CN207925844U - A kind of communication test crossover sub equipment - Google Patents
A kind of communication test crossover sub equipment Download PDFInfo
- Publication number
- CN207925844U CN207925844U CN201820268696.XU CN201820268696U CN207925844U CN 207925844 U CN207925844 U CN 207925844U CN 201820268696 U CN201820268696 U CN 201820268696U CN 207925844 U CN207925844 U CN 207925844U
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- China
- Prior art keywords
- slot
- cavity
- fixture block
- interface
- connecting rod
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Abstract
The utility model discloses a kind of communication test crossover sub equipment, including input head, interface, switching device shell and the output line being attached thereto, the input head is connected with interface kit, switching circuit board is installed in the switching device shell, the interface and output line are electrically connected with switching circuit board respectively, slot is offered on the switching device shell, interface is installed in the slot, and interface is electrically connected with switching circuit board, the other end of the slot offers the first cavity, one end of the slot offers the second cavity, (the first back-moving spring is installed in first cavity, it is fixedly connected with gag lever post in the (the first back-moving spring, the first fixture block and the second fixture block are arranged in the slot.The utility model stable structure, easy to operate, design is scientific and reasonable, has clamping close device, convenient for being used in the occasion for needing frequent plug, engagement can be caused not tight after preventing long-time use, testing efficiency can be improved.
Description
Technical field
The utility model is related to crossover sub equipment technical field more particularly to a kind of communication test crossover sub equipment.
Background technology
Test data circuit, data terminal are built to whether every technical performance index of interchanger meets the related of CCITT
Discuss prescribed requirement.It includes the performance indicator of data transmission channel, the performance indicator of interchanger, the regulation of terminal device to test content
The whole bit error rate etc. of the uniformity test and data circuit of agreement, product in terms of complying with standard.But prior art transfer
Changing-over head apparatus lacks clamping close device, due to needing frequent plug, can cause engagement not tight after long-time use, influence test effect
Rate.
Utility model content
Purpose of the utility model is to solve crossover sub equipment in the prior art to lack clamping close device, due to needing
Frequent plug can cause engagement not tight, influence testing efficiency after long-time use the problem of, and a kind of communication test proposed turns
Changing-over head apparatus.
To achieve the goals above, the utility model uses following technical solution：
A kind of communication test crossover sub equipment, including input head, interface, switching device shell and the output being attached thereto
Line, the input head are connected with interface kit, and switching circuit board, the interface and output are equipped in the switching device shell
Line is electrically connected with switching circuit board respectively, and slot is offered on the switching device shell, and interface is equipped in the slot, and
Interface is electrically connected with switching circuit board, and the other end of the slot offers the first cavity, and one end of the slot offers
Two cavitys are equipped with (the first back-moving spring in first cavity, gag lever post, institute are fixedly connected in the (the first back-moving spring
It states and is arranged with the first fixture block and the second fixture block in slot, engaging has input head jointly for first fixture block and the second fixture block, institute
It states gag lever post to extend in slot through the first cavity and be fixedly connected with the first fixture block, first is equipped in second cavity and is connected
Bar is rotatably connected on the inner wall of the second cavity in the middle part of the first connecting rod, and one end of the first connecting rod is rotatably connected to
Second connecting rod, the second connecting rod are extended in slot and are fixedly connected with the second fixture block, and idler wheel is equipped in second cavity
Frame, and turning rolls is slidably connected on the inner roof wall of the second cavity, is offseted at the top of the other end of the turning rolls and first connecting rod,
It is fixedly connected with pull rod on the turning rolls, second back-moving spring is arranged on the pull rod.
Preferably, sliding slot is offered on the inner roof wall of second cavity, the turning rolls is slidably connected on the chute.
Preferably, snap ring, first fixture block and the second fixture block position corresponding with snap ring are arranged on the input head
Offer the card slot with snap ring area equation.
Preferably, accommodating groove is offered in the turning rolls, and third resetting spring is installed in the accommodating groove, described
Three resetting springs are fixedly connected with link block, and idler wheel is equipped on the link block.
Preferably, the slot uses cylindrical structure.
Compared with prior art, the utility model has following advantages：
The utility model stable structure, easy to operate, design is scientific and reasonable, has clamping close device, convenient for needing frequently
The occasion of plug uses, and engagement can be caused not tight after preventing long-time use, testing efficiency can be improved.
Description of the drawings
Fig. 1 be the utility model proposes a kind of communication test crossover sub equipment structural schematic diagram；
Fig. 2 be the utility model proposes a kind of communication test crossover sub equipment turning rolls internal structure schematic diagram；
Fig. 3 be the utility model proposes a kind of communication test crossover sub equipment roll structure schematic diagram；
Fig. 4 be the utility model proposes a kind of communication test crossover sub equipment snap ring part-structure schematic diagram.
In figure：1 switching device shell, 2 output lines, 3 interfaces, 4 slots, 5 first cavitys, 6 first fixture blocks, 7 gag lever posts, 8
(the first back-moving spring, 9 input heads, 10 second fixture blocks, 11 second connecting rods, 12 second cavitys, 13 sliding slots, 14 first connecting rods, 15 rollings
Wheel carrier, 16 second back-moving springs, 17 pull rods, 18 third resetting springs, 19 link blocks, 20 idler wheels, 21 snap rings.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
Referring to Fig.1-4, a kind of communication test crossover sub equipment, including input head 9, interface 3,1 and of switching device shell
The output line 2 being attached thereto, the 3 mating connection of input head 9 and interface are equipped with switching circuit board, interface in switching device shell 1
3 and output line 2 be electrically connected respectively with switching circuit board, which is characterized in that slot 4, slot 4 are offered on switching device shell 1
Interface 3 is inside installed, and interface 3 is electrically connected with switching circuit board, the other end of slot 4 offers the first cavity 5, slot 4
One end offers the second cavity 12, and (the first back-moving spring 8 is equipped in the first cavity 5, is fixedly connected in (the first back-moving spring 8
Gag lever post 7 is arranged with the first fixture block 6 and the second fixture block 10 in slot 4, and engaging has jointly for the first fixture block 6 and the second fixture block 10
Input head 9, gag lever post 7 are extended in slot 4 through the first cavity 5 and are fixedly connected with the first fixture block 6, set in the second cavity 12
There are first connecting rod 14, the middle part of first connecting rod 14 to be rotatably connected on the inner wall of the second cavity 12, one end of first connecting rod 14 turns
Dynamic to be connected with second connecting rod 11, second connecting rod 11 is extended in slot 4 and is fixedly connected with the second fixture block 10, in the second cavity 12
Equipped with turning rolls 15, and turning rolls 15 is slidably connected on the inner roof wall of the second cavity 12, is opened on the inner roof wall of the second cavity 12
Equipped with sliding slot 13, turning rolls 15 is slidably connected on sliding slot 13, is offseted, is rolled at the top of turning rolls 15 and the other end of first connecting rod 14
It is fixedly connected with pull rod 17 on wheel carrier 15, second back-moving spring 16 is arranged on pull rod 17；
It is furthermore preferred that slot 4 uses cylindrical structure, cylindrical structure to be inserted into convenient for cooperation input head 9.
Further, snap ring 21, the first fixture block 6 and the second fixture block 10 position corresponding with snap ring 21 are arranged on input head 9
The card slot offered with 21 area equation of snap ring is set, this structure can make engaging even closer；
Further, accommodating groove is offered in turning rolls 15, third resetting spring 18 is installed in accommodating groove, and third resets
Spring 18 is fixedly connected with link block 19, and idler wheel 20 is equipped on link block 19, this structure can realize the reduction fortune of turning rolls 15
It is dynamic, so that it is used the upper end for being pressed on first connecting rod 14.
Input head 9 in the utility model, interface 3, output line 2 and switching circuit board operation principle and connection type be
The prior art, details are not described herein again.
When the utility model is used, pull rod 17 is pulled with hand, pull rod 17 pulls turning rolls 15 to move, due in turning rolls 15
Third resetting spring 18 is installed, turning rolls 15 can drive first connecting rod 14 to move after moving, first connecting rod 14 is according to lever original
Reason pulls second connecting rod 11 to move, and second connecting rod 11 drives the second fixture block 10 to move after moving, and can be inserted into input head 9 insert at this time
In slot 4, subsequently inputs first 9 and compress the decline of the first fixture block 6, after head 9 to be entered is fully inserted into, the first fixture block 6 resets bullet first
Input head 9 is resisted under the resilient force of spring 8.
The preferable specific implementation mode of the above, only the utility model, but the scope of protection of the utility model is not
Be confined to this, any one skilled in the art within the technical scope disclosed by the utility model, according to this practicality
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (5)
1. a kind of communication test crossover sub equipment, including input head（9）, interface（3）, switching device shell（1）Connect therewith
The output line connect（2）, the input head（9）And interface（3）Mating connection, the switching device shell（1）Switching is inside installed
Circuit board, the interface（3）And output line（2）It is electrically connected respectively with switching circuit board, which is characterized in that the switching device shell
Body（1）On offer slot（4）, the slot（4）Interface is inside installed（3）, and interface（3）It is electrically connected with switching circuit board,
The slot（4）The other end offer the first cavity（5）, the slot（4）One end offer the second cavity（12）, described
First cavity（5）(the first back-moving spring is inside installed（8）, the (the first back-moving spring（8）On be fixedly connected with gag lever post（7）,
The slot（4）Inside it is arranged with the first fixture block（6）With the second fixture block（10）, first fixture block（6）With the second fixture block（10）
Common engaging has input head（9）, the gag lever post（7）Through the first cavity（5）Extend to slot（4）It is interior and with the first fixture block
（6）It is fixedly connected, second cavity（12）It is interior to be equipped with first connecting rod（14）, the first connecting rod（14）Middle part rotation connection
In the second cavity（12）Inner wall on, the first connecting rod（14）One end be rotatably connected to second connecting rod（11）, described second
Connecting rod（11）Extend to slot（4）It is interior and with the second fixture block（10）It is fixedly connected, second cavity（12）It is interior to be equipped with turning rolls
（15）, and turning rolls（15）It is slidably connected at the second cavity（12）Inner roof wall on, the turning rolls（15）With first connecting rod
（14）The other end at the top of offset, the turning rolls（15）On be fixedly connected with pull rod（17）, the pull rod（17）On be arranged with
Second back-moving spring（16）.
2. a kind of communication test crossover sub equipment according to claim 1, which is characterized in that second cavity（12）
Inner roof wall on offer sliding slot（13）, the turning rolls（15）It is slidably connected at sliding slot（13）On.
3. a kind of communication test crossover sub equipment according to claim 1, which is characterized in that the input head（9）On
It is arranged with snap ring（21）, first fixture block（6）With the second fixture block（10）With snap ring（21）Corresponding position offers and snap ring
（21）The card slot of area equation.
4. a kind of communication test crossover sub equipment according to claim 1, which is characterized in that the turning rolls（15）It is interior
Accommodating groove is offered, third resetting spring is installed in the accommodating groove（18）, the third resetting spring（18）It is fixedly connected
There is link block（19）, the link block（19）On idler wheel is installed（20）.
5. a kind of communication test crossover sub equipment according to claim 1, which is characterized in that the slot（4）Using
Cylindrical structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820268696.XU CN207925844U (en) | 2018-02-25 | 2018-02-25 | A kind of communication test crossover sub equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820268696.XU CN207925844U (en) | 2018-02-25 | 2018-02-25 | A kind of communication test crossover sub equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925844U true CN207925844U (en) | 2018-09-28 |
Family
ID=63601484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820268696.XU Expired - Fee Related CN207925844U (en) | 2018-02-25 | 2018-02-25 | A kind of communication test crossover sub equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207925844U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820524A (en) * | 2021-09-10 | 2021-12-21 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
-
2018
- 2018-02-25 CN CN201820268696.XU patent/CN207925844U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113820524A (en) * | 2021-09-10 | 2021-12-21 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
| CN113820524B (en) * | 2021-09-10 | 2024-04-09 | 贵州电网有限责任公司 | Electric energy meter interface conversion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20180928 Termination date: 20190225 |