JP5957324B2 - connector - Google Patents

Description

  The present invention relates to a connector for positioning and locking a terminal inserted into a terminal accommodating chamber of a connector housing with a lance.

  A connector that holds and fixes a terminal by providing a flexible lance in a terminal housing chamber inside the connector housing and engaging a beak (locking projection) of the lance with a locking hole of the terminal. It is well known (see, for example, Patent Document 1).

FIG. 9 shows an example of this type of conventional connector.
The connector 101 includes a connector housing 110, a terminal 150 that is attached to the tip of the electric wire W and accommodated and held in the connector housing 110, a front holder 170 that is mounted from the front inside the connector housing 110, and the connector housing 110. And a lever 180 that can be completely fitted with a small force by utilizing the lever principle, and a waterproof plug 160 and a packing 165. .

  The connector housing 110 is provided with an outer housing part 111 and an inner housing part 112 inside thereof. Inside the inner housing part 112, a terminal accommodating chamber 114 into which a terminal 150 is inserted from the rear, a terminal A stopper 115 for positioning 150 in the forward direction, and when the terminal 150 is inserted into the terminal accommodating chamber 114 from behind, the terminal 150 is pushed to the outside of the insertion path of the terminal 150 (downward in FIG. 9) to be bent once. When the terminal 150 is inserted to the position where it is positioned by the stopper 115, the terminal 150 is returned from the bending, and the beak 122 is engaged with the locking hole 154 of the terminal 150, thereby positioning and locking the terminal 150 backward. And a lance 120 having flexibility.

  The front holder 170 can be pushed into the inner housing portion 112 of the connector housing 110 from the temporary locking position on the near side to the final locking position on the far side. The front holder 170 is provided with a cylindrical wall 171 that fits to the outer peripheral portion of the front end of the inner housing portion 112. As shown in FIG. When the front holder 170 is pushed from the temporary locking position to the final locking position in a state in which the locking of the lance 120 is prevented from coming off, the front holder 170 enters the bending space 128 of the lance 120 and the bending of the lance 120 is prohibited. A lance pressing portion 178 for double locking is provided.

Next, the assembly procedure and the disassembly procedure will be described.
A front holder 170, a lever 180, and a packing 165 are assembled in the connector housing 110 in advance, and the front holder 170 and the lever 180 are held at a temporary locking position. In this state, when the terminal 150 attached to the tip of the electric wire W is assembled to the connector housing 110, the terminal 150 is inserted into the terminal accommodating chamber 114 from the rear as shown in FIG.

  When the terminal 150 is inserted, as shown in FIG. 10A, the lance 120 is pushed by the terminal 150, so that the terminal 150 is once bent outwardly from the insertion path of the terminal 150 in the arrow A direction. At this stage, since the front holder 170 is in the temporary locking position, a bending space 128 of the lance 120 is secured outside the lance 120. The inserted terminal 150 stops when it hits the stopper 115 as shown in FIG. 10B, and at the same time, the lance 120 returns to its original position from the bend, and the beak 122 of the lance 120 enters the locking hole 154 of the terminal 150. Engage, thereby holding the terminal 150 in a locked state.

  Next, as shown in FIG. 11, by pushing the front holder 170 in the temporarily locked state, the front holder 170 is finally locked, and at the same time, the lance pressing portion 178 of the front holder 170 enters the bending space 128 of the lance 120. Enter and hold the lance 120 in a non-deflable state. Thereby, the terminal 150 is fixed by double locking.

  When removing the terminal 150 from this state, first, the front holder 170 is pulled back from the final locking position to the temporary locking position, so that the lance 120 can be bent. Next, as shown in FIG. 12, the front end of the unlocking jig 500 is inserted from the front of the front holder 170, and the lance 120 is forcibly bent outward by the front end of the unlocking jig 500. Then, since the beak 122 of the lance 120 is detached from the locking hole 154 of the terminal 150, the terminal 150 can be removed from the terminal accommodating chamber 114 by pulling the terminal 150 rearward in that state.

JP 2012-84404 A

  By the way, in the said conventional connector 101, when inserting the terminal 150 in the terminal storage chamber 114, since the repulsive force by bending the lance 120 generate | occur | produces as terminal insertion force, insertion workability | operativity is bad. Moreover, when removing the terminal 150, the latch release jig | tool 500 is required and there existed a problem that maintenance work took time.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a connector capable of improving workability when a terminal is attached to and removed from a connector housing.

The above object of the present invention can be achieved by the following constitution.
(1) a connector housing, a terminal attached to the tip of an electric wire and housed and held inside the connector housing, and a temporary locking position mounted on the inside of the connector housing from the front side with respect to the connector housing. A front holder that is movable between the rear main locking position,
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from the rear; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position ;
The lance has flexibility to restore from the disengaged position to the engaged position,
An engagement hole is provided at a free end of the lance, and the lance operating portion of the front holder is projected as an inclined hook portion that can be inserted into the engagement hole of the lance, and the inclined hook portion is When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced to the non-engaging position by pressing the hole edge on the front side of the engaging hole along with the movement. A connector having a first inclined surface .

(2) a connector housing, a terminal attached to the tip of an electric wire and housed and held inside the connector housing, and a temporary locking position mounted on the inside of the connector housing from the front side with respect to the connector housing. A front holder that is movable between the rear main locking position,
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from the rear; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position;
The lance has flexibility to restore from the non-engaged position to the engaged position, and the lance is moved from the temporary locking position to the final locking position to move the lance. Is restored to the engaged position, the lance operating portion of the front holder enters the bending space of the lance to prohibit the bending of the lance, thereby double-locking the terminal. and to Turkey connector.

(3) When the lance is restored to the engagement position by moving the front holder from the temporary locking position to the final locking position, the lance operating portion of the front holder is bent by the lance. The connector according to the above ( 1) , wherein the connector enters the inside and prohibits bending of the lance, thereby double-locking the terminal .

(4) a connector housing, a terminal attached to the tip of an electric wire and housed and held inside the connector housing, and a temporary locking position mounted on the inside of the connector housing from the front side to the connector housing. A front holder that is movable between the rear main locking position,
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from the rear; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position;
An engagement hole is provided at a free end of the lance, and the lance operating portion of the front holder is projected as an inclined hook portion that can be inserted into the engagement hole of the lance, and the inclined hook portion is When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced to the non-engaging position by pressing the hole edge on the front side of the engaging hole along with the movement. When the first inclined surface to be moved and the front holder are moved from the temporary locking position to the final locking position, the hole edge on the rear side of the engagement hole is pressed along with the movement. features and to Turkey connector that has a second inclined surface for displacing the lance to the engaged position, the.

  According to the connector configured as described in (1) above, the lance is held in the non-engagement position by moving the front holder mounted in the connector housing from the front to the temporary lock position. I can keep it. Therefore, by inserting the terminal into the terminal accommodating chamber of the connector housing in this state, it is possible to easily insert the terminal to a position where it can be stopped by the stopper without applying a load to bend the lance. When the terminal is inserted to a predetermined position, the front holder is moved to the final locking position. By doing so, the lance can be displaced to the engagement position, and the terminal can be positioned and locked backward by the lance. In addition, when removing the terminal, the lance can be displaced to the non-engagement position by moving the front holder from the final lock position to the temporary lock position. In this state, the terminal can be easily pulled out and removed. be able to. Therefore, it is not necessary to use an unlocking jig that bends the lance when removing the terminal. In this way, workability can be improved when the terminal is attached and when the terminal is removed.

  According to the connector having the configuration (2), since the front holder prevents the flexible lance from bending toward the non-engagement position, the terminal can be reliably fixed by double locking.

  According to the connector configured as described in (3) above, by moving the front holder from the final locking position to the temporary locking position, a flexible lance can be obtained by the action of the first inclined surface of the lance operating portion. It can be held in the disengaged position while being bent. In addition, by moving the front holder from the temporary locking position to the final locking position with the terminal inserted to a predetermined position, the lance can be restored to the engaged position by the restoring force of the lance. Can be positioned and locked.

  According to the connector configured as described in (4) above, the lance is moved to the non-engagement position by moving the front holder from the final lock position to the temporary lock position by the function of the first inclined surface of the lance operation portion. Can be retained. In addition, when the terminal is inserted to a predetermined position, the lance is not flexible enough to restore the engagement position by moving the front holder from the temporary engagement position to the final engagement position. However, the lance can be displaced to the engagement position by the action of the second inclined surface, and the terminal can be positioned and locked by the lance. At that time, by applying a pressing force to the lance from the front holder, the lance is held at the engagement position, so that the lance can be prevented from being displaced unnecessarily, and the terminal can be securely fixed.

  According to the present invention, it is possible to improve workability when a terminal is attached to and removed from a connector housing.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is an exploded perspective view of a connector according to an embodiment of the present invention. FIG. 2 is an external perspective view showing a state before the connector is mated with the mating connector. FIG. 3 is an explanatory view of the connector, and is a side sectional view showing a state in which a terminal attached to the tip of an electric wire is about to be inserted into a terminal accommodating chamber of the connector housing. FIG. 4A is a side sectional view showing a state in which the front holder is moved to the temporary locking position to hold the lance in the non-engaging position, and the terminal is inserted to the position where it comes into contact with the stopper in that state. (B) is a sectional side view showing a state in which the front holder is moved to the main locking position, the lance is displaced to the engaging position, and the terminal is positioned and locked by the lance beak. FIG. 5 is a perspective view showing a state of the stage of FIG. 4A in which the lance at the bottom of the terminal accommodating chamber is held in the non-engagement position by the hook portion of the front holder. FIG. 6A is a perspective view showing the configuration of the lower surface side of the terminal, FIG. 6B is a perspective view showing the engagement state when the terminal is inserted into the terminal accommodating chamber in a horizontal section, and FIG. ) Is a plan view showing the configuration of the terminal accommodating chamber side in a horizontal section. FIG. 7 is an operation explanatory view when the front holder is moved from the final locking position to the temporary locking position to displace the lance to the non-engaging position in order to remove the inserted terminal. FIG. FIG. 7B is a side sectional view showing a state before the lance is moved from the final locking position to the temporary locking position to displace the lance to the non-engaging position. FIG. It is a sectional side view which shows the state after moving to a dislocation position to a non-engagement position. FIG. 8 is a side sectional view showing a state where the terminal is pulled out from the state of FIG. FIG. 9 is an explanatory view of a conventional connector and is a side sectional view showing a state in which a terminal attached to the tip of an electric wire is about to be inserted into a terminal accommodating chamber of the connector housing. FIG. 10A is a side sectional view showing a state in the middle of inserting a terminal attached to the tip of the electric wire into the terminal accommodating chamber of the connector housing, and FIG. 10B is an electric wire in the terminal accommodating chamber of the connector housing. It is a sectional side view which shows the state which inserted the terminal attached to the front-end | tip of this. FIG. 11 is a diagram for explaining the operation when the front holder is pushed from the temporary locking position to the final locking position after inserting the terminal. FIG. 11A shows the front holder from the temporary locking position to the final locking position. FIG. 11B is a side sectional view showing a state when the front holder is pushed from the temporary locking position to the final locking position. FIG. 12 is an explanatory view of the operation when the terminal is pulled out with the front holder pulled out to the temporary locking position. FIG. 12A shows the locking release by inserting the locking release jig into the terminal accommodating chamber. FIG. 12B is a side sectional view showing a state in which the terminal is pulled out from the terminal accommodating chamber.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1-8 has shown the connector of embodiment.

  This connector 1 is a female connector fitted to a mating male connector. As shown in FIGS. 1 and 2, the connector 1 is attached to a resin connector housing 10 and the tip of an electric wire W, respectively. A required number of metal terminals 50 housed and held inside, a resin front holder 70 mounted from the front inside the connector housing 10, and a connector housing 10 are rotatably mounted, and both connectors are fitted. When mating, both connectors are brought into the initial mating state and then rotated from the temporary latching position to the final latching position, so that both connectors are completely mated with a small force using the lever principle. A lever 80, a waterproof plug 60 and a packing 65 are provided.

  The connector housing 10 is provided with an outer housing part 11 having an opening 11a on the front surface and an inner housing part 12 on the inner side thereof. Between the outer housing part 11 and the inner housing part 12, both connectors are provided. At the time of fitting, a hood portion fitting space 13 into which the hood portion of the mating connector enters is secured. The outer housing portion 11 and the inner housing portion 12 are integrally connected to each other at a position that does not interfere with components to be mounted later.

  As shown in FIG. 3, a plurality of terminal accommodating chambers 14 into which the terminals 50 are inserted from the rear are provided inside the inner housing portion 12, and terminals are provided as shown in FIGS. 6 (b) and 6 (c). A stopper 15 that positions the terminal 50 in the forward direction by abutting the front end of the terminal 50 that is inserted from the rear into the storage chamber 14, and the terminal 50 that is pushed by the terminal 50 when the terminal 50 is inserted from the rear into the terminal storage chamber 14. Once the terminal 50 is bent and deformed to the outside of the insertion path of the terminal 50 (lower side in FIG. 3), the terminal 50 is returned to the position where the terminal 50 is positioned by the stopper 15, and beaks into the locking hole 54 of the terminal 50. And a lance 20 for engaging and locking the terminal 50 rearwardly.

  That is, as shown in FIG. 4B, the lance 20 protrudes into the insertion path of the terminal 50 into the terminal accommodating chamber 14 to lock the terminal 50, and in FIG. As shown, the terminal 50 is retracted out of the insertion path to be displaceable (flexible) between the non-engagement position where the terminal 50 is disengaged, and from the non-engagement position to the engagement position. It is flexible enough to be restored. Then, when the lance 20 is inserted into the terminal accommodating chamber 14 from the rear to the position where the terminal 50 is positioned by the stopper 15, the lance 20 is displaced to the engagement position to engage with the terminal 50 and move the terminal 50 backward. The positioning is locked.

  As shown in FIG. 3 and FIG. 6 (a), the terminal 50 is a flat rectangular tube box that accepts the male tab terminal when the male tab terminal of the mating connector enters from the front, and makes contact conduction. And includes a wire caulking portion 58 for caulking and fixing to the tip of the electric wire W at the rear, and has a locking hole 54 at the center in the width direction of the wide peripheral wall constituting the box portion 51. doing. Inside the box portion 51, there are provided an insertion space 52 for receiving the male tab terminal, and a spring piece 53 for sandwiching the male tab terminal that has entered the insertion space 52 between the peripheral wall of the box portion 51.

  A rubber waterproof plug 60 that seals a gap between the peripheral wall of the terminal accommodating chamber 14 and the outer periphery of the electric wire W is provided on the outer periphery of the electric wire W whose tip is fixed to the terminal 50, and the inner housing of the connector housing 10 is provided. The outer periphery of the portion 12 is provided with a packing 65 that seals the gap between the hood portion of the mating connector and the inner housing portion 12 when both connectors are fitted. The connector 1 is configured to be waterproof by the sealing action. As shown in FIG. 6A, the waterproof plug 60 is crimped and fixed on the insulating coating of the electric wire W by a crimping piece 59 provided at the rear end of the terminal 50.

  The lance 20 is provided in a cantilever shape with the front end, which is a free end, facing forward by fixing the rear end 21 to the inner peripheral wall of the inner housing portion 12. As shown in FIGS. 4 to 7, the lance 20 has a beak (locking convex portion) 22 that engages with the locking hole 54 of the terminal 50 at a position close to the tip that is a free end.

  Further, as shown in FIG. 5, the lance 20 has a rectangular frame portion 25 having an engagement hole 25 a on the tip side from the position where the beak 22 is provided. A hooking portion 73 of a front holder 70 described later is inserted into the rectangular engagement hole 25a of the rectangular frame portion 25.

  The front holder 70 is attached to the inner housing portion 12 of the connector housing 10 from the front. The front holder 70 is temporarily locked with respect to the connector housing 10 (the position shown in FIG. It can be freely moved between positions (positions in FIG. 4B). The front holder 70 is provided with a cylindrical wall 71 that is fitted to the outer peripheral portion of the front end of the inner housing portion 12, and a protruding piece-like hooking portion 73 is formed on the bottom portion 72 of the cylindrical wall 71 toward the upper front side. Is protruding. The hook 73 is inserted into the engagement hole 25a at the tip of the lance 20, and the front holder 70 is moved from the main locking position shown in FIG. 7A to the temporary locking position shown in FIG. 7B. Then, the lance 20 is displaced from the engagement position (the position where the terminal 50 is engaged) to the non-engagement position (the position where the terminal 50 is not engaged), and the front holder 70 is moved to the temporary locking position shown in FIG. 4B, the lance 20 is displaced from the non-engagement position (position not engaged with the terminal 50) to the engagement position (position engaged with the terminal 50). It plays a role as a lance operation section.

  The hook portion 73 protrudes in a state of being inclined toward the front side of the connector housing 10. When the front holder 70 is moved from the main locking position to the temporary locking position on the front side surface, the hook 73 is moved. The first inclined surface 73a that displaces the lance 20 to the non-engagement position by pressing the hole edge on the front side of the engagement hole 25a and the front holder 70 are moved from the temporary lock position to the final lock position. And the second inclined surface 73b that displaces the lance 20 to the engagement position by pressing the hole edge on the rear side of the engagement hole 25a as it moves.

  In the present embodiment, since the lance 20 itself has flexibility such that the lance 20 is restored from the non-engagement position to the engagement position, the second inclined surface 73b is provided on the rear side of the engagement hole 25a of the lance 20. It is considered that the function of pushing the edge of the lance 20 and pushing the lance 20 up to the engaged position is not exhibited, but when the flexibility of the lance 20 is weak, the work of pushing up the lance 20 into the engaged position is exhibited. Can be expected.

  When the front holder 70 is moved from the temporary locking position to the final locking position, as shown in FIG. Is inserted into the lower side of the hole edge (that is, the bending space 28 of the lance 20), so that the hook 73 inhibits the lance 20 from being bent, thereby double-locking the terminal 50.

  As shown in FIG. 1, the lever 80 includes a pair of side plates 81 and 82 that face each other in parallel, and a connection operation unit 83 that connects the pair of side plates 81 and 82 to form a U-shape when viewed from the front. It consists of. The lever 80 is mounted on the connector housing 10 so that both side plates 81 and 82 are sandwiched from above and below the inner housing portion 12 of the connector housing 10 so as to be horizontally rotatable. By rotating, both connectors that are initially fitted can be completely fitted.

  As shown in FIG. 1, the connection operation portion 83 of the lever 80 is engaged with the lock portion 18 provided on the locking arm 17 on the connector housing 10 side when the lever 80 is rotated to the final locking position. Engaging engagement claws 88 are provided.

Next, the assembly procedure and the disassembly procedure will be described.
The connector housing 10 is assembled with a front holder 70, a lever 80, and a packing 65 in advance, and the front holder 70 and the lever 80 are held at a temporary locking position. In this state, when assembling the terminal 50 attached to the tip of the electric wire W to the connector housing 10, first, the front holder 70 is once moved to the main locking position as shown by the arrow A as shown in FIG. Then, it is moved to the temporary locking position as shown by the arrow B. By doing so, the hook portion 73 of the front holder 70 is inserted into the engagement hole 25a of the lance 20, and the lance 20 is bent downward by the movement of the front holder 70 to the main locking position and held in the non-engagement position. Is done.

  In this state, as shown in FIG. 4A, the terminal 50 is inserted into the terminal accommodating chamber 14 of the connector housing 10 from the rear. In this case, since the lance 20 is held in the non-engagement position in advance, it is not necessary to apply a load enough to bend the lance 20, and the terminal 50 is easily inserted with almost no load until it stops at the stopper 15. be able to. When the terminal 50 is inserted, the waterproof plug 60 attached to the outer periphery of the electric wire W comes into close contact with the inner surface of the peripheral wall of the terminal accommodating chamber 14, and the gap between the peripheral wall of the terminal accommodating chamber 14 and the outer periphery of the electric wire W is sealed.

  After the terminal 50 is inserted to a predetermined position, the front holder 70 is moved from the temporary locking position to the final locking position as shown in FIG. Then, the lance 20 can be displaced to the engagement position by its own restoring force, the beak 22 of the lance 20 engages with the locking hole 54 of the terminal 50, and the terminal 50 is positioned and locked backward by the lance 20. Is done.

  Further, by moving the front holder 70 to the full locking position, the hook 73 of the front holder 70 enters the bending space 28 of the lance 20 and holds the lance 20 in a state where it cannot be bent. Thereby, the terminal 50 is fixed by double locking.

  When removing the terminal 50 from this state, as shown in FIG. 7, first, the front holder 70 is moved from the final locking position to the temporary locking position. Then, the lance 20 can be displaced to the non-engagement position, and in this state, the terminal 20 can be easily pulled out and removed without being disturbed by the lance 20 as shown in FIG. Therefore, it is not necessary to use the unlocking jig 500 (see FIG. 12) that bends the lance 20 when the terminal 50 is removed. In this way, workability can be improved when the terminal 50 is attached and when the terminal 50 is removed.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

Here, the features of the embodiment of the connector according to the present invention described above are briefly summarized and listed in the following [1] to [4], respectively.
[1] A connector housing (10), a terminal (50) attached to the tip of the electric wire (W) and accommodated and held in the connector housing (10), and the connector housing (10) from the front. A front holder (70) mounted and movable between a temporary locking position on the near side and a final locking position on the back side with respect to the connector housing (10),
The terminal housing chamber (14) into which the terminal (50) is inserted from the rear and the front end of the terminal (50) inserted from the rear into the terminal housing chamber (14) abut against the connector housing (10). The stopper (15) for positioning the terminal (50) in the forward direction and the terminal (50) are locked by protruding into the insertion path of the terminal (50) into the terminal accommodating chamber (14). By retreating from the engagement position and the insertion path of the terminal (50), the terminal (50) is displaceable between the terminal (50) and the non-engagement position where the terminal (50) is disengaged. When the terminal (50) is inserted from the rear to the position positioned by the stopper (15), the terminal (50) is engaged with the terminal (50) by being displaced to the engagement position, and the terminal (50) is moved rearward. A lance (20) for positioning and locking It is,
When the front holder (70) is moved from the main locking position to the temporary locking position by the front holder (70), the lance (20) is displaced from the engaging position to the non-engaging position. When the front holder (70) is moved from the temporary locking position to the final locking position, the lance operating portion (73) displaces the lance (20) from the non-engaging position to the engaging position. ) Is provided. (1) A connector (1).

  [2] The lance (20) has flexibility to restore from the non-engaged position to the engaged position, and the front holder (70) is moved from the temporarily locked position to the final locked position. When the lance (20) is restored to the engaged position by being moved to the position, the lance operating portion (73) of the front holder (70) is in the bending space (28) of the lance (20). The connector (1) according to [1] above, wherein the connector (1) enters and prohibits the bending of the lance (20), thereby double-locking the terminal (50).

  [3] An engagement hole (25a) is provided at a free end of the lance (20), and the lance operating portion (73) of the front holder (70) is connected to the engagement hole (25a) of the lance (70). ) Projecting as an inclined hook portion (73) that can be inserted into the front holder (70), the front holder (70) being moved from the main locking position to the temporary locking position. The first inclined surface (73a) that displaces the lance (20) to the non-engagement position by pressing the hole edge on the front side of the engagement hole (25a) with movement. The connector (1) according to the above [2], which is characterized by the above.

  [4] An engagement hole (25a) is provided at a free end of the lance (20), and the lance operating portion (73) of the front holder (70) is connected to the engagement hole (25a) of the lance (20). ) Projecting as an inclined hook portion (73) that can be inserted into the front holder (70), the front holder (70) being moved from the main locking position to the temporary locking position. A first inclined surface (73a) for displacing the lance (20) to the non-engagement position by pressing a hole edge on the front side of the engagement hole (25a) as it moves, and the front holder When (70) is moved from the temporary locking position to the final locking position, the lance (20) is moved by pressing the rear edge of the engagement hole (25a) as it moves. A second inclined surface (7 Connector according to [1], which has a b), using.

DESCRIPTION OF SYMBOLS 1 Connector 10 Connector housing 14 Terminal accommodating chamber 15 Stopper 20 Lance 25a Engagement hole 28 Deflection space 50 Terminal 70 Front holder 73 Hook part (lance operation part)
73a First inclined surface 73b Second inclined surface
W electric wire

Claims (4)

A connector housing, a terminal attached to the tip of the electric wire and housed and held inside the connector housing, and a temporary locking position on the near side and a back side of the connector housing mounted from the front inside the connector housing A front holder that is movable between the main locking position and
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from behind; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position ;
The lance has flexibility to restore from the disengaged position to the engaged position,
An engagement hole is provided at a free end of the lance, and the lance operating portion of the front holder is projected as an inclined hook portion that can be inserted into the engagement hole of the lance, and the inclined hook portion is When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced to the non-engaging position by pressing the hole edge on the front side of the engaging hole along with the movement. A connector having a first inclined surface . A connector housing, a terminal attached to the tip of the electric wire and housed and held inside the connector housing, and a temporary locking position on the near side and a back side of the connector housing mounted from the front inside the connector housing A front holder that is movable between the main locking position and
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from the rear; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position;
The lance has flexibility to restore from the non-engaged position to the engaged position, and the lance is moved from the temporary locking position to the final locking position to move the lance. Is restored to the engaged position, the lance operating portion of the front holder enters the bending space of the lance to prohibit the bending of the lance, thereby double-locking the terminal. and to Turkey connector. When the lance is restored to the engagement position by moving the front holder from the temporary locking position to the final locking position, the lance operating portion of the front holder enters the bending space of the lance. The connector according to claim 1 , wherein the lance is inhibited from bending and thereby the terminal is double-locked . A connector housing, a terminal attached to the tip of the electric wire and housed and held inside the connector housing, and a temporary locking position on the near side and a back side of the connector housing mounted from the front inside the connector housing A front holder that is movable between the main locking position and
A terminal housing chamber into which the terminal is inserted from the rear into the connector housing; a stopper for positioning the terminal in the forward direction by abutting a front end of the terminal inserted into the terminal housing chamber from the rear; and the terminal housing Between an engagement position that locks the terminal by projecting into the insertion path of the terminal into the chamber and a non-engagement position that is disengaged from the terminal by retreating from the insertion path of the terminal When the terminal is inserted from the rear to the position where the stopper is positioned by the stopper, the terminal is engaged with the terminal by moving to the engagement position. A lance for positioning and locking, and
When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced from the engaging position to the non-engaging position, and the front holder is moved to the temporary locking position. A lance operating portion is provided for displacing the lance from the non-engagement position to the engagement position when the lance is moved from the stop position to the main locking position;
An engagement hole is provided at a free end of the lance, and the lance operating portion of the front holder is projected as an inclined hook portion that can be inserted into the engagement hole of the lance, and the inclined hook portion is When the front holder is moved from the final locking position to the temporary locking position, the lance is displaced to the non-engaging position by pressing the hole edge on the front side of the engaging hole along with the movement. When the first inclined surface to be moved and the front holder are moved from the temporary locking position to the final locking position, the hole edge on the rear side of the engagement hole is pressed along with the movement. features and to Turkey connector that has a second inclined surface for displacing the lance to the engaged position, the.

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