Shell mounting structure of relay

Abstract

The invention provides a shell installation structure of a relay, and relates to the technical field of relay installation, the shell installation structure comprises an intermediate relay shell, two relay side shells and an intermediate relay locking assembly, the intermediate relay shell and the two relay side shells are integrally arranged, the two relay side shells are arranged on the two sides of the intermediate relay shell respectively, and the intermediate relay locking assembly is arranged on the intermediate relay shell. The intermediate relay locking assembly is arranged in the unlocking limiting groove; according to the invention, the intermediate relay locking assembly is aligned with a universal electric appliance installation clamping rail and then is pushed to be clamped, so that installation is formed, the disassembled trigger structure is moved from the rear side to the front side, the relay can be disassembled conveniently, the stroke of clamping trigger can be adjusted, and the reliability of the relay is improved. Therefore, the phenomenon that the clamping structure is not tightly clamped due to frequent disassembly can be solved, shaking cannot be generated, the installation stability is improved, and the situation that a disassembly tool excessively stretches inwards to cause wire lapping can be avoided by staggering the relay power connection column groove connected with the electric wire and the relay power connection column groove.

Description

Technical Field

[0001] The invention relates to the technical field of relay installation, and in particular to a housing installation structure of a relay. Background Art

[0002] The intermediate relay is composed of a fixed iron core, a moving iron core, a spring, a moving contact, a static contact, a coil, a terminal and a shell, and is used to transmit intermediate signals in the control circuit. It is used to connect high-voltage electrical appliances with low-voltage electrical appliances. However, when the intermediate relay is installed on the universal clamp rail for electrical appliance installation, the locking buckle often breaks due to violent installation, causing the intermediate relay to shake. The shaking will cause the connected high-voltage electrical appliance to have an unstable connection, which is very dangerous. In addition, the position of the disassembly buckle is not convenient, and the disassembly tool is easy to fall on the connection harness, which is also very dangerous. Summary of the invention

[0003] In view of the deficiencies of the prior art, the present invention provides a housing installation structure for a relay, which solves the problems raised in the background art.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a housing installation structure of a relay, comprising an intermediate relay housing, a relay side housing and an intermediate relay locking assembly, wherein the intermediate relay housing and two relay side housings are integrated, the two relay side housings are respectively arranged on both sides of the intermediate relay housing, the front end surfaces of the two relay side housings are both provided with unlocking limit grooves, and the intermediate relay locking assembly is arranged in the unlocking limit grooves; Each of the unlocking limit grooves is integrally provided with a locking piece limit platform, and the sides of the two relay side shells are provided with locking adjustment grooves.

[0005] Preferably, relay side shells are fixedly installed on both sides of the intermediate relay housing, and rail locking claw grooves are provided at the rear ends of the two relay side shells. An electrical rail groove is provided at the rear end of the intermediate relay housing and between the two relay side shells.

[0006] Preferably, a relay coil top shell is fixedly installed in the middle of the front end surface of the intermediate relay shell, and shell fixing screw grooves are provided on the front end surface of the intermediate relay shell and at the four corners of the relay coil top shell, and a shell fixing screw is provided in each of the shell fixing screw grooves; A plurality of relay connection post slots are provided on the front end surface of the intermediate relay housing and on the upper and lower sides of the relay coil top housing, and a relay terminal is provided in each of the relay connection post slots.

[0007] Preferably, the intermediate relay locking assembly includes: a side housing spring limit plate, a spline shaft sleeve, a spring extrusion plate, a lock plate reset spring, a locking adjustment stud, a driven adjustment gear column, a lock plate limiter, a rail locking claw, a synchronous spline shaft, a spline shaft sleeve tooth, a gear column adjustment groove, and a gear column limit ring; A side shell spring limiting plate is integrally arranged on the inner wall of the relay side shell, a lock plate reset spring is arranged at the lower end of the side shell spring limiting plate, a spring extrusion plate is arranged at the lower end of the lock plate reset spring, a spline shaft sleeve is integrally arranged in the middle of the spring extrusion plate, spline shaft sleeve teeth are arranged on the inner wall of the spline shaft sleeve, and a synchronous spline shaft is arranged between the spline shaft sleeve teeth; The upper end of the synchronous spline shaft is integrally provided with a locking adjustment stud, a driven adjustment gear column is rotatably sleeved on the locking adjustment stud, a gear column adjustment groove is provided in the driven adjustment gear column, a gear column limiting ring is integrally provided on the inner wall of the gear column adjustment groove, and a locking plate limiting piece is rotatably provided in the gear column limiting ring.

[0008] Preferably, an adjusting gear shaft is rotatably arranged in the locking adjusting groove, an adjusting gear is arranged on the adjusting gear shaft, and the adjusting gear is meshed with a driven adjusting gear column; A driving center tooth column is integrally arranged at the lower end of the spline shaft sleeve, and a rail triggering top column is integrally arranged at the lower end of the synchronous spline shaft.

[0009] Preferably, both sides of the driving center gear column are meshed with rail locking claw gears, and the two rail locking claw gears are integrated with rail locking claws, and both ends of the two rail locking claws are integrated with locking claw side shafts, and the outer end of each locking claw side shaft is provided with a locking claw floating part.

[0010] Preferably, the locking piece limiting member comprises: a limiting member housing, a locking piece torsion spring housing, a limiting ring groove, a locking piece connecting seat, a locking piece base, and a limiting locking piece; A limiting ring groove is provided at the lower end of the side surface of the limiting member shell, a locking plate torsion spring shell is integrated at the upper end of the limiting member shell, a locking plate connecting seat is rotatably arranged in the middle of the locking plate torsion spring shell, a locking plate base is integrated at the upper end of the locking plate connecting seat, and a limiting locking plate is integrated at the upper end of the locking plate base.

[0011] Preferably, a connecting seat torsion spring connecting cover is integrated at the lower end of the locking plate base, a connecting cover limiting column is integrated at the lower end of the connecting seat torsion spring connecting cover, a locking plate torsion spring is arranged at the lower end of the connecting seat torsion spring connecting cover, and the other end of the locking plate torsion spring is connected to the limiting component housing.

[0012] Preferably, the locking claw floating member comprises: a floating member torsion spring housing, a housing connecting shaft, a side shaft connecting seat, a torsion spring housing central shaft, and a locking claw torsion spring; A shell connecting shaft is integrally arranged on the side of the floating part torsion spring shell, a torsion spring shell center shaft is integrally and coaxially arranged on the inner end of the shell connecting shaft, a side shaft connecting seat is outer-circuited on the torsion spring shell center shaft, a locking claw torsion spring is arranged in the side shaft connecting seat.

[0013] Preferably, a torsion spring extension piece is integrally provided at the other end of the locking claw torsion spring, an extension piece connecting groove is provided on the rear side of the torsion spring housing of the floating part, and the torsion spring extension piece is fixedly arranged in the extension piece connecting groove.

[0014] The present invention provides a housing installation structure for a relay, which has the following beneficial effects: The present invention aligns the intermediate relay locking assembly with the universal electrical appliance installation rail and pushes it in to form the installation. The disassembly trigger structure is moved from the rear side to the front side, so that the relay can be easily disassembled, and the stroke of the clamping trigger can be adjusted, so that the problem of the clamping structure not being tightly clamped due to frequent disassembly can be solved, and no shaking will occur, thereby improving the stability of the installation. The relay connecting column slot connected with the wire is staggered therefrom, so that the disassembly tool can be prevented from being overly extended to cause the wire to be crossed. When the top column of the card rail is triggered to contact the raised planes at both ends of the card rail, it slides backward together with the synchronous spline shaft and the spline shaft sleeve, so that the spring extrusion plate on the side can squeeze the lock piece reset spring to contract, so that it can move upward together with the lock piece base at the upper end, so that it can rise above the unlocking limit groove, and be limited by the lock piece limit table through the rotation of the lock piece torsion spring, so that the drive center tooth column at the lower end can mesh with the card rail locking claw gears on both sides to rotate, and the card rail can be locked by the card rail locking claw; The driven adjustment gear column can be rotated by rotating the adjustment gear meshing, and the internal locking adjustment stud can be used to adjust the extension length of the lower end rail triggering top column, so that the clamping force of the rail locking claw can be adjusted, which is convenient for adjustment; The locking claw torsion springs at both ends of the locking claw of the rail can adapt to the adjusted clamping force, so that the clamping can be tighter; Among them, by rotating the upper limiting lock plate to turn the lower lock plate base back into the unlocking limiting groove, the lock plate reset spring can be used to push it back to the original position, making unlocking very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a structural schematic diagram of the first viewing angle in the present invention; Figure 3It is a structural schematic diagram of the second viewing angle in the present invention; Figure 4 It is a structural schematic diagram of the intermediate relay locking assembly in the present invention; Figure 5 It is a side structural schematic diagram of the intermediate relay locking assembly in the present invention; Figure 6 For the present invention Figure 5 Schematic diagram of the cross-sectional structure along line aa; Figure 7 It is a structural schematic diagram of the locking piece limiting member in the present invention; Figure 8 It is a schematic side view of the structure of the locking piece limiting member in the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of the cross-sectional structure of the middle bb line; Fig.10 It is a structural schematic diagram of the locking claw floating member in the present invention; Fig.11 It is a schematic side view of the structure of the locking claw floating member in the present invention; Fig.12 For the present invention Fig.11 Schematic diagram of the cross-sectional structure of the CC line.

[0016] Among them, 1. intermediate relay housing; 2. relay side housing; 3. intermediate relay locking assembly; 301. side housing spring limit plate; 302. spline shaft sleeve; 303. drive center gear column; 304. spring extrusion plate; 305. lock plate reset spring; 306. locking adjustment stud; 307. driven adjustment gear column; 308. lock plate limiter; 3081. limiter housing; 3082. lock plate torsion spring housing; 3083. limit ring groove; 3084. lock plate connecting seat; 3085. lock plate base; 3086. limit lock plate; 3087. connecting seat torsion spring connecting cover; 3088. connecting cover limiter column; 3089. lock plate torsion spring; 309. adjusting gear shaft; 310. adjusting gear; 311. rail locking claw gear; 312. rail locking Claw; 313, locking claw floating part; 3131, floating part torsion spring housing; 3132, housing connecting shaft; 3133, side shaft connecting seat; 3134, torsion spring housing center axis; 3135, locking claw torsion spring; 3136, torsion spring extension piece; 3137, extension piece connecting groove; 314, locking claw side shaft; 315, synchronous spline shaft; 316, spline shaft sleeve teeth; 317, rail trigger top column; 318, gear column adjustment groove; 319, gear column limit ring; 4, locking adjustment groove; 5, relay connection column groove; 6, housing fixing screw groove; 7, housing fixing screw; 8, relay coil top shell; 9, relay side shell; 10, electrical rail groove; 11, rail locking claw groove; 12, unlocking limit groove; 13, locking piece limit platform; 14, relay terminal. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] like Figures 1 to 3As shown, an embodiment of the present invention provides a housing installation structure of a relay, including an intermediate relay housing 1, a relay side housing 2 and an intermediate relay locking assembly 3, wherein the intermediate relay housing 1 and the two relay side housings 2 are integrally arranged, and the two relay side housings 2 are respectively arranged on both sides of the intermediate relay housing 1, and the front end surfaces of the two relay side housings 2 are provided with unlocking limit grooves 12, and the intermediate relay locking assembly 3 is arranged in the unlocking limit grooves 12; each of the unlocking limit grooves 12 is integrally provided with a locking piece limit platform 13, and the sides of the two relay side housings 2 are provided with locking adjustment grooves 4, and the relay side housings 1 are fixedly installed on both sides of the intermediate relay housing 1. 9. The rear ends of the two relay side shells 2 are provided with a rail locking claw groove 11, and the rear end of the intermediate relay housing 1 and between the two relay side shells 2 are provided with an electrical rail groove 10, a relay coil top shell 8 is fixedly installed in the middle of the front end surface of the intermediate relay housing 1, and the front end surface of the intermediate relay housing 1 and the four corners of the relay coil top shell 8 are provided with housing fixing screw grooves 6, and each of the housing fixing screw grooves 6 is provided with a housing fixing screw 7; the front end surface of the intermediate relay housing 1 and the upper and lower sides of the relay coil top shell 8 are provided with a plurality of relay power post grooves 5, and each of the relay power post grooves 5 is provided with a relay terminal 14.

[0019] like Figure 1 , Figures 4 to 6As shown, the intermediate relay locking assembly 3 includes: a side shell spring limit plate 301, a spline shaft sleeve 302, a spring extrusion plate 304, a lock plate reset spring 305, a locking adjustment stud 306, a driven adjustment gear column 307, a lock plate limiter 308, a rail locking claw 312, a synchronous spline shaft 315, a spline shaft sleeve tooth 316, a gear column adjustment groove 318, and a gear column limit ring 319; the side shell spring limit plate 301 is integrated on the inner wall of the relay side shell 2, and the side shell spring A locking plate return spring 305 is provided at the lower end of the limit plate 301, and a spring extrusion plate 304 is provided at the lower end of the locking plate return spring 305. A spline shaft sleeve 302 is integrated in the middle of the spring extrusion plate 304. A spline shaft sleeve tooth 316 is provided on the inner wall of the spline shaft sleeve 302, and a synchronous spline shaft 315 is provided between the spline shaft sleeve teeth 316; a locking adjustment stud 306 is integrated at the upper end of the synchronous spline shaft 315, and a rotating sleeve on the locking adjustment stud 306 is provided with a screw thread from the locking stud 306. The driven adjusting gear column 307 has a gear column adjusting groove 318, and a gear column limiting ring 319 is integrally provided on the inner wall of the gear column adjusting groove 318. A locking piece limiting member 308 is rotatably provided in the gear column limiting ring 319, and an adjusting gear shaft 309 is rotatably provided in the locking adjusting groove 4. An adjusting gear 310 is provided on the adjusting gear shaft 309, and the adjusting gear 310 is meshed with the driven adjusting gear column 307; the spline shaft A driving center gear column 303 is integrated at the lower end of the sleeve 302, and a rail triggering top column 317 is integrated at the lower end of the synchronous spline shaft 315. Rail locking claw gears 311 are meshed on both sides of the driving center gear column 303. Rail locking claws 312 are integrated on the two rail locking claw gears 311. Locking claw side shafts 314 are integrated at both ends of the two rail locking claws 312, and a locking claw floating part 313 is provided at the outer end of each locking claw side shaft 314.

[0020] In the above technical solution, after the intermediate relay locking assembly 3 is aligned with the universal electrical installation rail, it is pushed in to form the installation. By moving the disassembled trigger structure from the rear side to the front side, the disassembly of the relay can be facilitated, and the stroke of the clamping trigger can be adjusted, so as to solve the problem of the clamping structure not being clamped tightly due to frequent disassembly, and no shaking will occur, thereby improving the stability of the installation. By staggering the relay connecting column slot 5 connected to the wire, it is possible to avoid the situation where the disassembly tool is too extended inward to cause the wire to be crossed. like Figure 4 , Figures 7 to 9As shown, the locking piece limiting member 308 includes: a limiting member housing 3081, a locking piece torsion spring housing 3082, a limiting ring groove 3083, a locking piece connecting seat 3084, a locking piece base 3085, and a limiting locking piece 3086; the limiting ring groove 3083 is provided at the lower end of the side of the limiting member housing 3081, and the locking piece torsion spring housing 3082 is integrated at the upper end of the limiting member housing 3081. The locking piece torsion spring housing 3082 is rotatably provided with a locking piece connecting seat 3084 in the middle, and the locking piece connecting seat 3084 is rotatably provided in the middle of the locking piece torsion spring housing 3082. A locking piece base 3085 is integrated at the upper end of 084, a limiting locking piece 3086 is integrated at the upper end of the locking piece base 3085, a connecting seat torsion spring connecting cover 3087 is integrated at the lower end of the locking piece base 3085, a connecting cover limiting column 3088 is integrated at the lower end of the connecting seat torsion spring connecting cover 3087, a locking piece torsion spring 3089 is provided at the lower end of the connecting seat torsion spring connecting cover 3087, and the other end of the locking piece torsion spring 3089 is connected to the limiting piece housing 3081.

[0021] like Figure 4 , Figures 10 to 12 As shown, the locking claw floating part 313 includes: a floating part torsion spring shell 3131, a shell connecting shaft 3132, a side shaft connecting seat 3133, a torsion spring shell center axis 3134, and a locking claw torsion spring 3135; the floating part torsion spring shell 3131 is integrally provided with a shell connecting shaft 3132 on the side, the inner end of the shell connecting shaft 3132 is integrally and coaxially provided with a torsion spring shell center axis 3134, the outer sleeve of the torsion spring shell center axis 3134 is provided with a side shaft connecting seat 3133, the side shaft connecting seat 3133 is provided with a locking claw torsion spring 3135, the other end of the locking claw torsion spring 3135 is integrally provided with a torsion spring extension piece 3136, the rear side of the floating part torsion spring shell 3131 is provided with an extension piece connecting groove 3137, and the torsion spring extension piece 3136 is fixedly set in the extension piece connecting groove 3137.

[0022] In the above technical solution, after the top column 317 is triggered by the rail to contact the raised planes at both ends of the rail, it slides backward together with the synchronous spline shaft 315 and the spline shaft sleeve 302, so that the spring extrusion plate 304 on the side can squeeze the lock piece reset spring 305 to contract, so that it can move upward together with the lock piece base 3085 at the upper end, so that it can rise above the unlocking limit groove 12, and be limited by the lock piece torsion spring 3089 to rotate by the lock piece limit table 13, so that the driving center tooth column 303 at the lower end can mesh with the rail locking claw gears 311 on both sides to rotate, and the rail can be locked by the rail locking claw 312; The rotating adjustment gear 310 can be engaged with the rotating driven adjustment gear column 307 to rotate, and the internal locking adjustment screw 306 can cooperate to adjust the extension length of the lower end rail triggering top column 317, so as to adjust the clamping force of the rail locking claw 312, which is convenient for adjustment; Furthermore, the locking claw torsion springs 3135 at both ends of the locking claw 312 of the rail can adapt to the adjusted clamping force, so that the clamping can be tighter.

[0023] Working principle: The present invention aligns the intermediate relay locking assembly 3 with the universal electrical appliance installation rail and pushes it in to form an installation. The disassembly trigger structure is moved from the rear side to the front side, which facilitates the disassembly of the relay and adjusts the stroke of the clamping trigger, thereby solving the problem of the clamping structure not being clamped tightly due to frequent disassembly, and thus preventing shaking. The stability of the installation is improved, and the relay connecting column slot 5 connected with the wire is staggered therefrom, so as to avoid the situation where the disassembly tool is too extended inward to cause the wire to be crossed. When the top post 317 is triggered by the rail, it contacts the raised planes at both ends of the rail and slides backward together with the synchronous spline shaft 315 and the spline shaft sleeve 302, so that the spring extrusion plate 304 on the side can squeeze the lock piece reset spring 305 to contract, so that it can move upward together with the lock piece base 3085 at the upper end, so that it can rise above the unlocking limit groove 12, and be limited by the lock piece torsion spring 3089 to rotate and be limited by the lock piece limit table 13, so that the driving center tooth column 303 at the lower end can mesh with the rail locking claw gears 311 on both sides to rotate, and the rail can be locked by the rail locking claw 312; The rotating adjustment gear 310 can be engaged with the rotating driven adjustment gear column 307 to rotate, and the internal locking adjustment screw 306 can cooperate to adjust the extension length of the lower end rail triggering top column 317, so as to adjust the clamping force of the rail locking claw 312, which is convenient for adjustment; The locking claw torsion springs 3135 at both ends of the locking claw 312 of the rail can adapt to the adjusted clamping force, so that the clamping can be tighter; Among them, by rotating the upper limiting lock plate 3086 to rotate the lower locking plate base 3085 back into the unlocking limiting groove 12, the lock plate reset spring 305 can be used to push the lock plate to reset, and unlocking is very convenient.

[0024] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation methods here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims

1. A relay housing installation structure, comprising an intermediate relay housing (1), a relay side housing (2) and an intermediate relay locking assembly (3), characterized in that: The intermediate relay housing (1) and the two relay side housings (2) are integrally arranged, the two relay side housings (2) are respectively arranged on both sides of the intermediate relay housing (1), the front end surfaces of the two relay side housings (2) are each provided with an unlocking limit groove (12), and the intermediate relay locking assembly (3) is arranged in the unlocking limit groove (12); Each of the unlocking limit grooves (12) is integrally provided with a locking piece limit platform (13), and the sides of the two relay side shells (2) are provided with locking adjustment grooves (4).

2. A housing installation structure for a relay according to claim 1, characterized in that: Relay side shells (9) are fixedly mounted on both sides of the intermediate relay housing (1), and rail locking claw grooves (11) are provided at the rear ends of the two relay side shells (2). An electrical rail groove (10) is provided at the rear end of the intermediate relay housing (1) and between the two relay side shells (2).

3. A housing installation structure for a relay according to claim 2, characterized in that: A relay coil top shell (8) is fixedly mounted in the middle of the front end surface of the intermediate relay housing (1); housing fixing screw grooves (6) are provided on the front end surface of the intermediate relay housing (1) and at the four corners of the relay coil top shell (8); and a housing fixing screw (7) is provided in each of the housing fixing screw grooves (6); A plurality of relay connection post slots (5) are provided on the front end surface of the intermediate relay housing (1) and on both upper and lower sides of the relay coil top housing (8), and a relay terminal (14) is provided in each of the relay connection post slots (5).

4. A housing installation structure for a relay according to claim 3, characterized in that: The intermediate relay locking assembly (3) comprises: a side housing spring limiting plate (301), a spline shaft sleeve (302), a spring extrusion plate (304), a locking plate return spring (305), a locking adjustment stud (306), a driven adjustment gear column (307), a locking plate limiting member (308), a rail locking claw (312), a synchronous spline shaft (315), a spline shaft sleeve tooth (316), a gear column adjustment groove (318), and a gear column limiting ring (319); A side housing spring limiting plate (301) is integrally provided on the inner wall of the relay side housing (2); a locking plate reset spring (305) is provided at the lower end of the side housing spring limiting plate (301); a spring extrusion plate (304) is provided at the lower end of the locking plate reset spring (305); a spline shaft sleeve (302) is integrally provided in the middle of the spring extrusion plate (304); spline shaft sleeve teeth (316) are provided on the inner wall of the spline shaft sleeve (302); and a synchronous spline shaft (315) is provided between the spline shaft sleeve teeth (316); A locking adjustment screw (306) is integrally provided at the upper end of the synchronous spline shaft (315), a driven adjustment gear column (307) is rotatably sleeved on the locking adjustment screw (306), a gear column adjustment groove (318) is provided in the driven adjustment gear column (307), a gear column limiting ring (319) is integrally provided on the inner wall of the gear column adjusting groove (318), and a locking piece limiting member (308) is rotatably provided in the gear column limiting ring (319).

5. A housing installation structure for a relay according to claim 4, characterized in that: An adjusting gear shaft (309) is rotatably disposed in the locking adjusting groove (4), an adjusting gear (310) is disposed on the adjusting gear shaft (309), and the adjusting gear (310) is meshed with the driven adjusting gear column (307); The lower end of the spline shaft sleeve (302) is integrally provided with a driving center tooth column (303), and the lower end of the synchronous spline shaft (315) is integrally provided with a rail triggering top column (317).

6. A housing installation structure for a relay according to claim 5, characterized in that: Both sides of the driving center tooth column (303) are meshed with rail locking claw gears (311), and the two rail locking claw gears (311) are integrally provided with rail locking claws (312), and both ends of the two rail locking claws (312) are integrally provided with locking claw side shafts (314), and the outer end of each locking claw side shaft (314) is provided with a locking claw floating member (313).

7. A housing installation structure for a relay according to claim 6, characterized in that: The locking piece limiting member (308) comprises: a limiting member housing (3081), a locking piece torsion spring housing (3082), a limiting ring groove (3083), a locking piece connecting seat (3084), a locking piece base (3085), and a limiting locking piece (3086); A limiting ring groove (3083) is provided at the lower end of the side surface of the limiting member housing (3081); a locking plate torsion spring housing (3082) is integrally provided at the upper end of the limiting member housing (3081); a locking plate connecting seat (3084) is rotatably provided in the middle of the locking plate torsion spring housing (3082); a locking plate base (3085) is integrally provided at the upper end of the locking plate connecting seat (3084); and a limiting locking plate (3086) is integrally provided at the upper end of the locking plate base (3085).

8. The housing installation structure of a relay according to claim 7, characterized in that: A connecting seat torsion spring connecting cover (3087) is integrally provided at the lower end of the locking plate base (3085), a connecting cover limiting column (3088) is integrally provided at the lower end of the connecting seat torsion spring connecting cover (3087), a locking plate torsion spring (3089) is provided at the lower end of the connecting seat torsion spring connecting cover (3087), and the other end of the locking plate torsion spring (3089) is connected to the limiting member housing (3081).

9. A housing installation structure for a relay according to claim 8, characterized in that: The locking claw floating part (313) comprises: a floating part torsion spring housing (3131), a housing connecting shaft (3132), a side shaft connecting seat (3133), a torsion spring housing central shaft (3134), and a locking claw torsion spring (3135); A shell connecting shaft (3132) is integrally provided on the side of the floating member torsion spring shell (3131), a torsion spring shell central shaft (3134) is integrally and coaxially provided on the inner end of the shell connecting shaft (3132), a side shaft connecting seat (3133) is provided on the outer sleeve of the torsion spring shell central shaft (3134), and a locking claw torsion spring (3135) is provided in the side shaft connecting seat (3133).

10. The housing installation structure of a relay according to claim 9, characterized in that: The other end of the locking claw torsion spring (3135) is integrally provided with a torsion spring extension piece (3136), and the rear side of the floating member torsion spring housing (3131) is provided with an extension piece connecting groove (3137), and the torsion spring extension piece (3136) is fixedly arranged in the extension piece connecting groove (3137).

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