Guide rail type relay

Abstract

The utility model relates to a relay, in particular to a guide rail type relay, which solves the problem of structural design of the guide rail type relay. Comprising a shell, a coil assembly, a movable contact piece and a static contact piece, a shell seat is embedded in the center of the shell, the coil assembly is fixedly assembled in the shell seat, the coil assembly and the guide rail are linked through magnetic attraction, the guide rail does linear reciprocating motion, and the static contact piece is fixedly assembled in the shell seat. One end of the first electric conduction piece and the movable contact piece are embedded in the shell base, one end of the static contact piece is in contact conduction with the movable contact piece, the guide rail is in abutting linkage with the movable contact piece on a moving path and is separated from the static contact piece, and the two ends of the shell in the length direction are each provided with two jacks. By adopting the assembly mode of local integration and mutual combination, the structure connection tightness is improved, the stability and reliability of electrical connection use are ensured, the design and use requirements are met, the service life of the product is prolonged, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of relays, in particular to a kind of guide rail type relay. BACKGROUND

[0002] Relay is a kind of electric control device, is when the change of input quantity (excitation quantity) reaches specified requirement, in electrical output circuit makes the controlled quantity occur predetermined step change one kind of electric appliance. It has the interactive relationship between control system (also called input loop) and controlled system (also called output loop). It is usually applied to the control circuit of automation, it is actually used to control the big current operation with small current one kind of "automatic switch". Therefore, it plays the role of automatic regulation, safety protection, conversion circuit in circuit.‌Guide rail relay‌It is a kind of relay installed on guide rail, usually used in various protection and automatic control device, to increase the number of contacts and contact capacity of protection and control circuit. Traditional product has deficiency in structural design, parts installation is not enough close, use is not enough stable and reliable, assembly and disassembly are relatively cumbersome. SUMMARY

[0003] In view of the existing technical deficiency, the utility model provides a kind of guide rail type relay.

[0004] In order to realize the above-mentioned purpose, the technical scheme adopted by the utility model is: a kind of guide rail type relay, including shell, coil assembly, moving contact and static contact, the shell central inlay is equipped with shell seat, the coil assembly is fixedly assembled in shell seat, still include guide rail, electric guide piece one and electric guide piece two, the coil assembly is linked with guide rail by magnetic attraction, the guide rail makes linear reciprocating movement, electric guide piece one end is inlaid with moving contact in shell seat, the static contact one end and moving contact are contacted and conducted, the guide rail is in contact with moving contact and is separated from static contact in moving path, the both ends of the shell in length direction are equipped with two sockets respectively, the both ends of electric guide piece two are inserted into opposite socket respectively, the shell seat has fixed contact surface towards one end of shell, electric guide piece two is pasted with fixed contact surface by bending, electric guide piece one end is inserted into one side socket of shell, and static contact one end is inserted into opposite side socket of electric guide piece one.

[0005] The fixed contact surface is equipped with recess, and the electric guide piece two is equipped with the protrusion inlaid recess.

[0006] The fixed contact surface is further equipped with the flange that limits the deviation of electric guide piece two, and the flange is arranged on the both sides of electric guide piece two.

[0007] The electric guide piece one has flat insertion part, surface part and half arch part arranged in sequence.

[0008] The flat insertion part, the veneer part and the half-arch part are perpendicular to each other, the two ends of the half-arch part are parallel, and the central part of the half-arch part and the two ends form an angle greater than 90 degrees.

[0009] The half-arch part is provided with an opening for the guide rail to pass through near the veneer part.

[0010] The movable contact piece and the fixed contact piece are provided with protruding electrical contact positions in opposite positions.

[0011] The coil assembly comprises a coil cylinder, an armature and a magnetic attraction piece, the armature is in a concave shape, two armatures are provided, and the armatures are respectively connected to the axial ends of the coil cylinder, the magnetic attraction piece is arranged between the two armatures, the magnetic attraction piece is movably assembled with the shell seat to rotate, and the magnetic attraction piece is movably assembled with the guide rail.

[0012] The guide rail is provided with a cutting groove, the magnetic attraction piece is provided with a linkage block arranged in the cutting groove, and the guide rail and the magnetic attraction piece are abutted with the groove wall of the cutting groove through the linkage block to be linked.

[0013] The movable contact piece is provided with an arc-shaped reinforced part near the embedded position.

[0014] The utility model discloses a guide rail type relay which adopts a local integration and mutual combination assembly mode, improves structural connection tightness, guarantees stable and reliable electrical connection use, meets design use demand, improves product use life and production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the shell structure schematic drawing of the utility model;

[0016] Figure 2 It is the local structure top view schematic drawing of the utility model;

[0017] Figure 3 It is the shell seat assembly structure schematic drawing of the utility model;

[0018] Figure 4 It is the local structure bottom view schematic drawing of the utility model. DETAILED DESCRIPTION

[0019] As Figures 1-4As shown, a kind of guide rail 6 formula relay, including shell 1, coil assembly 2, movable contact 3 and static contact 4, the shell 1 central embedding is equipped with shell seat 5, the coil assembly 2 is fixedly assembled in shell seat 5, the design of shell seat 5 makes partial integration, it is advantageous to quick assembly, guarantee installation stability, also can reduce design difficulty to some extent, make each part closely linked, with ingenuity.It also includes guide rail 6, electric guide piece one 7 and electric guide piece two 8, the coil assembly 2 is linked with guide rail 6 by magnetic attraction, it needs to be pointed out that, here magnetic attraction is not directly magnetic attraction, but indirectly use this principle.The guide rail 6 makes linear reciprocating movement, electric guide piece one 7 one end and movable contact 3 are embedded in shell seat 5, the static contact 4 one end and movable contact 3 between contact conduction, the guide rail 6 is in contact with movable contact 3 and separates static contact 4 in moving path.In this embodiment, guide rail 6 can be limited by the width of slot 20 slot, so that it can reciprocate along linear path.In this embodiment, each embedded embedding is also provided, for corresponding electric guide piece one 7, electric guide piece two 8, static contact 4 etc. installation limit, not too much elaboration and limit here.

[0020] The shell 1 is provided with two insertion ports 9 at both ends in the length direction, the electric guide piece two 8 is inserted into the opposite insertion port 9 at both ends respectively, the shell seat 5 has a fixed contact surface 10 at one end towards the shell 1, the electric guide piece two 8 is attached to the fixed contact surface 10 by bending, one end of the electric guide piece one 7 is inserted into the insertion port 9 on one side of the shell 1, and one end of the static contact 4 is inserted into the insertion port 9 on the opposite side of the electric guide piece one 7. The insertion port 9 mainly assists in fixing the electric guide piece one 7, the electric guide piece two 8 and the static contact 4, and can also facilitate subsequent connection. It should be noted that the electric guide piece two 8 passes from below the shell seat 5 after bending, which helps to improve the installation stability and increase the distance to avoid creeping.

[0021] The fixed contact surface 10 is provided with a recess, and the electric guide piece two 8 is provided with a protrusion embedded in the recess. The recess and the protrusion are matched, which effectively reduces the deviation or vibration of the electric guide piece two 8. The fixed contact surface 10 is also provided with a convex edge 11 limiting the deviation of the electric guide piece two 8, and the convex edges 11 are arranged on both sides of the electric guide piece two 8. In this embodiment, the convex edges 11 further improve the installation stability of the electric guide piece two 8, which will not be elaborated and limited here.

[0022] The electric conductive sheet one 7 has a flat insertion part 12, a surface part 13 and a semi-arch part 14 arranged in sequence. The flat insertion part 12, the surface part 13 and the semi-arch part 14 are perpendicular to each other, the two ends of the semi-arch part 14 are parallel, and the central part of the semi-arch part 14 forms an angle greater than 90 degrees with the two ends. The electric conductive sheet one 7 is arranged to adapt to the structure layout and fully utilize the space without affecting the assembly of the guide rail 6 and other components. The design of the semi-arch part 14 can provide a relative space to keep the moving contact piece 3 apart except for the fixed end. The semi-arch part 14 is provided with an opening 15 near the surface part 13 for the guide rail 6 to pass through. The design of the opening 15 does not affect the movement of the guide rail 6. Generally, the height or thickness of the guide rail 6 at this position is reduced to meet the production and use requirements. The moving contact piece 3 and the static contact piece 4 are provided with protruding electric contact positions 16 at the relative positions to enhance the wear resistance and impact resistance and improve the service life.

[0023] The coil assembly 2 comprises a coil cylinder 17, an armature 18 and a magnetic attraction piece 19. The armature 18 is in the shape of a concave character. Two armatures 18 are arranged at the axial ends of the coil cylinder 17, respectively. The magnetic attraction piece 19 is arranged between the two armatures 18. The magnetic attraction piece 19 is movably assembled with the shell seat 5 to rotate. The magnetic attraction piece 19 is movably assembled with the guide rail 6. The magnetic field generated by the energized coil greatly enhances the reliable and stable magnetic attraction capacity of the two armatures 18. The magnetic attraction piece 19 controls the left and right sides to facilitate efficient driving and subsequent interlocking actions. The guide rail 6 is provided with a cut groove 20. The magnetic attraction piece 19 is provided with a linkage block 21 arranged in the cut groove 20. The guide rail 6 and the magnetic attraction piece 19 are abutted to the groove wall of the cut groove 20 through the linkage block 21 to link. It is explained that the magnetic attraction piece 19 is inserted and abutted to drive through the linkage block 21. The structure is simple and reliable, and the design purpose is easily achieved. The moving contact piece 3 is provided with an arc-shaped reinforced part 22 near the fitting position to enhance the elastic recovery force.

[0024] In the description of the present application, it should be explained that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application. At the same time, the basic principles, main features and advantages of the present application have been shown and described, and those skilled in the art should understand.

Claims

1. A guide rail type relay comprising a housing, a coil assembly, a movable contact and a stationary contact, characterized by, The shell is centrally embedded with a shell seat, the coil assembly is fixedly assembled in the shell seat, further comprising a guide rail, an electric guide piece one and an electric guide piece two, the coil assembly and the guide rail are linked through magnetic attraction, the guide rail moves linearly and reciprocally, one end of the electric guide piece one is embedded with a movable contact piece in the shell seat, one end of a stationary contact piece is in contact with the movable contact piece, the guide rail is in abutment with the movable contact piece on the moving path and is separated from the stationary contact piece, the shell is provided with two sockets at each end in the length direction, two ends of the electric guide piece two are respectively inserted into the opposite sockets, the shell seat has a fixed contact surface at one end towards the shell, the electric guide piece two is attached to the fixed contact surface through bending, one end of the electric guide piece one is inserted into a socket on one side of the shell, and one end of the stationary contact piece is inserted into a socket on the opposite side of the electric guide piece one.

2. A guide rail type relay according to claim 1, wherein The fixed contact surface is provided with a recess, and the electric guide piece two is provided with a protrusion embedded in the recess.

3. A guide rail type relay according to claim 1 or 2, wherein The fixed contact surface is further provided with a raised edge limiting the deviation of the electric guide piece two, and the raised edge is arranged on both sides of the electric guide piece two.

4. A guide rail type relay according to claim 3, wherein The electric guide piece one has a flat insertion part, a contact surface part and a semi-arch part arranged in sequence.

5. A guide rail type relay according to claim 4, wherein The flat insertion part, the contact surface part and the semi-arch part are perpendicular to each other, the two ends of the semi-arch part are parallel, and the central part of the semi-arch part and the two ends form an angle greater than 90 degrees.

6. A guide rail type relay according to claim 4, wherein The semi-arch part is provided with an opening near the contact surface part for the guide rail to pass through.

7. A guide rail type relay according to claim 1, wherein The movable contact piece and the stationary contact piece are provided with protruding electric contact positions in opposite positions.

8. A guide rail type relay according to claim 1, wherein The coil assembly comprises a coil cylinder, an armature and a magnetic attraction piece, the armature is in the shape of a concave character, two armatures are arranged at the axial ends of the coil cylinder respectively, the magnetic attraction piece is arranged between the two armatures, the magnetic attraction piece is movably assembled with the shell seat for rotation, and the magnetic attraction piece is linked with the guide rail.

9. A guide rail type relay according to claim 8, wherein The guide rail is provided with a cutting groove, the magnetic attraction piece is provided with a linkage block inserted into the cutting groove, and the guide rail and the magnetic attraction piece are linked through the linkage block abutting the groove wall.

10. A guide rail type relay according to claim 1, wherein The movable contact piece is provided with an arc-shaped raised reinforcing part near the embedded position.

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