged on the side of the moving piece 13 away from the hand wheel 12 and is fixedly connected with the other end of the vertical rod; the sides of the two groups of moving blocks 14 close to each other are provided with sliding grooves; the sides of the two groups of moving blocks 14 away from each other are slidably connected with the cylinder 10;

[0067] In this embodiment, when the threaded rod 11 rotates, the moving piece 13 moves vertically; the moving piece 13 can drive the moving blocks 14 to move.

[0068] The two groups of sliding blocks 15 are fixedly connected with the ends of the moving rods 16 close to the hand wheel 12; the sliding blocks 15 are arranged in the sliding grooves and are slidably connected with the moving blocks 14 through the sliding grooves.

[0069] In this embodiment, the sliding blocks 15 can move vertically along the sliding grooves on the moving blocks 14.

[0070] The elastic piece 17 is composed of a second ring and a spring, the spring is arranged between the second ring and the valve core 9 and is sleeved on the outside of the moving rod 16; the side of the second ring away from the spring is fixedly connected with the moving block 14.

[0071] In this embodiment, when the second ring moves towards the valve core 9, the spring is compressed.

[0072] The valve core 9 is composed of an armature and a sealing plate, the side of the armature away from the moving rod 16 is fixedly connected with one side of the sealing plate; the other side of the sealing plate is tightly combined with the valve body 1.

[0073] When manual driving is needed, the user rotates the hand wheel 12 to drive the threaded rod 11 to rotate synchronously, the threaded rod 11 moves the moving piece 13 vertically, the moving piece 13 simultaneously drives the two groups of moving blocks 14 to move, the moving blocks 14 drive the second ring to move, the second ring stretches or compresses the spring, due to the limited length of the sliding groove, the end of the sliding groove will contact the sliding block 15, with the continuous movement of the moving block 14, the sliding block 15 is driven to move, the sliding block 15 drives the valve core 9 to move through the moving rod 16, the valve core 9 can be manually driven to move after the electromagnetic valve is powered off or the mechanism fails, thereby realizing the normal work of the electromagnetic valve and controlling the flow of fluid.

[0074] When the electromagnetic valve is cut off, the valve core 9 relies on its own gravity and the rebound of the spring to seal, after a long time of use, the sealing is not tight enough.

[0075] To solve the above problems, the embodiment provides an implementation manner, the electromagnetic valve assembly further comprises: a pressing device; the pressing device is arranged between the valve body 1 and the junction box 3, and is used for pressing the sealing plate.

[0076] As shown in Figure 5 and Figure 7 , the pressing device comprises: a first threaded cylinder 21, a second threaded cylinder 22, a rotating piece 20, a pressing ring 18 and two groups of connecting rods 19.

[0077] The one end of the first threaded cylinder 21 is fixedly connected with the junction box 3; the one end of the second threaded cylinder 22 is fixedly connected with the other end of the first threaded cylinder 21; the other end of the second threaded cylinder 22 extends to the inside of the valve cover 2 and is threadedly connected with the valve cover 2.

[0078] In the embodiment, the junction box 3 and the valve cover 2 can be fixed together through the second threaded cylinder 22 and the first threaded cylinder 21.

[0079] The rotating piece 20 is sleeved on the outside of the first threaded cylinder 21 and is threadedly connected with the first threaded cylinder 21.

[0080] In the embodiment, when the rotating piece 20 is rotated, the rotating piece 20 can be rotated and vertically moved along the surface of the first threaded cylinder 21.

[0081] The pressing ring 18 is arranged in the inside of the valve cover 2 and is sleeved on the outside of the buffer block 8; the two groups of connecting rods 19 penetrate through the valve cover 2, and one end of the connecting rod 19 is slidably connected with the rotating piece 20, and the other end is fixedly connected with the pressing ring 18.

[0082] In the embodiment, the contact position of the rotating piece 20 and the connecting rod 19 is provided with an annular sliding groove, and the one end of the connecting rod 19 is provided with a ball which can be clamped in the annular sliding groove; so that the rotating piece 20 does not drive the connecting rod 19 to move when the rotating piece 20 is rotated, and drives the connecting rod 19 to vertically move when the rotating piece 20 is vertically moved.

[0083] When sealing is needed, the user rotates the rotating piece 20, the rotating piece 20 is vertically moved downward along the threads on the outside of the first threaded cylinder 21 while rotating, because the contact position of the rotating piece 20 and the connecting rod 19 is provided with an annular sliding groove, and the one end of the connecting rod 19 is provided with a ball which can be clamped in the annular sliding groove; so that the rotating piece 20 does not drive the connecting rod 19 to move when the rotating piece 20 is rotated, and drives the connecting rod 19 to vertically move when the rotating piece 20 is vertically moved; the connecting rod 19 drives the pressing ring 18 to move, the pressing ring 18 presses the valve core 9, so that the valve core 9 can be closely attached to the valve body 1, and the sealing capacity is improved.

[0084] As shown in Figure 6As shown, the electromagnetic valve assembly further comprises a sealing ring 7; the sealing ring 7 is arranged in the interior of the valve cover 2 and is fixedly connected with the valve cover 2; the sealing ring 7 is sleeved on the outer side of the valve core 9 and is in sliding connection with the valve core 9; and the sealing ring 7 is used for sealing.

[0085] The inner diameter of the sealing ring 7 is greater than the outer side of the extrusion ring 18, so that the extrusion ring 18 can enter the sealing ring 7.

[0086] In this embodiment, the sealing ring 7 can limit the vertical movement direction of the valve core 9.

[0087] As shown, Figure 1 The electromagnetic valve assembly further comprises two sets of pipeline interfaces 6; the two sets of pipeline interfaces 6 are symmetrically arranged on the two sides of the valve body 1 and are used for connecting with external pipelines.

[0088] Working principle:

[0089] In use, the electromagnetic valve is connected to the pipeline through the pipeline interface 6, and the external wire is connected with the electromagnetic conversion assembly 5 in the junction box 3 through the wiring port 4, so that the electromagnetic conversion assembly 5 generates a magnetic force after being powered on and attracts the valve core 9 to move vertically upward, so that the fluid in the valve body 1 flows.

[0090] When manual driving is needed, the user rotates the hand wheel 12 to drive the threaded rod 11 to rotate synchronously, the threaded rod 11 drives the moving piece 13 to move vertically, the moving piece 13 drives the two sets of moving blocks 14 to move simultaneously, the moving blocks 14 drive the second circular ring to move, the second circular ring stretches or compresses the spring, and because the length of the slide is limited, the end of the slide will contact the sliding block 15, and with the continuous movement of the moving block 14, the sliding block 15 will be driven to move, and the sliding block 15 drives the valve core 9 to move through the moving rod 16, so that the valve core 9 can be manually driven to move after the electromagnetic valve is powered off or the mechanism fails, and the normal work of the electromagnetic valve can be realized, and the flow of the fluid can be controlled.

[0091] When sealing is needed, the user rotates the rotating piece 20, the rotating piece 20 moves vertically downward along the outer side threads of the first threaded cylinder 21, and because the contact position of the rotating piece 20 and the connecting rod 19 is provided with an annular sliding groove and the end of the connecting rod 19 is provided with a ball which can be clamped in the annular sliding groove, the rotating piece 20 will not drive the connecting rod 19 to move when it rotates, but will drive the connecting rod 19 to move vertically when it moves vertically; the connecting rod 19 drives the extrusion ring 18 to move, the extrusion ring 18 extrudes the valve core 9, so that the valve core 9 can be tightly attached to the valve body 1, the sealing capacity is improved, and the use of the device is completed.

[0092] Although the utility model has carried on the illustration and the description through the reference preferred embodiment, but, the professional ordinary skilled person should understand, can make various changes in form and detail in the scope of claims.

Claims

1. An electromagnetic valve assembly characterized by: The utility model relates to a valve, which comprises: a valve body (1); a valve cover (2) fixedly connected with the valve body (1); a valve core (9) in close contact with the valve body (1), the flow of fluid inside the valve body (1) being controlled by moving the valve core (9); an electromagnetic drive assembly arranged on the side of the valve cover (2) away from the valve body (1) for controlling the movement of the valve core (9); a manual drive structure connected with the valve cover (2) and located inside the electromagnetic drive assembly; the manual drive structure comprises a moving rod (16) fixedly connected with the valve core (9) at one end close to the valve body (1); for controlling the movement of the valve core (9).

2. The solenoid valve assembly of claim 1, wherein: The electromagnetic drive assembly comprises: a junction box (3) with a space formed inside; a junction port (4) fixedly connected with the junction box (3); an electromagnetic conversion assembly (5) arranged in the space and fixedly connected with the junction box (3); a cylinder (10) arranged inside the electromagnetic conversion assembly (5) and in close contact with the electromagnetic conversion assembly (5).

3. The solenoid valve assembly of claim 2, wherein: The electromagnetic drive assembly further comprises a buffer block (8) arranged at one end of the cylinder (10) close to the valve body (1) and fixedly connected with the cylinder (10) for preventing the valve core (9) from hitting the cylinder (10).

4. The solenoid valve assembly of claim 3, wherein: The manual drive structure comprises: a threaded rod (11) penetrating through the junction box (3) and rotationally connected with the junction box (3); a hand wheel (12) with its axis fixedly connected with one end of the threaded rod (11) away from the buffer block (8); a moving piece (13) composed of a first circular ring and two groups of vertical rods, the two sides of the circular ring being fixedly connected with one end of the two groups of vertical rods; the circular ring is sleeved on the threaded rod (11) and threadedly connected with the threaded rod (11); two groups of moving blocks (14), each group of moving blocks (14) being arranged on the side of the moving piece (13) away from the hand wheel (12) and fixedly connected with the other end of the vertical rods; the side of the two groups of moving blocks (14) close to each other is provided with a slide; the side of the two groups of moving blocks (14) away from each other is slidably connected with the cylinder (10); two groups of sliding blocks (15) fixedly connected with one end of the moving rod (16) close to the hand wheel (12); the sliding blocks (15) are arranged in the slide and slidably connected with the moving blocks (14) through the slide; a resilient piece (17) composed of a second circular ring and a spring, the spring being arranged between the second circular ring and the valve core (9) and sleeved on the outside of the moving rod (16); the side of the second circular ring away from the spring is fixedly connected with the moving blocks (14).

5. The solenoid valve assembly of claim 3, wherein: The valve core (9) is composed of an armature and a sealing plate, the side of the armature away from the moving rod (16) being fixedly connected with one side of the sealing plate; the other side of the sealing plate is in close contact with the valve body (1).

6. The solenoid valve assembly of claim 5, wherein: Further comprising: a pressing device; The extrusion device is arranged between the valve body (1) and the terminal box (3) and used for extruding the sealing plate.

7. The solenoid valve assembly of claim 6, wherein: The extrusion device comprises: A first threaded cylinder (21) is fixedly connected with the terminal box (3) at one end; A second threaded cylinder (22) is fixedly connected with the other end of the first threaded cylinder (21) at one end; the other end of the second threaded cylinder (22) extends into the valve cover (2) and is threadedly connected with the valve cover (2); A rotating member (20) is sleeved on the outside of the first threaded cylinder (21) and is threadedly connected with the first threaded cylinder (21); An extrusion ring (18) is arranged in the valve cover (2) and sleeved on the outside of the buffer block (8); Two groups of connecting rods (19) penetrate through the valve cover (2); one end of the connecting rod (19) is slidably connected with the rotating member (20) and the other end is fixedly connected with the extrusion ring (18).

8. The solenoid valve assembly of claim 7, wherein: Further comprising: A sealing ring (7) is arranged in the valve cover (2) and fixedly connected with the valve cover (2); the sealing ring (7) is sleeved on the outside of the valve core (9) and slidably connected with the valve core (9) for sealing.

9. The solenoid valve assembly of claim 8, wherein: The inner diameter of the sealing ring (7) is larger than the outside of the extrusion ring (18), so that the extrusion ring (18) can enter the sealing ring (7).

10. The solenoid valve assembly of claim 1, wherein: Further comprising: Two groups of pipeline interfaces (6) are symmetrically arranged on both sides of the valve body (1) and used for connecting with external pipelines.

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