Multi-path control relay
Technical Field
The invention relates to the technical field of relays, in particular to a multi-path control relay.
Background
In the field of industrial automation all over the world, particularly in the intelligent electrification industry, relays are increasingly used for control, and multiple functions are realized by controlling multiple electronic components or multiple electric devices. However, the conventional relay generally has a single contact, and only one circuit can be switched at a time, and a plurality of circuits cannot be controlled at the same time, which is inefficient in operation.
When a plurality of circuits need to be controlled, a plurality of switches or a plurality of relays need to be arranged, the structure is complex, the structure volume is large, the occupied space is large, and the installation and the use are inconvenient; and the circuit structure is too complicated, and the relays are easy to interfere with each other, so that the normal use is influenced.
Therefore, it is desirable to provide a multiplexing control relay which can operate a plurality of circuits at the same time and has a high integration level to meet the requirement of multiplexing control.
Disclosure of Invention
The invention aims to provide a multi-path control relay, which is used for solving the problems that the existing relay can only control a single circuit, and has weak control capability and low integration level.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a multi-path control relay comprises a shell, wherein a disc-shaped fixing frame is clamped at the upper part of an inner cavity of the shell, a connecting piece penetrates through the top of the shell, and the connecting piece is screwed on the upper side of the fixing frame; a plurality of first conductive blocks are clamped at the upper end of the fixing frame, a plurality of second conductive blocks penetrate through the side wall of the shell, and one second conductive block corresponds to one first conductive block; a plurality of fixed contacts are clamped on the lower side of the fixed frame and extend along the axial direction of the shell; the bottom of the inner cavity of the shell is provided with a movable contact, and the upper end of the movable contact is positioned among the plurality of fixed contacts.
Preferably, the moving contact comprises a base, a rotary rod is hinged to the upper side of the base, a circular pull ring is sleeved on the rotary rod, first springs are bound to the edge of the base, and the two first springs are respectively located on two sides of the rotary rod; a screwing seat is screwed on the upper part of the rotating rod by screw threads, a disc-shaped guide seat is clamped on the upper side of the screwing seat, a first guide hole penetrates through the guide seat along the radial direction of the guide seat, a first telescopic rod penetrates through the first guide hole in a sliding manner, and a movable contact iron is clamped on one end, far away from the guide seat, of the first telescopic rod; a fixed seat is fixed on the side wall of the rotating rod through a bolt, and a second spring is bound between the fixed seat and the movable contact iron; in the upper portion of rotary rod has connect cylindric first installation section of thick bamboo with the screw thread soon, in the joint has a flexible section of thick bamboo on the outer wall of a first installation section of thick bamboo, in gliding the wearing to be equipped with shaft-like second telescopic link in a flexible section of thick bamboo.
Preferably, the connecting piece comprises a cylindrical fixed barrel, and a plurality of internal teeth are clamped on the side wall of the inner cavity of the fixed barrel; an adjusting rod penetrates through the fixed cylinder and rotates in the fixed cylinder along the axial direction of the fixed cylinder, and a plurality of external teeth are clamped on the outer wall of the lower end of the adjusting rod; the external teeth and the internal teeth are meshed with each other; an adjusting cylinder is sleeved on the upper part of the adjusting rod in a rotating manner, and a limiting frame is clamped on the side wall of the adjusting cylinder; a conductive rod is hinged to the adjusting cylinder and penetrates through the limiting frame; a lifting cylinder is screwed on the adjusting rod by threads, and the lifting cylinder is positioned between the adjusting cylinder and the fixed cylinder; a supporting plate is clamped at the lower side of the conducting rod, and a sliding adjusting rod is clamped between the supporting plate and the lifting cylinder; in keeping away from of conducting rod the one end joint of adjusting a section of thick bamboo has the conducting frame, in the upside and the downside of conducting frame all are equipped with the holding tank concavely, in the tip of holding tank articulates there is the electrically conductive contact board.
Preferably, the conductive contact plate comprises a bottom plate, and a contact plate and a spring plate are respectively hinged to two ends of the bottom plate; a first sliding groove is concavely arranged on the lower side of the contact plate, and the spring plate slides in the first sliding groove.
Preferably, the fixed contact comprises a top plate, a positioning seat is fixed to the lower side of the top plate through a bolt, a central rod is hinged to the positioning seat, an operating plate is fixed to the lower portion of the central rod through a bolt, an electromagnet is clamped to the side wall of the operating plate, a coil is sleeved on the electromagnet, and a contact head is fixed to the operating plate through a bolt.
Preferably, the contact head comprises a first support plate with a longitudinal section being L-shaped, a cylindrical accommodating barrel is clamped on the side wall of the first support plate, a second support plate is hinged to the upper end of the first support plate, a contact block is clamped on one side of the second support plate, a plurality of annular connecting rings are clamped on the other side of the second support plate, and a third spring is bound between the connecting rings and the accommodating barrel.
The invention has the following advantages:
(1) a plurality of movable contact irons are arranged on the movable contact and correspond to the plurality of fixed contacts; the position of the conductive contact plate is adjusted by rotating the connecting piece adjusting rod, the conductive contact plate electrically connects the second conductive block with the first conductive block, and the corresponding electromagnet releases magnetic force to attract the corresponding movable contact iron, so that the connection of a circuit is realized; the corresponding circuits are switched on by rotating the connecting piece to the corresponding positions, so that the selective switching of the circuits is realized respectively; the control of a plurality of circuits is conveniently realized;
(2) the control switches of a plurality of circuits are integrated in one shell, so that the high integration of the switch circuit is realized, and the occupation of space is reduced.
Drawings
Fig. 1 is a schematic diagram of the structure of the multiplex control relay of the present invention.
Fig. 2 is a schematic structural diagram of the movable contact in the present invention.
Fig. 3 is a schematic view of the structure of the connector of the present invention.
Fig. 4 is a schematic structural view of the conductive contact plate of the present invention.
Fig. 5 is a schematic structural view of a stationary contact in the present invention.
Fig. 6 is a schematic view of the structure of the contact in the present invention.
In the figure: 1-a housing; 2-a connector; 21-adjusting the rod; 22-a conditioning cylinder; 23-a limit frame; 24-a conductive rod; 25-a conductive contact plate; 251-a contact plate; 252-a spring plate; 253-a bottom plate; 26-accommodating grooves; 27-a conductive frame; 28-a support plate; 29-sliding adjusting rod; 210-external teeth; 211-internal teeth; 212-a stationary cartridge; 213-a lifting cylinder; 3-a second conductive block; 4-a first conductive block; 5-a fixing frame; 6, static contact; 61-a top plate; 62-positioning seat; 63-a center pole; 64-an operation panel; 65-an electromagnet; 66-contact head; 661-holding cylinder; 662-a first support plate; 663-connecting ring; 664-contact block; 665-a second support plate; 666-third spring; 7-moving contact; 71-a base; 72-a first spring; 73-a pull ring; 74-rotating lever; 75-screwing seat; 76-a guide seat; 77-fixing seat; 78-a first telescoping rod; 79-a second spring; 710-moving contact iron; 711-a second telescopic rod; 712-telescoping cylinder; 713-first mounting cylinder.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Examples
The multi-channel control relay of the embodiment comprises a shell 1, wherein a disc-shaped fixing frame 5 is clamped at the upper part of an inner cavity of the shell 1, a connecting piece 2 penetrates through the top of the shell 1, and the connecting piece 2 is screwed on the upper side of the fixing frame 5; a plurality of first conductive blocks 4 are clamped at the upper end of the fixing frame 5, a plurality of second conductive blocks 3 penetrate through the side wall of the shell 1, and one second conductive block 3 corresponds to one first conductive block 4; a plurality of fixed contacts 6 are clamped on the lower side of the fixed frame 5, and the fixed contacts 6 extend along the axial direction of the shell 1; a moving contact 7 is fixed at the bottom of the inner cavity of the shell 1 by bolts, and the upper end of the moving contact 7 is positioned among the plurality of static contacts 6.
A plurality of movable contact irons are arranged on the movable contact and correspond to the plurality of fixed contacts; the position of the conductive contact plate is adjusted by rotating the connecting piece adjusting rod, the conductive contact plate electrically connects the second conductive block with the first conductive block, and the corresponding electromagnet releases magnetic force to attract the corresponding movable contact iron, so that the connection of a circuit is realized; the corresponding circuits are switched on by rotating the connecting piece to the corresponding positions, so that the selective switching of the circuits is realized respectively; the control of a plurality of circuits is conveniently realized; the control switches of a plurality of circuits are integrated in one shell, so that the high integration of the switch circuit is realized, and the occupation of space is reduced.
The moving contact 7 comprises a base 71, a rotating rod 74 is hinged to the upper side of the base 71, an annular pull ring 73 is sleeved on the rotating rod 74, a first spring 72 is bound to the edge of the base 71, and the two first springs 72 are respectively located on two sides of the rotating rod 74; a screwing seat 75 is screwed on the upper part of the rotating rod 74 by screw threads, a disc-shaped guide seat 76 is clamped on the upper side of the screwing seat 75, a first guide hole penetrates through the guide seat 76 along the radial direction thereof, a first telescopic rod 78 penetrates through the first guide hole in a sliding manner, and a movable contact iron 710 is clamped on one end of the first telescopic rod 78 far away from the guide seat 76; a fixed seat 77 is fixed on the side wall of the rotating rod 74 by a bolt, and a second spring 79 is bound between the fixed seat 77 and the movable contact iron 710; a cylindrical first mounting tube 713 is screwed on the upper portion of the rotating rod 74 through threads, a telescopic tube 712 is clamped on the outer wall of the first mounting tube 713, and a rod-shaped second telescopic rod 711 is slidably arranged in the telescopic tube 712 in a penetrating manner.
The connecting piece 2 comprises a cylindrical fixed barrel 212, and a plurality of internal teeth 211 are clamped on the side wall of the inner cavity of the fixed barrel 212; an adjusting rod 21 is arranged in the fixed cylinder 212 in a penetrating manner and rotates along the axial direction of the fixed cylinder, and a plurality of external teeth 210 are clamped on the outer wall of the lower end of the adjusting rod 21; the outer teeth 210 and the inner teeth 211 are engaged with each other; an adjusting cylinder 22 is sleeved on the upper part of the adjusting rod 21 in a rotating manner, and a limiting frame 23 is clamped on the side wall of the adjusting cylinder 22; an electric conduction rod 24 is hinged on the adjusting cylinder 22, and the electric conduction rod 24 is arranged in the limiting frame 23 in a penetrating manner; a lifting cylinder 213 is screwed on the adjusting rod 21 by screw threads, and the lifting cylinder 213 is positioned between the adjusting cylinder 22 and the fixed cylinder 212; a supporting plate 28 is clamped at the lower side of the conducting rod 24, and a sliding adjusting rod 29 is clamped between the supporting plate 28 and the lifting cylinder 213; a conductive frame 27 is clamped at one end of the conductive rod 24, which is far away from the adjusting cylinder 22, an accommodating groove 26 is concavely arranged on the upper side and the lower side of the conductive frame 27, and a conductive contact plate 25 is hinged to the end of the accommodating groove 26. The conductive contact plate 25 comprises a bottom plate 253, and a contact plate 251 and a spring plate 252 are respectively hinged to two ends of the bottom plate 253; a first sliding groove is concavely formed at a lower side of the contact plate 251, and the spring plate 252 slides in the first sliding groove.
The static contact 6 comprises a top plate 61, a positioning seat 62 is fixed on the lower side of the top plate 61 through a bolt, a central rod 63 is hinged on the positioning seat 62, an operation plate 64 is fixed on the lower portion of the central rod 63 through a bolt, an electromagnet 65 is clamped on the side wall of the operation plate 64, a coil is sleeved on the electromagnet 65, and a contact head 66 is fixed on the operation plate 64 through a bolt, wherein the contact head 66 comprises a first support plate 662 with a longitudinal section being 'L', a cylindrical accommodating barrel 661 is clamped on the side wall of the first support plate 662, a second support plate 665 is hinged on the upper end of the first support plate 662, a contact block 664 is clamped on one side of the second support plate 665, a plurality of annular connecting rings 663 are clamped on the other side of the second support plate 665, and a third spring 666 is bound between the connecting rings 663 and the accommodating barrel 661.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.