CN212411915U

CN212411915U - Card-inserting switch

Info

Publication number: CN212411915U
Application number: CN202021217294.0U
Authority: CN
Inventors: 王炳昆; 项映杰
Original assignee: Wenzhou Mrt Electrical Appliance Co ltd
Current assignee: Wenzhou Mrt Electrical Appliance Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-01-26
Anticipated expiration: 2030-06-28

Abstract

The utility model discloses a card-inserting switch, which comprises a rear shell, a circuit board and a panel, wherein the panel is arranged on the rear shell and forms an inner cavity for installing the circuit board with the rear shell; the cable connector comprises a circuit board, a cable connecting terminal and a clamping component, wherein the circuit board is provided with pins and the clamping component is used for fixing the cable connecting terminal on the pins; the clamping assembly comprises a clamping frame and a compression screw, a mounting hole for the compression screw to extend into and a wiring hole for the cable to extend into are formed in the rear shell, a wiring channel with two communicated sides and a screw hole for screwing the compression screw are formed in the clamping frame, the compression screw is screwed into the screw hole to be abutted against the contact part and form an axial force acting on the clamping frame, and the cable wiring end extending into the wiring channel is pressed and fixed on the contact part by the clamping frame under the action of the axial force. The utility model discloses can promote the connection stability of plug-in card switch wiring department, guarantee that the user gets the electricity smoothly.

Description

Card-inserting switch

Technical Field

The utility model relates to the technical field of switches, especially, relate to a plug-in card switch.

Background

The card switch in the prior art, also called as a power saving switch, is generally applied to buildings such as hotels or hotels. The hotel adopts the card of opening the door to get the electricity, when the guest leaves the room, get away the card of opening the door (the guest must pull out the card, because the guest still need return to open the door with this card), the power of electricity-saving switch automatic cutout hotel in 20 seconds, both can bring direct economic benefits (save a large amount of charges of electricity) for the hotel, extension guest room electrical apparatus life-span, promote guest room power consumption factor of safety, can reach the energy-conservation of hotel effectively again, the cost of investment minimum reaches the effect of hotel "energy saving and emission reduction". Conventional card-insertion switches generally include a rear housing, a panel, and a circuit board assembly (pcb). The rear shell is fixed in the wall body, and the panel is fixed on the rear shell and exposed out of the wall body. Wherein, the cable penetrates the backshell from the wall and is connected with the circuit board, and current plug-in card switch exists junction contact failure problem occasionally, can't get a little smoothly when leading to the plug-in card, then need unpack the plug-in card switch apart rewiring when meetting this kind of problem, wastes time and energy, and is very troublesome.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug-in card switch, the utility model discloses can promote the connection stability of plug-in card switch wiring department, guarantee that the user gets the electricity smoothly.

In order to achieve the above object, the utility model provides a following technical scheme: a card-inserting switch comprises a rear shell, a circuit board and a panel, wherein the panel is arranged on the rear shell and encloses an inner cavity for installing the circuit board with the rear shell; the cable connector comprises a circuit board, a cable connecting terminal and a clamping component, wherein the circuit board is provided with pins and the clamping component is used for fixing the cable connecting terminal on the pins; the clamping assembly comprises a clamping frame and a compression screw, a mounting hole for the compression screw to extend into and a wiring hole for the cable to extend into are formed in the rear shell, a wiring channel with two communicated sides and a screw hole for screwing the compression screw are formed in the clamping frame, the compression screw is screwed into the screw hole to be abutted against the contact part and form an axial force acting on the clamping frame, and the cable wiring end extending into the wiring channel is pressed and fixed on the contact part by the clamping frame under the action of the axial force.

Through adopting above-mentioned technical scheme, can firmly be connected cable wiring end and plug-in card switch, when cable wiring end passed the wiring hole of backshell and stretched into the wiring passageway of pressing from both sides solid frame promptly, in the screw hole on the clamping frame with the housing screw in and make housing screw's bottom and the contact site of pin contradict, thereby it forms the axial force that acts on the solid frame of clamp to continue to screw housing screw, presss from both sides solid frame and will stretch into the cable wiring end pressure of wiring passageway under the effect of this axial force and fix on the contact site of pin. This structure can not only improve the installation fastness of pin, can firmly press from both sides tight cable wiring end moreover, and then promotes the connection stability of plug-in card switch wiring department, gets the electricity smoothly when guaranteeing the user's plug-in card.

The utility model discloses further set up to, press from both sides solid frame and include the U-shaped contact piece, the both ends of U-shaped contact piece are equipped with first piece and the second piece of bending respectively, and first piece and the second piece of bending are contradicted mutually and are impeld the clamping frame to constitute a closed loop construction.

Through adopting above-mentioned technical scheme, conflict the coincide with the first piece that bends and the second piece that bends at U-shaped contact piece both ends and make the clamping frame form a closed loop structure, for in the past with the closed loop structure of steel sheet end to end welding formation, processing is simple and convenient more.

The utility model discloses further set up to, first piece that bends sets up in the second piece below that bends, the lateral part that is close to the second piece that bends on the U-shaped contact patch is equipped with the draw-in groove, be equipped with the fixture block that agrees with mutually with the draw-in groove on the first piece that bends, the lateral part that is close to first piece that bends on the U-shaped contact patch is equipped with the T shape spacing groove, be equipped with the T shape stopper of bending towards the first piece direction that bends on the second piece that bends, the T shape stopper with the T shape spacing groove agrees with mutually.

Through adopting above-mentioned technical scheme, not only can consolidate first piece and the second piece of bending, avoid the two displacement to open and influence the clamping effect of pressing from both sides solid frame, can improve the structural strength who presss from both sides solid frame moreover, furthest avoids it to produce deformation.

The utility model discloses further set up to, the transverse length of the portion of bending is less than the transverse length of fixed part to the transverse length of the portion of bending is less than the transverse length of contact site.

By adopting the technical scheme, the position of the contact part is conveniently adjusted, the extending direction of the contact part is parallel to the extending direction of the wiring channel, the contact area of the contact part and the cable contact end is increased, and the wiring stability is further improved.

The utility model discloses further set up to, the both sides of contact site are equipped with the cladding of orientation housing screw direction bending, the housing screw orientation the one end of contact site is equipped with the calotte.

Through adopting above-mentioned technical scheme, not only can reduce the contact gap of contact site and U-shaped contact piece to improve the fastness of wiring, can produce the location effect to the housing screw bottom moreover, play the antiskid effect, improve the stability of the power that the housing screw acted on the contact site.

The utility model discloses further set up to, one side that the contact site orientation housing screw direction is equipped with a plurality of anti-skidding wire casing.

Through adopting above-mentioned technical scheme, not only can play locking effect to housing screw, have certain radiating effect moreover.

The utility model discloses further set up to, the week side of fixed part is equipped with the reinforcement claw of bending towards the circuit board direction.

Through adopting above-mentioned technical scheme, can improve the fixed effect of fixed part greatly, improve the fastness of fixed part installation, avoid it not hard up or drop to influence electrically conductive effect.

The utility model discloses further set up to, the fixed part is located wiring passageway and falls on the orthographic projection of circuit board.

Through adopting above-mentioned technical scheme, can avoid the fixed part to producing the interference to pressing from both sides solid frame, press from both sides solid frame cladding simultaneously and have certain dustproof effect in the fixed part periphery, avoid fixed part and circuit board welding part deposition.

The utility model discloses further set up to, the mounting hole is long circular structure, the wiring hole is square structure to the wiring hole is just to the wiring.

By adopting the technical scheme, the mounting hole is designed into the long circular structure, so that the assembly precision requirement can be reduced, the displacement allowance of the compression screw can be provided when the compression screw is screwed in, the compression screw is greatly convenient to mount, and the processing difficulty is reduced; the wiring hole is of a square structure, and the wiring operation is greatly facilitated due to the design that the wiring hole is over against the wiring channel.

The utility model discloses further set up to, array distribution has a plurality of intercommunications on the backshell the louvre of inner chamber and external to backshell surface array distribution has a plurality of radiating grooves.

Through adopting above-mentioned technical scheme, can improve the radiating effect to improve the life of circuit board.

Drawings

Fig. 1 is a schematic view of the overall first viewing direction structure of the present invention;

fig. 2 is a second overall view direction structure diagram of the present invention;

fig. 3 is a schematic structural diagram of the circuit board of the present invention;

fig. 4 is a schematic structural view of the circuit board of the present invention with the clamping assembly removed;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a schematic view of the first viewing direction of the clamping assembly of the present invention;

fig. 7 is a schematic structural view of the second viewing direction of the clamping assembly of the present invention.

In the figure: 1. a rear housing; 2. a panel; 3. a clamping assembly; 4. mounting holes; 5. a wiring hole; 6. heat dissipation holes; 7. a heat sink; 8. a circuit board; 9. a pin; 10. clamping and fixing the frame; 11. a compression screw; 12. a wiring channel; 13. a fixed part; 14. a bending part; 15. a contact portion; 16. coating and bending; 17. an anti-slip wiring duct; 18. reinforcing claws; 19. a U-shaped contact piece; 20. a first bending piece; 21. a second bending piece; 22. a card slot; 23. a clamping block; 24. a T-shaped limiting groove; 25. a T-shaped limiting block; 26. a dome; 27. an inner cavity; 28. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): the utility model provides a card-inserting switch, as shown in the attached figures 1-7, comprising a rear shell 1, a circuit board 8 and a panel 2, wherein the panel 2 is arranged on the rear shell 1 and forms an inner cavity 27 for installing the circuit board 8 with the rear shell 1; the circuit board 8 is provided with a pin 9 and a clamping component 3 for fixing a cable wiring end on the pin 9, the pin 9 comprises a fixing part 13, a bending part 14 and a contact part 15, the fixing part 13, the bending part 14 and the contact part 15 are integrated, and the fixing part 13 is welded on the circuit board 8; the clamping component 3 comprises a clamping frame 10 and a compression screw 11, a mounting hole 4 for the compression screw 11 to extend into and a wiring hole 5 for the cable to extend into are arranged on the rear shell 1, a wiring channel 12 with two communicated sides and a screw hole 28 for screwing the compression screw 11 are arranged on the clamping frame 10, the compression screw 11 is screwed into the screw hole 28 and is abutted to the contact part 15 to form an axial force acting on the clamping frame 10, and the cable wiring terminal extending into the wiring channel 12 is pressed and fixed on the contact part 15 by the clamping frame 10 under the action of the axial force. This structure can not only improve the installation fastness of pin 9, can firmly press from both sides tight cable wiring end moreover, and then promotes the connection stability of plug-in card switch wiring department, gets the electricity smoothly when guaranteeing the user's plug-in card.

As shown in fig. 6, the clamping frame 10 includes a U-shaped contact piece 19, two ends of the U-shaped contact piece 19 are respectively and integrally provided with a first bending piece 20 and a second bending piece 21, and the first bending piece 20 and the second bending piece 21 are mutually abutted to urge the clamping frame 10 to form a closed loop structure.

As shown in fig. 6 and 7, the first bending piece 20 is arranged below the second bending piece 21, a clamping groove 22 is formed in the side portion, close to the second bending piece 21, of the U-shaped contact piece 19, a clamping block 23 matched with the clamping groove 22 is arranged on the first bending piece 20, a T-shaped limiting groove 24 is formed in the side portion, close to the first bending piece 20, of the U-shaped contact piece 19, a T-shaped limiting block 25 bent towards the first bending piece 20 is arranged on the second bending piece 21, and the T-shaped limiting block 25 is matched with the T-shaped limiting groove 24. This design not only can consolidate first bending piece 20 and second bending piece 21, avoids the two displacement to open and influence the clamping effect of pressing from both sides solid frame 10, can improve the structural strength who presss from both sides solid frame 10 moreover, and furthest avoids it to produce deformation.

Wherein, the transverse length of the bending part 14 is smaller than that of the fixing part 13, and the transverse length of the bending part 14 is smaller than that of the contact part 15. The design is convenient for adjusting the position of the contact part 15, so that the extending direction of the contact part 15 is parallel to the extending direction of the wiring channel 12, the contact area of the contact part 15 and the cable contact end is increased, and the wiring stability is further improved.

As shown in fig. 5, two sides of the contact portion 15 are provided with a wrapping bend 16 bending toward the compression screw 11, and one end of the compression screw 11 facing the contact portion 15 is provided with a dome 26. This design not only can reduce the contact gap of contact site 15 with U-shaped contact piece 19 to improve the fastness of wiring, can produce the location effect to housing screw 11 bottom moreover, play the antiskid effect, improve the stability of the power that housing screw 11 acted on contact site 15.

As shown in fig. 5, a plurality of anti-slip wiring grooves 17 are formed on one side of the contact portion 15 facing the direction of the compression screw 11. This design not only can play locking effect to housing screw 11, has certain radiating effect moreover.

As shown in fig. 5, a reinforcing claw 18 bent toward the circuit board 8 is provided on the peripheral side of the fixing portion 13. This design can improve the fixed effect of fixed part 13 greatly, improves the fastness of fixed part 13 installation, avoids it not hard up or drops and influences electrically conductive effect.

Wherein the fixing part 13 is located in the orthographic projection of the wiring channel 12 falling on the circuit board 8. This design can avoid fixed part 13 to producing the interference to pressing from both sides solid frame 10, presss from both sides solid frame 10 cladding simultaneously and has certain dustproof effect in fixed part 13 periphery, avoids fixed part 13 and circuit board 8 welding part deposition.

As shown in fig. 2, the mounting hole 4 is an oblong structure, the design can reduce the requirement on assembly precision, and can provide the displacement allowance of the compression screw 11 when the compression screw 11 is screwed in, thereby greatly facilitating the mounting of the compression screw 11 and reducing the processing difficulty; the wiring hole 5 is of a square structure, and the wiring hole 5 is right opposite to the wiring channel 12, so that the wiring operation is greatly facilitated by the design.

As shown in fig. 2, a plurality of heat dissipation holes 6 communicating the inner cavity 27 with the outside are distributed on the rear shell 1 in an array manner, and a plurality of heat dissipation grooves 7 are distributed on the surface of the rear shell 1 in an array manner. This design can improve the radiating effect to improve circuit board 8's life.

The working principle is as follows: when the cable terminal passes through the wiring hole 5 of the rear shell 1 and extends into the wiring channel 12 of the clamping frame 10, the compression screw 11 is screwed into the screw hole 28 on the clamping frame 10, the bottom end of the compression screw 11 is abutted against the contact part 15 of the pin 9, the compression screw 11 is continuously screwed so as to form an axial force acting on the clamping frame 10, and the cable terminal extending into the wiring channel 12 is pressed on the contact part 15 of the pin 9 by the clamping frame 10 under the action of the axial force. This structure can not only improve the installation fastness of pin 9, can firmly press from both sides tight cable wiring end moreover, and then promotes the connection stability of plug-in card switch wiring department, gets the electricity smoothly when guaranteeing the user's plug-in card.

Claims

1. A card-inserting switch comprises a rear shell (1), a circuit board (8) and a panel (2), wherein the panel (2) is arranged on the rear shell (1) and encloses an inner cavity (27) for installing the circuit board (8) with the rear shell (1); the method is characterized in that: the cable connector is characterized in that the circuit board (8) is provided with pins (9) and a clamping component (3) for fixing the cable wiring end on the pins (9), the pins (9) comprise fixing parts (13), bending parts (14) and contact parts (15), and the fixing parts (13) are welded on the circuit board (8); clamping subassembly (3) are including pressing from both sides solid frame (10) and housing screw (11), be equipped with on backshell (1) and be used for mounting hole (4) that housing screw (11) stretched into and be used for stretching into wiring hole (5) of cable, be equipped with communicating wiring passageway (12) in both sides and be used for connect screw (11) screw (28) soon on pressing from both sides solid frame (10), housing screw (11) screw in screw (28) with contact site (15) are inconsistent and form the axial force that acts on the solid frame of clamp (10), press from both sides solid frame (10) and will stretch into the cable wiring terminal in wiring passageway (12) under the axial force effect and be in on contact site (15).

2. The paddle-card switch of claim 1, wherein: the clamping and fixing frame (10) comprises a U-shaped contact piece (19), a first bending piece (20) and a second bending piece (21) are arranged at two ends of the U-shaped contact piece (19) respectively, and the first bending piece (20) and the second bending piece (21) are mutually abutted to enable the clamping and fixing frame (10) to form a closed-loop structure.

3. The paddle-card switch of claim 2, wherein: first bending piece (20) set up in second bending piece (21) below, the lateral part that is close to second bending piece (21) on U-shaped contact piece (19) is equipped with draw-in groove (22), be equipped with on first bending piece (20) fixture block (23) that agrees with mutually with draw-in groove (22), the lateral part that is close to first bending piece (20) on U-shaped contact piece (19) is equipped with T shape spacing groove (24), be equipped with on second bending piece (21) towards T shape stopper (25) that first bending piece (20) direction was bent, T shape stopper (25) with T shape spacing groove (24) agree with mutually.

4. The paddle-card switch of claim 1, wherein: the transverse length of the bending part (14) is smaller than that of the fixing part (13), and the transverse length of the bending part (14) is smaller than that of the contact part (15).

5. The paddle-card switch of claim 1, wherein: and coating bends (16) which are bent towards the direction of the compression screw (11) are arranged on two sides of the contact part (15), and a dome (26) is arranged at one end, facing the contact part (15), of the compression screw (11).

6. The paddle-card switch of claim 1, wherein: and one side of the contact part (15) facing the direction of the compression screw (11) is provided with a plurality of anti-skidding wiring grooves (17).

7. The paddle-card switch of claim 1, wherein: the periphery of the fixing part (13) is provided with a reinforcing claw (18) which is bent towards the direction of the circuit board (8).

8. The paddle-card switch of claim 1, wherein: the fixing part (13) is positioned in the orthographic projection of the wiring channel (12) falling on the circuit board (8).

9. The paddle-card switch of claim 1, wherein: the mounting hole (4) is of an oblong structure, the wiring hole (5) is of a square structure, and the wiring hole (5) is opposite to the wiring channel (12).

10. The paddle-card switch of claim 1, wherein: a plurality of heat dissipation holes (6) communicated with the inner cavity (27) and the outside are formed in the rear shell (1) in an array mode, and a plurality of heat dissipation grooves (7) are formed in the surface of the rear shell (1) in an array mode.