Fastener capable of preventing mistaken loosening caused by touch

Abstract

The utility model relates to a buckle capable of preventing mistaken loosening due to touch, the open end of a first U-shaped buckle and the open end of a second U-shaped buckle are oppositely arranged, a first arm part in the first U-shaped buckle is positioned below a third arm part in the second U-shaped buckle and is clamped with the third arm part, and a second arm part in the first U-shaped buckle is positioned below a fourth arm part in the second U-shaped buckle and is clamped with the fourth arm part in the second U-shaped buckle; a first shielding part is arranged on the upper surface of the first arm part close to the end part of the third arm part; and a second shielding part is arranged on the lower surface of the fourth arm part close to the end part of the second arm part. The MPO adapter has the advantages that when the first U-shaped buckle and the second U-shaped buckle are clamped in the sliding grooves in the MPO and the first U-shaped buckle and the second U-shaped buckle are clamped, the shell in the MPO can be prevented from sliding backwards, even if an optical fiber patch cord has a certain weight, loosening between the buckle of the adapter and the MPO is not prone to occurring, and the MPO adapter is convenient to use. And the first U-shaped buckle and the second U-shaped buckle cannot be easily separated due to accidental touch of foreign objects.

Description

TECHNICAL FIELD

[0001] The utility model relates to MPO technical field, concretely relates to a kind of anti-touching and loosening buckle. BACKGROUND

[0002] MPO (optical fiber connector) include: shell, inner shell and fiber jumper, inner shell is sleeved on fiber jumper, shell is movably sleeved on inner shell, shell rear end and inner shell rear end are all with annular protrusion, shell rear end and inner shell rear end will form sliding groove when shell moves on inner shell along its length direction, when MPO is inserted into the adapter of optical module, the shell of MPO will block the buckle of adapter, prevent the buckle of adapter from being out, to avoid the abnormal position of fiber jumper and affect performance, but in actual use process, especially when fiber jumper is relatively long, because fiber jumper has certain weight, it is prone to cause the phenomenon that the buckle of adapter and MPO are loosened. SUMMARY

[0003] The technical problem to be solved by the utility model is to provide an anti-touching and loosening buckle to overcome the deficiencies in the prior art.

[0004] The technical scheme for solving the above technical problem of the utility model is as follows:

[0005] An anti-touching and loosening buckle, comprising: a first U-shaped buckle and a second U-shaped buckle for being clamped on MPO and being in the sliding groove thereof, the open end of the first U-shaped buckle is arranged opposite to the open end of the second U-shaped buckle, the first arm portion in the first U-shaped buckle is below and clamped with the third arm portion in the second U-shaped buckle, and the second arm portion in the first U-shaped buckle is below and clamped with the fourth arm portion in the second U-shaped buckle; a first shielding portion is arranged on the upper surface of the first arm portion near the end portion of the third arm portion, and a second shielding portion is arranged on the lower surface of the fourth arm portion near the end portion of the second arm portion.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0007] Further, a first inclined surface as a notch is arranged between the end surface and the lower surface of the third arm portion, and a second inclined surface as a notch is arranged between the end surface and the upper surface of the second arm portion.

[0008] Further, the upper surface of the first shielding portion is higher than the upper surface of the third arm portion, and the lower surface of the second shielding portion is lower than the lower surface of the second arm portion.

[0009] Further, the upper surface of the first shielding portion is lower than the upper surface of the third arm portion, and the upper surface of the first shielding portion is higher than the upper opening portion of the first inclined surface; the lower surface of the second shielding portion is higher than the lower surface of the second arm portion, and the lower surface of the second shielding portion is lower than the lower opening portion of the second inclined surface.

[0010] Further, the first arm upper surface is provided with a first protrusion, the third arm is provided with a first clamping hole, and the first protrusion is clamped into the first clamping hole to realize clamping of the first arm and the third arm.

[0011] Further, the second arm is provided with a second clamping hole, and the fourth arm lower surface is provided with a second protrusion, and the second protrusion is clamped into the second clamping hole to realize clamping of the second arm and the fourth arm.

[0012] Further, the first shielding part and the first protrusion form a containing groove, and the third arm end part is located in the containing groove; the second shielding part and the second protrusion form a containing groove, and the second arm end part is located in the containing groove.

[0013] Further, the first arm of the first U-shaped buckle is shorter than the second arm, and the second arm upper surface is provided with a first groove for containing the inner shell protrusion of the MPO; the third arm of the second U-shaped buckle is longer than the fourth arm, and the third arm lower surface is provided with a second groove for containing the inner shell protrusion of the MPO.

[0014] Further, the first shielding part and the first arm are integrally formed, and the second shielding part and the fourth arm are integrally formed.

[0015] Further, the first U-shaped buckle structure is the same as the second U-shaped buckle structure.

[0016] The utility model discloses the beneficial effects are:

[0017] When the first U-shaped buckle and the second U-shaped buckle are clamped in the sliding groove of the MPO, and the first U-shaped buckle and the second U-shaped buckle are clamped, the rearward sliding of the MPO shell can be prevented, so even if the optical fiber patch cord has a certain weight, the adapter buckle and the MPO are not easy to appear the loose phenomenon, if need to overhaul, then the end part of the second arm is outwardly pried or levered to make the second arm and the fourth arm unclamp, and the end part of the third arm is outwardly pried or levered to make the first arm and the third arm unclamp, so that the first U-shaped buckle and the second U-shaped buckle unclamp, and are separated from above and taken down, and the structure is simple, and the buckle is convenient to take down.

[0018] Due to the existence of the first shielding part and the second shielding part, the third arm end part is partially or wholly hidden, and the second arm end part is partially or wholly hidden, so the first arm and the third arm and the second arm and the fourth arm are not easy to be separated due to the touch of foreign matters, that is, the first U-shaped buckle and the second U-shaped buckle are not easy to be loosened and separated, and the safety is improved. DRAWINGS

[0019] Figure 1The utility model discloses a first kind of anti-touching and loosening buckle structure diagram of mistaken of the utility model;

[0020] Figure 2 The utility model discloses a first kind of anti-touching and loosening buckle front view of mistaken of the utility model;

[0021] Figure 3 The utility model discloses a first kind of anti-touching and loosening buckle of mistaken of the utility model explodes the diagram;

[0022] Figure 4 The utility model discloses a first kind of anti-touching and loosening buckle and MPO's assembly drawing of mistaken of the utility model;

[0023] Figure 5 The utility model discloses a second kind of anti-touching and loosening buckle structure diagram of mistaken of the utility model; Figure 4

[0024] Figure 6 The utility model discloses a second kind of anti-touching and loosening buckle front view of mistaken of the utility model;

[0025] Figure 7 The utility model discloses a second kind of anti-touching and loosening buckle of mistaken of the utility model explodes the diagram;

[0026] Figure 8 The utility model discloses a second kind of anti-touching and loosening buckle of mistaken of the utility model explodes the diagram;

[0027] Figure 9 The utility model discloses a second kind of anti-touching and loosening buckle and MPO's assembly drawing of mistaken of the utility model;

[0028] Figure 10 The utility model discloses a second kind of anti-touching and loosening buckle of mistaken of the utility model explodes the diagram. Figure 9 In the drawing, the component list that each sign represents is as follows:

[0029] 1, first U type buckle, 110, first arm part, 111, first shield part, 112, first protruding block, 120, second arm part, 121, second card hole, 122, second inclined surface, 123, first recess, 2, second U type buckle, 210, third arm part, 211, first card hole, 212, first inclined surface, 213, second recess, 220, fourth arm part, 221, second shield part, 222, second protruding block, 3, MPO, 310, shell, 320, inner shell, 321, boss, 330, sliding slot.

[0030] Specific implementation

[0031] ​​The principles and features of this utility model are described below with reference to the accompanying drawings. The examples given are only for explaining this utility model and are not intended to limit the scope of this utility model. In this embodiment, in order to simplify the description of complexity, "upper surface" and "lower surface" are described only according to the view shown in the current drawings. If the view changes, the orientation of "upper surface" and "lower surface" will also change, such as defining the orientation as "outer surface" and "inner surface".

[0032] Example 1

[0033] like Figures 1-3 ,or Figures 6-8 As shown, an anti-collision release buckle includes: a first U-shaped buckle 1 and a second U-shaped buckle 2 for locking onto an MPO (fiber optic connector) 3 and located within its slide groove 330. The open ends of the first U-shaped buckle 1 and the second U-shaped buckle 2 are arranged opposite to each other. As shown in the figure, when the MPO (fiber optic connector) is inserted laterally into the adapter of the optical module, the open ends of the first U-shaped buckle 1 and the second U-shaped buckle 2 are distributed laterally.

[0034] In the first U-shaped buckle 1, the first arm 110 is located below the third arm 210 of the second U-shaped buckle 2, and the first arm 110 of the first U-shaped buckle 1 is engaged with the third arm 210 of the second U-shaped buckle 2. To release the engagement between the first arm 110 and the third arm 210, the end of the third arm 210 can be pried outwards. In the first U-shaped buckle 1, the second arm 120 is located below the fourth arm 220 of the second U-shaped buckle 2, and the second arm 120 of the first U-shaped buckle 1 is engaged with the third arm 210 of the second U-shaped buckle 2. The fourth arm 220 of the U-shaped buckle 2 is engaged. If it is required to release the second arm 120 from the fourth arm 220, the end of the second arm 120 can be pried outward. The upper surface of the first arm 110 is provided with a first blocking part 111 near the end of the third arm 210, and the lower surface of the fourth arm 220 is provided with a second blocking part 221 near the end of the second arm 120. In this embodiment, "near" means about 0.5mm apart, such as 0.4mm, 0.5mm, 0.6mm, etc.

[0035] like Figure 4 , Figure 5 ,or Figure 9 , Figure 10As shown, when the first U-shaped buckle 1 and the second U-shaped buckle 2 are clamped in the sliding groove in the MPO, and the first U-shaped buckle 1 and the second U-shaped buckle 2 are clamped, the shell 310 in the MPO 3 can be prevented from sliding backward, so even if the fiber jumper has a certain weight, it is not easy to cause the adapter buckle and the MPO to be loose, if it needs to be repaired, the end of the second arm part 120 is pried or pried out, so that the second arm part 120 and the fourth arm part 220 are in a clamped state, and the end of the third arm part 210 is pried or pried out, so that the first arm part 110 and the third arm part 210 are in a clamped state, that is, the first U-shaped buckle 1 and the second U-shaped buckle 2 are in a clamped state, so as to be separated from the MPO and taken down, the structure is simple, and the buckle is convenient and convenient to take down;

[0036] Due to the existence of the first shielding part 111 and the second shielding part 221, the end part of the third arm part 210 is partially or completely hidden, and the end part of the second arm part 120 is partially or completely hidden, so that the first arm part 110 and the third arm part 210 and the second arm part 120 and the fourth arm part 220 are not caused to be separated due to the touch of foreign matter, that is, the first U-shaped buckle 1 and the second U-shaped buckle 2 are not easily caused to be loose, and the safety is improved.

[0037] Embodiment 2

[0038] As shown in Figures 1-3 , or Figures 6-8 , this embodiment is a further improvement on the basis of embodiment 1, as follows:

[0039] The third arm part 210 is provided with a first inclined surface 212 as a pry position between the end surface and the lower surface, and since there is a gap between the first shielding part 111 and the end part of the third arm part 210, the first inclined surface 212 can be pried by a tool to release the clamped state of the first arm part 110 and the third arm part 210; The second arm part 120 is provided with a second inclined surface 122 as a pry position between the end surface and the upper surface, and since there is a gap between the second shielding part 221 and the end part of the second arm part 120, the second inclined surface 122 can be pried by a tool to release the clamped state of the second arm part 120 and the fourth arm part 220.

[0040] Embodiment 3

[0041] As shown in Figure 6 , Figure 7 , Figure 8 , this embodiment is a further improvement on the basis of embodiment 1 or 2, as follows:

[0042] The upper surface of the first shielding portion 111 is higher than the upper surface of the third arm portion 210, so that the first shielding portion 111 can completely shield the third arm portion 210, and better prevent the first arm portion 110 and the third arm portion 210 from being disengaged from the clamped state due to accidental contact with the third arm portion 210; the lower surface of the second shielding portion 221 is lower than the lower surface of the second arm portion 120, so that the second shielding portion 221 can completely shield the second arm portion 120, and better prevent the second arm portion 120 and the fourth arm portion 220 from being disengaged from the clamped state due to accidental contact with the second arm portion 120.

[0043] Embodiment 4

[0044] As shown in Figure 1 , Figure 2 , Figure 3 This embodiment is a further improvement on the basis of Embodiment 2, and the specific improvements are as follows:

[0045] The upper surface of the first shielding portion 111 is lower than the upper surface of the third arm portion 210, and the upper surface of the first shielding portion 111 is higher than the upper opening of the first inclined surface 212; the lower surface of the second shielding portion 221 is higher than the lower surface of the second arm portion 120, and the lower surface of the second shielding portion 221 is lower than the lower opening of the second inclined surface 122. This scheme can also to some extent avoid the accidental contact of the first arm portion 110 and the third arm portion 210 and the second arm portion 120 and the fourth arm portion 220, and cause the first arm portion 110 and the third arm portion 210 and the second arm portion 120 and the fourth arm portion 220 to disengage, and compared with Embodiment 3, it is more convenient to require contact and clamping state in the subsequent.

[0046] Embodiment 5

[0047] As shown in Figures 1-3 , or Figures 6-8 This embodiment is a further improvement on the basis of any one of Embodiments 1-4, and the specific improvements are as follows:

[0048] The upper surface of the first arm portion 110 is provided with a first protrusion 112, and the upper surface of the third arm portion 210 is provided with a first clamping hole 211. The first arm portion 110 of the first U-shaped buckle 1 is located at the inner side of the third arm portion 210 of the second U-shaped buckle 2. In addition, the first protrusion 112 is clamped into the first clamping hole 211 to realize the clamping connection between the first arm portion 110 and the third arm portion 210. If it is required to release the clamping connection between the first arm portion 110 and the third arm portion 210, the end of the third arm portion 210 is pried or levered outwardly, so that the first protrusion 112 is separated from the first clamping hole 211. In the embodiment, the above-mentioned mode is only one clamping connection structure, and other modes can also be used in actual application, for example, the clamping hole is arranged on the upper surface of the first arm portion 110, and the protrusion is arranged on the lower surface of the third arm portion 210. The structure can also realize the clamping connection between the first arm portion 110 and the third arm portion 210.

[0049] Further, the side surface of the first protrusion 112 near the first shielding portion 111 is a slope surface inclined from outside to inside.

[0050] Embodiment 6

[0051] As shown in Figures 1-3 , or Figures 6-8 , the embodiment is a further improvement on the basis of embodiment 5, and the specific improvements are as follows:

[0052] The upper surface of the first arm portion 110 is provided with a first protrusion 112, and the upper surface of the third arm portion 210 is provided with a first clamping hole 211. The first arm portion 110 of the first U-shaped buckle 1 is located at the inner side of the third arm portion 210 of the second U-shaped buckle 2. In addition, the first protrusion 112 is clamped into the first clamping hole 211 to realize the clamping connection between the first arm portion 110 and the third arm portion 210. If it is required to release the clamping connection between the first arm portion 110 and the third arm portion 210, the end of the third arm portion 210 is pried or levered outwardly, so that the first protrusion 112 is separated from the first clamping hole 211. In the embodiment, the above-mentioned mode is only one clamping connection structure, and other modes can also be used in actual application, for example, the clamping hole is arranged on the upper surface of the first arm portion 110, and the protrusion is arranged on the lower surface of the third arm portion 210. The structure can also realize the clamping connection between the first arm portion 110 and the third arm portion 210.

[0053] Further, the side surface of the first protrusion 112 near the first shielding portion 111 is a slope surface inclined from outside to inside.

[0054] Embodiment 7

[0055] As shown in Figures 1-3 , or Figures 6-8 , the embodiment is a further improvement on the basis of embodiment 6, and the specific improvements are as follows:

[0056] The first shielding part 111 and the first protrusion 112 form a receiving groove, and the end of the third arm part 210 is in the receiving groove. The second shielding part 221 and the second protrusion 222 form a receiving groove, and the end of the second arm part 120 is in the receiving groove.

[0057] Embodiment 8

[0058] As shown in Figures 1-3 , or Figures 6-8 , this embodiment is a further improvement on the basis of any one of embodiments 1-7, as follows:

[0059] The first arm part 110 of the first U-shaped buckle 1 is shorter than the second arm part 120, and the upper surface of the second arm part 120 is provided with a first recess 123 for accommodating the boss 321 on the inner shell 320 of the MPO 3. When the first U-shaped buckle 1 is in the sliding groove 330 on the MPO 3, the end of the first arm part 110 is on one side of the boss 321. The third arm part 210 of the second U-shaped buckle 2 is longer than the fourth arm part 220, and the lower surface of the third arm part 210 is provided with a second recess 213 for accommodating the boss 321 on the inner shell 320 of the MPO 3. When the second U-shaped buckle 2 is in the sliding groove 330 on the MPO 3, the end of the fourth arm part 220 is on one side of the boss 321. By opening the first recess 123 on the upper surface of the second arm part 120 and the second recess 213 on the lower surface of the third arm part 210, the buckle can be applied to MPOs with bosses on the inner shell, and also to MPOs without bosses on the inner shell, with good versatility.

[0060] Embodiment 9

[0061] As shown in Figures 1-3 , or Figures 6-8 , this embodiment is a further improvement on the basis of any one of embodiments 1-8, as follows:

[0062] The first shielding part 111 is integrally formed with the first arm part 110, and the second shielding part 221 is integrally formed with the fourth arm part 220.

[0063] Embodiment 10

[0064] As shown in Figures 1-3 , or Figures 6-8 Figures 1-3 Figures 6-8 , this embodiment is a further improvement on the basis of any one of embodiments 1-9, as follows:

[0065] The structure of the first U-shaped buckle 1 is the same as that of the second U-shaped buckle 2, and the installation sequence does not need to be considered. When one of them is damaged, one can be replaced.

[0066] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

Claims

1. An anti-jamming, misrelease buckle, comprising: The utility model relates to a first U-shaped buckle (1) and a second U-shaped buckle (2) for clamping on MPO (3) and being in the chute (330) thereof, the open end of the first U-shaped buckle (1) is arranged opposite the open end of the second U-shaped buckle (2), the first arm portion (110) in the first U-shaped buckle (1) is below the third arm portion (210) in the second U-shaped buckle (2) and is clamped with it, the second arm portion (120) in the first U-shaped buckle (1) is below the fourth arm portion (220) in the second U-shaped buckle (2) and is clamped with it, the upper surface of the first arm portion (110) is equipped with the first sheltering portion (111) at the end of the third arm portion (210) nearby, and the lower surface of the fourth arm portion (220) is equipped with the second sheltering portion (221) at the end of the second arm portion (120) nearby. The third arm portion (210) is equipped with a first inclined surface (212) as a cutting position between the end surface and the lower surface, and the second arm portion (120) is equipped with a second inclined surface (122) as a cutting position between the end surface and the upper surface.

2. A touch-prevention, accidental-release buckle according to claim 1, wherein, The upper surface of the first sheltering portion (111) is higher than the upper surface of the third arm portion (210), and the lower surface of the second sheltering portion (221) is lower than the lower surface of the second arm portion (120).

3. A touch-prevention release buckle according to claim 1 or 2, characterized in that, The upper surface of the first sheltering portion (111) is lower than the upper surface of the third arm portion (210), and the upper surface of the first sheltering portion (111) is higher than the upper mouth portion of the first inclined surface (212); the lower surface of the second sheltering portion (221) is higher than the lower surface of the second arm portion (120), and the lower surface of the second sheltering portion (221) is lower than the lower mouth portion of the second inclined surface (122).

4. The anti-collision, accidental release buckle of claim 2, wherein, The upper surface of the first arm portion (110) is equipped with a first protruding block (112), the third arm portion (210) is equipped with a first clamping hole (211) on the upper surface, and the first protruding block (112) is clamped into the first clamping hole (211) to realize the clamping of the first arm portion (110) and the third arm portion (210).

5. The anti-collision, accidental release buckle of claim 1, wherein, The second arm portion (120) is equipped with a second clamping hole (121) on the upper surface, and the fourth arm portion (220) is equipped with a second protruding block (222) on the lower surface, and the second protruding block (222) is clamped into the second clamping hole (121) to realize the clamping of the second arm portion (120) and the fourth arm portion (220).

6. A touch-prevention, accidental-release buckle according to claim 5, wherein, The first sheltering portion (111) and the first protruding block (112) form a containing groove, and the end of the third arm portion (210) is in the containing groove; the second sheltering portion (221) and the second protruding block (222) form a containing groove, and the end of the second arm portion (120) is in the containing groove.

7. A touch-prevention release buckle according to claim 6, wherein ​ 8. The anti-collision, accidental release buckle of claim 1, wherein, The first arm part (110) of the first U-shaped buckle (1) is shorter than the second arm part (120), and the upper surface of the second arm part (120) is provided with a first groove (123) for accommodating the boss (321) on the inner shell (320) of the MPO (3); the third arm part (210) of the second U-shaped buckle (2) is longer than the fourth arm part (220), and the lower surface of the third arm part (210) is provided with a second groove (213) for accommodating the boss (321) on the inner shell (320) of the MPO (3).

9. The anti-collision, accidental release buckle of claim 1, wherein, The first shielding part (111) is integrally formed with the first arm part (110), and the second shielding part (221) is integrally formed with the fourth arm part (220).

10. The anti-collision, accidental release buckle of claim 1, wherein, The structure of the first U-shaped buckle (1) is the same as that of the second U-shaped buckle (2).

Images