CN216794017U - Box type sealing wiring terminal strip - Google Patents
Box type sealing wiring terminal strip Download PDFInfo
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- CN216794017U CN216794017U CN202220298812.9U CN202220298812U CN216794017U CN 216794017 U CN216794017 U CN 216794017U CN 202220298812 U CN202220298812 U CN 202220298812U CN 216794017 U CN216794017 U CN 216794017U
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Abstract
The utility model discloses a box-type sealed wiring terminal block, which comprises a box bottom, a box cover and a cable mounting structure, wherein semicircular holes are symmetrically formed in the top of the front side wall and the back side wall of the box bottom and the bottom of the front side wall and the back side wall of the box cover, a groove is formed in the lower surface of the box cover, a rubber strip is assembled in the groove, a pressing strip is integrally formed on the upper surface of the box bottom, the cable mounting structure comprises a mounting sleeve, and an annular bulge is integrally formed on the outer wall of the mounting sleeve. Further ensure that when the cable is bent, the liquid still cannot flow down along the cable.
Description
Technical Field
The utility model belongs to the technical field of terminal blocks, and particularly provides a box-type sealed terminal block.
Background
In the cable connection work, a terminal block is needed to be used to complete the connection of two cables, and the conventional terminal block which is commonly used is exposed in the air for a connection part and does not have the function of waterproof sealing. In the wiring process, generally use the fixed cable of metal covering structure, do not have insulating effect, and can't guarantee the sealed between metal covering and the cable, make liquid flow to the cable junction along the cable surface easily, influence the actual work of cable. In addition, the cable with the processed end part can not be fixed after passing through the metal sleeve generally, so that the metal sleeve has more limitations in the use process. Therefore, a box-type sealed terminal block which has good sealing performance, is convenient for completing the fixation of the cables and ensures that the sealing between box-type structures and the cables reaches the IP67 standard is needed.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problems, the present invention provides a box-type sealed terminal block.
In order to achieve the purpose, the utility model adopts the technical scheme that: the box-type sealed wiring terminal block comprises a box bottom, a box cover and a cable mounting structure, wherein the box cover is fixed on the box bottom through bolts, semicircular holes are symmetrically formed in the top of the front side wall and the bottom of the rear side wall of the box bottom and the bottom of the front side wall and the rear side wall of the box cover, the cable mounting structure is assembled in the semicircular holes, a groove is formed in the lower surface of the box cover, a rubber strip is assembled in the groove, and a pressing strip is integrally formed on the upper surface of the box bottom;
the cable mounting structure comprises a mounting sleeve, an annular bulge is integrally formed on the outer wall of the mounting sleeve, the inner diameter of the mounting sleeve is smaller than the diameter of a cable, and a first annular groove corresponding to the annular bulge is formed in the inner wall of the mounting sleeve.
Further, the lower surface of case lid has seted up the multistage the recess, and the both ends of recess all set up on the inner wall of semicircle orifice, the mounting hole has been seted up to the upper surface of case lid, and the mounting hole is located the outside of recess.
Furthermore, the number of the annular bulges is four, the diameters of the two annular bulges at the outer side are larger than those of the two annular bulges at the inner side, and the diameters of the two annular bulges at the inner side are larger than those of the semicircular holes.
Furthermore, the outer end of the installation sleeve is fixedly provided with one end of a folding pipe, and the other end of the folding pipe is fixedly provided with a cable sleeve.
Further, the inner diameter of the cable sleeve is equal to that of the installation sleeve, and a second annular groove is uniformly formed in the inner wall of the cable sleeve.
The beneficial effects of the utility model are as follows:
1. the structure of the box bottom, the box cover and the cable mounting structure is designed, and the wiring terminal block is designed to be of a box type structure, so that direct inflow of water is avoided, and the cable connection part is protected.
2. The structure of recess, rubber strip and layering has been designed, can guarantee the leakproofness after the bottom of the case and the installation of case lid, presses back on the rubber strip at the layering, can make the rubber strip bulge from the recess both sides, and the cooperation assembly realizes the sealed of cable mounting structure and the bottom of the case, case lid at the downthehole rubber material's of semicircle installation cover.
3. The cable mounting structure of rubber material has been designed, guaranteed with the insulating nature between the cable, and the elastic property of rubber makes the cable can make things convenient for more effectual passing through and accomplish fixedly.
4. The first annular groove and the second annular groove are formed in the inner walls of the installation sleeve and the cable sleeve respectively, the annular protruding structures formed between the annular grooves can be tightly attached to the surface of the cable, liquid cannot flow to the cable connection position along the surface of the cable, sealing between the cable and the cable installation structure is achieved, the sealing performance of the device is guaranteed through the multiple sealing structure, and the sealing grade reaches IP 67.
5. The structure of folding cover has been designed in cable mounting structure, can be along with the cable is crooked and crooked together, makes installation cover and cable cover appear deforming when avoiding the cable crooked, further guarantees that when the cable is crooked, liquid still can't flow down along the cable.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a front view of the base and cover of the present invention.
Fig. 3 is a bottom view of the case lid of the present invention.
Fig. 4 is a front view of the bottom of the case according to the utility model.
Fig. 5 is a schematic view of the mounting sleeve of the present invention.
Fig. 6 is a front cross-sectional view of the mounting sleeve of the present invention.
Fig. 7 is a schematic view of a cable installation structure of the present invention.
Fig. 8 is a front sectional view of the cable mounting structure of the present invention.
Fig. 9 is a front view of the cable mounting structure of the present invention after bending.
The reference numerals include: 1. the box bottom, 2, the box cover, 3, the cable mounting structure, 301, the mounting sleeve, 302, the annular bulge, 303, the first annular groove, 304, the folding tube, 305, the cable sleeve, 306, the second annular groove, 4, the semicircular hole, 5, the groove, 6, the rubber strip, 7 and the pressing strip.
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.
Example one
Referring to fig. 1 to 4, the box-type sealing terminal block comprises a box bottom 1, a box cover 2 and a cable mounting structure 3, wherein the box cover 2 is fixed on the box bottom 1 through bolts, semicircular holes 4 are symmetrically formed in the top of the front side wall and the back side wall of the box bottom 1 and the bottom of the front side wall and the back side wall of the box cover 2, the cable mounting structure 3 is assembled in the semicircular holes 4, a groove 5 is formed in the lower surface of the box cover 2, a rubber strip 6 is assembled in the groove 5, and a pressing strip 7 is integrally formed on the upper surface of the box bottom 1;
the structure of the box bottom 1 is the same as that of the traditional terminal strip, and a box-type structure is formed by matching the box bottom 1 and the box cover 2, so that liquid cannot flow to the terminal strip, and the protection effect is achieved;
the semicircular holes 4 on the box bottom 1 and the box cover 2 can be combined to form circular holes, and the cable mounting structures 3 are mounted in the circular holes;
after the box cover 2 is buckled on the box bottom 1 and is installed and fixed through bolts, the pressing strips 7 can be inserted into the grooves 5 and extrude the rubber strips 6 to achieve a sealing effect, in addition, the rubber strips 6 can be deformed by extruding the rubber strips 6, and the end parts of the rubber strips 6 can bulge out of the two ends of the grooves 5 and are used for auxiliary clamping and fixing of the cable installation structure 3;
a clapboard can be arranged in the box bottom 1 according to the actual situation;
in practical application, the sizes of the box bottom 1 and the box cover 2 can be adjusted according to specific conditions, and different numbers of semicircular holes 4 are selectively arranged;
as shown in fig. 5 and 6, the cable mounting structure 3 includes a mounting sleeve 301, an annular protrusion 302 is integrally formed on an outer wall of the mounting sleeve 301, an inner diameter of the mounting sleeve 301 is smaller than a diameter of the cable, and a first annular groove 303 corresponding to the annular protrusion 302 is formed on an inner wall of the mounting sleeve 301.
Set up first ring channel 303, can make the installation cover 301 inner wall form three inside annular bulge structures, and the diameter of annular bulge structure slightly is lighter than the diameter of cable, makes liquid can't pass through annular bulge structure, has guaranteed the sealed between installation cover 301 and the cable.
The annular bulge 302 of the mounting sleeve 301 is arranged in the semicircular hole 4, and when the box cover 2 is mounted on the box bottom 1, the box cover is extruded by the rubber strip 6 and the semicircular hole 4, so that the mounting sleeve 301 is clamped and fixed.
Specifically, as shown in fig. 3, a plurality of grooves 5 are formed in the lower surface of the case cover 2, two ends of each groove 5 are formed in the inner wall of the corresponding semicircular hole 4, and a mounting hole is formed in the upper surface of the case cover 2 and located outside the corresponding groove 5.
The distribution situation of the upper pressing strip 7 on the box bottom 1 corresponds to the distribution situation of the groove 5 on the box cover 2, the pressing strip 7 can be accurately inserted into the groove 5, and the two ends of the groove 5 are positioned on the inner wall of the semicircular hole 4, so that when the pressing strip 7 compresses the rubber strip 6, the two ends of the rubber strip 6 can be guaranteed to bulge on the inner wall of the semicircular hole 4.
The box bottom 1 and the box cover 2 are installed through bolts, the bolts need to penetrate through the installation holes, and the installation holes are formed in the outer sides of the grooves 5, so that the tightness of the device cannot be affected by the installation of the bolts.
Specifically, as shown in fig. 5 and 6, the annular protrusions 302 have four in total, the outer two annular protrusions 302 have a diameter larger than the inner two annular protrusions 302, and the inner two annular protrusions 302 have a diameter larger than the semicircular hole 4.
In placing semicircle orifice 4 with installation cover 301, after installing case lid 2, because the diameter of two inboard annular bulge 302 slightly is greater than the diameter of semicircle orifice 4, consequently can realize the sealed between installation cover 301 and the bottom of the case 1, the case lid 2, two outside annular bulge 302 are used for blocking respectively at the both ends of semicircle orifice 4, prescribe a limit to the position of installation cover 301.
The cable mounting structure 3 in this embodiment is mainly used for connection of straight cables and ensures the overall sealing performance.
Example two
The difference from the first embodiment is as follows:
specifically, as shown in fig. 7 and 8, one end of a folded tube 304 is fixedly attached to the outer end of the attachment sleeve 301, and a cable cover 305 is fixedly attached to the other end of the folded tube 304.
As shown in fig. 7, it can be seen that the shape of the folding tube 304 can be curved along with the bending of the cable, so that the bending of the cable does not deform the installation sleeve 301 and the cable sleeve 305, and further, the sealing between the installation sleeve 301, the cable sleeve 305 and the cable is ensured, and in practical application, the length of the folding tube 304 can be adjusted according to the bending length and the bending angle of the cable.
As shown in fig. 9, which is the shape of the cable mounting structure 3 when bent at the folded tube 304.
Specifically, as shown in fig. 8, the inner diameter of the cable cover 305 is equal to the inner diameter of the mounting cover 301, and the inner wall of the cable cover 305 is uniformly provided with second annular grooves 306.
The second annular groove 306 is arranged, an inward annular bulge structure with the diameter slightly smaller than the diameter of the cable is formed on the inner wall of the cable sleeve 305, the sealing of the cable is further guaranteed, and the annular bulge structure is matched with the annular bulge structure formed by the first annular groove 303 of the installation sleeve 301, so that liquid is prevented from flowing to the cable connection position along the surface of the cable.
The cable mounting structure 3 in this embodiment is mainly used for connection of cables that need to be bent to ensure sealing performance.
The working principle is as follows: according to the box-type sealing terminal block, the box cover 2 is designed on the basis of a common terminal block, so that the box cover 2 is integrally formed into a box-type structure, the joint of a cable can be better protected, wherein the box bottom 1 and the box cover 2 are fixedly installed through bolts, sealing is realized between the box bottom 1 and the box cover 2 through the compression fit of the pressing strip 7 and the rubber strip 6, and when the pressing strip 7 presses the rubber strip 6 tightly, bulges are formed at the two ends of the groove 5 by the rubber strip 6, and are used for carrying out auxiliary clamping and fixing on the annular bulge 302 in the middle of the installation sleeve 301;
the cable passes and puts into bottom of the case 1 behind the cable mounting structure 3, the structure of installation cover 301 and cable cover 305 inner wall in the cable mounting structure 3, make it closely laminate with the cable, avoid liquid to flow to this binding post row along the cable surface, in addition, still set up folding tube 304 between installation cover 301 and cable cover 305, can be together crooked when the cable is crooked, make the bending of cable can not make installation cover 301 and cable cover 305 produce deformation, avoid deformation to cause the production in gap, further guarantee that liquid can't flow to binding post row along the cable in.
When carrying out cable connection work, need connect one end earlier the cable and pass cable mounting structure 3, and set up and wait for in the bottom of the case 1 and connect, then arrange the cable mounting structure 3 of two cables in the semicircle orifice 4 that both sides correspond around the bottom of the case 1 respectively, later carry out cable connection work, cover case lid 2 and fixed after the completion, also can fix installation cover 301 in semicircle orifice 4 simultaneously, the installation of this binding post row has been accomplished promptly, and can guarantee that the sealing grade of this device can reach IP67, realize good waterproof sealing performance.
The foregoing is only a preferred embodiment of the present invention, and many variations in the detailed description and the application range can be made by those skilled in the art without departing from the spirit of the present invention, and all changes that fall within the protective scope of the utility model are therefore considered to be within the scope of the utility model.
Claims (5)
1. Box sealed binding post row, its characterized in that: the box cover comprises a box bottom (1), a box cover (2) and a cable mounting structure (3), wherein the box cover (2) is fixed on the box bottom (1) through bolts, semicircular holes (4) are symmetrically formed in the tops of the front side wall and the rear side wall of the box bottom (1) and the bottoms of the front side wall and the rear side wall of the box cover (2), the cable mounting structure (3) is assembled in the semicircular holes (4), a groove (5) is formed in the lower surface of the box cover (2), a rubber strip (6) is assembled in the groove (5), and a pressing strip (7) is integrally formed on the upper surface of the box bottom (1);
cable mounting structure (3) are including installation cover (301), the outer wall integrated into one piece of installation cover (301) has annular bulge (302), the internal diameter of installation cover (301) is less than the diameter of cable, first annular groove (303) corresponding with annular bulge (302) have been seted up to the inner wall of installation cover (301).
2. The box-type sealed terminal block according to claim 1, wherein: the lower surface of case lid (2) has been seted up the multistage recess (5), and the both ends of recess (5) are all seted up on the inner wall of semicircle orifice (4), the mounting hole has been seted up to the upper surface of case lid (2), and the mounting hole is located the outside of recess (5).
3. The box-type sealed terminal block according to claim 1, wherein: the number of the annular bulges (302) is four, the diameters of the two annular bulges (302) on the outer side are larger than the diameters of the two annular bulges (302) on the inner side, and the diameters of the two annular bulges (302) on the inner side are larger than the diameter of the semicircular hole (4).
4. A box-type sealed terminal block according to claim 3, wherein: the outer end fixed mounting of installation cover (301) has the one end of folding pipe (304), the other end fixed mounting of folding pipe (304) has cable cover (305).
5. The box-sealed terminal block according to claim 4, wherein: the inner diameter of the cable sleeve (305) is equal to that of the installation sleeve (301), and a second annular groove (306) is uniformly formed in the inner wall of the cable sleeve (305).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298812.9U CN216794017U (en) | 2022-02-15 | 2022-02-15 | Box type sealing wiring terminal strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220298812.9U CN216794017U (en) | 2022-02-15 | 2022-02-15 | Box type sealing wiring terminal strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216794017U true CN216794017U (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220298812.9U Active CN216794017U (en) | 2022-02-15 | 2022-02-15 | Box type sealing wiring terminal strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216794017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784728A (en) * | 2022-06-20 | 2022-07-22 | 常州盛研电子科技有限公司 | Cable guiding protection structure |
-
2022
- 2022-02-15 CN CN202220298812.9U patent/CN216794017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114784728A (en) * | 2022-06-20 | 2022-07-22 | 常州盛研电子科技有限公司 | Cable guiding protection structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENYANG KEBAO TRACK TRAFFIC CO.,LTD. Assignor: SHENYANG HANGRUI RAIL TRANSPORTATION EQUIPMENT CO.,LTD. Contract record no.: X2023210000116 Denomination of utility model: Box type sealed terminal block Granted publication date: 20220621 License type: Common License Record date: 20230915 |
|
| EE01 | Entry into force of recordation of patent licensing contract |