Connector structure

Abstract

To provide a connector structure with reduced rattle, a mating position assurance lock and a first connector.SOLUTION: An upper lock beak 231 of a male connector 2 engages with an upper lock beak 323 of a female connector 3, and the male connector 2 and the female connector 3 are fitted together. An upper lock arm 42 and a lower lock arm 44 of a CPA 4 are provided with tips that are flexible in the vertical direction. After the male connector 2 and the female connector 3 are fitted together, an upper lock beak 43 provided at the tip of the upper lock arm 42 climbs over the upper lock beak 323 of the female connector 3 to engage with it. A lower lock beak 45 provided at the tip of the lower lock arm 44 engages with a lower lock beak 232 of the male connector 2 in the main locking position.SELECTED DRAWING: Figure 11

Description

Technical Field

[0001] The present invention relates to a connector structure, a fitting position securing lock, and a first connector.

Background Art

[0002] As a conventional connector structure, a semi-fitting prevention connector described in Patent Document 1 has been proposed (Patent Document 1). The semi-fitting prevention connector of Patent Document 1 includes a male connector, a female connector fitted to the male connector, and a fitting position securing lock (CPA) slidably attached to the female connector. The fitting position securing lock is configured such that when the male connector and the female connector are semi-fitted, it cannot move from the temporary locking position to the main locking position.

[0003] In the above-described conventional semi-fitting prevention connector, after the connector fitting is completed, there is a large play in the male connector, the female connector, and the CPA, so the sliding friction of the terminal contact portion is large, and there is a concern about poor electrical conduction.

Prior Art Documents

Patent Documents

[0004]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0005] The present invention has been made in view of the above circumstances, and an object thereof is to provide a connector structure with reduced play. of

Means for Solving the Problems

[0006] In order to achieve the above object, the connector structure according to the present invention is characterized by the following. A first connector, A second connector that fits with the first connector, The device includes a mating position guarantee lock that is slidably mounted relative to the second connector in the mating direction of the first and second connectors. A connector structure, The first connector has a first locking portion and a second locking portion that protrude on both sides of the projection direction intersecting the mating direction, The second connector has a first arm whose tip is flexibly provided in the direction of the projection, and a third locking portion provided at the tip of the first arm, which overcomes the first locking portion and locks with the first locking portion when the first connector and the second connector are mated together. The fitting position guarantee lock comprises a second arm whose tip is flexibly provided in the direction of the projection, a fourth locking portion provided at the tip of the second arm, which can overcome the third locking portion and engage with the third locking portion after the third locking portion has overcome the first locking portion and engaged with the first locking portion, a third arm whose tip is flexibly provided in the direction of the projection, and a fifth locking portion provided at the tip of the third arm, which overcomes the second locking portion and engages with the second locking portion in the main locking position where the fourth locking portion overcomes the third locking portion and engages with the third locking portion, When the fitting position guarantee lock is in the main locking position in which the fourth locking portion is locked with the third locking portion and the fifth locking portion is locked with the second locking portion, the tip of the second arm and the tip of the third arm are maintained in a bent state. Ori , The mating position guarantee lock is slidably mounted to the second connector between the main locking position, where the fourth locking portion is located closer to the first connector in the mating direction than the third locking portion, and the temporary locking position, where the fourth locking portion is located closer to the second connector in the mating direction than the third locking portion. In the fitting direction, the protruding end of the second locking portion is located closer to the second connector than the protruding end of the first locking portion. The second locking portion is provided with a first inclined surface that extends from the protruding end toward the second connector in the mating direction and whose projection height increases as it moves toward the first connector in the mating direction, and a second inclined surface that extends from the protruding end toward the first connector in the mating direction and whose projection height decreases as it moves toward the first connector in the mating direction. When the third locking portion has overcome the first locking portion and the fitting position guarantee lock is in the temporary locking position, the fifth locking portion is in contact with the second inclined surface. It has a connector structure. [Effects of the Invention]

[0009] According to the present invention, a connector structure with suppressed looseness is provided. of It can be provided.

[0010] The above is a brief description of the present invention. Furthermore, the details of the present invention will be further clarified by reading through the embodiments for carrying out the invention described below (hereinafter referred to as "embodiments") with reference to the attached drawings.

Brief Description of the Drawings

[0011] [Figure 1] FIG. 1 is a longitudinal sectional view before fitting showing an embodiment of the connector structure of the present invention. [Figure 2] FIG. 2 is a perspective view of the male connector shown in FIG. 1. [Figure 3] FIG. 3 is a perspective view of the female connector and the CPA shown in FIG. 1. [Figure 4] FIG. 4 is a sectional view taken along line A-A of FIG. 1. [Figure 5] FIG. 5 is a perspective view of the CPA shown in FIG. 1. [Figure 6] FIG. 6 is an enlarged view of part B of FIG. 5. [Figure 7] FIG. 7 is a longitudinal sectional view during the fitting of the female connector and the male connector shown in FIG. 1. [Figure 8] FIG. 8 is a longitudinal sectional view after fitting of the connector structure shown in FIG. 1 and during the movement of the CPA to the main locking position. [Figure 9] FIG. 9 is a longitudinal sectional view of the male housing rib and the rib insertion groove in the connector structure shown in FIG. 8. [Figure 10] FIG. 10 is an enlarged view of part C of FIG. 9. [Figure 11] FIG. 11 is a longitudinal sectional view after fitting of the connector structure shown in FIG. 1 and after the CPA has moved to the main locking position. [Figure 12] FIG. 12 is a longitudinal sectional view of the male housing rib and the rib insertion groove in the connector structure shown in FIG. 11. [Figure 13] FIG. 13 is an enlarged view of part D of FIG. 12.

Embodiments for Carrying out the Invention

[0012] Specific embodiments of the present invention will be described below with reference to the figures.

[0013] For the sake of explanation, the terms "front," "rear," "left," "right," "up," and "down" are defined below as shown in Figures 1 to 13. The "front-back direction," "left-right direction," and "up-down direction" are mutually orthogonal. The front-back direction corresponds to the "fitting direction" of the present invention. The up-down direction corresponds to the "protrusion direction" of the present invention.

[0014] As shown in Figure 1, the connector structure 1 of this embodiment comprises a male connector 2 (first connector), a female connector 3 that mates with the male connector 2, and a CPA (Mating Position Guarantee Lock) 4 that is slidably mounted on the outside of the female connector 3 in the front-rear direction.

[0015] The male connector 2 comprises two male terminals 21, a short spring 22 that contacts the two male terminals 21, a male housing 23 that houses the male terminals 21 and the short spring 22, and a male front retainer 24.

[0016] The male terminal 21 is made by punching out and bending a conductive metal plate. The male terminal 21 is housed in the male housing 23 so that its longitudinal direction is aligned with the front-to-back direction. Two male terminals 21 are housed in the male housing 23 side by side in the left-to-right direction. The male terminal 21 is attached to the end of the electric wire 10. A rubber stopper 11 is fitted onto the end of the electric wire 10, and the portion with the rubber stopper 11 fitted is housed in the male housing 23.

[0017] The short spring 22 is made by punching out and bending a conductive metal plate. As shown in Figure 1, when the male connector 2 and the female connector 3 are not mated, the short spring 22 contacts the male terminal 21, short-circuiting the two male terminals 21. On the other hand, as shown in Figures 8 and 11, when the male connector 2 and the female connector 3 are mated, the female housing 32 is inserted between the short spring 22 and the male terminal 21, so the connection between the short spring 22 and the male terminal 21 is released.

[0018] The male housing 23 is made of an insulating material such as resin. As shown in Figure 1, the male housing 23 has an upper lock beak 231 (first locking part), a lower lock beak 232 (second locking part), a male housing lance 233, and a pair of male housing ribs 234, 234 (first rib; see Figure 2). As shown in Figure 1, the upper lock beak 231 and the lower lock beak 232 are provided protruding from both the upper and lower sides of the outer surface of the cylindrical male housing 23. The upper lock beak 231 is provided protruding upward and is intended to lock with the upper lock beak 323 of the female connector 3, which will be described later. The upper lock beak 231 has an inclined surface S1 at its front end, the height of which increases as it moves towards the rear.

[0019] The lower lock beak 232 is provided projecting downward and is intended to engage with the lower lock beak 45 of the CPA4, which will be described later. The lower lock beak 232 has an inclined surface S21 (first inclined surface) at its front end, the height of which increases as it moves towards the rear, and an inclined surface S22 (second inclined surface) adjacent to the rear of the inclined surface S21, the height of which decreases as it moves towards the rear. The male housing lance 233 is provided projecting downward and forward from the inner surface of the cylindrical male housing 23 and is intended to engage with the male terminal 21.

[0020] As shown in Figure 2, the pair of male housing ribs 234, 234 are provided projecting from the outer surface of the male housing 23 to both the left and right sides. The pair of male housing ribs 234, 234 extend in the front-rear direction and are provided from the front end of the male housing 23 to the middle in the front-rear direction.

[0021] As shown in Figure 1, the female connector 3 includes two female terminals 31 that are electrically connected to each of the two male terminals 21, a female housing 32 that houses the two female terminals 31, and a female front retainer 33 and a packing 34 that are fitted onto the female housing 32.

[0022] The female terminal 31 is made by punching out and bending a conductive metal plate. The female terminal 31 is housed in the female housing 32 so that its longitudinal direction is aligned with the front-to-back direction. Two female terminals 31 are housed in the female housing 32 side by side in the left-to-right direction. The ends of the electric wires 10 are attached to the female terminals 31. A rubber stopper 11 is fitted onto the end of the electric wire 10, and the portion with the rubber stopper 11 fitted is inserted into the female housing 32.

[0023] The female housing 32 is made of an insulating material such as resin. As shown in Figure 3, the female housing 32 has two terminal housing chambers 321. The two terminal housing chambers 321 are arranged side by side in the left-right direction, and one female terminal 31 is housed in each.

[0024] As shown in Figure 1, the female housing 32 also has a pair of locking arms 322, 322 (first arms), an upper locking beak 323 (third locking part), and a female housing lance 324. The pair of locking arms 322, 322 protrude upward from the upper outer surface of the female housing 32, extend toward the rear (male connector 2 side), and their rear ends (tips) are provided to be flexible in the vertical direction. The pair of locking arms 322, 322 are provided side by side in the left-right direction. The upper locking beak 323 is provided to connect the rear ends of this pair of locking arms 322, 322.

[0025] The female housing lance 324 is provided to protrude downward and rearward within the terminal housing chamber 321 and is intended to lock the female terminal 31.

[0026] The female front retainer 33 is made of an insulating material such as resin. The female front retainer 33 is inserted from the rear of the female housing 32, and a portion of it is housed in the terminal housing chamber 321. The female front retainer 33 housed in the terminal housing chamber 321 is inserted between the tip of the female housing lance 324 and the inner surface of the terminal housing chamber 321. This prevents the tip of the female housing lance 324 from bending toward the inner surface of the terminal housing chamber 321 and releasing the lock with the female terminal 31.

[0027] The packing 34 is fitted onto the female housing 32 located in front of the female front retainer 33.

[0028] The CPA4 is slidably mounted on the female connector 3 in the front-to-back direction. The CPA has a roughly rectangular cylindrical housing 41 that accommodates the female connector 3, an upper lock arm 42 (second arm), an upper lock beak 43 (fourth locking part), a lower lock arm 44 (third arm), and a lower lock beak 45 (fifth locking part).

[0029] The upper lock arm 42 extends from the upper side of the housing 41 toward the rear and downward, and its rear end (tip) is provided to be flexible in the vertical direction. An upper lock beak 43 is provided at the rear end of the upper lock arm 42, projecting downward. The lower lock arm 44 extends from the lower side of the housing 41 toward the rear and upward, and its rear end (tip) is provided to be flexible in the vertical direction. A lower lock beak 45 is provided at the rear end of the lower lock arm 44, projecting upward.

[0030] The CPA4 is slidably positioned between a permanent locking position (see Figure 11) where the upper lock beak 43 is located behind the upper lock beak 323 of the female connector 3, and a temporary locking position (see Figure 1) where the upper lock beak 43 is located in front of the upper lock beak 323 of the female connector 3.

[0031] As shown in Figure 4, the female connector 3 has a pair of locking arms 35, 35 and a pair of female housing side locks 36, 36. The CPA 4 has a pair of CPA side locks 46, 46. The pair of locking arms 35, 35 extend from the left and right outer surfaces of the female housing 32 toward the front, and their front ends are provided to be flexible in the left-right direction. The front ends of this pair of locking arms 35, 35 are provided with a pair of female housing side locks 36, 36 that protrude outward in the left-right direction. The CPA side locks 46 are provided protruding from the left and right inner surfaces of the housing 41. When the CPA 4 is in the temporary locking position, the female housing side locks 36 and the CPA side locks 46 lock together to prevent the female connector 3 from falling out of the CPA 4.

[0032] As shown in Figures 5 and 6, the CPA4 has a pair of rib insertion grooves 47, 47 and a pair of crush ribs 48, 48 (second ribs).

[0033] As shown in Figure 5, a pair of rib insertion grooves 47, 47 are provided on the left and right inner surfaces of the housing 41 in a concave shape, into which a pair of male housing ribs 234, 234 of the male connector 2 are inserted, respectively. The pair of rib insertion grooves 47, 47 extend in the front-rear direction and are provided from the rear end of the housing 41 to the middle in the front-rear direction.

[0034] As shown in Figure 6, the pair of crush ribs 48, 48 are provided protruding from the inner surfaces of the pair of rib insertion grooves 47, 47. In this embodiment, the pair of crush ribs 48, 48 are provided protruding downwards. The pair of crush ribs 48, 48 are not provided on the rear side of the pair of rib insertion grooves 47, 47, but only on the front end. That is, the pair of crush ribs 48, 48 are provided so as not to contact the male housing rib 234 in the temporary locking position, but to contact and crush the male housing rib 234 in the permanent locking position. The rear end of the crush rib 48 is provided with an inclined surface that increases in protrusion height towards the front.

[0035] Next, the mating procedure between the male connector 2 and the female connector 3 described above will be explained. When the female connector 3 has the CPA 4 slid to the rear and is in the permanent locking position, the female terminal 31 is housed in the terminal housing chamber 321. After housing the female terminal 31, as shown in Figure 1, the male connector 2 and the female connector 3 are mated together with the CPA 4 slid to the front and in the temporary locking position. Before the male connector 2 and the female connector 3 are mated together, the shorting spring 22 is in contact with the male terminal 21.

[0036] Bring the male connector 2 and female connector 3 closer together and insert the male connector 2 into the CPA4. At this time, insert the front end of the male housing rib 234 of the male connector 2 from the rear end of the rib insertion groove 47 of the CPA4. The male connector 2 is guided in the front-rear direction by the rib insertion groove 47. When the male connector 2 and female connector 3 are brought even closer together, as shown in Figure 7, the rear end of the lock arm 322 of the female connector 3 bends upward, and the upper lock beak 323 rides up over the upper lock beak 231 of the male connector 2. Also, the rear end of the upper lock arm 42 of the CPA4 bends upward, and the upper lock beak 43 rides up over the upper lock beak 231 of the male connector 2. Furthermore, the rear end of the lower lock arm 44 of the CPA4 bends downward, and the lower lock beak 45 rides up over the lower lock beak 232 of the male connector 2.

[0037] When the male connector 2 and the female connector 3 are brought closer together, as shown in Figure 8, the upper lock beak 323 of the female connector 3 moves over the upper lock beak 231 of the male connector 2. At this time, the rear end of the lock arm 322 of the female connector 3 returns to its downward position, and the upper lock beak 323 is positioned behind the upper lock beak 231, causing the upper lock beak 323 and the upper lock beak 231 to lock together. As a result, the male connector 2 and the female connector 3 are fully mated together.

[0038] When the upper lock beak 323 and upper lock beak 231 are locked together, the upper surfaces of the upper lock beak 231 and upper lock beak 323 become the same height. As a result, the upper lock beak 43 of the CPA4 can ride over the upper lock beak 323 of the female connector 3.

[0039] Furthermore, when the upper lock beak 323 overcomes the upper lock beak 231, the lower lock beak 45 is in contact with the inclined surface S22 of the lower lock beak 232. As a result, the force of the rear end of the lower lock arm 44 returning to its upper position and the action of the inclined surface S22 generate a sliding force on the CPA4 that causes it to slide backward. This force causes the CPA4 to slide from the temporary locking position towards the permanent locking position. In other words, after the male connector 2 and the female connector 3 are mated, the CPA4 can be smoothly moved from the temporary locking position to the permanent locking position.

[0040] Furthermore, as shown in Figures 9 and 10, even after the upper lock beak 323 has moved over the upper lock beak 231 and the male connector 2 and female connector 3 have mated, the crush rib 48 will not be in contact with the male housing rib 234 unless the CPA 4 is in the main locking position.

[0041] As shown in Figure 11, when the CPA4 moves to the locked position, the upper lock beak 43 moves over the upper lock beak 323. At this time, the rear end of the upper lock arm 42 returns to its downward position, and the upper lock beak 43 is positioned behind the upper lock beak 323, and the upper lock beak 43 and the upper lock beak 323 are locked together. Also, the lower lock beak 45 moves over the lower lock beak 232. At this time, the rear end of the lower lock arm 44 returns to its upward position, and the lower lock beak 45 is positioned behind the lower lock beak 232, and the lower lock beak 45 and the lower lock beak 232 are locked together. In this embodiment, when in the locked position, the tips of the upper lock arm 42 and the lower lock arm 44 remain in a bent state. Therefore, the restoring force of the upper lock arm 42 and the lower lock arm 44 generates a pinching force in the vertical direction on the male connector 2 and the female connector 3, which can suppress vertical play in the connector structure 1.

[0042] Furthermore, the female housing 32 is inserted between the male terminal 21 and the short spring 22, and the connection between the male terminal 21 and the short spring 22 is released.

[0043] When the CPA4 moves to the locked position, the crush rib 48 comes into contact with the male housing rib 234 and is crushed. This crush rib 48 helps to suppress vertical play in the connector structure 1.

[0044] Furthermore, the present invention is not limited to the embodiments described above, and can be modified, improved, etc., as appropriate. In addition, the material, shape, dimensions, number, placement, etc. of each component in the embodiments described above are arbitrary and not limited, as long as they can achieve the present invention.

[0045] For example, according to the embodiment described above, the male connector 2 had a short spring 22, but the short spring 22 is not essential and may be omitted.

[0046] For example, in the embodiment described above, crush ribs 48 were provided, but crush ribs 48 are not essential and may be omitted.

[0047] Herein, the features of the connector structure, mating position detection lock, and the embodiment of the first connector according to the present invention described above are briefly listed below in [1] to [5]. [1] First connector (2), A second connector (3) that mates with the aforementioned first connector (2), The first connector (2) and the second connector (3) are provided with a mating position guarantee lock (4) which is slidably attached to the second connector (3) in the mating direction (front-to-back direction). Connector structure (1), The first connector (2) has a first locking portion (231) and a second locking portion (232) that protrude on both sides in the projection direction (up and down direction) intersecting the mating direction (front and back direction), The second connector (3) has a first arm (322) whose tip is flexibly provided in the direction of the projection (up and down direction), and a third locking portion (323) provided at the tip of the first arm (322) that overcomes the first locking portion (231) and locks with the first locking portion (231) when the first connector (2) and the second connector (3) are mated together. The fitting position guarantee lock (4) includes a second arm (42) whose tip is flexibly provided in the direction of the projection (up and down direction), a fourth locking portion (43) provided at the tip of the second arm (42) that, after the third locking portion (323) has overcome the first locking portion (231) and locked with the first locking portion (231), can overcome the third locking portion (323) and lock with the third locking portion (323), a third arm (44) whose tip is flexibly provided in the direction of the projection (up and down direction), and a fifth locking portion (45) provided at the tip of the third arm (44) that, in the main locking position where the direction of the projection (up and down direction) overcomes the third locking portion (323) and locks with the third locking portion (323), overcomes the second locking portion (232) and locks with the second locking portion (232). Connector structure (1).

[0048] According to the configuration described in [1] above, the restoring force of the second arm (42) and third arm (44) of the mating position guarantee lock (4) generates a pinching force on the first connector (2) and the second connector (3) in the direction of the protrusion (up and down direction), thereby suppressing vertical play of the connector structure (1).

[0049] [2] In the connector structure (1) described in [1], The second locking portion (232) is provided with a first inclined surface (S21) whose projection height increases as it approaches the first connector (2) side in the mating direction (front-rear direction), and a second inclined surface (S22) adjacent to the first connector (2) side of the first inclined surface (S21), whose projection height decreases as it approaches the first connector (2) side in the mating direction (front-rear direction). When the third locking portion (323) overcomes the first locking portion (231), the fifth locking portion (45) is in contact with the second inclined surface (S22). Connector structure (1).

[0050] According to the configuration described in [2] above, the restoring force of the tip of the third arm (44) and the action of the second inclined surface (S22) generate a sliding force on the mating position guarantee lock (4) toward the first connector side (rear side). Therefore, after mating the first connector (2) and the second connector (3), the mating position guarantee lock (4) can be smoothly moved from the temporary locking position to the permanent locking position.

[0051] [3] In the connector structure (1) described in [1], The first connector (2) has a first rib (234) extending in the mating direction (front-rear direction), The mating position guarantee lock (4) has a rib insertion groove (47) into which the first rib (234) is inserted and which guides the first connector (2) in the mating direction (front-rear direction), A second rib (48) is provided within the rib insertion groove (47) that contacts the first rib (234) at the locking position. Connector structure (1).

[0052] According to the configuration described in [3] above, the second rib (48) can further suppress play when the mating position guarantee lock (4) is in the locked position.

[0053] [4] A mating position guarantee lock (4) is slidably attached to the second connector (3) in the mating direction (front-to-back direction) between the first connector (2) and the second connector (3), A second arm (42) is provided flexibly in a projection direction (up and down direction) that intersects the fitting direction (front and back direction) at its tip, A third locking portion (323) provided at the tip of the first arm (322), which is provided at the tip of the second arm (42) and flexible in the direction of the projection (up and down direction) of the second connector (3), can overcome the first locking portion (231) which protrudes in one direction of the projection (up and down direction) of the first connector (2), and after engaging with the first locking portion (231), overcome the third locking portion (323) and engage with the third locking portion (323) in the direction of the projection (up and down direction), A third arm (44) whose tip is flexibly provided in the direction of the projection (up and down direction), The third arm (44) is provided with a fifth locking portion (45) which, in a locking position where the projection direction (up and down direction) overcomes the third locking portion (323) and locks with the third locking portion (323), overcomes the second locking portion (232) which protrudes in the other direction of the projection direction (up and down direction) of the first connector (2) and locks with the second locking portion (232), Mating position guarantee lock (4).

[0054] According to the configuration described in [4] above, the restoring force of the second arm (42) and third arm (44) of the mating position guarantee lock (4) generates a pinching force on the first connector (2) and the second connector (3) in the direction of the protrusion (up and down direction), thereby suppressing vertical play of the connector structure (1).

[0055] [5] In a first connector (2) that mates with a second connector (3) to which a mating position guarantee lock (4) is slidably attached, The first connector (2) and the second connector (3) have a first locking portion (231) and a second locking portion (232) that protrude on both sides in the direction of projection (up and down direction) intersecting the mating direction (front and back direction) of the first connector (2) and the second connector (3), and which lock into locking portions provided on the tips of flexible arms in the direction of projection (up and down direction) of the mating position guarantee lock (4) that is slidably attached to the second connector (3), respectively. First connector (2).

[0056] According to the configuration described in [5] above, the restoring force of the second arm (42) and third arm (44) of the mating position guarantee lock (4) generates a pinching force on the first connector (2) and the second connector (3) in the direction of the protrusion (up and down direction), thereby suppressing vertical play of the connector structure (1). [Explanation of Symbols]

[0057] 1. Connector structure 2 Male connectors (first connector) 3 Female connector (second connector) 4. CPA (Mating Position Guarantee Lock) 42 Upper lock arm (second arm) 43 Upper lockbeak (4th locking part) 44 Lower lock arm (3rd arm) 45 Lower lockbeak (5th locking part) 47 Rib insertion groove 48 Crushed Rib (2nd Rib) 231 Upper lockbeak (first locking part) 232 Lower lockbeak (second locking part) 234 Male housing rib (1st rib) 322 Lock arm (first arm) 323 Upper lockbeak (third locking part) S21 Inclined surface (first inclined surface) S22 Inclined surface (second inclined surface)

Claims

1. First connector and A second connector that mates with the first connector, The system includes a mating position guarantee lock that is slidably mounted relative to the second connector in the mating direction of the first and second connectors. A connector structure, The first connector has a first locking portion and a second locking portion that protrude on both sides of the projection direction intersecting the mating direction, The second connector has a first arm whose tip is flexibly provided in the direction of the projection, and a third locking portion provided at the tip of the first arm, which overcomes the first locking portion and locks with the first locking portion when the first connector and the second connector are mated together. The fitting position guarantee lock comprises a second arm whose tip is flexibly provided in the direction of the projection, a fourth locking portion provided at the tip of the second arm, which can overcome the third locking portion and engage with the third locking portion after the third locking portion has overcome the first locking portion and engaged with the first locking portion, a third arm whose tip is flexibly provided in the direction of the projection, and a fifth locking portion provided at the tip of the third arm, which overcomes the second locking portion and engages with the second locking portion in the main locking position where the fourth locking portion overcomes the third locking portion and engages with the third locking portion, When the fitting position guarantee lock is in the main locking position in which the fourth locking portion is locked with the third locking portion and the fifth locking portion is locked with the second locking portion, the tip of the second arm and the tip of the third arm are maintained in a bent state. The mating position guarantee lock is slidably mounted to the second connector between the main locking position, where the fourth locking portion is located closer to the first connector in the mating direction than the third locking portion, and the temporary locking position, where the fourth locking portion is located closer to the second connector in the mating direction than the third locking portion. In the fitting direction, the protruding end of the second locking portion is located closer to the second connector than the protruding end of the first locking portion. The second locking portion is provided with a first inclined surface that extends from the protruding end toward the second connector in the mating direction and whose projection height increases as it moves toward the first connector in the mating direction, and a second inclined surface that extends from the protruding end toward the first connector in the mating direction and whose projection height decreases as it moves toward the first connector in the mating direction. When the third locking portion has overcome the first locking portion and the fitting position guarantee lock is in the temporary locking position, the fifth locking portion is in contact with the second inclined surface. Connector structure.

2. In the connector structure according to claim 1, The first connector has a first rib extending in the mating direction, The mating position guarantee lock has a rib insertion groove into which the first rib is inserted and which guides the first connector in the mating direction. A second rib is provided within the rib insertion groove, which contacts the first rib at the locking position. Connector structure.

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