CN216902646U - Sealing assembly and rotary isolating switch - Google Patents

Abstract

The application provides a seal assembly and rotatory isolator relates to low-voltage apparatus technical field, including installing in the annular seal receptacle of quick-witted case window department and being used for the sealed lid that the lid closed the window, sealed lid can be dismantled and connect in annular seal receptacle, and the inner circle of annular seal receptacle corresponds with the window position, is provided with in sealed covering and communicates to the mounting hole of quick-witted incasement switch body through annular seal receptacle inner circle, and the mounting hole is used for wearing to establish the wire of pegging graft in the switch body. So, when can realizing the normal wiring of wire and switch body, utilize seal assembly to keep apart and seal quick-witted incasement portion to protect the switch body of quick-witted incasement portion.

Description

Sealing assembly and rotary isolating switch

Technical Field

The application relates to the technical field of low-voltage apparatuses, in particular to a sealing assembly and a rotary isolating switch.

Background

With the progress of science and technology, the living standard of people is rapidly improved, and higher requirements on electricity safety are met. The rotary isolating switch is an isolating switch operated in a screwing mode, is mainly used for isolating a power supply and switching off operation and is used for connecting and cutting off a small current circuit, and effectively protects circuits and electrical equipment.

When current rotary isolating switch assembles in quick-witted case and needs the wiring, the mode that directly adopts the screw wiring on the switch body usually goes on, consequently, need open the window on quick-witted case and be convenient for the wiring, but this leakproofness that also leads to quick-witted incasement portion worsens, and easy deposition, wet, simultaneously, because the wire is unsettled, also make the wire take place the pine take off under long-time use easily.

SUMMERY OF THE UTILITY MODEL

An object of this application lies in, to the not enough among the above-mentioned prior art, provides a seal assembly and rotatory isolator to solve current quick-witted case and window and lead to the relatively poor and problem that the wire pine takes off easily of leakproofness.

In order to achieve the above purpose, the technical solutions adopted in the embodiments of the present application are as follows:

one aspect of the embodiment of the application provides a seal assembly, including installing in the annular seal receptacle of quick-witted case window department and being used for the sealed lid that covers the window, sealed lid can dismantle to be connected in the annular seal receptacle, and the inner circle of annular seal receptacle corresponds with the window position, is provided with the mounting hole that feeds through to quick-witted incasement switch body through annular seal receptacle inner circle on sealed covering, and the mounting hole is used for wearing to establish the wire of pegging graft in the switch body.

Optionally, the annular sealing seat is mounted on the outer side of the case, and the annular sealing seat is provided with a folded edge, and the folded edge is attached to the inner wall of the window.

Optionally, be provided with the spacing portion with wire cooperation butt on sealed covering, sealed lid is used for spacing the wire in sealed lid through spacing portion.

Optionally, the limiting part is a limiting protrusion located on the periphery of the mounting hole, and the limiting protrusion is arranged on one side, close to the annular sealing seat, of the sealing cover.

Optionally, the limiting protrusions are multiple, and a reinforcing rib is arranged between every two adjacent limiting protrusions.

Optionally, a sealing sleeve attached to the outer peripheral wall of the lead is arranged in the mounting hole.

Optionally, a positioning groove is formed in one side, close to the sealing cover, of the annular sealing seat, the sealing cover is provided with a positioning protrusion, and the positioning protrusion is inserted into the positioning groove.

Optionally, a first buckling part is arranged on the annular sealing seat, a second buckling part is arranged on the sealing cover, and the sealing cover is clamped with the second buckling part through the first buckling part to be detachably connected to the annular sealing seat.

Optionally, a first sealing ring is arranged between the annular sealing seat and the chassis, and/or a second sealing ring is arranged between the annular sealing seat and the sealing cover.

On the other hand of this application embodiment, provide a rotatory isolator, including switch body and above-mentioned any kind of seal assembly, the switch body is located quick-witted incasement portion, and the wiring side of switch body corresponds with the seal assembly position of installing in quick-witted case window department.

The beneficial effect of this application includes:

the application provides a seal assembly and rotary isolating switch, including installing in the annular seal receptacle of quick-witted case window department and being used for the sealed lid that the lid closed the window, sealed lid can be dismantled and connect in annular seal receptacle, and the inner circle of annular seal receptacle corresponds with the window position, is provided with on sealed covering and communicates to the mounting hole of quick-witted incasement switch body through annular seal receptacle inner circle, and the mounting hole is used for wearing to establish the wire of pegging graft in the switch body. So, when can realizing the normal wiring of wire and switch body, utilize seal assembly to keep apart and seal quick-witted incasement portion, improve dustproof, dampproofing ability, simultaneously, utilize the mounting hole to carry out the bearing to the wire to avoid the wire pine to take off.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram illustrating an assembly of a rotary isolating switch and a chassis according to an embodiment of the present disclosure;

fig. 2 is a second schematic structural diagram illustrating an assembly of a rotary isolating switch and a cabinet according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram illustrating an assembly of a rotary isolating switch and a chassis according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of area A of FIG. 3;

FIG. 5 is an enlarged view of a portion of area B of FIG. 3;

FIG. 6 is an enlarged view of a portion of area C of FIG. 3;

FIG. 7 is an enlarged view of a portion of region D of FIG. 3;

fig. 8 is a schematic structural diagram illustrating an assembly of a sealing assembly and a chassis according to an embodiment of the present disclosure;

FIG. 9 is a schematic structural view of an annular seal seat according to an embodiment of the present disclosure;

fig. 10 is a second schematic structural view of an annular seal seat according to an embodiment of the present application;

fig. 11 is a schematic structural diagram of a sealing cover according to an embodiment of the present application.

Icon: 10-a chassis; 120-a switch body; 130-a junction block; 140-a screw; 150-a wire; 151-plug; 152-a sheath; 170-a sealing assembly; 180-a sealing cover; 181-sealing sleeve; 182-a limiting part; 183-mounting holes; 184-a positioning projection; 185-reinforcing ribs; 186-a second snap; 190-annular seal seat; 191-folding; 192-a first clasp; 193-annular groove; 194-a positioning groove; 210-a first seal ring; 220-second seal ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. It should be noted that, in case of no conflict, various features in the embodiments of the present application may be combined with each other, and the combined embodiments are still within the scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are usually placed when products of the application are used, and are only for convenience of description and simplification of the description, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

In another aspect of the embodiments of the present application, as shown in fig. 1 and fig. 2, a rotary isolating switch is provided, which includes a switch body 120 and a sealing assembly 170, the switch body 120 is located inside a chassis 10, and the switch body 120 and the chassis 10 are assembled in a manner that the switch body 120 and the inside of the chassis 10 are connected and fixed by a screw 140, or in other fixing manners such as clamping. After the switch body 120 is fixed inside the casing 10, one side of the switch body 120 having the terminal tube 130, that is, the terminal side of the switch body 120 corresponds to the window of the casing 10, so as to facilitate the insertion and extraction of the wire 150 through the window and the terminal tube 130 on the switch body 120. It should be noted that, when the switch body 120 is a double-sided, three-sided or multi-sided wiring, one side thereof may correspond to the window of the chassis 10. It should also be understood that the wiring side of the switch body 120 corresponds to the window of the enclosure 10, and should include a positive and partial positive correspondence. As shown in fig. 1 and 2, the sealing assembly 170 is also mounted at the window of the casing 10, so that the sealing assembly 170 can be used to isolate and seal the inside of the casing 10, thereby improving the dust-proof and moisture-proof capabilities, and meanwhile, the mounting holes are used to bear the weight of the wires 150, thereby preventing the wires 150 from loosening. It should be understood that the sealing assembly 170 may be used to seal the window of the casing 10 from the outside of the casing 10 as shown in fig. 1 and 2, or may be used to seal the window of the casing 10 from the inside of the casing 10 in other embodiments. As shown in fig. 4 and 5, the lead 150 may include a plug 151 at an end portion, and a sheath 152 provided on an outer periphery of the lead 150 and having a collar abutting against the stopper 182 of the subsequent embodiment.

In one aspect of the embodiment of the present application, a sealing assembly 170 is provided, as shown in fig. 1 and fig. 2, including an annular sealing seat 190 installed at a window of a chassis 10 and a sealing cover 180 for covering the window, wherein, in order to facilitate the implementation of wiring the switch body 120 inside the chassis 10, an inner ring of the annular sealing seat 190 corresponds to the window, so as to facilitate the passing of the wire 150 inserted into the switch body 120, meanwhile, a mounting hole 183 may be further provided on the sealing cover 180, and the mounting hole 183 is communicated to the wiring side of the switch body 120 through the inner ring of the annular sealing seat 190 and the window, so that an end of the wire 150 can pass through the mounting hole 183 and the inner ring of the annular sealing seat 190, and the window is inserted into the wiring pipe body 130 on the switch body 120. Because sealed lid 180 can cover the window, consequently, can seal the inside of quick-witted case 10, make it effectively keep apart with quick-witted case 10 outside, improve dustproof, dampproofing ability, simultaneously, utilize the mounting hole to carry out the bearing to wire 150 to avoid wire 150 to loosen and take off. The sealing cover 180 is detachably connected to the annular sealing seat 190, so that the user can check or maintain the switch body 120 in the case 10 conveniently by detaching the sealing cover 180.

In some embodiments, as shown in fig. 1 and 2, each of the wiring tube 130 and the mounting holes 183 may be plural, and the number and the positions of the mounting holes 183 provided on the sealing cover 180 should correspond to the number and the positions of the wiring tube 130 on the wiring side of the switch body 120 provided inside the housing 10 corresponding to the window, so that accurate wiring can be facilitated.

In some embodiments, as shown in fig. 1 and 2, the switch body 120 is located inside the enclosure 10 and the seal assembly 170 is located outside the enclosure 10, thus facilitating the assembly of the seal assembly 170 to the enclosure 10. At this time, the annular seal holder 190 is mounted outside the cabinet 10, and the inner ring of the annular seal holder 190 corresponds to the position and size of the window. As shown in fig. 8 and 9, a flange 191 may be disposed on one side of the annular sealing seat 190 close to the chassis 10, and the flange 191 is attached to the inner wall of the window, so that the inner wall of the window and the flange 191 may be tightly fitted to each other, and the flange 191 may abut against the inner wall of the window while improving the assembly convenience, thereby improving the stability of the assembled case in the long-term use. It should be understood that the flange 191 may be a plurality of separate block-shaped structures that may correspondingly abut the peripheral walls of the window; of course, as shown in fig. 8 and 9, the flange 191 may be an annular flange 191 which is in contact with the window peripheral wall, and thus the overall strength of the flange 191 can be increased.

In some embodiments, as shown in fig. 3 to 6 and 11, a limiting portion 182 may be disposed on the sealing cover 180, and the limiting portion 182 may be abutted with the lead 150 inserted into the mounting hole 183 to limit the lead 150 to the sealing cover 180, for example, as shown in fig. 6, after the end of the lead 150 is inserted into the mounting hole 183, the annular protrusion on the lead 150 may be abutted with the limiting portion 182 on the sealing cover 180, so that the lead 150 is limited to the sealing cover 180 without falling off, so that when the lead 150 is inserted into the switch body 120 inside the case 10, the lead 150 may be assembled with the mounting hole 183 and the limiting portion 182 of the sealing cover 180, and at this time, since the sealing cover 180 is not connected with the annular sealing seat 190, the lead 150 is easily assembled on the sealing cover 180 without being limited by the environment, and then the sealing cover 180 inserted with the lead 150 is integrally mounted on the annular sealing seat 190, the installation hole 183 and the limiting part 182 can be used for positioning and limiting the lead 150, so that the lead 150 and the wiring pipe body 130 of the switch body 120 are aligned and connected, wiring of the switch body 120 can be completed, wiring difficulty caused by environmental limitation when wiring is conducted on the switch body 120 in the traditional method can be effectively improved, and labor intensity of wiring of a user is reduced. In addition, due to the limitation of the limiting part 182, after the wiring is completed, the limiting part 182 mainly bears the weight of the lead 150, that is, the sealing cover 180 bears the weight of the lead 150, so as to ensure the stability of the insertion connection between the lead 150 and the switch body 120.

In some embodiments, as shown in fig. 6 and 11, the limiting portion 182 is a limiting protrusion located on the peripheral side of the mounting hole 183, and may be disposed annularly, and the limiting protrusion is disposed on one side of the sealing cover 180 close to the annular sealing seat 190, so that after the wire 150 is inserted into the mounting hole 183, the annular protrusion on the wire 150 can be located above the limiting protrusion and abut against the limiting protrusion, and the wire 150 is limited on one side of the sealing cover 180 close to the chassis 10 and does not fall off. Meanwhile, in normal use, if the state inside the case 10 needs to be checked, since the annular protrusion on the wire 150 is located at the limit protrusion and is only in one-way abutment, the sealing cover 180 can be smoothly detached from the annular sealing seat 190 without pulling the wire 150, thereby preventing the wire 150 from being loosened from the switch body 120.

In some embodiments, as shown in fig. 11, the limiting protrusions are provided in plurality, and a reinforcing rib 185 may be further provided between two adjacent limiting protrusions, so as to effectively improve the strength of the limiting protrusions and the overall strength of the sealing cover 180. As shown in fig. 11, when a plurality of mounting holes 183 are provided, the mounting holes 183 may be arranged in two rows, and a reinforcing rib 185 is disposed between the two rows, so that the reinforcing rib 185 may further improve the overall strength of the sealing cover 180, and the reinforcing rib 185 may increase the creepage distance between the two rows of mounting holes 183, thereby achieving effective electrical isolation.

In some embodiments, as shown in fig. 1 and 6, a sealing sleeve 181 is further provided in the mounting hole 183 so as to be in contact with the outer peripheral wall of the lead 150, so that the mounting hole 183 can be sufficiently sealed by the sealing sleeve 181. As shown in fig. 6, a circle of grooves may be further formed along the periphery of the sealing sleeve 181, and meanwhile, a clamping piece is correspondingly arranged on the inner wall of the mounting hole 183, so that the clamping piece extends into the groove on the periphery of the sealing sleeve 181, thereby realizing the assembly of the sealing sleeve 181 and the sealing cover 180.

In some embodiments, as shown in fig. 3 and 7, a second sealing ring 220 may be further disposed between the annular sealing seat and the sealing cover 180, and the second sealing ring 220 may be disposed around the inner circumference of the annular sealing seat, that is, when the sealing cover 180 is assembled to the annular sealing seat 190 by the screw 140, the sealing cover 180 and the annular sealing seat 190 can be sufficiently sealed by pressing the second sealing ring 220.

In some embodiments, as shown in fig. 10 and 11, a positioning groove 194 may be further formed on a side of the annular sealing seat 190 adjacent to the sealing cover 180, and meanwhile, a positioning protrusion 184 is disposed on a side of the sealing cover 180 adjacent to the annular sealing seat 190, when the sealing cover 180 is assembled with the annular sealing seat 190, the positioning protrusion 184 may be guided by the positioning groove 194, so that the positioning protrusion 184 is inserted into the positioning groove 194, thereby achieving fast and accurate alignment of the sealing cover 180 and the annular sealing seat 190, and facilitating improvement of accurate insertion of the end of the wire 150 assembled on the sealing cover 180 and the wire connecting tube body 130.

In some embodiments, as shown in fig. 10 and 11, the positioning groove 194 may be annular, and correspondingly, the positioning protrusion 184 on the sealing cover 180 may also be annular, and the two are inserted into each other to achieve quick and accurate alignment of the sealing cover 180 and the annular sealing seat 190. In addition, can also utilize the constant head tank 194 holding second sealing washer 220 to be convenient for fixed to second sealing washer 220, when realizing the assembly of sealed lid 180 and annular seal seat 190, thereby can utilize the protruding 184 of location to extrude the sealed effect that improves between sealed lid 180 and the annular seal seat 190 to the second sealing washer 220 in the constant head tank 194.

In some embodiments, as shown in fig. 3 and 7, a first sealing ring 210 is disposed around the window between the annular sealing seat 190 and the chassis 10, i.e. when the annular sealing seat 190 is mounted at the window of the chassis 10 by the screw 140, the first sealing ring 210 can be pressed to make a sufficient seal between the annular sealing seat 190 and the chassis 10. As shown in fig. 9, an annular groove 193 may be further formed on a side of the annular sealing seat 190 adjacent to the casing 10, and the annular groove 193 is used to receive the first sealing ring 210, so as to facilitate fixing of the first sealing ring 210 and to achieve sealing between the annular sealing seat 190 and the casing 10 by the first sealing ring 210.

In some embodiments, as shown in fig. 1, 9 and 11, a first fastening portion 192 is disposed on the annular sealing seat 190, a second fastening portion 186 is disposed on the sealing cover 180, and the sealing cover 180 can be assembled on the annular sealing seat 190 by engaging the first fastening portion 192 with the second fastening portion 186. For example, as shown in fig. 9 to 11, the first fastening portion 192 is a fastening protrusion disposed on an outer peripheral wall of the annular sealing seat 190, and the second fastening portion 186 is an elastic buckle disposed on an outer peripheral wall of the sealing cover 180, so that the elastic buckle can be fastened to the fastening protrusion when the sealing cover 180 is assembled with the annular sealing seat 190. When needs are dismantled, can drive the elastic buckle deformation through external force to remove the bellied joint of elastic buckle and joint, realize sealed lid 180 and the separation of annular seal seat 190.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A sealing assembly (170) is characterized by comprising an annular sealing seat (190) installed at a window of a case (10) and a sealing cover (180) used for covering the window, wherein the sealing cover (180) is detachably connected to the annular sealing seat (190), the inner ring of the annular sealing seat (190) corresponds to the window in position, a mounting hole (183) communicated to a switch body (120) in the case (10) through the inner ring of the annular sealing seat (190) is formed in the sealing cover (180), and the mounting hole (183) is used for being inserted in a lead (150) of the switch body (120).

2. The seal assembly (170) of claim 1, wherein the annular seal seat (190) is mounted to an outside of the housing (10), and the annular seal seat (190) has a flange (191), the flange (191) being disposed in abutment with an inner wall of the window.

3. The sealing assembly (170) of claim 1, wherein a retaining portion (182) is disposed on the sealing cover (180) for engaging and abutting against the conductor (150), and the sealing cover (180) is configured to retain the conductor (150) to the sealing cover (180) via the retaining portion (182).

4. The seal assembly (170) of claim 3, wherein the limiting portion (182) is a limiting protrusion located on a peripheral side of the mounting hole (183), and the limiting protrusion is disposed on a side of the seal cover (180) adjacent to the annular seal seat (190).

5. The seal assembly (170) of claim 4, wherein said retention bumps are a plurality of, and a bead (185) is disposed between two adjacent retention bumps.

6. The seal assembly (170) of claim 1 wherein a gland (181) is disposed within said mounting bore (183) in abutment with a peripheral wall of said lead (150).

7. The seal assembly (170) of any one of claims 1 to 6, wherein a positioning groove (194) is provided on a side of the annular seal seat (190) adjacent to the seal cover (180), the seal cover (180) having a positioning protrusion (184), the positioning protrusion (184) being inserted into the positioning groove (194).

8. The seal assembly (170) of any of claims 1 to 6, wherein a first snap (192) is provided on the annular seal seat (190) and a second snap (186) is provided on the seal cap (180), the seal cap (180) being snap-fitted to be removably connected to the annular seal seat (190) by the first snap (192) and the second snap (186).

9. Seal assembly (170) according to any of claims 1 to 6, wherein a first sealing ring (210) is provided between the annular sealing seat (190) and the cabinet (10) and/or a second sealing ring (220) is provided between the annular sealing seat (190) and the sealing cover (180).

10. A rotary isolating switch, characterized by comprising a switch body (120) and a sealing assembly (170) according to any one of claims 1 to 9, the switch body (120) being located inside a cabinet (10), and the wiring side of the switch body (120) corresponding to the position of the sealing assembly (170) mounted at the window of the cabinet (10).

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