CN206283373U - The attachment structure of connection box for motor - Google Patents
The attachment structure of connection box for motor Download PDFInfo
- Publication number
- CN206283373U CN206283373U CN201621458150.8U CN201621458150U CN206283373U CN 206283373 U CN206283373 U CN 206283373U CN 201621458150 U CN201621458150 U CN 201621458150U CN 206283373 U CN206283373 U CN 206283373U
- Authority
- CN
- China
- Prior art keywords
- rod
- sealing shroud
- connecting hole
- thread segment
- attachment structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 63
- 239000013536 elastomeric material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Motor Or Generator Frames (AREA)
Abstract
The utility model provides a kind of attachment structure of connection box for motor, belongs to field of mechanical technique.It solves the problems, such as that existing connection box for motor screw in mounting and dismounting lines easily drops and causes motor to be damaged.The attachment structure of this connection box for motor, including the connecting seat, the connecting hole in connecting seat and the screw that is arranged in connecting hole that are respectively arranged at terminal box corner, screw includes the body of rod, the head located at body of rod one end and located at the body of rod other end with externally threaded thread segment, external diameter of the external diameter of thread segment more than the body of rod, the sealing shroud coordinated with body of rod sealing is arranged with the body of rod, sealing shroud is positioned at connecting hole towards one end of thread segment and sealing shroud seals connecting hole completely.The utility model has the advantages that the anti-screw effect that drops is good, and connection sealing can be improved again.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of connection box for motor, particularly a kind of connection box for motor
Attachment structure.
Background technology
In the prior art, wiring hole is offered on the side wall of pump case, wiring hole is used to wear the lead-out wire of motor, is anti-
Sealing is entered into pump case through wiring hole, and conventional way is that terminal box is set on pump case, and wiring board, water are set in terminal box
The circumscripted power line of pump motor is connected after passing through terminal box with wiring board, and the lead-out wire of motor is also connected with wiring board.It is existing
Terminal box is connected by plain screw with pump case, motor when safeguarding, checking and access external power supply, it is necessary to open terminal box,
In this process, the screw of link box is easy to drop, and the lighter can not find the screw for dropping, and severe one screw can drop
In stepper motor winding, it is likely that cause motor damage, larger economic loss is caused.
To solve the above problems, Chinese patent discloses a kind of motor terminal box lid self-locking device [Application No.：
201310079664.7], including connector cover, bolt is screwed with connector cover, packing ring, the bolt of connector cover is cased with bolt
Hole bottom is the cylinder hole with diameter greater than diameter of bolt hole, and bolt tightens the rubber ring for being cased with being located in cylinder hole, rubber ring
Thickness with the distance between packing ring less than connector cover.
Although above-mentioned motor terminal box lid self-locking device solve when connecing, taking out stitches bolt easily drop cause it is fragile
The problem of machine.But it is only applicable to common electric machine, do not applied to then for pump motor, be mainly reflected in bolt is with bolt hole
Gap coordinates, and bolt hole lower section sets the cylinder hole being relatively large in diameter, and extraneous water energy is by the gap between bolt and bolt hole
Enter into cylinder hole, although being provided with has gap between rubber ring, but rubber ring and cylinder hole, water can enter into terminal box
Interior, waterproof effect is poor, so as to influence the service life of motor.
The content of the invention
The purpose of this utility model is directed to existing technology and there is above mentioned problem, it is proposed that a kind of anti-screw drops effect
The attachment structure of connection box for motor good and that connection sealing can be improved.
The purpose of this utility model can be realized by following technical proposal：
The attachment structure of this connection box for motor, including be respectively arranged on connecting seat at terminal box corner, in connecting seat
Connecting hole and the screw that is arranged in connecting hole, it is characterised in that described screw includes the body of rod, the bar located at body of rod one end
Head and located at the body of rod other end with externally threaded thread segment, the external diameter of the external diameter more than the body of rod of the thread segment is described
Be arranged with the sealing shroud coordinated with body of rod sealing on the body of rod, described sealing shroud be positioned at connecting hole towards one end of thread segment and
Sealing shroud seals connecting hole completely.
In the attachment structure of above-mentioned connection box for motor, described terminal box has and is connected towards one end of thread segment
Hole corresponds the locating slot for setting, and the cross section of the sealing shroud is identical with the cross section of locating slot and tightly fits in locating slot
Interior, described connecting hole is located at the bottom of corresponding locating slot.
In the attachment structure of above-mentioned connection box for motor, the middle part of the sealing shroud has internal diameter slightly larger than outside thread segment
The through hole in footpath, the internal diameter that the middle part of the through hole has radially-inwardly raised annular boss, the annular boss is equal to the body of rod
External diameter.
In the attachment structure of above-mentioned connection box for motor, described terminal box has circular connecing towards one end of thread segment
The link slot that line box is set, above-mentioned locating slot intersects setting, the groove depth of the link slot and the groove of locating slot with the link slot
Deep equal, there be and the integrally formed sealing ring of sealing shroud, thickness and the sealing of the sealing ring tight fit in described link slot
The thickness of set is equal.
In the attachment structure of above-mentioned connection box for motor, the groove depth of the thickness more than locating slot of the sealing shroud.
In the attachment structure of above-mentioned connection box for motor, described sealing shroud is made up with sealing ring of elastomeric material.
First by sealing ring and sealing shroud be integrally encased in terminal box link slot and locating slot and tight fit, sealing ring and
The part protrusion terminal box of sealing shroud, then passes through connecting hole by screw, and thread segment passes through ring when aligned through holes push hard screw
Shape boss (is made up, with elasticity) of elastomeric material, when thread segment is completely by the way that after annular boss, annular boss is in its own resilient
Effect is lower to be resetted, with the complete gluing, sealing of the body of rod.Terminal box is installed again, is screwed screw, installed rear sealing shroud and close
Seal ring is compacted, and plays sealing function, and the water outside terminal box cannot be introduced into terminal box, effectively extends and uses the longevity
Life.Another thread segment is resisted against on annular boss, can prevent toner screw.
Compared with prior art, the attachment structure of this connection box for motor has advantages below：
Its reasonable in design, is manufactured and easy to connect, can prevent screw from dropping after connecting, and terminal box can be improved again
Degree of protection, its degree of protection can reach IPX5 and more than, effectively increase the service life of motor, can effectively prevent during dismounting
Only screw drops, and improves the security of motor, is easy to installation, detection and the maintenance of motor.
Brief description of the drawings
Fig. 1 is a kind of structural representation of preferred embodiment that the utility model is provided.
Fig. 2 is the partial sectional view of the preferred embodiment that the utility model is provided.
Fig. 3 is a kind of upward view of preferred embodiment that the utility model is provided.
Fig. 4 is the schematic diagram of few sealing ring and sealing shroud in Fig. 3 that the utility model is provided.
In figure, 1, terminal box；2nd, connecting seat；3rd, connecting hole；41st, the body of rod；42nd, head；43rd, thread segment；5th, sealing shroud；6、
Locating slot；7th, annular boss；8th, link slot；9th, sealing ring.
Specific embodiment
The following is specific embodiment of the utility model and with reference to accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
The attachment structure of connection box for motor as shown in Figure 1, including be respectively arranged on connecting seat 2 at 1 four jiaos of terminal box, set
In the connecting hole 3 in connecting seat 2 and the screw being arranged in connecting hole 3.As shown in Fig. 2 screw is including the body of rod 41, located at the body of rod
The head 42 of 41 one end and located at the other end of the body of rod 41 with externally threaded thread segment 43, the external diameter of thread segment 43 is more than the body of rod
41 external diameter, is arranged with the sealing shroud 5 coordinated with the sealing of the body of rod 41 on the body of rod 41, sealing shroud 5 is positioned at connecting hole 3 towards screw thread
Section 43 one end and sealing shroud 5 seals connecting hole 3 completely.
As shown in figure 4, terminal box 1 has the locating slot for being corresponded with connecting hole 3 and being set towards one end of thread segment 43
6, the cross section of sealing shroud 5 is identical with the cross section of locating slot 6 and tightly fits in locating slot 6, and connecting hole 3 is located at and corresponds to therewith
Locating slot 6 bottom.
As shown in Fig. 2 the middle part of sealing shroud 5 has internal diameter slightly larger than the through hole of the external diameter of thread segment 43, the middle part tool of through hole
There is radially-inwardly raised annular boss 7, the internal diameter of annular boss 7 is equal to the external diameter of the body of rod 41.
As shown in figure 4, terminal box 1 has the link slot 8 set around terminal box 1, positioning towards one end of thread segment 43
Groove 6 intersects setting with the link slot 8, and the groove depth of link slot 8 is equal with the groove depth of locating slot 6, as shown in figure 3, tight in link slot 8
Be combined with the integrally formed sealing ring 9 of sealing shroud 5, the thickness of sealing ring 9 is equal with the thickness of sealing shroud 5.
In the present embodiment, the groove depth of the thickness more than locating slot 6 of sealing shroud 5.
Sealing shroud 5 is made up with sealing ring 9 of elastomeric material.
Sealing ring 9 and sealing shroud 5 are integrally encased in the link slot 8 and locating slot 6 and tight fit of terminal box 1 first, it is close
The part protrusion terminal box 1 of seal ring 9 and sealing shroud 5, then passes through connecting hole 3, spiral shell when aligned through holes push hard screw by screw
Line section 43 passes through annular boss 7 (being made up of elastomeric material, with elasticity), after thread segment 43 passes through annular boss 7 completely, ring
Shape boss 7 resets under its own resilient effect, with the complete gluing, sealing of the body of rod 41.Terminal box 1 is installed again, is screwed spiral shell
Nail, installs rear sealing shroud 5 and sealing ring 9 is compacted, and plays sealing function, and the water outside terminal box 1 cannot be introduced into
In terminal box 1, service life is effectively extended.Another thread segment 43 is resisted against on annular boss 7, can prevent toner screw.
Specific embodiment described herein is only to the utility model spirit explanation for example.The utility model institute
Category those skilled in the art can make various modifications or supplement or using similar to described specific embodiment
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (6)
1. a kind of attachment structure of connection box for motor, including be respectively arranged on connecting seat (2) at terminal box (1) corner, located at even
Connecting hole (3) in joint chair (2) and the screw being arranged in connecting hole (3), it is characterised in that described screw includes the body of rod
(41), located at the head (42) of the body of rod (41) one end and located at the body of rod (41) other end with externally threaded thread segment (43),
The external diameter of the thread segment (43) is arranged with the described body of rod (41) and matches somebody with somebody with the body of rod (41) sealing more than the external diameter of the body of rod (41)
The sealing shroud (5) of conjunction, described sealing shroud (5) is positioned at connecting hole (3) towards one end of thread segment (43) and sealing shroud (5) is complete
Seal connecting hole (3) entirely.
2. the attachment structure of connection box for motor according to claim 1, it is characterised in that described terminal box (1) direction
One end of thread segment (43) has the locating slot (6) for being corresponded with connecting hole (3) and being set, the cross section of the sealing shroud (5)
Identical with the cross section of locating slot (6) and tightly fit in locating slot (6), described connecting hole (3) is located at corresponding fixed
The bottom of position groove (6).
3. the attachment structure of connection box for motor according to claim 1 and 2, it is characterised in that in the sealing shroud (5)
Portion has internal diameter slightly larger than the through hole of thread segment (43) external diameter, and the middle part of the through hole has radially-inwardly raised annular boss
(7), the internal diameter of the annular boss (7) is equal to the external diameter of the body of rod (41).
4. the attachment structure of connection box for motor according to claim 2, it is characterised in that described terminal box (1) direction
One end of thread segment (43) has the link slot (8) set around terminal box (1), above-mentioned locating slot (6) and the link slot (8)
Intersecting to set, the groove depth of the link slot (8) is equal with the groove depth of locating slot (6), described link slot (8) interior tight fit have with
Sealing shroud (5) integrally formed sealing ring (9), the thickness of the sealing ring (9) is equal with the thickness of sealing shroud (5).
5. the attachment structure of connection box for motor according to claim 4, it is characterised in that the thickness of the sealing shroud (5)
More than the groove depth of locating slot (6).
6. the attachment structure of connection box for motor according to claim 4, it is characterised in that described sealing shroud (5) with it is close
Seal ring (9) is made up of elastomeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458150.8U CN206283373U (en) | 2016-12-28 | 2016-12-28 | The attachment structure of connection box for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621458150.8U CN206283373U (en) | 2016-12-28 | 2016-12-28 | The attachment structure of connection box for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206283373U true CN206283373U (en) | 2017-06-27 |
Family
ID=59072125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621458150.8U Expired - Fee Related CN206283373U (en) | 2016-12-28 | 2016-12-28 | The attachment structure of connection box for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206283373U (en) |
-
2016
- 2016-12-28 CN CN201621458150.8U patent/CN206283373U/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: 20170627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |