CN111092338A - Thermal shrinkage connecting terminal - Google Patents
Thermal shrinkage connecting terminal Download PDFInfo
- Publication number
- CN111092338A CN111092338A CN201911398218.6A CN201911398218A CN111092338A CN 111092338 A CN111092338 A CN 111092338A CN 201911398218 A CN201911398218 A CN 201911398218A CN 111092338 A CN111092338 A CN 111092338A
- Authority
- CN
- China
- Prior art keywords
- tube
- heat
- section
- pipe section
- shrinkable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
- H01R4/72—Insulation of connections using a heat shrinking insulating sleeve
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- Cable Accessories (AREA)
Abstract
The invention provides a thermal shrinkage connecting terminal, and particularly relates to the field of production of thermal shrinkage terminals. The invention has the advantages of firm connection, excellent insulating property and waterproof property.
Description
Technical Field
The invention belongs to the field of production of heat-shrinkable terminals, and particularly relates to a heat-shrinkable connecting terminal.
Background
The heat shrinkable tube is a special polyolefin heat shrinkable sleeve, the outer layer is made of high-quality soft cross-linked polyolefin material and an inner layer of hot melt adhesive in a composite processing mode, the outer layer has the characteristics of insulation, corrosion resistance, wear resistance and the like, and the inner layer has the advantages of low melting point, water resistance, sealing, high adhesion and the like; the existing thermal shrinkage connecting terminal is generally sleeved at the joint of the connecting line directly through the thermal shrinkage pipe so as to realize the insulation protection of the connecting line, but the connection firmness and the water resistance of the connecting terminal still need to be improved;
in view of the above disadvantages, there is a need for a thermal shrinkage connection terminal which is not only firmly connected but also excellent in insulation property and waterproof property.
Disclosure of Invention
The invention aims to provide a thermal shrinkage connecting terminal which is firm in connection and excellent in insulativity and waterproofness.
The invention provides the following technical scheme:
the heat-shrinkable connecting terminal comprises a heat-shrinkable tube, wherein a lead is arranged in the heat-shrinkable tube, the length of the lead is smaller than that of the heat-shrinkable tube, the middle part of the lead is fixedly connected with the heat-shrinkable tube, and two ends of the lead are positioned in the heat-shrinkable tube.
Preferably, an insulating layer is arranged outside the lead, and the insulating layer is connected with the inner side wall of the heat shrinkable tube.
Preferably, the heat shrinkable tube comprises a first tube section, a middle tube section and a second tube section, the first tube section and the second tube section are symmetrically arranged at two ends of the middle tube section, the diameters of the first tube section and the second tube section are larger than that of the middle tube section, and the first tube section, the second tube section and the middle tube section are of an integrally molded structure with radian.
Preferably, the lengths of the first pipe section and the second pipe section are 10-30 mm, the length of the middle pipe section is 10-50 mm, and the pipe walls of the first pipe section, the second pipe section and the middle pipe section are 0.2-1 mm.
Preferably, tin rings are symmetrically arranged in the first pipe section and the second pipe section at two ends of the middle pipe section, and two ends of the lead penetrate through the centers of the tin rings.
Preferably, two tin rings are symmetrically arranged at two ends of the middle pipe section respectively, and the tin rings are closely arranged and fixedly connected with the inner side wall of the first pipe section or the second pipe section.
Preferably, rubber rings are symmetrically arranged in the first pipe section and the second pipe section respectively.
Preferably, the heat shrinkable tube is made of Teflon or perfluoropropylene, and the rubber ring is made of nylon or EVA or EAA.
The invention has the beneficial effects that:
according to the invention, the lead is arranged in the heat shrinkable tube, the length of the lead is smaller than that of the heat shrinkable tube, the middle part of the lead is fixedly connected with the heat shrinkable tube, the two ends of the lead are positioned in the heat shrinkable tube, and the lead is preset in the heat shrinkable tube, so that the connection is firm, and the insulativity and the waterproof performance are excellent.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
labeled as: 1. heat shrink tubing; 11. a first tube section; 12. a second tube section; 13. a middle tube section; 2. a wire; 3. An insulating layer; 4. a tin ring; 5. and (5) a rubber ring.
Detailed Description
As shown in fig. 1 to 2, a heat shrinkable connecting terminal includes a heat shrinkable tube 1, a lead 2 is disposed in the heat shrinkable tube 1, a length of the lead 2 is smaller than a length of the heat shrinkable tube 1, a middle portion of the lead 2 is fixedly connected to the heat shrinkable tube 1, and two ends of the lead 2 are located in the heat shrinkable tube 1. The lead 2 is preset in the heat shrinkable tube 1, so that the protection area can be increased, and the connection firmness, insulativity and waterproof performance can be improved.
An insulating layer 3 is arranged outside the lead 2, the insulating layer 3 is connected with the inner side wall of the heat shrinkable tube 1, and the insulating property can be further improved through the insulating layer 2; the insulating layer 3 can be made of polyvinyl chloride or other insulating materials, and the insulating layer 3 is limited by the inner side wall of the heat shrinkable tube 1; the heat shrinkable tube 1 comprises a first tube section 11, a middle tube section 13 and a second tube section 12, wherein the first tube section 11 and the second tube section 12 are symmetrically arranged at two ends of the middle tube section 13, the diameters of the first tube section 11 and the second tube section 12 are larger than that of the middle tube section 13, and the first tube section 11, the second tube section 12 and the middle tube section 13 are of an integrally molded structure with radian; the heat shrink tube has the advantages that the diameters of the two ends of the whole heat shrink tube are large, the diameter of the middle of the heat shrink tube is small, so that the lead 2 is convenient to connect and fix,
the lengths of the first pipe section 11 and the second pipe section 12 are 10-30 mm, the length of the middle pipe section 13 is 10-50 mm, and the pipe walls of the first pipe section 11, the second pipe section 12 and the middle pipe section 13 are 0.2-1 mm, and the size can meet the application requirement; tin rings 4 are symmetrically arranged at two ends of the middle pipe section 13 in the first pipe section 11 and the second pipe section 12, two ends of the lead 2 penetrate through the centers of the tin rings 4, and the connection firmness and durability of the lead 2 can be improved through the tin rings 4; two tin rings 4 at two ends of the middle pipe section 12 are respectively and symmetrically arranged, and the tin rings 4 are tightly arranged and fixedly connected with the inner side wall of the first pipe section 11 or the second pipe section 12, so that the connection firmness and durability of the lead 2 are further improved; the first pipe section 11 and the second pipe section 12 are respectively and symmetrically provided with rubber rings 5, and the waterproof performance can be improved through the rubber rings 5; the heat-shrinkable tube 1 is made of Teflon or perfluoropropylene, the rubber ring 5 is made of nylon or EVA or EAA, and the materials are excellent in waterproof and insulating properties;
the working mode of the invention is shown in the attached figures 1 and 2:
inserting a connecting end of a wire to be connected into the first pipe section 11, ensuring that the connecting end passes through the tin ring 4, heating the first pipe section 11 by fire, melting the tin ring 4, shrinking the first pipe section 11 and the rubber ring 5, and connecting the end of the wire 2 with the wire to be connected; inserting the connecting end of another wire to be connected into the second pipe section 12 to ensure that the connecting end passes through the tin ring 4, heating the second pipe section 12 by fire, melting the tin ring 4, shrinking the second pipe section 12 and the rubber ring 5, and connecting the end of the wire 2 with the wire to be connected; thereby realizing the connection of the lead wires,
although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A heat-shrinkable connecting terminal characterized in that: the heat-shrinkable tube comprises a heat-shrinkable tube, wherein a lead is arranged in the heat-shrinkable tube, the length of the lead is smaller than that of the heat-shrinkable tube, the middle part of the lead is fixedly connected with the heat-shrinkable tube, and two ends of the lead are positioned in the heat-shrinkable tube.
2. A heat-shrinkable connecting terminal according to claim 1, characterized in that: an insulating layer is arranged outside the lead and connected with the inner side wall of the heat shrinkable tube.
3. A heat-shrinkable connecting terminal according to claim 2, characterized in that: the heat-shrinkable tube comprises a first tube section, a middle tube section and a second tube section, wherein the first tube section and the second tube section are symmetrically arranged at two ends of the middle tube section, the diameter of the first tube section and the diameter of the second tube section are larger than that of the middle tube section, and the first tube section and the second tube section and the middle tube section are of an integrally formed structure with radian.
4. A heat-shrinkable connecting terminal according to claim 3, characterized in that: the lengths of the first pipe section and the second pipe section are 10-30 mm, the length of the middle pipe section is 10-50 mm, and the pipe walls of the first pipe section, the second pipe section and the middle pipe section are 0.2-1 mm.
5. A heat-shrinkable connecting terminal according to claim 4, characterized in that: tin rings are symmetrically arranged in the first pipe section and the second pipe section at two ends of the middle pipe section, and two ends of the lead penetrate through the centers of the tin rings.
6. A heat-shrinkable connecting terminal according to claim 5, characterized in that: the two tin rings at the two ends of the middle pipe section are respectively and symmetrically arranged, and the tin rings are tightly arranged and fixedly connected with the inner side wall of the first pipe section or the second pipe section.
7. A heat-shrinkable connecting terminal according to claim 6, characterized in that: rubber rings are symmetrically arranged in the first pipe section and the second pipe section respectively.
8. A heat-shrinkable connecting terminal according to claim 7, characterized in that: the heat-shrinkable tube is made of Teflon or perfluoropropylene, and the rubber ring is made of nylon or EVA or EAA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398218.6A CN111092338A (en) | 2019-12-30 | 2019-12-30 | Thermal shrinkage connecting terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911398218.6A CN111092338A (en) | 2019-12-30 | 2019-12-30 | Thermal shrinkage connecting terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111092338A true CN111092338A (en) | 2020-05-01 |
Family
ID=70398131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911398218.6A Pending CN111092338A (en) | 2019-12-30 | 2019-12-30 | Thermal shrinkage connecting terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111092338A (en) |
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2019
- 2019-12-30 CN CN201911398218.6A patent/CN111092338A/en active Pending
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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