CN213877907U

CN213877907U - Electrical control safety switch

Info

Publication number: CN213877907U
Application number: CN202120127623.0U
Authority: CN
Inventors: 赵芳; 杨丽
Priority date: 2021-01-18
Filing date: 2021-01-18
Publication date: 2021-08-03
Anticipated expiration: 2031-01-18

Abstract

The utility model discloses an electrical control safety switch, which relates to the technical field of electrical switches and comprises a shell, wherein the upper end and the lower end of one side in the shell are respectively provided with a first wire holder and a second wire holder, the shell wraps the whole body and prevents the internal wire holder from being exposed outside, thereby avoiding the contact with people and the occurrence of accidents, and the protection performance is higher; the connecting block is connected with the wire holder in a plug-in manner, so that the connection is more stable, and the phenomenon of poor contact is avoided; the shell, the screw rod and the knob are made of insulating materials, so that the condition of electric shock cannot occur when the switch is controlled, and the safety of people is protected; the limiting block and the limiting groove are matched to limit the knob, so that the safety accident that the knob is accidentally touched and connected or disconnected to cause danger is avoided. The utility model discloses simple structure is reliable, is connected stably between connection terminal and the connecting block, and the security is higher, is suitable for the popularization.

Description

Electrical control safety switch

Technical Field

The utility model relates to an electrical switch technical field, concretely relates to electrical control safety switch.

Background

Nowadays electrical equipment uses more and more extensively, reaches enterprise's mill greatly, and little to every family, electrical equipment have brought very big facility for people's life, have also improved the development efficiency of industry, and electrical equipment uses and can't leave electric power, just needs switch connection to come control circuit for electrical equipment switch-on circuit, therefore electrical control switch becomes essential accessory when electrical equipment uses.

Present control switch is knife switch mostly, realizes opening and shutting of circuit through promoting the knife switch, and when the push-and-pull, through the contact of each other between the knife switch copper sheet electrically conductive, relies on the elastic force between the copper sheet to keep the laminating, but when pushing away the knife switch, only rely on the not stable enough of elastic force laminating between the copper sheet, the contact failure easily appears and leads to equipment to break down, has the potential safety hazard when using.

Disclosure of Invention

The utility model provides an above-mentioned problem, provide an electrical control safety switch, it is not tight to solve current electrical control switch closure, and contact failure easily appears, has the problem of potential safety hazard when using.

The technical scheme of the utility model is that: an electrical control safety switch comprises a shell, a first wire holder, a second wire holder, a connecting block, a lead screw and a knob; the wire connector comprises a shell, and is characterized in that a first cavity is formed in the shell, a first wire holder and a second wire holder are respectively arranged at the upper end and the lower end of one side in the first cavity, the first wire holder and the second wire holder are communicated with one side of the shell, a lead screw is transversely arranged between the first wire holder and the second wire holder, one end of the lead screw is rotatably connected with the inner wall of one side of the shell, the other end of the lead screw penetrates through the side wall of the shell, a connecting block is sleeved on the lead screw, a screw hole matched with the lead screw is formed in the connecting block, the connecting block is in threaded connection with the lead screw through the screw hole, the connecting block is in sliding connection with the inner wall of the shell, and two ends of the connecting block are respectively detachably connected with the first wire holder and the second wire holder; the outer knob that is equipped with of lead screw one end, the knob sets up on shell one side outer wall, lead screw one end runs through the shell lateral wall and is connected with the knob.

Further, the shell, the lead screw and the knob are made of insulating materials, and the first wire holder, the second wire holder and the connecting block are made of conducting materials.

Further, first connection terminal and second connection terminal one side all are equipped with the recess, the connecting block both ends all are equipped with recess matched with arch, two the setting that the connection all can be dismantled to the arch is in the recess.

Further, the lead screw is connected with the knob through a connecting shaft, a second cavity is arranged in the knob, a sliding hole matched with the connecting shaft is formed in the side wall of the second cavity, the connecting shaft is connected with the knob in a sliding mode through the sliding hole, a matched sliding plate is arranged in the second cavity, the sliding plate is arranged in the second cavity in a sliding mode, one end of the connecting shaft is fixedly connected with the lead screw, the other end of the connecting shaft is fixedly connected with the sliding plate, a spring is arranged on one side of the sliding plate, one end of the spring is fixedly connected with the inner wall of the knob cavity, the other end of the spring is fixedly connected with the sliding plate, a limiting block is arranged at one end of the knob, two limiting grooves matched with the limiting block are formed in the side wall of the shell, the two limiting grooves are vertically distributed, and the limiting block can be detachably connected and is arranged in the limiting grooves.

Further, the cross section of the connecting shaft is of a rectangular structure.

The utility model has the advantages that:

the shell of the utility model wraps the whole body, and prevents the internal wire holder from being exposed outside, thereby avoiding contact with people and accidents, and having higher protection performance; the connecting block and the wire holder are connected in a plug-in manner, so that the connection is more stable, and the phenomenon of poor contact is avoided; the screw rod and the connecting block have self-locking performance, so that the position of the connecting block is ensured to be kept still after being determined, and accidents are avoided; the shell, the screw rod and the knob are made of insulating materials, so that the condition of electric shock cannot occur when the switch is controlled, and the safety of people is protected; the limiting block and the limiting groove are matched to limit the knob, and the switch is prevented from being accidentally connected or disconnected after the knob is accidentally touched, so that danger is avoided. The utility model discloses simple structure is reliable, is connected stably between connection terminal and the connecting block, and the security is higher, is suitable for the popularization.

In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an elevation view of the connection shaft of the present invention;

FIG. 3 is a side view of the connection shaft of the present invention;

fig. 4 is the utility model discloses a stopper installation schematic diagram.

Reference numerals:

the connector comprises a shell 1, a first wire holder 2, a second wire holder 3, a connecting block 4, a protrusion 401, a lead screw 5, a knob 6, a sliding hole 601, a sliding plate 602, a spring 603, a limiting block 604, a connecting shaft 7 and a limiting groove 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1 to 4, an electrical control safety switch includes a housing 1, a first wire holder 2, a second wire holder 3, a connecting block 4, a lead screw 5, a knob 6; a first cavity is arranged in a shell 1, a first wire holder 2 and a second wire holder 3 are respectively arranged at the upper end and the lower end of one side in the first cavity, the first wire holder 2 and the second wire holder 3 are both made of conductive materials and are used for connecting external wires, the first wire holder 2 and the second wire holder 3 are both communicated with one side of the shell 1, the external wires respectively penetrate through the side wall of the shell 1 and are connected with the first wire holder 2 and the second wire holder 3, the shell 1 is made of insulating materials and can protect the first wire holder 2 and the second wire holder 3 so as to avoid accidents caused by the contact of the first wire holder 2 and the second wire holder 3 with people, a lead screw 5 is transversely arranged between the first wire holder 2 and the second wire holder 3, one end of the lead screw 5 is rotatably connected with the inner wall of one side of the shell 1, the other end of the lead screw 5 penetrates through the side wall of the shell 1, a connecting block 4 is sleeved on the lead screw 5, a screw hole matched with the lead screw 5 is arranged on the connecting block 4, the connecting block 4 is in threaded connection with the lead screw 5 through a screw hole, the lead screw 5 drives the connecting block 4 to move when rotating, the connecting block 4 is in sliding connection with the inner wall of the shell 1, the inner wall of the shell 1 limits the rotation of the connecting block 4, the lead screw 5 is ensured to drive the connecting block 4 to move transversely in the shell 1 back and forth when rotating, two ends of the connecting block 4 are respectively detachably connected with the first wire holder 2 and the second wire holder 3, the connecting block 4 is made of conductive materials and is used for realizing the connection and disconnection between the first wire holder 2 and the second wire holder 3, one side of each of the first wire holder 2 and the second wire holder 3 is provided with a groove, two ends of the connecting block 4 are respectively provided with a bulge 401 matched with the groove, the two bulges 401 are detachably connected and are arranged in the grooves, when the lead screw 5 rotates to drive the bulges 401 at two ends of the connecting block 4 to move to be in contact with the grooves on the first wire holder 2 and the second wire holder 3, the conduction between the first wire holder 2 and the second wire holder 3 can be realized, the connection is more stable through the plug-in connection between the protrusion 401 and the groove, the phenomenon of poor contact is avoided, the screw 5 and the connecting block 4 have self-locking performance, the position of the connecting block 4 is ensured to be kept still after being determined, and accidents are avoided; a knob 6 is arranged outside one end of a screw 5, the knob 6 is arranged on the outer wall of one side of the shell 1, one end of the screw 5 penetrates through the side wall of the shell 1 and is connected with the knob 6, the knob 6 is used for manually controlling the screw 5 so as to control the connection and disconnection of the first wire holder 2 and the second wire holder 3, the screw 5 and the knob 6 are made of insulating materials, the electric shock condition is avoided when the knob 6 is rotated, and the safety of people is protected; the lead screw 5 is connected with the knob 6 through the connecting shaft 7, a second cavity is arranged in the knob 6, a sliding hole 601 matched with the connecting shaft 7 is formed in the side wall of the second cavity, the connecting shaft 7 is connected with the knob 6 in a sliding mode through the sliding hole 601, the connecting shaft 7 is kept still when the knob 6 moves back and forth, the sliding hole 601 ensures that the knob 6 keeps stable when moving, a sliding plate 602 matched with the sliding plate 602 is arranged in the second cavity, the sliding plate 602 is arranged in the second cavity in a sliding mode, the diameter size of the sliding plate 602 is larger than that of the sliding hole 601, the sliding plate 602 limits the moving range of the knob 6, and the knob 6 is prevented from being separated from the connecting shaft 7; one end of the connecting shaft 7 is fixedly connected with the screw rod 5, the other end of the connecting shaft 7 is fixedly connected with the sliding plate 602, when the knob 6 moves back and forth, the screw 5, the connecting shaft 7 and the sliding plate 602 are all kept stationary, one side of the sliding plate 602 is provided with a spring 603, one end of the spring 603 is fixedly connected with the inner wall of the cavity of the knob 6, the other end of the spring 603 is fixedly connected with the sliding plate 602, the spring 603 can ensure that the knob 6 can return after moving for a certain distance, when the knob 6 is forced to move rightwards, the spring 603 is stretched to generate elasticity, when the knob 6 is not stressed any more, the spring 603 resets to pull the knob 6 to return to the original position, the cross section of the connecting shaft 7 is of a rectangular structure, the rectangular structure limits the relative rotation between the knob 6 and the connecting shaft 7, the connecting shaft 7 is driven to rotate together when the knob 6 rotates, the lead screw 5 is driven to rotate, and the first wire holder 2 and the second wire holder 3 are connected and disconnected; 6 one end of knob is equipped with stopper 604, be equipped with two on the shell 1 lateral wall with stopper 604 matched with spacing groove 8, two spacing groove 8 vertical distribution, stopper 604 can dismantle the setting of connection at spacing inslot 8, stopper 604 and spacing groove 8 cooperation can carry on spacingly to knob 6, go into spacing inslot 8 back when stopper 604 card, knob 6 is spacing not rotated again, avoid bumping into knob 6 after carelessly, knob 6 rotates and leads to first connection terminal 2 and the unexpected connection of second connection terminal 3 or break off, cause danger.

The utility model discloses a use method: the utility model discloses need the safety of an outage ware protection whole circuit in every circuit, the utility model discloses set up in the circuit of having installed the outage ware, so need not consider the auto-power-off condition, when needing to be connected external conductor and safety switch, pulling knob 6 moves right, spring 603 is stretched and is produced elasticity, stop pulling knob 6 after stopper 604 moves to leave one of them spacing groove 8, knob 6 is no longer spacing at this moment, rotate knob 6, sliding hole 601 on knob 6 drives connecting axle 7 of rectangular structure and rotates together, and then drive lead screw 5 and rotate, lead screw 5 rotates and drives connecting block 4 and move right, the arch 401 at connecting block 4 both ends leaves the recess on first wire holder 2 and the second wire holder 3, first wire holder 2 and the disconnection of second wire holder 3 at this moment, when knob 6 rotates ninety degrees to when stopper 604 aligns with another spacing groove 8, the knob 6 stops rotating and is loosened, the spring 603 resets and pulls the limiting block 604 to be clamped into the other limiting groove 8, the knob 6 is limited and does not rotate any more, and at the moment, the external lead can be respectively connected with the first wire holder 2 and the second wire holder 3; when the safety switch needs to be opened, the pulling knob 6 moves rightwards, the pulling knob 6 stops after the limiting block 604 moves away from one of the limiting grooves 8, the knob 6 is rotated, the knob 6 drives the connecting shaft 7 to rotate together, the lead screw 5 is driven to rotate, the lead screw 5 rotates to drive the connecting block 4 to move rightwards, the protrusions 401 at the two ends of the connecting block 4 are in contact with the grooves in the first wire holder 2 and the second wire holder 3, when the knob 6 rotates ninety degrees to align the limiting block 604 with the other limiting groove 8, the rotation stopping knob 6 is loosened, the spring 603 resets and pulls the limiting block 604 to be clamped into the other limiting groove 8, the knob 6 is limited and does not rotate any more, and the connecting block 4 is in contact with the first wire holder 2 and the second wire holder 3 respectively to achieve the switch-on of the safety switch at the moment.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. An electrical control safety switch is characterized by comprising a shell (1), a first wire holder (2), a second wire holder (3), a connecting block (4), a lead screw (5) and a knob (6); a first cavity is arranged in the shell (1), a first wire holder (2) and a second wire holder (3) are respectively arranged at the upper end and the lower end of one side in the first cavity, the first wire holder (2) and the second wire holder (3) are communicated with one side of the shell (1), a lead screw (5) is transversely arranged between the first wire holder (2) and the second wire holder (3), one end of the screw rod (5) is rotationally connected with the inner wall of one side of the shell (1), the other end of the screw rod (5) penetrates through the side wall of the shell (1), the lead screw (5) is sleeved with a connecting block (4), the connecting block (4) is provided with a screw hole matched with the lead screw (5), the connecting block (4) is in threaded connection with the screw rod (5) through a screw hole, the connecting block (4) is in sliding connection with the inner wall of the shell (1), two ends of the connecting block (4) are respectively detachably connected with the first wire holder (2) and the second wire holder (3);

the screw rod (5) is provided with a knob (6) at one end, the knob (6) is arranged on the outer wall of one side of the shell (1), and one end of the screw rod (5) penetrates through the side wall of the shell (1) and is connected with the knob (6).

2. The electrically controlled safety switch of claim 1, wherein: the shell (1), the lead screw (5) and the knob (6) are all made of insulating materials, and the first wire holder (2), the second wire holder (3) and the connecting block (4) are made of conducting materials.

3. The electrically controlled safety switch of claim 1, wherein: first wire holder (2) and second wire holder (3) one side all are equipped with the recess, connecting block (4) both ends all are equipped with recess matched with protruding (401), two the setting that protruding (401) all can be dismantled and connect is in the recess.

4. The electrically controlled safety switch of claim 1, wherein: the lead screw (5) is connected with the knob (6) through a connecting shaft (7), a second cavity is arranged in the knob (6), a sliding hole (601) matched with the connecting shaft (7) is formed in the side wall of the second cavity, the connecting shaft (7) is connected with the knob (6) in a sliding mode through the sliding hole (601), a sliding plate (602) matched with the second cavity is arranged in the second cavity, the sliding plate (602) is arranged in the second cavity in a sliding mode, one end of the connecting shaft (7) is fixedly connected with the lead screw (5), the other end of the connecting shaft (7) is fixedly connected with the sliding plate (602), a spring (603) is arranged on one side of the sliding plate (602), one end of the spring (603) is fixedly connected with the inner wall of the cavity of the knob (6), the other end of the spring (603) is fixedly connected with the sliding plate (602), and a limiting block (604) is arranged at one end of the knob (6), be equipped with two spacing groove (8) with stopper (604) matched with on shell (1) lateral wall, two spacing groove (8) vertical distribution, setting that stopper (604) can be dismantled the connection is in spacing groove (8).

5. The electrically controlled safety switch of claim 4, wherein: the cross section of the connecting shaft (7) is of a rectangular structure.