CN111520692A

CN111520692A - Sealing member, seal structure and lamps and lanterns

Info

Publication number: CN111520692A
Application number: CN201911086301.XA
Authority: CN
Inventors: 周明杰; 吴柯鑫
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-08-11
Anticipated expiration: 2039-11-08
Also published as: CN111520692B

Abstract

The invention relates to the technical field of sealing structures, in particular to a sealing element, a sealing structure and a lamp. The sealing structure comprises a mounting seat, a sealing element and a cover plate, the mounting seat is provided with a mounting groove, and the bottom surface of the mounting groove is provided with a first wire passing hole. The sealing element is provided with a first through hole and a second through hole, and further comprises a partition piece, wherein the partition piece is located in the second through hole and seals the second through hole, and the partition piece can be punctured through external force. The sealing element is positioned in the mounting groove and tightly propped against the inner surface of the mounting groove, and the first through hole and the second through hole are communicated with the first wire passing hole. The cover plate is connected with the mounting seat and is tightly propped against the sealing element, and the cover plate is also provided with a second wire passing hole communicated with the first through hole and the second through hole. This seal structure cooperatees through mount pad, sealing member and apron, and axial and radial compression sealing member have formed good seal structure, and the sealing member sets up first through-hole and second through-hole, can compromise the introduction of the cable of different quantity, satisfies diversified lead wire demand.

Description

Sealing member, seal structure and lamps and lanterns

Technical Field

The invention relates to the technical field of sealing structures, in particular to a sealing element, a sealing structure and a lamp.

Background

Electric power equipment such as lamps and lanterns and mechanical device all need transmit electric power through the cable, and when introducing the cable, the line crossing department of cable can have certain clearance, and water or dust etc. can get into from this clearance. Therefore, the cable is sealed at the wire passing position by the sealing member.

The sealing element is provided with through holes for cables to pass through, the number of the through holes is the same as that of the cables to be led in, however, the number of the cables is uncertain for different electric power equipment such as lamps and mechanical devices, and the existing sealing element can only be suitable for a single number of cables.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the sealing element of the sealing structure can be used for introducing cables with different quantities, and meets diversified lead requirements.

In order to solve the technical problems, the invention adopts the technical scheme that: the sealing element is provided with a first through hole and a second through hole, and further comprises a partition piece, wherein the partition piece is located in the second through hole and seals the second through hole, and the partition piece can be punctured through external force.

Optionally, the thickness of the spacer in the axial direction of the second through hole is 0.5 to 0.7 mm.

Optionally, the sealing member includes a first surface and a second surface disposed opposite to each other, the second through hole penetrates through the first surface and the second surface, and the spacer is disposed in the second through hole centrally with respect to the first surface and the second surface.

Optionally, the sealing member includes a body and an annular flange, the body is provided with the first through hole and the second through hole, and the annular flange is integrally connected with the body and arranged around the body.

Optionally, the first through hole and the second through hole are used for interference fit with a cable.

Optionally, chamfers are arranged at openings of the first through hole and the second through hole.

The invention also provides a sealing structure which comprises an installation seat, the sealing element and a cover plate, wherein the sealing element and the cover plate are arranged in any one of the installation seat and the installation seat, the installation seat is provided with an installation groove, the bottom surface of the installation groove is provided with a first wire passing hole, the sealing element is positioned in the installation groove and tightly propped against the inner surface of the installation groove, the first through hole and the second through hole are communicated with the first wire passing hole, the cover plate is connected with the installation seat and positioned on one surface of the installation seat, which is provided with the installation groove, and the cover plate tightly propped against the sealing element, and the cover plate is also provided with a second wire passing hole communicated with the first through hole and the second through hole.

Optionally, the first wire passing hole is provided with a plurality of first through holes, and each of the first through holes and each of the second through holes corresponds to one of the first wire passing holes.

Optionally, the mounting seat is further provided with a groove, the groove is arranged around the mounting seat, the sealing structure further comprises a sealing ring, and part of the sealing ring is located in the groove.

In addition, the invention also provides a lamp which comprises the sealing structure.

The embodiment of the invention has the following beneficial effects: when introducing the cable the same with first through-hole quantity, be connected first through-hole and power equipment with the cable is whole to pass, the isolator that is not punctured can play sealed effect to the sealing member, satisfies sealed safeguard function. When cables with the number more than that of the first through holes are introduced, the isolating piece is punctured by external force, and the cables penetrate through the first through holes or the second through holes respectively to be connected with the power equipment. This sealing member is through setting up first through-hole and second through-hole, and the isolator is located the second through-hole, can compromise the introduction of the cable of different quantity, satisfies diversified lead wire demand.

The sealing structure comprises the sealing element, a mounting seat and a cover plate, so that the sealing element can be conveniently connected with other parts. Moreover, the sealing element is arranged in the mounting groove of the mounting seat and is abutted against the inner surface of the mounting groove, the mounting seat can compress the sealing element in the radial direction, and water or dust is prevented from entering from a gap between the sealing element and the mounting seat. Meanwhile, the cover plate is connected with the mounting seat and is tightly abutted to the sealing element so as to compress the sealing element in the axial direction of the sealing element and avoid the separation of the sealing element and the mounting seat.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Wherein:

FIG. 1 is a schematic structural diagram of a sealing member according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the seal of FIG. 1;

FIG. 3 is a schematic structural view of a seal structure according to another embodiment of the present invention;

FIG. 4 is an exploded view of the seal of FIG. 3;

FIG. 5 is a schematic view of the seal of FIG. 3 with the cover plate removed;

FIG. 6 is a cross-sectional view of the structure of FIG. 5;

FIG. 7 is a schematic view of the assembly of the sealing structure of FIG. 3 with gears of the lamp;

fig. 8 is a cross-sectional view of the structure of fig. 7.

Description of reference numerals:

100. a sealing structure;

10. a seal member; 11. a first through hole; 12. a second through hole; 13. a spacer; 14. a first surface; 15. a second surface; 16. a body; 17. an annular flange; 18. chamfering;

20. a mounting seat; 21. mounting grooves; 211. a first wire passing hole; 22. a groove;

30. a cover plate; 31. a second wire passing hole;

40. a seal ring;

200. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 and 2, an embodiment of the present invention provides a sealing element 10 of a sealing structure 100, the sealing element 10 is provided with a first through hole 11 and a second through hole 12, the sealing element 10 further includes a spacer 13, the spacer 13 is located in the second through hole 12 and seals the second through hole 12, and the spacer 13 can be punctured by an external force. In addition, in order to ensure the sealing performance, the sealing member 10 is made of a material such as silicone rubber or rubber.

When cables with the same number as the first through holes 11 are introduced, the cables are all penetrated out from the first through holes 11 to be connected with power equipment, and the unsteaked isolating piece 13 can play a sealing role on the sealing piece 10, so that the sealing protection function is met. When cables more than the number of the first through holes 11 are introduced, the spacer 13 is punctured by an external force, and the cables are connected with the power equipment through the first through holes 11 or the second through holes 12, respectively. This sealing member 10 is through setting up first through-hole 11 and second through-hole 12, and isolator 13 is located second through-hole 12, can compromise the introduction of the cable of different quantity, satisfies diversified lead wire demand.

In the present embodiment, as shown in fig. 1 and 2, the sealing member 10 includes a body 16 and an annular flange 17, the body 16 is provided with a first through hole 11 and a second through hole 12, and the annular flange 17 is integrally connected with the body 16 and disposed around the body 16. Through setting up annular flange 17 and guaranteeing that the sealing member 10 is laminated inseparabler with the installing component when assembling, realize strengthening sealed effect, leave certain clearance with the installing component when can effectively avoiding the assembly of sealing member 10, lead to sealed effect not good. Moreover, the annular flange 17 is integrally connected to the body 16, facilitating the manufacture of the seal 10, irrespective of the assembly of the annular flange 17 to the body 16. Of course, in other embodiments, a groove may be provided on the body 16, the annular flange 17 is sleeved on the body 16, and a part of the structure is located in the groove of the body 16.

It should be noted that, in the present embodiment, the first through hole 11 and the second through hole 12 are used for interference fit with the cable. Adopt interference fit's mode, pass first through-hole 11 or second through-hole 12 with the cable and be connected with power equipment, can effectively avoid water or dust to enter into power equipment by the clearance between cable and first through-hole 11 or second through-hole 12 in, influence power equipment and use. Of course, in other embodiments, the first through hole 11 and the second through hole 12 may be in clearance fit with the cable.

Further, in the present embodiment, as shown in fig. 1 and fig. 2, chamfers 18 are disposed at the openings of the first through hole 11 and the second through hole 12. By providing the chamfers 18 at the openings of the first through hole 11 and the second through hole 12, the sizes of the openings of the first through hole 11 and the second through hole 12 can be increased, and the cables can be conveniently inserted into the first through hole 11 or the second through hole 12.

In the embodiment, as shown in fig. 2, the sealing member 10 is integrally formed, so that the production is easy, the connection problem between the partition 13 and the inner wall of the second through hole 12 does not need to be considered, the overall structure of the sealing member 10 is firmer, and the sealing effect of the sealing member 10 is further ensured. Of course, in other embodiments, the spacer 13 may be fixed to the inner wall of the second through hole 12.

In the present embodiment, as shown in fig. 2, the thickness of the spacer 13 in the axial direction of the second through hole 12 is 0.5 to 0.7 mm. The thickness of the partition 13 along the axial direction of the second through hole 12 is less than 0.5mm, which is inconvenient for integrally processing the sealing element 10, and easily causes the material shortage or uneven processing of the partition 13 part, and affects the sealing effect of the sealing element 10. When cables more than the number of the first through holes 11 are introduced, an external force is required to pierce the spacer 13, and if the thickness of the spacer 13 in the axial direction of the second through hole 12 is greater than 0.7mm, the spacer 13 is not easily pierced due to the excessive thickness of the spacer 13. Of course, in other embodiments, the thickness of the spacer 13 in the axial direction of the second through hole 12 may be set as needed.

It should be noted that, in the present embodiment, as shown in fig. 2, the spacer 13 is centrally disposed in the second through hole 12. Specifically, the sealing member 10 includes a first surface 14 and a second surface 15 disposed opposite to each other, the second through hole 12 penetrates through the first surface 14 and the second surface 15, and the spacer 13 is disposed in the second through hole 12 centrally opposite to the first surface 14 and the second surface 15. When cables with more than the number of the first through holes 11 are introduced, an external force is required to puncture the partition 13 to meet cable connection requirements, and the partition 13 is centrally arranged in the second through hole 12 relative to the first surface 14 and the second surface 15 to facilitate puncturing the partition 13 from two directions, so that the sealing member 10 is assembled without considering the assembling direction. Of course, in other embodiments, the spacer 13 may be disposed at any position in the second through hole 12.

As shown in fig. 3 to 6, an embodiment of the present invention further provides a sealing structure 100 including the above-mentioned sealing member 10, and the sealing structure 100 further includes a mounting seat 20 and a cover plate 30. The mounting seat 20 is provided with a mounting groove 21, and a first wire passing hole 211 is formed in the bottom surface of the mounting groove 21. The sealing member 10 is disposed in the mounting groove 21 and tightly abuts against the inner surface of the mounting groove 21, and the first through hole 11 and the second through hole 12 are both communicated with the first wire passing hole 211. The cover plate 30 is connected to the mounting seat 20 and located on the side of the mounting seat 20 where the mounting groove 21 is located, the cover plate 30 abuts against the sealing element 10, and the cover plate 30 is further provided with a second wire passing hole 31 communicated with both the first through hole 11 and the second through hole 12.

The mounting seat 20 and the cover plate 30 are provided to facilitate connection of the sealing member 10 to other components. Furthermore, the sealing member 10 is located in the mounting groove 21 of the mounting seat 20 and abuts against the inner surface of the mounting groove 21, and the mounting seat 20 can press the sealing member 10 in the radial direction, thereby preventing water or dust from entering from the gap between the sealing member 10 and the mounting seat 20. Meanwhile, the cover plate 30 is connected with the mounting seat 20 and abuts against the sealing element 10 to compress the sealing element 10 in the axial direction of the sealing element 10, so as to prevent the sealing element 10 from being separated from the mounting seat 20.

In the present embodiment, as shown in fig. 6, the first wire holes 211 are provided in plural, and each of the first through holes 11 and each of the second through holes 12 correspond to one first wire hole 211. When inserting the cable, first through-hole 11 and second through-hole 12 all with first cross the line hole 211 one-to-one for each cable that passes first through-hole 11 or pass second through-hole 12 all independently passes in the first line hole 211 of crossing of each correspondence, has effectively avoided many cables to intersect together, makes the wiring neater, pleasing to the eye. In addition, the first wire passing hole 211 plays a role in limiting the position of the cable, and the sealing effect is better. Of course, in other embodiments, only one first wire passing hole 211 may be provided, and the cables passing through the first through hole 11 and the second through hole 12 are joined together in the first wire passing hole 211.

In the present embodiment, as shown in fig. 3 and 4, the cover plate 30 is detachably connected to the mounting seat 20, so as to facilitate the assembly of the sealing member 10, the mounting seat 20 and the cover plate 30. When the sealing element is installed, the sealing element 10 is firstly arranged in the installation groove 21 and tightly abutted against the inner surface of the installation groove 21, then the cover plate 30 is tightly abutted against the sealing element 10, and the screw is screwed down to connect the cover plate 30 with the installation seat 20.

In the present embodiment, as shown in fig. 5 and 6, the mounting seat 20 is further provided with a groove 22, the groove 22 is disposed around the mounting seat 20, the sealing structure 100 further includes a sealing ring 40, and part of the structure of the sealing ring 40 is located in the groove 22 to realize sealing on the outer surface of the mounting seat 20.

Taking the sealing structure 100 as an example to be applied to a lamp, as shown in fig. 7 and 8, the lamp further includes a gear 200, the gear 200 is sleeved on the mounting seat 20, and the sealing ring 40 abuts against an inner wall of the gear 200. By providing the sealing ring 40, the sealing effect is improved, and water or dust is prevented from entering the lamp through the gap between the gear 200 and the mounting seat 20. Moreover, the groove 22 is formed in the outer surface of the mounting seat 20, and part of the structure of the sealing ring 40 is located in the groove 22, so that the sealing ring 40 can be prevented from moving along the axial direction of the mounting seat 20, and the sealing effect is prevented from being influenced by the position change of the sealing ring 40. Of course, in other embodiments, the sealing ring 40 can be directly fitted on the mounting seat 20 without providing the groove 22. It should be noted that the seal structure 100 is not limited to being connected to the gear 200, nor is the seal 10 and seal structure 100 described above limited to use in a light fixture.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.

Claims

1. The sealing element is characterized in that the sealing element is provided with a first through hole and a second through hole, the sealing element further comprises a partition piece, the partition piece is located in the second through hole and seals the second through hole, and the partition piece can be punctured through external force.

2. The seal of claim 1, wherein the thickness of the spacer in the direction of the axis of the second through hole is 0.5-0.7 mm.

3. The seal of claim 1, wherein the seal includes first and second oppositely disposed surfaces, the second through-hole extends through the first and second surfaces, and the spacer is centrally disposed within the second through-hole relative to the first and second surfaces.

4. The seal of claim 1, wherein said seal comprises a body defining said first and second through-holes and an annular flange integrally connected to and disposed about said body.

5. The seal of claim 1, wherein the first and second through-holes are for an interference fit with a cable.

6. The seal of claim 5, wherein the openings of the first and second through holes are chamfered.

7. A sealing structure, comprising:

the installation seat is provided with an installation groove, and the bottom surface of the installation groove is provided with a first wire passing hole;

the sealing element according to any one of claims 1 to 6, wherein the sealing element is located in the mounting groove and tightly abuts against the inner surface of the mounting groove, and the first through hole and the second through hole are both communicated with the first wire passing hole; and

the cover plate is connected with the mounting seat and located on one surface, provided with the mounting groove, of the mounting seat, the cover plate is abutted against the sealing element, and the cover plate is further provided with a second wire passing hole communicated with the first through hole and the second through hole.

8. The sealing structure according to claim 7, wherein the first via hole is provided in plurality, and each of the first through holes and each of the second through holes corresponds to one of the first via holes.

9. The seal structure of claim 7, wherein the mounting block is further provided with a groove disposed around the mounting block, the seal structure further comprising a seal ring, and a portion of the seal ring is disposed within the groove.

10. A luminaire comprising a sealing structure according to any one of claims 7 to 9.