TWI641775B - Solenoid valve coil device - Google Patents

Abstract

The present invention relates to a solenoid valve coil device, which comprises a coil unit, two support frames and a casing. The coil unit comprises a coil base with a through hole and a coil winding wound around the coil base, and the second support frame is assembled on the coil. The two sides of the unit are located at the same horizontal position, and each support frame comprises a frame body, a limiting plate and two convex portions with positioning holes, the limiting plate is arranged on the top of the frame body, and the two convex portions are arranged at the bottom of the frame body. The housing is disposed outside the support frame and extends into the through hole, and the housing forms an active space on the inner side of the through hole. The solenoid valve coil device of the present invention is positioned by the four positioning holes to form an injection molded case, and the movable space is The assembled valve body can save the production cost of the limit tube and reduce the production cost, and the two support frames are located at the same horizontal position, and the assembly process can be mechanized by mechanical assembly.

Description

Solenoid valve coil device

The present invention provides a solenoid valve coil device, and more particularly to a solenoid valve coil device that can be injection molded without a hole.

Solenoid valves play an important control device in today's engineering operations. The solenoid valve can control the direction, flow rate, speed of the fluid medium in a pipeline or can open and close the circulation state of the pipeline. The solenoid valve includes a coil device and a a valve body, the coil device comprising a coil holder having a through hole, a coil winding, a two-type bracket and an injection molded housing, the coil winding is wound on the coil holder, and the two-type bracket is alternately arranged Provided on the two sides of the coil holder, the upper and lower end faces of the two-type bracket respectively have through holes, the four holes are connected to the through holes, and the holes are formed by the holes and the holes are formed by injection molding. The casing encloses the two-type bracket and the coil winding, the valve body passes through the coil device, and the valve body comprises a valve seat, an anode rod, a limiting tube, a cathode rod, an elastic member and a fixing member, the valve seat has a first-class circuit, the anode rod is disposed on the valve seat, the limiting tube is ring-welded to the anode rod and adjacent to the bottom of the anode rod, and the anode rod and the limiting tube are The lower end of the coil device extends into the a hole and the through hole, and the anode rod is passed out of the coil device, the fixing member is disposed on the anode rod and fixes the position of the anode rod and the coil device, and the cathode rod is arranged to move up and down The flow tube is opened and closed, and the elastic member is disposed inside the limiting tube and located between the cathode rod and the anode rod.

In the above, as shown in FIG. 7, one of the assembly aspects of the conventional solenoid valve is disclosed. The solenoid valve is mounted on a pipe (not shown) which is an anode rod 91 of a valve body 90. And the limiting tube 92 is disposed through the housing 81 of the coil device 80. The anode rod 91 passes through the through hole 82 of the coil device 80 and is fixed at a top end of the housing 81 by a fixing member 95. The limiting tube is fixed. 92 is located in the through hole 82. The inside of the limiting tube 92 has a cathode rod 93 and an elastic member 94. The elastic member 94 abuts the anode rod 91 and the cathode rod 93 to make the bottom end of the cathode rod 93. Resisting a valve seat (not shown) and keeping the flow path (not shown) in the valve seat closed, when the user activates the coil device 80, the coil winding (not shown) inside the coil device 80 is energized. The cathode rod 93 of the valve body 90 can be driven to move the cathode rod 93 upward in the interior of the anode rod 91. The bottom of the cathode rod 93 leaves the valve seat to keep the flow path unblocked. When the coil winding is not energized, Then, the elastic member 94 causes the bottom end of the cathode rod 93 to close the flow passage against the valve seat, and the electromagnetic valve controls the work of opening and closing the pipeline (not shown). It can achieve the function of controlling the circulation or closing of the pipeline.

However, in the operation of the existing solenoid valve, only the cathode rod 93 is affected by the coil winding after being energized, and the limiting tube 92 does not move, and the limiting tube 92 only provides a limit to the cathode rod. 93, there is no substantial effect, but in the process of injection molding, there is a need for a positioning gap, and the coil device 80 can provide the positioning gap only the through hole 82, so the limit tube 92 needs to be produced in the production process. And still need to use a higher cost and more difficult welding method of the ring welding, can not reduce the manufacturing cost, and the combination of the two-type bracket (not shown) is arranged by means of the two The bracket is fixed up and down and fixed tightly against the coil base (not shown). In the process of manual assembly, the relative position of the two-type bracket and the coil base must be adjusted simultaneously to produce a tight combination, so The combination of the two-type brackets is difficult to use mechanical assembly, which causes a problem that the assembly process cannot be mechanized.

The main purpose of the present invention is to provide a solenoid valve coil device, thereby saving the manufacturing cost of the existing solenoid valve, and the combination method of the two-prong type brackets is difficult to mechanize the assembly process.

In order to achieve the foregoing, the present invention provides a coil unit comprising: a coil unit comprising a coil holder having a through hole and a coil winding, the coil winding wound around the coil holder; and two support frames, the two supports The frame fasteners are disposed on two sides of the coil unit, and the two support frames are located at the same horizontal position, and each of the support frames comprises a frame body, a limiting plate and two convex portions having positioning holes, wherein the limiting plate is disposed on the frame a top portion of the frame, the two protrusions are spaced apart from the bottom of the frame body; a housing that is integrally formed on the outer side of the coil unit and the two support frames by the bottom of the two frames The penetrating hole of the coil base extends into the bottom of the two limiting plates, and the casing forms an active space inside the through hole, and the bottom of the casing forms an opening to communicate with the movable space.

The solenoid valve coil device of the present invention is positioned by the four positioning holes to form an injection molded casing, and the casing forms an active space inside the piercing hole, thereby eliminating the use of technically difficult ring welding. The assembled valve body saves the manufacturing cost of the limiting tube and the welding cost of the ring welding, thereby reducing the cost of the solenoid valve production, and the two supporting frames are located at the same horizontal position, and one of the supporting frame and the coil is assembled in the relationship. The assembly of the seat can mechanically assemble the two support frames and the coil base to achieve mechanization of the assembly process.

As shown in FIG. 1 to FIG. 3, a preferred embodiment of the solenoid valve coil device of the present invention is disclosed. As can be seen from the drawings, the solenoid valve coil device of the present invention comprises a coil unit 10, two support frames 20 and a casing 30. .

The coil unit 10 includes a coil base 11 having a through hole 13 and a coil winding 12, and the coil winding 12 is wound around the coil base 11, wherein the coil base 11 has a ring plate 111 at the top and the bottom, respectively. 12 is located between the two ring plates 111. The windings of the coil winding 12 include two top blocks 112, two bottom blocks 113, a guiding block 114 and two electric wires 115. The two top blocks 112 are oppositely disposed on the coil base. The top of the through hole 13 is located at the bottom of the through hole 13 , and the two bottom blocks 113 are oppositely disposed at the bottom of the coil base 11 and on both sides of the through hole 13 . The guiding block 114 is disposed on the coil. The side of the seat 11 is adjacent to the top of the coil base 11, and the two electric wires 115 are respectively disposed on the guiding block 114 and connected to the coil winding 12.

Further, the coil unit 10 further includes an upper washer 14, a lower washer 15 and a spacer 16 having a limiting hole 161. The upper washer 14 has two fixing holes 141 and is disposed at the top of the coil housing 11, the upper washer The two fixing holes 141 of the 14 are passed through the two top blocks 112, and the upper washer 14 extends downwardly into the inner side of the through hole 13 to form an upper ring wall 142. The lower washer 15 has two locking holes 151 and is disposed on The bottom of the coil base 11 , the two locking holes 151 of the lower washer 15 are passed through the two bottom blocks 113 , and the lower washer 15 extends upward into the inner side of the through hole 13 to form a lower ring wall 152 . 16 is disposed at a bottom end of the coil base 11 and the two limiting holes 161 of the spacer 16 are penetrated by the two bottom blocks 113. The spacer 16 is located outside the lower washer 15, and the spacer 16 has an opening. A hole 162 that communicates with the through hole 13 is provided.

As shown in FIG. 2 to FIG. 4 , the two support frames 20 are fastened to the two sides of the coil unit 10 , and the two support frames 20 are located at the same horizontal position. Each support frame 20 includes a frame 21 and a limit. The position plate 22 and the two protrusions 23 having the positioning holes 24 are disposed on the top of the frame body 21. The two protrusions 23 are spaced apart from the bottom of the frame body 21, wherein each support frame 20 further includes a top opening 25, a top slot 26, a bottom opening 27 and a recess 28, the top opening 25 is disposed on the limiting plate 22, and the top slot 26 is disposed on the limiting plate 22, the top The slot 26 extends from the end of the limiting plate 22 away from the frame body 21 to the top opening 25 and communicates with the top opening 25. The bottom opening 27 is disposed at the bottom of the frame body 21, and the groove 28 is disposed at the bottom of the frame body 21. The bottom of the frame body 21, the groove 28 of the two support frame 20 is formed in a circular arc shape, and when the frame body 21 of the two support frame 20 is combined with the coil base 11, the groove 28 of the two support frame 20 can surround the The opening 162 of the gasket 16.

Further, the two support frames 20 are made of metal, the two support frames 20 have metal elasticity, and the width of the top opening 25 of the two support frames 20 is equal to the width of the two top blocks 112 of the coil base 11 . The width of the top groove 26 of the two support frames 20 is smaller than the width of the two top blocks 112 of the coil base 11, and the width of the bottom hole 27 of the two support frames 20 is equal to the width of the two bottom blocks 113 of the coil base 11.

As shown in FIG. 1 and FIG. 5, the housing 30 is integrally formed on the outer side of the coil unit 10 and the two support frames 20, and the bottom of the two frames 21 extends into the through hole of the coil base 11. 13 and contacting the bottom of the two limiting plates 22, the housing 30 defines an active space 31 on the inner side of the through-hole 13 , and an opening 32 is formed in the bottom of the housing 30 to communicate with the movable space 31 .

As shown in FIG. 2, FIG. 4 and FIG. 5, a preferred embodiment of the solenoid valve coil device of the present invention is disclosed. When the injection molded housing 30 is fabricated, an injection molding machine (not shown) is used. The four positioning holes 24 on the four convex portions 23 are positioned, and when the housing 30 is injection molded, the housing 30 is passed from the bottom of the frame body 21, through the grooves 28 of the two support frames 20, and the lower washer. And extending into the lower ring wall 152 and the through hole 13 of the coil base 11, passing through the upper ring wall 142, and contacting the two limiting plates 22 at the top of the coil base 11, the housing 30 An active space 31 is formed on the inner side of the through hole 13 , and an opening 32 is formed in the bottom of the housing 30 to communicate with the movable space 31 .

In the above, as shown in FIG. 1, FIG. 5 and FIG. 6, the operating state of a preferred embodiment of the solenoid valve coil device of the present invention is disclosed, and the solenoid valve coil device of the present invention is mounted on a valve body 40 and The valve body 40 extends into a pipe (not shown), and the solenoid valve coil device of the present invention can be mounted on the pipeline. The valve body 40 includes an anode rod 41 having a slip ring 44, a cathode rod 42 and a The elastic member 43 extends the anode rod 41 of the valve body 40 from the opening 32 into the movable space 31, and fixes the anode rod 41 in the movable space 31 by the anti-slip ring 44, so that the valve body 40 is The cathode rod 42 and the elastic member 43 extend from the opening 32 into the movable space 31, and the elastic member 43 of the valve body 40 is pressed against the anode rod 41 and the cathode rod 42. The cathode rod 42 abuts the pipeline. The pipeline is in a closed state. When the two electric wires 115 are energized, current flows in the coil winding 12, and the cathode rod 42 can be controlled to move upward in the movable space 31 to make the pipeline flow. The valve coil device eliminates the use of the limit tube and eliminates the use of technically difficult ring welds, saving existing Limiting the production costs of the solenoid valve and pipe welding on welding costs, reducing the cost of production solenoid valve, but also effective to control the flow of the line or off action.

In the above, as shown in FIG. 3 and FIG. 4, the two support frames 20 of the solenoid valve coil device of the present invention are located at the same horizontal position, and are disposed on the coil unit 10 from both sides, and one of the support frames 20 is provided. To assemble the coil base 11, one of the top blocks 112 on the coil base 11 extends into the top slot 26 of the support frame 20 because the width of the top slot 26 is smaller than the width of the top block 112 and the support frame 20 has metal Elastically, the top block 112 will open the limiting plate 22, the top block 112 enters the top opening 25 and is limited by the top slot 26, and the bottom block 113 also enters the bottom opening 27, one side of which The support frame 20 is mounted on one side of the coil base 11, and the other support frame 20 is mounted on the other side of the coil base 11. The frame bodies 21 of the two support frames 20 are in contact with each other, and one of the supports is assembled. The frame 20 is assembled with the coil base 11, and the two support frames 20 can be assembled from both sides of the coil base 11 by mechanical means to achieve mechanization of the assembly process.

In summary, the solenoid valve coil device of the present invention is positioned by the four positioning holes 24 to form the injection molded housing 30, and the housing 30 forms an active space 31 on the inner side of the through hole 13 to save the use. The technically difficult ring welding can save the assembled valve body 40 the manufacturing cost of the limiting tube and the welding cost of the ring welding, thereby reducing the cost of the solenoid valve production, and the two supporting frames 20 are at the same horizontal position. In the assembly relationship, one of the support frames 20 is assembled with the coil base 11, and the two support frames 20 and the coil base 11 can be mechanically assembled to achieve assembly process mechanization.

10‧‧‧ coil unit

11‧‧‧ coil holder

111‧‧‧ Ring plate

112‧‧‧Top block

113‧‧‧ bottom block

114‧‧‧guide block

115‧‧‧Electrical wires

12‧‧‧Coil winding

13‧‧‧through the heart

14‧‧‧Upper washer

141‧‧‧Fixed holes

142‧‧‧上环壁

15‧‧‧ Lower washer

151‧‧‧Lock hole

152‧‧‧ Lower ring wall

16‧‧‧shims

161‧‧‧Limited holes

162‧‧‧ openings

20‧‧‧Support frame

21‧‧‧ ‧ body

22‧‧‧ Limit Board

23‧‧‧ convex

24‧‧‧Positioning holes

25‧‧‧ top mouth

26‧‧‧ top slot

27‧‧‧Bottom

28‧‧‧ Groove

30‧‧‧Shell

31‧‧‧Event space

32‧‧‧ openings

40‧‧‧ valve body

41‧‧‧Anode rod

42‧‧‧ cathode rod

43‧‧‧Flexible parts

90‧‧‧ valve body

91‧‧‧Anode rod

92‧‧‧Limited tube

93‧‧‧ cathode rod

94‧‧‧Flexible parts

95‧‧‧Fixed parts

80‧‧‧ coil device

81‧‧‧Shell

82‧‧‧through holes

Figure 1 is a perspective view showing a preferred embodiment of a solenoid valve coil device of the present invention. Fig. 2 is a perspective view showing the combined state of the coil unit, the spacer, the guiding block and the second supporting frame of a preferred embodiment of the solenoid valve coil device of the present invention. Fig. 3 is a perspective view showing the exploded state of the coil holder, the spacer, the guide block and the second support frame in a preferred embodiment of the solenoid valve coil device of the present invention. Fig. 4 is a side elevational view showing the combined state of the coil unit, the spacer, the guide block and the second support frame of a preferred embodiment of the solenoid valve coil device of the present invention. Figure 5 is a side cross-sectional view showing a preferred embodiment of the solenoid valve coil assembly of the present invention. Figure 6 is a side elevational, partial cross-sectional view showing the operational state of one preferred embodiment of the solenoid valve coil assembly of the present invention. Figure 7 is a partial side cross-sectional view showing one of the assembled aspects of the prior art solenoid valve.

Claims (7)

A solenoid valve coil device comprising: a coil unit comprising a coil holder having a through hole and a coil wound around the coil holder; and two support brackets, the two support brackets being coupled to the coil The two supporting frames are located at the same horizontal position, and each supporting frame comprises a frame body, a limiting plate and two convex portions having positioning holes, and the limiting plate is disposed at the top of the frame body, The two protrusions are spaced apart from the bottom of the frame body; a housing is disposed on the outer side of the coil unit and the two support frames, and the bottom of the two frame body extends into the through hole of the coil base and Contacting the bottom of the two limiting plates, the housing forms an active space inside the through hole, and an opening of the bottom of the housing forms an opening to communicate with the movable space. The solenoid valve coil device of claim 1, wherein the top and the bottom of the coil base respectively have a ring plate, the coil is located between the two ring plates, and the coil unit comprises two top blocks, two bottom blocks, and one a guiding block and two electric wires, the two top blocks are oppositely disposed on the top of the coil base and located on two sides of the through hole, and the two bottom blocks are oppositely disposed at the bottom of the coil base and located in the through hole On both sides, the guiding block is disposed on a side of the coil base adjacent to a top of the coil base, and the two electrical wires are respectively disposed on the guiding block and connected to the coil winding. The solenoid valve coil device of claim 2, wherein the coil unit comprises an upper washer, a lower washer and a spacer having a limiting hole, the upper washer has two fixing holes and is disposed at the top of the coil holder. The two fixing holes of the upper washer are passed by the two top blocks, and the upper washer extends downwardly into the inner side of the through hole to form an upper ring wall, and the lower washer has two locking holes and is disposed at the bottom of the coil base The two locking holes of the lower washer are passed through the two bottom blocks, and the lower washer extends upward into the inner side of the through hole to form a lower ring wall, and the spacer is disposed at the bottom end of the coil base and the gasket The two limiting holes are penetrated by the two bottom blocks, and the spacer is located outside the lower gasket, and the spacer has an opening, and the opening communicates with the through hole. The solenoid valve coil device of claim 2 or 3, wherein each support frame further comprises a top opening, a top slot, a bottom opening and a recess, the top opening being disposed on the limiting plate, The top slot is disposed on the limiting plate, and the top slot extends from the end of the limiting plate away from the frame body to the top opening and communicates with the top opening, the bottom opening is disposed at a bottom of the frame body, the concave portion The slot is provided at the bottom of the frame. The solenoid valve coil device of claim 4, wherein the grooves of the two support frames are formed in a circular arc shape, and when the frame body of the two support frames is combined with the coil base, the grooves of the two support frames can surround the The opening of the gasket. The solenoid valve coil device of claim 4, wherein the two support frames are made of metal, the two support frames have metal elasticity, and the width of the top of the two support frames is equal to the width of the coil base The width of the two top blocks, the width of the top groove of the two support frames is smaller than the width of the two top blocks of the coil base, and the width of the bottom of the two support frames is equal to the width of the two bottom blocks of the coil base. The solenoid valve coil device of claim 5, wherein the frame system of the two support frames is a member made of metal, the two frames have metal elasticity, and the frame system of the two support frames can be used for the two support frames. The width of the top opening is equal to the width of the two top blocks of the coil base, the width of the top slot of the two support brackets is smaller than the width of the two top blocks of the coil base, and the width of the bottom of the two support brackets is equal to the coil base The width of the two bottom blocks.