CN210073501U - Resistor injection molding sleeve structure - Google Patents

Abstract

The utility model discloses a resistor injection molding sleeve pipe structure belongs to resistor technical field, including insulating base member, insulating base member's the outside is provided with the multiunit resistance wire, insulating base member's one end is provided with first metal cap, the one end that insulating base member kept away from first metal cap is provided with the second metal cap, the outside of first metal cap and second metal cap all is provided with the heat dissipation layer, the outside on heat dissipation layer is provided with the sleeve pipe of moulding plastics, the sheathed tube inboard of moulding plastics is provided with the explosion-proof layer, the sheathed tube outside of moulding plastics is provided with the waterproof layer. The utility model discloses a hold the sleeve pipe of moulding plastics, rotate sealed lid, the sleeve pipe of moulding plastics can be dismantled with sealed lid through external screw thread and internal screw thread effect and be connected, can carry out secondary recycle to the sleeve pipe of moulding plastics, has improved the availability factor of resource, through the effect of screw thread, realizes moulding plastics the quick assembly disassembly between sleeve pipe and the sealed lid, has improved the work efficiency who uses resistor injection moulding sleeve pipe structure.

Description

Resistor injection molding sleeve structure

Technical Field

The utility model relates to a resistor technical field specifically is a resistor sleeve structure of moulding plastics.

Background

The Resistor (Resistor) is generally directly called as a Resistor in daily life and is a current limiting element, after the Resistor is connected in a circuit, the resistance value of the Resistor is fixed, generally two pins, the Resistor can limit the current passing through a branch connected with the Resistor, the Resistor which cannot be changed is called as a fixed Resistor, and the Resistor which can be changed is called as a potentiometer or a variable Resistor.

Current pyrocondensation pipe resistor is to the cover pipe box of setting for length on the resistor, through the mode of heating, makes the cover pipe shrink, closely registrates on the part pin of resistor and resistor, and current resistor is moulded plastics the cover pipe and can not recycle, and not convenient to detach, and sheathed tube leakproofness is relatively poor simultaneously, influences the use of resistor, and the practicality is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the resistor injection molding sleeve cannot be recycled, is not convenient to disassemble and assemble and has lower practicability, the resistor injection molding sleeve structure is provided.

In order to achieve the above object, the utility model provides a following technical scheme: a resistor injection molding sleeve structure comprises an insulating base body, wherein a plurality of groups of resistance wires are arranged on the outer side of the insulating base body, a first metal cap is arranged at one end of the insulating base body, a second metal cap is arranged at one end of the insulating base body, which is far away from the first metal cap, heat dissipation layers are arranged on the outer sides of the first metal cap and the second metal cap, an injection molding sleeve is arranged on the outer side of the heat dissipation layer, an explosion-proof layer is arranged on the inner side of the injection molding sleeve, a waterproof layer is arranged on the outer side of the injection molding sleeve, a connector is arranged at one end of the injection molding sleeve, a first pin penetrating through the connector is arranged at one end of the second metal cap, which is far away from the insulating base body, a sealing cover is arranged at one end of the injection molding sleeve, which is far away from the insulating base body, a second pin, and one ends of the two groups of the joints, which are far away from the insulating base body, are provided with first pins.

Preferably, the outside that the sleeve pipe of moulding plastics kept away from joint one end is provided with the external screw thread, the inboard of sealed lid is provided with the internal thread, the sleeve pipe of moulding plastics can be dismantled with sealed lid through external screw thread and internal thread and be connected.

Preferably, the first metal cap and the second metal cap are provided with connecting blocks at ends far away from the insulating base body, the first pin is fixedly connected with the second metal cap through the connecting blocks, and the second pin is fixedly connected with the first metal cap through the connecting blocks.

Preferably, the two groups of joints are fixedly connected with sealing rings respectively through glue.

Preferably, the waterproof layer is made of polyethylene plastics and is fixedly connected with the explosion-proof layer through glue.

Preferably, the injection molding sleeve is made of a PVC plastic material or a PE plastic material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model rotates the sealing cover by holding the injection sleeve, the injection sleeve is detachably connected with the sealing cover by the action of the external thread and the internal thread, can carry out secondary recycling on the injection molding sleeve, improves the use efficiency of resources, realizes the quick disassembly and assembly between the injection molding sleeve and the sealing cover through the action of threads, improves the work efficiency of the injection molding sleeve structure using the resistor, the anti-explosion layer arranged on the inner side of the injection molding sleeve improves the hardness of the injection molding sleeve, prevents resistance explosion, the waterproof layer is arranged on the outer side of the injection molding sleeve and is made of polyethylene plastic, the polyethylene plastic has good damp-proof and corrosion-proof effects, the service life of the injection molding sleeve is prolonged, and the use of people is facilitated, the resistance wire is prevented from being damaged due to overhigh temperature through the heat dissipation layer, and the practicability of the resistor injection molding sleeve structure is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of the present invention a.

In the figure: 1. an insulating substrate; 2. a resistance wire; 3. a first metal cap; 4. a second metal cap; 5. a heat dissipation layer; 6. injection molding of the sleeve; 7. an explosion-proof layer; 8. a waterproof layer; 9. a joint; 10. a first pin; 11. a second pin; 12. a seal ring; 13. and (7) sealing the cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, an injection molding sleeve structure for a resistor comprises an insulating base 1, a plurality of sets of resistance wires 2 are arranged on the outer side of the insulating base 1, a first metal cap 3 is arranged at one end of the insulating base 1, a second metal cap 4 is arranged at one end of the insulating base 1 away from the first metal cap 3, heat dissipation layers 5 are arranged on the outer sides of the first metal cap 3 and the second metal cap 4, an injection molding sleeve 6 is arranged on the outer side of the heat dissipation layer 5, an explosion-proof layer 7 is arranged on the inner side of the injection molding sleeve 6, a waterproof layer 8 is arranged on the outer side of the injection molding sleeve 6, a connector 9 is arranged at one end of the injection molding sleeve 6, a first pin 10 penetrating the connector 9 is arranged at one end of the second metal cap 4 away from the insulating base 1, a sealing cover 13 is arranged at one end of the injection molding sleeve 6, a second pin 11 penetrating the, the injection molding sleeve 6 and the end, far away from the insulating base body 1, of the sealing cover 13 are provided with connectors 9, and the ends, far away from the insulating base body 1, of the two groups of connectors 9 are provided with first pins 10.

In the implementation: the outside through first metal cap 3 and second metal cap 4 all is provided with heat dissipation layer 5, starts radiating effect, prevents the resistor during operation, and the high temperature causes the damage to resistance wire 2, and is better to the protection effect of resistor, and the one end of the sleeve pipe 6 of moulding plastics is provided with sealed lid 13, and sealed lid 13 passes through threaded effect, can with mould plastics and carry out quick assembly disassembly between the sleeve pipe 6, and the leakproofness that makes the sleeve pipe structure of moulding plastics simultaneously is better, makes things convenient for people's use.

Please refer to fig. 1 and fig. 2, an external thread is disposed on an outer side of an end of the injection molding sleeve 6 away from the joint 9, an internal thread is disposed on an inner side of the sealing cover 13, and the injection molding sleeve 6 is detachably connected to the sealing cover 13 through the external thread and the internal thread, so as to realize the quick assembly and disassembly of the sealing cover 13 and the injection molding sleeve 6, and simultaneously, the sealing cover 13 and the injection molding sleeve 6 are firmly fixed.

Please refer to fig. 2, the first metal cap 3 and the second metal cap 4 are both provided with a connection block at an end away from the insulating substrate 1, the first pin 10 is fixedly connected with the second metal cap 4 through the connection block, so that the first pin 10 and the second metal cap 4 are fixedly connected, and the second pin 11 is fixedly connected with the first metal cap 3 through the connection block, so that the second pin 11 and the first metal cap 3 are fixedly connected.

Please refer to fig. 1 and fig. 2, the two sets of sealing rings 12 are fixedly connected to the joint 9 by glue, so as to prevent the sealing rings 12 from falling off, so that the sealing rings 12 and the joint 9 are more firmly fixed, thereby facilitating the use of people.

Please refer to fig. 2 and fig. 3, the waterproof layer 8 is made of polyethylene plastic, the waterproof layer 8 is fixedly connected with the explosion-proof layer 7 through glue, and the polyethylene plastic has good moisture-proof and corrosion-proof effects, so that the waterproof performance of the resistor injection molding sleeve structure is improved.

Please refer to fig. 2 and fig. 3, the injection molded casing 6 is made of PVC plastic or PE plastic, and has excellent electrical insulation, arc resistance, thermal insulation, sound absorption, vibration absorption, and noise elimination properties, thereby improving the practicability of the injection molded casing structure of the resistor.

The working principle is as follows: during the use, will hold the sleeve pipe 6 of moulding plastics, rotate sealed lid 13, through the effect of the external screw thread in the sleeve pipe 6 outside of moulding plastics and the inboard internal thread of sealed lid 13, realize the quick assembly disassembly between sleeve pipe 6 and the sealed lid 13 of moulding plastics, can carry out secondary recycle to the sleeve pipe 6 of moulding plastics, improve the availability factor of resource, insert first pin 10 in the joint 9 of the sleeve pipe 6 of moulding plastics to pass sealing washer 12 with first pin 10, insert sealed lid 13 with second pin 11 again. In joint 9, and pass sealing washer 12 with second pin 11, rotate sealed lid 13 again, through the screw action, make sealed lid 13 fixed firm with the sleeve pipe 6 of moulding plastics, explosion-proof layer 7 through the inboard setting of the sleeve pipe 6 of moulding plastics, the hardness of the sleeve pipe 6 of moulding plastics has been improved, prevent resistance explosion, waterproof layer 8 through the setting of the sleeve pipe 6 outside of moulding plastics, waterproof layer 8 is formed by the polyethylene plastics preparation, polyethylene plastics has better protection against the tide, anticorrosive effect, the life of the sleeve pipe 6 of moulding plastics has been improved, make things convenient for people's use, prevent through heat dissipation layer 5 that resistance wire 2 high temperature is too high, cause the damage to resistance, the practicality of the sleeve pipe structure is moulded plastics to the resistor has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A resistor bushing structure of moulding plastics, includes insulating base member (1), its characterized in that: a plurality of groups of resistance wires (2) are arranged on the outer side of the insulating base body (1), a first metal cap (3) is arranged at one end of the insulating base body (1), a second metal cap (4) is arranged at one end, far away from the first metal cap (3), of the insulating base body (1), heat dissipation layers (5) are arranged on the outer sides of the first metal cap (3) and the second metal cap (4), an injection molding sleeve (6) is arranged on the outer side of the heat dissipation layer (5), an explosion-proof layer (7) is arranged on the inner side of the injection molding sleeve (6), a waterproof layer (8) is arranged on the outer side of the injection molding sleeve (6), a connector (9) is arranged at one end of the injection molding sleeve (6), a first pin (10) penetrating through the connector (9) is arranged at one end, far away from the insulating base body (1), of the second metal cap (4), and a sealing cover (, one end of the first metal cap (3) far away from the insulating base body (1) is provided with a second pin (11) penetrating through the sealing cover (13), one ends of the injection molding sleeve (6) and the sealing cover (13) far away from the insulating base body (1) are provided with connectors (9), and the connectors (9) are two groups of one ends of the connectors (9) far away from the insulating base body (1) are provided with first pins (10).

2. The injection-molded sleeve structure for resistors as claimed in claim 1, wherein: the outer side of one end, away from the joint (9), of the injection molding sleeve (6) is provided with an external thread, the inner side of the sealing cover (13) is provided with an internal thread, and the injection molding sleeve (6) is detachably connected with the sealing cover (13) through the external thread and the internal thread.

3. The injection-molded sleeve structure for resistors as claimed in claim 1, wherein: the one end that insulating base member (1) was kept away from in first metal cap (3) and second metal cap (4) all is provided with the connecting block, first pin (10) are through connecting block and second metal cap (4) fixed connection, second pin (11) are through connecting block and first metal cap (3) fixed connection.

4. The injection-molded sleeve structure for resistors as claimed in claim 1, wherein: the two groups of joints (9) are respectively fixedly connected with a sealing ring (12) through glue.

5. The injection-molded sleeve structure for resistors as claimed in claim 1, wherein: the waterproof layer (8) is made of polyethylene plastics, and the waterproof layer (8) is fixedly connected with the explosion-proof layer (7) through glue.

6. The injection-molded sleeve structure for resistors as claimed in claim 1, wherein: the injection molding sleeve (6) is made of PVC plastic material or PE plastic material.

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