CN209400757U - A kind of cable splice closure - Google Patents
A kind of cable splice closure Download PDFInfo
- Publication number
- CN209400757U CN209400757U CN201920073903.0U CN201920073903U CN209400757U CN 209400757 U CN209400757 U CN 209400757U CN 201920073903 U CN201920073903 U CN 201920073903U CN 209400757 U CN209400757 U CN 209400757U
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- China
- Prior art keywords
- top board
- lower platen
- hole
- cable splice
- splice closure
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Abstract
The utility model discloses a kind of cable splice closure, including box body, tray interior is equipped with clamp device, clamp device includes top board and lower platen, top board is provided with upper notch, and lower platen is provided with lower recess, and top board and lower platen are bonded, upper notch is corresponding with lower recess.Using the fixed device of strengthening core existing in box body, not only has the function of positioning, but also clamp device can be made to be fixed in positioning device, limitation clamp device is mobile.
Description
Technical field
The utility model relates to cable splice closure technical fields, more specifically, it is related to cable splice closure.
Background technique
Following background technique is used to help reader and understands the utility model, and is not construed as the prior art.
Cable splice closure is the popular of optical cable connecting box, also known as cable connection packet, fiber cable joint packet and gun barrel, belongs to machine
Tool pressure tight joint system is offer optics, sealing and the successional connecting protective device of mechanical strength between adjacent optical cable, main
To be suitable for the straight-through of the system of laying such as the aerial of various structure optical cables, pipeline, direct-burried to connect with branch.
Strengthening core in ordinary optical cable is metallic strength member, such as steel, and steel is conductive, when outdoor be struck by lightning,
Cause have electricity inside cable splice closure, entire computer room and whole optical cable can all be scrapped, therefore now mostly use nonmetallic strengthening core light
Cable, securely and reliably.Conventional cable joints box is fixed just for ordinary optical cable, nonmetallic strength member optical cable can not be fixed or
Fixation is unsatisfactory for professional standard, fixes nonmetallic strength member optical cable with conventional cable joints box, and it is disconnected to will cause nonmetallic strengthening core
It splits, so that cable pulling force is inadequate.
Summary of the invention
The purpose of this utility model is to provide with a kind of cable splice closure, fixed using strengthening core existing in box body
Device not only has the function of positioning, but also clamp device can be made to be fixed in positioning device, and limitation clamp device is mobile.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of cable splice closure, including box body, box
Internal portion is equipped with clamp device, and clamp device includes top board and lower platen, and top board is provided with upper notch, and lower platen is provided with recessed
Mouth, top board and lower platen fitting, upper notch are corresponding with lower recess.Preferably, upper notch is identical with lower recess shape.
As a preferred option, top board and lower platen lid close to form through-hole compatible with nonmetallic strengthening core, through-hole
Inner surface is friction surface, and through-hole passes through upper notch and lower recess.Preferably, the shape and size of top board and lower platen are homogeneous
Together.
As a preferred option, the fixed device of strengthening core includes pedestal, reinforces stem and compressing member, pedestal and box body bottom
Fixed, base diameter, which is greater than, reinforces stem diameter, reinforces the center that stem is fixed on pedestal；Reinforcing stem has mounting hole
And perforation, mounting hole and perforated vertical intersection.Preferably, reinforcing stem is hexagonal prisms.
As a preferred option, upper notch and lower recess all have plane and inclined-plane, and inclined-plane is symmetrically disposed on plane two sides,
Upper notch and lower recess are trapezoidal, and half of reinforcement stem is embraced in upper notch and the fitting of lower recess.Upper notch and lower recess are set
It is set to and is adapted to half of reinforcement stem trapezoidal, the fixed function between the fixed device of clamp device and strengthening core can be improved.
Preferably, compressing member has exposed portion and insertion section, and exposed portion's diameter is greater than insertion section diameter.It is preferred that compressing member is
Bolt, exposed portion are nut, and insertion section is stud.
Utility model has the advantages that
1, by setting clamp device, nonmetallic strengthening core passes through from the through-hole of clamp device, by with table in through-hole
Face contact generates frictional force, while top board and lower platen apply certain extruding force to nonmetallic strengthening core, thus to non-gold
Belong to strengthening core and play fixed function, and can ensure that nonmetallic strengthening core will not be broken, makes optical cable that there is enough pulling force.
2, bolt is fixed, it is convenient to disassembly or installation top board and lower platen, nonmetallic strengthening core can easily by
It is passed through from through-hole.
3, nut is embedded in inside the second bolt hole, firstly, gap is not present between nut and bolt, enhances top board
Tightness between lower platen；Secondly, be difficult to tighten completely between nut and bolt, be applied to nonmetallic strengthening core or it is upper,
The external force of lower platen will lead to nut and fall off, and nut is embedded in inside the second bolt hole, the problem of nut falls off will not occur；
Third, since the second bolt hole is close to box body bottom, it has not been convenient to tighten nut, by the way that nut to be embedded in the second bolt hole, directly
It connects and tightens bolt, it is easy to operate.
4, locating piece is conducive to top board and is accurately bonded with lower platen, and upper groove is aligned with lower groove, the first bolt and
Two bolts hole are aligned, it can be achieved that top board is bonded with the accurate of lower platen.
5, using the fixed device of strengthening core existing in box body, not only has the function of positioning, but also clamp device can be made
It is fixed in positioning device, limitation clamp device is mobile.
6, clamp device is used as accessory, and cable splice closure is made to have double-purpose functional, when using metallic strength member, is not necessarily to
Clamp device, directly using the fixed device fastening metal strengthening core of strengthening core；When using nonmetallic strengthening core, clamp device is embraced
Reinforce stem with the nonmetallic strengthening core of fixation.
Detailed description of the invention
Fig. 1 is the cable splice closure structural schematic diagram with clamp device.
Fig. 2 is the structural schematic diagram that clamp device embraces the fixed device of strengthening core.
Fig. 3 is the structural schematic diagram of clamp device.
Fig. 4 is the structural schematic diagram of top board and lower platen, and figure a is lower platen, and figure b is top board.
Fig. 5 is the structural schematic diagram of top board and lower platen, and figure a is top board, and figure b is lower platen.
Fig. 6 is the structural schematic diagram of top board and lower platen, and figure a is top board, and figure b is lower platen.
Fig. 7 is the structural schematic diagram of top board and lower platen, and figure a is top board, and figure b is lower platen.
Fig. 8 is the structural schematic diagram of top board and lower platen, and figure a is top board, and figure b is lower platen.
Fig. 9 is the structural schematic diagram of the fixed device of strengthening core.
Figure 10 is the structural schematic diagram of clamp device.
It is identified in figure: box body 1, clamp device 2, top board 201, lower platen 202, nut bore 2021, through-hole 203, first
Bolt hole 204, the second bolt hole 205, upper groove 206, lower groove 207, locating piece 208, location hole 209, upper notch 210, under
Recess 211, the first locating piece 2081, the second locating piece 2082, third locating piece 2083, the 4th locating piece 2084, the first positioning
Hole 2091, second location hole 2092, third location hole 2093, the 4th location hole 2094, the fixed device 3 of strengthening core, pedestal 301,
Reinforce stem 302, compressing member 303, mounting hole 304, perforation 305, plane 2101, inclined-plane 2102, exposed portion 3031, insertion section
3032, nonmetallic strengthening core 4, optical cable 5.
Specific embodiment
Below to the utility model relates to structure or technical term used in these be described further.These are said
Bright is only how to realize in such a way that example way is illustrated the utility model, can not be to the utility model
Constitute any limitation.
As illustrated in fig. 1 and 2, cable splice closure, including box body 1, clamp device 2 is equipped with inside box body 1, and clamp device 2 wraps
Top board 201 and lower platen 202 are included, top board 201 and the lid of lower platen 202, which close, forms lead to compatible with nonmetallic strengthening core 4
Hole 203, through-hole inner surface are friction surface.Nonmetallic strengthening core 4 is passed through from through-hole, by contacting generation with through-hole inner surface
Frictional force, while top board 201 and lower platen 202 apply certain extruding force to nonmetallic strengthening core 4, to add to nonmetallic
Strong core 4 plays fixed function, and can ensure that nonmetallic strengthening core 4 will not be broken, and optical cable is made to have enough pulling force.
It should be noted that through-hole inner surface has certain roughness, hinder object is i.e. nonmetallic to add so as to generate
The frictional force of strong 4 relative motion of core or relative motion trend.Through-hole 203 is adapted with nonmetallic strengthening core 4, not only meets through-hole
Inner surface is supplied to nonmetallic strengthening core 4 with frictional force, while top board 201 and lower platen 202 can apply nonmetallic strengthening core 4
Add certain extruding force.If clear size of opening is far longer than nonmetallic 4 size of strengthening core, nonmetallic strengthening core is in through-hole 203
The activity space in portion increases, and the contact probability of nonmetallic strengthening core and through-hole inner surface reduces, and through-hole inner surface can not be supplied to
Nonmetallic strengthening core is to frictionally secure effect；If clear size of opening is less than nonmetallic 4 size of strengthening core, nonmetallic strengthening core is in
Squeezed state, fixed function is too obvious, will cause pulling force and nonmetallic strengthening core 4 is caused very much to be broken greatly, moreover, nonmetallic strengthening core
4 with through-hole inner surface excessive friction, can also cause the abrasion of nonmetallic strengthening core 4 to be even broken.
As a specific embodiment, as shown in figure 3, the shape and size of top board 201 and lower platen 202 are homogeneous
Together, the two is bonded completely.In order to guarantee lasting frictional force, top board 201 and lower platen 202 have certain length, and by
Be adapted in through-hole with nonmetallic strengthening core 4, nonmetallic strengthening core is not easy to pass through from through-hole, by by top board 201 and under
Pressing plate 202 is set as lid conjunction mode, and nonmetallic strengthening core 4 will easily and quickly can be passed through from through-hole 203.
As a specific embodiment, as shown in Figure 4 and Figure 5, top board is equipped with the first bolt hole 204, lower platen pair
It is equipped with the second bolt hole 205 with answering, top board 201 is fixed by bolt and lower platen 202.Bolt is fixed, it is convenient to be dismantled
Or top board 201 and lower platen 202 are installed.Further, in order to enhance the stationarity between top board 201 and lower platen 202 with
And stability, the first bolt hole 204 are symmetrically disposed on 201 two sides of top board, the second bolt hole 205 is symmetrically disposed on lower platen
202 two sides, through-hole 203 are located at the center of two the first bolts hole 204.Nonmetallic strengthening core passes through through-hole 203, nonmetallic
The bolt fastening top board 201 and lower platen 202 of 4 two sides of strengthening core, while nonmetallic strengthening core 4 being fixed in through-hole 203,
Prevent external force from causing to shift between top board 201 and lower platen 202.Further, the first bolt hole 204 is counterbore.Bolt
Including nut, counterbore can accommodate nut.Screw bolt passes the first bolt hole 204, the second bolt hole 205, nut are located at heavy
Inside hole, avoids the protrusion of nut from interfering, guarantee the smooth of mounting plane.In order to guarantee between top board 201 and lower platen 202
Tightness, be successively cased with spring washer, plain cushion between bolt and the first bolt hole, i.e., spring washer be located at plain cushion and bolt nut it
Between.Spring washer effect is after tightening bolt, and spring washer gives bolt one elastic force, keeps its not easily to fall off.Plain cushion can increase bolt with
The contact area of top board 201, while damage of spring washer when unloading bolt to 201 surface of top board can be eliminated.Use spiral shell
When the fixed top board 201 of bolt is with lower platen 202, bolt successively puts on spring washer, plain cushion, then passes through lower platen from top board 201
202, top board 201 and lower platen 202 are fixed together.
As a specific embodiment, 202 bottom end face of lower platen is provided with the nut bore 2021 being adapted to nut, nut
Hole and the second bolt hole 205 penetrate through, as shown in Figure 5.Preferably, lower platen 202 is equipped with nut, in nut inserted num hole 2021
Portion.Firstly, when tightening nut, being still inevitably present between nut and bolt if nut is separated with nut bore 2021
Gap, top board 201 and lower platen 202 cannot achieve fastening effect, inside nut inserted num hole 2021, nut and bolt
Between be not present gap, enhance the tightness between top board 201 and lower platen 202.Secondly, being difficult between nut and bolt
It tightens completely, the external force for being applied to nonmetallic strengthening core 4 or upper and lower pressing plate will lead to nut and fall off, by nut inserted num
Inside hole 2021, the problem of nut falls off will not occur.Third, since nut bore 2021 is close to box body bottom, it has not been convenient to tighten
Nut, it is easy to operate by directly tightening bolt in nut inserted num hole 2021.Wherein, due to lower platen 202
Thickness it is smaller, inside nut portion inserted num hole 2021, partially expose to 202 bottom of lower platen.
As a specific embodiment, as shown in figures 3-8, top board 201 is provided with upper groove 206, and lower platen 202 is provided with
Lower groove 207, upper groove 206 and lower groove 207 form through-hole 203.Wherein, the shape and ruler of upper groove 206 and lower groove 207
It is very little not limit, pass through as long as upper groove 206 and lower groove 207 can form nonmetallic strengthening core 4, and with nonmetallic strengthening core
The through-hole of 4 adaptations.For example, through-hole is circle, 206 section of upper groove is less than or equal to circular half, then lower groove 207
Section is correspondingly greater than or is equal to circular half.As another specific embodiment, top board 201 is provided with through-hole 203, under
Pressing plate 202 is plane or top board 201 is plane, and lower platen 202 is provided with through-hole 203, under this mode, top board 201 or
One of them of lower platen 202 is provided with through-hole, another is then plane, only need to carry out aperture to one of pressing plate in this way, save
Remove production process.Certainly preferably, through-hole 203 is formed by upper groove 206 and the closure of lower groove 207,206 He of upper groove
The shape and size of lower groove 207 are identical, be it is semicircular arc-shaped, can reversely misplace in this way, interact, increase it is nonmetallic plus
The drawing force of strong core 4, improves the fastening force to nonmetallic strengthening core 4.
As a specific embodiment, as shown in fig. 6, lower platen 202 is equipped with locating piece 208, top board 201 be equipped with
The location hole 209 that locating piece 208 cooperates, alternatively, top board 201 is equipped with locating piece 208, lower platen 202 is equipped with and locating piece 208
The location hole 209 of cooperation.Herein, locating piece 208 is conducive to top board 201 and is accurately bonded with lower platen 202, upper groove 206
It is aligned with lower groove 207, the first bolt hole 204 is aligned with the second bolt hole 205.When installation, locating piece 208 is inserted into location hole
, it can be achieved that top board 201 is bonded with the accurate of lower platen 202 in 209.Preferably, locating piece 208 is square, and location hole 209 is
Through-hole or location hole 209 are blind hole, and blind hole has arrival end, and arrival end is located at the bottom end face or lower platen of top board 201
202 top end surface.Further, locating piece 208 is symmetrically set in 202 two sides of top board 201 or lower platen, and through-hole 203 passes through two
Center between locating piece 208, locating piece 208 are symmetrically set in 202 two sides of lower platen.Two locating pieces 208 are symmetrically arranged with,
It can guarantee that positioning is more accurate, be bonded top board 201 quickly and accurately with lower platen 202.Preferably, with the first bolt hole
204 and second bolt hole 205 line be middle line, middle line two sides are equipped with locating piece 208.In the present embodiment, locating piece 208 is set
There are 4,4 locating pieces 208 are uniformly arranged on top board 201 or lower platen 202, and top board 201 or lower platen 202 are accordingly
Equipped with the location hole 209 cooperated with locating piece 208.Multiple locating pieces 208 are arranged not only to position more accurately, but also top board 201
Fitting between lower platen 202 more fastens.Further, locating piece 208 is staggered in top board 201 and lower platen 202
On, for example, clamp device is equipped with 4 locating pieces, respectively the first locating piece 2081, the second locating piece 2082, third locating piece
2083 and the 4th locating piece 2084, accordingly location hole is respectively first positioning hole 2091, second location hole 2092, third positioning
Hole 2093 and the 4th location hole 2094, the first locating piece 2081 and the second locating piece 2082 are located on top board 201, third positioning
Part 2083 and the 4th locating piece 2084 are located on lower platen 202, accordingly, first positioning hole 2091 and second location hole 2092
In on lower platen 202, third location hole 2093 and the 4th location hole 2094 are located on top board 201, referring to Fig. 7.Alternatively, first
Locating piece 2081 and third locating piece 2083 are located on top board 201, and the second locating piece 2082 and the 4th locating piece 2084 are located at
On lower platen 202, accordingly, first positioning hole 2091 and third location hole 2093 are located on lower platen 202, second location hole
2092 and the 4th location hole 2094 be located on top board 201, referring to Fig. 8.
As a specific embodiment, the fixed device 3 of strengthening core is equipped with inside box body 1, as shown in Fig. 2, clamp device 2
It is fixed on the fixed device 3 of strengthening core.The fixed device 3 of strengthening core is in existing cable splice closure for the metal in ordinary optical cable
The device that strengthening core is fixed.As shown in figure 9, the fixed device 3 of strengthening core includes pedestal 301, reinforces stem 302 and compressing member
303, pedestal 301 is fixed on 1 bottom of box body, and 301 diameter of pedestal, which is greater than, reinforces 302 diameter of stem, reinforces stem 302 and is fixed on bottom
The center of seat 301；Reinforcing stem 301 has mounting hole 304 and perforation 305, and mounting hole 304 and perforation 305 intersect vertically.
The method of the fixed metallic strength member of the fixed device 3 of strengthening core is: metallic strength member passes through the perforation 305 for reinforcing stem 301, will press
Tight part 303 is inserted into mounting hole 304, is tightened compressing member 303 and is compressed metallic strength member to be fastened.Clamp device 2 is fixed on
A kind of mode of the fixed device 3 of strengthening core are as follows: as shown in Figure 10, top board 201 is provided with upper notch 210, and lower platen 202 is accordingly
It is provided with lower recess 211, upper notch 210 is identical with lower 211 shape of recess, and upper notch 210 and lower recess 211 are opened in close to positioning
The side of part 208.Preferably, upper notch 210 and lower recess 211 all have plane 2101 and inclined-plane 2102, and inclined-plane 2102 is symmetrical
2101 two sides of plane are set to, upper notch 210 and lower recess 211 are trapezoidal, and reinforcement stem 301 is hexagonal prisms, upper notch 210
Half of reinforcement stem 302 is embraced with the fitting of lower recess 211.Upper notch 210 and lower recess 211 are arranged to and half of reinforcement stem
What is be adapted to is trapezoidal, can improve the fixed function between clamp device and the fixed device of strengthening core.Compressing member 303 has exposed portion
3031 and insertion section 3032, exposed 3031 diameter of portion is greater than 3032 diameter of insertion section, and compressing member 303 is screwed into mounting hole 304, outside
Dew portion 3031 can prevent clamp device 2 from falling off.It is preferred that compressing member is bolt, exposed portion is nut, and insertion section is stud.Herein
It should be noted that when compressing member 303 is screwed into mounting hole 304, without being screwed onto most tight state, because being screwed onto most tight state
It will lead to nonmetallic strengthening core 4 to be broken, compressing member be screwed onto and is not contacted with nonmetallic strengthening core 4 or nonmetallic strengthening core 4 connects
Touching, but without tightening.Lower platen is located on pedestal, and upper and lower pressing plate embraces strengthening core by upper notch 210, lower recess 211
Column 302, nonmetallic strengthening core 4 sequentially passes through perforation, through-hole, then is fixed top board and lower platen by bolt, clamp device 2
It is securable on the fixed device 3 of strengthening core.The fixed device 3 of strengthening core not only has the function of positioning, but also fastening can be made to fill
It sets 2 to be fixed on the fixed device 3 of strengthening core, limitation clamp device 2 is mobile.Clamp device 2 is used as accessory, makes fiber cable joint
Box has double-purpose functional, when using metallic strength member, is not necessarily to clamp device, is directly added using the fixed device fastening metal of strengthening core
Qiang Xin；When using nonmetallic strengthening core 4, clamp device, which is embraced, reinforces stem with the nonmetallic strengthening core 4 of fixation.
As a specific embodiment, top board 201 and lower platen 202 are made of aluminum material.Aluminum material light weight,
Easy processing.
In the case where lacking any element specifically disclosed herein, limitation, may be implemented illustrated and described herein
Utility model.Used terms and expressions method is used as the term of explanation rather than limits, and is not intended in these terms
Any equivalent of shown and described feature or part thereof with exclusion in the use of representation, and should be realized that various change
Type is all feasible in the scope of the utility model.It is therefore to be understood that although passing through various embodiments and optional feature
The utility model is specifically disclosed, but the modifications and variations of concept as described herein can be by those of ordinary skill in the art institute
Using, and think that these modifications and variations are fallen within the scope of the utility model of the appended claims restriction.
It is described herein or record article, patent, patent application and every other document and can electronically obtain
The content of information to a certain extent in full include herein by reference, just as each individual publication by specific and single
Solely point out by reference.Applicant retains from any of any this article, patent, patent application or other documents
And all material and information are incorporated into the right in the application.
Claims (8)
1. a kind of cable splice closure, which is characterized in that including box body, tray interior is equipped with clamp device, and clamp device includes upper
Pressing plate and lower platen, top board are provided with upper notch, and lower platen is provided with lower recess, and top board and lower platen fitting, upper notch are under
Recess is corresponding.
2. a kind of cable splice closure as described in claim 1, which is characterized in that upper notch and lower recess all have plane and tiltedly
Face, inclined-plane are symmetrically disposed on plane two sides.
3. a kind of cable splice closure as claimed in claim 2, which is characterized in that upper notch and lower recess are trapezoidal.
4. a kind of cable splice closure as claimed in claim 3, which is characterized in that box body is equipped with the fixed device of strengthening core, reinforces
The fixed device of core includes that pedestal, reinforcement stem and compressing member, pedestal are fixed with box body bottom, and it is straight that base diameter is greater than reinforcement stem
Diameter reinforces the center that stem is fixed on pedestal；Reinforcing stem has mounting hole and perforation, mounting hole and perforated vertical phase
It hands over.
5. a kind of cable splice closure as claimed in claim 4, which is characterized in that reinforcement stem is hexagonal prisms.
6. a kind of cable splice closure as claimed in claim 5, which is characterized in that upper notch and the fitting of lower recess are embraced half and added
Strong stem.
7. a kind of cable splice closure as claimed in claim 6, which is characterized in that compressing member has exposed portion and insertion section, outside
Dew portion diameter is greater than insertion section diameter.
8. a kind of cable splice closure as claimed in claim 7, which is characterized in that compressing member is bolt, and exposed portion is nut, is inserted
Entering portion is stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073903.0U CN209400757U (en) | 2019-01-17 | 2019-01-17 | A kind of cable splice closure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920073903.0U CN209400757U (en) | 2019-01-17 | 2019-01-17 | A kind of cable splice closure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209400757U true CN209400757U (en) | 2019-09-17 |
Family
ID=67898579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920073903.0U Expired - Fee Related CN209400757U (en) | 2019-01-17 | 2019-01-17 | A kind of cable splice closure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209400757U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709652A (en) * | 2019-01-17 | 2019-05-03 | 杭州七友通信科技有限公司 | Cable splice closure |
-
2019
- 2019-01-17 CN CN201920073903.0U patent/CN209400757U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709652A (en) * | 2019-01-17 | 2019-05-03 | 杭州七友通信科技有限公司 | Cable splice closure |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20200117 |