CN211557758U - Sealing cable joint structure - Google Patents
Sealing cable joint structure Download PDFInfo
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- CN211557758U CN211557758U CN202020016967.XU CN202020016967U CN211557758U CN 211557758 U CN211557758 U CN 211557758U CN 202020016967 U CN202020016967 U CN 202020016967U CN 211557758 U CN211557758 U CN 211557758U
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- pressing plate
- flange
- mounting groove
- plate
- sealing gasket
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Abstract
The utility model discloses a sealing cable joint structure, which comprises a first flange pressing plate, a second flange pressing plate, a sealing gasket and a flange mounting groove; the flange mounting groove is arranged on the equipment shell, and a through hole for penetrating a cable is formed in the bottom of the flange mounting groove; during assembly, the first flange pressing plate, the second flange pressing plate and the sealing gasket are all sleeved on the cable, the first flange pressing plate, the second flange pressing plate and the sealing gasket are sequentially arranged in the flange mounting groove in a stacking mode from top to bottom, and the end portion of the cable penetrates through the through hole to enter the shell of the equipment; one pair of side walls of the first flange pressing plate and the second flange pressing plate are pressed and attached to one pair of inner groove walls of the flange mounting groove in an inclined plane. The utility model provides a sealed cable joint design can make joint department obtain reliable sealing performance when realizing in the great cable of tip size can penetrate equipment shell, has improved the waterproof dustproof effect of equipment.
Description
Technical Field
The utility model relates to a cable equipment field, concretely relates to sealed cable joint design.
Background
Electronic devices typically require a housing to contain internal circuit structures while providing protection against water, dust, etc. To exchange information or energy, the inside and outside of the housing of the electronic device usually need to be connected with the inside and outside of the housing through cables. Cable is a generic term for optical cables, electrical cables, and the like.
At present, a cable exists, the end part of which has a larger physical size, and the end part of the cable must be fully extended into the shell to complete the connection between the inside and the outside of the shell, so the size of an opening on the shell needs to be designed to be larger; however, when the end of the cable is inserted into the housing and connected, the thinner portion of the cable is located at the opening of the housing, and thus the sealing performance is difficult to be ensured. If the sealing performance of the joint of the shell and the cable is poor, the waterproof and dustproof performance of the cable cannot meet the requirement, and therefore the service life of equipment is affected.
To address this problem, there are some solutions in the prior art, such as adding a sealing ring at the joint of the cable and the housing opening. With the existing joint structure, the protection level can reach IP44 (preventing solid foreign objects with the diameter larger than 1.0mm from entering and preventing splashed water from entering), but the higher protection level cannot be reached. Therefore, in order to make the apparatus capable of penetrating the cable with a large end size and obtain more reliable sealing performance, a new cable joint structure needs to be designed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a sealed cable joint structure, which includes a first flange pressing plate, a second flange pressing plate, a sealing gasket, and a flange mounting groove;
the flange mounting groove is arranged on the equipment shell, and a through hole for penetrating a cable is formed in the bottom of the flange mounting groove;
during assembly, the first flange pressing plate, the second flange pressing plate and the sealing gasket are all sleeved on the cable, the first flange pressing plate, the second flange pressing plate and the sealing gasket are sequentially arranged in the flange mounting groove in a stacking mode from top to bottom, and the end portion of the cable penetrates through the through hole to enter the shell of the equipment;
and one pair of side plate walls of the first flange pressing plate and the second flange pressing plate are pressed and attached to one pair of inner groove walls of the flange mounting groove in an inclined plane.
In some embodiments:
the first flange pressing plate comprises a first pressing plate and a first semicircular groove column arranged on the first pressing plate;
the second flange pressing plate comprises a second pressing plate and a second semicircular groove column arranged on the second pressing plate;
the sealing gasket comprises a bottom gasket with a central through hole and a hollow cylindrical convex gasket arranged on the bottom gasket;
when first flange clamp plate, second flange clamp plate and sealing gasket from top to bottom stack gradually and set up when in the flange mounting groove, first semicircle type recess post with the mutual lock of second semicircle type recess post to form one and can be used to wear to establish the whole circle type recess post of protruding gasket.
In some embodiments:
the first pressing plate and the second pressing plate are isosceles trapezoidal plates, one pair of side plate surfaces of each isosceles trapezoidal plate is an inclined surface, and the other pair of side plate surfaces of each isosceles trapezoidal plate is a vertical surface;
the flange mounting groove is a square groove, one pair of inner groove walls of which are inclined planes, and the other pair of inner groove walls of which are vertical planes;
the two side plate surfaces of the first pressing plate and the second pressing plate, which are provided with the inclined surfaces, are respectively in inclined surface pressing fit with the two inner groove walls of the flange mounting groove, which are provided with the inclined surfaces;
two side plate surfaces of the first pressing plate and the second pressing plate, which are provided with the vertical surfaces, correspond to two inner groove walls of the flange mounting groove, which are provided with the vertical surfaces, respectively, and are pressed and attached together in a mutually planar mode.
In some embodiments: the first pressing plate is also provided with a first U-shaped notch, one end of the first U-shaped notch is communicated with the first semicircular groove column, and the other end of the first U-shaped notch is communicated with one side plate surface of the first pressing plate, wherein the side plate surface is provided with an inclined plane;
a second U-shaped notch is formed in the second pressing plate, one end of the second U-shaped notch is communicated with the second semicircular groove column, and the other end of the second U-shaped notch is communicated with one side plate surface of the second pressing plate, wherein the side plate surface is provided with an inclined plane;
during assembly, the side plate surface of the first pressing plate communicated with the first U-shaped notch and the side plate surface of the second pressing plate communicated with the second U-shaped notch deviate from each other; the notch of the first semicircular groove column is opposite to the notch of the second semicircular groove column and matched with the notch of the first semicircular groove column to form a full-circle groove column which can be used for penetrating the convex gasket.
In some embodiments:
the inclination angles of the two side plate surfaces of the first pressing plate and the second pressing plate provided with the inclined planes are both 20 degrees; the inclination angles of the two inner groove walls of the flange mounting groove provided with the inclined planes are both 20 degrees.
In some embodiments: the first flange pressing plate, the second flange pressing plate and the sealing gasket are sequentially arranged in the flange mounting groove in a stacking mode from top to bottom and are fastened through screw connection.
In some embodiments: the sealing gasket is made of a rubber material.
Compared with the prior art, the utility model has the advantages that: the utility model provides a sealed cable joint structure adopts sealing gasket, first flange clamp plate and second flange clamp plate, fixes in the flange mounting groove on the shell, and has set up the inclined plane and has compressed tightly laminated structure, can make joint department obtain reliable sealing performance in realizing that the great cable of tip size can penetrate the equipment shell, has improved the waterproof dustproof effect of equipment.
Drawings
Other objects and advantages of the present invention will become apparent from the following description of the invention, which is made with reference to the accompanying drawings, and can help to provide a thorough understanding of the present invention.
Fig. 1 is an exploded view of a sealed cable joint structure provided by the present invention;
fig. 2 is a side sectional view of the sealing cable joint structure provided by the present invention;
FIG. 3 is an enlarged view of the sealing gasket of FIG. 1;
fig. 4 is a schematic view of an intermediate stage when the sealing cable joint structure provided by the present invention is used for connection;
fig. 5 is a schematic view of the sealed cable joint structure according to the present invention after the connection is completed.
Description of reference numerals: 1. a first platen; 2. a second platen; 3. a sealing gasket; 4. mounting grooves; 10. a housing, 20, a cable; 1.1, a first pressing plate; 1.2, a first semicircular groove column; 2.1, a second pressing plate; 2.2, a second semicircular groove column; 3.1, bottom lining; 3.2, convex liner; 1.1a, a first U-shaped notch; 2.1a, a second U-shaped notch; 4a, through holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs.
Referring to fig. 1-5, the present invention provides a sealed cable joint structure for connecting a cable 20 to the inside of a housing 10 of a device and sealing and fixing the cable on the housing 10 of the device. The flange mounting structure comprises a first flange pressing plate 1, a second flange pressing plate 2, a sealing gasket 3 and a flange mounting groove 4; the flange mounting groove 4 is disposed on the device housing 10, and a through hole 4a for passing the cable 20 is opened at the bottom of the flange mounting groove 4. The end of the cable 20 is not shown in fig. 4 and 5, it being understood that the end of the cable 20 is of a size larger than the linear portion of the cable 20 shown, and the through hole 4a is of a size to allow the end of the cable 20 to pass through. In addition, the notch at the lower left corner of the casing 10 in fig. 1, 4 and 5 is only for showing the internal structure more clearly, and the casing 10 in the actual product is complete, and the notch does not exist.
During assembly, the first flange pressing plate 1, the second flange pressing plate 2 and the sealing gasket 3 are all sleeved on the cable 20, the first flange pressing plate 1, the second flange pressing plate 2 and the sealing gasket 3 are sequentially arranged in the flange mounting groove 4 in a stacking mode from top to bottom, and the end portion of the cable 20 penetrates through the through hole 4a to enter the shell 10 of the equipment; one of them pair of side walls of first flange clamp plate 1 and second flange clamp plate 2 all still is the inclined plane with one of them pair of interior cell wall of flange mounting groove 4 and compresses tightly the laminating.
Preferably, the first flange pressing plate 1 comprises a first pressing plate 1.1 and a first semicircular groove column 1.2 arranged on the first pressing plate 1.1; the second flange pressing plate 2 comprises a second pressing plate 2.1 and a semicircular second semicircular groove column 2.2 arranged on the second pressing plate 2.1; the sealing gasket 3 comprises a bottom gasket 3.1 with a central through hole and a hollow cylindrical convex gasket 3.2 arranged on the bottom gasket 3.1; when the first flange pressing plate 1, the second flange pressing plate 2 and the sealing gasket 3 are sequentially stacked in the flange mounting groove 4 from top to bottom, the first semicircular groove column 1.2 and the second semicircular groove column 2.2 are mutually buckled to form a full-circle groove column which can be used for penetrating the convex gasket 3.2.
In the illustrated embodiment, the first pressing plate 1.1 and the second pressing plate 2.1 are both isosceles trapezoidal plates, one pair of side plate surfaces of which are inclined surfaces, and the other pair of side plate surfaces of which are vertical surfaces; the flange mounting groove 4 is a square groove, one pair of inner groove walls of which are inclined planes, and the other pair of inner groove walls of which are vertical planes; the two side plate surfaces of the first pressing plate 1.1 and the second pressing plate 2.1 provided with the inclined planes are respectively pressed and attached to the two inner groove walls of the flange mounting groove 4 provided with the inclined planes in an inclined plane manner; two side plate surfaces of the first pressing plate 1.1 and the second pressing plate 2.1 provided with the vertical surfaces are respectively corresponding to two inner groove walls provided with the vertical surfaces with the flange mounting grooves 4 and are pressed and attached in a mutually planar manner.
Furthermore, a first U-shaped notch 1.1a is further formed in the first pressing plate 1.1, one end of the first U-shaped notch 1.1a is communicated with the first semicircular groove column 1.2, and the other end of the first U-shaped notch is communicated with one side plate surface of the first pressing plate 1.1, wherein the side plate surface is provided with an inclined plane; a second U-shaped notch 2.1a is further formed in the second pressing plate 2.1, one end of the second U-shaped notch 2.1a is communicated with the second semicircular groove column 2.2, and the other end of the second U-shaped notch is communicated with one side plate face of the second pressing plate 2.1, wherein the side plate face is provided with an inclined plane.
During assembly, the side plate surface of the first pressing plate 1.1 communicated with the first U-shaped notch 1.1a and the side plate surface of the second pressing plate 2.1 communicated with the second U-shaped notch 2.1a deviate from each other; the notch of the first semicircular groove column 1.2 is opposite to the notch of the second semicircular groove column 2.2, and the notches are matched with each other to form a full-circle groove column which can be used for penetrating the convex liner 3.2.
Preferably, the inclination angles of the two side plate surfaces of the first pressing plate 1.1 and the second pressing plate 2.1 provided with the inclined planes are both 20 degrees; the inclination angles of the two inner groove walls of the flange mounting groove 4 provided with the inclined surfaces are also 20 degrees.
Further, the first flange pressing plate 1, the second flange pressing plate 2 and the sealing gasket 3 are sequentially stacked in the flange mounting groove 4 from top to bottom and are fastened through screw connection. Threaded holes may be provided in the corners of each structure in the manner shown, so that the structures can be fixed to each other by screws. After the fixation is finished, the first pressing plate 1.1 is tightly attached to the second pressing plate 2.1, the second pressing plate 2.1 is tightly attached to the bottom lining 3.1, and the bottom lining 3.1 is tightly attached to the bottom of the mounting groove 4.
The sealing liner 3 may be made of a rubber material. The bottom gasket 3.1 and the convex gasket 3.2 of the sealing gasket 3 are integrally formed during manufacturing, and the size of the hole in the sealing gasket 3 can be designed according to the model of the cable 20, so that the sealing gasket 3 can tightly cover the cable 20. In addition, the first flange pressure plate 1 and the second flange pressure plate 2 can be integrally molded during manufacturing.
In the illustrated embodiment, the bottom of the mounting groove 4 is rectangular, and the bottom surfaces of the bottom lining 3.1, the first pressing plate 1.1 and the second pressing plate 2.1 are all correspondingly rectangular; and the mounting groove 4 is surrounded by a protruding rib protruding with respect to the housing 10 of the device. In other embodiments, other ways can be used, for example, the mounting groove 4 can be formed by the housing 10 being recessed downward and not surrounded by the protruding ribs; the bottom of the installation groove 4 may not be rectangular, but may be circular or have any other suitable shape, and the shapes of the bottom lining 3.1, the first pressing plate 1.1 and the second pressing plate 2.1 may be changed accordingly.
In the actual assembly process, as shown in fig. 3, firstly, the integrally formed sealing gasket 3 made of a rubber material can be cut along the dotted line shown in the figure, then the sealing gasket 3 can be sleeved at the position corresponding to the cable 20, and then the sealing gasket 3 is bonded by using a vulcanized silicone rubber adhesive at room temperature, so that the sealing gasket 3 can be restored into a whole; in addition, the sealing gasket 3 can be sleeved on the cable 20 in advance before the connector at the end of the cable 20 is injected, and is suitable for mass production; next, referring to fig. 4, the end of the cable 20 is inserted through the through hole of the bottom of the installation groove 4, and the bottom gasket of the sealing gasket 3 is placed on the bottom of the installation groove 4; referring to fig. 1 and 5 again, the first flange pressing plate 1 and the second flange pressing plate 2 are sleeved on the convex gasket 3.2 of the sealing gasket 3 along opposite directions by using the first U-shaped gap 1.1a and the second U-shaped gap 2.1a, and the first pressing plate 1.1 is arranged below the second pressing plate 2.1, and the first semicircular groove column 1.2 and the second semicircular groove column 2.2 are buckled with each other to completely cover the convex gasket 3.2; and finally, fixing the first pressing plate 1, the second pressing plate 2 and the sealing gasket 3 in the mounting groove 4 by using screws and corresponding threaded holes, and finishing assembly.
After the structure is arranged and the assembly is completed, the screw is screwed to apply vertical downward (based on the direction in the attached drawing) pressure to the first pressure plate 1.1, the second pressure plate 2.1 and the bottom gasket 3.1, at the moment, because the contact surfaces of the first pressure plate 1.1 and the second pressure plate 2.1 and the mounting groove 4 are inclined planes, the first pressure plate 1.1 and the second pressure plate 2.1 can bear the supporting force with a horizontal component from the mounting groove 4, and further the first flange pressure plate 1 and the second flange pressure plate 2 generate a horizontal clamping force on the sealing gasket 3; therefore, the sealing gasket 3 can be restrained by the force applied in different directions, so that tight connection is realized, the sealing performance of the joint is better improved, and the waterproof and dustproof effects of the equipment are improved. Utilize the utility model provides a sealed cable joint structure, its protection level can reach the requirement of IP55 (prevent foreign object and dust, prevent that the water that sprays from soaking), is superior to current cable joint structure.
To sum up, the utility model provides a sealed cable joint design adopts sealing gasket 3, first flange clamp plate 1 and second flange clamp plate 2, fixes in flange mounting groove 4 on shell 10, and has set up the inclined plane and compressed tightly the laminating structure, can realize in the great cable of tip size can penetrate the equipment shell, makes joint department obtain reliable sealing performance, has improved the waterproof dustproof effect of equipment.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A sealed cable joint design which characterized in that: comprises a first flange pressing plate (1), a second flange pressing plate (2), a sealing gasket (3) and a flange mounting groove (4);
the flange mounting groove (4) is arranged on the equipment shell (10), and a through hole (4a) for penetrating the cable (20) is formed in the bottom of the flange mounting groove (4);
during assembly, the first flange pressing plate (1), the second flange pressing plate (2) and the sealing gasket (3) are all sleeved on the cable (20), the first flange pressing plate (1), the second flange pressing plate (2) and the sealing gasket (3) are sequentially arranged in the flange mounting groove (4) in a stacking mode from top to bottom, and the end portion of the cable (20) penetrates through the through hole (4a) to enter the shell (10) of the equipment;
and one pair of side walls of the first flange pressing plate (1) and the second flange pressing plate (2) are pressed and attached to one pair of inner groove walls of the flange mounting groove (4) in an inclined plane manner.
2. The sealed cable joint construction of claim 1, wherein:
the first flange pressing plate (1) comprises a first pressing plate (1.1) and a first semicircular groove column (1.2) arranged on the first pressing plate (1.1);
the second flange pressing plate (2) comprises a second pressing plate (2.1) and a second semicircular groove column (2.2) which is arranged on the second pressing plate (2.1) and is semicircular;
the sealing gasket (3) comprises a bottom gasket (3.1) with a central through hole and a hollow cylindrical convex gasket (3.2) arranged on the bottom gasket (3.1);
work as first flange clamp plate (1), second flange clamp plate (2) and sealing liner (3) from top to bottom stack gradually and set up when in flange mounting groove (4), first semicircle type recess post (1.2) with the mutual lock of second semicircle type recess post (2.2) to form one and be used for wearing to establish the whole circle type recess post of protruding liner (3.2).
3. The sealed cable joint construction of claim 2, wherein:
the first pressing plate (1.1) and the second pressing plate (2.1) are isosceles trapezoidal plates, one pair of side plate surfaces of each isosceles trapezoidal plate is an inclined surface, and the other pair of side plate surfaces of each isosceles trapezoidal plate is a vertical surface;
the flange mounting groove (4) is a square groove, one pair of inner groove walls of which are inclined planes, and the other pair of inner groove walls of which are vertical planes;
the two side plate surfaces of the first pressing plate (1.1) and the second pressing plate (2.1) provided with the inclined surfaces are respectively and correspondingly pressed and attached to the two inner groove walls of the flange mounting groove (4) provided with the inclined surfaces in an inclined surface manner;
two side plate surfaces of the first pressing plate (1.1) and the second pressing plate (2.1) provided with the vertical surfaces are equally corresponding to two inner groove walls of the flange mounting groove (4) provided with the vertical surfaces respectively and are pressed and attached by the same plane.
4. The sealed cable joint construction of claim 3, wherein: a first U-shaped notch (1.1a) is further formed in the first pressing plate (1.1), one end of the first U-shaped notch (1.1a) is communicated with the first semicircular groove column (1.2), and the other end of the first U-shaped notch is communicated with one side plate surface of the first pressing plate (1.1), wherein the side plate surface is provided with an inclined plane;
a second U-shaped notch (2.1a) is further formed in the second pressing plate (2.1), one end of the second U-shaped notch (2.1a) is communicated with the second semicircular groove column (2.2), and the other end of the second U-shaped notch is communicated with one side plate surface of the second pressing plate (2.1), wherein the side plate surface is provided with an inclined plane;
during assembly, the side plate surface of the first pressing plate (1.1) communicated with the first U-shaped notch (1.1a) and the side plate surface of the second pressing plate (2.1) communicated with the second U-shaped notch (2.1a) deviate from each other; the notch of the first semicircular groove column (1.2) is opposite to the notch of the second semicircular groove column (2.2) and matched with the notches to form a full-circle groove column which can be used for penetrating the convex liner (3.2).
5. The sealed cable joint construction of claim 3 or 4, wherein:
the inclination angles of two side plate surfaces of the first pressing plate (1.1) and the second pressing plate (2.1) provided with inclined planes are both 20 degrees; the inclination angles of the two inner groove walls of the flange mounting groove (4) with the inclined planes are both 20 degrees.
6. The sealed cable joint construction of claim 1, wherein: the first flange pressing plate (1), the second flange pressing plate (2) and the sealing gasket (3) are sequentially arranged in the flange mounting groove (4) in a stacking mode from top to bottom and are fastened through screw connection.
7. The sealed cable joint construction of claim 1, wherein: the sealing gasket (3) is made of a rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016967.XU CN211557758U (en) | 2020-01-06 | 2020-01-06 | Sealing cable joint structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020016967.XU CN211557758U (en) | 2020-01-06 | 2020-01-06 | Sealing cable joint structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211557758U true CN211557758U (en) | 2020-09-22 |
Family
ID=72489792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020016967.XU Expired - Fee Related CN211557758U (en) | 2020-01-06 | 2020-01-06 | Sealing cable joint structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211557758U (en) |
-
2020
- 2020-01-06 CN CN202020016967.XU patent/CN211557758U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 Termination date: 20220106 |