CN214589318U

CN214589318U - Plug-in type junction box for electromagnetic valve

Info

Publication number: CN214589318U
Application number: CN202023130693.6U
Authority: CN
Inventors: 刘勇; 倪浩; 倪志升; 吕伟强
Original assignee: Zhejiang EMc Pneumatic Technology Co ltd
Current assignee: Zhejiang EMc Pneumatic Technology Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-02
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a plug-in type junction box for an electromagnetic valve, which comprises a box body and an inner core, wherein the box body and the inner core are matched with each other and are arranged in a split manner, a plug pin is arranged in the inner core, the junction box also comprises a circuit board, the circuit board is fixedly arranged at the top of the inner core, the top of the plug pin is welded with the circuit board, a pin is arranged on the circuit board, the box body is provided with a socket matched with a plug of an external control power supply, and the pin extends into the socket; when the plug is inserted into the socket, the plug and the pins form a plug-in type electric connection. The utility model has the advantages of it is following and effect: the new mechanical structure of this scheme utilization adopts to connect the stitch to install in the inner core, will connect stitch and circuit board welded fastening again, is fixed in the grafting mode on the inner core with the box body at last, compares in prior art, need not at the inside power cord that arranges of terminal box, has simple to operate, swift effect, is favorable to improving assembly efficiency and product quality.

Description

Plug-in type junction box for electromagnetic valve

Technical Field

The utility model relates to an electromagnetic valve technical field, in particular to plug-in type terminal box for electromagnetic valve.

Background

The solenoid valve is an electromechanical integrated product widely used in pneumatic and hydraulic control fields, and is generally composed of a coil component and a valve body component, wherein the coil component is usually connected with an external control power supply through a junction box.

The structure of the existing junction box mainly comprises a box body and an inner core matched with the box body, wherein the box body and the inner core are arranged in a split mode, a plug pin is arranged in the inner core, the plug pin is provided with a plug pin wiring part with a screw hole, during wiring, the inner core and the box body need to be separated firstly, then a power line is fixed in the plug pin wiring part, the power line is fixed through a fixing screw, and then the inner core and the box body are assembled. By adopting the structure design, the power line is fixed by means of the screwdriver and the fixing screw in the installation process, the installation is complicated, the assembly efficiency is low, and the power line is arranged in the junction box due to the small size of the inner core, so that the operation is inconvenient, and the quality of the product is difficult to ensure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a plug-in type terminal box for solenoid valve, it need not to arrange the power cord in the terminal box is inside, has simple to operate, swift effect, is favorable to improving assembly efficiency and product quality.

The above technical purpose of the present invention can be achieved by the following technical solutions: a plug-in type junction box for an electromagnetic valve comprises a box body and an inner core, wherein the box body and the inner core are matched with each other and are arranged in a split mode, plug pins are arranged in the inner core, the circuit board is fixedly arranged at the top of the inner core, the tops of the plug pins are welded with the circuit board, pins are arranged on the circuit board, a socket matched with a plug of an external control power supply is arranged on the box body, and the pins extend into the socket; when the plug is inserted into the socket, the plug and the pins form a plug-in type electric connection.

By adopting the technical scheme, during installation, the plug pins are installed in the inner core, then the circuit board is correspondingly installed on the inner core, the plug pins are welded and fixed on the circuit board, then the box body is installed on the inner core, so that the pins of the circuit board extend into the sockets, and in the normal use process, an external plug is inserted into the sockets and can be connected with the pins. So, compare in prior art, need not to arrange the power cord in terminal box inside, have simple to operate, swift effect, be favorable to improving assembly efficiency and product quality.

The utility model discloses a further set up to: the top of inner core is provided with the location boss, and the circuit board corresponds is provided with the locating hole with location boss location fit.

By adopting the technical scheme, when the circuit board is arranged on the inner core, the positioning hole of the circuit board corresponds to the positioning boss, so that the positioning boss can pass through the positioning hole to realize pre-positioning.

The utility model discloses a further set up to: the positioning boss penetrates through the positioning hole and is welded and fixed with the circuit board.

Through adopting above-mentioned technical scheme, with location boss and circuit board welded fastening back, can prevent that the circuit board from droing, improve the fastness.

The utility model discloses a further set up to: the inner wall of the box body is provided with a pressing part, and when the inner core is connected with the box body, the circuit board is fixedly pressed between the top of the inner core and the pressing part.

Through adopting above-mentioned technical scheme, box body and inner core fixed connection back, compress tightly the portion and press the circuit board fastening and fix, so, when the terminal box was connected on coil housing, the difficult not hard up or drop of circuit board, the reliability is stronger, the firmness is higher.

The utility model discloses a further set up to: the circuit board is provided with an avoiding hole for the top of the plug pin to pass through, and the top of the plug pin passes through the avoiding hole and then is welded and fixed with the upper surface of the circuit board.

By adopting the technical scheme, the plug pins correspondingly penetrate through the avoiding holes, and the avoiding holes can play a role in positioning the plug pins and facilitate welding.

The utility model discloses a further set up to: the top of the plug pin is provided with a shoulder which is abutted and matched with the lower surface of the circuit board.

By adopting the technical scheme, the shoulder can play a certain limiting role in the installation position of the butt pin.

The utility model discloses a further set up to: the box body is pressed on the top of the inner core.

The utility model discloses a further set up to: the box body covers the outer part of the inner core.

The utility model discloses a further set up to: the box body is provided with a first jack, the inner core is correspondingly provided with a second jack, the inner core is connected with the box body through a screw, and the screw sequentially penetrates through the first jack and the second jack.

By adopting the technical scheme, after the box body and the inner core are locked and fixed through the screws, the inner core is not easy to separate from the box body, and the reliability is higher.

The utility model discloses a further set up to: the bottom of the inner core is provided with a threading hole corresponding to the plug pin.

By adopting the technical scheme, the external wiring can penetrate through the threading hole and is fixedly connected with the plug pins.

To sum up, the utility model discloses following beneficial effect has:

1. compared with the prior art, the plug-in mode that the plug pins are arranged in the inner core, then the plug pins and the circuit board are welded and fixed, and finally the box body is fixed on the inner core is adopted, a power line does not need to be arranged in the junction box, the effect of convenient and quick installation is achieved, and the assembly efficiency and the product quality are improved;

2. the positioning boss of the inner core and the positioning hole of the circuit board are adopted to realize mounting and pre-positioning, and then the circuit board is welded and fixed, so that the circuit board can be prevented from falling off, and the firmness is improved;

3. the mode of setting up the portion that compresses tightly at the box body inner wall is adopted, and when the terminal box was connected on coil housing, the difficult not hard up or drop of circuit board, the reliability is stronger, the firmness is higher.

Drawings

Fig. 1 is a schematic diagram of the overall structural relationship of the first embodiment.

FIG. 2 is a sectional view of the first embodiment.

Fig. 3 is an exploded view of the first embodiment.

Fig. 4 is an exploded view from another perspective of the first embodiment.

Fig. 5 is a schematic view of the overall structure of the second embodiment.

FIG. 6 is a sectional view of the second embodiment.

In the figure: 1. a box body; 11. a socket; 12. a pressing part; 13. a first jack; 2. an inner core; 21. a mounting cavity; 22. positioning the boss; 23. a second jack; 24. threading holes; 3. a circuit board; 31. positioning holes; 32. a through hole; 33. avoiding holes; 34. a pin; 4. a plug pin; 41. a shoulder portion; 5. a screw; 6. and (4) a plug.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The first embodiment is as follows:

a plug-in type junction box for an electromagnetic valve is shown in figures 1-4 and comprises a box body 1, an inner core 2 and a circuit board 3, wherein the box body 1 and the inner core 2 are matched with each other and are arranged in a split mode, two installation cavities 21 are formed in the inner core 2, plug pins 4 are respectively installed in the installation cavities 21, the circuit board 3 is fixedly arranged at the top of the inner core 2, two positioning bosses 22 are arranged at the top of the inner core 2, the circuit board 3 is correspondingly provided with positioning holes 31 matched with the positioning bosses 22 in a positioning mode, the positioning bosses 22 penetrate through the positioning holes 31, and the positioning bosses 22 are welded and fixed with the circuit board 3. When the circuit board 3 is installed on the inner core 2, the positioning hole 31 of the circuit board 3 corresponds to the positioning boss 22, so that the positioning boss 22 penetrates through the positioning hole 31 to realize pre-positioning, and after the positioning boss 22 and the circuit board 3 are welded and fixed, the circuit board 3 can be prevented from falling off, and the firmness is improved.

As shown in fig. 3, a through hole 32 is formed in the center of the circuit board 3, avoiding holes 33 are formed in two sides of the through hole 32, the avoiding holes 33 allow the top of the plug pins 4 to pass through, a shoulder 41 is arranged on the top of the plug pins 4, the shoulder 41 is in abutting fit with the lower surface of the circuit board 3, the shoulder 41 can play a certain limiting role in the installation position of the plug pins 4, the top of the plug pins 4 passes through the avoiding holes 33 and then is welded and fixed with the upper surface of the circuit board 3, the plug pins 4 correspondingly pass through the avoiding holes 33, and the avoiding holes 33 can play a role in positioning the plug pins 4 to a certain extent, so that welding is facilitated. A pin 34 is arranged on the circuit board 3, a socket 11 matched with a plug 6 of an external control power supply is arranged on the box body 1, and the pin 34 extends into the socket 11; when the plug 6 of the external control power supply is inserted into the socket 11, the plug 6 and the pin 34 form a plug-in type electrical connection.

As shown in fig. 4, the four corners of the inner wall of the case 1 are provided with the pressing portions 12, and when the inner core 2 is connected to the case 1, the circuit board 3 is fixedly pressed between the top of the inner core 2 and the pressing portions 12. After the box body 1 is fixedly connected with the inner core 2, the circuit board 3 is fixedly compressed by the compressing part 12, so that when the junction box is connected to the coil shell, the circuit board 3 is not easy to loosen or fall, the reliability is high, and the firmness is high.

As shown in fig. 1 and 4, the box body 1 is pressed on the top of the inner core 2, the box body 1 is provided with a first jack 13, the inner core 2 is correspondingly provided with a second jack 23 with threads, the inner core 2 is connected with the box body 1 through a screw 5, and the screw 5 sequentially passes through the first jack 13, the through hole 32 of the circuit board 3 and the second jack 23. After the box body 1 and the inner core 2 are locked and fixed through the screw 5, the inner core 2 and the box body 1 are not easy to separate, and the reliability is high. The bottom of the inner core 2 is provided with a threading hole 24 corresponding to the plug pin 4, and external wiring can penetrate through the threading hole 24 and is fixedly connected with the plug pin 4.

The utility model discloses a basic operating principle does: during installation, the plug pins 4 are installed in the inner core 2, the circuit board 3 is correspondingly installed on the inner core 2, the plug pins 4 are fixed on the circuit board 3 in a welding mode, the box body 1 is installed on the inner core 2, the pins 34 of the circuit board 3 extend into the socket 11, and in the normal use process, the external plug 6 is inserted into the socket 11 and can be connected with the pins 34. So, compare in prior art, need not to arrange the power cord in terminal box inside, have simple to operate, swift effect, be favorable to improving assembly efficiency and product quality.

Example two:

a plug-in type junction box for solenoid valves, as shown in fig. 5 and 6, the difference of the first embodiment is that: box body 1 covers the outside of locating inner core 2, so, for box body 1 lid in inner core 2 top, the wholeness of outward appearance is stronger, and box body 1 has better protection effect to inner core 2.

The above is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles in accordance with the claims of the present invention are included in the claims of the present invention.

Claims

1. The utility model provides a plug-in terminal box for solenoid valve, includes box body (1) and inner core (2), box body (1) with inner core (2) match each other and are split type setting, be provided with in inner core (2) and connect stitch (4), its characterized in that: the plug box is characterized by further comprising a circuit board (3), wherein the circuit board (3) is fixedly arranged on the top of the inner core (2), the top of the plug pin (4) is welded with the circuit board (3), a pin (34) is arranged on the circuit board (3), the box body (1) is provided with a socket (11) matched with a plug (6) of an external control power supply, and the pin (34) extends into the socket (11); when the plug (6) is inserted into the socket (11), the plug (6) and the pins (34) form a plug-in type electric connection.

2. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the top of inner core (2) is provided with location boss (22), circuit board (3) correspond be provided with location boss (22) location fit's locating hole (31).

3. The plug-in type terminal block for solenoid valves as claimed in claim 2, wherein: the positioning boss (22) penetrates through the positioning hole (31), and the positioning boss (22) is welded and fixed with the circuit board (3).

4. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the inner wall of the box body (1) is provided with a pressing part (12), and when the inner core (2) is connected with the box body (1), the circuit board (3) is fixedly pressed between the top of the inner core (2) and the pressing part (12).

5. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the circuit board (3) is provided with an avoiding hole (33) for the top of the connecting pin (4) to pass through, and the top of the connecting pin (4) passes through the avoiding hole (33) and then is welded and fixed with the upper surface of the circuit board (3).

6. The plug-in type terminal block for solenoid valves according to any one of claims 1 to 5, wherein: the top of each plug pin (4) is provided with a shoulder (41), and the shoulders (41) are abutted with the lower surface of the circuit board (3).

7. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the box body (1) is arranged at the top of the inner core (2) in a pressing mode.

8. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the box body (1) is covered outside the inner core (2).

9. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the box body (1) is provided with a first jack (13), the inner core (2) is correspondingly provided with a second jack (23), the inner core (2) is connected with the box body (1) through a screw (5), and the screw (5) sequentially penetrates through the first jack (13) and the second jack (23).

10. The plug-in type terminal block for solenoid valves as claimed in claim 1, wherein: the bottom of the inner core (2) is provided with a threading hole (24) corresponding to the plug pin (4).