JPH0660979U - connector - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a connector in which a lock claw can be provided with a sufficient spring span even if the connector is downsized. [Structure] A locking portion 23 formed by bending a lock claw 23 on the front end side and a base end side by U-turn and fixed to the housing 1.
Is provided integrally with the shell 10, and a spring member 20 for locking that is separate from the shell 10 is provided, and the housing 1 is provided with a spring member support portion 3 to which a fixing portion 23 is fixed in a fitting relationship. The fixing portion 23 is fixed to the support portion 3 to lock the spring member 2
0 cantileveredly attached to the housing 1 and the lock claw 24
The spring span of can be made sufficiently long.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a connector releasably matingly locked with a mating connector.

[0002]

[Prior art]

 Conventionally, this type of connector has a cylindrical shell that fits into the shell of a mating connector, a housing in which the shell is assembled, and a mating lock with the mating connector that is slidably mounted on the housing. A lock claw that is formed by notching the tubular shell and integrally forming a spring span, and engages with the groove edge of the lock groove provided in the shell of the mating connector. It was a lock.

[0003]

[Problems to be solved by the device]

 However, in the conventional connector, since the lock claw is integrally formed by making a notch in the tubular shell, there is a problem that a sufficient spring span cannot be obtained when the size is reduced. An object of the present invention is to provide a connector that can take a sufficient spring span even if it is downsized.

[0004]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention relates to a fitting of a cylindrical shell fitted to a mating connector, a housing assembled with the shell, and a mating connector slidably mounted on the housing. In a connector provided with a slider for releasing a combined lock, the shell has a lock claw on the tip side and a fixing portion which is bent and formed by making a U-turn on the base end side and fixed to the housing. And a spring member support portion to which the fixing portion is fixed in a fitting relationship, and the fixing portion is fixed to the spring member supporting portion. The locking spring member is attached to the housing by a cantilever.

[0005]

[Action]

 In the connector according to the present invention, the locking spring member, which is separate from the shell, integrally includes the locking claw on the distal end side and the fixed portion formed by bending the proximal end side by making a U-turn, and thus the housing. Since the fixing portion is fixed to the spring member supporting portion in a fitting relationship and the locking spring member is cantileveredly attached to the housing, a sufficient spring span can be obtained even if the size is reduced.

[0006]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings, taking a multipolar connector as an example. FIG. 1 is a side sectional view showing a multipolar connector according to an embodiment of the present invention. The multipolar connector according to the present embodiment includes a cylindrical shell 10 that fits into a mating connector, a housing 1 in which the shell 10 is assembled, and a mating connector that is slidably mounted in the housing 1. And a slider 30 for releasing the lock. In this multipolar connector, a locking spring member 20 which is a separate body from the shell 10 integrally includes a locking claw 24 on the front end side and a fixing portion 23 formed by bending the base end side by a U-turn. , The fixing portion 23 is fixed to the spring member supporting portion 3 of the housing 1 in a fitting relationship, and the locking spring member 20 is attached to the housing 1 in a cantilever manner so that a sufficient spring span can be taken. It has become.

2 (A), (B) and (C) are a front view, a right side view and a rear view showing the housing, respectively. The housing 1 includes a contact holding portion 2 having a partially cut circular cross section in which a large number of unillustrated contacts are incorporated, a spring member supporting portion 3 provided outside the contact holding portion 2, and a contact holding portion 2 on both sides. The projections 4 are provided symmetrically, and the arc-shaped covering piece 6 is provided along the outer circumference of the contact holding portion 2 with the arc-shaped groove 5 interposed therebetween. It has arcuate side small grooves 7, 7 arranged at three positions at angular intervals and an arcuate small groove 8 slightly longer than these. The spring member support portion 3 has a lead-out hole 3a reaching a part of the contact holding portion 2 and an arc-shaped blind fixing hole 3b (which extends along the outer edge of the lead-out hole 3a to the outside of the width of the lead-out hole 3a). 2 (c)) is provided. The housing 1 also has spring-supporting surfaces 3c and 4a on the spring member supporting portion 3 and the two overhanging portions 4, which face the front surface, and supports the spring member and the rear surface at positions corresponding to both ends of the arcuate groove 5. The flat locking surfaces 1a. 1a. 3d is provided.

3 (A), (B), (C) and (D) are a front view, a side view, a plan view and a bottom view showing the shell. The shell 10 has a crack 11 having a constant width over the entire length. On the opposite side of the crack 11, there is provided a notch 12 having a constant width and straight from the back side to the middle position on the front side. A V-shaped concave portion 13 is formed by bending on the extension of the cutout portion 12, and leg pieces 14, 14 and 15 are projectingly provided at three positions on the back side at angular intervals of 90 degrees. It is inserted into the corresponding arcuate small grooves 7, 7 and 8 and assembled into the housing 1 and fitted into the inner circumference of the shell 40 of the mating connector shown by the chain double-dashed line in FIG.

4A and 4B are a front view and a plan view, respectively, showing the locking spring member. The lock spring member 20 is made of an elastic plate, and has an intermediate bending piece 21, a fixing portion 23 formed by making a U-turn on the base end side and further bending the wide portion into an arc shape, and bending and raising the tip from both sides. 1 and a lock claw 24 formed in a shape, and as shown in FIG. 1, the bending piece 21 is bent at an obtuse angle at predetermined two positions to form an inclined surface 22, and the bending piece 21 and the lock claw 24 are formed. Is protruded to the front side and positioned in the notch 12 of the shell 10, the fixing portion 23 is inserted into the insertion fixing hole 3b of the spring member supporting portion 3, and is attached to the housing 1 in a cantilevered manner. The bending piece 21 has a spring span from the U-turned portion of the base portion to the tip end, and the most advanced lock claw 24 can be freely bent and retracted from the notch 12 of the shell 10.

5A and 5B are a rear view and a bottom view, respectively, showing the slider. The slider 30 has a notch 30a formed by notching a part of a cylinder, and has a substantially fan-shaped cross section as shown in FIG. 5 (A). The slider 30 has an inward flange 31 on the front side and both sides of the notch 30a. Both of the locking claws 32 on the back side, the relief groove 34 that is continuous straight from the inner surface of the inward flange 31 to a position midway, and the inner edge on the front side on the extension of the relief groove 34 are cut off in an arc shape. The locking claw 33 formed by the chamfered part 35 formed and the convex ridge 36 on the outer periphery are integrally provided. Then, when the slider 30 covers the outside of the spring member supporting portion 3 and the overhanging portion 4 of the housing 1 with the end surface 30b of the cutout portion 30a aligned with the position of the arcuate groove 5, both the locking claws 32 and the locking claws are formed. 33 are slidably attached to the housing 1 by being locked to the corresponding locking surfaces 1a and 3d, and are biased in the front direction by a compression spring 37 as shown in FIG.

The compression spring 37 has a coil shape and is wound around the outer periphery of the contact holding portion 2. One end of the compression spring 37 is attached to the spring receiving surfaces 3 c and 4 a of the housing 1, and the other end is attached to the inner surface of the inward flange 31 of the slider 30. It abuts and biases the slider 30 in the front direction.

In such a multipolar connector, when the shell 40 of the mating connector, which is indicated by the chain double-dashed line in FIG. 1, is fitted to the outer periphery of the shell 10, the lock claw 24 is hooked at the inner edge of the notch of the shell 40 (not shown). Once mated and locked. When it is desired to release the fitting, if the slider 30 is slid from the front side toward the back side against the urging force of the compression spring 37 by placing a finger on the ridge 36, the inner edge of the inward flange 31 of the slider 30 is removed. The inclined surface 22 of the locking spring member 20 is pressed to displace the locking spring member 20 into the shell 10 by bending, so that the locking claw 24 sinks into the shell 10 and the locking claw 24 functions as a counterpart connector. Since the lock is released by disengaging from the shell 40, it can be removed from the mating connector in this state.

The present invention is not limited to the above embodiment, but can be applied to connectors other than the multipolar connector, and the fixing portion of the spring member is tubular and the housing is provided with the projecting piece. This fixing portion may be fitted to the outer circumference of the, and various modifications can be made without departing from the scope of the invention.

[0014]

[Effect of device]

 As described above, the connector according to the present invention has the locking claw on the distal end side and the fixing portion that is bent and formed by making a U-turn on the proximal end side and is fixed to the housing. A spring member is provided, the fixing portion is fixed to the spring member supporting portion provided in the housing in a fitting relationship, and the locking spring member is attached to the housing in a cantilever state, thereby making a U-turn of the spring member. Since the spring span can be taken from the base to the position of the lock claw at the tip, there is an advantage that a sufficient spring span can be taken in miniaturization.

[Brief description of drawings]

FIG. 1 is a side sectional view showing a multi-pole connector according to an embodiment of the present invention.

2A is a front view showing the housing, FIG. 2B is a right side view of FIG. 2A, and FIG. 2C is a rear view of the same.

3A is a front view showing a shell, FIG. 3B is a side view thereof, FIG. 3C is a plan view thereof, and FIG. 3D is a bottom view thereof.

FIG. 4A is a front view showing a locking spring member, and FIG. 4B is a plan view of the same.

5A is a rear view showing the slider, and FIG. 5B is a bottom view of the same.

[Explanation of symbols]

 1 Housing 3 Spring Member Supporting Part 10 Shell 20 Spring Member 21 Bending Piece 22 Inclined Surface 23 Fixing Part 24 Lock Claw 30 Slider 31 Inward Flange 37 Compression Spring 40 Shell (Mating Connector)

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[Procedure amendment]

[Submission date] December 28, 1993

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Figure 1]

[Fig. 2]

[Figure 3]

[Figure 4]

[Figure 5]

Claims (1)

[Scope of utility model registration request] 1. A tubular shell that fits into a mating connector, a housing in which the shell is assembled, and a slider that is slidably mounted in the housing and that is used to release the mating lock with the mating connector. In the provided connector,
A locking spring member is provided integrally with the locking claw on the tip side and a fixing portion formed by bending the base end side to make a U-turn and fixed to the housing. The locking spring member is provided separately from the shell. A spring member supporting portion to which the fixing portion is fixed in a fitting relationship, the fixing portion is fixed to the spring member supporting portion, and the locking spring member is cantileveredly attached to the housing. Connector to be.