CN211693712U

CN211693712U - Solenoid valve coil base matched with pilot head

Info

Publication number: CN211693712U
Application number: CN201922144234.4U
Authority: CN
Inventors: 皇甫美蓉; 皇甫炳
Original assignee: Ningbo Feitai Industry Automation Equipment Co ltd
Current assignee: Ningbo Feitai Industry Automation Equipment Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-16
Anticipated expiration: 2029-12-04

Abstract

The utility model provides a supply first complex solenoid valve coil holder of guide, includes the casing, is equipped with the coil skeleton of winding coil in the casing, and the coil skeleton has the hole that runs through that supplies the guide head to wear to put, and both sides have the both ends that supply the guide head around the casing and stretch out trompil, its characterized in that: the circuit board is arranged above the coil framework in the shell, the pin base is arranged at the upper end of the circuit board, the opening for the pin base to extend out is formed in the upper surface of the shell, the pins extend out of the shell and are fixed on the pin base, and the springs are arranged at the bottoms of the pins and are abutted to the circuit board to realize electric connection. The utility model discloses simple structure, need not the package and mould, effectively solved high temperature and expend with heat and contract with cold's problem, it is also very convenient to assemble simultaneously.

Description

Solenoid valve coil base matched with pilot head

Technical Field

The utility model relates to a solenoid valve, concretely relates to take solenoid valve coil holder of guide head.

Background

An Electromagnetic valve (Electromagnetic valve) is an industrial device controlled by electromagnetism, is an automatic basic element for controlling fluid, belongs to an actuator, and is not limited to hydraulic pressure and pneumatic pressure. Used in industrial control systems to regulate the direction, flow, velocity and other parameters of a medium. The coil holder of the existing electromagnetic valve generally comprises a shell, a coil can be arranged in the shell, and a plug connector for being plugged with a power socket is arranged on the side surface of the shell. Traditional coil base coil is coil skeleton and combines the bottom plate, moulds with the plastics package and makes, and there is the high temperature problem in this kind of structure, moulds the in-process at the package and causes the short circuit to the coil easily, in addition, still has expend with heat and contract with cold problem, causes easily to participate in and the enameled wire connection part is not hard up the scheduling problem that breaks to the yield has been reduced, has increased manufacturing cost.

The pilot head is an actuating mechanism matched with the electromagnetic valve, is an important driving component of the electromagnetic valve, and is provided with a base connected with a valve body part and a static and dynamic iron core assembly for installing.

According to the investigation, the coil holder for the electromagnetic valve, which is disclosed in the existing Chinese patent No. 201621462556.3, comprises a shell, wherein a coil is arranged in the shell, a plug connector for being plugged with a power socket to supply power to the coil is arranged on the side surface of the shell, a fixing plate is further arranged between the plug connector and the shell, the plug connector is buckled with the fixing plate, and an LED lamp electrically connected with a plug post of the plug connector is arranged on the fixing plate. This structure is mainly in order to reduce pilot lamp occupation space, and is not to the problem to high temperature and expend with heat and contract with cold.

Disclosure of Invention

The utility model aims to solve the technical problem that a supply guide's head complex solenoid valve coil base rational in infrastructure, convenient assembling is provided to foretell technical current situation, adopts package assembly, need not the package and moulds, does not have high temperature and expend with heat and contract with cold problem.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a supply first complex solenoid valve coil holder of guide, includes the casing, is equipped with the coil skeleton of winding coil in the casing, and the coil skeleton has the hole that runs through that supplies the guide head to wear to put, and both sides have the both ends that supply the guide head around the casing and stretch out trompil, its characterized in that: the circuit board is arranged above the coil framework in the shell, the pin base is arranged at the upper end of the circuit board, the opening for the pin base to extend out is formed in the upper surface of the shell, the pins extend out of the shell and are fixed on the pin base, and the springs are arranged at the bottoms of the pins and are abutted to the circuit board to realize electric connection.

Furthermore, the shell is a hollow metal shell with a cuboid structure, an opening for inserting the coil framework is formed in the front side of the shell, the coil framework is inserted into the shell, the rear end of the coil framework abuts against the inner wall of the shell, and a certain gap is formed between the upper end of the coil framework and the inner wall of the shell.

Still further, the circuit board location sets up in coil skeleton's upper end, has the plug foot seat fixed plate to set up in the casing in addition, and the plug foot seat that is used for installing to participate in is established to the plug foot seat fixed plate epirelief, and the plug foot seat fixed plate be with coil skeleton's upper end size assorted fretwork rectangular plate, and the lower extreme of plug foot seat fixed plate is protruding to be established and is offseted the lower edge of location with the circuit board, and the upper end front side of casing is seted up and is supplied the breach that the plug foot seat stretches out, and the plug foot seat sets up and fixes the position in the breach.

Furthermore, the pin base and the pin base fixing plate are an integrated piece, the pin base is provided with a jack for inserting and positioning the lower end of the pin, and the spring is supported between the bottom of the pin and the circuit board.

Furthermore, the pins are in a straight sheet shape, the insertion holes in the pin base are corresponding straight holes, and the pins are positioned on the upper surface of the shell after being fixed.

And the pins are bent at right angles, the insertion holes of the pin base are corresponding bent holes at right angles, and the pins are positioned on the front side of the upper surface of the shell after being fixed.

Still further, the number of the pins is two or three, and the number of the corresponding pin seats is two or three.

Further, the circuit board can be applied to alternating current or/and direct current circuit boards.

Further, the pilot head comprises a spacer bush, a static iron core and a movable iron core which are arranged in the spacer bush, a penetrating inner hole of the coil framework is matched with the spacer bush of the pilot head, and the penetrating inner hole can be rectangular, oval or circular.

Furthermore, the rear end of the shell is provided with a through hole for the rear end of the static iron core of the guide head to extend out, an end cover is fixed at the opening of the front end of the shell, and a sealing ring is arranged between the inner side of the end cover and the coil framework.

In addition, the pin base may be fixed with a lead wire instead of the pin, and the lead wire is fixed on the pin base.

And finally, the front part of the circuit board is provided with a pin hole which is electrically connected and positioned and is matched with a pin on the coil framework, and the rear part of the circuit board is provided with a positioning hole which is matched with a lug on the lower edge of the pin seat fixing plate.

Compared with the prior art, the utility model has the advantages of: the assembly structure is adopted, the shell, the coil framework, the circuit board and the pin base are assembled together without plastic coating, so that the problems of high temperature and expansion with heat and contraction with cold do not exist, and the assembly and the processing are very convenient; in addition, the circuit board can be used for both alternating current and direct current, and the practicability is high; the pin connection is stable and reliable, and is not easy to fall off, thereby prolonging the service life. The utility model discloses simple structure, need not the package and mould, effectively solved high temperature and expend with heat and contract with cold's problem, improved the yield, it is also very convenient to assemble simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 with the pilot removed;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a schematic structural diagram of embodiment 2 of the present invention;

FIG. 6 is a side cross-sectional view of FIG. 5;

FIG. 7 is a schematic diagram of a coil bobbin with an elliptical through-hole;

FIG. 8 is a view of the structure of the pins, the socket and the socket fixing plate;

fig. 9 is a schematic view of the lead wire fixed on the socket.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

Example 1

As shown in fig. 1 to 4 and 8, a solenoid valve coil holder for matching a pilot head comprises a housing 1, a pilot head 10, a coil frame 2 for winding a coil 3, a circuit board 4, pins 6 and a pin holder fixing plate 5, wherein the housing 1 is a hollow metal housing with a rectangular structure, which has a good shielding effect, an opening for inserting the coil frame 2 is arranged at the front side of the housing 1, the coil frame 2 is inserted into the housing 1, the rear end of the coil frame 2 abuts against the inner wall of the housing 1, a gap is formed between the upper end of the coil frame and the inner wall of the housing 1, the circuit board 4 is positioned above the coil frame 2 in the housing 1, the pin holder fixing plate 5 is arranged at the upper end of the circuit board 4, the pin holder fixing plate 5 is a rectangular plate with a size matched with the upper end of the coil frame 2, the lower end of the pin holder fixing plate 5 is convexly provided with a lower edge for abutting against the circuit board 4, a gap for extending the pin holder 51 is arranged at the, the pin base 51 is convexly arranged on the pin base fixing plate 5 and is arranged in the gap for positioning, the pin base 51 and the pin base fixing plate 5 are an integral piece, the pin base 51 is provided with a jack for inserting and positioning the lower end of the pin 6, the pin 6 extends out of the shell 1 and is fixed on the pin base 51, and a spring 7 is supported between the bottom of the pin 6 and the circuit board 4 for realizing electric connection; the pins 6 of this embodiment are three, and the shape is a straight piece, the insertion holes on the pin base 51 are corresponding straight holes, and the pins 6 are fixed and then located on the upper surface of the housing 1. The circuit board 4 is suitable for alternating current and direct current circuit boards, is convenient for alternating current and direct current to be general, the front part of the circuit board 4 is provided with a pin hole 41 which is used for electric connection and positioning, the pin hole is matched with a pin on the coil framework 2 and then is welded and fixed, the pin and a coil on the coil framework 2 are in conventional electric connection, the rear part of the circuit board 4 is provided with a positioning opening 42 which is matched with a convex block on the lower edge of the pin seat fixing plate 5 so as to be convenient for positioning assembly and electric connection.

The pilot head 10 penetrates through a through inner hole 21 of the coil framework 2, and two ends of the pilot head 10 extend out of holes formed in the front side and the rear side of the shell 1; the pilot head 10 comprises a spacer 101, a static iron core 103 and a movable iron core 102, wherein the static iron core 103 and the movable iron core 102 are arranged in the spacer 101, a through hole 21 of the coil framework 2 is matched with the spacer 101 of the pilot head 10, a through hole for extending out of the rear end of the static iron core 203 of the pilot head 10 is formed in the rear end of the casing 1, an end cover 9 is fixed at an opening at the front end of the casing 1, a sealing ring 8 is arranged between the inner side of the end cover 9 and the coil framework 2, and the end cover is welded and fixed.

Example 2

As shown in fig. 5 to 6 and 7 to 8, the present embodiment of a solenoid valve coil holder with a pilot head is different from embodiment 1 in the shape of a pin 6, the pin 6 of the present embodiment is bent at a right angle, an insertion hole of a pin holder 51 is a corresponding bent hole at a right angle, the pin 6 is fixed and then located on the front side of the upper surface of a housing 1, and a through inner hole 21 of a coil bobbin 2 of the present embodiment is matched with a spacer 101 of the pilot head 10, and the through inner hole 21 may be rectangular.

The through hole 21 may have an oval shape, as shown in fig. 7, or may have other shapes such as a circular shape. In addition, the openings penetrating through the two sides of the inner hole 21 can be in the same shape or different shapes, such as the front opening is rectangular, the rear opening is circular, and the like.

When in processing, a large number of movable iron cores 102 which are arranged in batches and provided with sealing gasket holes on the end faces are arranged in a mould, and during vulcanization, rubber is poured and then shoveled by a shovel, so that the requirement on dimensional precision is low, and the processing is very convenient.

During assembly, fix a position circuit board 4 on coil skeleton 2 earlier, insert coil skeleton 2 in casing 1, insert casing 1 with the pin socket fixed plate 5 that has installed participating in 6 again, fix a position through the breach joint on pin socket 51 and the casing 1, at last at casing 1 front end lining sealing washer 8, cover end cover 9, welded fastening can, of course end cover 9 also can be with fix with screw or with casing opening part riveting piece fixed etc..

Example 3

The pin base does not fix the pins, but fixes the leads 11 instead of the pins, the leads 11 are fixed on the pin base 51, see fig. 9, the leads 11 are electrically connected with the circuit board 4 directly or indirectly at the inner end of the casing 1, the indirect mode can adopt springs, the direct mode adopts the leads 11 to be welded with the circuit board 4, and the others are similar to the embodiment 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a supply first complex solenoid valve coil holder of guide, includes the casing, is equipped with the coil skeleton of winding coil in the casing, and the coil skeleton has the hole that runs through that supplies the guide head to wear to put, and both sides have the both ends that supply the guide head around the casing and stretch out trompil, its characterized in that: the circuit board is arranged above the coil framework in the shell, the pin base is arranged at the upper end of the circuit board, the opening for the pin base to extend out is formed in the upper surface of the shell, the pins extend out of the shell and are fixed on the pin base, and the springs are arranged at the bottoms of the pins and are abutted to the circuit board to realize electric connection.

2. A solenoid valve coil holder according to claim 1, wherein: the shell is a hollow metal shell with a cuboid structure, an opening for inserting the coil framework is formed in the front side of the shell, the coil framework is inserted into the shell, the rear end of the coil framework abuts against the inner wall of the shell, and a certain gap is formed between the upper end of the coil framework and the inner wall of the shell.

3. A solenoid valve coil holder according to claim 2, wherein: the circuit board location sets up in coil skeleton's upper end, has the plug foot seat fixed plate to set up in the casing in addition, and the plug foot seat that is used for installing to participate in is established to plug foot seat fixed plate epirelief, and the plug foot seat fixed plate be with coil skeleton's upper end size assorted fretwork rectangular plate, the lower extreme of plug foot seat fixed plate is protruding to be established and is offseted the lower edge of location with the circuit board, and the upper end front side of casing is seted up and is supplied the breach that the plug foot seat stretches out, and the plug foot seat setting is fixed a position in the breach.

4. A solenoid valve coil holder according to claim 3, wherein: the pin base and the pin base fixing plate are integrated, the pin base is provided with a jack for inserting and positioning the lower end of the pin, and the spring is supported between the bottom of the pin and the circuit board.

5. A solenoid valve coil holder according to claim 4, wherein: the pins are in a straight sheet shape, the insertion holes in the pin base are corresponding straight holes, and the pins are fixed and then positioned on the upper surface of the shell.

6. A solenoid valve coil holder according to claim 4, wherein: the plug pins are bent at right angles, the insertion holes of the plug pin bases are corresponding bent at right angles, and the plug pins are located on the front side of the upper surface of the shell after being fixed.

7. A solenoid valve coil holder according to any one of claims 1 to 6, wherein: the number of the pins is two or three.

8. A solenoid valve coil holder according to any one of claims 1 to 6, wherein: the circuit board is suitable for alternating current or/and direct current.

9. A solenoid valve coil holder according to any one of claims 1 to 6, wherein: the pilot head comprises a spacer bush, a static iron core and a movable iron core which are arranged in the spacer bush, a penetrating inner hole of the coil framework is matched with the spacer bush of the pilot head, and the penetrating inner hole can be rectangular, oval or circular.

10. A solenoid valve coil holder according to claim 9, wherein: the rear end of the shell is provided with a through hole for the rear end of the static iron core of the guide head to extend out, an end cover is fixed at the opening at the front end of the shell, and a sealing ring is arranged between the inner side of the end cover and the coil framework.

11. A solenoid valve coil holder according to claim 1, wherein: the pin base is not fixed with the pins but fixed with the lead wires, and the lead wires are fixed on the pin base.

12. A solenoid valve coil holder according to any one of claims 3 to 6, further comprising: the front part of the circuit board is provided with a pin hole which is used for electric connection and positioning and is matched with a pin on the coil framework, and the rear part of the circuit board is provided with a positioning hole which is matched with a lug on the lower edge of the pin seat fixing plate.