CN211018166U - Switch board business turn over line elastic sealing structure - Google Patents
Switch board business turn over line elastic sealing structure Download PDFInfo
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- CN211018166U CN211018166U CN201922471043.9U CN201922471043U CN211018166U CN 211018166 U CN211018166 U CN 211018166U CN 201922471043 U CN201922471043 U CN 201922471043U CN 211018166 U CN211018166 U CN 211018166U
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- elasticity
- sealing
- elastic
- rubber seal
- turn over
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Abstract
The utility model provides a switch board business turn over line elastic sealing structure belongs to the power equipment field, including closing plate, business turn over line seal structure includes internal thread sleeve pipe, elasticity external member, elasticity rubber seal tube, external screw thread rotating sleeve, be provided with the entrance hole on the closing plate, elasticity rubber seal tube and entrance hole fixed connection, the elasticity external member cover is established in the elasticity rubber seal tube outside, the internal thread sleeve pipe box establish in the elasticity external member outside and with closing plate fixed connection, external screw thread rotating sleeve pipe keeps away from closing plate one end spiro union with the internal thread sleeve pipe, thereby the external screw thread rotating sleeve pipe makes elasticity rubber seal tube and the cable formation of setting in elasticity rubber seal tube sealed through compression or tensile elasticity external member extrusion elasticity rubber seal tube and elasticity external member contact segment sealed. The utility model provides a switch board business turn over line elastic sealing structure has that the leakproofness is good, the loading and unloading is convenient, later stage overhauls maintains convenient advantage.
Description
Technical Field
The utility model belongs to the power equipment field especially relates to a switch board business turn over line elastic seal structure.
Background
The power distribution cabinet is also called a power distribution cabinet and is a general name of a motor control center. The power distribution cabinet, the illumination distribution cabinet and the metering cabinet are the final-stage equipment of the power distribution system. Current switch board is when business turn over line, the structure is more single, directly set up a cable standing groove on the switch board surface, pass through the cable standing groove with the cable and extend to the switch board outside, because business turn over line structure is single, concentrate on a through-hole business turn over line, make the switch board leakproofness descend, the rainwater, foreign matter or animal get into inside the switch board through business turn over line through-hole easily, and then damage switch board inner assembly, influence the normal power supply of switch board, consequently, need improve the switch board business turn over line structure, improve the leakproofness of switch board.
SUMMERY OF THE UTILITY MODEL
Based on the problems in the prior art, the utility model provides an elastic sealing structure for the inlet and outlet wires of a power distribution cabinet, which comprises a sealing plate and an inlet and outlet wire sealing structure, the wire inlet and outlet sealing structure comprises an internal thread sleeve, an elastic rubber sealing tube and an external thread rotating sleeve, the sealing plate is provided with a wire inlet hole, the elastic rubber sealing tube is fixedly connected with the wire inlet hole, the elastic sleeve is sleeved outside the elastic rubber sealing tube, the internal thread sleeve is sleeved outside the elastic sleeve and is fixedly connected with the sealing plate, the sealing plate is kept away from with the internal thread sleeve pipe to the rotatory sleeve pipe of external screw thread one end spiro union, thereby the rotatory sleeve pipe of external screw thread makes elasticity rubber seal pipe and the cable formation of setting in elasticity rubber seal pipe sealed with elasticity external member contact segment through compression or tensile elasticity external member extrusion elasticity rubber seal pipe. The utility model provides a switch board business turn over line elastic sealing structure has that the leakproofness is good, the loading and unloading is convenient, later stage overhauls maintains convenient advantage.
The utility model discloses a following detailed technical scheme reaches the purpose:
the utility model provides a switch board business turn over line elastic sealing structure, includes closing plate, business turn over line seal structure includes internal thread sleeve pipe, elasticity external member, elasticity rubber seal pipe, the rotatory sleeve pipe of external screw thread, be provided with the entrance hole on the closing plate, elasticity rubber seal pipe and entrance hole fixed connection, the elasticity external member cover is established in the elasticity rubber seal pipe outside, the internal thread sleeve pipe cover establish in the elasticity external member outside and with closing plate fixed connection, the rotatory sleeve pipe of external screw thread keeps away from closing plate one end spiro union with internal thread sleeve pipe, thereby the rotatory sleeve pipe of external screw thread makes elasticity rubber seal pipe and the cable formation of setting in elasticity rubber seal pipe sealed through compression or tensile elasticity external member extrusion elasticity rubber seal pipe and elasticity external member contact segment.
The elastic sleeve comprises a plurality of groups of wave-shaped elastic sheets, the wave-shaped elastic sheets are arranged at intervals in a surrounding mode to form a barrel shape, the inner thread sleeve is sleeved on the outer side of the barrel-shaped elastic sleeve, the barrel-shaped elastic sleeve is sleeved on the outer side of the elastic rubber sealing pipe, the outer thread rotating sleeve can extrude the wave-shaped elastic sheets to be compressed along the axial direction of the barrel-shaped elastic sleeve when compressing the barrel-shaped elastic sleeve along the axial direction, and the inner hole aperture of the barrel-shaped elastic sleeve is reduced after the wave-shaped elastic sheets are compressed, so that the contact part of the elastic rubber sealing pipe and the elastic sleeve is extruded, and the elastic rubber sealing pipe and a cable arranged in.
The inner side edge of the cross section of the cylindrical elastic sleeve is provided with a plurality of arc-shaped edges, the wave crest of the contact part of the wave-shaped elastic sheet and the elastic rubber sealing pipe is provided with a protection fillet, and the wave-shaped elastic sheet and the elastic rubber sealing pipe are prevented from puncturing or wearing the elastic rubber sealing pipe by the aid of the arc-shaped edges and the protection fillets when the hole diameter of the inner hole of the cylindrical elastic sleeve is reduced.
The elastic sleeve is an extension spring, the internal thread sleeve is sleeved outside the extension spring, the extension spring is sleeved outside the elastic rubber sealing tube, the extension spring is close to one end of the sealing plate and fixedly connected with the sealing plate, the extension spring is close to one end of the external thread rotating sleeve and rotatably connected with the external thread rotating sleeve, and the external thread rotating sleeve extrudes the elastic rubber sealing tube and the elastic sleeve to be in contact with each other through the extension spring along the axial direction so that the elastic rubber sealing tube and a cable arranged in the elastic rubber sealing tube form sealing.
And an outer knurl or a hexagonal rotary table is arranged on the outer side of one end, far away from the internal thread sleeve, of the external thread rotary sleeve.
One side, far away from the internal thread sleeve pipe, of the sealing plate is provided with a clamping boss, the sealing plate is provided with a sealing groove, the sealing groove is arranged on the outer side of the clamping boss in a surrounding mode, the wire inlet holes are formed in the clamping boss, and a sealing rubber ring protruding out of the sealing groove are detachably arranged in the sealing groove.
The outer edge of one side of the clamping boss, which is far away from the internal thread sleeve, is provided with a boss fillet, and the wire inlet hole is provided with a wire inlet hole fillet on one side close to the clamping boss.
The power distribution cabinet is characterized in that an inlet wire opening is formed in the power distribution cabinet body, the sealing plate is connected to the inlet wire opening in a clamping mode through a clamping boss in a clamping mode and seals the inlet wire opening, the sealing plate is detachably connected with the cabinet body through a bolt, and the bolt is located on the outer side of the sealing groove and does not penetrate through the side wall of the cabinet body.
When assembling the distribution cabinet in narrow and small space, because the operation space is limited, in order to reduce the assembly time, can be earlier fixed all cables to the closing plate back through business turn over line seal structure, assemble the closing plate on the cabinet body again. When the sealing plate is assembled, the clamping boss is aligned to the inlet wire opening and clamped on the inlet wire opening, and the sealing plate and the cabinet body are locked through the bolts;
after the bolts are locked, the sealing rubber rings are respectively pressed on the outer edges of the sealing grooves and the inlet wire opening, so that the joint of the sealing plate and the cabinet body is sealed, and the bolts are positioned outside the sealing grooves and do not penetrate through the side wall of the cabinet body, so that the sealing between the sealing plate and the cabinet body cannot be damaged by the bolts;
the boss fillet is arranged at the outer edge of one side of the clamping boss, which is far away from the internal thread sleeve, so that the clamping boss is more easily aligned with the inlet wire opening when in clamping; one side of the wire inlet hole close to the clamping boss is provided with a wire inlet hole round corner, so that the sharp-angle edge of the wire inlet hole can be prevented from wearing cables;
when the cable needs to be replaced, the external thread rotating sleeve is only required to be rotated to enable the elastic sleeve and the elastic rubber sealing tube to recover and release the cable, after the cable is replaced, the cable is sealed in and out of the cabinet body through the incoming and outgoing line sealing structure again, the original sealing piece does not need to be damaged, and the sealing piece does not need to be replaced.
The utility model discloses an foretell technical scheme has that the leakproofness is good, the loading and unloading is convenient, later stage overhauls maintains convenient advantage.
Drawings
Fig. 1 is a front view of an elastic sleeve according to embodiment 1 of the present invention.
Fig. 2 is a side view of the elastic member according to embodiment 1 of the present invention.
Fig. 3 is a perspective view of an elastic member according to embodiment 1 of the present invention.
Fig. 4 is a front view of the wave-shaped elastic sheet of embodiment 1 of the present invention.
Fig. 5 is a schematic view of a wave-shaped elastic piece three-dimensional structure in embodiment 1 of the present invention.
Fig. 6 is a schematic view of a sealing plate structure according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of the cabinet body and the inlet wire opening structure according to the embodiment of the present invention.
Fig. 8 is a schematic structural view of embodiment 1 of the present invention.
Fig. 9 is a schematic sectional structure diagram according to embodiment 1 of the present invention.
Fig. 10 and an enlarged schematic structure at a in fig. 9.
Fig. 11 is a schematic structural view of embodiment 2 of the present invention.
Fig. 12 is a schematic sectional view of embodiment 2 of the present invention.
Fig. 13 and an enlarged schematic view of the structure at B of fig. 12.
10. The sealing plate, 11, the entrance hole, 12, entrance hole fillet, 13, joint boss, 14, boss fillet, 15, sealed recess, 16, sealed rubber ring, 21, internal thread sleeve pipe, 22, elasticity external member, 23, wave shell fragment, 24, protection fillet, 25, elasticity rubber seal tube, 26, external screw thread rotating sleeve pipe, 27, outer annular knurl, 30, the cabinet body, 31, inlet wire opening, 40, cable.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in the attached drawing, the wire inlet and outlet elastic sealing structure of the power distribution cabinet comprises a sealing plate 10 and a wire inlet and outlet sealing structure, the wire inlet and outlet sealing structure comprises an internal thread sleeve 21, an elastic sleeve 22, an elastic rubber sealing tube 25 and an external thread rotating sleeve 26, the sealing plate 10 is provided with a wire inlet hole 11, the elastic rubber sealing tube 25 is fixedly connected with the wire inlet hole 11, the elastic sleeve 22 is sleeved outside the elastic rubber sealing tube 25, the internal thread sleeve 21 is sleeved outside the elastic sleeve 22 and fixedly connected with the sealing plate 10, the externally threaded rotary sleeve 26 is threadedly engaged with an end of the internally threaded sleeve 21 remote from the sealing plate 10, the externally threaded rotary sleeve 26 presses the contact portion of the elastic rubber sealing tube 25 and the elastic sleeve 22 by compressing or stretching the elastic sleeve 22 so that the elastic rubber sealing tube 25 forms a seal with the cable 40 disposed inside the elastic rubber sealing tube 25.
Preferably, the elastic sleeve 22 includes eight groups of wave-shaped elastic sheets 23, the wave-shaped elastic sheets 23 are arranged at intervals in a surrounding manner to form a cylindrical shape, the internal thread sleeve 21 is sleeved outside the cylindrical elastic sleeve 22, the cylindrical elastic sleeve 22 is sleeved outside the elastic rubber sealing tube 25, when the cylindrical elastic sleeve 22 is compressed along the axial direction by the external thread rotating sleeve 26, the wave-shaped elastic sheets are extruded to be compressed along the axial direction of the cylindrical elastic sleeve 22, and after the wave-shaped elastic sheets 23 are compressed, the inner hole diameter of the cylindrical elastic sleeve 22 is reduced, so that the contact part between the elastic rubber sealing tube 25 and the elastic sleeve 22 is extruded, and the elastic rubber sealing tube 25 and the cable 40 arranged in the elastic rubber sealing tube 25 form a seal.
Preferably, the inner side edge of the cross section of the cylindrical elastic sleeve 22 is provided with a plurality of arc-shaped edges, the wave crests of the contact part of the wave-shaped elastic sheet 23 and the elastic rubber sealing tube 25 are all provided with protection fillets 24, and the edges and corners of the wave-shaped elastic sheet 23, which are in contact with the elastic rubber sealing tube 25, can be prevented from puncturing or abrading the elastic rubber sealing tube 25 through the arc-shaped edges and the protection fillets 24 when the inner hole of the cylindrical elastic sleeve 22 is reduced.
Preferably, the outer side of the end of the male threaded rotating sleeve 26 away from the female threaded sleeve 21 is provided with an outer knurl 27.
Preferably, a clamping boss 13 is arranged on one side, away from the internal thread sleeve 21, of the sealing plate 10, a sealing groove 15 is arranged on the sealing plate 10, the sealing groove 15 is arranged on the outer side of the clamping boss 13 in a surrounding mode, the wire inlet holes 11 are arranged on the clamping boss 13, and a sealing rubber ring 16 is detachably arranged in the sealing groove 15 and protrudes out of the sealing groove 15.
Preferably, the outer edge of the clamping boss 13 far away from the internal thread sleeve 21 is provided with a boss fillet 14, and the wire inlet hole 11 is provided with a wire inlet hole fillet 12 near the clamping boss 13.
Preferably, an inlet wire opening 31 is formed in the power distribution cabinet body 30, the sealing plate 10 is clamped on the inlet wire opening 31 through the clamping boss 13 and seals the inlet wire opening 31, the sealing plate 10 is detachably connected with the cabinet body 30 through a bolt, and the bolt is located on the outer side of the sealing groove 15 and does not penetrate through the side wall of the cabinet body 30.
When the power distribution cabinet is assembled in a narrow space, since the working space is limited, in order to reduce the assembly time, all the cables 40 may be fixed to the sealing plate 10 by the inlet and outlet sealing structure, and then the sealing plate 10 may be assembled to the cabinet body 30. When the sealing plate 10 is assembled, the clamping boss 13 is aligned with the wire inlet opening 31 and clamped on the wire inlet opening 31, and then the sealing plate 10 and the cabinet body 30 are locked through the bolts;
after the bolts are locked, the sealing rubber rings 16 are respectively pressed on the outer edges of the sealing grooves 15 and the wire inlet opening 31, so that the joint of the sealing plate 10 and the cabinet body 30 is sealed, and the bolts are positioned on the outer side of the sealing grooves 15 and do not penetrate through the side wall of the cabinet body 30, so that the bolts cannot damage the sealing between the sealing plate 10 and the cabinet body 30;
the boss fillet 14 is arranged at the outer edge of one side, far away from the internal thread sleeve 21, of the clamping boss 13, so that the clamping boss 13 is more easily aligned to the wire inlet opening 31 when in clamping; a wire inlet hole fillet 12 is arranged on one side of the wire inlet hole 11 close to the clamping boss 13, so that the sharp-angle edge of the wire inlet hole 11 can be prevented from wearing the cable 40;
when the cable 40 needs to be replaced, the external thread rotating sleeve 26 is only required to be rotated to restore the elastic sleeve 22 and the elastic rubber sealing tube 25 and release the cable 40, after the cable 40 is replaced, the cable 40 is sealed at the position where the cable enters and exits the cabinet body 30 through the incoming and outgoing line sealing structure again, and the original sealing piece does not need to be damaged and does not need to be replaced.
Example 2
The difference between this embodiment and the above embodiments is that the elastic sleeve 22 is an extension spring, the internal thread sleeve 21 is sleeved on the outside of the extension spring, the extension spring is sleeved on the outside of the elastic rubber sealing tube 25, one end of the extension spring close to the sealing plate 10 is fixedly connected to the sealing plate 10, one end of the extension spring close to the external thread rotating sleeve 26 is rotatably connected to the external thread rotating sleeve 26, and the external thread rotating sleeve 26 presses the contact portion between the elastic rubber sealing tube 25 and the elastic sleeve 22 by extending the extension spring along the axial direction, so that the elastic rubber sealing tube 25 forms a seal with the cable 40 disposed in the elastic rubber sealing tube 25.
The utility model discloses an foretell embodiment has that the leakproofness is good, the loading and unloading is convenient, later stage overhauls maintains convenient advantage.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. The utility model provides a switch board business turn over line elastic sealing structure, a serial communication port, including closing plate (10), business turn over line sealing structure includes internal thread sleeve pipe (21), elasticity external member (22), elasticity rubber seal pipe (25), external screw thread rotating sleeve pipe (26), be provided with entrance hole (11) on closing plate (10), elasticity rubber seal pipe (25) and entrance hole (11) fixed connection, elasticity external member (22) cover is established in elasticity rubber seal pipe (25) outside, internal thread sleeve pipe (21) cover establish in elasticity external member (22) outside and with closing plate (10) fixed connection, external screw thread rotating sleeve pipe (26) and internal thread sleeve pipe (21) keep away from closing plate (10) one end spiro union, thereby external screw thread rotating sleeve pipe (26) extrudees elasticity rubber seal pipe (25) and elasticity external member (22) contact segment through compression or tensile elasticity external member (22) extrusion elasticity rubber seal pipe (25) and thereby make elasticity rubber seal pipe 25) Forms a seal with a cable (40) disposed within an elastic rubber sealing tube (25).
2. The switch board business turn over line elastic sealing structure of claim 1, characterized in that, the elasticity external member (22) includes multiunit wave shell fragment (23), wave shell fragment (23) spaced sets up around and forms the tube-shape, the cover of female screw sleeve (21) is established in the outside of tube-shape elasticity external member (22), the cover of tube-shape elasticity external member (22) is established in the outside of elasticity rubber seal tube (25), thereby the rotatory sleeve pipe of external screw thread (26) is through compressing the contact portion of elasticity external member (22) extrusion elasticity rubber seal tube (25) and elasticity external member (22) along the axial so that elasticity rubber seal tube (25) and the cable (40) that set up in elasticity rubber seal tube (25) form sealedly.
3. The switch board business turn over line elastic sealing structure of claim 2, characterized in that, the inboard side of the cross section of the cylindrical elastic external member (22) is a plurality of arc edges, all be provided with the fillet on the crest of the wave shell fragment (23) and elastic rubber seal tube (25) contact part.
4. The switch board business turn over line elastic sealing structure of claim 1, characterized in that, the elastic sleeve member (22) is an extension spring, the internal thread bushing (21) is sleeved outside the extension spring, the extension spring is sleeved outside the elastic rubber sealing tube (25), one end of the extension spring close to the sealing plate (10) is fixedly connected with the sealing plate (10), one end of the extension spring close to the external thread rotating bushing (26) is rotatably connected with the external thread rotating bushing (26), and the external thread rotating bushing (26) extrudes the contact part of the elastic rubber sealing tube (25) and the elastic sleeve member (22) through the extension spring along the axial direction, so that the elastic rubber sealing tube (25) forms a seal with the cable (40) arranged in the elastic rubber sealing tube (25).
5. The switch board business turn over line elastic sealing structure of claim 3 or 4, characterized in that, the outside of one end of the external thread rotating sleeve (26) far away from the internal thread sleeve (21) is provided with an external knurl (27) or a hexagonal rotary table.
6. The switch board business turn over line elastic sealing structure of claim 5, characterized in that, one side of the sealing plate (10) far away from the internal thread sleeve (21) is provided with a clamping boss (13), the sealing plate (10) is provided with a sealing groove (15), the sealing groove (15) is arranged around the outer side of the clamping boss (13), the wire inlet holes (11) are all arranged on the clamping boss (13), a sealing rubber ring (16) is detachably arranged in the sealing groove (15), and the sealing rubber ring (16) protrudes out of the sealing groove (15).
7. The switch board business turn over line elastic sealing structure of claim 6, characterized in that, the joint boss (13) is provided with boss fillet (14) far away from the outer edge of one side of the internal thread bushing (21), and the wire inlet hole (11) is provided with wire inlet hole fillet (12) near one side of the joint boss (13).
8. The switch board business turn over line elastic sealing structure of claim 7, characterized in that, be provided with inlet wire opening (31) on the switch board cabinet body (30), the closing plate (10) passes through joint boss (13) joint and seals inlet wire opening (31) on inlet wire opening (31), closing plate (10) passes through the bolt and is connected with cabinet body (30) detachable, the bolt is located the sealed recess (15) outside and the bolt does not pierce through cabinet body (30) lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471043.9U CN211018166U (en) | 2019-12-31 | 2019-12-31 | Switch board business turn over line elastic sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922471043.9U CN211018166U (en) | 2019-12-31 | 2019-12-31 | Switch board business turn over line elastic sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211018166U true CN211018166U (en) | 2020-07-14 |
Family
ID=71476178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922471043.9U Expired - Fee Related CN211018166U (en) | 2019-12-31 | 2019-12-31 | Switch board business turn over line elastic sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211018166U (en) |
-
2019
- 2019-12-31 CN CN201922471043.9U patent/CN211018166U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200714 Termination date: 20211231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |