CN220439503U - Relay shell - Google Patents

Abstract

The utility model discloses a relay shell, which comprises a lower shell and an upper shell, wherein the lower end of the upper shell stretches into the lower shell, an inner stay is fixedly arranged on the inner wall of the lower shell, two buckling mechanisms are arranged on the upper shell, and the two buckling mechanisms are respectively arranged on two opposite sides of the upper shell; the utility model provides a relay shell, which is convenient and quick to fasten an upper shell and a lower shell, can ensure connection and fixation after fastening the upper shell and the lower shell, and is convenient to detach after fastening the upper shell and the lower shell when opening the upper shell.

Description

Relay shell

Technical Field

The utility model relates to the technical field of electric relays, in particular to a relay shell.

Background

The relay is an electric control device, when the change of input quantity (exciting quantity) reaches the specified requirement, the controlled quantity is made to produce a preset step change in the electric output circuit, and it has the interactive relationship between control system (also called input circuit) and controlled system (also called output circuit), and is usually applied in automatic control circuit, it is an "automatic switch" which uses small current to control large current action, so that it can play the roles of automatic regulation, safety protection and conversion circuit in the circuit.

The Chinese patent document with the publication number of CN218042098U discloses an electric instrument shell with an anti-impact protection function, which comprises an instrument shell, wherein a sliding component is arranged on the front side of the instrument shell, a glass component is arranged in the sliding component, the instrument shell and the bottom side of the sliding component are connected with a sliding block, and an elastic component is arranged on the rear side of the instrument shell. According to the utility model, four corners of an instrument shell can be protected through the protection pad, the nano energy-absorbing balls in the protection pad absorb a large amount of energy to play a role in buffering after receiving impact force, the elastic component can play a role in buffering after receiving external force, the nano metal oxide coating layer of the glass component has the characteristics of high visible light transmittance, low infrared light transmittance and low ultraviolet light transmittance of glass, the internal condition of the instrument shell can be observed, the toughened glass material has the characteristics of wind pressure resistance, summer heat resistance, impact resistance, transparency, heat resistance, cold resistance, high mechanical strength and the like, and the relay shells in the patent literature are connected and fixed through a plurality of screws, so that the connection and the disassembly are more labor-consuming, and the rapid assembly and the disassembly are inconvenient.

Disclosure of Invention

The utility model provides a relay shell, which comprises a lower shell and an upper shell, wherein the lower end of the upper shell stretches into the lower shell, an inner stay is fixedly arranged on the inner wall of the lower shell, two buckling mechanisms are arranged on the upper shell, and the two buckling mechanisms are respectively arranged on two opposite sides of the upper shell; the utility model provides a relay shell, which is convenient and quick to fasten an upper shell and a lower shell, can ensure connection and fixation after fastening the upper shell and the lower shell, and is convenient to detach after fastening the upper shell and the lower shell when opening the upper shell.

The utility model solves the technical problems, and adopts the technical proposal that:

the relay shell comprises a lower shell and an upper shell, wherein the lower end of the upper shell stretches into the lower shell, an inner stay is fixedly arranged on the inner wall of the lower shell, two buckling mechanisms are arranged on the upper shell, and the two buckling mechanisms are respectively arranged on two opposite sides of the upper shell;

the clamping mechanism comprises an inner groove and a clamping shell, the inner groove is formed in the inner wall of the upper shell, the clamping shell is fixedly arranged at the bottom of the upper shell, the clamping shell is of a square frame structure with an opening at the upper and lower parts, a sliding rod is fixedly connected in the clamping shell, two long plates and two springs are sleeved on the sliding rod, the two springs are respectively arranged at two ends of the sliding rod, the two long plates are positioned between the two springs, the long plates are in sliding connection with the sliding rod, clamping plates are respectively fixedly connected to the outer sides of the two long plates, pulleys are respectively connected to the inner sides of the upper ends of the two long plates in a rotating manner through rotating shafts, oblique sliding blocks are arranged in the inner groove, and the oblique sliding blocks are in contact with the pulleys; and the inner stay is provided with a limit groove, the clamping plates are positioned below the clamping shell, and the two clamping plates can extend into the limit groove and are buckled with the limit groove.

Further, the upper end of the long plate upwards penetrates out of the opening above the clamping shell and is positioned above the clamping shell, the lower end of the long plate downwards penetrates out of the opening below the clamping shell and is positioned below the clamping shell, through holes penetrating left and right are formed in the long plate, one end of the spring is in butt joint with the long plate, and the other end of the spring is in butt joint with the side wall of the inner cavity of the clamping shell.

Further, the clamping shell is fixedly arranged on the lower edge of the inner groove, the inclined sliding blocks and the pulleys are arranged in the inner groove, the upper end of the long plate is arranged in the inner groove, and when the upper shell is inserted into the lower shell downwards, the inclined sliding blocks move downwards, so that inclined planes arranged on two sides of the lower end of the inclined sliding blocks are contacted with the two pulleys and push the two pulleys to move towards two sides.

Preferably, the side wall of the upper shell is provided with a through groove, the inner wall of the upper shell is provided with a boss, the through groove is vertically formed on the boss of the inner wall of the upper shell, the plate wall of the upper shell at the outer side of the through groove is provided with a push block groove, the push block groove is arranged at the outer side of the through groove and communicated with the through groove, and the through groove penetrates through the inner wall of the upper shell and the boss inwards; the pushing block groove outwards penetrates through the outer wall of the upper shell, the groove width of the pushing block groove is larger than that of the through groove, and the cross sections of the pushing block groove and the through groove form a T-shaped structure.

More preferably, the outside at oblique slider is connected with the gleitbretter, the gleitbretter is established along oblique slider is vertical to stand, and the gleitbretter is worn to establish at logical inslot and can slide from top to bottom at logical inslot to lead to the gleitbretter, still is connected with the ejector pad outside the gleitbretter, and the gleitbretter adopts detachable connected mode with the ejector pad, the appearance and the ejector pad looks adaptation in ejector pad groove, the ejector pad is established in the ejector pad groove, ejector pad and ejector pad inslot sliding connection, the ejector pad can slide from top to bottom at the ejector pad inslot.

Further, a clamping groove communicated with the pushing block groove is transversely formed in one side of the pushing block groove, a clamping block is inserted into the pushing block, a sliding groove is formed in the pushing block, the clamping block can slide left and right in the sliding groove of the pushing block, a stop portion is arranged on the right side of the sliding groove of the pushing block, and after the pushing block slides downwards in place in the pushing block groove, the clamping block can slide left into the clamping groove.

Further, wiring holes are respectively formed in the other two opposite sides of the upper shell, where the buckling mechanism is not arranged, and wiring terminals are arranged in the wiring holes; a label is embedded at the top of the upper shell.

After the technical scheme is adopted, the utility model has the following beneficial effects:

through the ejector pad moves down and drives the gleitbretter and move down, the gleitbretter drives oblique slider and moves down, and oblique slider moves down and promotes two pulleys and remove to both sides, and the pulley drives the longboard and removes, and spring compression simultaneously, and the longboard drives the cardboard and removes, makes cardboard and spacing groove looks lock, promotes the fixture block, makes the fixture block get into the draw-in groove to make the ejector pad unable upward movement, accomplish down the casing and go up the fixing between the casing, its lock convenient operation to last casing and lower casing is swift, can guarantee to go up the connection fixed after the casing lock down, when the casing is opened to needs, the dismantlement after the casing lock about convenient again.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present utility model, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic view of the overall structure provided by the present utility model;

FIG. 2 is an exploded view of the part of FIG. 1 provided by the present utility model;

FIG. 3 is a cross-sectional view of the overall structure of FIG. 1 provided by the present utility model;

FIG. 4 is a cross-sectional view of the upper shell and inner struts of FIG. 2 provided by the present utility model;

FIG. 5 is an enlarged view of the structure of portion A in FIG. 1 according to the present utility model;

FIG. 6 is an enlarged view of the structure of portion B in FIG. 2 according to the present utility model;

FIG. 7 is an enlarged view of the structure of portion C in FIG. 3 according to the present utility model;

fig. 8 is an enlarged view of the structure of the portion D in fig. 4 provided by the present utility model.

In the figure: 1. a lower housing; 2. an upper housing; 3. a label; 4. a connection terminal; 5. an inner stay; 6. a pushing block; 7. a clamping block; 8. a pushing block groove; 9. a through groove; 10. a clamping groove; 11. a clamping shell; 12. a slide bar; 13. an inclined slide block; 14. a sliding sheet; 15. a long plate; 16. a pulley; 17. an inner tank; 18. a spring; 19. a limit groove; 20. and (5) clamping plates.

Detailed Description

Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-8, the relay housing provided by the utility model comprises a lower housing 1 and an upper housing 2, wherein the lower end of the upper housing 2 extends into the lower housing 1, an inner stay 5 is fixedly arranged on the inner wall of the lower housing 1, two buckling mechanisms are arranged at the bottom of the upper housing 2 and are respectively arranged at two opposite sides of the upper housing 2, as shown in fig. 1, the two buckling mechanisms are arranged at the front side and the rear side of the upper housing 2, wiring holes are formed in the other two opposite sides of the upper housing 2, and wiring terminals 4 are arranged in the wiring holes and are used for connecting wires of relay products.

As shown in fig. 6 and 8, the fastening mechanism includes an inner groove 17 and a clamping shell 11, the inner groove 17 is disposed on the inner wall of the upper housing 2, the clamping shell 11 is fixedly disposed at the bottom of the upper housing 2, and the clamping shell 11 is in a square frame structure with an upper opening and a lower opening, and is fixedly disposed at the lower edge of the inner groove 17. The inside of the clamping shell 11 is fixedly connected with a sliding rod 12, two long plates 15 are sleeved outside the sliding rod 12, the two long plates 15 penetrate through the upper opening and the lower opening of the clamping shell 11, and the upper ends of the long plates 15 penetrate upwards out of the opening above the clamping shell 11 and are positioned above the clamping shell 11; the lower end of the long plate 15 downwards passes through the opening below the clamping shell 11 and is positioned below the clamping shell 11, and a through hole penetrating left and right is formed in the long plate 15 so as to pass through the long plate 15 on the sliding rod 12; the sliding rod 12 is further sleeved with two springs 18, the two springs 18 are respectively arranged at two ends of the sliding rod 12, two long plates 15 are positioned between the two springs 18, two clamping plates 20 are fixedly connected to the outer sides of the long plates 15, pulleys 16 are rotatably connected to the inner sides of the upper ends of the long plates 15 through rotating shafts, inclined sliding blocks 13 are arranged in inner grooves 17, the inclined sliding blocks 13 are contacted with the two pulleys 16, limiting grooves 19 are formed in inner stays 5 as shown in fig. 2, the clamping plates 20 are positioned below the clamping shells 11, the two clamping plates 20 can extend into the limiting grooves 19 and are buckled with the limiting grooves 19, the long plates 15 are in sliding connection with the sliding rod 12, one ends of the springs 18 are in butt joint with the long plates 15, and the other ends of the springs 18 are in butt joint with inner cavity side walls of the clamping shells 11.

In this embodiment, the inclined slide block 13 and the pulley 16 are both disposed in the inner groove 17, the upper end of the long plate 15 is disposed in the inner groove 17, when the upper housing 2 is inserted into the lower housing 1 downward, the inclined slide block 13 moves downward, so that the inclined surfaces disposed on both sides of the lower end of the inclined slide block 13 contact with the two pulleys 16 and push the two pulleys 16 to move to both sides, and since the pulleys 16 are rotationally connected with the long plate 15 through the rotating shaft, the moving pulleys 16 can drive the two long plates 15 to move in a direction away from each other, specifically as shown in fig. 6, the long plate 15 slides on the slide bar 12, so that the spring 18 on one side of the long plate 15 is compressed, the long plate 15 drives the clamping plate 20 to move, and the clamping plate 20 can be buckled with the limiting groove 19 disposed on the inner stay 5.

In order to achieve the limiting purpose, the device is achieved by adopting the following technical scheme: the inner side wall of the upper shell 2 is provided with a through groove 9, specifically, the inner wall of the upper shell 2 is provided with a boss, the through groove 9 is vertically arranged on the boss of the inner wall of the upper shell 2, the plate wall of the upper shell 2 at the outer side of the through groove 9 is provided with a push block groove 8, the through groove 9 is communicated with the push block groove 8, and the through groove 9 penetrates through the inner wall of the upper shell 2 and the boss inwards; the pushing block groove 8 penetrates through the outer wall of the upper shell 2 outwards, the groove width of the pushing block groove 8 is larger than that of the through groove 9, and the cross sections of the pushing block groove 8 and the through groove 9 form a T-shaped structure, as shown in fig. 5.

The outer side of the inclined sliding block 13 is connected with a sliding vane 14, as shown in fig. 6, the sliding vane 14 is vertically arranged along the inclined sliding block 13 and is matched with the through groove 9, the sliding vane 14 is arranged in the through groove 9 in a penetrating way and can slide up and down in the through groove 9, and the pushing block groove 8 is arranged at the outer side of the through groove 9 and is communicated with the through groove 9. The outer side of the sliding vane 14 is also connected with a push block 6, specifically, the sliding vane 14 and the push block 6 adopt a detachable connection mode, such as an interference insertion or clamping connection mode, so as to facilitate the installation of the sliding vane 14 into the through groove 9.

The appearance in ejector pad groove 8 and ejector pad 6 looks adaptation, ejector pad 6 is established in ejector pad groove 8, ejector pad 6 and ejector pad groove 8 sliding connection, ejector pad 6 can slide from top to bottom in ejector pad groove 8. A clamping groove 10 communicated with the pushing block groove 8 is transversely formed on one side of the pushing block groove 8, as shown in fig. 5. Further, as shown in fig. 6, a clamping block 7 is inserted on the pushing block 6, a sliding groove is formed on the pushing block 6, the clamping block 7 can slide left and right in the sliding groove of the pushing block 6, in order to prevent the clamping block 7 from sliding off the pushing block 6, the clamping block 7 and the pushing block 6 adopt a dovetail sliding connection structure, meanwhile, a stop part is arranged on the right side of the sliding groove of the pushing block 6, and when the pushing block 6 slides down in place in the pushing block groove 8, the clamping block 7 can slide left into the clamping groove 10.

The pushing block 6 slides downwards, the pushing block 6 moves downwards in the pushing block groove 8 and drives the sliding sheet 14 to move downwards, the sliding sheet 14 drives the inclined sliding sheet 13 to move downwards, after the pushing block 6 slides downwards in place, the clamping block 7 is pushed to one side, and the clamping block 7 can enter the clamping groove 10, so that the pushing block 6 is limited, and the fixation between the lower shell 1 and the upper shell 2 is completed, so that the fixing is convenient and quick.

In order to achieve the purpose of conveniently checking information, the device is realized by adopting the following technical scheme: the tag 3 is embedded at the top of the upper shell 2, and the tag 3 is convenient for checking information such as specification and model of the relay, wire connection indication and the like.

The application process of the utility model is as follows: when the relay is used, the relay body is arranged in the lower shell 1, the upper shell 2 is inserted into the lower shell 1, the lower shell 1 and the upper shell 2 are combined to form the shell of the relay, the clamping shell 11 at the bottom of the upper shell 2 enters the limiting groove 19, the push block 6 is pushed downwards at the moment, the push block 6 moves downwards and drives the sliding vane 14 to move downwards, the sliding vane 14 drives the inclined sliding block 13 to move downwards, the inclined sliding block 13 and the pulley 16 are arranged in the inner groove 17, the upper end of the long plate 15 is arranged in the inner groove 17, along with the downward movement of the inclined sliding block 13, the inclined surfaces arranged at the two sides of the inclined sliding block 13 are contacted with the two pulleys 16 and push the two pulleys 16 to move to the two sides, and as the pulley 16 is connected with the long plate 15 in a rotating way through a rotating shaft, the moving pulley 16 drives the long plate 15 to move to the two sides, the long plate 15 slides on the sliding rod 12, the spring 18 at one side of the long plate 15 is compressed, the long plate 15 drives the clamping plate 20 to move, the clamping plate 20 is buckled with the limiting groove 19, the clamping block 7 is pushed into the clamping groove 10, and the clamping block 6 is limited, and the lower shell 1 and the upper shell 2 are fixed quickly and conveniently.

The above description is of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims (7)

1. Relay shell, includes lower casing (1) and last casing (2), its characterized in that: the lower end of the upper shell (2) stretches into the lower shell (1), an inner stay (5) is fixedly arranged on the inner wall of the lower shell (1), two buckling mechanisms are arranged on the upper shell (2), and the two buckling mechanisms are respectively arranged on two opposite sides of the upper shell (2);

the clamping mechanism comprises an inner groove (17) and a clamping shell (11), wherein the inner groove (17) is formed in the inner wall of the upper shell (2), the clamping shell (11) is fixedly arranged at the bottom of the upper shell (2), the clamping shell (11) is of a square frame structure with an upper opening and a lower opening, a sliding rod (12) is fixedly connected in the clamping shell (11), two long plates (15) and two springs (18) are sleeved on the sliding rod (12), the two springs (18) are respectively arranged at two ends of the sliding rod (12), the two long plates (15) are positioned between the two springs (18), the long plates (15) are in sliding connection with the sliding rod (12), clamping plates (20) are fixedly connected to the outer sides of the two long plates (15) respectively, pulleys (16) are rotatably connected to the opposite inner sides of the upper ends of the two long plates (15), inclined sliding blocks (13) are arranged in the inner groove (17), and the inclined sliding blocks (13) are in contact with the pulleys (16); a limiting groove (19) is formed in the inner stay (5), the clamping plates (20) are located below the clamping shell (11), and the two clamping plates (20) can extend into the limiting groove (19) and are buckled with the limiting groove (19).

2. A relay housing according to claim 1, wherein: the upper end of the long plate (15) upwards penetrates through the opening above the clamping shell (11) and is located above the clamping shell (11), the lower end of the long plate (15) downwards penetrates through the opening below the clamping shell (11) and is located below the clamping shell (11), through holes penetrating left and right are formed in the long plate (15), one end of the spring (18) is in butt joint with the long plate (15), and the other end of the spring (18) is in butt joint with the inner cavity side wall of the clamping shell (11).

3. A relay housing according to claim 2, wherein: the clamping shell (11) is fixedly arranged on the lower edge of the inner groove (17), the inclined sliding blocks (13) and the pulleys (16) are arranged in the inner groove (17), the upper end of the long plate (15) is arranged in the inner groove (17), when the upper shell (2) is inserted into the lower shell (1) downwards, the inclined sliding blocks (13) move downwards, and inclined planes arranged on two sides of the lower end of the inclined sliding blocks (13) are contacted with the two pulleys (16) and push the two pulleys (16) to move towards two sides.

4. A relay housing according to claim 1, wherein: a through groove (9) is formed in the side wall of the upper shell (2), a boss is arranged on the inner wall of the upper shell (2), the through groove (9) is vertically formed in the boss on the inner wall of the upper shell (2), a push block groove (8) is formed in the plate wall of the upper shell (2) on the outer side of the through groove (9), the push block groove (8) is arranged on the outer side of the through groove (9) and communicated with the through groove (9), and the through groove (9) penetrates through the inner wall of the upper shell (2) and the boss inwards; the pushing block groove (8) outwards penetrates through the outer wall of the upper shell (2), the groove width of the pushing block groove (8) is larger than that of the through groove (9), and the cross sections of the pushing block groove (8) and the through groove (9) form a T-shaped structure.

5. A relay housing according to claim 4, wherein: the sliding piece (14) is connected to the outer side of the inclined sliding piece (13), the sliding piece (14) is vertically arranged along the inclined sliding piece (13), the sliding piece (14) is matched with the through groove (9), the sliding piece (14) is arranged in the through groove (9) in a penetrating mode and can slide up and down in the through groove (9), the sliding piece (14) is further connected with the pushing block (6) on the outer side of the sliding piece (14), the sliding piece (14) is connected with the pushing block (6) in a detachable mode, the shape of the pushing block groove (8) is matched with the pushing block (6), the pushing block (6) is arranged in the pushing block groove (8), the pushing block (6) is in sliding connection with the pushing block groove (8), and the pushing block (6) can slide up and down in the pushing block groove (8).

6. A relay housing according to claim 5, wherein: a clamping groove (10) communicated with the pushing block groove (8) is transversely formed in one side of the pushing block groove (8), a clamping block (7) is inserted into the pushing block (6), a sliding groove is formed in the pushing block (6), the clamping block (7) can slide left and right in the sliding groove of the pushing block (6), a stop part is arranged on the right side of the sliding groove of the pushing block (6), and after the pushing block (6) slides downwards in place in the pushing block groove (8), the clamping block (7) can slide left into the clamping groove (10).

7. A relay housing according to claim 1, wherein: the other two opposite sides of the upper shell (2) without the buckle mechanism are respectively provided with a wiring hole, and wiring terminals (4) are arranged in the wiring holes; a label (3) is embedded at the top of the upper shell (2).