CN208820114U - A kind of coaxial anti-rotation fixing head of track traffic signal cable - Google Patents
A kind of coaxial anti-rotation fixing head of track traffic signal cable Download PDFInfo
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- CN208820114U CN208820114U CN201821451030.4U CN201821451030U CN208820114U CN 208820114 U CN208820114 U CN 208820114U CN 201821451030 U CN201821451030 U CN 201821451030U CN 208820114 U CN208820114 U CN 208820114U
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- insulation layer
- body tube
- press ring
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Abstract
The utility model discloses a kind of coaxial anti-rotation fixing head of track traffic signal cable, including for interting cable main body tube, be removably set on the end of the main body tube and screw pipe for intert external insulation layer, and it is screwed described in being set in pipe, the outer press ring for clamping the external insulation layer from circumferential direction in its screwing operations, it is provided with several clip-connecting rods in the peripheral outer wall of the outer press ring, and is provided on the inner wall of the main body tube for forming the clamping groove being engaged by clamping with each clip-connecting rod.Cable is interted by main body tube first, then movement is screwed on main body tube by rotating pipe, so that internal outer press ring gradually clamps external insulation layer from circumferential direction, recycle the clamping engagement of the clip-connecting rod in outer press ring peripheral outer wall and the clamping groove in main body tube inner circumferential wall, it realizes and the freedom degree that outer press ring rotates in a circumferential direction is limited, to prevent external insulation layer from being rotated by external force, guarantee to be steadily contacted and be stably connected with.
Description
Technical field
The utility model relates to technical field of cables, in particular to a kind of coaxial anti-rotation of track traffic signal cable is fixed
Head.
Background technique
With the development with power engineering, more and more electric power facilities have come into operation.
In urban electric power network, often interconnected using cable between electric power facility.Cable be usually by several or
The cable for the similar rope that several groups of conducting wires (every group at least two) are twisted, mutually insulated between every group of conducting wire, and often surround
A center be twisted into, entire outside is surrounded by the coating of high-insulation.Cable has interior energization, the feature of external insulation.Cable
Classification have power cable, control cable, compensating cable, shielded cable, high-temperature cable, computer cable, signal cable, coaxial
Cable, fire-resisting cable, cable for ship, mine cable, aluminium alloy cable etc..
In rail traffic, need to realize real-time communication using large number of signal lines cable, signal cable generally comprises two
Divide, i.e. the cable (cable core) of the external insulation layer of outer layer and internal layer.Such signal cable is used in access rail traffic vehicles or ground
When electric equipment, need to come using coaxial cable fixing head the end of fixed signal cable, so as to simultaneously fixed cable and external insulation
Layer.Conventionally, as structure defect itself, is limited by whole height, coaxial cable fixing head and signal cable
The contact surface of end is limited, and the clamping force of the cable of external insulation layer and internal layer to outer layer is smaller, is easy to cause signal cable
After fixing with the interspersed cooperation of coaxial cable fixing head, rotation, torsion phenomenon are still had when external insulation layer is by external force, so
It is easy to cause poor contact, connection the consequences such as to fall off.
Therefore, it how after the end with signal cable forms interspersed cooperation, prevents external insulation layer from being rotated by external force, guarantees
It is steadily contacted and is stably connected with, be those skilled in the art's technical problem urgently to be resolved.
Utility model content
The purpose of the utility model is to provide a kind of coaxial anti-rotation fixing head of track traffic signal cable, can with signal
It after the end of cable forms interspersed cooperation, prevents external insulation layer from being rotated by external force, guarantees to be steadily contacted and be stably connected with.
In order to solve the above technical problems, the utility model provides a kind of coaxial anti-rotation fixing head of track traffic signal cable,
Including for interting cable main body tube, be removably set on the end of the main body tube and for interting external insulation layer
Pipe is screwed, and is set to described screw in pipe, for clamping the outer of the external insulation layer from circumferential direction in its screwing operations
Pressure ring is provided with several clip-connecting rods in the peripheral outer wall of the outer press ring, and is provided with and is used on the inner wall of the main body tube
The clamping groove being engaged by clamping is formed with each clip-connecting rod.
Preferably, 4~8 clip-connecting rods are provided in the peripheral outer wall of the outer press ring, and each clip-connecting rod exists
It is uniformly distributed in the circumferential direction of the outer press ring.
Preferably, the annular groove that several invaginations are offered in the inner circumferential wall of the outer press ring, for compressing outside described
So that its surface layer is recessed when insulating layer and clamps.
It preferably, further include being set in the main body tube, for clamping the cable and supporting the external insulation layer
The interior pushing out ring of inner wall.
Preferably, spiral shell of several circles for screwing the inner wall of the external insulation layer is provided on the outer wall of the interior pushing out ring
Tooth.
Preferably, the inside for screwing pipe is additionally provided with the sealing ring for compressing the outer press ring, and the sealing
The outer wall of circle presses with the inner wall for screwing pipe, and the inner wall of the sealing ring and the outer wall of the outer press ring press.
Preferably, the inside of the main body tube is additionally provided with the gasket around the interior pushing out ring, and the surface of the gasket
For abutting the end of the external insulation layer.
The coaxial anti-rotation fixing head of track traffic signal cable provided by the utility model includes mainly main body tube, screws
Pipe and outer press ring.Wherein, main body tube is mainly used for the lining component in interspersed signal cable, i.e. cable (cable core), and screws pipe
The outer component being mainly used in interspersed signal cable, i.e. external insulation layer.Screw the end that pipe is removably set in main body tube
On, it can screw or unscrew by being rotated on the end of main body tube.Outer press ring setting is mainly used for inside rotation pipe from circumferential direction
The upper outer wall for clamping external insulation layer, and the clamping force of outer press ring is from screwing pipe --- it is gradually revolved on main body tube when screwing pipe
When tight, it is increasing to internal pressure to screw pipe, so that outer press ring gradually clamps external insulation layer.Meanwhile in outer press ring
Peripheral outer wall on be provided with several clip-connecting rods, several clamping grooves are provided on the inner wall of main body tube, on outer press ring
Clip-connecting rod can be formed with the clamping groove on main body tube and is engaged by clamping.Since clip-connecting rod and clamping groove are respectively in outer press ring and main body tube
Circumferential direction on, therefore when the two formed be engaged by clamping when, the freedom degree to rotate in a circumferential direction is limited.Therefore, the utility model is mentioned
The coaxial anti-rotation fixing head of the track traffic signal cable of confession interts cable by main body tube first, then passes through rotation Guan Zhu
Movement is screwed on body pipe, so that internal outer press ring gradually clamps external insulation layer from circumferential direction, recycles outer press ring week outward
The clamping engagement of the clamping groove on clip-connecting rod and main body tube inner circumferential wall on wall, realizes the freedom degree to rotate in a circumferential direction to outer press ring
Limitation guarantees to stablize so as to prevent external insulation layer from being rotated by external force after the end with signal cable forms interspersed cooperation
It contacts and is stably connected with.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of overall structure cross-sectional view of specific embodiment provided by the utility model.
Fig. 2 is the cross-sectional view of outer press ring shown in Fig. 1.
Fig. 3 is the top view of outer press ring shown in Fig. 1.
Fig. 4 is the top view of main body tube shown in Fig. 1.
Fig. 5 is the cross-sectional view of interior pushing out ring shown in Fig. 1.
Fig. 6 is the monnolithic case structural schematic diagram of Fig. 1.
Wherein, in Fig. 1-Fig. 6:
Cable -10, external insulation layer -20, main body tube -1, clamping groove -101 screw pipe -2, outer press ring -3, clamping
Column -301, annular groove -302, interior pushing out ring -4, thread -401, sealing ring -5, gasket -6.
Specific embodiment
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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 and Fig. 6 are please referred to, Fig. 1 is a kind of overall structure section view of specific embodiment provided by the utility model
Figure, Fig. 6 are the monnolithic case structural schematic diagram of Fig. 1.
In a kind of specific embodiment provided by the utility model, the coaxial anti-rotation fixing head of track traffic signal cable
Include mainly main body tube 1, screw pipe 2 and outer press ring 3.
Wherein, main body tube 1 is mainly used for the lining component in interspersed signal cable 10, i.e. cable 10 (cable core), and screws
Pipe 2 is mainly used for the outer component in interspersed signal cable 10, i.e. external insulation layer 20.
It screws pipe 2 to be removably set on the end of main body tube 1, can be screwed on the end by being rotated in main body tube 1
Or it unscrews.The setting of outer press ring 3 is mainly used for clamping the outer wall of external insulation layer 20 from circumferential direction inside rotation pipe, and outer press ring 3
Clamping force from screwing pipe 2 --- when screwing pipe 2 and gradually screwing on main body tube 1, the pressure for screwing 2 pairs of inside of pipe is got over
Come it is bigger so that outer press ring 3 gradually clamps external insulation layer 20.
As shown in Figure 2, Figure 3 and Figure 4, Fig. 2 is the cross-sectional view of outer press ring shown in Fig. 1, and Fig. 3 is outer shown in Fig. 1
The top view of pressure ring, Fig. 4 are the top view of main body tube shown in Fig. 1.
Meanwhile several clip-connecting rods 301 are provided in the peripheral outer wall of outer press ring 3, it is arranged on the inner wall of main body tube 1
There are several clamping grooves 101, the clip-connecting rod 301 on outer press ring 3 can be formed with the clamping groove 101 on main body tube 1 and is engaged by clamping.By
It is respectively engaged by clamping in the circumferential direction of outer press ring 3 and main body tube 1, therefore when the two is formed in clip-connecting rod 301 and clamping groove 101
When, the freedom degree to rotate in a circumferential direction is limited.
Therefore, the coaxial anti-rotation fixing head of track traffic signal cable provided by the present embodiment is worn by main body tube 1 first
Then plug wire cable 10 screws movement on main body tube 1 by rotating pipe, so that internal outer press ring 3 is gradually pressed from both sides from circumferential direction
Tight external insulation layer 20 recycles the clip-connecting rod 301 in 3 peripheral outer wall of outer press ring and the clamping groove 101 in 1 inner circumferential wall of main body tube
Clamping engagement, realize that the freedom degree to rotate in a circumferential direction to outer press ring 3 limits, so as to be formed in the end with signal cable 10
It after interspersed cooperation, prevents external insulation layer 20 from being rotated by external force, guarantees to be steadily contacted and be stably connected with.
In a kind of preferred embodiment about outer press ring 3,4 can be provided with simultaneously in the peripheral outer wall of outer press ring 3
~8 clip-connecting rods 301, and each clip-connecting rod 301 can be uniformly distributed in the circumferential direction of outer press ring 3.Certainly, to cooperate with this,
Need that 4~8 clamping grooves 101 are equally arranged in the inner circumferential wall of main body tube 1, and distribution form in the circumferential need to it is each
Distribution form of the clip-connecting rod 301 on outer press ring 3 is identical.So set, by multiple clip-connecting rods 301 simultaneously with multiple clamping grooves
101 modes matched can effectively improve the circumferential connective stability between outer press ring 3 and main body tube 1, further ensure that outer
Pressure ring 3 can not rotate in a circumferential direction.
It further, is the clamping force for reinforcing 3 External Insulation layer 20 of outer press ring, the present embodiment is inside in the week of outer press ring 3
The annular grooves 302 of several invaginations have been opened up on wall, in this way, when outer press ring 3 screw pipe 2 screw clamp under external pressure effect it is outer
On the surface of insulating layer 20, since the recess of annular groove 302 acts on, the skin portion of external insulation layer 20 can be squeezed into the annular groove
In 302, so that the axial grip effect of 20 epidermis of External Insulation layer is formed, outer press ring 3 itself External Insulation layer 20 in collocation
Circumferential clamping action can further deepen the tightness of 3 External Insulation layer 20 of outer press ring.
Further, bigger pressure, this implementation can be applied in screwing operations to outer press ring 3 by screwing pipe 2 for raising
Example is provided with sealing ring 5 in the inside for screwing pipe 2.The outer wall of the sealing ring 5 abuts and presses with the inner wall for screwing pipe 2, simultaneously
The inner wall of the sealing ring 5 abuts and presses with the outer wall of outer press ring 3, and sealing ring 5 itself has elasticity, is installed to after screwing pipe 2,
Certain pretightning force can be kept, that is, there is certain elastic potential energy.In this way, being screwed when screwing pipe 2 and gradually being screwed on main body tube 1
Pipe 2 gradually compresses sealing ring 5, forces the gradually radial contraction of sealing ring 5, and then compress outer press ring 3.
As shown in figure 5, Fig. 5 is the cross-sectional view of interior pushing out ring shown in Fig. 1.
Furthermore, it is contemplated that internal cable 10 also needs to further increase fastening stabilization while fixed external insulation layer 20
Property, for this purpose, the present embodiment is additionally arranged interior pushing out ring 4 in main body tube 1.Specifically, the inner wall of the interior pushing out ring 4 is for interting cable
10, and clamped, and the outer wall of interior pushing out ring 4 and the inner wall of external insulation layer 20 abut against, the inner wall of External Insulation layer 20 is formed
Support effect.In this way, interior pushing out ring 4 and outer press ring 3 are when External Insulation layer 20 is fixed simultaneously, it can be achieved that " inner support " and " external pressure "
Two-layer effect, improve External Insulation layer 20 fastening effect.
For further increase interior 4 External Insulation layer 20 of pushing out ring inner wall support effect and fastening effect, the present embodiment exists
Several circle threads 401 are provided on the outer wall of interior pushing out ring 4.When the inner wall of interior pushing out ring 4 clamps cable 10, the outer wall of interior pushing out ring 4
Support the inner wall of external insulation layer 20, and when screwing pipe 2 and gradually screwing, outer press ring 3 is inwardly compressed, so that interior pushing out ring 4
It is gradually compressed with the inner wall of external insulation layer 20, at this time by the effect of thread 401, may make the inner wall epidermis of external insulation layer 20 embedding
Enter into the recess of two adjacent rings thread 401, to form the clamping action of the inner wall of External Insulation layer 20, improves fastening journey
Degree.
Furthermore, it is contemplated that the end of signal cable 10 is interted into main body tube 1, for the influence of end effect for avoiding external insulation layer 20
The installation of internal structure, the present embodiment are additionally arranged gasket 6 in the inside of main body tube 1.The gasket 6 is generally annular, can be around set
It is located in the peripheral outer wall of interior pushing out ring 4.In this way, the distal end faces of external insulation layer 20 can be connected on the surface of the gasket 6, it is right
Limit and positioning action are played in the fastening installation of external insulation layer 20.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (7)
1. a kind of coaxial anti-rotation fixing head of track traffic signal cable, which is characterized in that including the master for interting cable (10)
Body pipe (1) is removably set on the end of the main body tube (1) and screws pipe (2) for intert external insulation layer (20),
And it is set to described screw in pipe (2), for clamping the outer of the external insulation layer (20) from circumferential direction in its screwing operations
Pressure ring (3) is provided with several clip-connecting rods (301) in the peripheral outer wall of the outer press ring (3), and the main body tube (1) is interior
It is provided on wall for forming the clamping groove (101) being engaged by clamping with each clip-connecting rod (301).
2. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 1, which is characterized in that the outer press ring
(3) 4~8 clip-connecting rods (301) are provided in peripheral outer wall, and each clip-connecting rod (301) is in the outer press ring (3)
Circumferential direction on be uniformly distributed.
3. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 2, which is characterized in that the outer press ring
(3) annular groove (302) that several invaginations are offered in inner circumferential wall, for making its table when compressing external insulation layer (20)
Layer is recessed and clamps.
4. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 3, which is characterized in that further include setting
The interior pushing out ring of inner wall interior in the main body tube (1), for clamping the cable (10) and supporting the external insulation layer (20)
(4)。
5. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 4, which is characterized in that the interior pushing out ring
(4) thread (401) of several circles for screwing the inner wall of the external insulation layer (20) is provided on outer wall.
6. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 5, which is characterized in that described to screw pipe
(2) inside is additionally provided with the sealing ring (5) for compressing the outer press ring (3), and the outer wall of the sealing ring (5) with it is described
The inner wall for screwing pipe (2) presses, and the outer wall of the inner wall and the outer press ring (3) of the sealing ring (5) presses.
7. the coaxial anti-rotation fixing head of track traffic signal cable according to claim 6, which is characterized in that the main body tube
(1) inside is additionally provided with the gasket (6) around the interior pushing out ring (4), and the surface of the gasket (6) is described outer for abutting
The end of insulating layer (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451030.4U CN208820114U (en) | 2018-09-05 | 2018-09-05 | A kind of coaxial anti-rotation fixing head of track traffic signal cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451030.4U CN208820114U (en) | 2018-09-05 | 2018-09-05 | A kind of coaxial anti-rotation fixing head of track traffic signal cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208820114U true CN208820114U (en) | 2019-05-03 |
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ID=66276043
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821451030.4U Active CN208820114U (en) | 2018-09-05 | 2018-09-05 | A kind of coaxial anti-rotation fixing head of track traffic signal cable |
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|---|---|
| CN (1) | CN208820114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503444A (en) * | 2021-09-07 | 2021-10-15 | 山东艾琳智能科技有限公司 | Imaging device convenient to installation is dismantled |
-
2018
- 2018-09-05 CN CN201821451030.4U patent/CN208820114U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113503444A (en) * | 2021-09-07 | 2021-10-15 | 山东艾琳智能科技有限公司 | Imaging device convenient to installation is dismantled |
| CN113503444B (en) * | 2021-09-07 | 2021-11-12 | 山东艾琳智能科技有限公司 | Imaging device convenient to installation is dismantled |
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