Connecting device of substrate of servo driver and servo driver
By using the elastic connection of the conductive power in the servo drive substrate connection, the problem of the aging of metal pads and the fixed precision operation of the screw is solved, and the stable and simple connection of the wire and the substrate is realized.
Patent Information
- Application Number
- CN202420645731.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-29
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-03-29
AI Technical Summary
In the connection mode of the existing servo drive substrate, the metal gasket is prone to aging or breaking, resulting in poor communication, and the screw fixation requires precise operation, which easily interferes with the peripheral circuit.
The wire and the servo drive substrate are used to connect through the elastic connection end of the conductivity. The outer diameter of the elastic connection end is greater than the inner diameter of the connector port to achieve the coordination of the agent, simplifying the installation process and improving the stability of the connection.
The stable connection between the wire and the servo drive's substrate is achieved, simplifying the installation process, avoiding interference with the surrounding circuits, and ensuring the connection effect.
Smart Images

Figure CN222422416U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of motors, and in particular relates to a connecting device for a substrate of a servo driver. Background Art
[0002] There are multiple servo drive substrates in the motor servo controller, such as a DEF type power supply substrate and a capacitor substrate. When connecting the DEF type power supply substrate and the capacitor substrate through wires, annular metal gaskets need to be pre-installed at both ends of the wires, and a connection terminal seat is set on the substrate. When connecting, the annular metal gasket is plugged into the connection terminal seat, and screws are passed through the annular metal gasket and fixed to the connection terminal seat. The metal gasket in this connection method is prone to aging or breaking or falling off under impact, resulting in poor communication, and when using screws to fix on the substrate, precise operation and accurate positioning are required, otherwise it is easy to interfere with the peripheral circuits, causing the peripheral circuits to fall off. Utility Model Content
[0003] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and to provide a connection device for a substrate of a servo drive. The operation of connecting the wire and the servo drive substrate through an elastic connection end is simple, the wire and the servo drive substrate can be quickly positioned and the connection is firm, thereby ensuring the connection effect.
[0004] The utility model is realized by the following technical solutions:
[0005] A connection device for a substrate of a servo drive, comprising a wire for connecting to a connection port on the servo drive substrate; and at least one conductive elastic connection end, which is used for interference fit with the connection port on the servo drive substrate, and the outer diameter of the elastic connection end is larger than the inner diameter of the connection port.
[0006] In the utility model, the substrate is connected to the wire through the elastic connection end, and the elastic connection end is squeezed by the inner wall of the connection port to be deformed and can be inserted into the connection port. Since the outer diameter of the elastic connection end is larger than the inner diameter of the connection port, the elastic connection end remains in a compressed state, forming an interference connection with the connection port, thereby achieving a stable connection between the wire and the servo drive substrate. In the substrate connection device of the utility model, the operation of connecting the wire and the servo drive substrate through the elastic connection end is simple, the installation process of the wire does not interfere with the peripheral circuit on the servo drive substrate, the wire and the servo drive substrate can be quickly positioned and the connection is stable, ensuring the connection effect.
[0007] Furthermore, the elastic connection end includes two symmetrically arranged elastic connection arms, the elastic connection arms include a first end and a second end, the first ends of the two elastic connection arms are connected to the wire, the second ends of the two elastic connection arms are relatively arranged to be openable and closable, and a movable gap is formed between the second ends of the two elastic connection arms; the sum of the outer diameters of the two elastic connection arms is greater than the inner diameter of the connection port. The outer diameters of the two elastic connection arms are greater than the inner diameter of the connection port, and they are squeezed by the inner wall of the connection port and tightly abut against the inner wall of the connection port to achieve an interference fit.
[0008] Furthermore, the elastic connecting arm is a metal spring, which is used to achieve conduction and to achieve interference fit with the connecting port by utilizing its elasticity.
[0009] Furthermore, the elastic connecting arm further comprises an enclosure section, wherein the first end and the second end are respectively arranged at both ends of the enclosure section; the two elastic connecting arms are enclosed to form an annular structure, wherein the shape of the enclosure section is adapted to the shape of the inner wall of the connection port. The shape of the enclosure section is adapted to the shape of the inner wall of the connection port so as to be closely abutted against the inner wall of the connection port; the two elastic connecting arms are enclosed to form an annular structure having the movable gap, wherein the shape of the enclosure section is adapted to the shape of the inner wall of the connection port. When the elastic connecting arm needs to be taken out, the enclosure section is squeezed to reduce the width of the movable gap, and the elastic connecting arm can be taken out from the connection port.
[0010] Furthermore, the elastic connecting arm further comprises a flexible connecting section, which is arranged at the end of the wire and between the wire and the elastic connecting arm. The flexible connecting section is arranged between the wire and the first end to adapt to the structure on the substrate.
[0011] Furthermore, the number of the elastic connection ends is at least two, and the at least two elastic connection ends are respectively arranged at two ends of the wire.
[0012] Furthermore, it also includes a pressing plate, which includes an annular connecting portion and two limiting plates, and the two limiting plates are respectively fixed on two opposite sides of the annular connecting portion; the annular connecting portion is sleeved and rotatably arranged on the wire.
[0013] Furthermore, the extending direction of the limiting piece is perpendicular to the extending direction of the elastic connecting arm.
[0014] The utility model also provides a servo driver, comprising a servo driver substrate and a connecting device of the substrate; the servo driver substrate is provided with a connecting port; and the elastic connecting end is inserted into the connecting port.
[0015] The utility model also provides a servo driver, comprising a servo driver substrate and a connecting device of the substrate; the servo driver substrate is provided with a connecting port; and the elastic connecting end is inserted into the connecting port.
[0016] A mounting slot is provided on the servo driver substrate, and the connection port is located in the mounting slot; an extension hole is provided on two opposite sides of the mounting slot, and the extension direction of the extension hole is the same as the extension direction of the two limiting plates; when the elastic connecting arm is inserted into the connection port, the two limiting plates are respectively inserted into two opposite extension holes.
[0017] In the servo driver provided by the utility model, when the elastic connecting arm is inserted into the connecting port, the two limiting pieces are respectively inserted into the extending holes to apply pressure to the elastic connecting arm to achieve an interference fit between the elastic connecting arm and the connecting port.
[0018] In order to better understand and implement the present invention, the present invention is described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of a substrate connection device.
[0020] Figure 2 yes Figure 1 A partial enlarged view of .
[0021] Figure 3 This is the front view of the substrate.
[0022] Figure 4 It is a schematic diagram of the installation between the connecting device of the substrate and the substrate.
[0023] Figure 5 It is a schematic diagram of the structure of the substrate.
[0024] Figure 6 It is a schematic diagram of the tableting structure.
[0025] Figure 7 This is the installation structure diagram of two servo drive baseplates. DETAILED DESCRIPTION
[0026] The following is a further detailed description of the embodiments of the utility model in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the embodiments of the utility model, rather than to limit the embodiments of the utility model. It should also be noted that, for ease of description, only parts related to the embodiments of the utility model are shown in the accompanying drawings, rather than all structures.
[0027] In addition, the terms first, second, third, etc. in the specification and claims are only used for the purpose of describing the same technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated, nor necessarily describing the order or time sequence. The terms are interchangeable where appropriate. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.
[0028] Similarly, the terms "fixed" and "connected" used in the specification and claims should not be construed as limited to direct connection. Therefore, the expression "device A is connected to device B" should not be limited to a device or system in which device A is directly connected to device B, but means that there is a path between device A and device B, which may be a path including other devices or tools.
[0029] Example 1
[0030] This embodiment provides a connection device for a substrate of a servo drive. Figure 1 is a schematic diagram of the structure of the substrate connection device, Figure 2 yes Figure 1 For a partial enlargement of Figure 1-2 The connecting device of the substrate includes a wire 1 for connecting to the servo drive substrate 3; and at least one conductive elastic connecting end 2, which is used to interference fit with the connecting port 33 on the servo drive substrate 3, and the outer diameter of the elastic connecting end 2 is larger than the inner diameter of the connecting port 33.
[0031] In this embodiment, the substrate is connected to the wire 1 through the elastic connection end 2, and the elastic connection end 2 is squeezed and deformed by the inner wall of the connection port 33, and can be inserted into the connection port 33. Since the outer diameter of the elastic connection end 2 is larger than the inner diameter of the connection port 33, the elastic connection end 2 remains in a compressed state, forming an interference connection with the connection port 33, thereby achieving a stable connection between the wire 1 and the servo driver substrate 3. In the substrate connection device of this embodiment, the operation of connecting the wire 1 and the servo driver substrate 3 through the elastic connection end 2 is simple, the installation process of the wire 1 does not interfere with the peripheral circuit on the servo driver substrate 3, the wire 1 and the servo driver substrate 3 can be quickly positioned and the connection is stable, ensuring the connection effect.
[0032] See also Figure 1-2In this embodiment, the elastic connection end 2 includes two symmetrically arranged elastic connection arms 21, the elastic connection arms 21 include a first end 211 and a second end 212, the first ends 211 of the two elastic connection arms 21 are connected to the wire 1, the second ends 212 of the two elastic connection arms 21 can be relatively opened and closed, and a movable gap is formed between the second ends 212 of the two elastic connection arms 21; the outer diameter of the two elastic connection arms 21 is greater than the inner diameter of the connection port 33. The outer diameter of the two elastic connection arms 21 is greater than the inner diameter of the connection port 33, and they are squeezed by the inner wall of the connection port 33, tightly abutting against the inner wall of the connection port 33, and realizing interference fit.
[0033] In another embodiment, the elastic connecting end 2 is in a circular ring shape, and its side surface abuts against the inner wall of the connecting port 33 to achieve conduction.
[0034] In this embodiment, the elastic connecting arm 21 is a metal spring, which is used to achieve conduction and to achieve interference fit with the connecting port 33 by utilizing its elasticity.
[0035] See also Figure 1-2 In this embodiment, the elastic connecting arm 21 further includes an enclosed section 213, and the first end 211 and the second end 212 are respectively disposed at the two ends of the enclosed section 213. The first end 211, the enclosed section 213 and the second end 212 of the two elastic connecting arms 21 enclose a ring-shaped elastic connecting arm 21 with a movable gap; the shape of the enclosed section 213 is adapted to the shape of the inner wall of the connecting port 33. The shape of the enclosed section 213 is adapted to the shape of the inner wall of the connecting port 33 so as to be closely abutted against the inner wall of the connecting port 33.
[0036] See also Figure 2 The first ends 211, the enclosing section 213 and the second ends 212 of the two elastic connecting arms 21 are enclosed to form a ring-shaped elastic connecting arm 21 with a movable gap, and the enclosing section 213 is in contact with the inner wall of the connection port 33 to achieve conduction. A movable gap is formed between the two first ends 211 and between the two second ends 212. When the elastic connecting arm 21 needs to be taken out, the enclosing section 213 is squeezed to reduce the width of the movable gap, and the elastic connecting arm 21 can be taken out from the connection port 33.
[0037] In one embodiment, when the elastic connecting arm 21 is inserted into the connection port 33, the first end 211 of the elastic limiting arm 21 is at least partially located outside the connection port 33, the enclosed section 213 is partially or completely located inside the connection port 33, and the second end 212 is located inside the connection port, thereby achieving conduction. When the two elastic connecting arms 21 need to be taken out, the movable gap between the two first ends 211 is squeezed to reduce the movable gap, and the movable gap between the two second ends 212 and the spacing between the two enclosed ends 213 are reduced, so that the two elastic connecting arms can be taken out from the connection port 33.
[0038] See also Figure 1-2 In this embodiment, the elastic connecting arm 21 further includes a flexible connecting section 214, and the flexible connecting section 214 is disposed between the wire 1 and the elastic connecting arm 21. The flexible connecting section 214 is disposed between the wire 1 and the first end 211 to adapt to the structure on the substrate.
[0039] See also Figure 1-2 In this embodiment, the elastic connecting arm 21 further includes an insulating section 215 , and the insulating section 215 is wrapped around one end of the flexible connecting section 214 close to the conductive end.
[0040] See also Figure 1-2 In this embodiment, there are two elastic connection terminals 2, which are respectively arranged at two ends of the wire 1. There are two elastic connection terminals 2, which are used to connect two substrates.
[0041] See also Figure 1-2 In one embodiment, the number of the elastic connection ends 2 is at least four, and at least four elastic connection ends 2 are symmetrically arranged at both ends of the wire 1 to accommodate multiple connection ports 33 of the two substrates.
[0042] Figure 3 is the main view of the substrate, Figure 4 It is a schematic diagram of the installation between the connecting device of the substrate and the substrate. Figure 5 is the main view of the substrate, Figure 6 This is a schematic diagram of the tableting structure, please refer to Figure 3-6 In this embodiment, the connection device of the substrate also includes a pressing sheet 22, which includes an annular connecting portion 221 and two limiting plates 222, and the two limiting plates 222 are respectively fixed on the opposite sides of the annular connecting portion 221; the annular connecting portion 221 is sleeved and rotatably arranged on the wire. The pressing sheet 22 and the elastic connecting arm 21 are used to cooperate with the structure of the servo driver substrate 3, and the servo driver substrate 3 is provided with a mounting slot 31, and the connection port 33 is located in the mounting slot 31; an extension hole 32 is respectively provided on the opposite sides of the mounting slot 31, and the extension direction of the extension hole 32 is the same as the extension direction of the two limiting plates 222; when the elastic connecting arm 21 is inserted into the connection port 33, the two sides of the pressing sheet 22 are opened and respectively inserted into the extension 32, and the elastic connecting arm 21 is pressed tightly in the connection port 33 to achieve a tight connection. When the elastic connecting arm 21 is not connected to the connection port, the two limiting plates 222 can cover the outer surface of the two elastic connecting arms to provide protection for them to prevent impact deformation.
[0043] See also Figure 3-6In this embodiment, the extension direction of the limit piece 222 is perpendicular to the extension direction of the elastic connecting arm 21. The structure of the limit piece 222 and the elastic connecting arm is used to cooperate with the structure of the servo driver substrate 3. An extension hole 32 is respectively provided on the two opposite sides of the mounting slot 31 on the servo driver substrate. The extension direction of the extension hole 32 is the same as the extension direction of the two limit pieces 222. When the two elastic connecting arms 21 are inserted into the connection port 33, the outer diameter is larger than the inner diameter of the connection port 33, and the direction is adjusted so that the two elastic connecting arms 21 are perpendicular to the two extension holes 32. At this time, the two sides of the pressing sheet 22 are inserted into the two opposite extension holes 32 to achieve a stable interference fit.
[0044] Example 2
[0045] This embodiment provides a servo driver, including a servo driver substrate 3 and the substrate connection device of embodiment 1; the servo driver substrate 3 is provided with a connection port 33; the elastic connection end 2 in the substrate connection device is inserted into the connection port 33.
[0046] Example 3
[0047] This embodiment provides a servo driver, comprising a servo driver substrate 3 and a substrate connection device of embodiment 1; the servo driver substrate 3 is provided with a connection port 33; the elastic connection end 2 in the substrate connection device is inserted into the connection port 33;
[0048] A mounting slot 31 is provided on the servo driver substrate 3, and a connection port 33 is located in the mounting slot 31; an extension hole 32 is provided on the opposite sides of the mounting slot 31, and the extension direction of the extension hole 32 is the same as the extension direction of the two limiting plates 222; when the elastic connecting arm 21 is inserted into the connection port 33, the two limiting plates 222 are respectively inserted into the two opposite extension holes 32.
[0049] Figure 7 This is the installation structure diagram of the two servo drive baseplates, please refer to Figure 7 In one embodiment, the number of the servo driver substrates 3 is two, and the connection of the two servo driver substrates 3 is achieved through the elastic connecting ends 2 at both ends of the wire 1. After the two servo driver substrates 3 are installed, the wire 1 is located between the two servo driver substrates 3.
[0050] The present invention is not limited to the above-mentioned embodiments. If various changes or modifications to the present invention do not depart from the spirit and scope of the present invention, and if these changes and modifications fall within the claims of the present invention and the scope of equivalent technologies, the present invention is also intended to include these changes and modifications.
Claims
1. A connection device for a substrate of a servo drive, characterized in that: include: Wires for connecting to the servo drive base plate; And, at least one conductive elastic connection end, which is used for interference fit with the connection port on the servo drive substrate, and the outer diameter of the elastic connection end is larger than the inner diameter of the connection port.
2. The substrate connection device according to claim 1, characterized in that: The elastic connecting end includes two symmetrically arranged elastic connecting arms, each of which includes a first end and a second end. The first ends of the two elastic connecting arms are both connected to the wire, and the second ends of the two elastic connecting arms can be relatively opened and closed, forming a movable gap between the second ends of the two elastic connecting arms; the sum of the outer diameters of the two elastic connecting arms is greater than the inner diameter of the connecting port.
3. The connecting device for the substrate of the servo drive according to claim 2, characterized in that: The elastic connecting arm is a metal spring.
4. The connecting device for the substrate of the servo drive according to claim 2, characterized in that: The elastic connecting arm also includes an enclosed section, and the first end and the second end are respectively arranged at two ends of the enclosed section; the two elastic connecting arms are enclosed to form an annular structure with the movable gap, wherein the shape of the enclosed section is adapted to the shape of the inner wall of the connecting port.
5. The connecting device for the substrate of the servo drive according to claim 2, characterized in that: The elastic connecting arm further comprises a flexible connecting section, and the flexible connecting section is arranged between the conducting wire and the elastic connecting arm.
6. The connecting device for the substrate of the servo drive according to claim 1, characterized in that: The number of the elastic connection ends is at least two, and the at least two elastic connection ends are respectively arranged at two ends of the wire.
7. The connecting device for the substrate of the servo drive according to any one of claims 2 to 6, characterized in that: It also includes a pressing sheet, which includes an annular connecting portion and two limiting plates, and the two limiting plates are respectively fixed on two opposite sides of the annular connecting portion; the annular connecting portion is sleeved and rotatably arranged on the wire.
8. The connecting device for the substrate of the servo drive according to claim 7, characterized in that: The extending direction of the limiting piece is perpendicular to the extending direction of the elastic connecting arm.
9. A servo driver, characterized in that: A connecting device comprising a servo drive substrate and a substrate according to any one of claims 1 to 6; The servo drive substrate is provided with a connection port; the elastic connection end in the connection device of the substrate is inserted into the connection port.
10. A servo driver, characterized in that: A connecting device comprising a servo drive substrate and a substrate according to any one of claims 7 to 8; the servo drive substrate is provided with a connecting port; the elastic connecting end is inserted into the connecting port; A mounting slot is provided on the servo driver substrate, and the connection port is located in the mounting slot; an extension hole is provided on two opposite sides of the mounting slot, and the extension direction of the extension hole is the same as the extension direction of the two limiting plates; when the elastic connecting arm is inserted into the connection port, the two limiting plates are respectively inserted into two opposite extension holes.