CN205136898U - Detachable plug -in connector - Google Patents
Detachable plug -in connector Download PDFInfo
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- CN205136898U CN205136898U CN201520991177.2U CN201520991177U CN205136898U CN 205136898 U CN205136898 U CN 205136898U CN 201520991177 U CN201520991177 U CN 201520991177U CN 205136898 U CN205136898 U CN 205136898U
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- connector
- inserting tube
- receiving terminal
- locking device
- self
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Abstract
The utility model relates to a connector field, especially a detachable plug -in connector. The utility model provides a detachable plug -in connector, insert tube including having locking cooperation portion is used for holding the receiving terminal of insert tube is used for the restriction the auto -lock ware that the insert tube removed, the auto -lock ware holds in the receiving terminal, the auto -lock ware includes that two have spacing prominent spacing arm, fixed connection the elastic bending portion of two spacing arms is fixed between spacing arm spacing protruding and the elastic bending portion or the removal portion at elastic bending portion both ends, the receiving terminal is equipped with and is used for the cooperation the guide portion that removal portion removed. The utility model discloses an among the detachable plug -in connector, because the auto -lock ware includes elastic bending portion and two spacing arms, auto -lock ware simple structure simple installation.
Description
Technical field
The utility model relates to field of connectors, particularly a kind of dismountable plug-in connector.
Background technique
Patent publication No is that the document of CN1916474A discloses a kind of releasable inserted sleeve (dismountable plug-in connector), for inserting the tubular insert that has peripheral rib.This inserted sleeve comprises cylindrical insertion chamber enclosure and the locking ring be independently made up of hard/elastomeric plastics (self-locking device) that is held tubular inserting member.The lock rib direction of ring is inside, and in circular arc, when being pushed in joint by inserting member, radiused edges is open, and when being pushed by inserting member afterwards and pin the parts in joint, radiused edges is rebounded, and is engaged to together after rib.The last portion of lock seamed edge edge is interconnected by the bullet domestic animal arm of a pair V-shape, can touch elastic arm, thus push it to unlocked position, to be extracted from joint by inserting member from the outside of joint shell.
One is provided to be fitted with quick connector dust-proof cover and the quick connector (dismountable plug-in connector) that dust-proof cover just can not lock stopper (self-locking device) as long as the document that Patent publication No is CN1751202A discloses one.The dust-proof cover main body of cylindrical shape is provided with O shape ring protection portion integratedly and with a part for stopper (self-locking device), the interference portion that disturbs occurs; by in the housing of dust-proof cover main body plug-in mounting Chi quick connector time; O shape ring fitted in O shape ring protection portion, and on the position of disturbing portion to be limited in by stopper (self-locking device) can not to lock.
The self-locking device complex structure of existing dismountable plug-in connector causes installation very inconvenient.
Model utility content
The utility model object is dismountable plug-in connector, the simple simple installation of self-locking device structure.
For reaching above-mentioned advantage, the utility model provides a kind of dismountable plug-in connector, comprise the Inserting Tube with lock fit portion, for holding the receiving terminal of described Inserting Tube, for limiting the self-locking device of described Inserting Tube movement, described self-locking device is contained in described receiving terminal, described self-locking device comprises the position limit arm that two have restriction protrusion, be fixedly connected with the elastic bend part of described two position limit arms, be fixed between the restriction protrusion of described position limit arm and elastic bend part or the moving part at elastic bend part two ends, described receiving terminal is provided with the guide portion for coordinating described moving part movement.
In an embodiment of dismountable plug-in connector of the present utility model, the track limiting unit of motion track when described elastic bend part is fixed with for limiting described elastic bend part pressurized, described receiving terminal is provided with the track auxiliary section for coordinating described track limiting unit.
In an embodiment of dismountable plug-in connector of the present utility model, the side of described track restriction site close described Inserting Tube in the middle part of described elastic bend part.
In an embodiment of dismountable plug-in connector of the present utility model, described track limiting unit is groove.
In an embodiment of dismountable plug-in connector of the present utility model, when described self-locking device is contained in described receiving terminal, between described self-locking device and described receiving terminal, there is frictional force.
In an embodiment of dismountable plug-in connector of the present utility model, between described position limit arm and described receiving terminal, the direction of described Inserting Tube axis has space dorsad.
In an embodiment of dismountable plug-in connector of the present utility model, described restriction protrusion is fixed on the side towards position limit arm described in another of described position limit arm.
In an embodiment of dismountable plug-in connector of the present utility model, the side towards described Inserting Tube of described restriction protrusion is the curved surface for guiding described Inserting Tube to insert, and the side of the described dorsad Inserting Tube of described restriction protrusion is the plane perpendicular to Inserting Tube axis.
In an embodiment of dismountable plug-in connector of the present utility model, the side that described self-locking device contacts with described receiving terminal is fixed with Anti-fall projection, described receiving terminal offers the Anti-fall auxiliary section for holding described Anti-fall portion, the space of described Anti-fall auxiliary section is greater than described Anti-fall projection, and described Anti-fall auxiliary section is hole or groove.
In an embodiment of dismountable plug-in connector of the present utility model, described Inserting Tube and or described receiving terminal and or described self-locking device be made up of glass fibre modification of nylon.
In dismountable plug-in connector of the present utility model, because self-locking device comprises elastic bend part and two position limit arms, the simple simple installation of self-locking device structure.
Accompanying drawing explanation
Figure 1 shows that the structural drawing of the disassembly status of dismountable plug-in connector of the utility model first embodiment;
Figure 2 shows that half cut-away illustration of the coupled condition of dismountable plug-in connector of Fig. 1;
Figure 3 shows that the structural drawing of the Inserting Tube of Fig. 1;
Figure 4 shows that the structural drawing of the receiving terminal of Fig. 1;
Figure 5 shows that the three-dimensional structure diagram of the receiving terminal of Fig. 4;
Figure 6 shows that the structural drawing of the outer back-up ring of Fig. 1;
Figure 7 shows that the three-dimensional structure diagram of the self-locking device of Fig. 1;
Figure 8 shows that the three-dimensional structure diagram of the other direction of the self-locking device of Fig. 7;
Figure 9 shows that the cut-away illustration of the coupled condition of dismountable plug-in connector of Fig. 1;
Figure 10 shows that the schematic diagram of the self-locking device installment state of Fig. 1;
Figure 11 shows that the cut-away illustration of the coupled condition of dismountable plug-in connector of the utility model second embodiment;
Figure 12 shows that the three-dimensional structure diagram of the self-locking device of dismountable plug-in connector of the utility model the 3rd embodiment;
Figure 13 shows that the schematic diagram of the outer wall of dismountable plug-in connector of the utility model the 3rd embodiment;
Figure 14 shows that the three-dimensional structure diagram of the receiving terminal of the utility model the 4th embodiment;
Figure 15 shows that the worm's eye view of the receiving terminal of Figure 14.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined model utility object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes embodiment, structure, feature and effect thereof, be described in detail as follows.
Figure 1 shows that the structural drawing of the disassembly status of dismountable plug-in connector of the utility model first embodiment, refer to Fig. 1, dismountable plug-in connector 10 of the present embodiment, Inserting Tube 11, receiving terminal 13, self-locking device 19, interior O ring 171, isolating ring 173, outer O ring 175, outer back-up ring 177.Figure 2 shows that half cut-away illustration of the coupled condition of dismountable plug-in connector of Fig. 1, please also refer to Fig. 2, during the coupled condition of dismountable plug-in connector, Inserting Tube 11 inserts in receiving terminal 13, self-locking device 19 is positioned at receiving terminal 13, interior O ring 171, isolating ring 173, outer O ring 175, in the gap of outer back-up ring 177 between Inserting Tube 11 and receiving terminal 13.
Figure 3 shows that the structural drawing of the Inserting Tube of Fig. 1; Please also refer to Fig. 3, Inserting Tube 11 is the pipe of hollow.Inserting Tube 11 is fixed with lock fit portion 11h, inserts guide portion 113, seal convexity 115.Lock fit portion 11h is fixed on the middle part of Inserting Tube 11, and insert guide portion 113 and be fixed on towards the end of receiving terminal 13, seal convexity 115 is fixed near the end of receiving terminal dorsad 13 of Inserting Tube 11.
Lock fit portion 11h is used for coordinating with self-locking device 19 locking Inserting Tube 11, skids off in receiving terminal 13 to prevent Inserting Tube 11.Lock fit portion 11h is circular protrusion, and its cross section can be rectangular, square, semicircle etc.In other embodiments of the present utility model, lock fit portion 11h can be fixed on lock fit portion 11h raised or sunken.
Insert guide portion 113 for being diminished gradually by the external diameter of Inserting Tube 11.Insert guide portion 113 can be convenient the Inserting Tube 11 that allows insert receiving terminal 13.Insert the end towards receiving terminal 13 that guide portion 113 is fixed on Inserting Tube 11.The cross section of inserting guide portion 113 is the annulus of sector crosssection, and the internal diameter inserting guide portion 113 is identical with the internal diameter of Inserting Tube 11.The outer surface inserting the cross section of Inserting Tube dorsad 11 axis of guide portion 113 can be straight line or sag vertical curve.The internal diameter inserting guide portion 113 can be not equal to the internal diameter of Inserting Tube 11.
The pressure between Inserting Tube 11 and flexible pipe is increased, to realize the sealing between Inserting Tube 11 and flexible pipe when seal convexity 115 is for making Inserting Tube 11 be connected with flexible pipe (not shown).Seal convexity 115 is ring structure, inserts for the ease of flexible pipe, and the diameter towards flexible pipe of seal convexity 115 is less than the diameter of seal convexity 115 flexible pipe dorsad.The quantity of seal convexity 115 can be multiple.
Figure 4 shows that the structural drawing of the receiving terminal of Fig. 1, Figure 5 shows that the three-dimensional structure diagram of the receiving terminal of Fig. 4; Please also refer to Fig. 1,2,4,5.Receiving terminal 13 is divided into hose transition 30, Inserting Tube accommodating part 31, seals accommodating part 39, portion 37 is received in self-locking.Hose transition 30, Inserting Tube accommodating part 31, sealing accommodating part 37, self-locking accommodating part 39 arrange from Inserting Tube 11 dorsad to the direction of Inserting Tube 11 and are fixedly connected with.The structure that hose transition 30, Inserting Tube accommodating part 31, sealing accommodating part 37, self-locking accommodating part 39 are one of the forming and its inside are interconnected.
Hose transition 30 is pipe assembling structure, the external stability of hose transition 30 has seal convexity 135, the pressure between receiving terminal 13 and flexible pipe is increased, to realize the sealing between receiving terminal 13 and flexible pipe when seal convexity 135 is for making hose transition 30 be connected with flexible pipe.Seal convexity 135 is ring structure, inserts for the ease of flexible pipe, and the diameter towards flexible pipe of seal convexity 115 is less than the diameter of seal convexity 135 flexible pipe dorsad.The quantity of seal convexity 135 can be multiple.
Inserting Tube accommodating part 31 is for the Inserting Tube of receiver portion.Its inwall is cylindrical cross-section, and the internal diameter of Inserting Tube accommodating part 31 is more than or equal to the external diameter of the part corresponding with Inserting Tube accommodating part 31 of Inserting Tube 11.
Sealing accommodating part 37 for the Inserting Tube 11 of receiver portion and interior O ring 171, isolating ring 173, outer O ring 175, outer back-up ring 177.The inwall of sealing accommodating part 37 is smooth barrel surface.Smooth barrel surface can movable better sealing effect.The diameter in the cross section of the inwall of sealing accommodating part 37 is greater than the diameter of Inserting Tube accommodating part 31 inwall.The end towards Inserting Tube 11 of sealing accommodating part 37, namely seal the position corresponding with outer back-up ring 177, accommodating part 37 and offer outer back-up ring auxiliary section 137e, outer back-up ring auxiliary section 137e comprises for preventing outer back-up ring 177 to the outer back-up ring cooperating recesses 71e of Inserting Tube 11 direction movement and the outer back-up ring prevent surface 73e preventing the Inserting Tube 11 direction movement dorsad of outer back-up ring 177.
Self-locking accommodating part 39 comprises outer wall 391, inwall 393, pressing position-limited lever 395, position limit arm release lever 397, joint 399.Outer wall 391 and inwall 393 are perpendicular to the axis of Inserting Tube 11.Pressing position-limited lever 395, position limit arm release lever 397, joint 399 to be fixed between outer wall 391 and inwall 393 and to be parallel to the axis of Inserting Tube 11.Space in lock accommodating part 39 can be made full use of the insertion simultaneously not disturbing Inserting Tube 11 like this.
Outer wall 391 and inwall 393 are platy structure, and outer wall 391 and inwall 393 are perpendicular to the axis of Inserting Tube 11.Outer wall 391, inwall 393 offer for the through hole through Inserting Tube 11.
Outer wall 391 offers Anti-fall auxiliary section 139c, Anti-fall auxiliary section 139c is through hole.Certain Anti-fall auxiliary section 139c can be opened on inwall 393.Anti-fall auxiliary section 139c skids off for guiding the installation of self-locking device 19 to locate and prevent self-locking device 19 from dropping.Outer wall 391 is fixed with track auxiliary section 139b towards the side of inwall 393, and track auxiliary section 139 is the rod member that Inserting Tube 11 radial direction is arranged, and track auxiliary section 139 is for guiding the installation location of self-locking device 19 and controlling the deformation locus of self-locking device 19.In other embodiments of the present utility model, Anti-fall auxiliary section 139c is blind hole, and this blind hole is towards inwall 393, and track auxiliary section 139 can be fixed on position-limited lever 395 He | or inwall 393.This it should be noted that Anti-fall auxiliary section 139c be processed into through hole relative to be processed into blind hole or projection more easy.
The side that the close self-locking device 19 that pressing position-limited lever 395 is positioned at outer wall 391 and inwall 393 inserts, pressing position-limited lever 395 is for controlling the deformation band of self-locking device 19.Pressing position-limited lever 395 can not be set in other embodiments of the present utility model.
Position limit arm release lever 397 is fixed on the middle part of joint 399, and position limit arm release lever 397 is for ensureing the mounting point of self-locking device 19.In other embodiments of the present utility model, position limit arm release lever 397 can not be set.
Joint 399 is U-shaped platy structure, joint 399 and the socket formed between outer wall 391 and inwall 393 for inserting self-locking device 19.Joint 399 near being guide portion (139a) for guiding self-locking device 19 motion track for inserting two end faces of the socket of self-locking device 19.Joint 399 can form by several sections, can have space between every section of joint 399.
Refer to Fig. 1, interior O ring 171 is ring, and its cross section is circular.When Inserting Tube 11 inserts receiving terminal 13, interior O ring 171 is between Inserting Tube 11 and receiving terminal 13, and namely, O ring set is contained in outside Inserting Tube 11.The round diameter in interior O ring 171 cross section is greater than the gap between Inserting Tube 11 and receiving terminal 13.Interior O ring 171 adopts fluorine rubber (FKM) to make.Fluorine rubber has oil resistant, the chemical resistance that other rubber does not have, good physical and mechanical properties and weatherability, electrical insulating property and radioresistance etc.
Isolating ring 173 is ring, and its cross section is rectangular.In isolating ring 173 between O ring 171 and outer O ring 175.Isolating ring 173 adopts glass fibre modification of nylon to make.Isolating ring 173 for ensureing the distance of interior O ring 171 and outer O ring 175, to ensure sealing effect.When Inserting Tube 11 inserts receiving terminal 13, isolating ring 173 is between Inserting Tube 11 and receiving terminal 13, and namely isolating ring 173 is sleeved on outside Inserting Tube 11.The cross section of isolating ring 173 can also be circular, square or other shapes.
Outer O ring 175 is ring, and its cross section is circular.When Inserting Tube 11 inserts receiving terminal 13, interior O ring 171 is between Inserting Tube 11 and receiving terminal 13, and namely outer O ring 175 is sleeved on outside Inserting Tube 11.The round diameter in outer O ring 175 cross section is greater than the gap between Inserting Tube 11 and receiving terminal 13.Outer O ring adopts fluorosioloxane rubber to make (FVMQ) except the characteristic with ordinary rubber, also has the performances such as the excellent fuel oil of resistance to aviation, hydraulic oil, machine oil, chemical reagent and solvent.Can long-term work at-55 ~+200 DEG C.
Figure 6 shows that the structural drawing of the outer back-up ring of Fig. 1, please also refer to Fig. 7, outer back-up ring 177 is for preventing interior O ring 171, isolating ring 173, and outer O ring 175 loosens.Outer back-up ring 177 comprises outer retainer ring spacing portion 177e and outer back-up ring main body 177g.Outer back-up ring main body 177g cross section is rectangular annulus.Outer retainer ring spacing portion 177e is fixed on the side in outer back-up ring main body 177g its center of circle dorsad.Outer back-up ring main body 177g offers rotation section 177f.
Outer retainer ring spacing portion 177e is for having certain flexible circular arc platy structure, and the side of its outer back-up ring main body 177g is dorsad free end.
Outer back-up ring 177 adopts glass fibre modification of nylon to make.When Inserting Tube 11 inserts receiving terminal 13, outer back-up ring 177 is between Inserting Tube 11 and receiving terminal 13, and namely outer back-up ring 177 is sleeved on outside Inserting Tube 11.The cross section of outer back-up ring 177 can also be circular, square or other shapes.
The outer back-up ring auxiliary section 137e of receiving terminal 13 coordinates outer retainer ring spacing portion 177e to realize spacing.The side opening towards Inserting Tube 11 of outer back-up ring 177 controls the position of outer retainer ring spacing portion 177e when being provided with outer back-up ring rotation section 177f, rotation section 177f for installing outer back-up ring 177.Outer back-up ring 177 can be rotated very easily until it is in place owing to being provided with rotation section 177f.Rotation section 177f is the groove of through outer back-up ring main body 177 in the present embodiment, and the cross section of this groove is rectangular.In other embodiments of the present utility model, rotation section 177f can also be through or not through hole, projection etc.
Figure 7 shows that the three-dimensional structure diagram of the self-locking device of Fig. 1; Figure 8 shows that the three-dimensional structure diagram of the other direction of the self-locking device of Fig. 7 refers to Fig. 7, Fig. 8.Self-locking device 19 is contained in self-locking accommodating part 39 and dismantles Inserting Tube 11 for controlling, and namely moves for limiting Inserting Tube.Self-locking device 19 comprises two position limit arms 191, elastic bend part 193, moving part 195a, the protruding 197c of Anti-fall.Two position limit arms 191 are fixed near the end of elastic bend part 193, and moving part 195a is fixed on the end of elastic bend part 193.The protruding 197c of Anti-fall is fixed near the position that elastic bend part 193 is connected with moving part 195a, position limit arm 191.
Position limit arm 191 is rod-like structure, in order to better utilize the space position limit arm of self-locking accommodating part 39 for arc or the fold-line-shaped rod member close to arc.The quantity of position limit arm 191 is two, and the side towards another position limit arm 191 of position limit arm 191 is fixed with restriction protrusion 191h.The one side towards Inserting Tube 11 of restriction protrusion 191h is curved surface, and what Inserting Tube 11 can be made like this to be more prone to just inserts receiving terminal 13.The side of the side of the Inserting Tube dorsad 11 of restriction protrusion 191h is the plane perpendicular to Inserting Tube 11 axis.The side towards another restriction protrusion 191h of restriction protrusion 191h is cambered surface, the diameter of this cambered surface close to or equal the external diameter of Inserting Tube 11 appropriate section.Better can limit the movement of Inserting Tube 11 like this.Between position limit arm 191 and receiving terminal 13, the direction of Inserting Tube 11 axis has space dorsad, namely has space between position limit arm 191 and connecting wall 399.
Elastic bend part 193 is its cross section of arc platy structure is rectangular, and elastic bend part 193 has certain elasticity, and namely elastic bend part 193 has stress deformation, removes the performance that stress relies on the stressed front state of spring return of himself.Elastic bend part 193 is convex curve relative to Inserting Tube 11 axis.Elastic bend part 193 offers track limiting unit 193b near the side of Inserting Tube 11, and track limiting unit 193b is through groove.Come off to prevent self-locking device 19 or loosen, the width of elastic bend part 193 or position limit arm 191 or moving part 195 equals or slightly larger than inwall 393 clear distance with outer wall 391.Elastic bend part 193 like this between inwall 393 and outer wall 391 or position limit arm 191 or moving part 195 are just and form certain frictional force between inwall 393 and outer wall 391.
Be square, circular, triangle, rhombus, polygonal, abnormity etc. in the cross section of other embodiment's Elastic curved parts 193 of the present utility model, the sectional shape of elastic bend part 193 can change., in other embodiments of the present utility model, track limiting unit 193b is blind hole or not through groove, and the position of track limiting unit 193b can in the side of the middle part of elastic bend part 193 or Inserting Tube 11 dorsad.Track limiting unit 193b can also be protruding, and this projection is when the middle part of elastic bend part 193 certainly, and track limiting unit 193b is towards the projection of Inserting Tube 11 axial direction.
Moving part 195 is the projection of sector crosssection, and moving part 195 is fixed on the end of elastic bend part 193, and the outer surface towards Inserting Tube 11 of moving part 195 is plane.When moving part 195 is for giving pressurized in the middle part of elastic bend part 193, the support of counter-force is provided to elastic bend part 193 two ends, is out of shape to realize elastic bend part 193, the process namely flattened.
In other embodiments of the present utility model the protruding 197c of Anti-fall be fixed on elastic bend part 193 and or position limit arm 191 and or moving part 195a on.The protruding 197c of Anti-fall is used for and Anti-fall auxiliary section 139c coordinates the object realizing preventing self-locking device 19 from dropping.The space of Anti-fall auxiliary section 139c is greater than the protruding 197c of Anti-fall, and namely when self-locking device 19 produces distortion, Anti-fall auxiliary section 139c can not affect the movement of the protruding 197c of Anti-fall thus not disturb the distortion of self-locking device 19.Moving part 195 towards Inserting Tube 11 can be curved surface.
Figure 9 shows that the cut-away illustration of the coupled condition of dismountable plug-in connector of Fig. 1, when referring to the coupled condition of dismountable plug-in connector of Fig. 1 the present embodiment, to insert receiving terminal 13 inner for Inserting Tube 11; Interior O ring 171, isolating ring 173, outer O ring 175, outer back-up ring 177 arranges to the direction of Inserting Tube 11 from Inserting Tube 11 dorsad successively.It should be noted that due to interior O ring 171, the diameter of outer O ring 175 is greater than the gap of receiving terminal 13 and the Inserting Tube 11 of relevant position, O ring 171 now, forms certain pressure between outer O ring 175 and smooth Inserting Tube 11 outer surface, receiving terminal 13 internal surface.Result in formation of extraordinary sealing effect.The outer retainer ring spacing portion 177e of outer back-up ring 177 coordinates the position realizing outer back-up ring 177 to fix with outer back-up ring auxiliary section 137e.Lock fit portion 11h coordinates the position realizing Inserting Tube to fix with restriction protrusion 191h.
When self-locking device 19 inserts receiving terminal 13, first position limit arm 191 inserts the socket formed between connecting wall 399 and inwall 393, outer wall 391; The protruding 197c of the Anti-fall of deformability is had to contact with outer wall 391; Track limiting unit 193b contacts with track auxiliary section 193b and makes self-locking device position accurate; Two position limit arms 191 arrive the both sides of position limit arm release lever 397 respectively, and the protruding 197c of Anti-fall snaps in Anti-fall auxiliary section 139c, i.e. installation.Certainly self-locking device 19 can be finally installed in installation process.
Inserting guide portion 113 when Inserting Tube 11 inserts makes Inserting Tube 11 be very easy to just enter receiving terminal 13.Restriction protrusion 191h is the curved surface with guiding function towards the face of lock fit portion 11h, and therefore restriction protrusion 191h can comparatively be easy to realize spacing by lock fit portion 11h.In order to realizing of being more prone to is spacing, be arranged to inclined-plane or curved surface in the face towards restriction protrusion 191h of lock fit portion 11h, namely the diameter of lock fit portion 11h reduces towards the direction of restriction protrusion 191h.
Figure 10 shows that the schematic diagram of the self-locking device installment state of Fig. 1, refer to Figure 10, when along F direction pressing elastic bend part 193, moving part 195 and connecting wall 399 provide the counter-force of distortion; Elastic bend part 193 is pressed desired trajectory and is out of shape under the cooperation of track limiting unit 193b with track auxiliary section 193b, at this moment moving part 195 dorsad elastic bend part 193 move; Elastic bend part 193 flattens gradually, and namely the spacing of two position limit arms 191 increases gradually along with elastic bend part 193 flattens gradually, until elastic bend part 193 contacts with insertion position-limited lever 395.At this moment two position limit arms 191 fully open, and namely can extract Inserting Tube 11.Insert the amount of deformation that position-limited lever 395 can control elastic bend part 193, produce excessive deformation to prevent elastic bend part 193, cause elastic bend part 193 to rupture or produce expendable distortion.So in fact namely ensure that the working life of elastic bend part 193, what can be more prone in use just feels the need of continuation pressing elastic bend part 193.
Figure 11 shows that the cut-away illustration of the coupled condition of dismountable plug-in connector of the utility model second embodiment; Refer to Figure 11, the difference of dismountable plug-in connector of the utility model second embodiment and dismountable plug-in connector of the first embodiment is:
Lock fit portion 11h is groove, and when installment state, restriction protrusion 191h insertion lock fit portion 11h realizes spacing, can finally install self-locking device 19 in installation process.
Other parts of second embodiment of the present utility model are similar with principle to dismountable plug-in connector structure of the first embodiment, do not repeat to repeat at this.
Figure 12 shows that the three-dimensional structure diagram of the self-locking device of dismountable plug-in connector of the utility model the 3rd embodiment; Figure 13 shows that the schematic diagram of the outer wall of dismountable plug-in connector of the utility model the 3rd embodiment.Refer to Figure 12,13, the difference of dismountable plug-in connector of the utility model the 3rd embodiment and dismountable plug-in connector of the first embodiment is:
Moving part 195a is fixed on position limit arm 191, moving part 195a is the rod member being parallel to Inserting Tube 11, moving part 195a lays respectively at the both sides of two position limit arms 191, and namely moving part 195a is separately fixed at the side towards outer wall 391 and inwall 393 of two position limit arms 191.
Outer wall 391 and inwall 393(figure do not show) the position corresponding to moving part 195a be provided with guide portion 139a.
Other parts of 3rd embodiment of the present utility model are similar with principle to dismountable plug-in connector structure of the first embodiment, do not repeat to repeat at this.
Figure 14 shows that the three-dimensional structure diagram of the receiving terminal of the utility model the 4th embodiment; Figure 15 shows that the worm's eye view of the receiving terminal of Figure 14, refer to Figure 14, Figure 15.The difference of dismountable plug-in connector of the utility model the 4th embodiment and dismountable plug-in connector of the first embodiment is:
Guide portion 139a be fixed on connecting wall 399 towards elastic bend part 193 end while, the thickness of Inserting Tube 11 radial direction of guide portion 139a is greater than connecting wall 399.The lifting surface area of such increase guide portion, increases the working life of dismountable plug-in connector.
Outer wall 391 offers the protruding mounting groove 1391c of Anti-fall in the side of Inserting Tube 11 dorsad, the protruding 197c phase of Anti-fall strains large or elongated.The protruding mounting groove 1391c of Anti-fall extends to outer wall 391 near elastic bend part 193 edge from Anti-fall auxiliary section 139c.The protruding mounting groove 1391c of Anti-fall, for guiding the protruding 197c of Anti-fall in installation process, falls in the 139c of Anti-fall auxiliary section accurately.The width of pressing position-limited lever 395 is equal to or slightly less than the clear distance between position limit arm 191.
Self-locking device 19 is in installation process, and the protruding 197c of Anti-fall can only move in the protruding mounting groove 1391c of Anti-fall.Because the installation track of the protruding 197c of the Anti-fall of two in the middle part of self-locking device 19 is determined, even if do not arrange track limiting unit 193b and track auxiliary section 139b, the accurate installation of self-locking device 19 also can be realized.
Other parts of 4th embodiment of the present utility model are similar with principle to dismountable plug-in connector structure of the first embodiment, do not repeat to repeat at this.
In other embodiments of the present utility model, Inserting Tube 11 or receiving terminal 13 can not arrange seal convexity.Inserting Tube 11 or receiving terminal 13 can also directly pass through to weld with tubing, and other modes such as cementing, heat is melted, be threaded connect, and certain Inserting Tube 11 or receiving terminal 13 can be one-body molded with other tubing.
Inserting Tube 11 in the present embodiment, receiving terminal 13, self-locking device 19, isolating ring 173, outer back-up ring 177 fibreglass modification of nylon is made, in other embodiments of the present utility model Inserting Tube 11 and or receiving terminal 13 and or self-locking device 19 and or isolating ring 173 and or outer back-up ring 177 can be made up as wooden, other kinds plastics, glass, metal etc. of other materials.
Be 2% weight percentage ~ 50% weight percentage at the content of this glass fibre that it should be noted that in self-locking device 19 glass fibre modification of nylon of the present utility model.When the content of the glass fibre of self-locking device 19 is 30% weight percentage, its combination property is best.Along with the heat-resisting ability of the increase self-locking device 19 of the content of the glass fibre of self-locking device 19 uprises, both the softening point of self-locking device 19 uprised.
To sum up, dismountable plug-in connector of the present utility model at least has following advantage:
In dismountable plug-in connector of the present utility model, because self-locking device comprises elastic bend part and two position limit arms, the simple simple installation of self-locking device structure.
In an embodiment of dismountable plug-in connector of the present utility model, be provided with the insertion position-limited lever of the amount of deformation that can control elastic bend part, produce excessive deformation to prevent elastic bend part, cause elastic bend part rupture or produce expendable distortion.So in fact namely ensure that the working life of elastic bend part, what can be more prone in use just feels the need of continuation pressing elastic bend part.
In an embodiment of dismountable plug-in connector of the present utility model, due to interior O ring, the diameter of outer O ring is greater than the gap of the Inserting Tube of receiving terminal and relevant position, O ring now, forms certain pressure between outer O ring and smooth Inserting Tube outer surface, receiving terminal internal surface.Result in formation of extraordinary sealing effect.
In an embodiment of dismountable plug-in connector of the present utility model, outer back-up ring can be rotated very easily until it is in place owing to being provided with rotation section.
In an embodiment of dismountable plug-in connector of the present utility model, the width of elastic bend part or position limit arm or moving part equals or slightly larger than the clear distance of inwall and outer wall.Elastic bend part like this between inwall and outer wall or position limit arm or moving part just and form certain frictional force between inwall and outer wall, prevent self-locking device from coming off or loosen.
Above, it is only preferred embodiment of the present utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a dismountable plug-in connector (10), comprise the Inserting Tube (11) with lock fit portion (11h), for holding the receiving terminal (13) of described Inserting Tube (11), for limiting the self-locking device (19) of described Inserting Tube (11) movement, described self-locking device (19) is contained in described receiving terminal (13), it is characterized in that: described self-locking device (19) comprises the position limit arm (191) that two have restriction protrusion (191h); Be fixedly connected with the elastic bend part (193) of described two position limit arms (191); Described receiving terminal (13) is provided with the guide portion (139a) for coordinating described moving part (195a) movement, described self-locking device (19) also comprises two moving parts (195a), and described moving part (195a) is separately fixed between the restriction protrusion (191h) of described position limit arm (191) and elastic bend part (193) or is separately fixed at elastic bend part (193) two ends.
2. dismountable plug-in connector (10) according to claim 1, it is characterized in that: the track limiting unit (193b) of motion track when described elastic bend part (193) is fixed with for limiting described elastic bend part (193) pressurized, described receiving terminal (13) is provided with the track auxiliary section (139b) for coordinating described track limiting unit (193b).
3. dismountable plug-in connector (10) according to claim 2, is characterized in that: described track limiting unit (193b) is positioned at described elastic bend part (193) middle part near the side of described Inserting Tube (11).
4. dismountable plug-in connector (10) according to claim 2, is characterized in that: described track limiting unit (193b) is groove.
5. dismountable plug-in connector (10) according to claim 1, is characterized in that: described self-locking device (19) be contained in described receiving terminal (13) interior time described self-locking device (19) and described receiving terminal (13) between there is frictional force.
6. dismountable plug-in connector (10) according to claim 1, is characterized in that: described position limit arm (191) has space between the outer surface of described Inserting Tube (11) axis and described receiving terminal (13) dorsad.
7. dismountable plug-in connector (10) according to claim 1, is characterized in that: described restriction protrusion (191h) is fixed on the side towards position limit arm described in another (191) of described position limit arm (191).
8. dismountable plug-in connector (10) according to claim 1, it is characterized in that: the side towards described Inserting Tube (11) of described restriction protrusion (191h) is the curved surface for guiding described Inserting Tube (11) to insert, the side of the described dorsad Inserting Tube (11) of described restriction protrusion (191h) is the plane perpendicular to Inserting Tube (11) axis.
9. dismountable plug-in connector (10) according to claim 1, it is characterized in that: the side that described self-locking device (19) contacts with described receiving terminal (13) is fixed with Anti-fall projection (197c), described receiving terminal (13) offers the Anti-fall auxiliary section (139c) for holding described Anti-fall projection (197c), the space of described Anti-fall auxiliary section (139c) is greater than described Anti-fall projection (197c), and described Anti-fall auxiliary section (139c) is hole or groove.
10. dismountable plug-in connector (10) according to claim 1, is characterized in that: described Inserting Tube (11) and or described receiving terminal (13) and or described self-locking device (19) be made up of glass fibre modification of nylon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991177.2U CN205136898U (en) | 2015-09-06 | 2015-12-03 | Detachable plug -in connector |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015206802010 | 2015-09-06 | ||
| CN201520680201 | 2015-09-06 | ||
| CN201520991177.2U CN205136898U (en) | 2015-09-06 | 2015-12-03 | Detachable plug -in connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205136898U true CN205136898U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520991177.2U Active CN205136898U (en) | 2015-09-06 | 2015-12-03 | Detachable plug -in connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205136898U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546251A (en) * | 2015-09-06 | 2016-05-04 | 临海市永恒汽配科技有限公司 | Detachable plug-in connector |
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2015
- 2015-12-03 CN CN201520991177.2U patent/CN205136898U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105546251A (en) * | 2015-09-06 | 2016-05-04 | 临海市永恒汽配科技有限公司 | Detachable plug-in connector |
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