CN218351212U

CN218351212U - Novel safety resistor

Info

Publication number: CN218351212U
Application number: CN202222222567.6U
Authority: CN
Inventors: 孙龙海
Original assignee: Anhui Thalam Microelectronics Technology Co ltd
Current assignee: Anhui Thalam Microelectronics Technology Co ltd
Priority date: 2022-08-23
Filing date: 2022-08-23
Publication date: 2023-01-20
Anticipated expiration: 2032-08-23

Abstract

The utility model discloses a novel safety resistor, which comprises a protective shell, wherein a resistor is placed in the protective shell, one side of the protective shell is provided with a hollow cylinder, two ends of the protective shell are both provided with limit grooves, and movable limit plates which are matched with the protective shell to protect the resistor are arranged in the limit grooves; protection resistor that cooperation through protection casing and activity limiting plate can be fine, and external circuit, drive two rotations of axis of rotation through rotating the knob simultaneously, and then drive the protruding rotation of cylinder and utilize the first hollow shaft of jack-up of oblique spout, thereby drive the activity limiting plate and shift up and break away from the spacing groove, then continue two drive the protruding rotation of cylinder of axis of rotation and jack-up hollow shaft and rotate, thereby drive the activity limiting plate and deflect and spill the resistor, and then maintenance personal can promote the resistor with its quick convenient taking out from the protection casing and restore or change, thereby effectual repair personal's work efficiency that has improved.

Description

Novel safety resistor

Technical Field

The utility model relates to a safety resistor technical field specifically is a novel safety resistor.

Background

The fuse resistor is also called a fuse resistor, has the functions of both resistance and fuse, and is only used as a resistor at ordinary times; once the current is too large, the fuse can play the role of a fuse to protect machine equipment. When the circuit load has short circuit fault and overcurrent, the temperature of the safety resistor can be raised to 500-600 ℃ in a short time, and the resistance layer is heated to be peeled off and fused, so that the safety function is achieved, and the purpose of improving the safety of the whole machine is achieved.

The current formula of can restoring fuse resistor generally is to seal in a shell after concatenating ordinary resistance and low melting point metal, be the cylinder type, an elastic metal piece or wire of low melting point welding material welding are adopted to the one end of its resistive element, but formula of can restoring fuse resistor generally places the protective housing when the installation in, connect through the protective housing, but current protective housing is the integrated into one piece design generally, or utilize bolt fixed connection, consequently can be inconvenient quick after the sheetmetal in the resistive element or wire fuse open repair or change, for this reason, we propose a novel insurance resistor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel insurance resistance to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: a novel safety resistor comprises a protective shell, a resistor is placed in the protective shell, a hollow cylinder is arranged on one side of the protective shell, limiting grooves are formed in two ends of the protective shell, and movable limiting plates matched with the protective shell to protect the resistor are arranged in the limiting grooves;

activity limiting plate one end is provided with hollow shaft one, hollow shaft one end is located in the hollow cylinder, just protection casing one side is provided with axle two, axle two passes two hollow shaft one is provided with auxiliary assembly in the hollow cylinder, rotates axle two and utilizes auxiliary assembly drives earlier the activity limiting plate shifts up and breaks away from the spacing groove, and the back drives activity limiting plate deflects and spills the resistor is different from prior art, and in the in-service use, through the protection resistor that protection casing and activity limiting plate's cooperation can be fine to and external circuit, drive axle two through rotating the knob simultaneously and rotate, and then drive the protruding rotation of cylinder and utilize oblique spout jack-up hollow shaft one earlier to it breaks away from the spacing groove to drive activity limiting plate shifts up and spills the resistor, and then maintenance person can promote the resistor and take out it fast convenient from the protective housing and restore or change, thereby effectual improvement repair personnel's work efficiency.

As preferred, the auxiliary assembly is including setting up the ring of a hollow shaft one end, two be provided with the extension spring between the ring, just inclined chute has been seted up to the hollow shaft one end, it is protruding to be provided with the cylinder on the axle two, just the cylinder is protruding with inclined chute inner wall contact offsets, rotates axle two drives the cylinder is protruding to be rotated and the cooperation inclined chute jack-up hollow shaft one drives a hollow shaft rotation after, simultaneously extension spring atress does hollow shaft one provides from the restoring force ability.

Preferably, an inner groove is formed in the protective shell, and tempered glass is embedded in the inner groove.

Preferably, a plurality of rubber bulges are arranged at two ends of the resistor and are contacted and propped against the toughened glass.

Preferably, one end of the second shaft is provided with a knob, and the surface of the knob is designed to be provided with anti-skid grains.

Compared with the prior art, the beneficial effects of the utility model are that:

be different from prior art, in the in-service use in-process, through protection casing and the cooperation of activity limiting plate protection resistor that can be fine, and external circuit, drive axis two through rotating the knob simultaneously and rotate, and then drive the protruding rotation of cylinder and utilize the first hollow shaft of the first jack-up of oblique spout, thereby drive the activity limiting plate and shift up and break away from the spacing groove, then continue axis of rotation two and drive the protruding rotation of cylinder and push away the hollow shaft and rotate, thereby drive the deflection of activity limiting plate and spill the resistor, and then maintenance personal can promote the resistor and take out its quick convenience from the protective housing and restore or change, thereby effectual repair personal's work efficiency that has improved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention shown in FIG. 1;

FIG. 3 is a schematic sectional view of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of FIG. 2 according to the present invention;

fig. 5 is a schematic sectional view of fig. 4 according to the present invention.

In the figure: 1-a protective housing; 11-a resistor; 2-a hollow cylinder; 3-limiting groove; 4-movable limiting plate; 5, a hollow shaft I; 6-shaft two; 7-an auxiliary component; 71-a circular ring; 72-tension spring; 73-inclined chute; 74-cylindrical convex; 75-an inner tank; 76-toughened glass; 77-rubber convex; 78-knob.

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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a novel safety resistor comprises a protective shell 1, a resistor 11 is placed in the protective shell 1, a hollow cylinder 2 is fixedly connected to one side of the protective shell 1, limiting grooves 3 are formed in two ends of the protective shell 1, and movable limiting plates 4 matched with the protective shell 1 to protect the resistor 11 are slidably connected in the limiting grooves 3, so that two ends of the protective shell 1 are plugged through the movable limiting plates 4, and the resistor 11 is comprehensively protected;

4 one end fixedly connected with hollow shaft one 5 of activity limiting plate, hollow shaft one 5 one end is located hollow cylinder 2 and is connected through the bearing rotation rather than, and protection casing 1 one side is provided with axle two 6, axle two 6 pass two hollow shafts one 5 and rather than inner wall sliding connection and can rotate rather than relatively, be provided with auxiliary assembly 7 in the hollow cylinder 2, axis of rotation two 6 and utilize auxiliary assembly 7 to drive earlier that activity limiting plate 4 moves upward and breaks away from spacing groove 3, drive the deflection of activity limiting plate 4 after and spill resistor 11, thereby can make things convenient for the operation of dodging of completion activity limiting plate 4 of piece, and then maintenance person can promote resistor 11 with its quick convenient take out from protection casing 1 and repair or change, thereby effectual repair person's work efficiency has been improved.

The auxiliary assembly 7 comprises a circular ring 71 fixedly connected with one end of the first hollow shaft 5, a tension spring 72 is arranged between the two circular rings 71, two ends of the tension spring 72 are respectively and fixedly connected with one circular ring 71, an inclined chute 73 is formed in one end of the first hollow shaft 5, a cylindrical protrusion 74 is fixedly connected to the second shaft 6, the cylindrical protrusion 74 is in contact with and abuts against the inner wall of the inclined chute 73 and is in sliding connection with the inner wall of the inclined chute 73, in the initial state of the tension spring 72, the two movable limiting plates 4 are located in the limiting groove 3, so that the movable limiting plates are not prone to rotate independently and open, the protection performance of the device is improved, under the guiding and limiting effect of the inner wall of the limiting groove 3, the second shaft 6 drives the cylindrical protrusion 74 to rotate and match with the inclined chute 73 to jack up the first hollow shaft 5, the movable limiting plates 4 are driven to move upwards to be separated from the limiting groove 3, the second shaft 6 drives the first hollow shaft 5 to rotate, the movable limiting plates 4 to deflect and leak the end portions of the resistor 11, and the tension spring 72 is extended by self-restoring force to provide the movable limiting plates 4 with the capability.

An inner groove 75 is formed in the protective shell, tempered glass 76 is embedded in the inner groove 75, and meanwhile, the shell is made of plastic materials and used for effectively preventing the cylindrical glass shell from bursting to influence a circuit.

The resistor 11 is fixedly connected with a plurality of rubber protrusions 77 at two ends, and the rubber protrusions 77 contact and offset with the tempered glass 76 for buffering and improving the friction force between the rubber protrusions and the tempered glass, so that the resistor 11 is fixed more stably.

One end of the second shaft 6 is fixedly connected with a knob 78, and the surface of the knob 78 adopts the design of anti-skid grains for conveniently rotating the second shaft 6.

In the normal course of operation of novel insurance resistance, protection resistor 11 that cooperation through protection casing 1 and movable limiting plate 4 can be fine, and external circuit, drive two 6 rotations of axle through rotating knob 78 simultaneously, and then drive the protruding 74 rotation of cylinder and utilize oblique spout 73 earlier jack-up hollow shaft one 5, thereby drive movable limiting plate 4 and move upward and break away from spacing groove 3, then continue axis of rotation two 6 and drive the protruding 74 rotation of cylinder and move hollow shaft one 5 rotations in the top, thereby drive movable limiting plate 4 deflection and spill resistor 11, and then maintenance personal can promote resistor 11 with its quick convenient take out from protection casing 1 and restore or change, thereby effectual repair personal's work efficiency that has improved.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments. The embodiments and descriptions described above in this application are merely illustrative of the principles of the invention and various changes and modifications can be made without departing from the spirit and scope of the invention. All such variations and modifications are intended to be within the scope of the claimed invention.

Claims

1. A novel safety resistor comprises a protective shell (1), wherein a resistor (11) is placed in the protective shell (1), and the novel safety resistor is characterized in that: a hollow cylinder (2) is arranged on one side of the protection shell (1), limiting grooves (3) are formed in two ends of the protection shell (1), and movable limiting plates (4) matched with the protection shell (1) to protect the resistor (11) are arranged in the limiting grooves (3);

activity limiting plate (4) one end is provided with hollow shaft one (5), hollow shaft one (5) one end is located in hollow cylinder (2), just protection casing (1) one side is provided with axle two (6), axle two (6) pass two hollow shaft one (5) are provided with auxiliary assembly (7) in hollow cylinder (2), rotate axle two (6) and utilize auxiliary assembly (7) drive earlier activity limiting plate (4) are shifted up and are broken away from spacing groove (3), and the back drives activity limiting plate (4) deflect and spill resistor (11).

2. A novel safety resistor as claimed in claim 1, wherein: auxiliary assembly (7) are including setting up ring (71) of one (5) one end of hollow shaft, two be provided with extension spring (72) between ring (71), just oblique spout (73) have been seted up to one (5) one end of hollow shaft, be provided with the protruding (74) of cylinder on two (6) of axle, just protruding (74) of cylinder with oblique spout (73) inner wall contact offsets, rotates two (6) of axle drive protruding (74) of cylinder rotate and cooperate oblique spout (73) jack-up hollow shaft (5), back drive hollow shaft (5) rotate, simultaneously extension spring (72) atress do hollow shaft (5) provide from restoring force ability.

3. A novel safety resistor as claimed in claim 2, wherein: an inner groove (75) is formed in the protective shell, and tempered glass (76) is embedded in the inner groove (75).

4. A novel safety resistor as claimed in claim 3, wherein: the resistor (11) both ends all are provided with a plurality of protruding (77) of rubber, and are a plurality of protruding (77) of rubber all contact with toughened glass (76) and offset.

5. The novel safety resistor as claimed in claim 4, wherein: one end of the second shaft (6) is provided with a knob (78), and the surface of the knob (78) adopts the design of anti-skid grains.