CN114883865A

CN114883865A - PLC switching terminal platform structure

Info

Publication number: CN114883865A
Application number: CN202210588116.6A
Authority: CN
Inventors: 张玉强
Original assignee: Shenzhen Qitai Automation Equipment Co ltd
Current assignee: Shenzhen Qitai Automation Equipment Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-08-09

Abstract

The invention belongs to the technical field of terminal blocks and discloses a PLC (programmable logic controller) switching terminal block structure which comprises a circuit board, wherein a wiring terminal block is fixedly arranged at the top of the circuit board, a plurality of wiring ports are formed in the front of the wiring terminal block, a plurality of fixed blocks positioned on the front of the wiring ports are fixedly arranged on the front of the wiring terminal block, a round rod is fixedly connected to the front of the wiring terminal block, and a first movable block is movably sleeved on the outer surface of the round rod. According to the invention, the fixed block, the round rod, the first movable block and the threaded rod are arranged, and the threaded rod can rotate along the left side of the wiring terminal row through the matching between the threaded rod and the wiring terminal row, so that the first movable block can be driven to move left and right along the outer surface of the round rod through the matching between the threaded rod and the first movable block, and meanwhile, the ring block can be formed through the first movable block and the fixed block, so that a wire can be clamped through the first movable block and the fixed block.

Description

PLC switching terminal platform structure

Technical Field

The invention belongs to the technical field of terminal blocks, and particularly relates to a PLC (programmable logic controller) switching terminal block structure.

Background

The terminal block is a firm device composed of an insulating base and more than one live parts, each conductive part can be used as a joint point for connecting two or more conductors and also used as a tool for individually connecting or disconnecting the conductors; at present staff is when being connected to PLC control system circuit, often can need to use terminal platform structure, and terminal platform structure among the prior art is at the in-process of in-service use, although can realize basic connecting wire's effect, nevertheless because it adopts to dial the insulating skin on wire top open usually and carry out the mode of pressing from both sides tight to its inside copper wire through the gasket and fix the wire, and its self of copper wire is comparatively thin, make area of contact between gasket and the copper wire less, thereby it breaks away from with terminal platform emergence easily when the wire receives external force to drag, influence its normal use, inconvenience has been brought for the staff, consequently, need improve it.

Disclosure of Invention

The present invention is directed to a PLC adapter terminal block structure to solve the above problems.

In order to achieve the above purpose, the invention provides the following technical scheme: the utility model provides a PLC switching terminal platform structure, includes the circuit board, the top fixed mounting of circuit board has binding post to arrange, a plurality of wiring mouth has been seted up in binding post row's front, binding post row's positive fixed mounting has a plurality of fixed block that is located the wiring mouth openly, binding post row's positive fixedly connected with round bar, first movable block has been cup jointed in the surface activity of round bar, the threaded rod has been cup jointed in binding post row's left side activity, the threaded rod cup joints with first movable block screw thread.

Preferably, the top fixedly connected with connector of circuit board, the top of connector articulates there is the fly leaf, first notch has been seted up to the inside of fly leaf, the inside fixed mounting of first notch has the dead lever, stopper and first spring have from left to right been cup jointed in proper order to the surface of dead lever activity.

Preferably, the bottom parcel of circuit board has the drain pan, the second notch has all been seted up to the both sides of drain pan, the inside fixed mounting of second notch has the circle axle, the adjustable shelf has been cup jointed in the surface activity of circle axle, the bottom fixed mounting of drain pan has the mount, the rectangular channel has been seted up in the left side of adjustable shelf, the inside fixed mounting of rectangular channel has the connecting rod, the surface from the top down of connecting rod has movably cup jointed second movable block and second spring in proper order, the left side fixed mounting of drain pan has the second movable block.

Preferably, the first movable blocks and the fixed blocks are sequentially arranged in a staggered manner from left to right, and a circular ring block is formed between the fixed blocks and the first movable blocks and can clamp an external wire.

Preferably, the left side of the limiting block penetrates through the connector and is movably sleeved with the connector, and the bottom of the movable plate is movably sleeved with the connector.

Preferably, the number of the first springs is two, and the two first springs are elastically arranged between the limiting block and the first notch.

Preferably, the movable frame and the fixed frame are clamped with an external guide rail, and the second spring is elastically supported between the rectangular groove and the second movable block.

Preferably, the top of the second movable block is in a tooth shape, and the second movable block is in meshed connection with the fixed latch.

The invention has the following beneficial effects:

1. according to the invention, through the arrangement of the fixed block, the round rod, the first movable block and the threaded rod, the threaded rod can rotate along the left side of the wiring terminal row through the matching between the threaded rod and the wiring terminal row, so that the first movable block can be driven to move left and right along the outer surface of the round rod through the matching between the threaded rod and the first movable block, and meanwhile, the ring block can be formed through the first movable block and the fixed block, so that a wire can be clamped through the first movable block and the fixed block, and further, the copper wire of the wire can be prevented from being separated from the inner side of the wiring port, so that the wire is more stable during working and is convenient for a worker to use.

2. According to the connector, the movable plate, the first spring and the limiting block are arranged, the movable plate can rotate along the top of the connector through the matching between the connector and the movable plate, so that the movable plate can be driven to seal the top of the connector, at the moment, an elastic force is applied to the limiting block due to the fact that the first spring is in a compressed state, the limiting block can be driven to penetrate through the connector, the movable plate can be limited through the matching between the limiting block and the connector, the top of the connector can be sealed, and external dust can be prevented from entering the connector when the connector is not used.

3. According to the invention, through the arrangement of the movable frame, the fixed latch and the second movable block, the second movable block can move up and down along the outer surface of the connecting rod through the matching between the second movable block and the connecting rod, so that the second movable block can be driven to be separated from the fixed latch and the movable frame is relieved from limiting, the movable frame can move left and right along the outer surface of the circular shaft, at the moment, as the second spring is in a compressed state, an elastic force can be applied to the second movable block, and further, the movable frame can be limited through the matching between the second movable block and the fixed latch, so that the gap between the movable frame and the fixed frame can be adjusted, and a worker can conveniently detach the bottom shell from the guide rail.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at A according to the present invention;

fig. 4 is a schematic view of a disassembled structure of the terminal block of the present invention;

FIG. 5 is a schematic view of a disassembled structure of the connector of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at B according to the present invention;

fig. 7 is a schematic structural view of the bottom of the present invention.

In the figure: 1. a circuit board; 2. a terminal block; 3. a wiring port; 4. a fixed block; 5. a round bar; 6. a first movable block; 7. a threaded rod; 8. a connector; 9. a movable plate; 10. a first notch; 11. fixing the rod; 12. a limiting block; 13. a first spring; 14. a bottom case; 15. a second notch; 16. a circular shaft; 17. a movable frame; 18. a fixed mount; 19. fixing the latch; 20. a connecting rod; 21. a second movable block; 22. a second spring; 23. a rectangular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, an embodiment of the present invention provides a PLC adapter terminal block structure, including a circuit board 1, a terminal block row 2 is fixedly installed on a top of the circuit board 1, a plurality of wiring ports 3 are opened on a front surface of the terminal block row 2, a plurality of fixing blocks 4 located on a front surface of the wiring ports 3 are fixedly installed on a front surface of the terminal block row 2, a round bar 5 is fixedly connected to a front surface of the terminal block row 2, a first movable block 6 is movably sleeved on an outer surface of the round bar 5, a threaded rod 7 is movably sleeved on a left side of the terminal block row 2, and the threaded rod 7 is threadedly sleeved with the first movable block 6.

Wherein, through the cooperation between threaded rod 7 and the first movable block 6 for threaded rod 7 will drive first movable block 6 and remove about following the surface of round bar 5 when taking place to rotate, thereby can carry out the centre gripping to the wire through first movable block 6 and fixed block 4.

As shown in fig. 1 and 4, a connector 8 is fixedly connected to the top of the circuit board 1, a movable plate 9 is hinged to the top of the connector 8, a first notch 10 is formed in the movable plate 9, a fixed rod 11 is fixedly mounted in the first notch 10, and a limit block 12 and a first spring 13 are sequentially and movably sleeved on the outer surface of the fixed rod 11 from left to right.

Wherein, through the cooperation between connector 8 and the movable plate 9 for movable plate 9 can rotate along the top of connector 8, thereby can drive movable plate 9 and seal the top of connector 8, prevent that outside dust from getting into.

As shown in fig. 1, 5, 6, the bottom parcel of circuit board 1 has drain pan 14, second notch 15 has all been seted up to the both sides of drain pan 14, the inside fixed mounting of second notch 15 has round axle 16, the surface activity of round axle 16 has cup jointed adjustable shelf 17, the bottom fixed mounting of drain pan 14 has mount 18, rectangular channel 23 has been seted up to the left side of adjustable shelf 17, the inside fixed mounting of rectangular channel 23 has connecting rod 20, second movable block 21 and second spring 22 have been cup jointed in proper order in the activity from the top down to the surface of connecting rod 20, the left side fixed mounting of drain pan 14 has second movable block 21.

Wherein, through the cooperation between adjustable shelf 17 and the circle axle 16 for adjustable shelf 17 can remove about the surface of circle axle 16, thereby can drive the clearance increase between adjustable shelf 17 and the external guide rail, and then can be convenient for dismantle drain pan 14.

As shown in fig. 1 and 4, the first movable blocks 6 and the fixed blocks 4 are sequentially arranged in a staggered manner from left to right, and a circular ring block is formed between the fixed block 4 and the first movable block 6 and can clamp an external wire.

Wherein, make through fixed block 4 and first movable block 6 and to carry out the centre gripping to the edge of wire to prevent that the copper wire of wire from breaking away from the inside of wiring mouth 3.

As shown in fig. 6, the left side of the limiting block 12 penetrates through the connector 8 and is movably sleeved with the connector 8, and the bottom of the movable plate 9 is movably sleeved with the connector 8.

Wherein, through the cooperation between stopper 12 and the dead lever 11 for stopper 12 can move about along the surface of dead lever 11, thereby can carry out spacing to movable plate 9 through the cooperation between stopper 12 and the connector 8.

As shown in fig. 6, the number of the first springs 13 is two, and both the first springs 13 are elastically arranged between the stopper 12 and the first notch 10.

Wherein, through the design of first spring 13 for stopper 12 has good elasticity reset performance, and first spring 13 is compression state this moment, consequently can exert an elasticity to stopper 12, thereby can drive stopper 12 and pass the inside of connector 8.

As shown in fig. 2 and 3, the movable frame 17 and the fixed frame 18 are clamped with the external guide rail, and the second spring 22 is elastically supported between the rectangular groove 23 and the second movable block 21.

The second movable block 21 has a good elastic restoring performance through the design of the second spring 22, and at this time, the second spring 22 is in a compressed state, so that an elastic force is applied to the second movable block 21, and the second movable block 21 and the fixed latch 19 can be matched more tightly.

As shown in fig. 3, the top of the second movable block 21 is in the shape of teeth, and the second movable block 21 is engaged with the fixed latch 19.

Wherein, through the cooperation between second movable block 21 and the connecting rod 20 for second movable block 21 can reciprocate along the surface of connecting rod 20, thereby can carry out spacingly through the cooperation between second movable block 21 and the fixed latch 19 to adjustable shelf 17.

The working principle and the using process are as follows:

firstly, the threaded rod 7 can rotate along the left side of the wiring terminal block 2 through the matching between the threaded rod 7 and the wiring terminal block 2, so that the first movable block 6 can be driven to move left and right along the outer surface of the round rod 5 through the matching between the threaded rod 7 and the first movable block 6, and meanwhile, a circular block can be formed through the first movable block 6 and the fixed block 4, so that a wire can be clamped through the first movable block 6 and the round rod 5, and further, the copper wire of the wire can be prevented from being separated from the inner side of the wiring port 3, so that the wire is more stable during working and is convenient for a worker to use;

meanwhile, the movable plate 9 can rotate along the top of the connector 8 through the matching between the connector 8 and the movable plate 9, so that the movable plate 9 can be driven to seal the top of the connector 8, at the moment, an elastic force can be applied to the limiting block 12 due to the fact that the first spring 13 is in a compressed state, the limiting block 12 can be driven to penetrate through the connector 8, the movable plate 9 can be limited through the matching between the limiting block 12 and the connector 8, the top of the connector 8 can be sealed, and external dust can be prevented from entering the connector 8 when the connector is not used;

afterwards, through the cooperation between second movable block 21 and the connecting rod 20, make second movable block 21 to reciprocate along the surface of connecting rod 20, thereby can drive the separation of second movable block 21 and fixed latch 19 and remove spacingly to movable frame 17, make movable frame 17 remove about can following the surface of round axle 16, because second spring 22 is compression state this moment, consequently can apply an elasticity to second movable block 21, and then can carry on spacingly to movable frame 17 through the cooperation between second movable block 21 and the fixed latch 19, make can adjust the clearance between movable frame 17 and the mount 18, the staff of being convenient for is dismantled drain pan 14 from the guide rail.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PLC switching terminal platform structure, includes circuit board (1), its characterized in that: the top fixed mounting of circuit board (1) has binding post to arrange (2), a plurality of wiring mouth (3) have been seted up in binding post arranges the front of (2), the positive fixed mounting that binding post arranged (2) has a plurality of fixed block (4) that are located wiring mouth (3) positive, binding post arranges positive fixedly connected with round bar (5) of (2), first movable block (6) have been cup jointed in the surface activity of round bar (5), threaded rod (7) have been cup jointed in the left side activity of binding post row (2), threaded rod (7) cup joint with first movable block (6) screw thread.

2. The PLC relay terminal block structure according to claim 1, wherein: the top fixedly connected with connector (8) of circuit board (1), the top of connector (8) articulates there is fly leaf (9), first notch (10) have been seted up to the inside of fly leaf (9), the inside fixed mounting of first notch (10) has dead lever (11), stopper (12) and first spring (13) have from left to right been cup jointed in proper order to the surface of dead lever (11) activity.

3. The PLC relay terminal block structure according to claim 1, wherein: the bottom parcel of circuit board (1) has drain pan (14), second notch (15) have all been seted up to the both sides of drain pan (14), the inside fixed mounting of second notch (15) has circle axle (16), the surface activity of circle axle (16) has cup jointed adjustable shelf (17), the bottom fixed mounting of drain pan (14) has mount (18), rectangular channel (23) have been seted up in the left side of adjustable shelf (17), the inside fixed mounting of rectangular channel (23) has connecting rod (20), the surface from the top down activity in proper order of connecting rod (20) has cup jointed second movable block (21) and second spring (22), the left side fixed mounting of drain pan (14) has second movable block (21).

4. The PLC relay terminal block structure according to claim 1, wherein: first movable block (6) and fixed block (4) from left to right in proper order staggered arrangement, form the ring piece and can carry out the centre gripping to external wire between fixed block (4) and first movable block (6).

5. The PLC relay terminal block structure according to claim 2, wherein: the left side of stopper (12) passes connector (8) and cup joints with connector (8) activity, the bottom and the connector (8) activity of fly leaf (9) are cup jointed.

6. The PLC relay terminal block structure according to claim 2, wherein: the number of the first springs (13) is two, and the two first springs (13) are elastically arranged between the limiting block (12) and the first notch (10).

7. The PLC relay terminal block structure according to claim 3, wherein: the movable frame (17) and the fixed frame (18) are clamped with an external guide rail, and the second spring (22) is elastically supported between the rectangular groove (23) and the second movable block (21).

8. The PLC relay terminal block structure according to claim 3, wherein: the top of the second movable block (21) is in a tooth shape, and the second movable block (21) is meshed with the fixed latch (19).