CN212277843U - Via hole connecting device and via hole connecting assembly - Google Patents
Via hole connecting device and via hole connecting assembly Download PDFInfo
- Publication number
- CN212277843U CN212277843U CN202020611629.0U CN202020611629U CN212277843U CN 212277843 U CN212277843 U CN 212277843U CN 202020611629 U CN202020611629 U CN 202020611629U CN 212277843 U CN212277843 U CN 212277843U
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- connecting seat
- box body
- cable
- sealing member
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 102
- 210000003205 muscle Anatomy 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000003433 contraceptive agent Substances 0.000 claims 1
- 230000002254 contraceptive effect Effects 0.000 claims 1
- 230000008878 coupling Effects 0.000 abstract description 9
- 238000010168 coupling process Methods 0.000 abstract description 9
- 238000005859 coupling reaction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 8
- 230000006872 improvement Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The utility model provides a via hole connecting device and via hole coupling assembling, via hole connecting device include box body and sealing member, be provided with the holding chamber in the box body, the box body is provided with the connecting seat outward, seted up on the box body and made the connecting seat with the through-hole that the holding chamber is linked together, just the one end of connecting seat with the box body is connected, and the other end is the free end, the sealing member is elastic sealing element, the sealing member with the connecting seat card is held fixedly, the holding chamber is used for holding the cable wiring end that penetrates by the connecting seat, the sealing member is used for the cover to locate the cable and forms sealedly outside and between cable and the connecting seat. The via hole connecting device and the via hole connecting assembly have the advantages of simple and reasonable structure, convenience in installation and capability of reducing cost.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to via hole connecting device and via hole coupling assembling.
Background
The connection of a wire harness or a cable is mainly in two forms. One is that the terminals of the electrical equipment are directly led out or placed outside, such as a power transformer, and then cables or wire harnesses can be directly connected with the terminals of the electrical equipment; the other is that the cable or the wire harness needs to pass through the box body outside the equipment and extend into the box body to be connected with the equipment, at the moment, a hole needs to be formed in the box body to be used for leading in or leading out the cable and connecting the cable with the electrical equipment through a connector, and the connection mode is called as through hole connection. The cable or the wire harness is connected with equipment, and also needs to meet the functions of water resistance, shielding and the like; however, in the prior art, when the via hole connection device is used for connecting with electrical equipment, the operation steps are relatively complicated, and the connector structure is complex, so that the cost is relatively high, such as a via hole connector disclosed in the utility model patent with the application number of 201821150949. X; in particular, after the sealing element and/or the shielding element of the cable are constrained, bolts are often used to fix the sealing element on the box body so as to complete the sealing and/or shielding function; i.e. making its installation relatively cumbersome, and at the same time making its construction relatively complex and increasing the costs of use.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a via hole connecting device and via hole coupling assembling that rational in infrastructure, simple to operate and use cost are low.
In order to solve the technical problem, the utility model discloses the technical scheme who uses is:
the utility model provides a via hole connecting device, includes box body and sealing member, be provided with the holding chamber in the box body, the box body is provided with the connecting seat outward, set up on the box body and make the connecting seat with the through-hole that the holding chamber is linked together, the one end of connecting seat with the box body is connected, and the other end is the free end, the sealing member is elastic sealing element, the sealing member inserts in the connecting seat, and with the connecting seat card is held fixedly, the holding chamber be used for holding by the cable wiring end that the connecting seat penetrated, the sealing member is used for the cover to locate outside the cable and form elastic sealing between cable and connecting seat.
As a further improvement on the via hole connecting device, the connecting seat and the box body are integrally formed and are arranged in a tubular shape, the inner diameter of the through hole is smaller than the inner diameter of the connecting seat and the outer diameter of the sealing piece, a conical inclined plane is further arranged at the position, close to the free end, in the connecting seat, and the inner diameter of the conical inclined plane is gradually increased from inside to outside along the axial direction of the connecting seat.
As a further improvement of the via hole connection device, the sealing element is in a tubular shape, one end of the sealing element is a head sealing area, the other end of the sealing element is a tail sealing area, one or more first convex ribs are annularly arranged on the outer edge of the head sealing area in the circumferential direction of the sealing element, the head sealing area is inserted into the connecting seat and is in interference fit with the inner wall of the connecting seat, and the tail sealing area extends out of the connecting seat.
As the further improvement to the through hole connecting device, the through hole connecting device still includes the shielding piece, the shielding piece with the sealing member inserts in proper order in the connecting seat and fixed mutually with the connecting seat, the shielding piece is metallic shield, the box body is metal box body, the shielding piece is used for the cover to locate the cable and makes the shielding layer and the box body formation electric conductance of cable communicate outward.
As a further improvement on the via hole connecting device, the shielding piece is arranged in a tubular shape, a second groove coaxial with the cable is arranged on the outer ring of the shielding piece, an annular spring is sleeved in the second groove, and the spring is elastically abutted to the inner wall of the connecting seat and the second groove.
As a further improvement of the via hole connection device, the outer ring of the shielding member is provided with a second convex rib, the second convex rib and the shielding member are integrally formed, the second convex rib is provided with the second groove, the outer diameter of one end of the shielding member, which is positioned at the inner side of the second convex rib, is smaller than the inner diameter of the through hole and extends into the through hole, the outer diameter of the second convex rib is larger than the inner diameter of the through hole, and the second convex rib abuts against the outer end part of the through hole.
As a further improvement on the via hole connection device, the sealing element is in a tubular shape, a first groove is further annularly arranged on the inner wall of the sealing element, a third convex rib is annularly arranged on the outer wall of the shielding element, the outer end of the shielding element is inserted into the sealing element, and the first groove is embedded with the third convex rib.
As a further improvement on the via hole connecting device, the box body is further provided with an opening and a cover plate, the opening is communicated with the containing cavity, and the cover plate covers the opening of the box body.
The utility model provides a via hole coupling assembling, its includes cable, lug and as above any embodiment via hole connecting device, the one end of cable with the lug is connected, and passes sealing member, connecting seat and through-hole stretch into the holding intracavity, the lug is in the holding intracavity is fixed.
The beneficial effects of the utility model are mainly embodied in that: because set up on the box body rather than the connecting seat of integrated into one piece and the sealing member of holding each other with the connecting seat card, only need can accomplish the fixed and sealed of cable and box body in going into the connecting seat with the sealing member card when installing, avoided carrying out the installation fixed with the sealing member through bolt and box body among the traditional mode to simplified the component structure of via hole coupling assembling, reduced its cost, convenience when also improving the installation of via hole coupling assembling simultaneously.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic sectional view of an installation state of a via hole connection assembly according to the present invention;
fig. 2 is a schematic structural view of an installation state of the via hole connection assembly of the present invention;
fig. 3 is an exploded view of a via hole connection assembly according to the present invention;
fig. 4 is a schematic cross-sectional view of a box body in a via hole connection device according to the present invention;
FIG. 5 is a schematic side view of a sealing member of a via hole connection device according to the present invention;
fig. 6 is a schematic cross-sectional view of a sealing member in a via hole connection device according to the present invention;
fig. 7 is a schematic structural diagram of a shielding member in a via hole connection device according to the present invention;
fig. 8 is a schematic cross-sectional view of a shielding member in a via hole connection device according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it is understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and only describe the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present invention; in addition, in the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a bolt fixing manner, a welding fixing manner, a pin fixing manner, or the like, which is commonly used in the prior art, and therefore, detailed description thereof is omitted in this embodiment.
As shown in fig. 1 to 6, the present embodiment provides a via connecting device including a case 1 and a sealing member 2. The via hole connecting device is connected with the cable 3 to form a via hole connecting assembly.
An accommodating cavity 11 is arranged in the box body 1, a connecting seat 12 is arranged outside the box body 1, a through hole 13 for communicating the connecting seat 12 with the accommodating cavity 11 is also formed in the box body 1, and the end part of the cable 3 penetrates into the box body 1 through the through hole 13; wherein, the one end of connecting seat 12 and box body 1 integrated into one piece, if whole die-casting shaping, the other end is the free end and extends to the direction of keeping away from box body 1, sealing member 2 is elastic sealing member 2, if rubber or plastic, sealing member 2 and connecting seat 12 card are held fixedly, and holding chamber 11 is used for holding the wiring end of the cable 3 that penetrates by connecting seat 12, and sealing member 2 is used for the cover to locate outside cable 3 and forms elastic seal between cable 3 and connecting seat 12. Connecting seat 12 in this embodiment is the tubulose setting, and the internal diameter of through-hole 13 is less than the internal diameter of connecting seat 12 and the external diameter of sealing member 2, can form the step like this in connecting seat 12, can form spacingly to sealing member 2 when inserting connecting seat 12 in, avoids sealing member 2 to slide into the holding chamber 11 and can't form good sealed. A tapered inclined surface is further arranged in the connecting seat 12 near the free end, and the inner diameter of the tapered inclined surface gradually increases from inside to outside along the axial direction of the connecting seat 12, so that the end part of the sealing element 2 is favorably and smoothly inserted into the connecting seat 12. Specifically, the box body 1 of the via hole connection device covers the wiring end of the equipment, the sealing element 2 is sleeved outside the cable 3, and then one end of the sealing element 2 is inserted into the connecting seat 12, so that the outer wall of the sealing element 2 and the inner wall of the connecting seat 12 form interference fit, namely, are clamped and fixed; meanwhile, the elastic sealing element 2 is tightly wrapped outside the cable under the extrusion of the connecting seat 12, so that the sealing element 2 forms sealing between the connecting seat 12 and the cable 3 and fixes the cable 3, and the trouble and inconvenience of the installation process caused by locking and sealing through bolts in the traditional mode are avoided.
As shown in fig. 1-6, in a preferred embodiment, the sealing member 2 is tubular, and one end of the sealing member 2 is a tail sealing area 22, the diameter of the tail sealing area 21 is smaller than that of the cable, when the sealing member 2 is sleeved on the cable 3, the sealing member 2 is tightly wrapped outside the cable by using the elastic contraction force of the sealing member 2 to form a seal; the other end is a head sealing area 21, wherein one or more first ribs 23 are annularly arranged outside the head sealing area 21 along the axial direction of the sealing element 2, and the first ribs 23 and the sealing element 2 are integrally formed. The head sealing area 21 of the sealing element 2 is inserted into the connecting seat 12, and the first convex rib 23 forms interference fit and sealing with the inner wall of the connecting seat 12; meanwhile, the first rib 23 will press the sealing element 2 towards the axial center thereof due to the restriction of the connecting seat 12, so as to tightly wrap and seal the cable. The tail sealing area 21 extends out of the connecting base 12.
As shown in fig. 1-4 and 7-8, in a preferred embodiment, when it is required to prevent the cable from radiating electromagnetic energy or electromagnetic noise interference, the via connecting device includes a shielding element 4, the shielding element 4 and a sealing element 2 are sequentially inserted into the connecting socket 12 and fixed with the connecting socket 12, that is, with the receiving cavity 11 as a reference, the shielding element 4 is located at a side of the connecting socket 12 close to the receiving cavity 11, and the sealing element 2 is located at a side of the connecting socket 12 far from the receiving cavity 11. Wherein, shielding part 4 is metal shielding part 4, like the shielding part of making by copper, aluminium or iron, box body 1 is metal box body 1, like the box body of making by copper, aluminium or iron, shielding part 4 is used for the cover to locate outside the cable and makes the shielding layer of cable 3 and box body 1 form the electric conductance and lead to box body 1 ground connection to the surface electric field when shielding off cable 3 circular telegram. Particularly, shield 4 is fixed with the cable shielding layer, and then sealing member 2 is fixed through the gomphosis of first recess 24 and the third protruding muscle 44 of shield 4, then in inserting connecting seat 12 again, and second protruding muscle 41 prevents in shield 4 and the sealing member from falling into holding chamber 11 with through-hole 13 terminal surface butt, and it is inside fixed back also can prevent that shield 4 and sealing member 2 from withdrawing from outside connecting seat 12 to form switching on in connection ear 5 and holding chamber 11.
In a preferred embodiment, the shielding element 4 is tubular, the outer ring of the shielding element 4 is provided with a second groove 42 coaxial with the cable 3, an annular spring 43 is sleeved in the second groove 42, and the spring 43 is elastically abutted with the inner wall of the connecting seat 12 and the second groove 42. After the shielding part 4 is inserted into the connecting seat 12, the spring 43 sleeved in the second groove 42 is squeezed, so that the spring 43 tightly abuts between the shielding part 4 and the box body 1, the shielding layer on the cable can be well conducted by the box body 1, and the shielding of the electromagnetic noise and the electric field of the cable 3 is realized. Further, the outer ring of the shielding member 4 is provided with a second rib 41, the second rib 41 and the shielding member 4 are integrally formed, and a second groove 42 is formed on the second rib 41. The outer diameter of the end of the shield 4 located inside the second rib 41 (i.e. on the side close to the receiving cavity 11) is smaller than the inner diameter of the through hole 13 and extends into the through hole 13. The external diameter of second protruding muscle 41 is greater than the internal diameter of through-hole 13, and second protruding muscle 41 butt is in the outer tip of through-hole 13, prevents that shield 4 from falling into in the holding chamber 11, and other end lug 5 is fixed back with the inside holding chamber 11 of box body 1 simultaneously, also in order to prevent that shield 4 and sealing member 2 from withdrawing from outside connecting seat 12. Further, the sealing element 2 is tubular, and a first groove 24 is further annularly arranged on the inner wall of the sealing element 2. The outer wall of the shielding element 4 is provided with a third rib 44 capable of being embedded with the first groove 24, and the third rib 44 is integrally formed with the shielding element 4. The outer end of the shield 4, i.e. the end remote from the receiving cavity 11, is inserted into the head sealing area 21 of the sealing member 2, and the third ribs 44 and the first grooves 24 are engaged with each other, so as to improve the stability of the connection between the sealing member 2 and the shield 4,
as shown in fig. 1, 2 and 4, in a preferred embodiment, the box body 1 is further provided with an opening and a cover plate 14, the cover plate 14 covers the opening of the box body 1, the cover plate 14 and the box body 1 are detachably fixed through bolts, and the detachable cover plate 14 is used for facilitating wiring of the wiring terminal of the equipment.
The utility model discloses via hole coupling assembling include cable 3, lug 5 and above-mentioned arbitrary embodiment via hole connecting device. One end of the cable 3 is connected with the lug 5, passes through the sealing element 2, the connecting seat 12, the shielding element 4 and the through hole 13 and extends into the accommodating cavity 11. The other end of the wiring lug 5 can be fixed in the accommodating cavity 11 through a bolt and is connected with equipment.
The beneficial effects of the utility model are mainly embodied in that: because set up on the box body rather than the connecting seat of integrated into one piece and the sealing member of holding each other with the connecting seat card, only need can accomplish the fixed and sealed of cable and box body in going into the connecting seat with the sealing member card when installing, avoided carrying out the installation fixed with the sealing member through bolt and box body among the traditional mode to simplified the component structure of via hole coupling assembling, reduced its cost, convenience when also improving the installation of via hole coupling assembling simultaneously.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. The utility model provides a via hole connecting device, includes box body and sealing member, its characterized in that: the cable connecting device is characterized in that an accommodating cavity is formed in the box body, a connecting seat is arranged outside the box body, a through hole for enabling the connecting seat to be communicated with the accommodating cavity is formed in the box body, one end of the connecting seat is connected with the box body, the other end of the connecting seat is a free end, the sealing element is an elastic sealing element, the sealing element is inserted into the connecting seat and fixedly clamped with the connecting seat, the accommodating cavity is used for accommodating a cable wiring end penetrated by the connecting seat, and the sealing element is used for being sleeved outside a cable and forming elastic sealing between the cable and the connecting seat.
2. The via connection device of claim 1, wherein: the connecting seat with the box body integrated into one piece just is the tubulose setting, the internal diameter of through-hole is less than the internal diameter of connecting seat and the external diameter of sealing member, be close to in the connecting seat free end department still is provided with the toper inclined plane, the internal diameter on toper inclined plane is followed from interior to exterior the axial direction of connecting seat increases gradually.
3. The via connection device of claim 2, wherein: the sealing element is in a tubular arrangement, one end of the sealing element is a head sealing area, the other end of the sealing element is a tail sealing area, one or more first convex ribs are arranged on the outer edge of the head sealing area in the circumferential direction of the sealing element in a surrounding mode, the head sealing area is inserted into the connecting seat, the first convex ribs are in interference fit with the inner wall of the connecting seat, and the tail sealing area stretches out of the connecting seat.
4. The via connection device of any of claims 1-3, wherein: still include the shielding piece, the shielding piece with the sealing member inserts in proper order in the connecting seat and fixed mutually with the connecting seat, the shielding piece is metal shielding piece, the box body is metal box body, the shielding piece is used for the cover to locate the cable and outside and make the shielding layer and the box body formation electric conductance of cable lead to.
5. The via connection apparatus of claim 4, wherein: the shielding part is in a tubular shape, a second groove coaxial with the cable is formed in the outer ring of the shielding part, an annular spring is sleeved in the second groove, and the spring is elastically abutted to the inner wall of the connecting seat and the second groove.
6. The via connection apparatus of claim 5, wherein: the outer ring of the shielding piece is provided with a second convex rib, the second convex rib and the shielding piece are integrally formed, the second convex rib is provided with a second groove, the outer diameter of one end, located on the inner side of the second convex rib, of the shielding piece is smaller than the inner diameter of the through hole and extends into the through hole, the outer diameter of the second convex rib is larger than the inner diameter of the through hole, and the second convex rib is abutted to the outer end part of the through hole.
7. The via connection apparatus of claim 5, wherein: the sealing member is the tubulose setting, still encircle on the inner wall of sealing member and be equipped with first recess, the outer wall of shield is fitted with a contraceptive ring and is equipped with the protruding muscle of third, the outer end of shield inserts in the sealing member, just first recess with the gomphosis of the protruding muscle of third.
8. The via connection device of claim 1, wherein: the box body is further provided with an opening and a cover plate, the opening is communicated with the containing cavity, and the cover plate covers the opening of the box body.
9. A via connection assembly comprising a cable, a lug, and the via connection assembly of any one of claims 1 to 8, wherein an end of the cable is connected to the lug and extends into the cavity through the sealing member, the connector housing, and the through hole, and the lug is fixed in the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611629.0U CN212277843U (en) | 2020-04-21 | 2020-04-21 | Via hole connecting device and via hole connecting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020611629.0U CN212277843U (en) | 2020-04-21 | 2020-04-21 | Via hole connecting device and via hole connecting assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277843U true CN212277843U (en) | 2021-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020611629.0U Active CN212277843U (en) | 2020-04-21 | 2020-04-21 | Via hole connecting device and via hole connecting assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830007A (en) * | 2021-10-19 | 2021-12-24 | 中国第一汽车股份有限公司 | Shock absorber traveller pencil buffering fixing device |
-
2020
- 2020-04-21 CN CN202020611629.0U patent/CN212277843U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830007A (en) * | 2021-10-19 | 2021-12-24 | 中国第一汽车股份有限公司 | Shock absorber traveller pencil buffering fixing device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGZHOU GUANGRI ELECTRICAL EQUIPMENT Co.,Ltd. Assignor: GUANGDONG LINYI NEW ENERGY TECHNOLOGY Co.,Ltd. Contract record no.: X2024980009055 Denomination of utility model: Via connection device and via connection component Granted publication date: 20210101 License type: Common License Record date: 20240705 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Guangdong Kehe New Energy Technology Co.,Ltd. Assignor: GUANGDONG LINYI NEW ENERGY TECHNOLOGY Co.,Ltd. Contract record no.: X2024980010048 Denomination of utility model: Via connection device and via connection component Granted publication date: 20210101 License type: Common License Record date: 20240718 |