CN212991883U - Threading sealing structure of frequency conversion all-in-one machine - Google Patents
Threading sealing structure of frequency conversion all-in-one machine Download PDFInfo
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- CN212991883U CN212991883U CN202021884845.9U CN202021884845U CN212991883U CN 212991883 U CN212991883 U CN 212991883U CN 202021884845 U CN202021884845 U CN 202021884845U CN 212991883 U CN212991883 U CN 212991883U
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- fixing plate
- threading
- frequency conversion
- accommodating groove
- cable
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Abstract
A threading sealing structure of a frequency conversion all-in-one machine comprises a first fixing plate and a second fixing plate; the rear side cover of the first fixing plate is arranged on the threading opening; the front side cover of the second fixing plate is arranged on the threading opening, and the front side end face is attached to the rear side end face of the first fixing plate; a first accommodating groove is formed in the rear side of the first fixing plate, a second accommodating groove is formed in the front side of the second fixing plate, and a threading hole is formed by the first accommodating groove and the second accommodating groove; the first fixing plate and the second fixing plate are connected through a second bolt. The utility model discloses a frequency conversion all-in-one threading seal structure through installing first fixed plate and second fixed plate on the threading mouth, covers the threading mouth, prevents that device from getting into the motor in the converter, avoids consequently forming the potential safety hazard. First fixed plate and second fixed plate can carry out the centre gripping to the cable that passes the through wires mouth fixed, make cable holding position stable, avoid the cable to remove the interact that forms stranded cable, lead to motor and converter unable complete integration.
Description
Technical Field
The utility model belongs to the electrical equipment field especially relates to a frequency conversion all-in-one threading seal structure.
Background
The frequency conversion all-in-one machine is mainly characterized in that a motor and a frequency converter are integrated, and cables, control lines and the like enter the frequency converter through a threading opening in a motor shell.
Present frequency conversion all-in-one goes out not to set up sealed protection at the threading mouth, leads to when converter and motor equipment, and inside device of frequency conversion and fastener probably can get into the motor through the threading mouth inside, and the motor has been assembled to the completion this moment, and the threading mouth is very close apart from the stator and the rotor of motor, and the device that gets into the motor inside can produce the potential safety hazard, clears up these devices, probably needs the quick-witted equipment of tearing again, wastes time and energy.
In order to solve the problems, the threading plate is additionally arranged at the threading opening of the frequency conversion shell and the motor of the partial frequency conversion all-in-one machine, although the threading opening can be blocked, each cable needs to penetrate through the threading plate, the cables are very long and are more in number, the threading is very troublesome and not easy to operate, and when the motor is assembled with the frequency converter, the motor and the frequency converter can not be completely combined possibly due to the interaction of multiple cables.
SUMMERY OF THE UTILITY MODEL
The utility model discloses there is the threading mouth to have the shutoff to have potential safety hazard, the trouble problem of threading to above-mentioned current frequency conversion all-in-one, provide one kind can quick shutoff threading mouth and easy frequency conversion all-in-one threading seal structure of threading equipment.
In order to achieve the above object, the utility model discloses a technical scheme be:
a threading sealing structure of a frequency conversion integrated machine is used for sealing a threading opening of the frequency conversion integrated machine, the threading opening is positioned on a flange arranged on a motor shell and comprises a first fixing plate and a second fixing plate;
the front side of the first fixing plate is attached to the flange and fixedly connected with the flange through a first bolt;
the rear side cover of the first fixing plate is arranged on the threading opening;
the rear side of the second fixing plate is attached to the flange, the front side cover is arranged on the threading opening, and the front side end face is attached to the rear side end face of the first fixing plate;
a semicircular first accommodating groove is formed in the end face of the rear side of the first fixing plate, a semicircular second accommodating groove is formed in the end face of the front side of the second fixing plate, and the first accommodating groove is aligned with the second accommodating groove and used for forming a threading hole through which a cable can pass;
the first fixing plate and the second fixing plate are connected through a second bolt so that the first accommodating groove and the second accommodating groove can clamp the cable penetrating through the threading hole in an encircling mode.
Preferably, the top of the rear end surface of the first fixing plate is provided with a pressing portion, the bottom of the front end surface of the second fixing plate is provided with a protruding portion, and the pressing portion is pressed and fixed on the protruding portion.
Preferably, an assembly groove is formed in a rear end face of the second fixing plate, and heads of the second bolts are located in the assembly groove.
Preferably, the rubber mats are arranged on the inner walls of the first accommodating groove and the second accommodating groove.
Preferably, the frequency converter shell of the frequency conversion all-in-one machine falls on the flange and is fixedly connected with the flange through a connecting bolt, a communication port is formed in the shell, and the first fixing plate and the second fixing plate are located in the communication port.
Compared with the prior art, the utility model discloses an advantage lies in with positive effect:
the utility model discloses a frequency conversion all-in-one threading seal structure through installing first fixed plate and second fixed plate on the threading mouth, covers the threading mouth, prevents that device from getting into the motor in the converter, avoids consequently forming the potential safety hazard.
First fixed plate and second fixed plate can carry out the centre gripping to the cable that passes the through wires mouth fixed, make cable holding position stable, avoid the cable to remove the interact that forms stranded cable, lead to motor and converter unable complete integration.
Through the dismouting of second fixed plate, can accomplish threading cable's fixed, convenient operation makes the threading operation easier.
The tip of first fixed plate and second fixed plate all is provided with bellied structure to make two connecting plate plug-in connection, improve the leakproofness of connecting portion, play explosion-proof effect, guarantee the interior device safety of converter. The pressfitting portion of first fixed plate can form to press to hold fixedly to the protruding portion of second fixed plate to what make the second fixed plate can be firm presses on the flange, covers the through wires mouth, improves the leakproofness in gap between its and the flange, further improves explosion-proof effect.
The second fixed plate is provided with an assembling groove for accommodating the bolt and preventing the bolt from occupying space. Install the cushion in two holding tanks, can improve the fastness of threading cable to the centre gripping dynamics of embracing of cable through elastic deformation. The fixed plate is located the intercommunication mouth, and make full use of frequency conversion all-in-one inner space reduces its occupation to inner space, prevents to lay to internal device and forms the hindrance.
Drawings
FIG. 1 is a schematic structural view of a fixing plate part of a threading sealing structure of a frequency conversion all-in-one machine;
FIG. 2 is a top view structural diagram of the threading sealing structure of the frequency conversion all-in-one machine after a top plate of a shell is hidden;
FIG. 3 is a cross-sectional structural view of a threading sealing structure of the frequency conversion all-in-one machine;
in the above figures: 11. a threading opening; 12. a housing; 13. a flange; 14. a housing; 15. a communication port; 21. a first fixing plate; 22. a second fixing plate; 23. a press-fit portion; 24. a protrusion; 25. assembling a groove; 31. a first bolt; 32. a second bolt; 33. a connecting bolt; 4. threading holes; 41. a first accommodating groove; 42. a second accommodating groove; 5. a rubber pad.
Detailed Description
The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the utility model provides a frequency conversion all-in-one machine threading seal structure for the through wires mouth 11 of frequency conversion all-in-one machine seals. The shell 12 of the motor is fixedly connected with the shell 14 of the frequency converter, the threading opening 11 is positioned on a flange 13 arranged on the shell 12 of the motor, and the flange 13 is used for connecting the shell 14 of the frequency converter.
The threading sealing structure of the frequency conversion all-in-one machine comprises a first fixing plate 21 and a second fixing plate 22.
The surface of the front side of the first fixing plate 21 abuts on the surface of the flange 13, and the front side of the first fixing plate 21 is fixedly connected to the flange 13 by the first bolt 31.
The rear side of the first fixing plate 21 is covered on the threading opening 11.
The second fixing plate 22 is located on the rear side of the first fixing plate 21, and the surface of the rear side of the second fixing plate 22 abuts on the surface of the flange 13.
The front side cover of second fixed plate 22 pastes each other on threading mouth 11, the terminal surface behind the terminal surface of second fixed plate 22 front side and the first fixed plate 21 and leans on to splice first fixed plate 21 and second fixed plate 22, form a plate and with the complete closing cap of threading mouth 11, prevent that device gets into the motor in the converter, prevent to cause the potential safety hazard.
A semicircular first receiving groove 41 is formed in a rear end surface of the first fixing plate 21, a semicircular second receiving groove 42 is formed in a front end surface of the second fixing plate 22, and the first receiving groove 41 is aligned with the second receiving groove 42.
After the first fixing plate 21 and the second fixing plate 22 are spliced, the aligned first receiving groove 41 and second receiving groove 42 form a threading hole 4 between the two fixing plates for receiving a cable connected between the frequency converter and the motor, so that the cable passes through the threading sealing structure.
The first fixing plate 21 and the second fixing plate 22 are fixedly connected by the second bolt 32, so that the front end face of the second fixing plate 22 is more closely attached to the rear end face of the first fixing plate 21.
Because the external diameter of cable slightly is greater than the internal diameter of holding tank, the crust of cable adopts and makes with elastic rubber, and after first holding tank 41 and second holding tank 42 were put into to the cable, the bolted connection of first fixed plate 21 and second fixed plate 22 made first holding tank 41 inner wall and second holding tank 42 inner wall can form the centre gripping fixed to the cable that passes through wires hole 4, fixed firm with the cable, avoid the cable to remove, prevent consequently to cause the cable winding.
During the cable threading, can pull down second fixed plate 22 earlier, will pass the cable of through wires mouth 11 and put into first holding tank 41 earlier, again with second fixed plate 22 dress to make the cable get into second holding tank 42, two holding tanks encircle the cable, and the centre gripping is fixed, and the threading installation of cable is comparatively convenient, easy operation.
In order to further improve the tightness of the joint between the first fixing plate 21 and the second fixing plate 22 after splicing, a convex pressing portion 23 is provided at the top of the rear end surface of the first fixing plate 21, and a convex protrusion 24 is provided at the bottom of the front end surface of the second fixing plate 22.
The pressing portion 23 is pressed and fixed on the protrusion portion 24, so that the end portion of the first fixing plate 21 on the rear side is pressed and fixed on the end portion of the second fixing plate 22 on the front side, and the second fixing plate 22 is pressed on the surface of the flange 13 more firmly, and the gap between the two is sealed.
The protruding portion 24 is located below the pressing portion 23, so that the protruding portion is inserted into a space between the pressing portion 23 and the surface of the flange 13, and a joint between the first fixing plate 21 and the second fixing plate 22 after being spliced is tighter, and the sealing performance is stronger.
Leakproofness reinforcing between the fixed plate, leakproofness reinforcing between fixed plate and the flange makes two fixed plates can be inseparable seal threading mouth 11, improves explosion-proof performance.
In order to reduce the occupation of the space, the end face of the rear side of the second fixing plate 22 is provided with an assembling groove 25, and the heads of the second bolts 32 are all positioned in the assembling groove 25, so that the second bolts 32 are hidden and installed, and are prevented from protruding to occupy the space inside the frequency conversion all-in-one machine.
In order to improve the firmness of the cable, the rubber pads 5 are mounted on the inner walls of the first accommodating groove 41 and the second accommodating groove 42.
After the cable is packed into first holding tank 41 and second holding tank 42, can contact and extrude cushion 5, make cushion 5 produce elastic deformation, and then the elasticity that makes cushion 5 produce can be more firm encircle the cable, improve the fastness of cable.
In order to make full use of the space in the frequency conversion integrated machine, the housing 14 of the frequency converter is dropped onto the flange 13 and is fastened by means of connecting bolts 33. The housing 14 is provided with a communication port 15, the communication port 15 is aligned with the threading port 11, and the first fixing plate 21 and the second fixing plate 22 are both located in the communication port 14.
Claims (5)
1. A threading sealing structure of a frequency conversion all-in-one machine is used for sealing a threading opening (11) of the frequency conversion all-in-one machine, the threading opening (11) is positioned on a flange (13) arranged on a motor shell (12), and the threading sealing structure is characterized by comprising a first fixing plate (21) and a second fixing plate (22);
the front side of the first fixing plate (21) is attached to the flange (13) and fixedly connected with the flange (13) through a first bolt (31);
the rear side cover of the first fixing plate (21) is arranged on the threading opening (11);
the rear side of the second fixing plate (22) is attached to the flange (13), the front side cover is attached to the threading opening (11), and the front side end face is attached to the rear side end face of the first fixing plate (21);
a semicircular first accommodating groove (41) is formed in the end face of the rear side of the first fixing plate (21), a semicircular second accommodating groove (42) is formed in the end face of the front side of the second fixing plate (22), and the first accommodating groove (41) is aligned with the second accommodating groove (42) and used for forming a threading hole (4) through which a cable can pass;
the first fixing plate (21) is connected with the second fixing plate (22) through a second bolt (32) so that the first accommodating groove (41) and the second accommodating groove (42) can clamp the cable passing through the threading hole (4) in an encircling mode.
2. The threading and sealing structure of the frequency conversion all-in-one machine is characterized in that a stitching part (23) is arranged at the top of the rear end face of the first fixing plate (21), a protruding part (24) is arranged at the bottom of the front end face of the second fixing plate (22), and the stitching part (23) is fixedly pressed on the protruding part (24).
3. The threading and sealing structure of the frequency conversion all-in-one machine is characterized in that an assembly groove (25) is formed in the end face of the rear side of the second fixing plate (22), and the head of the second bolt (32) is located in the assembly groove (25).
4. The threading and sealing structure of the frequency conversion all-in-one machine according to claim 1, characterized in that the inner walls of the first accommodating groove (41) and the second accommodating groove (42) are provided with rubber pads (5).
5. The threading and sealing structure of the frequency conversion all-in-one machine is characterized in that a frequency converter shell (14) of the frequency conversion all-in-one machine is dropped on a flange (13) and fixedly connected through a connecting bolt (33), the shell (14) is provided with a communication opening (15), and the first fixing plate (21) and the second fixing plate (22) are both positioned in the communication opening (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884845.9U CN212991883U (en) | 2020-09-01 | 2020-09-01 | Threading sealing structure of frequency conversion all-in-one machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021884845.9U CN212991883U (en) | 2020-09-01 | 2020-09-01 | Threading sealing structure of frequency conversion all-in-one machine |
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| Publication Number | Publication Date |
|---|---|
| CN212991883U true CN212991883U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021884845.9U Active CN212991883U (en) | 2020-09-01 | 2020-09-01 | Threading sealing structure of frequency conversion all-in-one machine |
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| CN (1) | CN212991883U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374178A (en) * | 2021-12-13 | 2022-04-19 | 河北华丰能源科技发展有限公司 | Threading protection device |
-
2020
- 2020-09-01 CN CN202021884845.9U patent/CN212991883U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114374178A (en) * | 2021-12-13 | 2022-04-19 | 河北华丰能源科技发展有限公司 | Threading protection device |
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