CN219181116U

CN219181116U - Cable sealing device and equipment with outlet sealing requirement

Info

Publication number: CN219181116U
Application number: CN202320041350.7U
Authority: CN
Inventors: 徐毅鸿; 陈可璜; 许明洁
Original assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Current assignee: Xiamen Hongfa Automotive Electronics Co Ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-06-13
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to the technical field of cable sealing, and particularly discloses a cable sealing device and equipment with an outgoing line sealing requirement. According to the utility model, the outer wall of the protective tube and the inner wall of the shell wire outlet hole and the inner wall of the protective tube and the outer wall of the cable can be more tightly matched, the sealing effect is better, and moisture and dust are prevented from entering the device from gaps between the protective ring and the shell or between the protective ring and the cable, so that the performance of the device is affected.

Description

Cable sealing device and equipment with outlet sealing requirement

Technical Field

The utility model relates to the technical field of cable sealing, in particular to a cable sealing device and equipment with outlet sealing requirements.

Background

Among the prior art, as disclosed in chinese patent publication No. CN106876226a, waterproof fuse box and have its vehicle, it includes the fuse box body, be equipped with the wiring port on the fuse box body, be equipped with the sealing washer in the wiring port with sealed electric wire with clearance between the wiring port, the sealing washer is formed with multichannel annular sealing portion, the sealing washer realize sealed electric wire with clearance between the wiring port through sealing portion promptly, and specifically, its sealing portion is fin-like structure, and only forms in the periphery of sealing washer, consequently, is difficult to realize sealing the clearance between sealing washer inner periphery and the sealed electric wire, leads to outside moisture, dust etc. to enter into the fuse box body inside in the gap between sealing washer inner periphery and the sealed electric wire easily to influence working property.

Disclosure of Invention

The present utility model is directed to a cable sealing device, which solves the above-mentioned problems.

In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a cable sealing device for seal the cable, including casing and protective tube, be provided with on the casing and be used for supplying the cable to run through the wire hole that sets up, protective tube seals the setting in the wire hole, protective tube outer wall, the inner wall is formed with first seal structure, second seal structure respectively, the inner wall of wire hole is formed with third seal structure, first seal structure corresponds seal fit with the unsmooth correspondence of third seal structure, second seal structure is used for with cable outer wall seal fit, this setting makes can realize inseparabler cooperation between protective tube outer wall and the inner wall of casing wire hole, and protective tube inner wall and the cable outer wall, sealing effect is better, prevent that water vapor, dust from entering into the device inside from the gap between protective coil and the casing, or between protective coil and the cable, thereby influence device performance.

In one embodiment, the first sealing structure and the second sealing structure are annular protrusions, the third sealing structure is an annular groove corresponding to the annular protrusion of the outer wall of the protective tube, and the arrangement ensures that the inner wall of the wire outlet hole and the outer wall of the protective tube can continuously form sealing in the circumferential direction, so that the sealing effect is further ensured.

In one embodiment, the protection tube is a silica gel protection tube, which has higher elasticity, so that the tightness between the protection tube and the shell and between the protection tube and the cable is further improved, and the tight effect is ensured.

In one embodiment, the shell comprises a first shell and a second shell which are assembled with each other, a first half wire outlet hole is formed in the first shell, a second half wire outlet hole is formed in the second shell, the first half wire outlet hole and the second half wire outlet hole are formed in the wire outlet hole, the inner diameter of the wire outlet hole is slightly smaller than the outer diameter of the protection pipe, and when the first shell and the second shell are assembled, the first half wire outlet hole and the second half wire outlet hole are gradually closed to each other and are used for compressing and sealing the protection pipe and a cable, so that the annular groove of the wire outlet hole and the annular bulge on the outer wall of the protection pipe are in sealing fit more tightly, and the sealing effect is further improved.

In one embodiment, the two sides of the first shell corresponding to the first half wire outlet hole and the two sides of the second shell corresponding to the second half wire outlet hole are respectively provided with locking holes, and the first shell and the second shell are fixedly assembled through locking matching of the screw locking piece and the locking holes, so that the first shell and the second shell can compress the protection pipe and the cable to a greater degree, and the sealing effect is further improved.

In one embodiment, the protection tube comprises a sealing part and a limiting part, the sealing part is installed in the wire outlet hole in a sealing mode, the limiting part is fixedly installed in the shell, and the protection tube can be stably installed on the shell.

In one embodiment, the housing is provided with a fastener comprising a first fastener and a second fastener assembled with each other, a limit groove is formed in the first fastener and the second fastener, and the limit part is fixedly installed in the limit groove.

In one embodiment, the spacing portion is circular fin structure, and the spacing groove on first fastener, the second fastener is circular spacing groove relatively amalgamation, and circular fin structure spacing is installed in circular spacing inslot for holistic spacing installation of protection pipe is more balanced stable.

In one embodiment, a plurality of clamping parts are formed between the first fastening piece and the second fastening piece oppositely and used for clamping and limiting cables, and the cables inside the shell are prevented from loosening.

In an embodiment, second fastener and second casing integrated into one piece, the production of being convenient for, first fastener detachable fixed mounting is on first casing, guarantees that spacing portion can accurate stable the installing in the spacing inslot.

In an embodiment, the protection tube further includes the enhancement portion, it is located the one end that limit portion was kept away from to the sealing portion, the outer wall of enhancement portion is formed with a plurality of strengthening ribs, the inner wall of wire hole is provided with the fixed slot, be close to the strengthening rib seal installation of sealing portion one side in the fixed slot on the enhancement portion, further improve the installation stability of protection tube on the casing, sealing effect between protection tube and the casing has also been improved simultaneously, the strengthening rib that keeps away from sealing portion one side on the enhancement portion is located outside the casing, then can improve the fixed strength of protection tube to cable, prevent to take place to buckle.

In one embodiment, the reinforcing ribs comprise annular ribs and strip-shaped ribs, the strip-shaped ribs are located between two adjacent annular ribs, and the arrangement further improves the fixing strength of the protective tube to the cable.

The utility model also provides equipment with the outlet sealing requirement, which comprises any one of the cable sealing devices.

In one embodiment, the device is a portable direct current charging module, and further comprises an input power line, an output power line and a direct current charging gun head, wherein the two wire outlets of the cable sealing device are respectively and hermetically installed in the two wire outlets of the cable sealing device, and the other end of the output power line is electrically connected with the direct current charging gun head.

The utility model has the following beneficial effects:

the cable protection device comprises a shell and a protection tube, wherein the shell is provided with a wire outlet hole for a cable to penetrate, the protection tube is arranged on the wire outlet hole in a sealing mode, a first sealing structure and a second sealing structure are respectively formed on the outer wall and the inner wall of the protection tube, a third sealing structure is formed on the inner wall of the wire outlet hole, the first sealing structure is in concave-convex corresponding sealing fit with the third sealing structure, the second sealing structure is in sealing fit with the outer wall of the cable, the arrangement enables the outer wall of the protection tube to be in closer fit with the inner wall of the wire outlet hole of the shell and the inner wall of the protection tube to be in better sealing effect, and moisture and dust are prevented from entering the device from gaps between the protection coil and the shell or between the protection coil and the cable, so that the performance of the device is affected.

Drawings

FIG. 1 is an assembled cross-sectional view of embodiment 1 of the present utility model;

fig. 2 is a schematic structural view of a second housing of embodiment 1 of the present utility model;

FIG. 3 is a side view of the protective tube of example 1 of the present utility model;

FIG. 4 is an oblique view of the shield tube of embodiment 1 of the present utility model;

fig. 5 is a sectional view of a shield tube of embodiment 1 of the present utility model;

FIG. 6 is a schematic view of a first fastener of embodiment 1 of the present utility model;

fig. 7 is a schematic view of the appearance of a portable dc charging module according to embodiment 2 of the present utility model;

fig. 8 is a schematic view of the external appearance of the portable dc charging module according to embodiment 2 of the present utility model.

The drawings are marked: the novel direct-current charging gun comprises a first shell, a second shell, a wire outlet hole 3, a fixing groove 31, a third sealing structure 32, a cable 4, a protection tube 5, a sealing part 51, a first sealing structure 511, a second sealing structure 512, a limiting part 52, a reinforcing part 53, an annular convex rib 531, a strip-shaped convex rib 532, a first fastening piece 6, a second fastening piece 7, a limiting groove 8, a clamping part 9, a screw-type locking piece 10, a locking hole 11, an input power line 12, an output power line 13, a direct-current charging gun head 14 and a cable sealing device 15.

Detailed Description

For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.

Example 1.

Referring to fig. 1-6, as an embodiment of the present utility model, a cable sealing device is provided, which is used for sealing a cable 4, and comprises a housing and a protection tube 5, wherein the housing comprises a first housing 1 and a second housing 2 assembled with each other, a first half wire outlet hole is formed on the first housing 1, a second half wire outlet hole is formed on the second housing 2, the first half wire outlet hole and the second half wire outlet hole form the wire outlet hole 3, a wire outlet hole 3 for the cable 4 to pass through is arranged on the housing, the protection tube 5 is hermetically arranged in the wire outlet hole 3, a first sealing structure 511 and a second sealing structure 512 are respectively formed on the outer wall and the inner wall of the protection tube 5, a third sealing structure 32 is formed on the inner wall of the wire outlet hole 3, the first sealing structure 511 and the second sealing structure 512 are annular protrusions, the third sealing structure 32 is an annular groove corresponding to the annular protrusions of the outer wall of the protection tube 5, the annular protrusions of the outer wall of the protection tube 5 are correspondingly and hermetically matched with the annular grooves, the annular protrusions of the inner wall of the protection tube 5 are used for being hermetically matched with the outer wall of the cable 4, the arrangement enables the outer wall of the protection tube 5 and the inner wall of the protection tube 3 and the inner wall of the protection tube 4 to be tightly matched with the inner wall of the cable 4, and the inner wall of the protection tube 4 and the cable 4 are better in performance of the protection device is achieved, and dust can be prevented from entering into the protection device from the inner wall, and the protection device is better between the protection device and the inner wall, and the protection device is better between the protection device and the cable sealing device, and the cable sealing device is prevented.

Of course, in other cases, the first sealing structure 511 is designed as an annular groove, and the corresponding third sealing structure 32 is designed as an annular protrusion, so long as a concave-convex corresponding sealing fit can be achieved.

Specifically, the inside diameter of the wire outlet hole 3 is slightly smaller than the outside diameter of the protection tube 5, and when the first shell 1 and the second shell 2 are assembled, the first half wire outlet hole and the second half wire outlet hole are gradually close to each other and used for compressing and sealing the protection tube 5 and the cable 4, so that the annular groove of the wire outlet hole 3 and the annular protrusion of the outer wall of the protection tube 5 are more tightly matched in a sealing manner, and the sealing effect is further improved.

In this embodiment, the number of the wire holes 3 is 2, and the wire holes are respectively used for installing the input end cable and the output end cable, and the 2 wire holes 3 are arranged on two opposite sides of the shell, so that the whole device is more coordinated and attractive.

In this embodiment, the first sealing structure 511, the second sealing structure 512, and the third sealing structure 32 are all configured as annular structures, so that the inner wall of the wire outlet hole 3 and the outer wall of the protection tube 5 can continuously form a seal in the circumferential direction, and further, the sealing effect is ensured. Of course, in other cases, the first sealing structure 511, the second sealing structure 512, and the third sealing structure 32 may be configured in other shapes, such as a block shape.

In this embodiment, the housing includes the first housing 1 and the second housing 2, and this arrangement enables the aperture of the wire outlet hole 3 to be gradually reduced to seal the protection tube 5 and the cable 4 when the cable 4 is assembled, that is, the annular groove of the wire outlet hole 3 and the annular protrusion of the outer wall of the protection tube 5 and the annular protrusion of the inner wall of the protection tube 5 are more tightly matched with the cable 4, so as to further improve the sealing effect. Specifically, the two sides of the first casing 1 corresponding to the first half wire outlet hole and the two sides of the second casing 2 corresponding to the second half wire outlet hole are respectively provided with a locking hole 11, the first casing 1 and the second casing 2 are fixedly assembled through locking and matching of the screw locking piece 10 and the locking holes 11, and the screw locking piece 10 is a screw, so that the first casing 1 and the second casing 2 can compress tightly the protection pipe 5 and the cable 4 to a greater degree, and the sealing effect is further improved.

In this embodiment, the protection tube 5 includes an integrally formed reinforcing portion 53, a sealing portion 51 and a limiting portion 52, where the reinforcing portion 53 and the limiting portion 52 are located at two ends of the sealing portion 51, and the protection tube 5 is integrally designed, so that the structure is simpler and the production is convenient.

Specifically, the protection tube 5 is a silica gel protection tube 5 with higher elasticity, so that the annular protrusions of the outer wall and the inner wall of the protection tube 5 are higher in meshing tightness with the annular groove of the wire outlet 3 or the wire cable 4, and the sealing effect between the protection tube 5 and the shell and between the protection tube and the wire cable 4 is further improved. Of course, in other embodiments, the protective tube 5 may be a rubber tube, with only a reduced tightness.

The sealing part 51 is arranged in the wire outlet hole 3 in a sealing way, annular protrusions are respectively arranged on the outer wall and the inner wall of the sealing part 51, the sealing part 51 is in corresponding sealing fit with the concave-convex annular grooves of the inner wall of the wire outlet hole 3 through the annular protrusions of the outer wall, and the sealing part 51 is in sealing fit with the outer wall of the cable 4 through the annular protrusions of the inner wall; the spacing portion 52 fixed mounting is in the casing, guarantees that the protection pipe 5 can stably install on the casing, and the reinforcing part 53 main part is located outside the casing for increase the fixed strength to cable 4 prevents that cable 4 from buckling.

Referring to fig. 1, 2 and 6, in this embodiment, the fastening member is disposed in the housing, and includes a first fastening member 6 and a second fastening member 7 assembled with each other, a limiting groove 8 is formed on the first fastening member 6 and the second fastening member 7, and a limiting portion 52 is fixedly mounted in the limiting groove 8, which further improves the stability of mounting the protective tube 5 on the housing. Specifically, the limiting part 52 is of a round fin structure, the limiting grooves 8 on the first fastening piece 6 and the second fastening piece 7 are relatively spliced to form a round limiting groove, and the first fastening piece 6 and the second fastening piece 7 are fixedly locked through screws, so that the round fin structure is limited and installed in the round limiting groove, and the installation stability of the limiting part 52 is guaranteed. Of course, the limiting portions 52 and the limiting grooves 8 may have other shapes or numbers corresponding to each other, for example, the limiting portions 52 are two circular fin structures, the corresponding limiting grooves 8 on the first fastening member 6 and the second fastening member 7 are relatively spliced to form two circular limiting grooves, or the corresponding limiting portions 52 are square fin structures, the corresponding limiting grooves 8 on the first fastening member 6 and the second fastening member 7 are relatively spliced to form a square limiting groove, which is not limited herein.

In this embodiment, the second fastening member 7 and the second housing 2 are integrally formed, so that the production is facilitated, the first fastening member 6 is detachably and fixedly mounted on the first housing 1, and the accurate and stable mounting of the limiting portion 52 in the limiting groove 8 is ensured. Of course, the second fastening member 7 may be integrally formed with the first housing 1, and the first fastening member 6 is detachably and fixedly mounted on the second housing 2, which is not limited herein.

In this embodiment, a plurality of clamping portions 9 are formed between the first fastening member 6 and the second fastening member 7, and are used for clamping and limiting the cable 4, so as to prevent the cable 4 inside the housing from loosening.

Referring to fig. 3-5, in this embodiment, a plurality of reinforcing ribs are formed on the outer wall of the reinforcing portion 53, a fixing groove 31 is formed on the inner wall of the wire outlet hole 3, the reinforcing ribs on the side close to the sealing portion 51 on the reinforcing portion 53 are mounted in the fixing groove 31 in a limited manner, and the reinforcing ribs and the fixing groove 31 form a sealing fit, so that the mounting stability of the protection tube 5 on the housing is further improved, the sealing effect between the protection tube 5 and the housing is also improved, and most of the reinforcing ribs on the side, far away from the sealing portion 51, on the reinforcing portion 53 are located outside the housing, so that the fixing strength of the protection tube 5 to the cable 4 can be improved, and the cable 4 is prevented from being bent.

The section of the reinforcing convex rib is rectangular, so that the reinforcing convex rib can be effectively prevented from bending deformation under the action of external force, and the fixing strength of the reinforcing convex rib to the cable 4 is further ensured.

In this embodiment, the reinforcing ribs include an annular rib 531 and a bar-shaped rib 532, the bar-shaped rib 532 is located between two adjacent annular ribs 531, and the fixing strength of the protection tube 5 to the cable 4 is further improved by this arrangement.

Example 2.

Referring to fig. 7-8, the present utility model further provides a device with wire outlet sealing requirements, including the cable sealing device described in the foregoing embodiment 1, where the device is a portable dc charging module, and further includes two wire outlet holes 3 of the cable sealing device 15, one ends of the input power wire 12 and the output power wire 13 are respectively and hermetically installed in the two wire outlet holes 3 of the cable sealing device 15, and the other end of the output power wire 13 is electrically connected with the dc charging gun head 14.

While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A cable sealing device for sealing a cable, characterized in that: including casing and protection tube, be provided with on the casing and be used for supplying the cable to run through the wire hole that sets up, the protection tube seals the setting in the wire hole, and protection tube outer wall, inner wall are formed with first seal structure, second seal structure respectively, and the inner wall of wire hole is formed with third seal structure, and first seal structure corresponds sealing fit with third seal structure is unsmooth, and second seal structure is used for sealing fit with the cable outer wall.

2. The cable sealing device of claim 1, wherein: the first sealing structure and the second sealing structure are annular protrusions, and the third sealing structure is an annular groove corresponding to the annular protrusion of the outer wall of the protection tube.

3. The cable sealing device of claim 1, wherein: the protective tube is a silica gel protective tube.

4. The cable sealing device of claim 1, wherein: the shell comprises a first shell and a second shell which are assembled with each other, a first half wire outlet hole is formed in the first shell, a second half wire outlet hole is formed in the second shell, the first half wire outlet hole and the second half wire outlet hole form the wire outlet hole, the inner diameter of the wire outlet hole is slightly smaller than the outer diameter of the protection pipe, and when the first shell and the second shell are assembled, the first half wire outlet hole and the second half wire outlet hole are gradually closed to each other and are used for compacting and sealing the protection pipe and a cable.

5. The cable sealing device of claim 4, wherein: locking holes are respectively formed in two sides of the first shell corresponding to the first half wire outlet hole and two sides of the second shell corresponding to the second half wire outlet hole, and the first shell and the second shell are fixedly assembled through locking and matching of the screw locking piece and the locking holes.

6. The cable sealing device of claim 4, wherein: the protection pipe comprises a sealing part and a limiting part, the sealing part is arranged in the wire outlet hole in a sealing mode, and the limiting part is fixedly arranged in the shell.

7. The cable sealing device of claim 6, wherein: the shell is internally provided with a fastener which comprises a first fastener and a second fastener which are mutually assembled, a limiting groove is formed in the first fastener and the second fastener, and a limiting part is fixedly arranged in the limiting groove.

8. The cable sealing device of claim 7, wherein: the limiting part is of a round fin structure, and the limiting grooves on the first fastening piece and the second fastening piece are spliced relatively to form a round limiting groove, and the round fin structure is arranged in the round limiting groove in a limiting mode.

9. The cable sealing device of claim 7, wherein: a plurality of clamping parts are oppositely formed between the first fastening piece and the second fastening piece and used for clamping and limiting the cable.

10. The cable sealing device of claim 7, wherein: the second fastening piece and the second shell are integrally formed, and the first fastening piece is detachably and fixedly installed on the first shell.

11. The cable sealing device of claim 6, wherein: the protection pipe still includes the enhancement portion, and it is located the one end that the limit portion was kept away from to the sealing portion, and the outer wall of enhancement portion is formed with a plurality of strengthening ribs, and the inner wall of wire hole is provided with the fixed slot, and the strengthening rib that is close to sealing portion one side on the enhancement portion is sealed to be installed in the fixed slot, and the strengthening rib that is kept away from sealing portion one side on the enhancement portion is located outside the casing.

12. The cable sealing device of claim 11, wherein: the reinforcing ribs comprise annular ribs and strip-shaped ribs, and the strip-shaped ribs are located between two adjacent annular ribs.

13. An apparatus having an outgoing line sealing requirement, characterized by: a cable sealing device comprising any of the above claims 1-12.

14. The apparatus with wire seal requirements as set forth in claim 13 wherein: the portable direct current charging device is characterized by comprising a portable direct current charging module, an input power line, an output power line and a direct current charging gun head, wherein the two wire outlets of the cable sealing device are respectively and hermetically arranged in the two wire outlets of the cable sealing device at one ends of the input power line and the output power line, and the other end of the output power line is electrically connected with the charging gun head.