CN219917056U - Fuse with firm in connection base - Google Patents
Fuse with firm in connection base Download PDFInfo
- Publication number
- CN219917056U CN219917056U CN202321120777.2U CN202321120777U CN219917056U CN 219917056 U CN219917056 U CN 219917056U CN 202321120777 U CN202321120777 U CN 202321120777U CN 219917056 U CN219917056 U CN 219917056U
- Authority
- CN
- China
- Prior art keywords
- fuse
- base
- fuse body
- spacing
- movable cavity
- 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.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 25
- 230000004224 protection Effects 0.000 claims abstract description 24
- 238000003032 molecular docking Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 abstract description 15
- 230000001681 protective effect Effects 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
Landscapes
- Fuses (AREA)
Abstract
The utility model discloses a fuse with a firm-connection base, which comprises a fuse body, contacts and a mounting base, wherein the contacts are connected to two ends of the fuse body, the mounting base is arranged below the fuse body, the two sides above the mounting base are connected with a butt joint rod, the butt joint rod penetrates through the middle of the contacts, a nut is sleeved on the outer side of the butt joint rod, an auxiliary limiting mechanism is arranged between the fuse body and the mounting base, the auxiliary limiting mechanism comprises a movable cavity, a supporting seat, a guide rod, a spring and a limiting seat, and the movable cavity is arranged on two sides of the surface of the mounting base. This fuse with firm in connection base supports spacingly through supplementary stop gear to the fuse body for the connection between this fuse and the installation base is more firm, through the protection casing of installing in the fuse body outside, avoids the spark that the fuse body explosion splashes to cause the accident, makes this fuse have protective structure.
Description
Technical Field
The utility model relates to the technical field of fuses, in particular to a fuse with a firmly connected base.
Background
The fuse is an electric appliance which fuses a melt by heat generated by the fuse when a current exceeds a predetermined value to open a circuit. The fuse is a kind of current protector which is made up by using the principle that after the current exceeds a specified value for a period of time, the fuse body is melted by the heat generated by the fuse body, so that the circuit is broken. The fuse is widely applied to high-low voltage distribution systems, control systems and electric equipment, is used as a protector for short circuit and overcurrent, and is one of the most common protection devices.
The fuse on the current market is generally locked and installed between a fuse contact and an installation base through a direct nut when in use, the bottom of the fuse contact is supported through the nut, and in the installation and use process of the existing fuse, once the nut below the contact is loosened, the position is deviated, so that the fuse is not firmly connected with the installation base, and therefore the fuse with a firm connection base is provided.
Disclosure of Invention
The utility model aims to provide a fuse with a firm-connection base, so as to solve the problem that in the prior art, when the fuse is installed and used in the market, once the loosening position of a nut below a contact is shifted, the fuse is not firmly connected with the installation base.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fuse with firm in connection base, includes fuse body, contact and installation base, the both ends of fuse body are connected with the contact, and the below of fuse body is provided with the installation base, the top both sides of installation base are connected with the butt joint pole, the butt joint pole runs through the middle part at the contact, and the outside cover of butt joint pole is equipped with the nut, be provided with supplementary stop gear jointly between fuse body and the installation base, and supplementary stop gear includes movable chamber, supporting seat, guide bar, spring and spacing seat, the surface both sides at the installation base are seted up in the movable chamber.
Preferably, a supporting seat is vertically inserted above the movable cavity, and a guide rod penetrates through the lower part of the supporting seat.
Preferably, both ends of the guide rod are connected with the inner wall of the movable cavity, and the outer side of the guide rod is sleeved with a spring.
Preferably, the both ends of spring are connected with supporting seat and activity chamber respectively, the top of supporting seat is connected with spacing seat, and the inner wall of spacing seat is laminated mutually with the fuse body.
Preferably, the outside of fuse body is provided with protection machanism, and protection machanism includes fixing base, spacing groove, protection casing and spacing, the fixing base sets up in the outside of docking rod.
Preferably, the bottom of fixing base is connected with the installation base, and the limiting groove has been seted up to the inner wall of fixing base.
Preferably, the outside cover of fuse body is equipped with the protection casing, and the below both sides of protection casing are connected with spacing, spacing is connected with the spacing groove.
Compared with the prior art, the utility model has the beneficial effects that: this fuse with firm in connection base supports spacingly through supplementary stop gear to the fuse body for the connection between this fuse and the installation base is more firm, through the protection casing of installing in the fuse body outside, avoids the spark that the fuse body explosion splashes to cause the accident, makes this fuse have protective structure.
1. When the fuse with the firm-connection base is assembled, the fuse body is sleeved with the butt joint rod on the mounting base through the contacts at the two ends, the two supporting seats are pulled outwards simultaneously, the supporting seats pulled outwards drive the limiting seats connected with the top ends to move synchronously, then the fuse body is pushed downwards to the limit position, the supporting seats pulled outwards can be loosened, the loosened supporting seats move inwards to reset automatically until the two sides of the fuse body are clamped and limited by the inner walls of the limiting seats, the nuts are sleeved on the outer sides of the butt joint rod and screwed tightly, and the fuse body is supported and limited by the auxiliary limiting mechanism, so that the fuse is connected with the mounting base more firmly;
2. this fuse with firm in connection base dock the bottom of protection casing and the opening part of fixing base earlier to promote the protection casing downwards, the protection casing of downwards promotion can make spacing and the inner wall of fixing base produce certain extrusion, until spacing and the position of spacing groove corresponding, the spacing that does not receive external force extrusion this moment can automatic re-setting accomplish and laminating mutually with the inner wall of spacing groove, can carry out spacingly to the protection casing, through the protection casing at the fuse body outside installation, avoid the spark that the fuse body explosion splashes to arouse the accident, thereby make this fuse have protective structure.
Drawings
FIG. 1 is a schematic view of a front view in section of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the auxiliary limiting mechanism of the present utility model in front view;
fig. 4 is a schematic view of a front view of a protection mechanism according to the present utility model.
In the figure: 1. a fuse body; 2. a contact; 3. a mounting base; 4. a butt joint rod; 5. a nut; 6. an auxiliary limiting mechanism; 61. a movable cavity; 62. a support base; 63. a guide rod; 64. a spring; 65. a limit seat; 7. a protective mechanism; 71. a fixing seat; 72. a limit groove; 73. a protective cover; 74. and a limit strip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a fuse with firm in connection base, including fuse body 1, contact 2 and installation base 3, the both ends of fuse body 1 are connected with contact 2, and the below of fuse body 1 is provided with installation base 3, the top both sides of installation base 3 are connected with butt joint pole 4, butt joint pole 4 runs through at the middle part of contact 2, and the outside cover of butt joint pole 4 is equipped with nut 5, be provided with supplementary stop gear 6 jointly between fuse body 1 and the installation base 3, and supplementary stop gear 6 includes movable chamber 61, supporting seat 62, guide bar 63, spring 64 and spacing seat 65, the surface both sides at installation base 3 are seted up to movable chamber 61.
A supporting seat 62 is vertically inserted above the movable cavity 61, and a guide rod 63 penetrates through the lower part of the supporting seat 62; two ends of the guide rod 63 are connected with the inner wall of the movable cavity 61, and a spring 64 is sleeved outside the guide rod 63; the both ends of spring 64 are connected with supporting seat 62 and movable cavity 61 respectively, and the top of supporting seat 62 is connected with spacing seat 65, and the inner wall of spacing seat 65 is laminated mutually with fuse body 1, and the shape of spacing seat 65 is "L" style of calligraphy, and supporting seat 62 passes through between spring 64 and the movable cavity 61 and constitutes the extending structure.
When the fuse body 1 is assembled, firstly, the fuse body 1 is sleeved with the butt joint rod 4 on the mounting base 3 through the contacts 2 at two ends, the two supporting seats 62 are pulled outwards simultaneously, the supporting seat 62 pulled outwards drives the limiting seat 65 connected with the top end to move synchronously, the supporting seat 62 presses the spring 64 sleeved on the outer side of the guide rod 63 when moving in the movable cavity 61, then the fuse body 1 is pushed downwards to the limit position, the supporting seat 62 pulled outwards can be loosened, the supporting seat 62 after loosening drives the limiting seat 65 connected with the elastic acting force of the spring 64 to move inwards simultaneously until the inner wall of the limiting seat 65 clamps and limits two sides of the fuse body 1, finally, the nut 5 is sleeved on the outer side of the butt joint rod 4 and screwed tightly, and the fuse body 1 is supported and limited through the auxiliary limiting mechanism 6, so that the fuse and the mounting base 3 are connected more firmly.
The outside of the fuse body 1 is provided with a protection mechanism 7, and the protection mechanism 7 comprises a fixed seat 71, a limit groove 72, a protective cover 73 and a limit strip 74, wherein the fixed seat 71 is arranged on the outside of the butt joint rod 4; the bottom of the fixed seat 71 is connected with the mounting base 3, and a limit groove 72 is formed in the inner wall of the fixed seat 71; the outside cover of fuse body 1 is equipped with protection casing 73, and the below both sides of protection casing 73 are connected with spacing 74, and spacing 74 is connected with spacing groove 72, and spacing 74 is the rubber material, and the cross-sectional dimension of spacing 74 and the cross-sectional dimension phase-match of spacing groove 72, and is the block between spacing 74 and the spacing groove 72 and be connected, and fixing base 71 is symmetrical distribution about the central line of installation base 3.
In specific implementation, firstly, the bottom of the protective cover 73 is abutted with the opening of the fixing seat 71, the protective cover 73 is pushed downwards, the protective cover 73 pushed downwards can enable the limiting strip 74 to be extruded with the inner wall of the fixing seat 71 to a certain extent, and because the limiting strip 74 made of rubber material has certain elasticity, when being extruded, the limiting strip 74 can deform to a certain extent until the position of the limiting strip 74 corresponds to that of the limiting groove 72, at the moment, the limiting strip 74 which is not extruded by external force can automatically reset to be attached to the inner wall of the limiting groove 72, the protective cover 73 can be limited, and the protective cover 73 arranged on the outer side of the fuse body 1 can prevent accidents caused by spark splashed by explosion of the fuse body 1, so that the fuse has a protection structure.
In summary, when the fuse with the firm-to-connect base is used, the fuse body 1 and the mounting base 3 are assembled, the mounting base 3 is mounted at a designated position and connected with a circuit, the fuse body 1 is normally operated when the current in the circuit is within the specified value of the fuse body 1 in the using process of the fuse body 1, the fuse body 1 is automatically disconnected when the current in the circuit exceeds the specified value of the fuse body 1, and the safety of electric equipment is protected in sequence.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. The utility model provides a fuse with firm in connection base, includes fuse body (1), contact (2) and installation base (3), its characterized in that:
the fuse is characterized in that contacts (2) are connected to two ends of the fuse body (1), an installation base (3) is arranged below the fuse body (1), docking rods (4) are connected to two sides of the upper portion of the installation base (3), the docking rods (4) penetrate through the middle of the contacts (2), nuts (5) are sleeved on the outer sides of the docking rods (4), an auxiliary limiting mechanism (6) is arranged between the fuse body (1) and the installation base (3) in a common mode, the auxiliary limiting mechanism (6) comprises a movable cavity (61), a supporting seat (62), a guide rod (63), a spring (64) and a limiting seat (65), and the movable cavity (61) is formed in two sides of the surface of the installation base (3).
2. A fuse with a securely attached base as defined in claim 1, wherein: a supporting seat (62) is vertically inserted above the movable cavity (61), and a guide rod (63) penetrates through the lower part of the supporting seat (62).
3. A fuse with a securely attached base as defined in claim 2, wherein: the two ends of the guide rod (63) are connected with the inner wall of the movable cavity (61), and a spring (64) is sleeved on the outer side of the guide rod (63).
4. A fuse with a secure attachment base as defined in claim 3, wherein: the two ends of the spring (64) are respectively connected with the supporting seat (62) and the movable cavity (61), a limiting seat (65) is connected above the supporting seat (62), and the inner wall of the limiting seat (65) is attached to the fuse body (1).
5. A fuse with a securely attached base as defined in claim 1, wherein: the outside of fuse body (1) is provided with protection machanism (7), and protection machanism (7) are including fixing base (71), spacing groove (72), protection casing (73) and spacing (74), fixing base (71) set up in the outside of docking pole (4).
6. A fuse with a securely attached base as defined in claim 5, wherein: the bottom of fixing base (71) is connected with installation base (3), and limit groove (72) have been seted up to the inner wall of fixing base (71).
7. A fuse with a securely attached base as defined in claim 6, wherein: the outside cover of fuse body (1) is equipped with protection casing (73), and the below both sides of protection casing (73) are connected with spacing (74), spacing (74) are connected with spacing groove (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120777.2U CN219917056U (en) | 2023-05-11 | 2023-05-11 | Fuse with firm in connection base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321120777.2U CN219917056U (en) | 2023-05-11 | 2023-05-11 | Fuse with firm in connection base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917056U true CN219917056U (en) | 2023-10-27 |
Family
ID=88433634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321120777.2U Active CN219917056U (en) | 2023-05-11 | 2023-05-11 | Fuse with firm in connection base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219917056U (en) |
-
2023
- 2023-05-11 CN CN202321120777.2U patent/CN219917056U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |