Connection terminal, terminal support seat, and rotary transformer for rotary transformer

Abstract

The application discloses a connecting terminal for a resolver, a terminal support seat and a resolver. The connecting terminal for the resolver comprises a terminal body extending in an axial direction, a first connecting part continuously extending from the terminal body, the first connecting part comprising a connecting surface for contacting and connecting a first connecting member, and a second connecting part continuously extending from the terminal body for connecting a second connecting member, at least part of the connecting surface being arranged upward in the axial direction. Compared with the prior art, the connecting terminal can be assembled integrally with the terminal support seat. The overall structure of the connecting terminal is simplified, and the corresponding electrical connection is realized through the first connecting part and the second connecting part. As a preferred, the first connecting part and the second connecting part extend in different directions respectively, and space can be fully utilized.

Description

TECHNICAL FIELD

[0001] The present application relates to an electrical connection structure, in particular, a connection terminal for a resolver, a terminal support seat, and a resolver. BACKGROUND

[0002] A resolver is an electromagnetic sensor, also known as a synchronous resolver. The resolver is a small AC motor for measuring angles, which is used to measure the angular displacement and angular velocity of a rotating object, and is composed of a stator and a rotor. The stator winding serves as the primary side of the transformer and receives the excitation voltage. The rotor winding serves as the secondary side of the transformer and obtains the induced voltage through electromagnetic coupling. How to reasonably arrange the corresponding electrical connections of the resolver becomes a problem to be considered. SUMMARY

[0003] One of the purposes of the present application is to overcome the deficiencies in the prior art and provide a connection terminal for a resolver, a terminal support seat, and a resolver that is convenient for electrical connection and has a reasonable spatial layout.

[0004] To achieve the above purpose, the present application realizes the following technical solutions:

[0005] A connection terminal for a resolver, characterized in that it comprises:

[0006] a terminal body extending in an axial direction;

[0007] a first connecting portion continuously extending from the terminal body, the first connecting portion comprising a connecting surface for contacting and connecting a first connecting member; and

[0008] a second connecting portion continuously extending from the terminal body for connecting a second connecting member;

[0009] At least part of the connecting surface is arranged upward in the axial direction.

[0010] According to an embodiment of the present application, the terminal body can be arranged by being mounted to a terminal support seat in the axial direction;

[0011] The first connecting portion is arranged to extend in the longitudinal direction of the connection terminal;

[0012] The second connecting portion is arranged to extend in the axial direction of the connection terminal.

[0013] According to an embodiment of the present application, a first support portion is continuously arranged from the terminal body;

[0014] The first connecting portion is continuously arranged from the first support portion.

[0015] According to one embodiment of the present application, at least part of the first connecting portions are arranged laterally protruding relative to the first supporting portion, and form a notch with the first supporting portion.

[0016] According to one embodiment of the present application, the connecting surface of the first connecting portion has a convex surface;

[0017] The convex surface is arranged protruding in a direction opposite to the mounting direction of the connecting terminal, for electrically connecting with the first connecting member.

[0018] According to one embodiment of the present application, the second connecting portion comprises a pair of clamping jaws;

[0019] The pair of clamping jaws form a clamping groove;

[0020] The pair of clamping jaws are used for clamping the second connecting member when the second connecting member is accommodated in the clamping groove.

[0021] According to one embodiment of the present application, further comprising:

[0022] A mounting leg is arranged on the terminal body, and is arranged continuously extending from the mounting direction of the connecting terminal.

[0023] According to one embodiment of the present application, the terminal body is formed with a top end and a bottom end in the axial direction;

[0024] The mounting leg is arranged on the bottom end of the terminal body;

[0025] The second connecting portion is arranged protruding in the axial direction on the top end.

[0026] According to one embodiment of the present application, the connecting terminal is an integral piece.

[0027] According to one embodiment of the present application, the connecting terminal is made of a plate with uniform thickness.

[0028] According to one embodiment of the present application, part or all of the first connecting portions are arranged longitudinally spaced relative to the second connecting portion.

[0029] According to one embodiment of the present application, part or all of the first connecting portions are arranged respectively at the two longitudinal ends of the connecting terminal.

[0030] According to one embodiment of the present application, part or all of the first connecting portions are arranged staggered laterally relative to the second connecting portion.

[0031] A terminal support seat for a resolver for mounting a support connection terminal, characterized in that the terminal support seat comprises:

[0032] a seat body;

[0033] a second support portion is provided on the seat body for mounting a terminal body of the support connection terminal.

[0034] According to one embodiment of the present application, a clearance portion is provided on the seat body for providing a space for the first connection portion of the connection terminal to connect and fit with the first connecting piece.

[0035] According to one embodiment of the present application, the terminal support seat can be assembled with the connection terminal in axial and mating manner;

[0036] At least part of the clearance portion is transversely spaced apart relative to the second support portion.

[0037] According to one embodiment of the present application,

[0038] The second support portion comprises a mounting hole;

[0039] When the mounting leg of the connection terminal is contained in the mounting hole, the hole wall of the mounting hole can be arranged in abutting manner with the mounting leg.

[0040] According to one embodiment of the present application, the clearance portion comprises a plurality of clearance holes, and the plurality of clearance holes are arranged in a row along the transverse direction of the terminal support seat;

[0041] The adjacent clearance holes are arranged in communication with each other.

[0042] According to one embodiment of the present application, the seat body has an outer peripheral wall;

[0043] The seat body is provided with a retaining groove for accommodating the support first connecting piece;

[0044] The retaining groove extends through the outer peripheral wall for accommodating the support first connecting piece.

[0045] According to one embodiment of the present application, the seat body is provided with an axially extending guide hole for the first connecting piece to pass through.

[0046] According to one embodiment of the present application, the retaining groove and the guide hole are radially aligned.

[0047] According to one embodiment of the present application, further comprising:

[0048] The guide hole is arranged more radially inward relative to the clearance portion on the terminal support body.

[0049] According to one embodiment of the present application, the terminal support seat is assembled with the pair of connection terminals in an axial direction.

[0050] The guide hole is disposed opposite to the clearance portion in a longitudinal direction of the terminal support seat.

[0051] According to one embodiment of the present application, the second support portion is used for mounting and supporting the connection terminals.

[0052] A resolver, comprising:

[0053] A terminal support seat, which is in a circular ring shape; the terminal support seat is provided with a plurality of coil holding portions;

[0054] A plurality of connection terminals, the terminal bodies of the plurality of connection terminals are respectively fixedly disposed on the second support portions of the terminal support seat;

[0055] A plurality of coils, the coils are wound on the terminal holding portions; the connection ends of each of the coils are respectively electrically connected with the predetermined connection terminals; and

[0056] A plurality of first connecting members, the plurality of first connecting members respectively have electric connection ends, the plurality of electric connection ends are respectively electrically connected with the first connecting portions on the plurality of connection terminals.

[0057] According to one embodiment of the present application, in a radial direction of the terminal support seat, the first connecting portions of the connection terminals are disposed close to the outer side.

[0058] According to one embodiment of the present application, the longitudinal direction of the connection terminals is disposed in a radial direction of the terminal support seat.

[0059] According to one embodiment of the present application, the terminal body is formed with two ends in a longitudinal direction;

[0060] One end of the terminal body is provided with a limiting portion;

[0061] The first connecting portion is disposed on the other end of the terminal body;

[0062] The limiting portion is disposed extending downwardly and obliquely from one end to the other end of the connection terminal;

[0063] The seat body is provided with a blocking portion;

[0064] The blocking portion is longitudinally blocked and matched with the limiting portion.

[0065] According to one embodiment of the present application, the seat body is provided with a guide hole;

[0066] The first connecting member is disposed extending through the guide hole;

[0067] The guide hole is arranged radially more inwardly than the position of the terminal support seat.

[0068] According to one embodiment of the present application, further comprising:

[0069] The guide hole is arranged between the terminal bodies corresponding to the two adjacent connecting terminals.

[0070] According to one embodiment of the present application, further comprising:

[0071] A crimping member;

[0072] The crimping member is crimped with the electric connection end of the first connecting member to be integrated.

[0073] The crimping member is electrically connected with the first connecting member.

[0074] According to one embodiment of the present application, the crimping member is arranged to be bent relative to the first connecting member.

[0075] According to one embodiment of the present application, the crimping member is arranged along the radial direction of the terminal support seat.

[0076] According to one embodiment of the present application, the crimping member forms a sleeve, and the sleeve has a sleeve wall; the sleeve wall surrounds a sleeve cavity.

[0077] The sleeve wall is welded to be electrically connected with the first connecting member.

[0078] The electric connection end of the first connecting member extends into the sleeve cavity and is in contact with the sleeve wall to be electrically connected.

[0079] According to one embodiment of the present application, further comprising:

[0080] An end cover is detachably mounted on the support;

[0081] The end cover comprises a terminal cover, which is covered with the terminal support seat to enclose the connecting terminals therein.

[0082] According to one embodiment of the present application, further comprising:

[0083] A sealing adhesive is arranged to cover the electric connection part of the electric connection end of the connecting terminal, the connection end of the coil and the first connecting member.

[0084] Compared with the prior art, the connecting terminal can be assembled integrally with the terminal support seat. The overall structure of the connecting terminal is simplified, and corresponding electrical connection is realized through the first connecting part and the second connecting part. As preferred, the first connecting part and the second connecting part extend in different directions respectively, and space can be fully utilized. Further, the first connecting part is arranged transversely protruding relative to the second connecting part, which can facilitate connection and fully utilize space, so that the overall structure is compact and can adapt to strict size requirements. The terminal support seat is provided with a clearance part, which can facilitate the first connecting part to realize the matching connection of the corresponding first connecting piece. As preferred, the cooperation of the terminal support seat and the connecting terminal can facilitate the axial wire extension of the first connecting piece, and the application performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0085] Figure 1 A perspective structural schematic view of a connecting terminal provided by the present application.

[0086] Figure 2 A connecting terminal Figure 1 A connecting terminal

[0087] Figure 3 A connecting terminal Figure 1 A connecting terminal

[0088] Figure 4 A terminal support seat for matching support Figure 1 A partial perspective sectional view of a terminal support seat of a connecting terminal.

[0089] Figure 5 A terminal support seat Figure 4 A terminal support seat

[0090] Figure 6 A partial perspective sectional view of a rotary transformer provided by the present application.

[0091] Figure 7 A rotary transformer Figure 6 A rotary transformer

[0092] Figure 8 A rotary transformer Figure 6 A rotary transformer

[0093] Figure 9 A rotary transformer Figure 8 A rotary transformer

[0094] Figure 10 A rotary transformer Figure 9 A rotary transformer

[0095] Figure 11 A partial enlarged view of a resolver at Z3. Figure 10

[0096] Figure 12 A schematic view of a resolver structure.

[0097] Figure 13 A schematic view of an axial projection of a resolver provided by the present application. DETAILED DESCRIPTION

[0098] The present application will be described in detail below with reference to the accompanying drawings: EMBODIMENT

[0099] Please refer to Figures 1 to 3 which is a connecting terminal 101 provided by the present application. The connecting terminal 101 comprises a terminal body 10, a first connecting part 30 and a second connecting part 50. The first connecting part 30 is arranged on the terminal body 10 and is used for electrically connecting a first connecting member 402. The second connecting part 50 is arranged on the terminal body 10 and is used for electrically connecting a second connecting member (not shown in the figure).

[0100] The terminal body 10 is used for supporting other structures of the connecting terminal 101. The specific shape and structure of the terminal body 10 can be any shape and structure as long as it can realize the corresponding support. In the present embodiment, the terminal body 10 is generally plate-shaped. The connecting terminal 101 has an axial installation direction. Correspondingly, the terminal body 10 is arranged in axial extension. The terminal body 10 has a top end and a bottom end in the axial direction.

[0101] The first connecting part 30 is arranged in longitudinal protrusion from the terminal body 10. The first connecting part 30 is used for electrically connecting the first connecting member 402. In order to make full use of space and facilitate the electrical connection between the first connecting part 30 and the first connecting member 402, at least part of the first connecting part 30 is arranged in transverse protrusion relative to the second connecting part 50. Correspondingly, at least part of the first connecting part 30 is arranged in transverse protrusion relative to the terminal body 10. As a preferred, all of the first connecting part 30 is arranged in transverse protrusion relative to the second connecting part 50. The specific shape and structure of the first connecting part 30 can be any shape and structure as long as it can realize the corresponding electrical connection. Specifically, the first connecting part 30 comprises a connecting surface 35 used for contacting and connecting the first connecting member 402. At least part of the connecting surface 35 is arranged upward along the axial direction. The connecting surface 35 comprises an upwardly arched surface 351.

[0102] ​In order to facilitate the support of the first connecting portion 30, the terminal body 10 is provided with a first supporting portion 25. The first supporting portion 25 is transversely protruded from the terminal body 10. In order to make full use of the space, in the present embodiment, the first supporting portion 25 is substantially in the shape of a letter "L" extending in the transverse and longitudinal directions. The first supporting portion 25 is used to support the first connecting portion 30. Correspondingly, the terminal body 10 is longitudinally protruded from the first supporting portion 25. In order to facilitate the first connecting portion 30 to achieve the corresponding welding connection and make full use of the space, part of the first connecting portion 30 is transversely protruded relative to the first supporting portion 25. Correspondingly, the first connecting portion 30 forms a gap 28 with the first supporting portion 25. In the present embodiment, both sides of the first connecting portion 30 are transversely protruded from the first supporting portion 25 and form a pair of gaps 28a, 28b.

[0103] The second connecting portion 50 is continuously extended from the terminal body 10. As a preferred, the second connecting portion 50 is axially protruded from the top end of the terminal body 10. The specific shape and structure of the second connecting portion 50 can be achieved as long as it can be connected with the corresponding second connecting member (not shown in the figure). In the present embodiment, the second connecting portion 50 includes a pair of clamping jaws 52, 52b. The pair of clamping jaws 52, 52b enclose a receiving groove 54. When the second connecting member is received in the receiving groove 54, the pair of clamping jaws 52, 52b clamps the corresponding second connecting member and contacts each other to achieve electrical connection. Specifically, the pair of clamping jaws 52, 52b enclose a substantially letter "V" shape. In order to facilitate the connection of the connecting terminal 101 with other structures, the second connecting portion 50 is longitudinally spaced apart from the first connecting portion 30 and is respectively arranged at the longitudinal ends of the connecting terminal. Specifically, the second connecting portion 50 is longitudinally spaced apart from the first supporting portion 25. Part or all of the first connecting portion 30 and the second connecting portion 50 are transversely staggered on the connecting terminal, that is, in the projection view in the transverse direction, the first connecting portion 30 and the second connecting portion 50 are perpendicular to each other and intersected in the transverse direction.

[0104] In order to facilitate the connecting terminal 101 to obtain further support from the corresponding supporting shell 201, the connecting terminal 101 further includes a limiting portion 45. The limiting portion 45 is longitudinally protruded relative to the terminal body 10. In order to fully save space, the limiting portion 45 is obliquely extended. In order to further save space, the axial top end of the limiting portion 45 is used to support the second connecting portion 50. Correspondingly, the terminal body 10 is formed with an inner end and an outer end in the longitudinal direction. The inner end of the terminal body 10 is close to the inside of the following terminal supporting seat 201. The limiting portion 45 is obliquely extended outward from the inner end of the terminal body 10. Correspondingly, the first connecting portion 30 is arranged at the outer end of the terminal body 10.

[0105] In order to further facilitate the electrical connection with the third connecting member, the connecting terminal 101 further comprises a third connecting portion 70. The third connecting portion 70 is continuously arranged from the terminal body 10. Specifically, the third connecting portion 70 is arranged perpendicularly to the axial direction of the connecting terminal 101. Further, in order to save space, at least part of the third connecting portion 70 is arranged protruding laterally relative to the terminal body 10. At least part of the third connecting portion 70 is arranged protruding laterally relative to the second connecting portion 50. In order to facilitate the welding connection of the third connecting portion 70 with the corresponding third connecting member, the third connecting portion 70 has a concave surface 75. That is, the third connecting portion 70 forms a groove. Specifically, the concave surface 75 is arranged extending through the lateral direction of the terminal body 10, and the groove is a through groove. The concave surface 75 is a part of a circular tube surface.

[0106] In order to facilitate the stable installation on the terminal support seat 201, the connecting terminal 101 further comprises a mounting leg 90. The mounting leg 90 is continuously arranged from the terminal body 10. Specifically, the mounting leg 90 is arranged protruding from the axial bottom end of the terminal body 10. The specific shape and structure of the mounting leg 90 can be achieved as long as the corresponding installation can be achieved. In the embodiment, the mounting leg 90 is used for plug-in installation. Specifically, the mounting leg 90 is generally plate-shaped. In order to further improve the stability of the mounting leg 90 and the terminal support seat 201 assembled as a whole, the mounting leg 90 has a protruding retaining rib 92. Accordingly, in order to facilitate manufacturing, the retaining rib 92 is arranged on the lateral two side walls of the mounting leg 90.

[0107] In order to improve the stability of the connecting terminal 101, the connecting terminal 101 is a one-piece. Specifically, the connecting terminal 101 can be manufactured by using any conductive metal material. In order to further facilitate the full use of manufacturing materials, the connecting terminal 101 is manufactured by using a whole piece of substantially uniform plate material. Accordingly, the connecting terminal 101 is made by stamping. According to the needs, the connecting terminal 101 can be further manufactured by cutting.

[0108] Embodiment two:

[0109] Please refer to Figure 4 and Figure 5 , the application further provides a terminal support seat 201 assembled with the connecting terminal 101 described in the foregoing embodiment one. That is, the terminal support seat 201 is used for supporting the connecting terminal 101.

[0110] The terminal support 201 includes a base body 210. The base body 210 supports the connecting terminal 101. The base body 210 is provided with a guide hole 230. The guide hole 230 is used to guide a first connector connected to the connecting terminal 101. The base body 210 is provided with a clearance hole 250. The clearance hole 250 is used to provide accommodating space for the first connector to make contact with the first connection portion 30 of the connecting terminal 101.

[0111] The specific shape and structure of the base body 210 need only be able to support the other parts of the terminal support base 201. As a preferred embodiment, the base body 210 can be used to support a transformer coil. Specifically, the terminal support base 201 is annular. When the terminal support base 201 is annular, its longitudinal direction is also its radial direction. The base body 210 has an inner peripheral wall 211a. The inner peripheral wall 211a forms a circular hole 212. The circular hole 212 extends axially as a through hole. The base body 210 has an outer peripheral wall 211b. The outer peripheral wall 211b is used to limit the overall radial dimension of the terminal support base 201.

[0112] To further facilitate stable support of the corresponding transformer coil, a coil holding portion 220 is protruding from the inner peripheral wall 211a of the base body 210. The coil holding portion 220 is used to directly support the corresponding transformer coil. The specific shape and structure of the coil holding portion 220 only need to be able to support the corresponding transformer coil. In this embodiment, to improve the stability of the support provided by the coil holding portion 220 for the transformer coil, the coil holding portion 220 is approximately T-shaped. Correspondingly, the coil holding portion 220 and a portion of the inner peripheral wall 211a form an approximately I-shape. Furthermore, multiple coil holding portions 220 are evenly arranged along the circumference of the base body 210.

[0113] The guide hole 230 is used to guide the corresponding first connector. The specific shape and structure of the guide hole 230 only need to accommodate and constrain the extension direction of the corresponding first connector. In this embodiment, the guide hole 230 is disposed through the base body 210 along the axial direction of the terminal support 201 and is a through hole. That is, the guide hole 230 is disposed axially through the upper surface 210a and the lower surface 210b of the base body 210. More specifically, the guide hole 230 can be a circular hole. The number and distribution of the guide holes 230 are selected as needed. In this embodiment, multiple guide holes 230 are arranged in a row along the transverse direction of the terminal support 201.

[0114] In order to further facilitate the stable support of the connection terminal 101, the seat body 210 is provided with mounting holes 225. Specifically, the mounting holes 225 extend axially from the upper surface 210a of the seat body 210. The shape and structure of the mounting holes 225 can be any shape and structure that can accommodate and hold the mounting leg 90 of the corresponding connection terminal 101. Specifically, the mounting holes 225 are substantially rectangular holes. In order to improve the stable holding performance of the mounting holes 225 on the mounting leg 90, the hole wall of the mounting hole 225 is in interference fit with the mounting leg 90. That is, the hole wall surrounding the mounting hole 225 is in radial abutment with the mounting leg 90. In the present embodiment, the mounting hole 225 axially penetrates the seat body 210 and is a through hole. The number and arrangement of the mounting holes 225 are selected as needed. In the present embodiment, a plurality of mounting holes 225 are arranged in a row along the lateral direction of the terminal support seat 201. In order to make full use of space, the mounting holes 225 are arranged laterally adjacent to the guide holes 230. That is, the mounting holes 225 and the guide holes 230 are arranged in a row along the lateral direction of the terminal support seat 201. Further, the mounting holes 225 and the guide holes 230 are alternately arranged in a row along the lateral direction of the terminal support seat 201. Accordingly, each of the mounting holes 225 is provided with the guide holes 230 on one or both sides in the lateral direction.

[0115] The mounting holes 225 are a preferred embodiment of the second support portion. The second support portion can adopt other structures to support the aforementioned connection terminal 101. For example, the second support portion can adopt a clamping structure, a slot structure, etc.

[0116] The accommodation hole 250 is arranged on the seat body 210. The accommodation hole 250 is used to provide a space for the first connecting part 30 of the connecting terminal 101 to connect with the first connecting member. The specific shape and structure of the accommodation hole 250 can be any shape as long as it can facilitate the connection between the first connecting part 30 and the first connecting member. As a preferred embodiment, the first connecting part 30 and the first connecting member are welded. More specifically, the first connecting part 30 and the first connecting member are resistance welded. Accordingly, the accommodation hole 250 can provide a space for the first connecting part 30 and the first connecting member to be resistance welded. In order to further facilitate the connection between the third connecting part 70 and the third connecting member, the accommodation hole 250 is a through hole that penetrates the seat body 210 in the axial direction. More specifically, the accommodation hole 250 can be a circular hole. The number and distribution of the accommodation hole 250 can be selected as needed. In this embodiment, a plurality of accommodation holes 250 are arranged in a row along the lateral direction of the terminal support seat 201. In order to make full use of space, adjacent accommodation holes 250 are arranged in communication with each other. In order to make further use of space and facilitate the installation of the connecting terminal 101, the accommodation hole 250 is arranged longitudinally opposite to the guide hole 230. More specifically, the accommodation hole 250 is arranged longitudinally opposite to the guide hole 230. The accommodation hole 250 has a radial dimension greater than that of the guide hole 230. Specifically, the accommodation hole 250 has a lateral dimension and / or a longitudinal dimension greater than that of the guide hole 230. In order to make full use of space, a lateral edge of the accommodation hole 250 is arranged flush with a lateral edge of the connecting terminal 101.

[0117] The accommodation hole 250 is a preferred embodiment of the accommodation part. The accommodation part is used to provide a space for the first connecting part 30 of the connecting terminal 101 to connect with the first connecting member 402. The accommodation part can be an accommodation groove, a cavity, or the like.

[0118] In order to further stably support the first connecting member, the seat body 210 is provided with a retaining groove 245. The retaining groove 245 is longitudinally arranged along the terminal support seat 201. In order to facilitate the installation of the first connecting member, the retaining groove 245 is in communication with the accommodating hole 250. As a preferred embodiment, the retaining groove 245 longitudinally penetrates the outer peripheral wall 211b of the seat body 210 and is a through groove. The specific shape of the retaining groove 245 can be any shape as long as it can accommodate and retain the corresponding first connecting member. In the embodiment, the retaining groove 245 is substantially a circular arc groove. The number and distribution of the retaining grooves 245 are selected as needed. In the embodiment, a plurality of the retaining grooves 245 are arranged in a row along the lateral direction of the terminal support seat 201. Each of the retaining grooves 245 is longitudinally arranged opposite to a corresponding accommodating hole 250. That is, the retaining groove 245, the accommodating hole 250, and the guide hole 230 are longitudinally arranged in sequence and are sequentially arranged from the outside to the inside with respect to the seat body 210. Accordingly, the accommodating hole 250 and the guide hole 230 are longitudinally spaced apart, and the seat body 210 can support the first support portion 25 of the connecting terminal 101.

[0119] In order to further support the connecting terminal 101 by the terminal support seat 201, the terminal support seat 201 further comprises a blocking portion 265. The blocking portion 265 is axially protrudingly arranged on the seat body 210. Specifically, the blocking portion 265 is arranged on the upper surface 210a of the seat body 210. The blocking portion 265 is longitudinally arranged opposite to and can be in contact with the terminal body 10. Specifically, the blocking portion 265 has a lateral outwardly inclined extension arrangement. The blocking portion 265 can be longitudinally arranged opposite to and can be in contact with the limiting portion 45 of the connecting terminal 101. The blocking portion 265 is longitudinally arranged opposite to the mounting hole 225. In the embodiment, a plurality of the blocking portions 265 are arranged in a row in the lateral direction.

[0120] Embodiment Three:

[0121] Please refer to Figures 6 to 13 The application also provides a resolver 401. The resolver 401 comprises the connecting terminal 101 as described in Embodiment One and the terminal support seat 201 as described in Embodiment Two. The connecting terminal 101 is arranged on the terminal support seat 201.

[0122] The assembly relationship between the connection terminal 101 and the terminal support seat 201 is described as follows: the mounting leg 90 is inserted into the mounting hole 225. The mounting leg 90 is in radial abutment with the hole wall of the mounting hole 225. The retaining rib 92 on the mounting leg 90 is in radial abutment with the hole wall of the mounting hole 225. The terminal body 10 is accommodated in the mounting hole 225 as required. The first support portion 25 can be in contact with the seat body 210, thereby obtaining support of the seat body 210. The first connection portion 30 extends to be axially opposite to the accommodation hole 230. The first connection portion 30 extends longitudinally and can be accommodated in the accommodation hole 230 as required. The third connection portion 70 extends into the accommodation hole 230. Accordingly, the upper arc surface 35 and the concave surface 75 are perpendicular to the central axis of the accommodation hole 230. The blocking portion 25 of the connection terminal 101 is transversely opposite to the blocking portion 265 and can be arranged in contact with each other.

[0123] The electrical connection assembly 301 further comprises a first connecting piece 402. The first connecting piece 402 passes through the guide hole 230. One end of the first connecting piece 402 extends to be in contact and electrically connected with the first connection portion 30. In this embodiment, one end of the first connecting piece 402 is in contact and electrically connected with the upper arc surface 35. More specifically, one end of the first connecting piece 402 is welded to the upper arc surface 35. As a preferred embodiment, one end of the first connecting piece 402 is resistance-welded to the upper arc surface 35. The other end of the first connecting piece 402 extends through the guide hole 230 and continuously extends along the axial direction of the terminal support seat 201.

[0124] To further enhance the stable connection performance of the first connecting member 402 and the first connecting portion 30, the electric connection assembly 301 further comprises a crimping member, which is crimped with the electric connection end of the first connecting member 402 and connected into one body. The crimping member is arranged to be bent relative to the first connecting member. The crimping member is arranged along the longitudinal direction of the terminal support member. The crimping member is electrically connected with the first connecting portion 30. In the example shown in the figure, the crimping member is a tubular shape, i.e. a sleeve 404 shown in the figure. The sleeve 404 has a sleeve wall 442. The sleeve wall 442 surrounds a tubular cavity. The tubular cavity is used to accommodate one end 402a of the first connecting member 402. Accordingly, the sleeve wall 442 is arranged in contact with one end 402a of the first connecting member 402. Further, a contact protruding rib 446 is arranged on the outer circumferential surface of the sleeve wall 442. The contact protruding rib 446 can be arranged in transverse abutment with the groove wall of the retaining groove 245. That is, the sleeve 404 is in interference fit with the retaining groove 245. The sleeve 404 can be directly welded with the first connecting portion 30. Specifically, the sleeve 404 is resistance-welded with the first connecting portion 30.

[0125] The coil 406 is arranged on the seat body 210. The specific specifications and parameters of the coil 406 are selected according to the application requirements. Accordingly, the coil 406 can be formed by winding a multi-turn copper wire. The coil 406 is arranged on the inner circumferential wall 211a of the seat body 210. In this embodiment, the coil 406 is arranged on the coil retaining portion 220. Accordingly, a plurality of coils 406 are arranged in a circumferential distribution along the seat body 210.

[0126] The rotary transformer further comprises an end cover 410, which is annular in shape and adapted to the shape of the seat body 210. The end cover 410 comprises a terminal cover 411, which covers the connection terminal 101 in combination with the terminal support seat 201.

[0127] According to the embodiment of the present application, the rotary transformer further comprises sealing glue, which is arranged to cover the electric connection part of the connection end of the coil 406 and the electric connection end of the first connecting member 402.

[0128] It should be noted that, unless otherwise specified, the "upper", "lower", "left", "right", "front", "rear", "one", "another" appearing in the present application are relative concepts, which are used in combination with the drawings to facilitate the understanding of the relative spatial positions of various components. Among them, the "axial direction", "longitudinal direction" and "transverse direction" are perpendicular to each other in pairs. The "axial direction" can refer to the direction in which the connection terminal 101 is mounted to the terminal support seat 201, i.e. Figure 3the up-and-down direction in FIG. 1. The "longitudinal direction" can refer to the radially inner-outer direction of the terminal support seat 201, that is, the direction in which the terminal support seat 201 extends in the radial direction of the terminal body 10. Figure 2 the up-and-down direction in FIG. 1. The "longitudinal direction" can refer to the radially inner-outer direction of the terminal support seat 201, that is, the direction in which the terminal support seat 201 extends in the radial direction of the terminal body 10. Figure 2 the up-and-down direction in FIG. 1. The "longitudinal direction" can refer to the radially inner-outer direction of the terminal support seat 201, that is, the direction in which the terminal support seat 201 extends in the radial direction of the terminal body 10.

[0129] The above description is merely preferred embodiments of the present application, and is not intended to limit the protection scope of the present application. Any modification, equivalent replacement or improvement within the spirit of the present application is intended to be covered by the claims of the present application.

Claims

1. A connection terminal (101) for a resolver, characterized in that Comprising: a terminal body (10) extending in an axial direction and having a top end and a bottom end formed in the axial direction; a first support portion (25) continuously extending laterally from the terminal body (10); a first connecting portion (30) continuously extending longitudinally from the first support portion (25), the first connecting portion including a connecting surface for contacting and connecting a first connecting member (402); and a second connecting portion (50) axially protruding and continuously extending on the top end of the terminal body for connecting a second connecting member; wherein at least part of the connecting surface is disposed upward in the axial direction; and wherein the first connecting portion (30) and the second connecting portion (50) are respectively disposed at longitudinal ends of the first support portion (25); the first connecting portion (30) and the second connecting portion (50) are substantially located on the same axial side of the top end of the terminal body.

2. The connecting terminal according to claim 1, wherein: the terminal body is disposed to be axially mounted to a terminal support seat (201); the first connecting portion (30) is disposed to extend in a longitudinal direction of the connecting terminal; the second connecting portion (50) is disposed to extend in an axial direction of the connecting terminal.

3. The connecting terminal according to claim 1, wherein: at least part of the first connecting portion (30) is disposed to protrude laterally relative to the first support portion (25) and enclose a notch (28, 28b) with the first support portion (25).

4. The connecting terminal according to claim 1, wherein: the connecting surface of the first connecting portion includes an upwardly arched surface (351); the upwardly arched surface is disposed to protrude in a reverse direction of a mounting direction of the connecting terminal (101) for contacting and electrically connecting with the first connecting member (402).

5. The connecting terminal according to claim 1, wherein: the second connecting portion (50) includes a pair of clamping jaws (52, 52b); the pair of clamping jaws enclose a clamping groove (54); the pair of clamping jaws are used to clampingly engage with a second connecting member when the second connecting member is accommodated in the clamping groove.

6. The connecting terminal according to claim 1, characterized by Further comprising: a mounting leg (90) disposed on the terminal body (10) and continuously extending in a mounting direction of the connecting terminal.

7. The connecting terminal according to claim 6, wherein: the mounting leg (90) is disposed on the bottom end of the terminal body.

8. The connecting terminal according to claim 1, wherein: the connecting terminal is a one-piece member.

9. The connecting terminal according to claim 1, wherein: the connecting terminal is made of a plate-shaped member having a uniform thickness.

10. The connecting terminal according to any one of claims 1 to 9, wherein: part or all of the first connecting portion (30) is disposed longitudinally spaced apart relative to the second connecting portion (50).

11. The connecting terminal according to claim 10, wherein: Part or all of the first connecting portion (30) and the second connecting portion (50) are arranged transversely staggered with respect to the connecting terminal.

12. A terminal support seat (201) for a rotary transformer for mounting a support of a connection terminal (101) as claimed in claim 1, characterized in that, The terminal support seat (201) comprises: a seat body (210); a second support portion is arranged on the seat body (210) and used for mounting a terminal body (10) supporting the connecting terminal (101), an axially extending guide hole (230) and a clearance portion (250) are further arranged on the seat body (210); wherein the guide hole (230) is used for the first connecting member (402) to pass through, and the clearance portion (250) is used for providing a space for the first connecting portion (30) of the connecting terminal (101) to connect and match with the first connecting member (402) passing through the guide hole (230); and wherein the guide hole (230) is arranged more close to the inner side of the terminal support seat (201) longitudinally relative to the clearance portion (250).

13. The terminal support seat according to claim 12, characterized in that: the terminal support seat is assembled with the connecting terminal in a pair in an axial direction; at least part of the clearance portion (250) is arranged transversely spaced relative to the second support portion.

14. The terminal support seat according to claim 12, characterized in that: the second support portion comprises a mounting hole (225); when the mounting leg (90) of the connecting terminal is accommodated in the mounting hole, the hole wall of the mounting hole is arranged abuttingly with the mounting leg.

15. The terminal support seat according to claim 14, characterized in that: the clearance portion comprises a plurality of clearance holes arranged in a row along the transverse direction of the terminal support seat; adjacent clearance holes are arranged in communication with each other.

16. The terminal support seat according to claim 12, characterized in that: the seat body has an outer peripheral wall (211b); the seat body is provided with a retaining groove (245), the retaining groove (245) extends through the outer peripheral wall for accommodating the first connecting member.

17. The terminal support seat according to claim 16, characterized in that: the retaining groove (245) is longitudinally aligned with the guide hole.

18. The terminal support seat according to claim 17, characterized in that: the terminal support seat is assembled with the connecting terminal in a pair in an axial direction; the guide hole is arranged opposite to the clearance portion (250) along the longitudinal direction of the terminal support seat.

19. The terminal support seat according to claim 12, characterized in that: the second support portion is used for mounting the connecting terminal as claimed in any one of claims 1 to 11.

20. A resolver (301), characterized by comprises: the terminal support seat as claimed in any one of claims 12 to 19; the terminal support seat is circular ring-shaped; the terminal support seat is provided with a plurality of coil retaining portions; the terminal body (10) of the connecting terminal as claimed in any one of claims 1 to 11 is fixedly arranged on the second support portion of the terminal support seat, respectively. a plurality of coils (406) disposed around the coil holding portion; and a plurality of first connecting members (402) each having an electrical connecting end electrically connected to the first connecting portion of the connecting terminal.

21. The resolver according to claim 20, wherein: the first connecting portion of the connecting terminal is disposed close to the outer side of the second support portion in the radial direction of the terminal support seat.

22. The resolver according to claim 20, wherein: the longitudinal direction of the connecting terminal is disposed in the radial direction of the terminal support seat.

23. The resolver according to claim 20, wherein: the terminal body is formed with two ends in the longitudinal direction of the terminal support seat; one end of the terminal body is provided with a limiting portion (45); the first connecting portion is disposed at the other end of the terminal body; the limiting portion is disposed extending downwardly and obliquely from one end to the other end of the connecting terminal; the seat body is provided with a blocking portion (265); the blocking portion is longitudinally blocked with the limiting portion.

24. The resolver according to claim 20, wherein: the seat body is provided with a guide hole (230); the first connecting member extends through the guide hole; the guide hole is disposed closer to the inner side of the terminal support seat than the limiting portion (250). Further comprising:

25. The resolver of claim 24, wherein, the guide hole is disposed between the terminal bodies corresponding to the two adjacent connecting terminals. Further comprising:

26. The resolver of claim 20, wherein, a crimping member; the crimping member is crimped with the electrical connecting end of the first connecting member to be integrated; the crimping member is electrically connected with the first connecting portion (30).

27. The resolver according to claim 26, wherein: the crimping member is disposed bent relative to the first connecting member.

28. The resolver according to claim 26, wherein: the crimping member is disposed in the radial direction of the terminal support seat.

29. The resolver according to claim 26, wherein: the crimping member forms a sleeve (404) having a sleeve wall; the sleeve wall encloses a sleeve cavity; the sleeve wall is welded to be electrically connected with the first connecting portion (30); the electrical connecting end of the first connecting member extends into the sleeve cavity and is in contact with the sleeve wall to be electrically connected. Further comprising:

30. The resolver of claim 20, wherein, an end cover detachably mounted on the bracket; the end cover comprises a terminal cover which covers the terminal support seat to enclose the connecting terminal therein. Further comprising:

31. The resolver of claim 30, wherein, sealing glue which covers the electrical connection between the connecting terminal and the electrical connecting end of the first connecting member. ​

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