WO2019056978A2 - 一种片簧插孔接插件 - Google Patents

一种片簧插孔接插件 Download PDF

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Publication number
WO2019056978A2
WO2019056978A2 PCT/CN2018/105497 CN2018105497W WO2019056978A2 WO 2019056978 A2 WO2019056978 A2 WO 2019056978A2 CN 2018105497 W CN2018105497 W CN 2018105497W WO 2019056978 A2 WO2019056978 A2 WO 2019056978A2
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WO
WIPO (PCT)
Prior art keywords
contact
cylindrical
sleeve
leaf spring
ring
Prior art date
Application number
PCT/CN2018/105497
Other languages
English (en)
French (fr)
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WO2019056978A3 (zh
Inventor
马远锋
Original Assignee
深圳市奇连科技有限公司
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Application filed by 深圳市奇连科技有限公司 filed Critical 深圳市奇连科技有限公司
Publication of WO2019056978A2 publication Critical patent/WO2019056978A2/zh
Publication of WO2019056978A3 publication Critical patent/WO2019056978A3/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section

Definitions

  • the present application relates to electrical connectors, and more particularly to a leaf spring receptacle connector.
  • pin jack connector In the field of electrical connections, there is a type of pin jack connector that is circular, and the pins are often not in direct contact with the inner bore of the jack, but a contact is mounted in the bore of the jack.
  • the contact member is an elastic structure. When the pin is inserted, the pin presses the contact member to generate a long-term contact force between the pin and the inner wall of the jack hole, thereby ensuring the durability of the electrical connection between the pin and the jack. And reliability.
  • a contact piece is a leaf spring, which is widely used in jack connectors because of its low resistance, high reliability and low cost.
  • a jack that uses a leaf spring as a contact is called a leaf spring jack, which is a leaf spring jack connector.
  • the leaf spring is integrally formed from a metal plate, and has a round cage-like cylindrical shape, and has a circular contact ring at both ends and a grating strip connecting the two ends.
  • the production process of the leaf spring is usually: (1) a metal plate, which is divided into a fence by removing the material, and the two ends of the fence are connected by a plurality of grid bars; (2) if necessary, the ends of the fence or the grid may continue (3) round and round cylinders; (4) can further enhance the elastic effect according to product requirements, such as bending the waist in the middle of the grid (such as "crown spring") or by a circular contact at one end
  • the central axis is twisted into a spiral curve (for example, a "torsion spring") with respect to the other end, so that each of the grid bars is contracted toward the axial center at the center to form a large intermediate structure.
  • U.S. Patent Nos. 4,657,335 and 4,734,063 disclose the use of two outer sleeves and an inner sleeve to bypass the outer grid strip of the leaf spring from the bore of the inner sleeve. After the wall of the inner sleeve is turned 180 degrees outward, it is tightly fitted between the inner sleeve and the outer sleeve. This structure smoothly realizes the connection of the leaf spring to the socket sleeve. Through more than 20 years of practical use, it proves the reliability of its connection, and has been widely used in the field of high-current connection around the world. This structure jack is called RADSOK in the industry.
  • the present application relates to a leaf spring jack connector, comprising: a jack sleeve including a cylindrical contact sleeve; a round cage cylindrical leaf spring mounted in the cylindrical contact sleeve, comprising two circular and cylindrical shapes a fixing contact ring for permanently contacting the inner wall of the contact sleeve by fixed mounting, the two fixing contact rings are distributed at two ends of the leaf spring; and the two fixing contact rings are connected to the pin in contact with the pin Grid bar.
  • Two inner ferrules the inner ferrule includes a circular cylindrical body respectively placed in the fixed contact ring, and the fixed contact ring is tightly fitted between the cylindrical contact sleeve and the annular columnar body.
  • the fixed contact portion of the leaf spring is a fixed contact ring and there is no outer grid strip, the grid strip is not required to pass through the inner sleeve from the hole of the inner sleeve.
  • the wall is inverted 180 degrees and is tightly fitted between the inner sleeve and the outer sleeve, which saves twice the material thickness of the leaf spring and twice the wall thickness of the inner sleeve in the diameter direction, so that the diameter direction becomes smaller;
  • the ferrule and the leaf spring have a shorter length than the RADSOK, which reduces the material cost, and the assembly process is also simple and convenient, which reduces the process cost;
  • the RADSOK is tightly fitted between the inner sleeve and the outer sleeve through the outer grid bar, and
  • the application adopts the entire fixing contact ring tightly, and has a large contact area, which is favorable for electric conduction and heat conduction; since the application does not scratch the exposed surface of the part during assembly, it can be assembled after electroplating, effectively reducing the oxide layer before assembly.
  • the inner ferrule can limit the position of the pin in the radial direction, the influence of the vibration on the connector can be reduced during use, the vibration resistance of the jack is improved, and the limit pin can be inserted at the time of insertion.
  • the position of the axis line reduces the damage of the eccentric insertion to the leaf spring; at the same time, the inner ferrule is disposed at both ends of the leaf spring, so that both ends can be contacted by the tight fit of the inner ferrule instead of the tension of the leaf spring itself.
  • the contact effect is improved; the overall appearance of the connector is more concise and beautiful.
  • the round cage cylindrical leaf spring is an integrally formed multi-section continuous beam structure, which further comprises fixing contact at both ends of the leaf spring.
  • n fixing contact rings between the rings, n is greater than or equal to 1
  • the n fixing contact rings are in permanent contact with the inner wall of the cylindrical contact sleeve by fixed installation, and the connection between each two adjacent fixing contact rings is A grid that is in contact with the pins.
  • the continuous beam structure of the multi-section leaf spring can effectively reduce the volume resistance of the leaf spring.
  • n inner ferrules corresponding to the n fixing contact rings, and the n fixing contact rings are respectively tightly matched to the cylinder Between the contact sleeve and the corresponding inner ferrule.
  • a continuous beam structure of a plurality of leaf springs is adopted, and a fixing contact ring and a cylindrical contact sleeve are tightly fitted in the middle portion by an inner ring, so that the fixing contact ring and the fixing contact ring are The contact of the socket sleeve is more reliable, and it is also advantageous to prevent deformation of the round cylinder type leaf spring.
  • the inner ring further includes a ring flat body, and the inner ring of the ring flat body is connected to one end side of the ring column body, The outer ring of the annular flat body is in tight contact with the inner hole of the cylindrical contact sleeve; the inner hole is a hole in which the round cage type cylindrical leaf spring is mounted.
  • the conductive passage in addition to the fixed contact ring and the socket sleeve, the conductive passage can be directly connected, and the second strip electrically connected through the inner ferrule and the socket sleeve is added.
  • the channel can further reduce the contact resistance and ensure the contact is more reliable; the annular flat body and the socket sleeve are directly matched to prevent the inner ring from falling off; all the contour features of the inner ring are placed and mounted on the leaf spring.
  • the hole inner feature of the socket sleeve becomes quite simple, especially when the socket sleeve is not provided with the outer connecting portion, the pipe can be cut and used, which greatly saves the processing cost.
  • the inner ferrule is limited to the hole in which the leaf spring is located, and the maximum outer diameter is small, which also saves material.
  • the thickness of the annular flat body in the axial direction is substantially equal to the wall thickness of the annular columnar body.
  • the thickness of the annular flat body in the axial direction is substantially equal to the wall thickness of the annular cylindrical body, so that the lathe processing can be omitted, and efficient punching processing can be used, or Pipe processing, more cost-effective.
  • the circular flat body and the cylindrical surface of the cylindrical contact sleeve have a uniformly distributed serration on the cylindrical surface.
  • the serration can increase the contact area when it is tightly fitted with the inner hole of the socket sleeve, and can increase the firmness to prevent falling off.
  • the inner ring further includes a ring flat body, and the inner ring of the ring flat body is connected to one end side of the ring column body,
  • the both ends of the cylindrical contact sleeve have a stepped hole having a diameter slightly larger than the hole in which the circular cage-shaped leaf spring is mounted, and the outer ring of the annular flat body is tightly fitted to the stepped hole by mounting.
  • the annular flat body is also connected to the inner wall of the cylindrical contact sleeve by welding.
  • the welding of the socket sleeve and the annular flat body can further increase the tightness of the inner ferrule and the socket sleeve, and prevent the inner ferrule from falling off.
  • the jack sleeve further includes an outer connecting portion, and the outer connecting portion is connected to one end side of the cylindrical contact sleeve; wherein the cylindrical contact sleeve
  • the inner ferrule corresponding to the other end side of the cylinder further comprises an annular flat body, and the inner ring of the annular flat body is connected with one end side of the annular cylindrical body, and the outer ring of the annular flat body is installed and in contact with the cylindrical shape.
  • the inner bore of the sleeve is in tight contact.
  • the annular flat body is provided only on the other end side, which further reduces the cost.
  • leaf spring jack connector of the present application optionally, there are a plurality of round cage type cylindrical leaf springs.
  • a plurality of leaf springs may be provided as needed to reduce the contact resistance and increase the adaptability of use.
  • FIG. 1a is a perspective view showing a leaf spring jack connector according to a first embodiment of the present application
  • Figure 1b is a cross-sectional view of the leaf spring jack connector of the first embodiment of the present application along the axis;
  • Figure 1c is an exploded view showing the leaf spring jack connector of the first embodiment of the present application.
  • Figure 1d is a perspective view of the inner ferrule according to the first embodiment of the present application.
  • Figure 1e is a cross-sectional view of the inner ferrule according to the first embodiment of the present application along the axis;
  • FIG. 1f is a schematic diagram showing the use of the leaf spring jack connector according to the first embodiment of the present application.
  • Figure 2a is a cross-sectional view of the leaf spring jack connector of the second embodiment of the present application along the axis;
  • FIG. 2b is an exploded view showing the leaf spring jack connector according to the second embodiment of the present application.
  • Figure 3 is a cross-sectional view of the leaf spring jack connector of the third embodiment of the present application along the axis;
  • Figure 3b is an exploded view showing the leaf spring jack connector of the third embodiment of the present application.
  • Figure 3c is a perspective view of the inner ferrule according to the third embodiment of the present application.
  • Figure 3d shows a side view of the inner ferrule according to the third embodiment of the present application.
  • Figure 3e is a cross-sectional view showing another embodiment of the inner ferrule according to the third embodiment of the present application along the axis;
  • Figure 3f is a perspective view showing still another embodiment of the inner ferrule according to the third embodiment of the present application.
  • Figure 3g shows a partial enlarged view of Figure 3f at A
  • FIG. 3h is a schematic diagram showing the use of the leaf spring jack connector according to the third embodiment of the present application.
  • FIG. 4a is a cross-sectional view of the leaf spring jack connector of the fourth embodiment of the present application along the axis;
  • 4b is a cross-sectional view of the jack sleeve according to the fourth embodiment of the present application along the axis;
  • 4c is an exploded view showing the leaf spring jack connector according to the fourth embodiment of the present application.
  • Figure 5a is a cross-sectional view of the leaf spring jack connector of the fifth embodiment of the present application along the axis;
  • Figure 5b is an exploded view showing the leaf spring jack connector of the fifth embodiment of the present application.
  • Figure 6 is a cross-sectional view of the leaf spring jack connector of the sixth embodiment of the present application along the axis;
  • FIG. 7a is a perspective view showing a leaf spring jack connector according to a seventh embodiment of the present application.
  • Figure 7b is a cross-sectional view of the leaf spring jack connector of the seventh embodiment of the present application along the axis;
  • Figure 7c is an exploded view showing the leaf spring jack connector of the seventh embodiment of the present application.
  • FIG. 7d is a schematic diagram showing the use of the leaf spring jack connector according to the seventh embodiment of the present application.
  • Figure 8a is a cross-sectional view of the leaf spring jack connector of the eighth embodiment of the present application along the axis;
  • FIG. 8b is an exploded view showing the leaf spring jack connector according to the eighth embodiment of the present application.
  • Figure 9a is a perspective view showing a leaf spring jack connector according to a ninth embodiment of the present application.
  • Figure 9b is a cross-sectional view of the leaf spring jack connector of the ninth embodiment of the present application along the axis;
  • Fig. 9c is a schematic view showing the use of the leaf spring jack connector according to the ninth embodiment of the present application.
  • Figure 10a is a cross-sectional view of the leaf spring jack connector of the tenth embodiment of the present application along the axis;
  • FIG. 10b is a schematic diagram showing the use of the leaf spring jack connector according to the tenth embodiment of the present application.
  • Figure 11a is a cross-sectional view of the leaf spring jack connector of the eleventh embodiment of the present application taken along the axis;
  • Figure 11b is an exploded view showing the leaf spring jack connector according to the eleventh embodiment of the present application.
  • Figure 12a is a cross-sectional view of the leaf spring jack connector of the twelfth embodiment of the present application taken along the axis;
  • Fig. 12b is an exploded view showing the leaf spring jack connector according to the twelfth embodiment of the present application.
  • 01, 02, 03, 04, 05, 06, 07, 08, 09, 10, 11, 12 are leaf spring jack connectors
  • 20a, 201a, 202a are cylindrical contact sleeves
  • 201b is an outer connecting portion
  • 21, 211, 212, 213, 214 are inner ferrules
  • 21a, 212a are circular cylindrical bodies
  • 21b, 211b, 212b, 213b, 214b are annular flat bodies
  • 2221 is a circular cage type cylindrical leaf spring
  • 22b, 221b are grid bars
  • 26 is the axis.
  • the contacts referred to in the present application can be applied to electrical connectors, such as pin jack connectors for RADSOK.
  • Fig. 1a is a perspective view showing a leaf spring jack connector according to a first embodiment of the present application.
  • Fig. 1b is a cross-sectional view along the axis of the leaf spring jack connector of the first embodiment of the present application.
  • Figure 1c shows an exploded view of the leaf spring receptacle connector of the first embodiment of the present application.
  • Fig. 1d is a perspective view showing the inner ferrule according to the first embodiment of the present application.
  • Fig. 1e is a cross-sectional view of the inner ferrule according to the first embodiment of the present application along the axis.
  • the leaf spring jack connector 01 of the first embodiment of the present application includes a jack sleeve 20, two inner ferrules 21, and a circular cage-shaped leaf spring 22.
  • the jack sleeve 20 further includes a cylindrical contact sleeve 20a.
  • the inner ferrule 21 includes a circular cylindrical body 21a as shown in Figs. 1d and 1e.
  • the circular cage-shaped leaf spring 22 includes two fixed contact rings 22a which are annularly connected to the inner wall of the cylindrical contact sleeve 20a by permanent mounting, and the two fixed contact rings 22a are distributed on the two of the leaf springs 22. end.
  • a connecting strip 22b that is in contact with the pins is connected between the two fixing contact rings 22a.
  • the leaf spring 22 is mounted in the cylindrical contact sleeve 20a.
  • the annular columnar bodies 21a of the two inner ferrules 21 are respectively placed in the two fixing contact rings 22a, and the fixing contact ring 22a is tightly fitted between the cylindrical contact sleeves 20a and the annular columnar bodies 21a.
  • the very good electrical contact is achieved by the tight fit of the inner ferrule 21 and the fixed contact ring 22a and the cylindrical contact sleeve 20a, rather than relying solely on the tension of the fixed contact ring 22a, thereby increasing the stability of the electrical contact. Sex and reliability.
  • the round cage-shaped leaf spring 22 is first loaded into the inner hole of the cylindrical contact sleeve 20a of the jack sleeve 20, and the inner end is fitted with the inner ring 21, and the socket connector is assembled. carry out.
  • the fixing contact ring 22a of the leaf spring 22 is brought into close contact with the cylindrical contact sleeve 20a and the inner ferrule 21 by the force generated by the tight fitting, thereby realizing the round cage type cylindrical leaf spring 22 and Reliable electrical connection between the socket sleeves 20, heat conduction.
  • the three dimensions are mutually interference-fitted, and the parts are extremely large.
  • the temperature difference is assembled by the principle of thermal expansion and contraction, and after the three are assembled, the jack sleeve is compressed by the pressure in the direction of the axis line, and the three are assembled together, and the inner ring is expanded outward by the tension, and the like. Since the tooling and the process of the embodiment are not complicated, the exposed surface of the component is not scratched, so that it can be assembled after plating, which can effectively reduce the contact resistance brought by the oxide layer.
  • Fig. 1f is a schematic view showing the use of the leaf spring jack connector according to the first embodiment of the present application.
  • the leaf spring jack connector 01 can be mounted in the jack housing 24 with the outer connecting portion by an interference fit, the pin 25 can be inserted into the connector 01, and the jack housing A circuit that facilitates on-off operation can be formed between the 24s.
  • the round cylinder type leaf spring 22 of the connector 01 has no outer grid, it does not need to pass.
  • the outer grid strip is rotated 180 degrees from the inner sleeve wall through the wall of the inner sleeve to the outer circular surface of the inner sleeve, so that the outer grid bar is tightly fitted between the inner sleeve and the outer sleeve at the diameter
  • the direction saves twice the material thickness of the leaf spring 22 and the double wall thickness of the inner sleeve, so that the diameter direction of the connector 01 becomes smaller; the inner ring 21 and the round cylinder type leaf spring 22 are compared with the prior art.
  • the outer grid bar is tightly fitted between the inner sleeve and the outer sleeve.
  • the entire fixing contact ring 22a is tightly fitted, and the contact area is large, which is favorable for conduction and heat conduction.
  • the inner ferrule 21 can limit the pin 25 in the radial direction, the influence of the vibration on the connector 01 during use can be reduced, and the vibration resistance of the connector 01 is improved.
  • the positional pin 25 can also be positioned at the axis 26 when the connector 01 is inserted, reducing the damage of the eccentric insertion to the leaf spring connector 01; the overall appearance of the connector 01 is more compact and beautiful than the RADSOK.
  • the connector 02 herein only shows a portion different from the connector 01 according to the first embodiment.
  • the present embodiment is different from the first embodiment in that the socket sleeve 201 includes a cylindrical contact sleeve 201a and an outer connecting portion 201b, and the outer connecting portion 201b and the cylindrical contact sleeve. One end side of 201a is connected.
  • the outer connecting portion 201b is substantially a crimping structure, and the other connection with the cylindrical contact sleeve 201a is also a known thread or the like.
  • the present embodiment increases the assembly adaptability for different jack sleeves.
  • FIG. 3 is a cross-sectional view along the axis of the leaf spring jack connector of the third embodiment of the present application.
  • Fig. 3b is an exploded view showing the leaf spring jack connector of the third embodiment of the present application.
  • Fig. 3c is a perspective view showing the inner ferrule according to the third embodiment of the present application.
  • Fig. 3d shows a side view of the inner ferrule according to the third embodiment of the present application.
  • Fig. 3e is a cross-sectional view showing another embodiment of the inner ferrule according to the third embodiment of the present application along the axis.
  • Fig. 3f is a perspective view showing still another embodiment of the inner ferrule according to the third embodiment of the present application.
  • Figure 3g shows a partial enlarged view of Figure 3f at A.
  • the leaf spring jack connector 03 according to the third embodiment of the present application includes a jack sleeve 20, two inner ferrules 211, and a circular cage-shaped leaf spring 22.
  • the jack sleeve 20 further includes a cylindrical contact sleeve 20a.
  • the inner ferrule 211 includes a ring-shaped cylindrical body 211a and a ring-shaped flat body 211b which are connected to each other as shown in Figs. 3c and 3d.
  • the circular cage-shaped leaf spring 22 includes two fixed contact rings 22a which are annularly connected to the inner wall of the cylindrical contact sleeve 20a by permanent mounting, and the two fixed contact rings 22a are distributed on the two of the leaf springs 22. end.
  • a connecting strip 22b that is in contact with the pins is connected between the two fixing contact rings 22a.
  • the leaf spring 22 is mounted in the cylindrical contact sleeve 20a.
  • the annular columnar bodies 211a of the two inner ferrules 211 are respectively placed in the two fixing contact rings 22a, and the fixing contact ring 22a is tightly fitted between the cylindrical contact sleeves 20a and the annular columnar bodies 211a.
  • the inner ring of the annular flat body 211b is connected to one end side of the annular columnar body 211a, and the outer ring of the annular flat body 211b is brought into close contact with the inner hole of the cylindrical contact sleeve 20a by attachment.
  • the inner hole is a hole in which the circular cage type cylindrical leaf spring 22 is mounted.
  • the annular flat body 211b of the inner ring 211 The presence of the second passage through the inner ferrule 211 and the jack sleeve 20 is further reduced, and the contact resistance can be further reduced to ensure more reliable contact.
  • the connector 03 In the connector 03 according to the third embodiment of the present application, all the contour features of the inner ferrule 211 are placed in the same circular hole as the hole in which the circular cage-shaped leaf spring 22 is mounted, so that the socket sleeve
  • the in-hole feature of the barrel 20 becomes quite simple, especially when the socket sleeve 20 is not provided with an outer connecting portion, the tube can be used for cutting, which greatly saves processing costs, and the inner ring 211 is limited to the leaf spring 22 In the hole, the maximum outer diameter is also small, which also saves material.
  • the annular flat body 211b may be welded to the inner wall of the cylindrical contact sleeve.
  • the inner ferrule 212 is machined such that the wall thickness a of the annular cylindrical body 212a is substantially equal to the thickness b of the annular flat body 212b in the direction of the axis 26. This eliminates the need for lathe machining and allows efficient punching or tube processing to save costs.
  • the inner ferrule 213 has evenly distributed serrations 213c on a cylindrical surface in which the annular flat body 213b is in tight contact with the inner wall of the cylindrical contact sleeve 20a.
  • the serration 213c can increase the contact area of the annular flat body 213b when it is tightly fitted with the inner wall of the jack sleeve, and can increase the firmness and prevent falling off.
  • Fig. 3h is a schematic view showing the use of the leaf spring jack connector according to the third embodiment of the present application.
  • the leaf spring jack connector 03 can be mounted in the jack housing 24 with the outer connecting portion by an interference fit, the pin 25 can be inserted into the connector 03, and the jack housing A circuit that facilitates on-off operation can be formed between the 24s.
  • 4a is a cross-sectional view along the axis of the leaf spring jack connector of the fourth embodiment of the present application.
  • 4b is a cross-sectional view along the axis of the jack sleeve according to the fourth embodiment of the present application.
  • 4c is an exploded view showing the leaf spring jack connector according to the fourth embodiment of the present application.
  • This embodiment is a further modification of the third embodiment.
  • the connector 04 herein only shows a portion different from the connector 03 according to the third embodiment. As shown in FIGS.
  • the present embodiment is different from the third embodiment in that the cylindrical contact sleeve 202a of the jack sleeve 202 has a stepped hole 202c on both end sides, and a circle of the outer ring 214 The ring flat body 214b is fitted in the stepped hole 202c with the cylindrical contact sleeve 202a.
  • Fig. 5a is a cross-sectional view along the axis of the leaf spring jack connector according to the fifth embodiment of the present application.
  • Fig. 5b is an exploded view showing the leaf spring jack connector according to the fifth embodiment of the present application.
  • This embodiment is an improvement of the third embodiment.
  • the connector 05 herein only shows a portion different from the connector 03 according to the third embodiment.
  • the present embodiment is different from the third embodiment in that the jack sleeve 201 includes a cylindrical contact sleeve 201a and an outer connecting portion 201b, and the outer connecting portion 201b and the cylindrical contact sleeve. One end side of 201a is connected.
  • the outer connecting portion 201b is substantially a crimping structure, and the other connection with the cylindrical contact sleeve 201a is also a known thread or the like.
  • the present embodiment increases the assembly adaptability for different jack sleeves.
  • Fig. 6 is a cross-sectional view along the axis of the leaf spring jack connector according to the sixth embodiment of the present application.
  • the sixth embodiment is a simplification of the fifth embodiment.
  • the connector 06 herein only shows a portion different from the connector 05 according to the fifth embodiment.
  • the present embodiment is different from the fifth embodiment in that the side of the cylindrical contact sleeve 201a close to the outer connecting portion 201b is the same inner ferrule 21 as the first embodiment, as shown in the figure. 1d, shown in Figure 1e.
  • the inner side of the cylindrical contact sleeve 201a corresponding to the insertion of the pin is the same inner ring 211 as the third embodiment, as shown in Figs. 3c and 3d.
  • Fig. 7a is a perspective view showing a leaf spring jack connector according to a seventh embodiment of the present application.
  • Fig. 7b is a cross-sectional view along the axis of the leaf spring jack connector according to the seventh embodiment of the present application.
  • Fig. 7c is an exploded view showing the leaf spring jack connector according to the seventh embodiment of the present application.
  • Fig. 7d is a schematic view showing the use of the leaf spring jack connector according to the seventh embodiment of the present application.
  • the seventh embodiment is an enhancement of the third embodiment.
  • the connector 07 herein only shows a portion different from the connector 03 according to the third embodiment.
  • the present embodiment is different from the third embodiment in that it includes two circular cage-shaped cylindrical leaf springs 22 which are sequentially in contact with each other. Each of the leaf springs 22 is mounted with two inner ferrules 211, respectively.
  • two leaf springs of the present embodiment are exemplary, and two or more leaf springs can be mounted.
  • Fig. 8a is a cross-sectional view along the axis of the leaf spring jack connector according to the eighth embodiment of the present application.
  • Fig. 8b is an exploded view showing the leaf spring jack connector according to the eighth embodiment of the present application.
  • the eighth embodiment is an enhancement of the fifth embodiment.
  • the connector 08 herein shows only a portion different from the connector 05 according to the fifth embodiment.
  • this embodiment differs from the fifth embodiment in that it comprises two circular cage-shaped cylindrical leaf springs 22 which are in turn in contact with each other.
  • Each of the leaf springs 22 is mounted with two inner ferrules 211, respectively.
  • two leaf springs of the present embodiment are exemplary, and two or more leaf springs can be mounted.
  • Fig. 9a is a perspective view showing a leaf spring jack connector according to a ninth embodiment of the present application
  • Fig. 9b is a cross-sectional view showing the leaf spring jack connector according to the ninth embodiment of the present invention along an axis.
  • the connector 09 herein only shows a portion different from the connector 03 according to the third embodiment.
  • the present embodiment differs from the third embodiment in that the round cage-shaped leaf spring 221 is an integrally formed multi-section continuous beam structure, and the present embodiment is a two-piece leaf spring structure.
  • the inner ferrule 211 which is the same as the third embodiment is attached to the fixed contact ring 221a on both end sides.
  • Fig. 9c is a schematic view showing the use of the leaf spring jack connector according to the ninth embodiment of the present application.
  • the connector 09 can be mounted in the jack housing 24 with the outer connecting portion by an interference fit, and the pin 25 is inserted into the connector 09 and the jack housing 24 due to the presence of the two leaf springs. More parallel paths can be formed, effectively reducing the contact resistance of the connector 09.
  • the two-section leaf spring of the present embodiment is exemplary, and those skilled in the art will understand that a leaf spring of three or more sections may be employed.
  • Figure 10a is a cross-sectional view of the leaf spring jack connector of the tenth embodiment of the present application taken along the axis.
  • the tenth embodiment is a further improvement of the ninth embodiment.
  • the connector 10 herein only shows a portion different from the connector 09 according to the ninth embodiment.
  • the present embodiment is different from the ninth embodiment in that it further includes an inner ferrule 21 corresponding to the intermediate fixed contact ring 221a.
  • the structure of the inner ferrule 21 is as shown in FIGS. 1d and 1e. Show.
  • the intermediate fixing contact ring 221a is tightly fitted between the inner ferrule 21 and the cylindrical contact sleeve 20a.
  • Fig. 10b is a schematic view showing the use of the leaf spring jack connector according to the tenth embodiment of the present application.
  • a continuous beam structure of two leaf springs is used, and after the pin 25 is inserted into the connector 10, the socket housing 24 is inserted. More parallel circuits can be formed between each other, which can effectively reduce the contact resistance of the connector 10.
  • the middle fixing contact ring 221a and the cylindrical contact sleeve 20a are tightly fitted by the inner ferrule 21, so that the contact of the fixing contact ring 221a with the socket sleeve is more reliable, and it is also advantageous to prevent the leaf spring from being deformed.
  • Fig. 11a is a cross-sectional view showing the leaf spring jack connector of the eleventh embodiment of the present invention taken along the axis.
  • Fig. 11b is an exploded view showing the leaf spring jack connector according to the eleventh embodiment of the present application.
  • the connector 11 herein only shows a portion different from the connector 09 according to the ninth embodiment.
  • the present embodiment is different from the ninth embodiment in that the jack sleeve 201 includes a cylindrical contact sleeve 201a and an outer connecting portion 201b, and the outer connecting portion 201b and the cylindrical contact sleeve.
  • One end side of 201a is connected.
  • the outer connecting portion 201b is substantially a crimping structure, and the other connection with the cylindrical contact sleeve 201a is also a known thread or the like.
  • Figure 12a is a cross-sectional view of the leaf spring jack connector of the twelfth embodiment of the present application taken along the axis.
  • the twelfth embodiment is a further improvement of the eleventh embodiment.
  • the connector 12 herein only shows a portion different from the contact 11 according to the eleventh embodiment.
  • the present embodiment is different from the eleventh embodiment in that it further includes an inner ferrule 21 corresponding to the intermediate fixed contact ring 221a, and the inner ferrule 21 has the structure shown in FIGS. 1d and 1e. Shown.
  • the intermediate fixing contact ring 221a is tightly fitted between the inner ferrule 21 and the cylindrical contact sleeve 201a.
  • Fig. 12b is an exploded view showing the leaf spring jack connector according to the twelfth embodiment of the present application.
  • a continuous beam structure of two leaf springs is used, and the middle fixing contact ring 221a and the cylindrical contact are passed through the inner ring 21
  • the sleeve 201a is tightly fitted so that the contact of the fixing contact ring 221a with the socket sleeve is more reliable, and it is also advantageous to prevent deformation of the round cylinder type leaf spring.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

本申请提供一种片簧插孔接插件，包括：插孔套筒，包括圆柱状接触套筒；圆笼式筒状片簧，安装于圆柱状接触套筒内，包括两个圆环形与圆柱状接触套筒内壁通过固定安装进行永久接触的固合接触环，这两个固合接触环分布于片簧的两端；这两个固合接触环之间连接有与插针可分合接触的栅条。两个内套圈，内套圈包括圆环柱状体，该圆环柱状体分别置于固合接触环内，固合接触环紧配于圆柱状接触套筒和圆环柱状体之间。在本申请所涉及的片簧插孔接插件中，不用将栅条从内套筒的孔内绕过内套筒的壁进行180度翻转后紧配于内套筒和外套筒之间，在直径方向节省了两倍圆笼式筒状片簧的材料厚度和内套筒的两倍壁厚，使得直径方向尺寸变小。

Description

一种片簧插孔接插件 技术领域
本申请涉及电连接件，尤其涉及一种片簧插孔接插件。
背景技术
在电连接领域中，有一类型为圆形的插针插孔接插件，插针常常不直接与插孔的内孔进行硬接触，而是在插孔的内孔中安装有接触件。接触件是一种弹性结构体，插合时插针压迫接触件，以便在插针与插孔内孔壁之间产生长久的接触力，从而保证插针与插孔之间电连接的持久性和可靠性。
接触件中，有一类型为片簧，因其低电阻、高可靠、低成本的特点，在插孔接插件中大量使用。使用片簧做接触件的插孔称之为片簧插孔，即是片簧插孔接插件。片簧由金属平板一体成型而成，外形呈圆笼式筒状体，包含有两端圆形接触环和连接两端的栅条。片簧的制作工艺通常为：(1)金属平板，通过去除材料分割成栅栏状，栅栏两端之间通过若干片栅条连接；(2)如有需要，可对栅栏两端或栅条继续整形；(3)卷圆成圆笼式筒状体；(4)还可依产品要求进一步增强其弹性效果，如在栅条中部弯曲缩腰(例如“冠簧”)或者通过一端圆形接触环绕中心轴线相对另一端扭转成螺旋曲线状(例如“扭簧”)，使每一片栅条在中部向轴心收缩，形成两头大中间小的结构。
发明内容
在狭窄的空间领域，实现片簧与插孔套筒之间可靠的电连接，是个非常棘手的问题。大部分插孔接插件，往往只能依靠片簧自身的张力来实现与插孔套筒内壁的接触，导致两者之间不仅接触效果不好并且稳定性也差。
为了保证片簧与插孔套筒连接可靠，美国专利4657335和4734063公开了一种用两个外套筒和1个内套筒把片簧的外侧栅条片从内套筒的孔内绕过内套筒的壁进行180度朝外翻转后，紧配于内套筒与外套筒之间。此结构顺利实现片簧与插孔套筒的连接。通过二十多年实践使用，证明其连接的可靠性，并在世界各地的大电流连接领域得到了广泛应用，此结构插孔在行业中称之为RADSOK。
但是，此结构在直径方向较大，成本较高；并且，RADSOK组装过程比较复杂，零件表面容易刮伤损坏，通常需要装配后电镀，装配前零件往往已氧化严重，降低了电接触性能。
在最近的20多年里，也有不少技术方案的提出，但只能解决片簧在靠近接插口部的一端与插孔套筒连接的问题。对孔内的片簧另一端，往往只能依靠片簧自身的张力来接触，例如市场中使用较多的专利号为CN202772301U的产品。
面对新兴行业比如新能源汽车领域对大电流连接器小体积、低成本日益迫切的需求，现有技术亟待改进和提高。
有鉴于此，本申请的目的在于提供一种既能减小体积又能降低成本的片簧插孔接插件。
本申请涉及片簧插孔接插件，包括：插孔套筒，包括圆柱状接触套筒；圆笼式筒状片簧，安装于圆柱状接触套筒内，包括两个圆环形与圆柱状接触套筒内壁通过固定安装进行永久接触的固合接触环，这两个固合接触环分布于片簧的两端；这两个固合接触环之间连接有与插 针可分合接触的栅条。两个内套圈，内套圈包括圆环柱状体，该圆环柱状体分别置于固合接触环内，固合接触环紧配于圆柱状接触套筒和圆环柱状体之间。
在本申请所涉及的片簧插孔接插件中，由于片簧的固定接触部位是固合接触环，并没有外侧栅条，不用将栅条通过从内套筒的孔内绕过内套筒的壁进行180度翻转后紧配于内套筒和外套筒之间，在直径方向节省了两倍片簧的材料厚度以及两倍内套筒的壁厚，使得直径方向尺寸变小；内套圈、片簧相比于RADSOK长度较短，降低了材料成本，而装配工艺也方便简单，降低了工艺成本；RADSOK是通过外侧栅条紧配于内套筒和外套筒之间，而本申请采用的是整个固合接触环紧配，接触面积大，有利于导电和导热；由于本申请在装配时不会刮伤零件外露表面，所以可以电镀后装配，有效降低装配前氧化层带来的接触电阻。由于内套圈对插针在径向方向能起限位作用，可降低在使用时因振动对接插件带来的影响，提升了插孔的抗振性，还能限位插针在插入时居于轴心线位置，降低偏心插入对片簧的损害；同时，在片簧两端都设置内套圈，使得两端都能通过内套圈的紧配作用而不是片簧自身的张力来进行接触，提升了接触效果；该接插件整体外观更加简洁、美观。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中圆笼式筒状片簧为一体成型的多节连续梁结构，其还包括置于片簧两端固合接触环之间的n个固合接触环，n大于等于1，该n个固合接触环与圆柱状接触套筒内壁通过固定安装进行永久接触，每两个相邻固合接触环之间连接有与插针可分合接触的栅条。
在本申请所涉及的片簧插孔接插件中，采用多节片簧的连续梁结构，可有效降低片簧的体积电阻。
另外，在本申请所涉及的片簧插孔接插件中，可选地，还包括n个与该n个固合接触环对应的内套圈，该n个固合接触环分别紧配于圆柱状接触套筒和对应的内套圈之间。
在本申请所涉及的片簧插孔接插件中，采用多节片簧的连续梁结构，并在中部利用内套圈紧配固合接触环和圆柱状接触套筒，使得固合接触环与插孔套筒的接触更加可靠，同时也有利于防止圆笼式筒状片簧变形。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中内套圈还包括圆环扁状体，圆环扁状体的内圈与圆环柱状体的一端侧连接，圆环扁状体的外圈通过安装与所述圆柱状接触套筒的内孔紧配接触；该内孔为安装圆笼式筒状片簧所在的孔。
在本申请所涉及的片簧插孔接插件中，除了固合接触环与插孔套筒可以直接连通导电的通道外，还增加了通过内套圈与插孔套筒连通导电的第二条通道，可以进一步降低接触电阻，保证接触更加可靠；圆环扁状体与插孔套筒直接紧配，可以防止内套圈脱落；内套圈的所有轮廓特征，都置于与安装片簧所在孔的同一个圆孔内，使插孔套筒的孔内特征变得相当简单，特别是当插孔套筒不带外连接部时，用管材切断即可使用，极大节省了加工成本，内套圈限制在片簧所在孔内，最大外径会较小，也可节省材料。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中圆环扁状体在轴线方向的厚度大致等于圆环柱状体的壁厚。
在本申请所涉及的片簧插孔接插件中，圆环扁状体在轴线方向的厚度大致等于圆环柱状体的壁厚，则可以不采用车床加工，而可采用高效的冲床加工，或者管材加工，更节省成本。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中圆环扁状体与圆柱状接触套筒内孔紧配的圆柱面上具有均匀分布的锯齿。
在本申请所涉及的片簧插孔接插件中，该锯齿既可以增加与插孔套筒内孔紧配时的接触 面积，又可以增加牢固性防止脱落。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中内套圈还包括圆环扁状体，圆环扁状体的内圈与圆环柱状体的一端侧连接，圆柱状接触套筒的两端侧具有直径比安装圆笼式筒状片簧所在的孔稍大的台阶孔，圆环扁状体的外圈通过安装与台阶孔紧配接触。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中圆环扁状体还通过焊接与圆柱状接触套筒的内壁连接。
在本申请所涉及的片簧插孔接插件中，插孔套筒与圆环扁状体的焊接可进一步增加内套圈与插孔套筒紧配的牢靠性，防止内套圈脱落。
另外，在本申请所涉及的片簧插孔接插件中，可选地，其中插孔套筒还包括外连接部，外连接部与圆柱状接触套筒的一端侧连接；其中圆柱状接触套筒另一端侧所对应的内套圈还包括圆环扁状体，圆环扁状体的内圈与圆环柱状体的一端侧连接，圆环扁状体的外圈通过安装与圆柱状接触套筒的内孔紧配接触。
在本申请所涉及的片簧插孔接插件中，当插孔套筒还具有外连接部时，仅在另一端侧具有圆环扁状体，进一步降低成本。
此外，在本申请所涉及的片簧插孔接插件中，可选地，其中圆笼式筒状片簧有多个。
在本申请所涉及的片簧插孔接插件中，可根据需要，设置多个片簧，以降低接触电阻，增加使用的适应性。
附图说明
图1a示出了本申请第一实施方式所涉及的片簧插孔接插件的立体图；
图1b示出了本申请第一实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图1c示出了本申请第一实施方式所涉及的片簧插孔接插件的分解图；
图1d示出了本申请第一实施方式所涉及的内套圈的立体图；
图1e示出了本申请第一实施方式所涉及的内套圈沿轴线的剖视图；
图1f示出了本申请第一实施方式所涉及的片簧插孔接插件的使用原理图；
图2a示出了本申请第二实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图2b示出了本申请第二实施方式所涉及的片簧插孔接插件的分解图；
图3示出了本申请第三实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图3b示出了本申请第三实施方式所涉及的片簧插孔接插件的分解图；
图3c示出了本申请第三实施方式所涉及的内套圈的立体图；
图3d示出了本申请第三实施方式所涉及的内套圈的侧视图；
图3e示出了本申请第三实施方式所涉及的内套圈另一种实施方式沿轴线的剖视图；
图3f示出了本申请第三实施方式所涉及的内套圈又一种实施方式的立体图；
图3g示出了图3f在A处的局部放大图；
图3h示出了本申请第三实施方式所涉及的片簧插孔接插件的使用原理图；
图4a示出了本申请第四实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图4b示出了本申请第四实施方式所涉及的插孔套筒沿轴线的剖视图；
图4c示出了本申请第四实施方式所涉及的片簧插孔接插件的分解图；
图5a示出了本申请第五实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图5b示出了本申请第五实施方式所涉及的片簧插孔接插件的分解图；
图6示出了本申请第六实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图7a示出了本申请第七实施方式所涉及的片簧插孔接插件的立体图；
图7b示出了本申请第七实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图7c示出了本申请第七实施方式所涉及的片簧插孔接插件的分解图；
图7d示出了本申请第七实施方式所涉及的片簧插孔接插件的使用原理图；
图8a示出了本申请第八实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图8b示出了本申请第八实施方式所涉及的片簧插孔接插件的分解图；
图9a示出了本申请第九实施方式所涉及的片簧插孔接插件的立体图；
图9b示出了本申请第九实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图9c示出了本申请第九实施方式所涉及的片簧插孔接插件的使用原理图。
图10a示出了本申请第十实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图10b示出了本申请第十实施方式所涉及的片簧插孔接插件的使用原理图；
图11a示出了本申请第十一实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图11b示出了本申请第十一实施方式所涉及的片簧插孔接插件的分解图；
图12a示出了本申请第十二实施方式所涉及的片簧插孔接插件沿轴线的剖视图；
图12b示出了本申请第十二实施方式所涉及的片簧插孔接插件的分解图。
附图标记：
01、02、03、04、05、06、07、08、09、10、11、12为片簧插孔接插件；
20、201、202为插孔套筒；
20a、201a、202a为圆柱状接触套筒；
201b为外连接部；
21、211、212、213、214为内套圈；
21a、212a为圆环柱状体；
21b、211b、212b、213b、214b为圆环扁状体；
213c为锯齿；
22、221为圆笼式筒状片簧；
22a、221a为固合接触环；
22b、221b为栅条；
24为插孔壳体；
25为插针；
26为轴线。
具体实施方式
以下，参考附图详细地说明本申请的优选实施方式。在下面的说明中，对于相同的部件赋予相同的符号，省略重复的说明。另外，附图只是示意性的图，部件相互之间的尺寸的比例或者部件的形状可以与实际的不同。
本申请所涉及的接触件可以适用于电连接器，例如RADSOK所适用的插针插孔连接器等。
(第一实施方式)
图1a示出了本申请第一实施方式所涉及的片簧插孔接插件的立体图。图1b示出了本申请第一实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图1c示出了本申请第一实施方 式所涉及的片簧插孔接插件的分解图。图1d示出了本申请第一实施方式所涉及的内套圈的立体图。图1e示出了本申请第一实施方式所涉及的内套圈沿轴线的剖视图。
如图1a、1b和1c所示，本申请第一实施方式所涉及的片簧插孔接插件01包括插孔套筒20、两个内套圈21和圆笼式筒状片簧22。插孔套筒20进一步包括圆柱状接触套筒20a。内套圈21包括圆环柱状体21a，如图1d和1e所示。圆笼式筒状片簧22包括两个圆环形与圆柱状接触套筒20a内壁通过固定安装进行永久接触的固合接触环22a，这两个固合接触环22a分布于片簧22的两端。这两个固合接触环22a之间连接有与插针可分合接触的栅条22b。片簧22安装于圆柱状接触套筒20a内。两个内套圈21的圆环柱状体21a分别置于两个固合接触环22a内，固合接触环22a紧配于圆柱状接触套筒20a和圆环柱状体21a之间。通过内套圈21与固合接触环22a及圆柱状接触套管20a的紧配能实现非常好的电接触，而不是仅仅依靠固合接触环22a的张力来实现，因而增加了电接触的稳定性和可靠性。
如图1c所示，先把圆笼式筒状片簧22装入插孔套筒20的圆柱状接触套筒20a的内孔中，最后两端装配内套圈21，插孔接插件即装配完成。片簧22的固合接触环22a通过紧配产生的作用力，使固合接触环22a与圆柱状接触套筒20a、内套圈21两两紧贴，实现圆笼式筒状片簧22与插孔套筒20之间的可靠电连接、热传导。为了达到固合接触环22a与圆柱状接触套筒20a、内套圈21之间紧配的效果，可采用的方法有很多，比如：三者尺寸相互过盈装配、让零件之间有极大的温差利用热胀冷缩原理来装配、三者装配在一起后通过压力使插孔套筒朝轴心线方向压缩、三者装配在一起后通过张力使内套圈朝圆周外扩张等等。由于本实施方式工装、工艺不复杂，不会刮伤零件外露表面，所以可以电镀后装配，这样可以有效降低氧化层带来的接触电阻。
图1f示出了本申请第一实施方式所涉及的片簧插孔接插件的使用原理图。
如图1f所示，可将片簧插孔接插件01通过过盈配合安装在带有外连接部的插孔壳体24中，插针25可插入到接插件01中，与插孔壳体24之间便可形成方便通断操作的电路。
如图1a、1b、1c和1f所示，在本申请第一实施方式所涉及的片簧插孔接插件中，由于接插件01的圆笼式筒状片簧22没有外侧栅条，不用通过外侧栅条从内套筒的孔内绕过内套筒的壁进行180度翻转到内套筒的外圆圈面上，让外侧栅条紧配于内套筒与外套筒之间，在直径方向节省了两倍片簧22的材料厚度和内套筒的两倍壁厚，使得接插件01直径方向尺寸变小；内套圈21、圆笼式筒状片簧22相比于现有技术长度较短，降低了材料成本。又由于省去了弯折工艺，使得装配工艺也方便简单，降低了工艺成本。现有技术是通过外侧栅条紧配于内套筒和外套筒之间，而本实施方式采用的是整个固合接触环22a紧配，接触面积大，有利于导电和导热。由于内套圈21对插针25在径向方向能起限位作用，可降低在使用时因振动对接插件01带来的影响，提升了接插件01的抗振性。还能限位插针25在插入接插件01时居于轴线26位置，降低偏心插入对片簧接插件01的损害；该接插件01整体外观比RADSOK更加简洁、美观。
(第二实施方式)
图2a示出了本申请第二实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图2b示出了本申请第二实施方式所涉及的片簧插孔接插件的分解图。为了便于说明，这里的接插件02仅示出与第一实施方式所涉及的接插件01不同的部分。如图2a、2b所示，本实施方式与第一实施方式的不同点在于：其中插孔套筒201包括圆柱状接触套筒201a和外连接部201b，外连接部201b与圆柱状接触套筒201a的一端侧连接。外连接部201b实质上是一种压线结构， 其它与圆柱状接触套筒201a的连接还有公知的螺纹等方式。在保证连接品质的基础上，本实施方式增加了针对不同插孔套筒的装配适应性。
(第三实施方式)
图3示出了本申请第三实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图3b示出了本申请第三实施方式所涉及的片簧插孔接插件的分解图。图3c示出了本申请第三实施方式所涉及的内套圈的立体图。图3d示出了本申请第三实施方式所涉及的内套圈的侧视图。图3e示出了本申请第三实施方式所涉及的内套圈另一种实施方式沿轴线的剖视图。图3f示出了本申请第三实施方式所涉及的内套圈又一种实施方式的立体图。图3g示出了图3f在A处的局部放大图。
本申请第三实施方式是对第一实施方式的改进。如图3和3b所示，本申请第三实施方式所涉及的片簧插孔接插件03包括插孔套筒20、两个内套圈211和圆笼式筒状片簧22。插孔套筒20进一步包括圆柱状接触套筒20a。内套圈211包括相互连接的圆环柱状体211a和圆环扁状体211b，如图3c和3d所示。圆笼式筒状片簧22包括两个圆环形与圆柱状接触套筒20a内壁通过固定安装进行永久接触的固合接触环22a，这两个固合接触环22a分布于片簧22的两端。这两个固合接触环22a之间连接有与插针可分合接触的栅条22b。片簧22安装于圆柱状接触套筒20a内。两个内套圈211的圆环柱状体211a分别置于两个固合接触环22a内，固合接触环22a紧配于圆柱状接触套筒20a和圆环柱状体211a之间。圆环扁状体211b的内圈与圆环柱状体211a的一端侧连接，圆环扁状体211b的外圈通过安装与圆柱状接触套筒20a内孔紧配接触。该内孔为安装圆笼式筒状片簧22所在的孔。在本申请第三实施方式所涉及的片簧插孔接插件中，除了固合接触环22a与插孔套筒20可以直接连通导电的通道外，由于内套圈211中圆环扁状体211b的存在，还增加了通过内套圈211与插孔套筒20连通导电的第二条通道，可以进一步降低接触电阻，保证接触更加可靠。
在本申请第三实施方式所涉及的接插件03中，内套圈211的所有轮廓特征，都置于与安装圆笼式筒状片簧22所在孔的同一个圆孔内，使得插孔套筒20的孔内特征变得相当简单，特别是当插孔套筒20不带外连接部时，用管材切断即可使用，极大节省了加工成本，内套圈211限制在片簧22所在孔内，最大外径也较小，也可节省材料。为了增强内套圈211和插孔套筒20的连接强度，可将圆环扁状体211b焊接到圆柱状接触套筒的内壁。
在如图3e所示的另一种实施方式中，加工内套圈212优选使得圆环柱状体212a的壁厚a大致等于圆环扁状体212b在轴线26方向上的厚度b。这样可以不采用车床加工，而可采用高效的冲床加工，或者管材加工，有利于节省成本。
在如图3f和3g所示的又一种实施方式中，内套圈213在圆环扁状体213b与圆柱状接触套筒20a内壁紧配接触的圆柱面上具有均匀分布的锯齿213c。锯齿213c既可以增加圆环扁状体213b与插孔套筒内壁紧配时的接触面积，又可以增加牢固性防止脱落。
图3h示出了本申请第三实施方式所涉及的片簧插孔接插件的使用原理图。如图3h所示，可将片簧插孔接插件03通过过盈配合安装在带有外连接部的插孔壳体24中，插针25可插入到接插件03中，与插孔壳体24之间便可形成方便通断操作的电路。
(第四实施方式)
图4a示出了本申请第四实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图4b示出了本申请第四实施方式所涉及的插孔套筒的沿轴线的剖视图。图4c示出了本申请第四实施方式所涉及的片簧插孔接插件的分解图。本实施方式是对第三实施方式的进一步更改。为了 便于说明，这里的接插件04仅示出与第三实施方式所涉及的接插件03不同的部分。如图4a、4b和4c所示，本实施方式与第三实施方式的不同点在于：插孔套筒202的圆柱状接触套筒202a在两个端侧具有台阶孔202c，外套圈214的圆环扁状体214b在该台阶孔202c中与圆柱状接触套筒202a紧配。
(第五实施方式)
图5a示出了本申请第五实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图5b示出了本申请第五实施方式所涉及的片簧插孔接插件的分解图。本实施方式是对第三实施方式的改进。为了便于说明，这里的接插件05仅示出与第三实施方式所涉及的接插件03不同的部分。如图5a、5b所示，本实施方式与第三实施方式的不同点在于：其中插孔套筒201包括圆柱状接触套筒201a和外连接部201b，外连接部201b与圆柱状接触套筒201a的一端侧连接。外连接部201b实质上是一种压线结构，其它与圆柱状接触套筒201a的连接还有公知的螺纹等方式。在保证连接品质的基础上，本实施方式增加了针对不同插孔套筒的装配适应性。
(第六实施方式)
图6示出了本申请第六实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。第六实施方式是对第五实施方式的简化。为了便于说明，这里的接插件06仅示出与第五实施方式所涉及的接插件05不同的部分。如图6所示，本实施方式与第五实施方式的不同点在于：圆柱状接触套筒201a靠近外连接部201b的一侧采用的是与第一实施方式相同的内套圈21，如图1d、图1e所示。而圆柱状接触套筒201a对应插针插入的一侧采用的是与第三实施方式相同的内套圈211，如图3c、3d所示。
(第七实施方式)
图7a示出了本申请第七实施方式所涉及的片簧插孔接插件的立体图。图7b示出了本申请第七实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图7c示出了本申请第七实施方式所涉及的片簧插孔接插件的分解图。图7d示出了本申请第七实施方式所涉及的片簧插孔接插件的使用原理图。第七实施方式是对第三实施方式的增强改进。为了便于说明，这里的接插件07仅示出与第三实施方式所涉及的接插件03不同的部分。如图7a、7b所示，本实施方式与第三实施方式的不同点在于：包含两个圆笼式筒状片簧22，其依次头尾接触。每个片簧22都分别安装有两个内套圈211。
本实施方式的装配和使用均与第三实施方式相同，如图7c、图7d所示。
本领域技术人员应该理解，本实施方式的2个片簧是示例性的，可以安装2个以上的片簧。
(第八实施方式)
图8a示出了本申请第八实施方式所涉及的片簧插孔接插件的沿轴线的剖视图。图8b示出了本申请第八实施方式所涉及的片簧插孔接插件的分解图。第八实施方式是对第五实施方式的增强改进。为了便于说明，这里的接插件08仅示出与第五实施方式所涉及的接插件05不同的部分。如图8a所示，本实施方式与第五实施方式的不同点在于：包含两个圆笼式筒状片簧22，其依次头尾接触。每个片簧22都分别安装有两个内套圈211。
本实施方式的装配和使用均与第五实施方式相同，如图8b所示。
本领域技术人员应该理解，本实施方式的2个片簧是示例性的，可以安装2个以上的片簧。
(第九实施方式)
图9a示出了本申请第九实施方式所涉及的片簧插孔接插件的立体图，图9b示出了本申请第九实施方式所涉及的片簧插孔接插件沿轴线的剖视图。为了便于说明，这里的接插件09仅示出与第三实施方式所涉及的接插件03不同的部分。如图9a、9b所示，本实施方式与第三实施方式的不同点在于：其中圆笼式筒状片簧221为一体成型的多节连续梁结构，本实施方式为2节片簧结构。其包括三个固合接触环221a，该三个固合接触环221a与圆柱状接触套筒20a内壁通过固定安装进行永久接触，每两个相邻固合接触环221a之间连接有可分合接触的栅条221b。在两个端侧的固合接触环221a上装配有与第三实施方式相同的内套圈211。
图9c示出了本申请第九实施方式所涉及的片簧插孔接插件的使用原理图。可将接插件09通过过盈配合安装在带有外连接部的插孔壳体24中，由于两节片簧的存在，使得插针25插入接插件09后，与插孔壳体24之间能形成更多的并联通路，有效地降低接插件09的接触电阻。
本实施方式的2节片簧是示例性的，本领域技术人员应该理解，可以采用3节或3节以上的片簧。
(第十实施方式)
图10a示出了本申请第十实施方式所涉及的片簧插孔接插件沿轴线的剖视图。第十实施方式是对第九实施方式的进一步改进。为了便于说明，这里的接插件10仅示出与第九实施方式所涉及的接插件09不同的部分。如图10a所示，本实施方式与第九实施方式的不同点在于：还包括1个与中间固合接触环221a对应的内套圈21，该内套圈21的结构如图1d、1e所示。中间的固合接触环221a紧配于内套圈21与圆柱状接触套筒20a之间。
图10b示出了本申请第十实施方式所涉及的片簧插孔接插件的使用原理图。如图10a、10b所示，在本实施方式所涉及的片簧插孔接插件10中，采用两节片簧的连续梁结构，将插针25插入接插件10后，与插孔壳体24之间能形成更多的并联电路，能有效降低接插件10的接触电阻。此外，通过内套圈21将中部固合接触环221a和圆柱状接触套筒20a紧配，使得固合接触环221a与插孔套筒的接触更加可靠，同时也有利于防止片簧变形。
(第十一实施方式)
图11a示出了本申请第十一实施方式所涉及的片簧插孔接插件沿轴线的剖视图。图11b示出了本申请第十一实施方式所涉及的片簧插孔接插件的分解图。为了便于说明，这里的接插件11仅示出与第九实施方式所涉及的接插件09不同的部分。如图11a、11b所示，本实施方式与第九实施方式的不同点在于：其中插孔套筒201包括圆柱状接触套筒201a和外连接部201b，外连接部201b与圆柱状接触套筒201a的一端侧连接。外连接部201b实质上是一种压线结构，其它与圆柱状接触套筒201a的连接还有公知的螺纹等方式。
(第十二实施方式)
图12a示出了本申请第十二实施方式所涉及的片簧插孔接插件沿轴线的剖视图。第十二实施方式是对第十一实施方式的进一步改进。为了便于说明，这里的接插件12仅示出与第十一实施方式所涉及的接触件11不同的部分。如图12a所示，本实施方式与第十一实施方式的不同点在于：还包括1个与中间固合接触环221a对应的内套圈21，该内套圈21的结构如图1d、1e所示。中间的固合接触环221a紧配于内套圈21与圆柱状接触套筒201a之间。
图12b示出了本申请第十二实施方式所涉及的片簧插孔接插件的分解图。如图12a和12b所示，在本实施方式所涉及的片簧插孔接插件12中，采用两节片簧的连续梁结构，通过内套圈21将中部固合接触环221a和圆柱状接触套筒201a紧配，使得固合接触环221a与插孔套 筒的接触更加可靠，同时也有利于防止圆笼式筒状片簧变形。
以上所述仅为本申请的较佳实施例而已，是结合具体的优选实施方式对本申请所作的进一步详细说明，不能认定本申请的具体实施只局限于这些说明。凡在本申请的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本申请的保护范围之内。

Claims (10)

  1. 一种片簧插孔接插件，其特征在于，
    包括：
    插孔套筒，包括圆柱状接触套筒；
    圆笼式筒状片簧，安装于所述圆柱状接触套筒内，包括两个圆环形与所述圆柱状接触套筒内壁通过固定安装进行永久接触的固合接触环，所述两个固合接触环分布于所述片簧的两端；
    所述两个固合接触环之间连接有与插针可分合接触的栅条；
    两个内套圈，所述内套圈包括圆环柱状体，所述圆环柱状体分别置于所述固合接触环内，所述固合接触环紧配于所述圆柱状接触套筒和所述圆环柱状体之间。
  2. 根据权利要求1所述的接插件，其特征在于，其中所述圆笼式筒状片簧为一体成型的多节连续梁结构，还包括置于所述片簧两端固合接触环之间的n个固合接触环，n大于等于1，所述n个固合接触环与所述圆柱状接触套筒内壁通过固定安装进行永久接触，每两个相邻固合接触环之间连接有与插针可分合接触的栅条。
  3. 根据权利要求2所述的接插件，其特征在于，其中还包括n个与所述n个固合接触环对应的所述内套圈，所述n个固合接触环分别紧配于所述圆柱状接触套筒和对应的所述内套圈之间。
  4. 根据权利要求1所述的接插件，其特征在于，其中所述内套圈还包括圆环扁状体，所述圆环扁状体的内圈与所述圆环柱状体的一端侧连接，所述圆环扁状体的外圈通过安装与所述圆柱状接触套筒的内孔紧配接触，其中所述内孔为安装所述圆笼式筒状片簧所在的孔。
  5. 根据权利要求4所述的接插件，其特征在于，其中所述圆环扁状体在轴线方向的厚度大致等于所述圆环柱状体的壁厚。
  6. 根据权利要求4所述的接插件，其特征在于，其中所述圆环扁状体与所述圆柱状接触套筒内孔紧配的圆柱面上具有均匀分布的锯齿。
  7. 根据权利要求1所述的接插件，其特征在于，其中所述内套圈还包括圆环扁状体，所述圆环扁状体的内圈与所述圆环柱状体的一端侧连接，所述圆柱状接触套筒的两端侧具有直径比安装所述圆笼式筒状片簧所在的孔稍大的台阶孔，所述圆环扁状体的外圈通过安装与所述台阶孔紧配接触。
  8. 根据权利要求4至7任一所述的接插件，其特征在于，其中所述圆环扁状体还通过焊接与所述圆柱状接触套筒的内壁连接。
  9. 根据权利要求1至3任一所述的接插件，其特征在于，
    其中所述插孔套筒还包括外连接部，所述外连接部与所述圆柱状接触套筒的一端侧连接；
    其中所述圆柱状接触套筒另一端侧所对应的内套圈还包括圆环扁状体，所述圆环扁状体的内圈与所述圆环柱状体的一端侧连接，所述圆环扁状体的外圈通过安装与所述圆柱状接触套筒的内孔紧配接触。
  10. 根据权利要求1至7任一所述的接插件，其特征在于，其中所述圆笼式筒状片簧有多个。
PCT/CN2018/105497 2017-09-21 2018-09-13 一种片簧插孔接插件 WO2019056978A2 (zh)

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