CN219393273U - Safety relay - Google Patents

Abstract

The utility model discloses a safety relay which comprises a mounting seat, wherein a mounting plate is arranged on the mounting seat, a protective shell is arranged above the mounting seat, and a relay main body is arranged in the protective shell. According to the utility model, through the mutual cooperation of the devices, the protection shell is added on the outer side of the relay main body for dust prevention and drop prevention protection, the protection shell is convenient to detach and convenient for workers to overhaul, the supporting mechanism forms the supporting structure on the outer side of the plug sheet for anti-collision protection, the situation that the plug sheet is broken in the slot when the relay falls down due to self gravity extrusion or external force of the relay main body is avoided, the supporting mechanism can be adjusted according to the size of the actual plug sheet, the risk that the exposed part is easy to bend and leak due to overlong plug sheet is reduced, and the use safety of the device is improved.

Description

Safety relay

Technical Field

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

Background

A Relay, also called Relay, is an electronic control device having a control system (also called an input loop) and a controlled system (also called an output loop), commonly used in automatic control circuits, and is actually an "automatic switch" that uses a smaller current to control a larger current. Therefore, the circuit plays roles of automatic regulation, safety protection, circuit switching and the like.

For example, in an arc extinguishing relay disclosed in chinese patent CN216389198U, when a protection sleeve and a relay body are installed through a designed fastening component, the protection sleeve is lifted up, a protruding block is inserted into a fixing groove, a clamping block is extruded when the protruding block is inserted, the clamping block is extruded to drive a movable rod to move, a spring is compressed, the compressed spring is reset, and the movable rod is driven to move until the clamping block is clamped with the clamping groove, so that the protection sleeve and the relay body are firmly installed, and the protection sleeve falling caused by collision is reduced; the support seat and the relay body are assembled through the designed reinforcement, and the damaged support seat is convenient to disassemble and replace when the support seat is damaged.

But above-mentioned lag can't realize supporting the protect function to the spliced piece in the use, when the relay takes place to drop or extrude because of external force, the spliced piece receives pressure rupture very easily to when using the relay, need extract the lag, the spliced piece is direct to expose outside also has the risk of electric leakage.

Disclosure of Invention

The utility model provides a safety relay aiming at the problems in the related art so as to overcome the technical problems in the prior related art.

For this purpose, the utility model adopts the following specific technical scheme:

the utility model provides a safety relay, includes the mount pad, is equipped with the mounting panel on the mount pad, and the mount pad top is equipped with the protective housing, is equipped with the relay main part in the protective housing, contain several plug connector in the relay main part, the plug connector outside is equipped with supporting mechanism.

Preferably, in order to increase the protective housing to the relay main part and prevent dust, prevent falling the protection, and convenient to detach, convenient maintenance are equipped with the several slot on the mount pad, the mount pad below is equipped with fixing bolt, fixedly connected with mounting panel on the mount pad, the mounting panel bilateral symmetry is opened there is the several chucking groove, be equipped with the removal post on the chucking groove one end inner wall, be equipped with the arc on the other end inner wall that the removal post was kept away from to the chucking groove and pop out the piece, the mounting panel top is equipped with the protective housing, the protective housing bilateral symmetry is opened there is logical groove, the shape of logical groove is the same with the chucking groove, and open jaggedly in logical groove's left end, the protective housing inboard is located the mount pad and is equipped with the relay main part.

Preferably, in order to realize the basic switching on of relay in the circuit, the relay main part includes the brace table, the brace table top is from controlling to being equipped with electro-magnet and several trigger structure in proper order, the brace table below is connected with several plug-in pieces, trigger structure includes armature, armature one side links to each other with the electro-magnet, the opposite side that the electro-magnet was kept away from to the armature is connected with the several connection piece, be equipped with stationary contact on the connection piece of both sides, be equipped with the movable contact on the connection piece in the middle, the connection piece lower extreme runs through the brace table and extends and connect the plug-in piece, the plug-in piece includes several lug, several public end, several normally open pin and several normally closed pin, and the plug-in piece outside all is connected with supporting mechanism.

Preferably, in order to form supporting construction in the jack-in piece outside, protect the jack-in piece, avoid because the self gravity extrusion of relay main part or external force causes the relay to drop down, the condition of jack-in piece rupture in the slot, supporting mechanism includes the annular shell, be equipped with the elevating platform in the annular shell, elevating platform one side symmetry is equipped with the several lead screw, the lead screw lower extreme passes through the bearing and links to each other with the annular shell inner wall, the lead screw top is equipped with bevel gear one, bevel gear one top is equipped with the pivot, the pivot both ends pass through the bearing and link to each other with the annular shell inner wall, and pivot one end runs through the annular shell and extends to the annular shell outside and link to each other with the knob, be located bevel gear one side in the pivot and be equipped with bevel gear two, one side symmetry that the elevating platform kept away from the lead screw is equipped with the several gag lever, the lower extreme of gag lever post is equipped with the stopper through the stopper and links to each other with the annular shell inner wall, the elevating platform lower extreme is equipped with the several supporting shoe.

The beneficial effects of the utility model are as follows: through the mutual cooperation of the devices, the protection shell is added on the outer side of the relay main body for dust prevention and drop prevention protection, the protection shell is convenient to detach and convenient for workers to overhaul, the supporting mechanism forms a supporting structure on the outer side of the plug sheet, the plug sheet is subjected to anti-collision protection, and the situation that the plug sheet is broken in the slot when the relay is dropped due to self gravity extrusion or external force of the relay main body is avoided;

through setting up supporting mechanism, can adjust according to the size of actual inserted sheet, reduce because the inserted sheet overlength leads to exposing the part and take place the risk of buckling and electric leakage easily, improved the security that the device used.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic view of the overall structure of a safety relay according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a safety relay body according to an embodiment of the present utility model;

fig. 3 is a schematic structural view of a supporting mechanism in a safety relay according to an embodiment of the present utility model.

In the figure:

1. a mounting base; 2. a mounting plate; 3. a protective shell; 4. a relay body; 5. a slot; 6. a fixing bolt; 7. a clamping groove; 8. a moving column; 9. arc-shaped ejecting blocks; 10. a through groove; 11. a notch; 12. a support table; 13. an electromagnet; 14. a trigger structure; 15. a plug-in piece; 16. an armature; 17. a connecting sheet; 18. a stationary contact; 19. a movable contact; 20. a wire connection piece; 21. a public terminal; 22. a normally open pin; 23. normally closed pins; 24. a support mechanism; 25. an annular shell; 26. a lifting table; 27. a screw rod; 28. bevel gears I; 29. a rotating shaft; 30. a knob; 31. bevel gears II; 32. a limit rod; 33. a limiting block; 34. and a supporting block.

Detailed Description

For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.

Example 1

Referring to fig. 1-3, a safety relay comprises a mounting seat 1, wherein a mounting plate 2 is arranged on the mounting seat 1, a protective shell 3 is arranged above the mounting seat 1, a relay main body 4 is arranged in the protective shell 3, a plurality of plug pieces 15 are contained in the relay main body 4, and a supporting mechanism 24 is arranged outside the plug pieces 15.

Through the mutually supporting of above-mentioned mechanism, increased protective housing 3 in relay main part 4 outside and prevented the protection of falling to protective housing 3 convenient to detach, make things convenient for the workman to overhaul, supporting mechanism 24 forms supporting construction in the plug sheet 15 outside, prevents the impact protection to plug sheet 15, avoids because relay main part 4 self gravity extrusion or external force cause the relay to drop the time, the condition of plug sheet 15 rupture in slot 5.

Example two

Referring to fig. 1-3, a plurality of slots 5 are provided on a mounting base 1, the slots 5 are used for connecting with plug pins at the lower end of a relay main body 4, a fixing bolt 6 is provided below the mounting base 1, the mounting base 1 can be connected with a circuit board through the fixing bolt 6, and a mounting plate 2 is fixedly connected to the mounting base 1.

The mounting panel 2 comprises four curb plates, the mounting panel 2 bilateral symmetry is opened there is several chucking groove 7, chucking groove 7 has a semi-arc recess and a linear recess to constitute, be equipped with on the inner wall of chucking groove 7 one end and remove post 8, be equipped with arc on the inner wall of the other end that chucking groove 7 kept away from removal post 8 and pop out the piece 9, arc is popped out the piece 9 and is sunk into chucking groove 7 inner wall down, it is automatic to rebound after loosening arc and pop out the piece 9, can fix that removal post 8 is in the B point of chucking groove 7 unable removal under the condition that there is not external force interference, mounting panel 2 top is equipped with the one end that protective housing 3 removal post 8 is located chucking groove 7 slightly wider than removal post 8 outside, the inboard recess of chucking groove 7 is slightly wider than the outside equally, make removal post 8 can be blocked in chucking groove 7, can not drop, and the shape of removal post 8 is cylindrical, the diameter and the diameter does not influence chucking groove 7 ring diameter phase-match, removal post 8 can slide in chucking groove 7.

The protective housing 3 both sides symmetry is opened there is logical groove 10, the shape of logical groove 10 is the same with chucking groove 7, and open the leftmost end of logical groove 10 has breach 11, the protective housing 3 inboard is located and is equipped with relay main part 4 on mount pad 1, when covering protective housing 3 gomphosis in the mounting panel 2 outside, remove post 8 can pass through breach 11 embedding logical inslot 10, then remove post 8 from the point A to the point B along the shape of chucking groove 7, at this moment, the arc in the chucking groove 7 pops out piece 9 can fix and remove post 8 and be in the unable side-to-side movement of B of chucking groove 7, remove post 8 and chucking groove 7 cooperate, make protective housing 3 unable removal, and then realize the installation of protective housing 3.

Through setting up protective housing 3, prevent dust, prevent falling the protection to the relay to convenient to detach, convenient maintenance.

Example III

Referring to fig. 1-3, the relay main body 4 includes a support table 12, an electromagnet 13 and a plurality of trigger structures 14 are sequentially disposed above the support table 12 from left to right, a plurality of inserting pieces 15 are connected below the support table 12, the electromagnet 13 includes an iron core and a coil, and when the coil is energized, a magnetic attraction effect occurs between the iron core and the trigger structures 14.

The triggering structure 14 comprises an armature 16, one side of the armature 16 is connected with the electromagnet 13, the other side of the armature 16, which is far away from the electromagnet 13, is connected with a plurality of connecting pieces 17, the connecting pieces 17 on the two sides are provided with static contacts 18, the connecting pieces 17 in the middle are provided with movable contacts 19, and the lower ends of the connecting pieces 17 penetrate through the supporting table 12 to be connected with the connecting pieces 15 in an extending mode.

The plug 15 comprises a plurality of connection lugs 20, a plurality of public ends 21, a plurality of normally open pins 22 and a plurality of normally closed pins 23, and the outer sides of the plug 15 are connected with supporting mechanisms 24.

When the electromagnet 13 is not electrified, the movable contact 19 is in the middle position and is not mutually connected with the fixed contacts 18 on the two sides, after the electromagnet 13 is electrified, the armature 16 moves along with the middle connecting sheet 17 in the direction of approaching the electromagnet 13, and the movable contact 19 is in contact with the fixed contact 18 on one side; similarly, the armature 16 moves along with the middle connecting sheet 17 in a direction away from the electromagnet 13 by reverse current flow, so that the movable contact 19 contacts with the stationary contact 18 on the other side, and the normally open pin 22 and the normally closed pin 23 are opened and closed.

The device is matched with the circuit, so that the basic on-off function of the relay in the circuit is realized.

Example IV

Referring to fig. 1-3, the supporting mechanism 24 includes an annular shell 25, a lifting table 26 is disposed in the annular shell 25, a plurality of screw rods 27 are symmetrically disposed on one side of the lifting table 26, the lower ends of the screw rods 27 are connected with the inner wall of the annular shell 25 through bearings, a first bevel gear 28 is disposed above the screw rods 27, a rotating shaft 29 is disposed above the first bevel gear 28, two ends of the rotating shaft 29 are connected with the inner wall of the annular shell 25 through bearings, one end of the rotating shaft 29 penetrates through the annular shell 25 and extends to the outer side of the annular shell 25 to be connected with a knob 30, a second bevel gear 31 is disposed on one side of the rotating shaft 29, a plurality of limiting rods 32 are symmetrically disposed on one side, away from the screw rods 27, of the lifting table 26, lower ends of the limiting rods 32 are connected with the inner wall of the annular shell 25 through bearings, limiting blocks 33 are disposed on upper ends of the limiting rods 32, the limiting rods 32 are connected with the inner wall of the annular shell 25 through limiting blocks 33, and a plurality of supporting blocks 34 are disposed on the lower ends of the lifting table 26.

The first bevel gear 28 is matched with the second bevel gear 31, the first bevel gear 28 is fixedly connected with the rotating shaft 29, and the second bevel gear 31 is fixedly connected with the screw rod 27.

The lifting table 26 is sleeved on the screw rod 27, threads matched with the screw rod 27 are arranged in grooves where the lifting table 26 is connected with the screw rod 27, and the screw rod 27 can move up and down with the lifting table 26 when rotating.

When the plug-in sheet 15 needs to be fixed in the slot 5, the rotary shaft 29 can be rotated clockwise through the knob 30, the rotary shaft 29 drives the first bevel gear 28 to rotate, the first bevel gear 28 is meshed with the second bevel gear 31, the second bevel gear 31 rotates synchronously with the screw rod 27, the lifting table 26 is driven to move downwards through the meshing effect of the screw rod 27 and the lifting table 26 support, the plurality of supporting blocks 34 at the lower end of the lifting table 26 extend downwards, the supporting blocks 34 extend out for a proper length, then the knob 30 is stopped rotating, at the moment, the supporting blocks 34 can form a supporting frame at the outer side of the plug-in sheet 15, the plug-in sheet 15 is protected, and the situation that the plug-in sheet 15 is broken in the slot 5 due to falling of the relay when the relay is moved is avoided.

Through the cooperation of the above device, form supporting construction in the plug-in strip 15 outside, protect plug-in strip 15, avoid because self gravity extrusion of relay main part 4 or external force cause the relay to drop down, the condition of plug-in strip 15 rupture in slot 5.

In summary, by means of the above technical scheme of the utility model, firstly, after connecting the internal parts of the relay, embedding and covering the protective shell 3 on the outer side of the mounting plate 2, embedding the moving column 8 into the through groove 10 through the notch 11, then moving the moving column 8 from the point A to the point B along the shape of the clamping groove 7, at this time, the arc-shaped ejecting block 9 in the clamping groove 7 can fix the moving column 8 to be positioned at the point B of the clamping groove 7 and can not move left and right, and the moving column 8 is matched with the clamping groove 7, so that the protective shell 3 can not move, and the mounting of the protective shell 3 is realized; then, after the jack sheet 15 is aligned to the slot 5 and clamped, the rotating shaft 29 is rotated clockwise through the knob 30, the rotating shaft 29 carries the bevel gear I28 to rotate, the bevel gear I28 is meshed with the bevel gear II 31, the bevel gear II 31 is synchronously rotated with the screw rod 27, and then the support structure can be formed on the outer side of the jack sheet 15 through the meshing effect of the screw rod 27 and the support of the lifting table 26, the lifting table 26 is moved downwards, the plurality of support blocks 34 at the lower end of the lifting table 26 extend downwards until the support blocks 34 completely shield the portion of the jack sheet 15 exposed out of the slot 5, at this time, the rotating knob 30 is stopped, the support blocks 34 form a support frame on the outer side of the jack sheet 15, the jack sheet 15 is protected, the condition that the jack sheet 15 is broken in the slot 5 by external force is prevented from being impacted, the condition that the jack sheet 15 is broken in the slot 5 is prevented from being broken by external force is increased on the outer side of the relay body 4 through the mutual cooperation of the devices, the protective shell 3 is convenient to detach and the worker overhauls conveniently, the support mechanism 24 forms a supporting structure on the outer side of the jack sheet 15, the jack sheet 15 is prevented from being crashing and the jack sheet 15 is prevented from being broken when the jack sheet 15 is broken down due to self gravity extrusion or external force of the jack sheet 4 is caused, the fact that the jack sheet 15 is broken, the jack sheet 15 is easy to be exposed out of the size of the jack sheet 15 is easy to be adjusted, and the jack sheet 15 is easy to be broken, and the size of the jack sheet 15 is easy to be adjusted, and the jack is easy to be broken, and the jack 15 is easy to be broken.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (4)

1. The safety relay is characterized by comprising a mounting seat (1), wherein a mounting plate (2) is arranged on the mounting seat (1), a protective shell (3) is arranged above the mounting seat (1), a relay main body (4) is arranged in the protective shell (3), a plurality of inserting pieces (15) are contained in the relay main body (4), and a supporting mechanism (24) is arranged outside the inserting pieces (15); a plurality of slots (5) are formed in the mounting seat (1), fixing bolts (6) are arranged below the mounting seat (1), and the mounting plate (2) is fixedly connected to the mounting seat (1); a plurality of clamping grooves (7) are symmetrically formed in two sides of the mounting plate (2), a moving column (8) is arranged on the inner wall of one end of each clamping groove (7), an arc-shaped ejecting block (9) is arranged on the inner wall of the other end of each clamping groove (7) far away from the corresponding moving column (8), and a protective shell (3) is arranged above the mounting plate (2); the two sides of the protective shell (3) are symmetrically provided with through grooves (10), the shape of each through groove (10) is the same as that of each clamping groove (7), the leftmost end of each through groove (10) is provided with a notch (11), and the inner side of the protective shell (3) is positioned on the mounting seat (1) and is provided with the relay main body (4); the supporting mechanism (24) comprises an annular shell (25), a lifting table (26) is arranged in the annular shell (25), a plurality of screw rods (27) are symmetrically arranged on one side of the lifting table (26), the lower ends of the screw rods (27) are connected with the inner wall of the annular shell (25) through bearings, a first bevel gear (28) is arranged above the screw rods (27), a rotating shaft (29) is arranged above the first bevel gear (28), two ends of the rotating shaft (29) are connected with the inner wall of the annular shell (25) through bearings, one end of the rotating shaft (29) penetrates through the annular shell (25) and extends to the outer side of the annular shell (25) to be connected with a knob (30), a second bevel gear (31) is arranged on one side of the rotating shaft (29), one side of the lifting table (26) away from the screw rods (27) is symmetrically provided with a plurality of limiting rods (32), the lower ends of the limiting rods (32) are connected with the inner wall of the annular shell (25) through bearings, the upper ends of the limiting rods (32) are provided with limiting blocks (33), and the limiting blocks (33) are connected with the lower ends of the annular shell (25).

2. A safety relay according to claim 1, characterized in that the relay body (4) comprises a support table (12), an electromagnet (13) and a plurality of triggering structures (14) are sequentially arranged above the support table (12) from left to right, and a plurality of inserting pieces (15) are connected below the support table (12).

3. A safety relay according to claim 2, characterized in that the triggering structure (14) comprises an armature (16), one side of the armature (16) is connected with the electromagnet (13), the other side of the armature (16) away from the electromagnet (13) is connected with a plurality of connecting pieces (17), static contacts (18) are arranged on the connecting pieces (17) on two sides, movable contacts (19) are arranged on the middle connecting piece (17), and the lower end of the connecting piece (17) penetrates through the supporting table (12) to be connected with the inserting pieces (15) in an extending mode.

4. A safety relay according to claim 3, characterized in that the plug-in tab (15) comprises several plug-in tabs (20), several common terminals (21), several normally open pins (22) and several normally closed pins (23).