CN219416636U - Moving coil structure, low thrust vibrating table and long stroke vibrating table - Google Patents
Moving coil structure, low thrust vibrating table and long stroke vibrating table Download PDFInfo
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- CN219416636U CN219416636U CN202320488426.0U CN202320488426U CN219416636U CN 219416636 U CN219416636 U CN 219416636U CN 202320488426 U CN202320488426 U CN 202320488426U CN 219416636 U CN219416636 U CN 219416636U
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Abstract
The utility model relates to the technical field of mechanical environment test equipment, and provides a moving coil structure, a low-thrust vibration table and a long-stroke vibration table, wherein the moving coil structure comprises: the first support piece and the second support piece are oppositely arranged, and at least one connecting part is arranged on the inner wall surface of any one support piece; at least one connecting piece arranged between the first supporting piece and the second supporting piece, wherein any connecting piece is connected with two connecting parts which are respectively arranged on the first supporting piece and the second supporting piece so as to connect the first supporting piece and the second supporting piece; the coil is suitable for being sleeved on the outer sides of all the connecting pieces, two ends of the coil are correspondingly abutted with the first supporting piece and the second supporting piece, a gap is reserved between the coil and the connecting pieces, and an adhesive is suitable for being filled in the gap so as to connect at least the coil and all the connecting pieces. The moving coil structure is convenient to install, high in connection strength and high in reliability.
Description
Technical Field
The utility model relates to the technical field of mechanical environment test equipment, in particular to a moving coil structure, a matching mechanism and a long-stroke vibration table.
Background
The electric vibration table can simulate various vibration mechanical environments and is widely used for simulation tests of various typical vibrations such as stress screening of automobile parts, electronic components and aerospace products.
The utility model discloses among the prior art application number CN105300640A, the patent name is a long stroke moving coil structure for electric vibration platform, this moving coil structure includes a plurality of connecting rods, coil and upper and lower support frame, in the shaping in-process, need be with the whole solidification of coil between upper and lower support frame earlier, then correspond a plurality of connecting rods set up between upper and lower support frame, in order to correspond the connecting rod setting up upper and lower support frame on, avoid upper and lower support frame receive the extrusion force and separate with the coil, can set up the distance between upper and lower support frame slightly more than the length of connecting rod, guarantee to have certain clearance, be convenient for the connecting piece put into between upper and lower support frame, in order to avoid applys the extrusion force to upper and lower support frame.
However, in the moving coil structure, as shown in fig. 10, from the static analysis, the existence of the gap may separate the connecting rod from the upper support frame 001 and the lower support frame 002, so that the reliability of the whole moving coil structure is reduced, and when the guide rod and the connecting rod in the moving coil structure are fixed, the existence of the gap 003 may cause excessive locking of the fastener, so that the upper and lower frameworks are deformed, and even the solidified connection part generates cracks; from the analysis of dynamic aspects, the existence of the gap 003 can lead to lower rigidity of the coil main body, an interval 004 is arranged between the coil 005 and the connecting rod 006, the first-order resonance frequency of the direction is reduced, the coil is deformed after resonance, the test index is affected, and meanwhile, the deformed coil can be contacted with the connecting rod for multiple times in the test process after resonance, so that insulation damage of the surface layer of the coil is caused, a short circuit phenomenon is caused, and the coil is burnt out.
Disclosure of Invention
Therefore, the technical problem to be solved by the utility model is to overcome the problems that in the moving coil structure in the prior art, from the analysis of static aspects, the existence of the gap can separate the connecting rod from the upper support frame and the lower support frame, so that the overall reliability of the moving coil structure is reduced, and when the guide rod and the connecting rod in the moving coil structure are fixed, the existing gap can possibly cause excessive locking of the fastening piece, so that the upper framework and the lower framework are deformed, and even the solidified connecting part generates cracks; from the analysis of dynamic aspects, the existence of the gap can lead to lower rigidity of the coil main body, an interval is arranged between the coil and the connecting rod, the first-order resonance frequency in the direction is reduced, the coil is deformed after resonance, the test index is affected, and meanwhile, the deformed coil can be contacted with the connecting rod for multiple times in the test process after resonance, so that insulation damage of the surface layer of the coil is caused, a short circuit phenomenon is caused, and the coil is burnt out, so that the moving coil structure, the matching mechanism and the long-stroke vibrating table are provided.
A moving coil structure comprising: the first support piece and the second support piece are oppositely arranged, and at least one connecting part is arranged on the inner wall surface of any one support piece; at least one connecting piece arranged between the first supporting piece and the second supporting piece, wherein any connecting piece is used for connecting two connecting parts which are respectively arranged on the first supporting piece and the second supporting piece so as to connect the first supporting piece and the second supporting piece; the coil is suitable for being sleeved on the outer sides of all the connecting pieces, two ends of the coil are correspondingly abutted with the first supporting pieces and the second supporting pieces, a space is reserved between the coil and the connecting pieces, and an adhesive is suitable for being filled in the space so as to connect at least the coil and all the connecting pieces.
Optionally, in the moving coil structure, a connecting hole is formed in the connecting portion along an axial direction of the connecting piece, and an end portion of the connecting piece is adapted to extend into the connecting hole to be connected with the connecting portion.
Optionally, in the moving coil structure, the connecting piece further comprises locking pieces, wherein locking holes are formed in two ends of the connecting piece, the locking pieces are arranged in one-to-one correspondence with the locking holes, the locking pieces are suitable for being inserted into the locking holes, locking force is applied to the connecting piece, and under the action of the locking force, the outer wall surface of the connecting piece is attached to the inner wall surface of the connecting hole.
Optionally, in the moving coil structure, the connecting portion is a boss formed on an inner wall surface of a corresponding support member, and two end faces of all the bosses located on the same support member are aligned.
Optionally, in the moving coil structure, a projection of any one of the connecting pieces in an axial direction of the moving coil structure falls into a projection of any one of the supporting pieces in the axial direction of the moving coil structure.
Optionally, in the moving coil structure, the coil further includes at least one bobbin, and the coil is a composite layer structure including at least two coil layers, and one bobbin is disposed between two adjacent coil layers.
Optionally, in the moving coil structure, two ends of the bobbin extend out of the coil and extend to the first support and the second support respectively;
the winding device further comprises a reinforcing piece, wherein the reinforcing piece is sleeved on at least the part, extending out of the coil, of the winding tube and extending to the second supporting piece, so that the winding tube is locked on the corresponding second supporting piece.
Optionally, in the moving coil structure, the portion of the bobbin extending out of the coil and toward the first supporting member is sleeved with a reinforcing member, so as to lock the bobbin on the first supporting member.
Optionally, in the moving coil structure, two connecting parts connected with the same connecting piece are opposite to each other.
A low thrust vibration table comprising: a moving coil skeleton; the movable coil structure is the movable coil structure, a lead channel is formed in one of the reinforcing pieces, one end of the outgoing line is suitable for extending into the lead channel to be connected with the winding reel, and the other end of the outgoing line is suitable for extending out of the lead channel to be connected with the movable coil framework.
Optionally, in the low thrust vibration table, the moving coil skeleton includes a base, a base hole corresponding to the connecting hole is formed in the base, and the locking member is adapted to sequentially extend into the base hole and the locking hole, so as to connect the base and the corresponding supporting member.
A long stroke vibration table comprising: a cylinder; the guide structure comprises a plurality of guide pieces, and one end of any guide piece is suitable for extending out of the cylinder; the movable coil structure is the movable coil structure, at least one guide piece is symmetrically arranged on the first support piece and the second support piece of the movable coil structure, and the movable coil structure carries the guide piece of the guide structure to reciprocate along the cylinder body in a conductive state.
The technical scheme of the utility model has the following advantages:
1. the utility model provides a moving coil structure, which comprises: the first support piece and the second support piece are oppositely arranged, and at least one connecting part is arranged on the inner wall surface of any one support piece; at least one connecting piece arranged between the first supporting piece and the second supporting piece, wherein any connecting piece is used for connecting two connecting parts which are respectively arranged on the first supporting piece and the second supporting piece so as to connect the first supporting piece and the second supporting piece; the coil is suitable for being sleeved on the outer sides of all the connecting pieces, two ends of the coil are correspondingly abutted with the first supporting pieces and the second supporting pieces, a space is reserved between the coil and the connecting pieces, and an adhesive is suitable for being filled in the space so as to connect at least the coil and all the connecting pieces.
In the moving coil structure of the structure, the connecting parts are arranged on the inner wall surfaces of the first supporting piece and the second supporting piece, the connecting parts are connected with the connecting parts respectively arranged on the first supporting piece and the second supporting piece by using the connecting pieces, after the connection is completed, the coil is sleeved outside all the connecting pieces, the two ends of the coil are abutted with the first supporting piece and the second supporting piece, a gap is reserved between the coil and the connecting pieces, and the gap is filled by using an adhesive, so that the coil and all the connecting pieces are connected. From the aspect of dynamic aspect, the coil and the connecting piece are connected by filling an adhesive in the interval arranged between the coil and the connecting piece, so that the coil is attached to the first supporting piece, the second supporting piece and the connecting piece to form an integral coil structure, the strength and the reliability are well ensured, the coil is ensured not to be greatly deformed in the vibration process, the coil surface insulation damage is caused after the coil is contacted with the connecting rod for many times, the short circuit phenomenon is caused, the supporting piece and the connecting piece can be assembled before winding in a form of arranging the connecting piece in the coil, the tight connection between the supporting piece and the connecting piece is ensured, the defect that in the moving coil structure in the prior art, the existence of the gap can separate the connecting rod from the upper supporting frame and the lower supporting frame, the integral reliability of the moving coil structure is reduced, the existing gap in the moving coil structure is also likely to cause excessive locking of a fastener when the guide rod and the connecting rod are fixed, and even the connecting frame is solidified, and cracks are caused; from the analysis of dynamic aspects, the existence of the gap can lead to lower rigidity of the coil main body, an interval is arranged between the coil and the connecting rod, the first-order resonance frequency in the direction is reduced, the coil can deform after resonance to influence the test index, and meanwhile, the deformed coil can be contacted with the connecting rod for multiple times in the test process after resonance, so that insulation damage of the surface layer of the coil is caused, a short circuit phenomenon is caused, and the coil is burnt out.
2. In the moving coil structure provided by the utility model, the connecting part is provided with the connecting hole along the axial direction of the connecting piece, and one end of the connecting piece is suitable for extending into the connecting hole to be connected with the connecting part.
In the moving coil structure of the structure, the connecting piece can be connected with the connecting part through the arrangement of the connecting hole, so that the connection of the connecting piece, the first supporting piece and the second supporting piece is realized, and the installation and the positioning of the supporting piece and the connecting piece are facilitated.
3. The moving coil structure provided by the utility model further comprises locking pieces, wherein locking holes are formed in two ends of the connecting piece, the locking pieces are arranged in one-to-one correspondence with the locking holes, the locking pieces are suitable for being inserted into the locking holes so as to apply locking force to the connecting piece, and the outer wall surface of the connecting piece is attached to the inner wall surface of the connecting hole under the action of the locking force.
In the moving coil structure of the structure, through the arrangement of the locking piece, the locking piece is correspondingly arranged with the locking holes at the two ends of the connecting piece, and the locking piece is used for being inserted into the locking holes so as to connect the connecting piece, the first supporting piece and the second supporting piece, so that the connection stability of the moving coil structure is further improved.
4. In the moving coil structure provided by the utility model, two ends of the winding reel respectively extend out of the coil and extend to the first supporting piece and the second supporting piece; the winding device further comprises a reinforcing member, wherein the reinforcing member is sleeved on at least the part, extending out of the coil, of the winding tube and extending to the second supporting member, so that the winding tube is locked on the second supporting member.
In the moving coil structure of the structure, the winding tube is locked on the second supporting piece by the aid of the reinforcing piece, displacement of the winding tube relative to the second supporting piece is avoided, mounting stability of the winding tube and the second supporting piece is guaranteed, and reliability of the moving coil structure is further improved.
5. In the moving coil structure provided by the utility model, the part of the winding tube extending out of the coil and extending to the first supporting piece is sleeved with the reinforcing piece so as to lock the winding tube on the first supporting piece.
In the moving coil structure of the structure, the coil extends out of the winding reel and is sleeved with the reinforcing part on the part of the first supporting part so as to lock the winding reel on the first supporting part, so that the two ends of the winding reel are provided with the reinforcing parts, the first supporting part and the second supporting part are provided with the reinforcing parts, the connection strength between the winding reel and the first supporting part and the connection strength between the winding reel and the second supporting part are further improved, and the reliability of the moving coil structure is further ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic overall structure of a moving coil structure according to a first embodiment of the present utility model;
FIG. 2 is a schematic view of the connection structure of the first and second supports and the connection member;
FIG. 3 is a schematic cross-sectional view of the structure shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure shown in FIG. 3A;
FIG. 5 is a schematic view of a low thrust vibration table according to a second embodiment of the present utility model;
fig. 6 is a schematic structural view of a long-stroke vibration table provided in a third embodiment of the present utility model;
FIG. 7 is a schematic diagram of the explosive structure of FIG. 1;
FIG. 8 is a schematic view of the location structure of the locking hole;
FIG. 9 is a schematic view of the position structure of the connector on the connector;
FIG. 10 is a schematic diagram of a prior art moving coil structure;
reference numerals illustrate:
1. a first support; 2. a second support;
3. a connection part; 301. a connection hole;
4. a connecting piece; 401. a locking hole;
5. a coil; 6. spacing; 7. a locking member; 8. a bobbin; 9. a reinforcing member;
10. a moving coil skeleton; 1001. a base;
11. a guide member;
001. an upper support frame; 002. a lower support frame; 003. a gap; 004. spacing; 005. a coil; 006. and (5) connecting a rod.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Example 1
This embodiment describes a moving coil structure, see fig. 1-9, comprising: the first support 1 and the second support 2 which are oppositely arranged, at least one connecting part 3 is arranged on the inner wall surface of any support, the coil support further comprises a connecting piece 4 and a coil 5, wherein the connecting piece 4 is arranged between the first support 1 and the second support 2, the connecting piece 4 is used for connecting the two connecting parts 3 which are respectively arranged on the first support 1 and the second support 2 so as to connect the first support 1 and the second support 2, after the assembly among the connecting piece 4, the first support 1 and the second support 2 is completed, the coil 5 is suitable for being sleeved outside all the connecting pieces 4, two ends of the coil 5 are respectively abutted against the first support 1 and the second support 2, a gap 6 is arranged between the coil 5 and the connecting piece 4, and an adhesive is suitable for filling in the gap 6 so as to connect at least the coil 5 and all the connecting pieces 4.
The connecting parts 3 are arranged on the inner wall surfaces of the first supporting piece 1 and the second supporting piece 2, the connecting parts 4 are used for connecting the connecting parts 3 which are respectively arranged on the first supporting piece 1 and the second supporting piece 2, so that the first supporting piece 1 and the second supporting piece 2 are connected, after the connection is finished, the coil 5 is sleeved outside all the connecting pieces 4, two ends of the coil 5 are abutted against the first supporting piece 1 and the second supporting piece 2, a gap 6 is arranged between the coil 5 and the connecting pieces 4, and the gap 6 is filled with an adhesive to connect at least the coil 5 and all the connecting pieces 4; from the dynamic aspect, the interval 6 between the coil 5 and the connecting piece 4 is filled with an adhesive, the coil 5 is connected with the connecting piece 4 by the adhesive, so that the coil 5 is attached to the first supporting piece 1, the second supporting piece 2 and the connecting piece 4 to form an integral coil 5 structure, the torsion resistance effect of the coil 5 is improved, the strength and the reliability of the coil 5 are well ensured, the coil 5 cannot be greatly deformed in the vibration process, the coil 5 cannot be damaged in insulation after being contacted with the connecting rod for many times, the short circuit phenomenon is caused, and the supporting piece and the connecting piece 4 can be assembled before winding in a mode of arranging the connecting piece 4 in the coil 5, so that the tight connection between the three is ensured.
In a specific application, the number of the connecting pieces 4 may be set to one or a plurality, mainly for connecting the first supporting piece 1 and the second supporting piece 2, the number of the connecting portions 3 provided on the supporting pieces may be one or a plurality, so that the connecting pieces 4 can be connected with the first supporting piece 1 and the second supporting piece 2, see fig. 2, the number of the connecting pieces 4 in this embodiment is set to four, and the number of the corresponding connecting portions 3 is also set to four, and of course, the number of the connecting pieces 4 may be set to five, six, and the specific number is set according to actual use, and the connecting pieces 4 may be set to a cylindrical rod-shaped structure.
Referring to fig. 9, for installation and positioning of the connection member 4 and the first support member 1 and the second support member 2, a connection hole 301 may be formed in any one of the connection portions 3 along the axial direction of any one of the connection members 4, and two end portions of the connection member 4 are adapted to extend into the corresponding connection hole 301 to complete connection with the connection portion 3, so as to achieve connection of the first support member 1 and the second support member 2 by using the connection hole 301, and the connection hole 301 is configured to enable the connection member 4 to be connected with the connection portion 3, so as to achieve connection of the connection member 4, the first support member 1 and the second support member 2, and facilitate installation and positioning of the support member and the connection member 4.
In order to further improve the connection stability of the moving coil structure, see fig. 2 and 8, in the moving coil structure in this embodiment, the moving coil structure further includes a locking member 7, locking holes 401 are formed at two ends of the connecting member 4, the locking member 7 is arranged in a one-to-one correspondence with the locking holes 401, and the locking member 7 is adapted to be inserted into the locking holes 401 so as to apply a locking force to the connecting member 4, the outer wall surface of the connecting member 4 is attached to the inner wall surface of the connecting hole 301 under the action of the locking force, by arranging the locking member 7, the locking member 7 is correspondingly arranged with the locking holes 401 at two ends of the connecting member 4, and the locking member 7 is adapted to be inserted into the locking holes 401 so as to connect the connecting member 4, the first supporting member 1 and the second supporting member 2, thereby further improving the connection stability of the moving coil structure.
When the locking piece 7 is specifically applied, the locking piece 7 can be set as a bolt, the inner wall surface of the locking hole 401 is provided with a threaded surface, so that the locking piece 7 is in threaded connection with the corresponding connecting piece 4, the end part of the locking piece 7 is blocked by the supporting piece, the end part of the connecting piece 4 is fixed with the supporting piece, of course, the locking piece 7 can be set as a pin, the connecting piece 4 is in pin connection with the supporting piece, and the connecting piece 4 and the supporting piece can be connected and fixed.
Referring to fig. 9, in the moving coil structure of the present embodiment, the connection portion 3 is a boss formed on the inner wall surface of the corresponding support member, two end surfaces of all bosses located on the same support member are aligned, it can be ensured that the heights of all connection members 4 are in a consistent state after the connection of the first support member 1 and the second support member 2, and after the assembly is completed, the coaxiality of the outer diameter of the whole moving coil structure can be well ensured.
In this embodiment, the projection of any one of the connecting members 4 in the axial direction of the moving coil structure falls into the projection of any one of the supporting members in the axial direction of the moving coil structure, and more preferably, the projections of both the connecting members and the supporting members are orthographic projections.
Referring to fig. 3, the moving coil structure in this embodiment further includes a bobbin 8, where the coil 5 is in a composite layer structure, and includes at least two layers of coils 5, and a bobbin 8 is disposed between two adjacent layers of coils 5, where the bobbin 8 is disposed to enable separation between the layers of coils 5 when the coils 5 are disposed in the composite layer structure.
Referring to fig. 3 and 4, in order to further improve stability of the moving coil structure, both ends of the bobbin 8 may be extended from the coil 5 and extended to the first support member 1 and the second support member 2, a reinforcing member 9 may be sleeved on a portion of the bobbin 8 extending from the coil 5 and extended to the second support member 2 to lock the bobbin 8 to the second support member 2, or a reinforcing member 9 may be sleeved on a portion of the bobbin 8 extending from the coil 5 and extended to the first support member 1 to lock the bobbin 8 to the first support member 1.
In a specific application, the reinforcing member 9 may be provided as a reinforcing ring of annular structure, and an adhesive may be filled between the reinforcing ring and the bobbin 8 and the supporting member, thereby improving the connection stability between the three.
In order to ensure that when the connecting piece 4 is connected with the first supporting piece 1 and the second supporting piece 2, two ends of the connecting piece 4 are in a state of being opposite to each other, two connecting portions 3 connected with the same connecting piece 4 can be opposite to each other, all the connecting portions 3 are uniformly arranged on the inner wall surfaces of the corresponding supporting pieces, for example, when the number of the connecting portions 3 is four, for example, referring to fig. 2, an included angle of 90 degrees is formed between every two adjacent connecting portions 3, and when three connecting portions 3 are arranged, an included angle of 120 degrees is formed between every two adjacent connecting portions 3.
In this embodiment, the first supporting member 1 and the second supporting member 2 are configured as an annular structure, and in order to improve positioning convenience between the reinforcing member 9 and the corresponding supporting member, a step surface may be formed on the first supporting member 1 and the second supporting member 2, and the step surface is adapted to the reinforcing member 9, and when the coil 5 is a plurality of coil 5 layers, the coil 5 layer located on the outer layer is abutted to the reinforcing member 9, and an end portion of the coil 5 layer located on the outermost layer is abutted to an end surface of the reinforcing member 9.
Example 2:
this embodiment describes a low thrust vibration table, referring to fig. 5, which includes a moving coil frame 10 and a moving coil structure, wherein the moving coil structure is as described in embodiment 1, a lead channel is formed on one of the reinforcing members 9, one end of the lead wire is adapted to extend into the lead channel to be connected with the bobbin 8, and the other end is adapted to extend out of the lead channel to be connected with the moving coil frame 10, and the low thrust vibration table has the beneficial effects of the moving coil structure because the moving coil structure as described in embodiment 1 is adopted.
Referring to fig. 5, a wire passage may be opened in the reinforcement member 9 located on the second support member 2.
In the low thrust vibration table of this embodiment, the moving coil frame 10 includes a base 1001, a base hole corresponding to the connection hole 301 is formed in the base 1001, the locking member 7 is adapted to sequentially extend into the base hole and the locking hole 401 to connect the base 1001 with a corresponding supporting member, the moving coil structure can be quickly detached from the base 1001, when the moving coil structure is damaged due to long-time use, the moving coil frame can be quickly replaced, is convenient to use, can be used as a spare part, greatly shortens repair time, and can set the base 1001 on the second supporting member 2 when in specific application.
Example 3:
this embodiment describes a long-stroke vibration table, see fig. 6, which includes a cylinder (not shown in the figure), a guide structure, and a moving coil structure, wherein the guide structure includes a plurality of guide members 11, one end of any one of the guide members 11 is adapted to extend out of the cylinder, the moving coil structure is the moving coil structure described in embodiment 1, the moving coil structure is located in the cylinder, at least one guide member 11 is symmetrically disposed on each of the first support member 1 and the second support member 2 of the moving coil structure, and in a conductive state, the moving coil structure carries the guide members 11 of the guide structure to reciprocate along the cylinder.
In specific application, the end part of any guide piece 11 can be fixedly connected with the support piece through threads, the long-stroke vibration table is high in strength and reliability, and the performance of a special moving coil is greatly improved.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (12)
1. A moving coil structure, comprising:
a first support (1) and a second support (2) which are arranged oppositely, wherein at least one connecting part (3) is arranged on the inner wall surface of any one support;
at least one connecting piece (4) arranged between the first supporting piece (1) and the second supporting piece (2), wherein any connecting piece (4) connects two connecting parts (3) which are respectively arranged on the first supporting piece (1) and the second supporting piece (2) so as to connect the first supporting piece (1) and the second supporting piece (2);
the coil (5) is suitable for being sleeved on the outer sides of all the connecting pieces (4), two ends of the coil (5) are correspondingly abutted with the first supporting pieces (1) and the second supporting pieces (2), a space (6) is reserved between the coil (5) and the connecting pieces (4), and an adhesive is suitable for being filled in the space (6) so as to connect at least the coil (5) and all the connecting pieces (4).
2. Moving coil structure according to claim 1, characterized in that a connecting hole (301) is provided in the connecting part (3) in the axial direction of the connecting piece (4), and the end of the connecting piece (4) is adapted to extend into the connecting hole (301) for connection with the connecting part (3).
3. The moving coil structure according to claim 2, further comprising a locking member (7), wherein locking holes (401) are formed in two ends of the connecting member (4), the locking member (7) and the locking holes (401) are arranged in a one-to-one correspondence, and the locking member (7) is suitable for being inserted into the locking holes (401) so as to apply locking force to the connecting member (4), and under the action of the locking force, the outer wall surface of the connecting member (4) is attached to the inner wall surface of the connecting hole (301).
4. A moving coil structure according to claim 2 or 3, wherein the connecting portion (3) is a boss formed on an inner wall surface of the corresponding support member, and both ends of the boss on the same support member are aligned.
5. A moving coil structure according to claim 4, characterized in that the projection of any one of the connection pieces (4) in the axial direction of the moving coil structure falls into the projection of any one of the support pieces in the axial direction of the moving coil structure.
6. The moving coil structure according to claim 5, further comprising at least one bobbin (8), said coil (5) being of a composite layer structure comprising at least two layers of coils (5), one said bobbin (8) being disposed between adjacent two of said layers of coils (5).
7. Moving coil structure according to claim 6, characterized in that the two ends of the bobbin (8) extend out of the coil (5) and towards the first support (1) and the second support (2), respectively;
the winding device further comprises a reinforcing piece (9), wherein the reinforcing piece (9) is sleeved on at least the part, extending out of the coil (5) and extending to the second supporting piece (2), of the winding tube (8) so as to lock the winding tube (8) on the corresponding second supporting piece (2).
8. A moving coil structure according to claim 7, characterized in that the part of the bobbin (8) extending beyond the coil (5) and towards the first support (1) is provided with a reinforcement (9) for locking the bobbin (8) to the first support (1).
9. Moving coil structure according to claim 8, characterized in that two of said connection portions (3) connecting the same said connection piece (4) are arranged facing each other.
10. A low thrust vibration table, comprising:
a moving coil frame (10);
the moving coil structure is as claimed in any one of claims 1 to 9, wherein a lead channel is formed in one of the reinforcing members (9), one end of the lead wire is adapted to extend into the lead channel to be connected with the bobbin (8), and the other end is adapted to extend out of the lead channel to be connected with the moving coil skeleton (10).
11. The low thrust vibration table according to claim 10, wherein the moving coil frame (10) comprises a base (1001), a base hole corresponding to the connecting hole (301) is formed in the base (1001), and the locking member (7) is adapted to sequentially extend into the base hole and the locking hole (401) so as to connect the base (1001) with the corresponding supporting member.
12. A long stroke vibration table comprising:
a cylinder;
the guide structure comprises a plurality of guide pieces (11), and one end of any guide piece (11) is suitable for extending out of the cylinder;
the moving coil structure is as claimed in any one of claims 1 to 9, at least one guide piece (11) is symmetrically arranged on the first support piece (1) and the second support piece (2) of the moving coil structure, and in a conductive state, the moving coil structure carries the guide piece (11) of the guide structure to reciprocate along the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320488426.0U CN219416636U (en) | 2023-03-14 | 2023-03-14 | Moving coil structure, low thrust vibrating table and long stroke vibrating table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320488426.0U CN219416636U (en) | 2023-03-14 | 2023-03-14 | Moving coil structure, low thrust vibrating table and long stroke vibrating table |
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