CN113364195A - Explosion-proof motor junction box sealing structure - Google Patents
Explosion-proof motor junction box sealing structure Download PDFInfo
- Publication number
- CN113364195A CN113364195A CN202110696467.4A CN202110696467A CN113364195A CN 113364195 A CN113364195 A CN 113364195A CN 202110696467 A CN202110696467 A CN 202110696467A CN 113364195 A CN113364195 A CN 113364195A
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- China
- Prior art keywords
- junction box
- connecting plate
- explosion
- fastening nut
- establish
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a flame proof motor junction box seal structure, includes the junction box seat, establishes wiring case lid on the junction box seat, establish the junction box seat with the rain-proof cover of wiring case lid junction, establish in the rain-proof cover and respectively the rigid coupling be in the junction box seat with first connecting plate and second connecting plate on the wiring case lid still include two run through the fixing bolt of first connecting plate and second connecting plate with fixing bolt screw-thread fit's fastening nut, connect two fastening nut's vibration sealing mechanism, two fixing bolt's screw thread opposite direction. Compared with the prior art, the vibration sealing mechanism is arranged, and the position of the fastening nut is fixed by utilizing the vibration received by the fixing bolt and the fastening nut, so that the first connecting plate and the second connecting plate are combined more tightly, and the sealing effect of the joint of the junction box base and the junction box cover is improved.
Description
Technical Field
The invention relates to the technical field of motor equipment, in particular to a sealing structure of a wiring box of an explosion-proof motor.
Background
At present, the rain-proof cover of junction box of current flame-proof motor is mostly the steel sheet square, can't cover totally sealedly to the seam crossing that constitutes the junction box of junction box seat and junction box lid, and rain-proof effect is poor, and current flame-proof motor junction box seal structure is like a flame-proof motor junction box seal structure that patent number CN211830428U announced. The technical key points of the intelligent terminal box are that the intelligent terminal box comprises a terminal box base, a sealing rainproof cover and a terminal box cover, wherein the terminal box cover covers the terminal box base, and the joint of the terminal box base and the terminal box cover is provided with the sealing rainproof cover. The utility model discloses a junction box seat and junction box lid are right through sealed rain-proof cover the junction box with the seam crossing of junction box lid, flame proof faying face part seals promptly. Through many times of experiments, the structure has a good effect on preventing water leakage of the explosion-proof motor junction box, is more attractive than the original steel plate square structure, and is light in weight and convenient to install. The waterproof sealing cover has good ductility, so that the joint surface part of the junction box base and the junction box cover can be well and firmly sealed, and the explosion-proof motor junction box waterproof structure designed at this time has a very good prospect. However, the nut of this structure is easily loosened after the motor vibrates, and the sealing effect is poor.
Disclosure of Invention
The invention aims to provide a sealing structure of a junction box of an explosion-proof motor, which aims to solve the problems in the background technology.
The technical solution of the invention is as follows: the utility model provides a flame proof motor junction box seal structure, includes the junction box seat, establishes wiring case lid on the junction box seat, establish the junction box seat with the rain-proof cover of wiring case lid junction, establish in the rain-proof cover and respectively the rigid coupling be in the junction box seat with first connecting plate and second connecting plate on the wiring case lid still include two run through the fixing bolt of first connecting plate and second connecting plate with fixing bolt screw-thread fit's fastening nut, connect two fastening nut's vibration sealing mechanism, two fixing bolt's screw thread opposite direction.
As preferred, the vibration sealing mechanism include with fastening nut can dismantle the supporting part of connection, connect two the bottom plate of supporting part, establish branch, the cover at bottom plate middle part are established spring on the branch, with spring top fixed connection's vibrating mass, establish the inclined plane of vibrating mass both sides, run through the bracing piece and with inclined plane sliding connection's push rod, establishing the push rod is kept away from the atress piece of inclined plane one end, the atress piece with fastening nut contacts.
Preferably, the supporting part comprises a guide rod, a through hole penetrating through the guide rod and used for the sliding of the push rod, a connecting plate arranged at the top of the guide rod, a hanging groove arranged at the end part of the connecting plate, and a convex block arranged on the fastening nut and matched with the hanging groove in an inserting manner.
Preferably, the axial axis of the hanging groove is perpendicular to the length extension direction of the push rod.
Preferably, the cross-sectional width of the force receiving block is gradually reduced toward the push rod by the fastening nut.
Preferably, a plurality of balls are embedded in the push rod.
Preferably, the support rod is in contact with the vibrating mass when the vibrating mass is at rest.
The invention has the beneficial effects that:
compared with the prior art, the vibration sealing mechanism is arranged, and the position of the fastening nut is fixed by utilizing the vibration received by the fixing bolt and the fastening nut, so that the first connecting plate and the second connecting plate are combined more tightly, and the sealing effect of the joint of the junction box base and the junction box cover is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of the present invention in use;
Detailed Description
The invention is further illustrated by the following examples in connection with the accompanying drawings.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
In the embodiment, as shown in fig. 1-3, a sealing structure of a junction box of an explosion-proof motor comprises a junction box base 1, a junction box cover 2 arranged on the junction box base 1, a rain cover 3 arranged at the joint of the junction box base 1 and the junction box cover 2, a first connecting plate 4 and a second connecting plate 5 which are arranged in the rain cover 3 and are respectively and fixedly connected on the junction box base 1 and the junction box cover 2, two fixing bolts 6 penetrating through the first connecting plate 4 and the second connecting plate 5, fastening nuts 7 in threaded fit with the fixing bolts 6, and a vibration sealing mechanism 8 connecting the two fastening nuts 7, wherein the thread directions of the two fixing bolts 6 are opposite, the vibration sealing mechanism 8 is arranged, and the positions of the fastening nuts 7 are fixed by utilizing the vibration received by the fixing bolts 6 and the fastening nuts 7, therefore, the first connecting plate 4 and the second connecting plate 5 are combined more tightly, and the sealing effect on the joint of the junction box base 1 and the junction box cover 2 is improved.
Further, the vibration sealing mechanism 8 includes with fastening nut 7 can dismantle the support portion 801 of connection, connect two bottom plate 802 of support portion 801, establish branch 803 at bottom plate 802 middle part, cover establish spring 804 on branch 803, with the vibrating mass 805 of spring 804 top fixed connection, establish inclined plane 806 of vibrating mass 805 both sides, run through bracing piece 801 and with inclined plane 806 sliding connection's push rod 807, establish push rod 807 keeps away from the atress piece 808 of inclined plane 806 one end, atress piece 808 with fastening nut 7 contact, fastening nut 7 vibration makes push rod 807 promote vibrating mass 805 vibration from top to bottom to repeatedly act on branch 803, and then make support portion 801 drive fastening nut 7 and constantly screw, avoid fastening nut 7 to become flexible, improve sealed effect.
Further, the supporting portion 801 includes a guiding rod 80101, a through hole 80102 penetrating the guiding rod 80101 for the sliding of the pushing rod 807, a connecting plate 80103 disposed on the top of the guiding rod 80101, a hanging groove 80104 disposed at an end of the connecting plate 80103, and a protrusion 80105 disposed on the fastening nut 7 and mating with the hanging groove 80104, preferably, a surface of the protrusion 80105 on the fastening nut 7 and a contact surface of the force-receiving block 808 and the fastening nut 7 are adjacent.
Further, an axial axis line of the hanging groove 80104 is perpendicular to a length extending direction of the push rod 807.
Further, the cross-sectional width of the force receiving block 808 is gradually reduced from the fastening nut 7 toward the push rod 807.
Further, in order to ensure the sliding of the push rod 807 at the through hole 80102 and realize the vibration of the vibration block 805, a plurality of balls 809 are embedded on the push rod 807.
Further, in order to ensure that vibration block 805 can act on supporting rod 803 after vibrating, so that supporting portion 801 can fix the position of fastening nut 7, when vibrating block 805 is at rest, supporting rod 803 and vibrating block 805 are in contact.
Claims (7)
1. The utility model provides a flame proof motor junction box seal structure, includes junction box seat (1), establishes wiring case lid (2) on junction box seat (1), establish junction box seat (1) with rain-proof cover (3) of wiring case lid (2) junction, establish in rain-proof cover (3) and respectively the rigid coupling be in junction box seat (1) with first connecting plate (4) and second connecting plate (5) on wiring case lid (2), its characterized in that: the vibration sealing device is characterized by further comprising two fixing bolts (6) penetrating through the first connecting plate (4) and the second connecting plate (5), fastening nuts (7) in threaded fit with the fixing bolts (6), and a vibration sealing mechanism (8) connecting the two fastening nuts (7), wherein the thread directions of the two fixing bolts (6) are opposite.
2. The sealing structure of the explosion-proof motor junction box of claim 1, which is characterized in that: vibration sealing mechanism (8) include with fastening nut (7) can dismantle supporting part (801) of connecting, connect two bottom plate (802) of supporting part (801), establish branch (803) at bottom plate (802) middle part, cover establish spring (804) on branch (803) with spring (804) top fixed connection's vibrating mass (805), establish inclined plane (806) of vibrating mass (805) both sides, run through bracing piece (801) and with inclined plane (806) sliding connection's push rod (807), establish push rod (807) are kept away from the atress piece (808) of inclined plane (806) one end, atress piece (808) with fastening nut (7) contact.
3. The sealing structure of the explosion-proof motor junction box of claim 2, characterized in that: the supporting portion (801) comprises a guide rod (80101), a through hole (80102) penetrating through the guide rod (80101) and used for the push rod (807) to slide, a connecting plate (80103) arranged at the top of the guide rod (80101), a hanging groove (80104) arranged at the end portion of the connecting plate (80103), and a bump (80105) arranged on the fastening nut (7) and in plug fit with the hanging groove (80104).
4. The sealing structure of the explosion-proof motor junction box of claim 3, characterized in that: the axial axis line of the hanging groove (80104) is perpendicular to the length extension direction of the push rod (807).
5. The sealing structure of the explosion-proof motor junction box of claim 2, characterized in that: the cross-sectional width of the force bearing block (808) is gradually reduced from the fastening nut (7) to the push rod (807).
6. The sealing structure of the explosion-proof motor junction box of claim 2, characterized in that: a plurality of balls (809) are embedded on the push rod (807).
7. The sealing structure of the explosion-proof motor junction box of claim 2, characterized in that: when the vibrating block (805) is at rest, the supporting rod (803) is in contact with the vibrating block (805).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696467.4A CN113364195B (en) | 2021-06-23 | 2021-06-23 | Explosion-proof motor junction box sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110696467.4A CN113364195B (en) | 2021-06-23 | 2021-06-23 | Explosion-proof motor junction box sealing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113364195A true CN113364195A (en) | 2021-09-07 |
| CN113364195B CN113364195B (en) | 2023-02-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110696467.4A Active CN113364195B (en) | 2021-06-23 | 2021-06-23 | Explosion-proof motor junction box sealing structure |
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| Country | Link |
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| CN (1) | CN113364195B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180100535A1 (en) * | 2016-10-12 | 2018-04-12 | Yazaki Corporation | Fixing structure and electrical connection box |
| CN210769781U (en) * | 2019-07-15 | 2020-06-16 | 中航光电科技股份有限公司 | Novel bolt anti-loosening sealing assembly |
| CN211830428U (en) * | 2020-02-21 | 2020-10-30 | 佳木斯电机股份有限公司 | Explosion-proof type motor junction box sealing structure |
| CN212304969U (en) * | 2020-07-13 | 2021-01-05 | 新乡市通用电机有限公司 | Lateral plate vibration motor with waterproof function |
-
2021
- 2021-06-23 CN CN202110696467.4A patent/CN113364195B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180100535A1 (en) * | 2016-10-12 | 2018-04-12 | Yazaki Corporation | Fixing structure and electrical connection box |
| CN107947069A (en) * | 2016-10-12 | 2018-04-20 | 矢崎总业株式会社 | Fixture construction and electric circuit connection container |
| CN210769781U (en) * | 2019-07-15 | 2020-06-16 | 中航光电科技股份有限公司 | Novel bolt anti-loosening sealing assembly |
| CN211830428U (en) * | 2020-02-21 | 2020-10-30 | 佳木斯电机股份有限公司 | Explosion-proof type motor junction box sealing structure |
| CN212304969U (en) * | 2020-07-13 | 2021-01-05 | 新乡市通用电机有限公司 | Lateral plate vibration motor with waterproof function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113364195B (en) | 2023-02-28 |
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