CN205070385U - Quick locking, two O type sealing ring structure's of integral type cable entry - Google Patents
Quick locking, two O type sealing ring structure's of integral type cable entry Download PDFInfo
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- CN205070385U CN205070385U CN201520894331.4U CN201520894331U CN205070385U CN 205070385 U CN205070385 U CN 205070385U CN 201520894331 U CN201520894331 U CN 201520894331U CN 205070385 U CN205070385 U CN 205070385U
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- cable entry
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Abstract
The utility model discloses a quick locking, two O type sealing ring structure's of integral type cable entry, it includes front end body subassembly, clamp ring, sealing member, compresses tightly the nut, the sealing member sets up in the inside of front end body subassembly, the clamp ring sets up in the top of sealing member, the lower part of clamp ring is fixed in in the shrinkage cavity of front end body subassembly rear end in advance, the sealing member surface is provided with the dual -cavity, and is equipped with the biconvex muscle on the internal surface that corresponds with the dual -cavity, it is the type of falling U to compress tightly the nut, when locking, the rotation compresses tightly the nut, compresses tightly nut and clamp ring top contact simultaneously to the compression sealing member leads to the dual -cavity compressing deformation behind the pressurized, make the biconvex muscle hold the cable tightly. The utility model discloses simple structure, simple to operate, the waterproof sealing performance is good, can avoid not hard up, the seal failure scheduling problem of cable, long service life.
Description
Technical field
The utility model relates to a kind of cable entry, particularly relates to one and can realize quick locking cable, the cable entry of two O RunddichtringO (i.e. O-ring is also the O type circle) structure of integral type.
Background technology
In the control cabinet/cabinet such as communication, instrument and meter, usually need the power supply of outside or signal to be incorporated into box house by electric wire or cable, and then feed back to user; In order to ensure the seal request of whole control cubicle and prevent the drawing of external cable from having an impact to the electrical connection of box house element with rotation, generally adopt cable entry at present, it can ensure the integral sealing requirement of casing, again can clamping cables, prevent external stress from having an impact to the electrical connection of electric component in case.
As shown in Figure 1, this cable entry comprises front end body 1 ', intermediate seal assembly 3 ' (seal and plastics pawl), rear end clamping nut 4 ' to current existing normal cable introducing device; Intermediate seal assembly 3 ' is put in front end body 1 ', by the inclined-plane that rear end clamping nut 4 ' is interior, plastics pawl in intermediate seal assembly 3 ' is inside contracted; Thus make seal hold cable tightly, reach the sealing between seal and cable; And the sealing between plastics pawl and front end body, front end body and the plastics pawl caulking groove hermetically-sealed construction of adopting in existing patent more, as shown in Figure 2.
The drawback that this cable entry mainly exists have following some:
1. the sealing between seal and cable, the sealing between seal and plastics pawl and the sealing between plastics pawl and front end body all mainly rely on stressed, distortion of plastics pawl etc. to realize, and are all once sealings, so seal failure risk is larger;
2. plastics pawl easily produces plastic deformation in stressed, deformation process, causes cable seal to lose efficacy.Generally for the sealing guaranteeing minimum wire diameter cable, the shrinkage deformation of plastics pawl is larger; But when working temperature is higher, plastics pawl easily produces plastic deformation, thus causes cable seal to lose efficacy;
3. the caulking groove hermetically-sealed construction between plastics pawl and front end body is processed more difficult, technique and is comparatively difficult to ensure card, thus causes that production efficiency is lower, production cost is higher;
4. intermediate seal assembly, i.e. seal and plastics pawl, and cannot pre-fix between front end body, easily lose during installation, maintenance.
Utility model content
In order to solve above-mentioned problems of the prior art, the purpose of this utility model is the cable entry providing the two O RunddichtringO structure of a kind of quick locking, integral type, its structure is simple, easy for installation, waterproof sealing performance is good, the problems such as cable loosens, seal failure can be avoided, long service life.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
The cable entry of the two O RunddichtringO structure of a kind of quick locking, integral type, it comprises front end body assembly, hold-down ring, seal, clamping nut, described seal is arranged at the inside of front end body assembly, described hold-down ring is arranged at the top of seal, and the bottom of described hold-down ring pre-fixes in the shrinkage cavity of front end body assembly rear end; Described seal outer surface is provided with dual-cavity, and the inner surface corresponding with dual-cavity is provided with biconvex muscle; Described clamping nut is inverted U; When locked, rotatably compress nut, simultaneously clamping nut and hold-down ring top contact, and compressive seal, cause dual-cavity compression after seal pressurized, make biconvex muscle hold cable tightly.
As one of preferred version of the present utility model, described clamping nut internal upper part is provided with a step surface.
Preferably, the top of described hold-down ring is the end face of a level.
Further, when locked, the step surface in clamping nut and the end contact of hold-down ring, and compressive seal.
As one of preferred version of the present utility model, the outer surface of described front end body assembly is provided with a plurality of rivet, and those rivets are uniformly distributed in the surrounding of front end body assembly.
Further, the inner wall lower of described clamping nut offers helicla flute, and described spiral fluted afterbody is provided with spacing hole.
Preferred, the outer surface of described front end body assembly is provided with three rivets.
One of preferably, the bottom of described hold-down ring is provided with guiding surface or screw thread, is threaded connection or riveting connects and pre-fixes in shrinkage cavity.
Preferably, dual-cavity is V-type or U-shaped.
Preferably, described seal is made up of elastomeric material, and described front end body assembly, hold-down ring and clamping nut are made of metal.
Compared with prior art, the beneficial effects of the utility model are:
1. design double sealing structure, there is efficient, lasting waterproof sealing performance;
2. structure is simple, easy for installation, does not need special tool(s) (torque spanner) and professional, greatly saves the set-up time;
3., by design spacing hole, there is limit function, thus prevent cable by overtighten problem;
4. there is locking functions, make rivet be fixed in spacing hole by the elastic force of seal, the problems such as cable loosens, seal failure can be avoided;
5. the utility model is without working of plastics, improves useful life;
6. only have front end body assembly and clamping nut to rent part for movable, effectively prevent dropping or losing of parts in installation process.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model architectural feature and technical essential, below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Fig. 1 is the structural representation of cable entry in prior art;
Fig. 2 is the schematic diagram of the caulking groove hermetically-sealed construction of front end body and plastics pawl in prior art;
Fig. 3 is the structural representation of cable entry of quick locking disclosed in the utility model, the two O RunddichtringO structure of integral type;
Fig. 4 is the structural representation of front end body assembly;
Fig. 5 is the structural representation of seal and hold-down ring;
Fig. 6 is the structural representation of clamping nut;
Fig. 7 is application state schematic diagram of the present utility model.
Description of reference numerals: 1 '-front end body, 3 '-black box, 4 '-clamping nut, 1-front end body assembly, 11-rivet, 12-shrinkage cavity, 2-hold-down ring, 21-guiding surface, 22-end face, 3-seal, 31-dual-cavity, 32-biconvex muscle, 4-clamping nut, 41-helicla flute, 42-spacing hole, 43-step surface, 5-cable.
Embodiment
Below in conjunction with the accompanying drawing in the present embodiment, carry out specifically, clearly and completely describing to the technical scheme in embodiment.
Shown in Figure 3, for a kind of quick locking of the present embodiment, the cable entry of the two O RunddichtringO structure of integral type, it comprises front end body assembly 1, hold-down ring 2, seal 3, clamping nut 4, and described seal 3 is arranged at the inside of front end body assembly 1.Described seal 3 is made up of elastomeric material, and described front end body assembly 1, hold-down ring 2 are made of metal with clamping nut 4, without working of plastics, improve useful life.
As shown in Figure 4, the outer surface of described front end body assembly 1 is provided with a plurality of rivet 11, and those rivets 11 are uniformly distributed in the surrounding of front end body assembly 1, preferably, can arrange three rivets.The rear end of front end body assembly 1 is provided with a shrinkage cavity 12.
Shown in Figure 5, described hold-down ring 2 is arranged at the top of seal 3, and the bottom of described hold-down ring 2 can arrange other modes such as guiding surface 21 or screw thread, be threaded connection or riveting connect pre-fix in the shrinkage cavity 12 of front end body assembly 1 rear end.The top of described hold-down ring 2 is the end face 22 of a level.
Described seal 3 outer surface is provided with dual-cavity 31, and described dual-cavity 31 is V-type or U-shaped, and the inner surface corresponding with dual-cavity 31 is provided with biconvex muscle 32, and design double sealing structure, has efficient, lasting waterproof sealing performance.
Shown in Figure 6, described clamping nut 4 is inverted U, its inner wall lower offers helicla flute 41, the afterbody of described helicla flute 41 is provided with spacing hole 42, when locked, rotatably compress nut 4, rivet 11 is arranged in spacing hole 42 along helicla flute 41 system, make it have limit function, thus prevent cable by overtighten problem; On the other hand, make rivet 11 be fixed in spacing hole 42 by the elastic force of seal 3, the problems such as cable loosens, seal failure can be avoided, there is locking functions.Described clamping nut 4 internal upper part is provided with a step surface 43, and it contacts with the end face 22 at hold-down ring 2 top, and compressive seal 2, cause dual-cavity 31 compression after seal 2 pressurized, make biconvex muscle 32 hold cable 5 tightly.
Shown in Figure 7, for the application state schematic diagram of the present embodiment, its operation principle is: during use, and first seal 3 is contained in front end body assembly 1 li in advance, hold-down ring 2 pre-fixes in the shrinkage cavity 12 of front end body assembly 1 rear end by fit systems such as screw thread/interference; Rotate 1/3 circle clamping nut 4, rivet 11 on front end body assembly 1 is along the helicla flute 41 in clamping nut 4, system is arranged in spacing hole 42, step surface 43 simultaneously in clamping nut 4 and the end face 22 on hold-down ring 2 top, make its compressive seal 3, cause double-H groove weld/V groove 31 compression after seal 3 pressurized, make biconvex muscle 32 hold cable 5 tightly; Thus form the hermetically-sealed construction of two O RunddichtringO, there is good sealing function.
In sum, the present embodiment structure is simple, easy for installation, does not need special tool(s) (torque spanner) and professional, greatly saves the set-up time; Waterproof sealing performance is good, can avoid the problems such as cable loosens, seal failure, long service life.
Above-mentioned embodiment; be only and technical conceive of the present utility model and architectural feature are described; object is to allow the stakeholder being familiar with technique implement according to this; but above said content does not limit protection range of the present utility model; every any equivalence done according to Spirit Essence of the present utility model changes or modifies, and all should fall within protection range of the present utility model.
Claims (10)
1. a cable entry for quick locking, the two O RunddichtringO structure of integral type, it comprises front end body assembly, hold-down ring, seal, clamping nut, and described seal is arranged at the inside of front end body assembly, it is characterized in that,
Described hold-down ring is arranged at the top of seal, and the bottom of described hold-down ring pre-fixes in the shrinkage cavity of front end body assembly rear end; Described seal outer surface is provided with dual-cavity, and the inner surface corresponding with dual-cavity is provided with biconvex muscle; Described clamping nut is inverted U; When locked, rotatably compress nut, simultaneously clamping nut and hold-down ring top contact, and compressive seal, cause dual-cavity compression after seal pressurized, make biconvex muscle hold cable tightly.
2. the cable entry of a kind of quick locking according to claim 1, the two O RunddichtringO structure of integral type, it is characterized in that, described clamping nut internal upper part is provided with a step surface.
3. the cable entry of a kind of quick locking according to claim 2, the two O RunddichtringO structure of integral type, it is characterized in that, the top of described hold-down ring is the end face of a level.
4. the cable entry of a kind of quick locking according to claim 3, the two O RunddichtringO structure of integral type, is characterized in that, when locked, and the step surface in clamping nut and the end contact of hold-down ring, and compressive seal.
5. the cable entry of a kind of quick locking according to claim 1, the two O RunddichtringO structure of integral type, it is characterized in that, the outer surface of described front end body assembly is provided with a plurality of rivet, and those rivets are uniformly distributed in the surrounding of front end body assembly.
6. the cable entry of a kind of quick locking according to claim 1, the two O RunddichtringO structure of integral type, it is characterized in that, the inner wall lower of described clamping nut offers helicla flute, and described spiral fluted afterbody is provided with spacing hole.
7. the cable entry of a kind of quick locking according to claim 5, the two O RunddichtringO structure of integral type, it is characterized in that, the outer surface of described front end body assembly is provided with three rivets.
8. the cable entry of the two O RunddichtringO structure of a kind of quick locking according to claim 1 or 3, integral type, it is characterized in that, the bottom of described hold-down ring is provided with guiding surface or screw thread, is threaded connection or riveting connects and pre-fixes in shrinkage cavity.
9. the cable entry of a kind of quick locking according to claim 1, the two O RunddichtringO structure of integral type, it is characterized in that, dual-cavity is V-type or U-shaped.
10. the cable entry of a kind of quick locking according to claim 1, the two O RunddichtringO structure of integral type, it is characterized in that, described seal is made up of elastomeric material, and described front end body assembly, hold-down ring and clamping nut are made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520894331.4U CN205070385U (en) | 2015-11-10 | 2015-11-10 | Quick locking, two O type sealing ring structure's of integral type cable entry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520894331.4U CN205070385U (en) | 2015-11-10 | 2015-11-10 | Quick locking, two O type sealing ring structure's of integral type cable entry |
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| CN205070385U true CN205070385U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520894331.4U Active CN205070385U (en) | 2015-11-10 | 2015-11-10 | Quick locking, two O type sealing ring structure's of integral type cable entry |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106590A (en) * | 2019-12-27 | 2020-05-05 | 广东电网有限责任公司 | 10kV middle head protection device |
| CN112082419A (en) * | 2019-06-13 | 2020-12-15 | 青岛德固特节能装备股份有限公司 | Air preheater tube plate sealing metal corrugated sleeve structure |
-
2015
- 2015-11-10 CN CN201520894331.4U patent/CN205070385U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112082419A (en) * | 2019-06-13 | 2020-12-15 | 青岛德固特节能装备股份有限公司 | Air preheater tube plate sealing metal corrugated sleeve structure |
| CN112082419B (en) * | 2019-06-13 | 2023-07-07 | 青岛德固特节能装备股份有限公司 | Air preheater tube plate sealing metal corrugated sleeve structure |
| CN111106590A (en) * | 2019-12-27 | 2020-05-05 | 广东电网有限责任公司 | 10kV middle head protection device |
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| GR01 | Patent grant |