CN209198717U - Band edge sub-light cable - Google Patents
Band edge sub-light cable Download PDFInfo
- Publication number
- CN209198717U CN209198717U CN201821789546.XU CN201821789546U CN209198717U CN 209198717 U CN209198717 U CN 209198717U CN 201821789546 U CN201821789546 U CN 201821789546U CN 209198717 U CN209198717 U CN 209198717U
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- China
- Prior art keywords
- adhesive portion
- band edge
- terminal
- edge sub
- hardness
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Abstract
The utility model provides a kind of band edge sub-light cable (1), has: optical cable (2), the covering portion (22) with optical fiber (21) and the cladding optical fiber；And terminal (3), it is installed on the end of the optical cable, the band edge sub-light cable is characterized in that, front end of the optical cable in the end for installing the terminal, the covering portion is removed and strips out the optical fiber, the terminal is in side one end (3a) of the terminal, has the clamping part (31) for clamping the optical fiber (21), band edge sub-light cable has: the first adhesive portion (41), with the optical fiber be configured in the state of the clamping part optical fiber carried out with the clamping part it is be bonded；And second adhesive portion (42), in side the other end (3b) of the terminal, the state on the terminal is configured in the optical cable and carries out a part of at least lower part of the optical cable with the terminal be bonded, and the hardness of second adhesive portion is lower than the hardness of first adhesive portion.
Description
Technical field
The utility model relates to band edge sub-light cables.
Background technique
All the time, as shown in figure 5, using band edge sub-light as the component in optical communications coupling light transmission path
Cable.Multiple optical fiber for example by being set to the terminal by the processing of V slot and applying bonding agent by this band edge sub-light cable, and benefit
It is fixed with fixation member from top grip optical fiber.
For this band edge sub-light cable, ground in the end face 103a to terminal 103 so that light transmission path coupling
When conjunction, if bonding agent is too soft, optical fiber 121 is mobile and damaged sometimes.On the other hand, if bonding agent is too hard, in bending optical cable
Optical fiber 121 can be removed with bonding agent sometimes when 102, or optical fiber 121 sometimes when generating larger stress due to temperature variation
It can break.
Utility model content
The utility model is made in view of this actual conditions, and project is, providing one kind can be in the end face of terminal
The breakage of optical fiber is prevented when grinding, can prevent optical fiber 21 and bonding agent from removing when optical cable is bent, and can prevent temperature
Change the band edge sub-light cable of the broken string of caused optical fiber.
Technical teaching for solving the problem was
The first method of the utility model is a kind of band edge sub-light cable (1), which has: optical cable (2), tool
There is optical fiber (21) and coats the covering portion (22) of the optical fiber；Terminal (3) is installed on the end of the optical cable (2), the band edge
Sub-light cable is characterized in that,
The covering portion is removed in the front end for the end for installing the terminal and strips out the optical fiber by the optical cable,
The terminal (3) has the clamping part for clamping the optical fiber (21) in side one end (3a) of the terminal (3)
(31),
Band edge sub-light cable (1) has:
First adhesive portion (41) is configured in the state of the clamping part for the optical fiber and the folder with the optical fiber
The portion of holding is bonded；And
Second adhesive portion (42) is configured in the end in side the other end (3b) of the terminal with the optical cable
State on son a part of at least lower part of the optical cable is carried out with the terminal (3) it is be bonded,
The hardness of second adhesive portion is lower than the hardness of first adhesive portion.
The second method of the utility model is characterized in that, in the band edge sub-light cable of first method,
Have third adhesive portion (43), which covers a part and described on at least top of the optical cable
The a part on at least top of two adhesive portions,
The hardness of the third adhesive portion is higher than the hardness of second adhesive portion.
The Third Way of the utility model is characterized in that, in the band edge sub-light cable of second method,
Third adhesive portion also covers a part of at least side of the optical cable.
The fourth way of the utility model is characterized in that, in the band edge sub-light cable of Third Way,
Having the 4th adhesive portion (44), the 4th adhesive portion covers a part on at least top of the third adhesive portion,
The hardness of 4th adhesive portion is higher than the hardness of second adhesive portion and is lower than the hardness of third adhesive portion.
5th mode of the utility model is characterized in that, in the band edge sub-light cable of fourth way,
The hardness based on GB2411-1980 of first adhesive portion be 80 or more and 85 hereinafter,
The hardness based on GB2411-1980 of second adhesive portion is 60 more than or lower than 80,
The hardness based on GB2411-1980 of the third adhesive portion be 85 or more and 95 hereinafter,
The hardness based on GB2411-1980 of 4th adhesive portion is 80 more than or lower than 85.
6th mode of the utility model is characterized in that, in the band edge sub-light cable of first method,
Has the 5th adhesive portion (45), the 5th adhesive portion is from the other end of the terminal to opposite with the clamping part
Direction length that optical cable cladding is given.
7th mode of the utility model is characterized in that, in the band edge sub-light cable of the 6th mode,
The hardness based on GB2411-1980 of second adhesive portion is 60 more than or lower than 80,
The hardness based on GB2411-1980 of 5th adhesive portion is 60 or more and 80 or less.
The eighth mode of the utility model is characterized in that, in the band edge sub-light cable of second method,
Second adhesive portion includes: first area (42a) glues the optical cable in the other end side of the terminal
It is connected to terminal；And second area (42b), it is configured between the first area and the clamping part, the optical fiber that will be stripped out
It is adhered to terminal.
The effect of utility model
Band edge sub-light cable according to the present utility model can prevent the breakage of the optical fiber in the grinding of the end face of terminal,
It can prevent optical fiber and bonding agent from removing when optical cable is bent, and the broken string of optical fiber caused by temperature variation can be prevented.
Detailed description of the invention
Fig. 1 be indicate the utility model relates to band edge sub-light cable an example top view.
Fig. 2 is the line A-A cross-sectional view of Fig. 1.
Fig. 3 is the line B-B cross-sectional view of Fig. 1.
Fig. 4 A be the utility model relates to band edge sub-light cable manufacturing method explanatory diagram.
Fig. 4 B be the utility model relates to band edge sub-light cable manufacturing method explanatory diagram.
Fig. 4 C be the utility model relates to band edge sub-light cable manufacturing method explanatory diagram.
Fig. 4 D be the utility model relates to band edge sub-light cable manufacturing method explanatory diagram.
Fig. 5 is the top view for the band edge sub-light cable for indicating that conventional example is related to.
Symbol description
1 band edge sub-light cable
2 optical cables
3 terminals
The one end of 3a terminal
The other end of 3b terminal
31 clamping parts
21 optical fiber
22 covering portion
41 first adhesive portions
42 second adhesive portions
The first area 42a
42b second area
43 third adhesive portions
44 the 4th adhesive portions
45 the 5th adhesive portions.
Specific embodiment
For the utility model relates to band edge sub-light cable, by 5 optical cables be arranged in laterally one column fiber array be
Example is illustrated.In addition, as long as the effect of band edge sub-light cable discovery the utility model of the utility model, is not limited to following
Example.
As shown in FIG. 1 to 3, band edge sub-light cable 1 has: optical cable 2, with optical fiber (optical fibre core) 21 and coats the light
Fine covering portion 22；And terminal 3, it is installed on the end of optical cable 2.
Covering portion 22 is removed in the front end of the end of mounting terminal 3 and strips out optical fiber 21 by optical cable 2.
Terminal 3 has the clamping part 31 of grip optical fiber 21 in the side one end 3a of the terminal 3.Clamping part 31 has: mounting
Portion 31a is formed with the slot 32 of V word；With cover 31b, mounting portion 31a and the grip optical fiber together with mounting portion 31a are covered on
21。
In addition, band edge sub-light cable 1 has: the first adhesive portion 41 carries out with clamping part 31 optical fiber 21 be bonded；With second
Adhesive portion 42, the other end side 3b of terminal 3 with by state of the configuration on terminal 3 of optical cable 2 by optical cable 2 at least under
The a part in portion carries out be bonded with terminal 3.
In the band edge sub-light cable 1 of present embodiment, the second adhesive portion 42 includes: first area 42a, in terminal 3
The lower part of optical cable 2 is only adhered to terminal 3 by the other end side 3b；Second area 42b, configuration is in first area 42a and clamping
Between portion 31, covers around the front end of the optical fiber 21 and covering portion 22 that strip out and they are adhered to terminal 3.
In addition, covering portion 22 is able to use nylon etc., the surface of covering portion 22 be coated in improve covering portion 22 with
The surface treating agent of the cementability of bonding agent.The range of coated surfaces inorganic agent be, for example, 5 from the front end of covering portion 22~
10mm。
In addition, the utility model relates to band edge sub-light cable 1 be formed as the hardness of the second adhesive portion 42 lower than the first bonding
The hardness in portion 41.In addition, the hardness in this specification refers to the hardness based on GB2411-1980 measurement.
According to the utility model, since optical fiber 21 is carried out the hardness of the first be bonded adhesive portion 41 than with clamping part 31
The hardness of two adhesive portions 42 is high, therefore when can be ground in the end face 3a to terminal 3 so that light transmission path couples, more has
The situation for preventing optical fiber 21 mobile and damaged to effect.
In addition, due to the other end side 3b of terminal 3 the second adhesive portion 42 hardness than the first adhesive portion 41 hardness
It is low, thus can by optical cable 2 be bent when prevent optical fiber 21 and the second adhesive portion 42 removing the case where, it is further possible to by
When temperature variation produces larger stress, preventing optical fiber 21, there is a situation where break.
In addition, band edge sub-light cable 1 has third adhesive portion 43, the third adhesive portion 43 is by the one of at least top of optical cable 2
The a part on part and at least top of the second adhesive portion 42 is covered.Here, it is preferred that the hardness ratio of third adhesive portion 43
The hardness of second adhesive portion 42 is high.By being glued by the hardness third adhesive portion 43 higher than the second adhesive portion 42 to optical cable 2 and second
The top of socket part 42 is bonded, to even if can also be effectively prevented optical cable 2 in the case where stress is applied to optical cable 2
Removing.
It is further preferred, that third adhesive portion 43 also covers a part of at least side of optical cable 2.
By covering the side of optical cable 2 by the hardness third adhesive portion 43 higher than the second adhesive portion 42, thus even if answering
In the case that power is applied to optical cable 2, the removing of optical cable 2 can be also more efficiently prevented from.
In addition, band edge sub-light cable 1 has the 4th adhesive portion 44, the 4th adhesive portion 44 covers third adhesive portion 43 at least
The a part on top.Here, it is preferable that the hardness of the 4th adhesive portion 44 is higher than the hardness of the second adhesive portion 42 and is lower than third
The hardness of adhesive portion 43.
By keeping the hardness of the 4th adhesive portion 44 higher than the hardness of the second adhesive portion 42 and hardness than third adhesive portion 43
It is low, so as to the generation for the cracking being effectively prevented on the upper face of adhesive portion.
Here, it is preferable that the hardness based on GB2411-1980 of the first adhesive portion 41 is 80 or more and 85 hereinafter, the
The hardness based on GB2411-1980 of two adhesive portions 42 be 60 more than or lower than 80, third adhesive portion 43 based on GB2411-
1980 hardness be 85 or more and 95 hereinafter, the hardness based on GB2411-1980 of the 4th adhesive portion 44 be 80 more than or lower than
85。
In addition, band edge sub-light cable 1 has the 5th adhesive portion 45, the 5th adhesive portion 45 from the other end 3b of terminal 3 to
The direction opposite with clamping part 31 length that the cladding of optical cable 2 is given.
The hardness of 5th adhesive portion 45 is identical as the second above-mentioned adhesive portion, and preferably 60 or more and 80 or less.
Then, the manufacturing process of band edge sub-light cable 1 is illustrated.Firstly, as shown in Figure 4 A, by the front end of optical cable 2
Covering portion 22 is peelled off, and optical fiber 21 is exposed.Then, as shown in Figure 4 B, optical fiber 21 is placed in the V slot of mounting portion 31a, it is viscous first
Bonding agent is respectively applied in socket part 41 and the second adhesive portion 42, covers cover 31b.Then, as shown in Figure 4 C, in third adhesive portion 43
Bonding agent is applied, and then applies bonding agent, fixed optical cable 2 in the 4th adhesive portion 44.Then, as shown in Figure 4 D, in the 5th bonding
Portion 45 applies bonding agent, fixed optical cable 2.
Band edge sub-light cable 1 according to the present utility model can prevent the optical fiber 21 in the grinding of the end face 3a of terminal 3
Breakage can prevent optical fiber 21 and bonding agent from removing when optical cable 2 is bent, and can prevent optical fiber caused by temperature variation
21 broken string.
Claims (8)
1. a kind of band edge sub-light cable (1), has: optical cable (2), the covering portion (22) with optical fiber (21) and the cladding optical fiber；
And terminal (3), it is installed on the end of the optical cable, the band edge sub-light cable is characterized in that,
The covering portion is removed in the front end for the end for installing the terminal and strips out the optical fiber by the optical cable,
The terminal has the clamping part (31) for clamping the optical fiber (21) in side one end (3a) of the terminal,
Band edge sub-light cable has:
First adhesive portion (41) is configured in the state of the clamping part for the optical fiber and the clamping part with the optical fiber
It is bonded；And
Second adhesive portion (42), in side the other end (3b) of the terminal, with the optical cable be configured in the terminal it
On state a part of at least lower part of the optical cable is carried out with the terminal it is be bonded,
The hardness of second adhesive portion is lower than the hardness of first adhesive portion.
2. band edge sub-light cable according to claim 1, which is characterized in that
The band edge sub-light cable has: third adhesive portion (43), covers a part on at least top of the optical cable and described
The a part on at least top of the second adhesive portion,
The hardness of the third adhesive portion is higher than the hardness of second adhesive portion.
3. band edge sub-light cable according to claim 2, which is characterized in that
Third adhesive portion also covers a part of at least side of the optical cable.
4. band edge sub-light cable according to claim 3, which is characterized in that
The band edge sub-light cable has: the 4th adhesive portion (44) covers a part on at least top of the third adhesive portion,
The hardness of 4th adhesive portion is higher than the hardness of second adhesive portion and is lower than the hardness of third adhesive portion.
5. band edge sub-light cable according to claim 4, which is characterized in that
The hardness based on GB2411-1980 of first adhesive portion be 80 or more and 85 hereinafter,
The hardness based on GB2411-1980 of second adhesive portion is 60 more than or lower than 80,
The hardness based on GB2411-1980 of the third adhesive portion be 85 or more and 95 hereinafter,
The hardness based on GB2411-1980 of 4th adhesive portion is 80 more than or lower than 85.
6. band edge sub-light cable according to claim 1, which is characterized in that
The band edge sub-light cable has: the 5th adhesive portion (45), from the other end of the terminal to the clamping part phase
The anti-direction length that optical cable cladding is given.
7. band edge sub-light cable according to claim 6, which is characterized in that
The hardness based on GB2411-1980 of second adhesive portion is 60 more than or lower than 80,
The hardness based on GB2411-1980 of 5th adhesive portion is 60 or more and 80 or less.
8. band edge sub-light cable according to claim 2, which is characterized in that
Second adhesive portion includes: the optical cable is adhered to by first area (42a) in the other end side of the terminal
Terminal；And second area (42b), it is configured between the first area and the clamping part, the bonding fiber that will be stripped out
In terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789546.XU CN209198717U (en) | 2018-11-01 | 2018-11-01 | Band edge sub-light cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821789546.XU CN209198717U (en) | 2018-11-01 | 2018-11-01 | Band edge sub-light cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198717U true CN209198717U (en) | 2019-08-02 |
Family
ID=67410016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821789546.XU Active CN209198717U (en) | 2018-11-01 | 2018-11-01 | Band edge sub-light cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198717U (en) |
-
2018
- 2018-11-01 CN CN201821789546.XU patent/CN209198717U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |