WO2013108579A1 - 防水機能付きスプリングコネクタ - Google Patents
防水機能付きスプリングコネクタ Download PDFInfo
- Publication number
- WO2013108579A1 WO2013108579A1 PCT/JP2012/084146 JP2012084146W WO2013108579A1 WO 2013108579 A1 WO2013108579 A1 WO 2013108579A1 JP 2012084146 W JP2012084146 W JP 2012084146W WO 2013108579 A1 WO2013108579 A1 WO 2013108579A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- conductive tube
- conductive
- hole
- spring connector
- waterproof function
- Prior art date
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Classifications
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
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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
- H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
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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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
- H01R13/2407—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means
- H01R13/2421—Contacts for co-operating by abutting resilient; resiliently-mounted characterized by the resilient means using coil springs
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/521—Sealing between contact members and housing, e.g. sealing insert
-
- 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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5224—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for medical use
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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
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/48—Clamped connections, spring connections utilising a spring, clip, or other resilient member
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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
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/714—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit with contacts abutting directly the printed circuit; Button contacts therefore provided on the printed circuit
Definitions
- the present invention relates to a spring connector with a waterproof function, which is a connector used for electrical connection and has a structure that prevents intrusion of water droplets.
- a spring connector that secures electrical connection in a medical device such as an infusion device used in a medical field is required to have a waterproof function for preventing liquid such as a medicine from entering the inside of the device.
- Patent Document 1 discloses a drip-proof connector that electrically connects a circuit board and a cartridge of a transpulmonary medication apparatus.
- the drip-proof connector includes a hollow body pin 11 that is press-fitted into the mounting hole 2 of the housing 1, a movable pin 12 that is removably inserted into the body pin 11, and the body.
- the bottom surface of the movable pin 12 is inclined at an angle of 10 ° to 30 °, and the coil spring 17 is pressed against the bottom surface to contact the inner peripheral surface of the body pin 11 and the peripheral surface of the movable pin 12. , The contact can be ensured and extremely good conductivity and low resistance can be obtained ”(paragraph [0032] in the same document).
- the drip-proof connector of Patent Document 1 since the drip-proof cover 20 is tightly fitted in the fitting groove 16 on the side surface of the movable pin 12, even if the bottom surface of the movable pin 12 is inclined. The drip-proof cover 20 prevents the movable pin 12 from tilting, and it is actually difficult to ensure the contact between the inner peripheral surface of the body pin 11 and the peripheral surface of the movable pin 12 (and thus ensure the contact between objects). It can be said.
- the present invention has been made in recognition of such a situation, and an object of the present invention is to provide a spring connector with a waterproof function capable of reliable contact as compared with the conventional case.
- An aspect of the present invention is a spring connector with a waterproof function, A conductive tube whose tip is in contact with one object; The distal end is a contact portion with the other object and protrudes from the opening of the proximal end of the conductive tube, the proximal end is in the conductive tube, and is slidable with respect to the conductive tube.
- a conductive pin having an inclined surface inclined at least partly with respect to a plane perpendicular to the axial direction;
- a spring that is held in the conductive tube and presses the inclined surface of the conductive pin to bias the conductive pin in a direction protruding from the conductive tube;
- the conductive tube is inserted and has a hole that is in close contact with the side surface of the conductive tube, and includes an elastic member that spreads in a bowl shape from the side surface of the conductive tube.
- a housing having a hole that slidably supports at least a part of a side surface on the proximal end side of the elastic member of the conductive tube, wherein the tip of the conductive pin is not in contact with an object;
- the front end of the conductive pin may protrude from the hole of the housing.
- the convex portion of the conductive tube has a tapered portion that is tapered in a tapered shape toward the base end side, and the conductive tube can be inserted into the hole of the housing from the base end side. Good.
- the hole portion of the housing is formed by connecting a small diameter hole portion and a large diameter hole portion in order from the proximal end side of the conductive tube,
- the conductive tube has a small diameter portion located in or extending in the small diameter hole portion, and a large diameter portion positioned in or extending in the large diameter hole portion, When the tip of the conductive pin is pushed into the hole so as not to protrude, a part of the large diameter portion of the conductive tube may remain in the large diameter hole.
- the tip of the conductive tube can protrude from the hole of the cover,
- the elastic member may be sandwiched and pressed from both sides in the axial direction of the conductive tube by the housing and the cover.
- the conductive tube may have a concave groove that goes around the side surface, and the elastic member may be fitted into the concave groove and elastically contacted.
- the elastic member may elastically contact the bottom surface and both side surfaces of the groove at the entire circumference of the groove.
- a non-elastic ring surrounding the outside of the hole of the elastic member may be integrally provided or fitted to the elastic member.
- the conductive tube has a base end that is a caulking portion, and the conductive pin has a large diameter portion that is larger in diameter than the inner diameter of the caulking portion on the base end side, and the large diameter portion of the conductive pin And the caulking portion may prevent the conductive pin from coming off from the conductive tube.
- the side surface on the proximal end side of the conductive pin may be pressed against the inner surface of the conductive tube.
- the elastic member is provided on the conductive tube and the conductive pin does not need to be provided with an elastic member for waterproofing, the conductive pin is not hindered by the elastic member. Can be pressed to the inner surface of the conductive tube with a sufficient lateral pressure, and a spring connector with a waterproof function that can be reliably contacted compared to the conventional case can be realized.
- Sectional drawing of the unused state of the spring connector 1 with a waterproof function which concerns on Embodiment 1 of this invention Sectional drawing of the one-side connection state of the spring connector 1 with the said waterproof function. Sectional drawing of the both-sides connection state of the spring connector 1 with the said waterproof function.
- Sectional drawing of the spring connector 2 with a waterproof function which concerns on Embodiment 2 of this invention Sectional drawing of the one-side connection state of the spring connector 2 with a waterproof function.
- Sectional drawing of the both-sides connection state of the spring connector 2 with a waterproof function The disassembled perspective view of the spring connector 2 with the waterproof function seen from directions opposite to each other.
- FIG. 1 is a sectional view of a spring connector 1 with a waterproof function according to Embodiment 1 of the present invention in an unused state.
- FIG. 2 is a cross-sectional view of the spring connector 1 with a waterproof function in a one-side connection state.
- FIG. 3 is a cross-sectional view of the spring connector 1 with a waterproof function in a connected state (used state) on both sides.
- 4 (A) and 4 (B) are exploded perspective views of the spring connector 1 with a waterproof function as seen from opposite directions. However, illustration of the cover 8 is omitted in this figure.
- 5 (A) and 5 (B) are partially exploded perspective views of a device to which the spring connector 1 with a waterproof function is applied as seen from opposite directions. However, in this figure, the cover 8 is shown separated from the spring connector 1 with a waterproof function.
- the waterproof spring connector 1 includes a conductive tube 3, a conductive pin 4, a spring 5, an insulating elastic member 6, a housing 7, and a cover 8.
- the conductive tube 3 is a conductive metal body such as a copper alloy, and is used for connection with a battery 102 which is an example of one object (see FIG. 3).
- the conductive pin 4 is a conductive metal body such as a copper alloy, and is used for connection to the circuit board 101 of the other object (not shown, for example, a medical device such as a drip device) (see FIGS. 2 and 3). .
- the electrodes and conductive patterns of the circuit board 101 and the battery 102 are not shown.
- the conductive tube 3 has a small diameter part 31, a large diameter part 32, and a contact part 33 in order from the base end side.
- the proximal end of the small diameter portion 31 is open and becomes a caulking portion 34.
- a convex portion 35 is formed on the side surface of the small diameter portion 31.
- the convex portion 35 goes around the side surface of the intermediate portion in the axial direction of the small diameter portion 31.
- a concave groove 36 is formed on the side surface of the large diameter portion 32.
- the concave groove 36 makes a round around the side surface of the intermediate portion in the axial direction of the large diameter portion 32.
- a hollow portion 37 extending from the opening at the proximal end of the small diameter portion 31 to the middle portion in the axial direction of the large diameter portion 32 forms an internal space of the conductive tube 3.
- the tip of the contact portion 33 is a convex surface such as a spherical surface and contacts the electrode of the battery 102 during use (see FIG. 3).
- the conductive pin 4 has a large diameter portion 41 and a small diameter portion 42 in order from the base end side.
- the large diameter portion 41 is larger in diameter than the opening of the caulking portion 34 of the conductive tube 3 and can slide in the hollow portion 37 of the conductive tube 3.
- the base end surface of the large diameter portion 41 is an inclined surface 43 that is inclined with respect to a plane perpendicular to the axial direction.
- the small diameter portion 42 is smaller than the diameter of the opening of the caulking portion 34 of the conductive tube 3 and protrudes from the caulking portion 34.
- the tip of the small-diameter portion 42 is a convex surface such as a spherical surface and contacts the electrode of the circuit board 101 during use (see FIGS. 2 and 3).
- the spring 5 is a coil spring formed of a general material such as a piano wire or a stainless wire, and is held in the hollow portion 37 of the conductive tube 3. One end of the spring 5 comes into contact with the bottom surface of the hollow portion 37 of the conductive tube 3. The other end of the spring 5 presses the inclined surface 43 of the conductive pin 4 and biases the conductive pin 4 in a direction protruding from the conductive tube 3. At this time, the engagement of the large diameter portion 41 of the conductive pin 4 and the caulking portion 34 of the conductive tube 3 prevents the conductive pin 4 from coming off from the conductive tube 3.
- the elastic member 6 is, for example, rubber such as silicon rubber, and has a hole portion 61 into which the conductive tube 3 is inserted and is in close contact with the side surface of the conductive tube 3, and is fitted in the concave groove 36 of the conductive tube 3. It comes into elastic contact and spreads like a bowl from the side of the conductive tube 3. Before the mounting to the conductive tube 3 (unmounted state), the diameter of the hole 61 of the elastic member 6 is smaller than the diameter of the bottom surface of the concave groove 36 of the conductive tube 3 and the thickness in the vicinity of the hole 61 Is larger than the groove width of the concave groove 36 of the conductive tube 3.
- the inner surface of the hole 61 is in elastic contact with the bottom surface of the groove 36 of the conductive tube 3 on the entire circumference of the groove 36 of the conductive tube 3. Both sides in the vicinity are in elastic contact with both side surfaces of the concave groove 36 of the conductive tube 3.
- the conductive tube 3 is fixed in close contact with the hole 61 of the elastic member 6 to prevent water droplets from entering from the tip side.
- the elastic member 6 has ring-shaped convex portions 62 having a partially increased thickness on both surfaces at a position separated from the side surface of the conductive tube 3 by a predetermined distance.
- the housing 7 is made of, for example, an insulating resin, and has a hole 71 that slidably supports a side surface closer to the base end side than the elastic member 6 of the conductive tube 3.
- the hole 71 is formed by connecting a small diameter hole 72, a large diameter hole 73, and an elastic member side opening 74 in order from the proximal end side of the conductive tube 3.
- the small diameter portion 31 of the conductive tube 3 is inserted into the small diameter hole portion 72, and the large diameter portion 32 of the conductive tube 3 is inserted into the large diameter hole portion 73.
- angular part of the large diameter part 32 of the conductive tube 3 is chamfered, and the insertion to the large diameter hole part 73 is easy.
- the elastic member-side opening 74 has a larger diameter than the large-diameter hole 73 over a predetermined depth so as not to prevent deformation of the elastic member 6 accompanying the sliding of the conductive tube 3 in the axial direction. It is formed to become.
- the tip of the conductive pin 4 protrudes from the hole 71 of the housing 7 in a state where the tip of the conductive pin 4 is not in contact with the object.
- a convex portion 75 is formed on the inner surface of the small diameter hole portion 72.
- the convex portion 75 goes around the inner surface of the small-diameter hole portion 72 in the vicinity of the end portion of the small-diameter hole portion 72 on the large-diameter hole portion 73 side.
- the maximum value of the protrusion amount at the tip of the conductive tube 3 is regulated by the engagement between the convex portion 75 of the housing 7 and the convex portion 35 of the conductive tube 3.
- the cover 8 is made of, for example, an insulating resin, has a hole portion 81 that exposes the tip of the conductive tube 3, and covers the housing 7 from the tip side of the conductive tube 3.
- the tip of the conductive tube 3 protrudes from the hole 81 of the cover 8 in a state where the tip of the conductive tube 3 is not in contact with the object.
- the convex portion 62 of the elastic member 6 is sandwiched and pressed from both sides in the axial direction of the conductive tube 3 by the housing 7 and the cover 8. As a result, intrusion of water droplets from the gap between the housing 7 and the cover 8 is prevented.
- a frame-like case 103 (for example, made of insulating resin) is fixed to a circuit board 101 that is a connection target, and the spring connector 1 with a waterproof function is inserted inside the case 103.
- the cover 8 is put on the housing 7 by being fixed to the case 103.
- it is set as the waterproof structure between the cover 8 and the case 103, it abbreviate
- the tip of the conductive pin 4 comes into contact with the electrode of the circuit board 101.
- the conductive tube 3 is moved along the hole 71 of the housing 7 until the protrusion 35 of the small diameter portion 31 is hooked (engaged) with the protrusion 75 of the small diameter hole 72 of the housing 7 by the bias of the spring 5.
- the conductive pin 4 slides back in the hollow portion 37 of the conductive tube 3 against the urging of the spring 5 (pressing and shrinking the spring 5).
- the protrusion amount of the tip of the conductive tube 3 is controlled to be constant, and a contact pressure of the tip of the conductive pin 4 to the electrode of the circuit board 101 is sufficiently secured.
- the proximal end side of the large diameter portion 32 of the conductive tube 3 remains in the large diameter hole portion 73 of the housing 7, when the distal end of the conductive tube 3 is subsequently pushed in as shown in FIG. 3.
- the large diameter portion 32 of the conductive tube 3 is prevented from being caught on the upper end of the large diameter hole portion 73 of the housing 7.
- the spring 5 presses the base end surface (inclined surface 43) of the conductive pin 4 the conductive pin 4 tilts and the side surface of the large diameter portion 41 on the base end side of the conductive pin 4 is the conductive tube 3. Therefore, the conductive tube 3 and the conductive pin 4 are reliably in contact with each other and conducted.
- the battery 102 is mounted from the tip side of the conductive tube 3 as shown in FIG. 3.
- the cover 8 has a recess 82 that matches the shape of the battery 102, and the battery 102 is inserted along the recess 82 until it contacts the bottom surface of the recess 82. Then, the conductive tube 3 that protrudes from the hole 81 of the cover 8 (that is, protrudes from the bottom surface of the recess 82) is pressed while the tip abuts against the electrode of the battery 102, and the open end (recess 82) of the hole 81.
- the spring 5 and the large diameter portion 41 of the conductive pin 4 are inserted into the hollow portion 37 of the conductive tube 3, and the proximal end of the conductive tube 3 is caulked.
- the caulking portion 34 is formed to form an assembly in which the three members are integrated. A plurality of the assemblies are prepared, and the hole 61 of the elastic member 6 is fitted into the concave groove 36 of each conductive tube 3 and inserted into the hole 71 of the housing 7 (see FIG. 4).
- the base end side of the convex portion 35 of the conductive tube 3 is hooked with the convex portion 75 of the small-diameter hole 72 of the housing 7, but the convex portion 35 of the conductive tube 3 is formed by pushing the conductive tube 3 from the distal end side.
- the projection 75 of the small diameter hole 72 is moved from the top to the bottom in the figure (because the housing 7 is partially elastically deformed slightly).
- the spring connector 1 with a waterproof function is completed.
- the cover 8 is attached later when the circuit board 101 is mounted.
- the convex portion 35 of the conductive tube 3 is tapered in a tapered shape toward the proximal end side, the convex portion 35 has a relatively small convex portion 75 of the small-diameter hole portion 72 from top to bottom in the figure. It gets over easily, but does not get over easily from the bottom to the top in the figure (that is, it does not come out from the hole 71 of the housing 7).
- a portion of the proximal end side of the large diameter portion 32 of the conductive tube 3 is part of the housing 7 in a state where the proximal end side of the convex portion 35 of the conductive tube 3 is hooked with the convex portion 75 of the small diameter hole portion 72 of the housing 7.
- the case 103 When mounting the waterproof spring connector 1 on the circuit board 101, the case 103 is attached and fixed to the circuit board 101, and the waterproof spring connector 1 (except for the cover 8) is inserted inside the case 103.
- the cover 8 is fixed to the case 103 (see FIG. 5).
- the elastic member 6 is attached to the conductive tube 3, while the conductive pin 4 is not attached with a waterproof elastic member.
- the tilt of the conductive pin 4 is free. Therefore, the conductive pin 4 pushed by the spring 5 easily tilts as compared with the movable pin of Patent Document 1, and the side surface of the large diameter portion 41 contacts the inner surface of the hollow portion 37 of the conductive tube 3 with sufficient lateral pressure. it can. Therefore, the spring connector 1 with a waterproof function is realized, which is more reliable in contact with the drip-proof connector of Patent Document 1 and is excellent in terms of conductivity and low resistance.
- FIG. 6 is a cross-sectional view of the spring connector 2 with a waterproof function according to Embodiment 2 of the present invention.
- FIG. 7 is a cross-sectional view of the spring connector 2 with a waterproof function in a connection state on one side.
- FIG. 8 is a cross-sectional view of the spring connector 2 with a waterproof function in a connected state (used state) on both sides.
- FIGS. 9A and 9B are exploded perspective views of the spring connector 2 with a waterproof function as seen from opposite directions. However, illustration of the cover 8 is omitted in this figure.
- FIGS. 10A and 10B are partially exploded perspective views of a device to which the spring connector 2 with a waterproof function is applied as seen from opposite directions. However, in this figure, the cover 8 is shown separately from the spring connector 2 with a waterproof function.
- the periphery of the hole 61 of the elastic member 6 is a thick wall portion in which a ring-shaped groove 64 is formed.
- a non-elastic ring 63 made of, for example, metal that surrounds the outside of the hole 61 is fitted in the ring-shaped groove 64 of the elastic member 6.
- the inelastic ring 63 has a function of increasing the rigidity in the vicinity of the hole 61 of the elastic member 6.
- the non-elastic ring 63 may be integrally formed on the elastic member 6 by, for example, insert molding.
- the inelastic ring 63 As the inelastic ring 63 is provided on the elastic member 6, the depth of the concave groove 36 of the conductive tube 3 becomes significantly shallower than that of the first embodiment, and the concave groove 36 is mainly displaced by the elastic member 6. It works to prevent. That is, since the rigidity is increased by the inelastic ring 63, the waterproof function is sufficient only by elastic contact between the inner surface of the hole 61 of the elastic member 6 and the side surface of the large diameter portion 32 of the conductive tube 3. A flange portion 38 is formed at the tip of the large diameter portion 32 of the conductive tube 3 to prevent the elastic member 6 from being pulled out. Other points of the present embodiment are the same as those of the first embodiment. According to the present embodiment, as in the first embodiment, a spring connector with a waterproof function is possible in comparison with the drip-proof connector of Patent Document 1 and is more reliable in terms of conductivity and lower resistance. 2 is realized.
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
先端が一方の対象物との接触部である導電性チューブと、
先端が他方の対象物との接触部であって前記導電性チューブの基端の開口から突出し、基端が前記導電性チューブ内にあり、前記導電性チューブに対して摺動可能で、基端面の少なくとも一部が軸方向と垂直な面に対して傾斜した傾斜面となっている導電性ピンと、
前記導電性チューブ内に保持され、前記導電性ピンの前記傾斜面を押圧して前記導電性ピンを前記導電性チューブから突出する方向に付勢するスプリングと、
前記導電性チューブが挿入されて前記導電性チューブの側面と密着した孔部を有し、前記導電性チューブの側面から鍔状に広がる弾性部材とを備える。
前記導電性チューブは、前記小径孔部内に位置する又は延在する小径部と、前記大径孔部内に位置する又は延在する大径部とを有し、
前記導電性ピンの先端が前記孔部から非突出状態になるまで押し込まれたときに、前記導電性チューブの前記大径部の一部が前記大径孔部内に留まってもよい。
前記ハウジングと前記カバーとで前記弾性部材を前記導電性チューブの軸方向の両側から挟み込んで押圧していてもよい。
実施の形態1は、図1~5に示される。図1は、本発明の実施の形態1に係る防水機能付きスプリングコネクタ1の未使用状態の断面図である。図2は、防水機能付きスプリングコネクタ1の片側接続状態の断面図である。図3は、防水機能付きスプリングコネクタ1の両側接続状態(使用状態)の断面図である。図4(A),(B)は、互いに逆となる方向から見た防水機能付きスプリングコネクタ1の分解斜視図である。但し、本図においてカバー8の図示を省略している。図5(A),(B)は、互いに逆となる方向から見た防水機能付きスプリングコネクタ1を適用した装置の一部分解斜視図である。但し、本図においてカバー8は防水機能付きスプリングコネクタ1から分離して示される。
実施の形態2は、図6~10に示される。 図6は、本発明の実施の形態2に係る防水機能付きスプリングコネクタ2の断面図である。図7は、防水機能付きスプリングコネクタ2の片側接続状態の断面図である。図8は、防水機能付きスプリングコネクタ2の両側接続状態(使用状態)の断面図である。図9(A),(B)は、互いに逆となる方向から見た防水機能付きスプリングコネクタ2の分解斜視図である。但し、本図においてカバー8の図示を省略している。図10(A),(B)は、互いに逆となる方向から見た防水機能付きスプリングコネクタ2を適用した装置の一部分解斜視図である。但し、本図においてカバー8は防水機能付きスプリングコネクタ2から分離して示される。
3 導電性チューブ
4 導電性ピン
5 スプリング
6 弾性部材
7 ハウジング
8 カバー
34 かしめ部
35 凸部
36 凹溝
43 傾斜面
71 孔部
75 凸部
101 回路基板
102 バッテリ
103 ケース
Claims (11)
- 先端が一方の対象物との接触部である導電性チューブと、
先端が他方の対象物との接触部であって前記導電性チューブの基端の開口から突出し、基端が前記導電性チューブ内にあり、前記導電性チューブに対して摺動可能で、基端面の少なくとも一部が軸方向と垂直な面に対して傾斜した傾斜面となっている導電性ピンと、
前記導電性チューブ内に保持され、前記導電性ピンの前記傾斜面を押圧して前記導電性ピンを前記導電性チューブから突出する方向に付勢するスプリングと、
前記導電性チューブが挿入されて前記導電性チューブの側面と密着した孔部を有し、前記導電性チューブの側面から鍔状に広がる弾性部材とを備える、防水機能付きスプリングコネクタ。 - 前記導電性チューブの前記弾性部材よりも基端側の側面の少なくとも一部を摺動可能に支持する孔部を有するハウジングを備え、前記導電性ピンの先端が対象物に接触していない状態で前記導電性ピンの先端が前記ハウジングの前記孔部から突出可能である、請求項1に記載の防水機能付きスプリングコネクタ。
- 前記導電性チューブの側面と前記ハウジングの前記孔部の内面とにそれぞれ凸部が設けられ、当該凸部同士の係合により、前記導電性チューブの先端の突出量の最大値が規制される、請求項2に記載の防水機能付きスプリングコネクタ。
- 前記導電性チューブの前記凸部は基端側に向けてテーパー状に小径化されたテーパー部を有し、前記導電性チューブを基端側から前記ハウジングの前記孔部に挿入可能である請求項3に記載の防水機能付きスプリングコネクタ。
- 前記ハウジングの前記孔部は、前記導電性チューブの基端側から順に小径孔部と大径孔部とが連なったものであり、
前記導電性チューブは、前記小径孔部内に位置する又は延在する小径部と、前記大径孔部内に位置する又は延在する大径部とを有し、
前記導電性ピンの先端が前記孔部から非突出状態になるまで押し込まれたときに、前記導電性チューブの前記大径部の一部が前記大径孔部内に留まる、請求項2から4のいずれか一項に記載の防水機能付きスプリングコネクタ。 - 前記導電性チューブの先端を露出させる孔部を有し、前記導電性チューブの先端側から前記ハウジングに被せられたカバーを備え、前記導電性チューブの先端が対象物に接触していない状態で前記導電性チューブの先端が前記カバーの前記孔部から突出可能であり、
前記ハウジングと前記カバーとで前記弾性部材を前記導電性チューブの軸方向の両側から挟み込んで押圧している、請求項2から5のいずれか一項に記載の防水機能付きスプリングコネクタ。 - 前記導電性チューブは、側面を一周する凹溝を有し、前記凹溝に前記弾性部材が嵌り込んで弾接している、請求項1から6のいずれか一項に記載の防水機能付きスプリングコネクタ。
- 前記弾性部材が前記凹溝の全周において前記凹溝の底面及び両側面と弾接する請求項7に記載の防水機能付きスプリングコネクタ。
- 前記弾性部材の前記孔部の外側を囲む非弾性リングが前記弾性部材に一体に設けられ又は嵌め込まれている請求項1から6のいずれか一項に記載の防水機能付きスプリングコネクタ。
- 前記導電性チューブは基端がかしめ部となっていて、前記導電性ピンは基端側に前記かしめ部の内径よりも径の大きい大径部を有し、前記導電性ピンの前記大径部と前記かしめ部との係合により前記導電性チューブからの前記導電性ピンの抜けが防止される、請求項1から9のいずれか一項に記載のスプリングコネクタ。
- 前記導電性ピンの先端が押されて前記スプリングが収縮したときに前記導電性ピンの基端側の側面が前記導電性チューブの内面に押し付けられる請求項1から10のいずれか一項に記載のスプリングコネクタ。
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