CN208849429U - A kind of shielded cable anticreep fixing head - Google Patents
A kind of shielded cable anticreep fixing head Download PDFInfo
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- CN208849429U CN208849429U CN201821451071.3U CN201821451071U CN208849429U CN 208849429 U CN208849429 U CN 208849429U CN 201821451071 U CN201821451071 U CN 201821451071U CN 208849429 U CN208849429 U CN 208849429U
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- shielding spring
- elastic slice
- annular
- fixing head
- cable
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Abstract
The utility model discloses a kind of shielded cable anticreep fixing head, including main body tube, the annular groove being opened on the main body inside pipe wall, be connected in the annular groove and along the shielding spring of its circumferential direction distribution, be installed on annular elastic slice inside the shielding spring and for being brought to abutment against on the annular groove bottom surface, notch is provided in the circumferential direction of the annular elastic slice, and the annular elastic slice keeps circumferential pretightning force in the shielding spring.The annular elastic slice has elasticity, during being installed to shielding spring inside, annular elastic slice is bent, is compressed, with elastic potential energy, when it is installed successfully inside shielding spring, elastic potential energy release a part expands outwardly inside shielding spring, to be resisted against on the bottom surface of annular groove so that the circumferential side wall of shielding spring compresses always to certain preload pressure is kept in the circumferential direction of shielding spring.Can so shielding spring be effectively prevent to fall off, while expand and adaptation range is installed to the diameter dimension of cable.
Description
Technical field
The utility model relates to field of cable technology, in particular to a kind of shielded cable anticreep fixing head.
Background technique
With the development of 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..
Cable often requires to use fixing head when being connected with electrical equipment.Shielding bullet is typically provided in cable fixing head
Spring, while cable itself surface layer is generally also equipped with shielded layer.When cable is matched with fixing head, the shielded layer of cable surface
It needs to be in close contact with the shielding spring in fixing head, power circuit is formed, to shield the interference of external electromagnetic signal.Existing
In technology, shielding spring is generally connected in the groove in cable fixing head, when wearing cable in cable fixing head, in elasticity
Make shielding spring toward compressing on the inner wall of cable fixing head under the action of power, guarantees clamping stability.But when needing to fix
Cable diameter dimension it is larger when, for example when 100mm or more, the radial dimension accounting of shielding spring is very big, and height gauge
Very little accounting is but very small, and in such cases, the upper and lower ends of shielding spring substantially contract with the clamping degree of cable fixing head inner wall
Small, clamping stability substantially weakens, and in interspersed large-diameter cable, is very easy to make shielding spring from cable fixing head inner wall
Card slot in deviate from.
Therefore, how to expand cable fixing head and adaptation range is installed to the diameter dimension of cable, prevent shielding spring in electricity
It falls off in the inserting process of cable, is 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 shielded cable anticreep fixing heads, can expand the diameter dimension to cable
Adaptation range is installed, prevents shielding spring from falling off in the inserting process of cable.
In order to solve the above technical problems, the utility model provides a kind of shielded cable anticreep fixing head, including main body tube, open
Annular groove on the main body inside pipe wall is connected in the annular groove and along the shielding spring of its circumferential direction distribution, installation
Annular elastic slice inside the shielding spring and for being brought to abutment against on the annular groove bottom surface, the circumferential direction of the annular elastic slice
Upper setting is jagged, and the annular elastic slice keeps circumferential pretightning force in the shielding spring.
Preferably, the shielding spring includes that several interconnections circlewise and are prolonged towards the axle center of the main body tube
The triangle frame of pre-determined distance is stretched, and the elastic deformation direction of the shielding spring is the radial direction of the main body tube.
Preferably, the bottom surface both side of the annular groove offers the arc groove of indent, and the top of the shielding spring and
Bottom end is the fillet with arc groove cooperation.
Preferably, the annular elastic slice of multiple overlappings is installed simultaneously in the shielding spring.
Preferably, each annular elastomeric on piece offers several lightening holes along its length.
Preferably, each annular elastic slice is vulcanie piece.
Shielded cable anticreep fixing head provided by the utility model mainly includes main body tube, annular groove, shielding spring and ring
Shape elastic slice.Wherein, main body tube is the main structure of shielded cable anticreep fixing head (hereinafter referred to as " cable fixing head "), be can be used as
Benchmark installs remaining components.A ring slot is offered on the inner wall of main body tube, which is mainly used for installing shielding spring.
The shielding spring is connected in annular groove, and along the circumferential direction of annular groove be distributed, act on it is same as the prior art, be with
The shielded layer of cable is in contact, and to form power circuit, realizes effectiveness to cable.Annular elastic slice is core component,
It is mounted on inside shielding spring, same annular in shape, but notch is provided in the circumferential direction of annular elastic slice, while the annular elastic slice
With elasticity, during being installed to shielding spring inside, annular elastic slice is bent, is compressed, and has elastic potential energy, when it
When installing successfully inside shielding spring, elastic potential energy release a part is expanded outwardly inside shielding spring, thus to screen
It covers and keeps certain preload pressure in the circumferential direction of spring, so that the circumferential side wall compression of shielding spring is resisted against on the bottom surface of annular groove.
In this way, shielded cable anticreep fixing head provided by the utility model, when interting cable in cable fixing head, even if cable
Diameter it is very big, can also be acted on during interspersed due to the circumferential preload pressure of annular elastic slice, be always ensured that shielding spring
It is pressed on the bottom surface of annular groove, so that shielding spring be effectively prevent to fall off, while expanding that the diameter dimension of cable is installed and adapting to
Range.
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 specific structure cross-sectional view of main body tube shown in Fig. 1.
Fig. 3 is the concrete structure schematic diagram of shielding spring shown in Fig. 1.
Fig. 4 is the concrete structure schematic diagram of annular elastic slice shown in Fig. 1.
Wherein, in Fig. 1-Fig. 4:
Main body tube -1, annular groove -2, arc groove -201, shielding spring -3, fillet -301, annular elastic slice -4 lack
Mouth -401.
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.
Referring to FIG. 1, Fig. 1 is a kind of overall structure diagram of specific embodiment provided by the utility model.
In a kind of specific embodiment provided by the utility model, shielded cable anticreep fixing head mainly includes main body
Pipe 1, annular groove 2, shielding spring 3 and annular elastic slice 4.
Wherein, main body tube 1 is the main structure of shielded cable anticreep fixing head (hereinafter referred to as " cable fixing head "), can be made
On the basis of remaining components is installed.A ring slot 2 is offered on the inner wall of main body tube 1, which is mainly used for installation shielding
Spring 3.
Shielding spring 3 is connected in annular groove 2, and is distributed along the circumferential direction of annular groove 2, effect and prior art phase
Together, it is to be in contact with the shielded layer of cable, to form power circuit, effectiveness is realized to cable.
Annular elastic slice 4 is core component, is mounted on inside shielding spring 3, same annular in shape, but in annular elastic slice 4
Notch 401 is provided in circumferential direction, while the annular elastic slice 4 has elasticity, during being installed to 3 inside of shielding spring, ring
Shape elastic slice 4 is bent, is compressed, and has elastic potential energy, when it is installed successfully inside shielding spring 3, elastic potential energy is released
A part is put, is expanded outwardly inside shielding spring 3, thus to certain preload pressure is kept in the circumferential direction of shielding spring 3, so that
The circumferential side wall compression of shielding spring 3 is resisted against on the bottom surface of annular groove 2.
In this way, shielded cable anticreep fixing head provided by the present embodiment, when interting cable in cable fixing head, i.e.,
Keep the diameter of cable very big, can also be acted on during interspersed due to the circumferential preload pressure of annular elastic slice 4, be always ensured that screen
It covers spring 3 to be pressed on the bottom surface of annular groove 2, so that shielding spring 3 be effectively prevent to fall off, while expanding the diameter dimension to cable
Adaptation range is installed.
As shown in figure 3, Fig. 3 is the concrete structure schematic diagram of shielding spring shown in Fig. 1.
In a kind of preferred embodiment about shielding spring 3, which mainly includes several interconnections
Triangle frame circlewise.Specifically, each triangle frame all has elasticity, and pipe 1 based on its elastic telescopic direction
It is radial.Each triangle frame stacks mutually along 2 inner wall of annular groove of main body tube 1, and the tip (apex angle) of each triangle frame is equal
Towards the axle center of main body tube 1, which is mainly used for being in contact with each inner core shielded layer in battery core.In this way, when cable from
When entrance is interted in one end of main body tube 1, the outer wall of cable abuts against the tip of each triangle frame with shielding spring 3, makes
It obtains each triangle frame edge respectively radially outward to shrink, and is squeezed mutually with the outer wall of cable.
As shown in Fig. 2, Fig. 2 is the specific structure cross-sectional view of main body tube shown in Fig. 1.
To improve the connective stability between shielding spring 3 and annular groove 2, the present embodiment is in the bottom surface both side position of annular groove 2
The arc groove 201 to concave has been opened up, while the top of shielding spring 3 and bottom end are disposed as fillet 301, the fillet
301 radian is identical as the radian of arc groove 201, can suitably be installed into arc groove 201.In this way, right by arc groove 201
The clamping installation of the fillet 301 of shielding spring 3 acts on, and improves the mounting stability between shielding spring 3 and annular groove 2.
In addition, in order to further increase annular elastic slice 4 to the pressing force of shielding spring 3, in the present embodiment, in shielding spring
3 inside are mounted with multiple annular elastic slices 4, such as 2~4 etc. simultaneously.To avoid multiple annular elastic slices 4 mutual in shielding spring 3
Interference, each annular elastic slice 4 can be overlapped each other, be crimped.So set, by passing through the multiple rings of setting in shielding spring 3
Shape elastic slice 4 can effectively improve pressing force and circumferential pretightning force to shielding spring 3.
Further, it is contemplated that when the installation number of annular elastic slice 4 is more, the quality of shielding spring 3 is larger, and then leads
Cause the total quality of cable fixing head also larger, to realize loss of weight design, the present embodiment is provided with several on annular elastic slice 4
Lightening hole, such as 4~8 etc..In general, each lightening hole can carry out along the length direction (or circumferential) of annular elastic slice 4
It is even to open up.Certainly, each lightening hole opens up the structural strength and elastic deformation performance for having no effect on annular elastic slice 4 itself.
As shown in figure 4, Fig. 4 is the concrete structure schematic diagram of annular elastic slice shown in Fig. 1.
In a kind of preferred embodiment about annular elastic slice 4, the annular elastic slice 4 concretely vulcanie piece, such as
This can be convenient operator and annular elastic slice 4 be installed into shielding spring 3, while the insulation of the annular elastic slice 4 of rubber material
Performance is very strong, can avoid impacting the galvanic circle of shielding spring 3.Certainly, it the specific material of annular elastic slice 4 and not only limits
It can similarly be used in the structure of vulcanie, remaining the such as painting such as steel piece insulating layer coating.
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 (6)
1. a kind of shielded cable anticreep fixing head, which is characterized in that including main body tube (1), be opened in the main body tube (1) inner wall
On annular groove (2), be connected in the annular groove (2) and along the shielding spring (3) of its circumferential direction distribution, be installed on the shielding
Spring (3) inside and the annular elastic slice (4) for being brought to abutment against on the annular groove (2) bottom surface, the week of the annular elastic slice (4)
It sets up jagged (401), and the annular elastic slice (4) keeps circumferential pretightning force in the shielding spring (3).
2. shielded cable anticreep fixing head according to claim 1, which is characterized in that the shielding spring (3) is if include
Dry interconnects the triangle frame for circlewise and extending pre-determined distance towards the axle center of the main body tube (1), and the screen
The elastic deformation direction for covering spring (3) is the radial direction of the main body tube (1).
3. shielded cable anticreep fixing head according to claim 2, which is characterized in that the bottom surface both side of the annular groove (2)
The arc groove (201) of indent is offered, and the top of the shielding spring (3) and bottom end are and the arc groove (201)
The fillet (301) of cooperation.
4. shielded cable anticreep fixing head according to claim 3, which is characterized in that in the shielding spring (3) simultaneously
The annular elastic slice (4) of multiple overlappings is installed.
5. shielded cable anticreep fixing head according to claim 4, which is characterized in that edge on each annular elastic slice (4)
Its length direction offers several lightening holes.
6. shielded cable anticreep fixing head according to claim 5, which is characterized in that each annular elastic slice (4) is
Vulcanie piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451071.3U CN208849429U (en) | 2018-09-05 | 2018-09-05 | A kind of shielded cable anticreep fixing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821451071.3U CN208849429U (en) | 2018-09-05 | 2018-09-05 | A kind of shielded cable anticreep fixing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208849429U true CN208849429U (en) | 2019-05-10 |
Family
ID=66372137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821451071.3U Active CN208849429U (en) | 2018-09-05 | 2018-09-05 | A kind of shielded cable anticreep fixing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208849429U (en) |
-
2018
- 2018-09-05 CN CN201821451071.3U patent/CN208849429U/en active Active
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