CN116825588B - Switch protection device convenient to change fuse - Google Patents
Switch protection device convenient to change fuse Download PDFInfo
- Publication number
- CN116825588B CN116825588B CN202311070633.5A CN202311070633A CN116825588B CN 116825588 B CN116825588 B CN 116825588B CN 202311070633 A CN202311070633 A CN 202311070633A CN 116825588 B CN116825588 B CN 116825588B
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- China
- Prior art keywords
- movable
- insulating main
- main part
- fuse
- part body
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- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000002146 bilateral effect Effects 0.000 claims abstract description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims 6
- 230000000694 effects Effects 0.000 abstract description 21
- 239000000155 melt Substances 0.000 description 5
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/205—Electric connections to contacts on the base
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H2085/209—Modular assembly of fuses or holders, e.g. side by side; combination of a plurality of identical fuse units
Landscapes
- Fuses (AREA)
Abstract
The invention provides a switch protection device convenient for replacing a fuse, which relates to the field of marine circuit protection and comprises: an insulating main body; six conductive metal connectors are fixedly connected to the front side of the insulating main part body in a bilateral symmetry mode, the three conductive metal connectors at the left end are connected with a power supply circuit, and the three conductive metal connectors at the right end are connected with the circuit and electrical equipment through the circuit; one end of the conductive metal connecting piece is connected with a movable conductive contact piece, and the six movable conductive contact pieces are positioned in the front side of the insulating main piece body in bilateral symmetry. The movable conductive contact is driven to rotate and reset through the first spring, so that the front end bulge of the movable conductive contact is contacted with the fuse, the contact tightness between the movable conductive contact and the fuse is ensured, and the requirements of bump environment use on a ship are better met. The problem of switch protection device when the inside use of ship, fixed effect to the inside fuse of device is not good, receive hull jolt influence extremely easily, leads to the fuse both ends to contact the bad situation is solved.
Description
Technical Field
The invention relates to the technical field of marine circuit protection, in particular to a switch protection device convenient for replacing a fuse.
Background
The fuse is an electric appliance which fuses a melt by heat generated by the fuse when the current exceeds a specified value to break a circuit; the fuse is a current protector manufactured by the principle that after the current exceeds a specified value for a period of time, the fuse melts by the heat generated by the fuse so as to break a circuit; the method is widely applied to the internal circuits and electrical equipment of ships, and has the effect of protecting the internal circuits and the electrical equipment of the ships.
The switch protection device can refer to CN106783450B, and relates to a fuse and a fuse base thereof, wherein the fuse base comprises a shell and a melt carrying body which is in sliding connection with the shell, at least two groups of mutually parallel contact assemblies are arranged in the shell, each group of contact assemblies comprises two oppositely arranged base contacts, and each base contact comprises an elastic clamping piece used for clamping the side walls at two ends of the fuse body and a wiring part which is electrically connected with the elastic clamping piece; the fuse carrier is provided with clamping grooves corresponding to the number of the contact assemblies, and each clamping groove comprises a bayonet for radially embedding the fuse and a clamping part for forming interference fit with the fuse; when the melt-carrying body slides out of the shell, the fuse link fixed on the clamping groove and the elastic clamping piece are simultaneously disconnected; when the melt-carrying body slides into the shell, the fuse link fixed in the clamping groove and the elastic clamping piece are contacted simultaneously; the requirements on the processing precision can be greatly reduced, and the yield is improved; and be applicable to the fuse-link of multiple specification that length size is different, improved production efficiency and economic benefits.
The current switch protection device is when the inside use of ship, and is not good to the fixed effect of device inside fuse, receives hull jolt influence extremely easily, leads to the emergence of fuse both ends contact failure situation, influences the inside normal operating effect of ship, and changes comparatively loaded down with trivial details to the fuse, and when the hull takes place to jolt by a relatively large margin, still leads to the inside installed fuse damaged easily, needs personnel to change impaired fuse, influences the result of use comparatively.
Disclosure of Invention
In view of the above, the invention provides a switch protection device convenient for replacing fuses, so as to solve the problems that when the existing switch protection device is used in a ship, the fuse fixing effect in the device is poor, the fuse is easily influenced by bump of a ship body, poor contact between two ends of the fuse occurs, the normal operation effect in the ship is influenced, the replacement of the fuse is complicated, if bump occurs to a large extent, the fuse installed in the ship body is easily damaged, personnel are required to replace the damaged fuse, and the using effect is influenced.
The invention provides a switch protection device convenient for replacing a fuse, which specifically comprises: an insulating main body; six conductive metal connectors are fixedly connected to the front side of the insulating main part body in a bilateral symmetry mode, the three conductive metal connectors at the left end are connected with a power supply circuit, and the three conductive metal connectors at the right end are connected with the circuit and electrical equipment through the circuit; one end of the conductive metal connecting piece is connected with movable conductive contact pieces, and the six movable conductive contact pieces are positioned in the front side of the insulating main piece body in bilateral symmetry; the front end of the insulating main part body is connected with a movable assembly part, the movable assembly part is made of insulating materials, two sides of the movable assembly part are respectively in sliding contact with the insulating main part body, three circular cap-shaped fuses are arranged in the movable assembly part, the circular cap-shaped fuses are connected with two movable conductive contact pieces, and the conductive metal connection pieces are electrically connected with the circular cap-shaped fuses through the movable conductive contact pieces; the top of the movable assembly part is connected with a manual pull ring, and the manual pull ring is connected with the top end of the insulating main part body; the left end and the right end of the front side of the insulating main part body are fixedly connected with two insulating protective covers through bolts respectively, and the insulating protective covers are positioned outside the conductive metal connecting part; the top of the insulating main part body is provided with a movable limiting part which is connected with a manual pull ring; the fixed support seat is fixed on the ship body through bolts, tension springs are respectively connected to four ends of the fixed support seat, the tension springs are connected with the insulating main part body, and the insulating main part body is positioned on the front side of the fixed support seat.
Further, the bottom of the movable assembly part is rotationally connected with the bottom of the insulating main part body, the movable assembly part is internally provided with an upper assembly cavity, a middle assembly cavity and a lower assembly cavity, the left end and the right end of the assembly cavity are communicated with the outside, the diameter of the assembly cavity is equal to that of the circular cap-shaped fuse, the circular cap-shaped fuse is positioned in the assembly cavity arranged in the movable assembly part, and the length of the circular cap-shaped fuse is equal to that of the assembly cavity.
Further, the movable conductive contact is rotationally connected with the conductive metal connecting piece, six movable limiting grooves are symmetrically arranged in the insulating main piece body, the rear end of the movable conductive contact is movably arranged in the movable limiting grooves formed in the insulating main piece body, and two ends of the circular cap-shaped fuse are respectively contacted with the front ends of the two movable conductive contacts.
Further, a first spring is arranged in the movable limiting groove formed in the insulating main part body, one end of the first spring is in contact with the rear end of the movable conductive contact part, when the movable assembly part rotates to the topmost end, the top of the movable assembly part is in contact with the insulating main part body, so that the circular cap type fuse is located at the middle part of the two movable conductive contact parts, the movable conductive contact parts are influenced by the thrust of the first spring to rotate and reset, and the front end of the movable conductive contact part is in contact with the circular cap type fuse.
Further, the top of the insulating main part body is provided with an upper guide rod, a movable through hole is formed in the movable limiting part, the movable limiting part is connected to the outer side of the upper guide rod arranged on the insulating main part body in a sliding mode through the movable through hole, and the top of the insulating main part body is provided with a left limiting clamping hole and a right limiting clamping hole.
Further, two guide sliding holes are formed in the top of the movable assembly, two guide sliding rods are arranged in the manual pull ring, the guide sliding rods of the manual pull ring are slidably connected in the guide sliding holes of the movable assembly, two locking hooks are arranged at the rear end of the manual pull ring and are outwards, the locking hooks of the manual pull ring are clamped in the limiting clamping holes of the insulating main part, the outer sides of the locking hooks are contacted with the limiting clamping holes, and the left side and the right side of the movable limiting part are respectively contacted with the inner sides of the two locking hooks.
Further, the insulating main part body is provided with an upper guide rod, a second spring is sleeved outside the upper guide rod, the rear end of the second spring is in contact with the insulating main part body, the front end of the second spring is in contact with the rear side of the movable limiting part, when the top of the movable assembly part is in contact with the insulating main part body, the manual pull ring is pushed backwards, the movable limiting part is moved backwards, the second spring is contracted, the locking hooks are clamped in the limiting clamping holes, the movable limiting part is influenced by the thrust of the second spring to move forwards along the upper guide rod, the left side and the right side of the movable limiting part are respectively and inwards bent with the two locking hooks, the locking hooks are prevented from being fixed by the movable limiting part, and accordingly the movable assembly part is fixed by the manual pull ring.
Further, the insulating main part body is unsettled form and is located fixed support seat front side, and insulating main part body upper and lower both sides are equipped with the atress draw groove respectively, and extension spring one end is connected in the atress draw groove that insulating main part body was equipped with, and fixed support seat four-end is equipped with the atress respectively and draws the hole, and the extension spring other end is connected in the atress draw hole that fixed support seat was equipped with.
Further, four No. three springs of insulating main part body rear side fixedly connected with, no. three spring rear ends contact with insulating main part body front side, and when the ship received the wave to jolt, insulating main part body moved the power of letting out by inertial influence, mutually supported through extension spring and No. three springs, carried out buffering protection to insulating main part body, reduced the influence that the ship jolt caused to the cap-type fuse.
The beneficial effects are that:
1. when the movable assembly part rotates to the top end, the top of the movable assembly part is contacted with the insulating main part, so that the circular cap type fuse is positioned at the middle part of the two movable conductive contact parts, the movable conductive contact parts are influenced by the thrust of the first spring to rotate and reset, the front end bulge of the movable conductive contact part is contacted with the circular cap type fuse, the contact tightness between the movable conductive contact part and the circular cap type fuse is ensured, the communication effect of the left movable conductive contact part and the right movable conductive contact part is realized through the circular cap type fuse, the requirement on the bump environment on a ship is better met, the protection effect of the switch protection device on a circuit and electrical equipment on the ship is ensured, after the fuse melt in the circular cap type fuse is fused and fails, the movable assembly part is rotated downwards, so that the circular cap type fuse in the movable assembly part is ejected out, the circular cap type fuse in the movable assembly part is replaced, the operation is simpler and more convenient and time-saving, and the occurrence of electric shock condition during replacement is effectively avoided.
2. When the top of the movable assembly part is contacted with the insulating main part, the manual pull ring is pushed backwards, the movable limiting part is moved backwards, the second spring is contracted, the locking hooks are clamped in the limiting clamping holes, the movable limiting part is moved forwards along the upper guide rod under the thrust of the second spring, the left side and the right side of the movable limiting part are respectively connected with the inner sides of the two locking hooks, the locking hooks are prevented from bending inwards, the manual pull ring is fixed through the movable limiting part, the movable assembly part is fixed through the manual pull ring, the contact stability between the circular cap type fuse and the movable conductive contact part is ensured, and the contact conductive effect of the circular cap type fuse can be effectively avoided from being influenced by the bump environment on a ship; when the movable conductive contact piece is required to rotate to replace the internal circular cap type fuse, the movable limiting piece is moved backwards, so that the movable limiting piece is separated from the inner side of the locking clamping hook, the movable limiting piece is pulled forwards, the locking clamping hook is influenced by the pulling force to be bent inwards and separated from the limiting clamping hole, and the movable assembly piece can be driven to rotate downwards through the manual pull ring, so that the replacement effect of the circular cap type fuse inside the movable assembly piece is realized.
3. When the ship is bumped by sea waves, the insulating main part body moves under the influence of inertia to release force, the tension spring is matched with the third spring to buffer and protect the insulating main part body, the influence of the ship bump on the circular cap type fuse is reduced, the protection effect on the circular cap type fuse is achieved, the circular cap type fuse is prevented from being damaged due to bump, and therefore the protection effect of the circular cap type fuse on circuits and electrical equipment in a ship bump state is guaranteed.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic view of the overall axial side structure of a switch protection device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 2 is a schematic view of another overall angular shaft-side structure of a switch protection device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 3 is a schematic view showing a rear shaft side structure of an insulating main body of a switch protecting device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 4 is a schematic view of a movable assembly rotation adjustment structure of a switch protection device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 5 is a schematic view of an installation structure of movable conductive contacts inside an insulating main body of a switch protection device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 6 is a schematic view showing an axial side structure of an insulating main body of a switch protecting device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 7 is a schematic view of a conductive metal link, movable conductive contact and spring-first connection structure of a switch protection device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 8 is a schematic view showing a split structure of a cap-shaped fuse inside a movable assembly of a switch protection device for facilitating replacement of the fuse according to an embodiment of the present invention.
Fig. 9 is a schematic view showing a structure of a manual pull ring shaft side of a switch protecting device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 10 is a schematic view showing a shaft-side structure of a movable stopper of a switch protecting device for facilitating replacement of a fuse according to an embodiment of the present invention.
Fig. 11 is a schematic cross-sectional connection structure of the top of the insulating main body and the manual pull ring of the switch protecting device for facilitating replacement of the fuse according to the embodiment of the present invention.
Fig. 12 is a schematic view showing a shaft-side structure of a fixed support of a switch protecting device for facilitating replacement of a fuse according to an embodiment of the present invention.
List of reference numerals
1. An insulating main body; 101. a movable limit groove; 102. an upper guide rod; 103. limiting clamping holes; 104. a stress groove is formed; 2. a conductive metal connection; 3. a movable conductive contact; 4. a first spring; 5. a movable fitting; 501. an assembly chamber; 502. a guide slide hole; 6. a circular cap type fuse; 7. a manual pull ring; 701. a guide slide bar; 702. locking the clamping hook; 8. an insulating protective cover; 9. a movable limiting piece; 901. a movable through hole; 10. a second spring; 11. fixing the supporting seat; 1101. stress hole pulling; 12. a tension spring; 13. and a third spring.
Detailed Description
Embodiment one: please refer to fig. 1 to 12:
the invention provides a switch protection device convenient for replacing a fuse, which comprises an insulating main part body 1 and a fixed supporting seat 11; six conductive metal connectors 2 are fixedly connected to the front side of the insulating main body 1 in a bilateral symmetry mode, the three conductive metal connectors 2 at the left end are connected with a power supply circuit, and the three conductive metal connectors 2 at the right end are connected with the circuit and electrical equipment through the circuit; one end of the conductive metal connecting piece 2 is connected with movable conductive contact pieces 3, and six movable conductive contact pieces 3 are symmetrically positioned in the front side of the insulating main piece body 1; the front end of the insulating main part body 1 is connected with a movable assembly part 5, the movable assembly part 5 is made of insulating materials, two sides of the movable assembly part 5 are respectively in sliding contact with the insulating main part body 1, three circular cap-shaped fuses 6 are installed in the movable assembly part 5, the circular cap-shaped fuses 6 are connected with two movable conductive contact pieces 3, and the conductive metal connecting pieces 2 are electrically connected with the circular cap-shaped fuses 6 through the movable conductive contact pieces 3; the bottom of the movable assembly part 5 is rotationally connected with the bottom of the insulating main part body 1, the inside of the movable assembly part 5 is provided with an upper assembly cavity, a middle assembly cavity and a lower assembly cavity 501, the left end and the right end of the assembly cavity 501 are communicated with the outside, the diameter of the assembly cavity 501 is equal to that of the circular cap-shaped fuse 6, the circular cap-shaped fuse 6 is positioned in the assembly cavity 501 arranged in the movable assembly part 5, and the length of the circular cap-shaped fuse 6 is equal to that of the assembly cavity 501; the movable conductive contact 3 is rotationally connected with the conductive metal connecting piece 2, six movable limiting grooves 101 are symmetrically arranged in the insulating main piece body 1 in a left-right mode, the rear end of the movable conductive contact 3 is movably arranged in the movable limiting grooves 101 arranged in the insulating main piece body 1, and two ends of the circular cap-shaped fuse 6 are respectively contacted with the front ends of the two movable conductive contacts 3; a first spring 4 is arranged in a movable limiting groove 101 formed in the insulating main part body 1, one end of the first spring 4 is in contact with the rear end of the movable conductive contact part 3, when the movable assembly part 5 rotates to the topmost end, the top of the movable assembly part 5 is in contact with the insulating main part body 1, so that the round cap type fuse 6 is positioned at the middle part of the two movable conductive contact parts 3, the movable conductive contact part 3 is influenced by the thrust of the first spring 4 to rotate and reset, the bulge at the front end of the movable conductive contact part 3 is in contact with the round cap type fuse 6, the contact tightness between the movable conductive contact part 3 and the round cap type fuse 6 is ensured, the communication effect of the left movable conductive contact part 3 and the right movable conductive contact part 3 is realized through the round cap type fuse 6, the requirements of a ship bumping environment are better met, the protection effect of a switch protection device on a ship circuit and electrical equipment is ensured, after the melt in the round cap type fuse 6 is in a fuse failure, the round cap type fuse 6 is downwards rotated, the round cap type fuse 6 is separated from the movable conductive contact part 3, the round cap type fuse 6 in the movable assembly part 5 can be ejected out, the round cap type fuse 6 can be more easily replaced, the condition of the round cap type fuse 6 can be more easily replaced, and the electric shock condition is avoided; the top of the movable assembly part 5 is connected with a manual pull ring 7, and the manual pull ring 7 is connected with the top end of the insulating main part body 1; the left end and the right end of the front side of the insulating main part body 1 are fixedly connected with two insulating protection covers 8 through bolts respectively, and the insulating protection covers 8 are positioned outside the conductive metal connecting part 2; the top of the insulating main part body 1 is provided with a movable limiting part 9, and the movable limiting part 9 is connected with a manual pull ring 7; the fixed support seat 11 is fixed on the ship body through bolts, tension springs 12 are respectively connected to four ends of the fixed support seat 11, the tension springs 12 are connected with the insulating main part body 1, and the insulating main part body 1 is positioned on the front side of the fixed support seat 11.
The top of the insulating main part 1 is provided with an upper guide rod 102, the inside of the movable limiting part 9 is provided with a movable through hole 901, the movable limiting part 9 is slidably connected to the outer side of the upper guide rod 102 arranged on the insulating main part 1 through the movable through hole 901, the top of the insulating main part 1 is provided with a left limiting clamping hole 103 and a right limiting clamping hole 103, the top of the movable assembly part 5 is provided with a left guiding sliding hole 502 and a right guiding sliding hole 502, the inside of the manual pull ring 7 is provided with two guiding sliding rods 701, the guiding sliding rods 701 arranged on the manual pull ring 7 are slidably connected in the guiding sliding holes 502 arranged on the movable assembly part 5, the rear end of the manual pull ring 7 is provided with two locking hooks 702, the locking hooks 702 are outwards, the locking hooks 702 arranged on the manual pull ring 7 are clamped in the limiting clamping holes 103 arranged on the insulating main part 1, the outer sides of the locking hooks 702 are contacted with the limiting clamping holes 103, the left side and the right side of the movable limiting part 9 are respectively contacted with the inner sides of the two locking hooks 702, the outer side of the upper guide rod 102 arranged on the insulating main part 1 is sleeved with a second spring 10, the rear end of the second spring 10 is contacted with the insulating main part 1, and the rear end of the second spring 10 is contacted with the rear end of the movable limiting part 9;
by adopting the technical scheme, when the top of the movable assembly part 5 is in contact with the insulating main part body 1, the manual pull ring 7 is pushed backwards, the movable limiting part 9 is moved backwards, the second spring 10 is contracted, the locking clamping hook 702 is clamped in the limiting clamping hole 103, the movable limiting part 9 is influenced by the pushing force of the second spring 10 to move forwards along the upper guide rod 102, the left side and the right side of the movable limiting part 9 are respectively separated from the inner sides of the two locking clamping hooks 702, the locking clamping hooks 702 are prevented from being bent inwards, the manual pull ring 7 is fixed through the movable limiting part 9, the movable assembly part 5 is fixed through the manual pull ring 7, the contact stability between the circular cap type fuse 6 and the movable conductive contact part 3 is guaranteed, the circular cap type fuse 6 is effectively prevented from being influenced by the bump environment on a ship, when the movable conductive contact part 3 is required to be rotated to replace the internal circular cap type fuse 6, the movable limiting part 9 is separated from the inner sides of the locking clamping hooks, the locking clamping hooks 702 are pulled forwards to be separated inwards by the influence of the locking clamping hooks 702, and the inner bending inwards from the inner sides of the limiting clamping holes 103 can be driven by the manual pull ring 7 to rotate the movable assembly part 5 downwards, and the circular cap type fuse 6 is effectively prevented from contacting the circular cap type fuse 6.
Embodiment two:
the insulating main part body 1 is in a suspended shape and is positioned at the front side of the fixed supporting seat 11, the upper side and the lower side of the insulating main part body 1 are respectively provided with a stress pull groove 104, one end of a tension spring 12 is connected in the stress pull groove 104 arranged on the insulating main part body 1, four ends of the fixed supporting seat 11 are respectively provided with a stress pull hole 1101, the other end of the tension spring 12 is connected in the stress pull hole 1101 arranged on the fixed supporting seat 11, the rear side of the insulating main part body 1 is fixedly connected with four spring No. three 13, and the rear end of the spring No. three 13 is contacted with the front side of the insulating main part body 1;
by adopting the technical scheme, when the ship is bumped by sea waves, the insulating main part body 1 is subjected to inertial influence to move and release force, the insulating main part body 1 is buffered and protected by the tension spring 12 and the third spring 13, the influence of the ship on the round cap type fuse 6 is reduced, the protection effect on the round cap type fuse 6 is achieved, the round cap type fuse 6 is prevented from being damaged due to bumping, and therefore the protection effect of the round cap type fuse 6 on circuits and electrical equipment under the ship bumping state is guaranteed.
Specific use and action of the embodiment: in the invention, a fixed supporting seat 11 is arranged on a ship body through bolts, and the state of an insulating main part 1 is fixed through a tension spring 12 and a third spring 13; three conductive metal connectors 2 at the left end are connected with a power supply circuit in the ship body, and three conductive metal connectors 2 at the right end are connected with circuits and electrical equipment through the circuits; one part of the three circular cap-shaped fuses 6 is inserted into three assembly cavities 501 arranged in the movable assembly part 5, so that two ends of the circular cap-shaped fuses 6 are level with cavity openings on two sides of the assembly cavities 501; then the movable assembly part 5 is rotated upwards, the top of the movable assembly part 5 is contacted with the insulating main part body 1, the circular cap type fuse 6 is positioned at the middle part of the two movable conductive contact parts 3, the movable conductive contact parts 3 are rotationally reset under the influence of the thrust of the first spring 4, the front end protrusions of the movable conductive contact parts 3 are contacted with the circular cap type fuse 6, the contact tightness between the movable conductive contact parts 3 and the circular cap type fuse 6 is ensured, and the power supply circuit inside a ship body is connected with the circuit and the electric equipment through the matching of the conductive metal connecting parts 2, the movable conductive contact parts 3 and the circular cap type fuse 6, so that the protection effect of the switch protection device on the circuit and the electric equipment on the ship is ensured; when the top of the movable assembly part 5 contacts with the insulating main part body 1, the manual pull ring 7 is pushed backwards, the movable limiting part 9 is moved backwards, the second spring 10 is contracted, the locking hook 702 is clamped in the limiting clamping hole 103, the movable limiting part 9 is moved forwards along the upper guide rod 102 under the thrust of the second spring 10, the left side and the right side of the movable limiting part 9 are respectively connected with the inner sides of the two locking hooks 702, the locking hooks 702 are prevented from bending inwards, the manual pull ring 7 is fixed through the movable limiting part 9, the movable assembly part 5 is fixed through the manual pull ring 7, the contact stability between the circular cap type fuse 6 and the movable conductive contact part 3 is ensured, and the contact conductive effect of the circular cap type fuse 6 caused by bumping environment on a ship can be effectively avoided; when the ship is bumped by sea waves, the insulating main part 1 moves under the influence of inertia to release force, the insulating main part 1 is buffered and protected through the mutual cooperation of the tension spring 12 and the third spring 13, the influence of the ship bump on the circular cap type fuse 6 is reduced, the protection effect on the circular cap type fuse 6 is achieved, the circular cap type fuse 6 is prevented from being damaged due to bump, and the protection effect of the circular cap type fuse 6 on circuits and electrical equipment in a ship bump state is guaranteed; when the melt in the circular cap type fuse 6 is fused and fails, the movable limiting piece 9 is moved backwards, so that the movable limiting piece 9 is separated from the inner side of the locking clamping hook 702, the movable limiting piece 9 is pulled forwards, the locking clamping hook 702 is pulled inwards to be separated from the limiting clamping hole 103 under the influence of tension force, the movable assembly 5 can be driven to rotate downwards by the manual pull ring 7, the circular cap type fuse 6 is separated from the movable conductive contact 3, the circular cap type fuse 6 in the movable assembly 5 can be ejected out, the circular cap type fuse 6 in the movable assembly 5 is replaced, the operation is simpler, more convenient and time-saving, and the electric shock condition during replacement is effectively avoided.
Claims (4)
1. A switch protection device for facilitating replacement of a fuse, comprising: an insulating main body (1); six conductive metal connectors (2) are fixedly connected to the front side of the insulating main part body (1) in a bilateral symmetry mode, the three conductive metal connectors (2) at the left end are connected with a power supply circuit, and the three conductive metal connectors (2) at the right end are connected with electrical equipment through the circuit; one end of the conductive metal connecting piece (2) is connected with movable conductive contact pieces (3), and the six movable conductive contact pieces (3) are symmetrically positioned in the front side of the insulating main piece body (1) left and right; the front end of the insulating main part body (1) is connected with a movable assembly part (5), the movable assembly part (5) is made of insulating materials, two sides of the movable assembly part (5) are respectively in sliding contact with the insulating main part body (1), three circular cap-shaped fuses (6) are arranged in the movable assembly part (5), the circular cap-shaped fuses (6) are connected with two movable conductive contact pieces (3), and the conductive metal connecting pieces (2) are electrically connected with the circular cap-shaped fuses (6) through the movable conductive contact pieces (3); the top of the movable assembly part (5) is connected with a manual pull ring (7), and the manual pull ring (7) is connected with the top end of the insulating main part body (1); two insulation protection covers (8) are fixedly connected to the left end and the right end of the front side of the insulation main part body (1) through bolts respectively, and the insulation protection covers (8) are positioned outside the conductive metal connecting part (2); the top of the insulating main part body (1) is provided with a movable limiting part (9), and the movable limiting part (9) is connected with the manual pull ring (7); the fixed support seat (11), the fixed support seat (11) is fixed on the ship body through a bolt, four ends of the fixed support seat (11) are respectively connected with a tension spring (12), the tension springs (12) are connected with the insulating main part body (1), and the insulating main part body (1) is positioned at the front side of the fixed support seat (11); an upper guide rod (102) is arranged at the top of the insulating main part body (1), a movable through hole (901) is formed in the movable limiting part (9), the movable limiting part (9) is connected to the outer side of the upper guide rod (102) arranged in the insulating main part body (1) in a sliding mode through the movable through hole (901), and a left limiting clamping hole and a right limiting clamping hole (103) are formed in the top of the insulating main part body (1); the top of the movable assembly part (5) is provided with a left guide sliding hole (502) and a right guide sliding hole (502), the inside of the manual pull ring (7) is provided with two guide sliding rods (701), the guide sliding rods (701) arranged on the manual pull ring (7) are connected in the guide sliding holes (502) arranged on the movable assembly part (5) in a sliding way, the rear end of the manual pull ring (7) is provided with two locking hooks (702), the locking hooks (702) are outwards, the locking hooks (702) arranged on the manual pull ring (7) are clamped in limit clamping holes (103) arranged on the insulating main part body (1), the outer sides of the locking hooks (702) are contacted with the limit clamping holes (103), and the left side and the right side of the movable limiting part (9) are respectively contacted with the inner sides of the two locking hooks (702); the outer side of an upper guide rod (102) arranged on the insulating main part body (1) is sleeved with a second spring (10), the rear end of the second spring (10) is contacted with the insulating main part body (1), and the front end of the second spring (10) is contacted with the rear side of the movable limiting part (9); the insulation main part body (1) is in a suspended shape and is positioned at the front side of the fixed supporting seat (11), stress pull grooves (104) are respectively formed in the upper side and the lower side of the insulation main part body (1), one end of a tension spring (12) is connected in the stress pull grooves (104) formed in the insulation main part body (1), stress pull holes (1101) are respectively formed in the four ends of the fixed supporting seat (11), and the other end of the tension spring (12) is connected in the stress pull holes (1101) formed in the fixed supporting seat (11); the rear side of the insulating main part body (1) is fixedly connected with four third springs (13), and the rear ends of the third springs (13) are contacted with the front side of the insulating main part body (1).
2. A switch protection device for facilitating replacement of a fuse as defined in claim 1, wherein: the bottom of the movable assembly part (5) is rotationally connected with the bottom of the insulating main part body (1), the inside of the movable assembly part (5) is provided with an upper assembly cavity (501), a middle assembly cavity and a lower assembly cavity (501), the left end and the right end of the assembly cavity (501) are communicated with the outside, the diameter of the assembly cavity (501) is equal to that of the circular cap-shaped fuse (6), the circular cap-shaped fuse (6) is positioned in the assembly cavity (501) formed by the movable assembly part (5), and the length of the circular cap-shaped fuse (6) is equal to that of the assembly cavity (501).
3. A switch protection device for facilitating replacement of a fuse as defined in claim 1, wherein: the movable conductive contact (3) is rotationally connected with the conductive metal connecting piece (2), six movable limiting grooves (101) are symmetrically arranged inside the insulating main piece body (1), the rear end of the movable conductive contact (3) is movably arranged in the movable limiting grooves (101) formed in the insulating main piece body (1), and two ends of the circular cap-shaped fuse (6) are respectively contacted with the front ends of the two movable conductive contacts (3).
4. A switch protection device for facilitating replacement of a fuse as defined in claim 3, wherein: a first spring (4) is arranged in a movable limiting groove (101) formed in the insulating main part body (1), and one end of the first spring (4) is contacted with the rear end of the movable conductive contact part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311070633.5A CN116825588B (en) | 2023-08-24 | 2023-08-24 | Switch protection device convenient to change fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311070633.5A CN116825588B (en) | 2023-08-24 | 2023-08-24 | Switch protection device convenient to change fuse |
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| Publication Number | Publication Date |
|---|---|
| CN116825588A CN116825588A (en) | 2023-09-29 |
| CN116825588B true CN116825588B (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311070633.5A Active CN116825588B (en) | 2023-08-24 | 2023-08-24 | Switch protection device convenient to change fuse |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783450A (en) * | 2017-01-19 | 2017-05-31 | 浙江新力熔断器有限公司 | A kind of fuse and its fuse base |
| CN106952795A (en) * | 2017-04-19 | 2017-07-14 | 河南基泰电气有限公司 | One kind being capable of quick-replaceable fuse structure |
| CN116168993A (en) * | 2023-04-20 | 2023-05-26 | 深圳兴智数联科技有限公司 | Emergency protection device installed on data acquisition equipment |
-
2023
- 2023-08-24 CN CN202311070633.5A patent/CN116825588B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783450A (en) * | 2017-01-19 | 2017-05-31 | 浙江新力熔断器有限公司 | A kind of fuse and its fuse base |
| CN106952795A (en) * | 2017-04-19 | 2017-07-14 | 河南基泰电气有限公司 | One kind being capable of quick-replaceable fuse structure |
| CN116168993A (en) * | 2023-04-20 | 2023-05-26 | 深圳兴智数联科技有限公司 | Emergency protection device installed on data acquisition equipment |
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| CN116825588A (en) | 2023-09-29 |
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