CN211082528U - Split type motor valve and valve gap filling device - Google Patents
Split type motor valve and valve gap filling device Download PDFInfo
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- CN211082528U CN211082528U CN201921509310.0U CN201921509310U CN211082528U CN 211082528 U CN211082528 U CN 211082528U CN 201921509310 U CN201921509310 U CN 201921509310U CN 211082528 U CN211082528 U CN 211082528U
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- bushing
- connecting piece
- hole
- split
- gap filling
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Abstract
The utility model discloses a split-type motor valve and valve gap filling device, which comprises a first bush, a fastener, a first connecting piece and a second connecting piece; the first bushing has a central through hole; the first connecting piece is provided with a connecting hole; one end of the first bushing is inserted into the connecting hole along the axial direction of the first connecting piece, and the first bushing axially moves in the connecting hole of the first connecting piece; the second connecting piece is positioned at one end of the first bushing, and a gap exists between the first connecting piece and the second connecting piece; the fastener passes through the central through hole of the first bushing and the second connecting piece in sequence. The utility model discloses there is stronger adaptability to inhomogeneous split clearance, can guarantee to leave safe and reliable hookup between installation gap's motor lamella and lamella, improves the whole rigidity and the fatigue resistance ability of split hookup back installation.
Description
Technical Field
The utility model relates to a motor assembly field especially relates to a split type motor lamella and lamella clearance filling device.
Background
In recent years, permanent magnet motors (especially wind power generators) are continuously developed towards high power, the size and the weight of the motors are increased, and the transportation problem is also highlighted. The high-power motor is forced to be developed in the direction of limiting the diameter and increasing the axial length, so that the utilization rate of motor materials is low, the cost is high, and the product competitiveness is reduced.
Therefore, motor valving becomes an important research direction after high power is achieved at present, and a lobe-lobe connecting structure of a valving structure is a key item of valving design.
The existing split connection mostly adopts bolts to directly connect adjacent split, and gaps between the split are not treated or are filled by flat copper sheets. If the gap between the petals is not processed, higher processing precision and assembly precision are needed to ensure that the gap is smaller, and the processing and assembly difficulty is high; if the flat copper sheet is adopted to fill the gap, the uniform gap between the petals needs to be ensured, and the processing and assembling difficulty is higher. After the two structures are connected in a split manner, the integral rigidity is not ideal. Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model discloses a split type motor lamella and lamella clearance filling device, concrete technical scheme is as follows:
on one hand, the utility model provides a split-type motor petal and petal gap filling device, which is characterized in that the device comprises a first bush, a fastener, a first connecting piece and a second connecting piece; the first bushing has a central through hole; the first connecting piece is provided with a connecting hole; one end of the first bushing is inserted into the connecting hole along the axial direction of the first connecting piece, and the first bushing axially moves in the connecting hole of the first connecting piece; the second connecting piece is positioned at one end of the first bushing, and a gap exists between the first connecting piece and the second connecting piece; the fastener passes through the central through hole of the first bushing and the second connecting piece in sequence.
Furthermore, the first bushing is a cylinder, a boss is arranged at the other end of the cylinder, the central through hole penetrates through the boss and the cylinder, an external thread is arranged on the outer surface of the cylinder, an internal thread is arranged in the connecting hole of the first connecting piece, and the external thread of the first bushing is correspondingly connected with the internal thread of the first connecting piece.
Furthermore, the bosses are of opposite side structures; the external threads include full threads and half threads.
Furthermore, the opposite side structure comprises a hexagonal head structure, a four-corner head structure and an octagonal head structure.
Further, the gap filling device further comprises a second bushing, the second bushing is a shell with an inner cavity, an opening and a central hole which are communicated with the inner cavity are formed in the shell, one end, provided with a boss, of the first bushing is accommodated in the inner cavity through the opening, and the opening end of the second bushing is abutted and connected with the first connecting piece.
Further, the housing includes a cylindrical shape and a conical cylinder shape.
Further, the fastener comprises a bolt and a nut; the bolt sequentially penetrates through the central hole of the second bushing, the central through hole of the first bushing and the second connecting piece, and the nut is connected to the bolt and close to the second connecting piece.
Further, the diameter of the open end of the second bushing is larger than the diameter of the boss.
Further, the length of the external thread of the cylindrical body is larger than that of the first connecting piece.
Preferably, the second connecting piece is provided with an internal thread hole, the fastener is a bolt, the internal thread hole is matched with a screw rod of the bolt, and the screw rod of the bolt sequentially penetrates through the central opening of the second bush, the central through hole of the first bush and the second connecting piece and is connected with the internal thread hole on the second connecting piece.
The utility model discloses following beneficial effect has:
the utility model provides a split type motor lamella and lamella clearance filling device fills the clearance between lamella and the lamella, to having stronger adaptability in the inhomogeneous split clearance of connection face, can guarantee to leave safe and reliable hookup between installation clearance's motor lamella and lamella, improves the whole rigidity and the fatigue resistance ability of split hookup back structure.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an apparatus provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the first bushing configuration of FIG. 1;
FIG. 3 is a schematic view of the second bushing of FIG. 1;
FIG. 4 is a schematic structural view of an embodiment of a first bushing structure;
FIG. 5 is a schematic structural view of an embodiment of a first bushing structure;
FIG. 6 is a schematic structural view of an embodiment of a first bushing arrangement;
FIG. 7 is a schematic structural view of an embodiment of a first bushing arrangement;
FIG. 8 is a schematic structural view of an embodiment of a first bushing arrangement;
FIG. 9 is a schematic structural view of an embodiment of a first liner structure;
FIG. 10 is a schematic structural view of an embodiment of a second bushing arrangement;
FIG. 11 is a schematic structural view of an embodiment of a second bushing arrangement;
fig. 12 is a schematic view of the structure in one embodiment of the second bushing structure.
The connecting structure comprises a first bushing, a second bushing, a fastener, a 4-first connecting piece, a 5-second connecting piece, a 6-gap, a 8-screw, a 9-nut, an 11-external thread, a 12-boss, a 13-central through hole, a 21-shell, a 22-central hole, an 23-open end, a 30-cylinder, a 31-cylinder, a 32-cylinder, a 33-cylinder, a 34-cylinder, a 35-cylinder, a 40-boss, a 41-boss, a 42-boss, a 43-boss, a 44-boss, a 45-boss, a 51-second bushing, a 52-second bushing and a 53-second bushing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
The existing split connection mostly adopts bolts to directly connect adjacent split, and gaps between the split are not treated or are filled by flat copper sheets. Thereby affecting the overall stiffness and fatigue resistance of the overall device.
Fig. 1 is a schematic view of an apparatus provided by an embodiment of the present invention, fig. 2 is a schematic view of a first bushing structure in fig. 1, and fig. 3 is a schematic view of a second bushing structure in fig. 1. As shown in fig. 1 to 3, the first bushing 1 has a central through hole 13, and the inner diameter of the central through hole 13 matches with the outer diameter of the screw 8 of the bolt; the first bushing 1 is a cylinder, a boss 12 is arranged at one end of the cylinder, the central through hole 13 penetrates through the boss 12 and the cylinder, and an external thread 11 is arranged on the outer surface of the cylinder; the external thread 11 can be a full thread and a half thread; the structure of the boss 12 is an opposite side structure, and the opposite side structure may include but is not limited to a hexagonal head structure, a tetragonal head structure, an octagonal head structure, and the like.
As shown in fig. 2, the first connecting member 4 has a connecting hole, and the connecting hole has an internal thread corresponding to the external thread 12 of the cylindrical body; the length of the external thread 12 of the cylinder body is larger than that of the first connecting piece, so that the connection relation between the first bushing 1 and the first connecting piece 4 can be strengthened.
As shown in fig. 1 and 3, the second bushing 2 is a casing 21 having an inner cavity, the casing 21 is provided with an open end 23 and a central opening 22, the open end 23 and the central opening 22 are respectively communicated with the inner cavity, one end of the first bushing 1 having the boss 12 is accommodated in the inner cavity through the opening, and the open end 23 of the second bushing 2 is in interference connection with the first connecting member 4; the inner diameter of the central opening 22 matches the outer diameter of the bolt shank 8, and the diameter of the open end 23 of the second bush 2 is greater than the diameter of the boss 12.
As shown in fig. 1, one end of the first bushing 1 preferably protrudes beyond the first connector in the gap between the first connector 4 and the second connector 5.
As shown in fig. 1, preferably, the fastener comprises a bolt and nut 9; the screw 8 of the bolt sequentially penetrates through the central opening 22 of the second bush 2, the central through hole 13 of the first bush 1 and the internal thread hole of the second connecting piece 5 and extends out of the second connecting piece, and the nut 9 is screwed on the screw 8 extending out of one end of the second connecting piece and abuts against the second connecting piece 5 to realize the fixation of the gap filling device.
As shown in fig. 1, preferably, the second connecting member 5 is provided with an internal threaded hole, the internal threaded hole is matched with the screw, and the fastening member 3 is a bolt and does not need to be used with a nut; the bolt sequentially penetrates through the central opening 22 of the second bush, the central through hole 13 of the first bush 1 and the second connecting piece 5 and is connected with an internal threaded hole in the second connecting piece 5, and therefore the gap filling device is fixed.
With continued reference to fig. 4 to 9, without affecting the rotational connection between the first bush 1 and the first connecting member 4, the first bush may have a plurality of opposite side structures, as shown in fig. 4 to 9, which are schematic views of several variations of the first bush 1;
in this embodiment, as shown in fig. 4, the outer surface of the cylindrical body 30 is fully threaded, the boss 40 of the cylindrical body 30 has a hexagonal head configuration, and the maximum diameter dimension of the hexagonal head is smaller than the maximum cross-sectional circular diameter dimension of the cylindrical body 30.
As shown in fig. 5, in this embodiment, the outer surface thread of the cylindrical body 31 is a full thread, the boss 41 of the cylindrical body 31 is a quadrangular head structure, and the maximum diameter dimension of the quadrangular head is larger than the maximum cross-sectional circle diameter dimension of the cylindrical body 31.
In this embodiment, as shown in fig. 6, the thread on the outer surface of the cylindrical body 32 is a half thread, the boss 42 of the cylindrical body 32 is a hexagonal head structure superimposed on a cylindrical table in the axial direction, and the maximum diameter dimension of the cylindrical table is larger than the maximum cross-sectional circle diameter dimension of the cylindrical body 32.
As shown in fig. 7, in this embodiment, the thread on the outer surface of the cylindrical body 33 is a full thread, the boss 43 of the cylindrical body 33 is an octagonal head structure, and the maximum diameter dimension of the octagonal head structure is smaller than the maximum cross-sectional circle diameter dimension of the cylindrical body 33.
In this embodiment, as shown in FIG. 8, the outer surface of cylinder 34 is fully threaded, and the bosses 44 of cylinder 34 are in an opposing configuration, with the largest diameter dimension of the opposing configuration being less than the largest cross-sectional circle diameter dimension of cylinder 34.
As shown in fig. 9, in this embodiment, the outer surface thread of the cylindrical body 35 is a full thread, the boss 45 of the cylindrical body 35 is a quadrangular head structure, and the diagonal dimension of the quadrangular head structure is equal to the maximum cross-sectional circle diameter dimension of the cylindrical body 35.
With continued reference to fig. 10 to 12, the housing 21 of the second bush 2 may have various tubular structures without affecting the covering of the first bush 1 by the second bush 2, and fig. 10 to 12 are schematic views of various modified structures of the second bush 2;
as shown in fig. 10, in this embodiment, the second bushing 51 is a split cylindrical shell, and the split cylindrical shell can be formed into an integral structure by welding or assembling;
as shown in fig. 11, in this embodiment, the second bushing 52 is configured as a cone-shaped cylindrical shell;
as shown in fig. 12, in this embodiment, the second bushing 53 is a split circular truncated cone-shaped housing, and the split housing can be formed into an integral structure by welding or assembling.
Further, the axial length of the first bushing 1 is lengthened, the thickness of the first connecting piece 4 is thickened or the thickness of the second connecting piece 5 is thickened, and the like, so that the length of a component in the split device in the axial direction of a bolt is increased, the clamping length of the fastener 3 is lengthened, and the component of the second bushing 2 is eliminated.
As shown in fig. 1 to 3, in the assembling process of the split motor, the screw 8 of the bolt sequentially passes through the central opening 22 of the second bushing 2, the central through hole 13 of the first bushing 1 and the internal threaded hole of the second connector 5 to perform split connection; one end of the first bushing 1 is spirally rotated to penetrate through the first connecting piece 4 to abut against the second connecting piece 5; rotating the boss 12 of the first bushing 1, the gap 6 between the first connector 4 and the second connector 5 can be filled; the open end 23 of the second liner 2 is tightly abutted with the first connecting piece 4; the boss 12 of the first bush 1 is covered by the inner cavity of the second bush 2.
Due to the influence of factors such as the machining accuracy, the assembly accuracy and the deformation of the workpiece, the actual value of the gap 6 will deviate from the design value and will often be non-uniform over the entire coupling surface. The device substantially fills the gap 6 by adjusting the length of the first bushing 1 extending beyond the first connection 4. If the whole connecting surface is uneven, the split connection can be simultaneously carried out by increasing the number of the connecting devices, so that the stability of the motor is improved.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or may be connected through the interior of two elements or in interactive relation with one another. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Claims (10)
1. The split motor valve and valve gap filling device is characterized by comprising a first bushing (1), a fastener (3), a first connecting piece (4) and a second connecting piece (5);
the first bushing (1) has a central through hole (13);
the first connecting piece (4) is provided with a connecting hole; one end of the first bushing (1) is inserted into the connecting hole along the axial direction of the first connecting piece (4), and the first bushing (1) axially moves in the connecting hole of the first connecting piece (4);
the second connecting piece (5) is positioned at one end of the first bushing (1), and a gap (6) exists between the first connecting piece (4) and the second connecting piece (5);
the fastener (3) sequentially penetrates through the central through hole (13) of the first bushing (1) and the second connecting piece (5).
2. The split-type motor petal and petal gap filling device according to claim 1, wherein the first bushing (1) is a cylinder, a boss (12) is arranged at the other end of the cylinder, the central through hole (13) penetrates through the boss (12) and the cylinder, an external thread (11) is arranged on the outer surface of the cylinder, an internal thread is arranged in the connecting hole of the first connecting piece (4), and the external thread (11) of the first bushing (1) is correspondingly connected with the internal thread of the first connecting piece (4).
3. The split motor lobe and lobe gap filling apparatus of claim 2, wherein the bosses (12) are of opposite edge structure;
the external thread (11) comprises a full thread and a half thread.
4. The split-type motor valve and valve gap filling device according to claim 3, wherein the pair of side structures comprises a hexagonal head structure, a quadrangular head structure and an octagonal head structure.
5. The split-type motor valve and valve gap filling device according to claim 1, further comprising a second bushing (2), wherein the second bushing (2) is a housing (21) having an inner cavity, the housing (21) is provided with an opening and a central opening (22) respectively communicated with the inner cavity, one end of the first bushing (1) having the boss (12) is accommodated in the inner cavity through the opening, and an open end (23) of the second bushing (2) is in interference connection with the first connecting member (4).
6. The split motor lobe and lobe gap filling apparatus of claim 5, wherein the housing (21) comprises a cylindrical shape and a conical cylinder shape.
7. The split motor petal and petal gap filling apparatus according to claim 5, wherein the fastener (3) comprises a bolt and nut (9); the bolt sequentially penetrates through a central hole (22) of the second bushing, a central through hole (13) of the first bushing (1) and the second connecting piece (5), and the nut (9) is connected to the bolt and is close to the second connecting piece (5).
8. The split motor lobe and lobe gap filling device according to claim 6, wherein the open end (23) diameter of the second bushing (2) is larger than the diameter of the boss (12).
9. The split motor lobe-and-lobe gap filling apparatus according to claim 2, wherein the external thread (11) of the cylinder has a length greater than the length of the first connecting member (4).
10. The split-type motor valve and valve gap filling device according to claim 5, wherein the second connecting member (5) is provided with an internal threaded hole, the fastening member (3) is a bolt, the internal threaded hole is matched with a screw rod of the bolt, and the screw rod of the bolt sequentially passes through the central opening (22) of the second bushing, the central through hole (13) of the first bushing (1) and the second connecting member (5) and is connected with the internal threaded hole on the second connecting member (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509310.0U CN211082528U (en) | 2019-09-11 | 2019-09-11 | Split type motor valve and valve gap filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921509310.0U CN211082528U (en) | 2019-09-11 | 2019-09-11 | Split type motor valve and valve gap filling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211082528U true CN211082528U (en) | 2020-07-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921509310.0U Active CN211082528U (en) | 2019-09-11 | 2019-09-11 | Split type motor valve and valve gap filling device |
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| Country | Link |
|---|---|
| CN (1) | CN211082528U (en) |
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2019
- 2019-09-11 CN CN201921509310.0U patent/CN211082528U/en active Active
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