CN218101156U - Safe fixed subassembly and fuse box - Google Patents

Abstract

The utility model discloses a safety fixing component and a fuse box, wherein the fuse box comprises a fixing component, a fuse part and an upper cover, and the fixing component comprises a blocking cover, a base and a fixing mechanism; the base is provided with a through fixing hole, the fixing hole comprises an accommodating hole and a through hole along the axis direction, the fixing mechanism is accommodated in the accommodating hole and extends out of the base through the through hole, the plug cover is buckled on the accommodating hole, the fixing mechanism fixes the safety part on the base, and the upper cover covers the base. This patent structural design is simple ingenious, improves product reliability, stability and security, reduce cost. The blocking cover connected by the buckle is arranged to prevent short circuit and falling off. And the T-shaped washer is adopted, so that the safety piece is firmly installed, and the nut is prevented from loosening. The fixing columns are arranged to prevent follow-up rotation from damaging the safety disc. The gasket is provided with a limiting surface so as to increase the friction force between the gasket and the safety disc. The nut adopts flange face nut or flange face auto-lock nut, prevents that the nut is not hard up in the use and leads to contact failure.

Description

Safe fixed subassembly and fuse box

Technical Field

The utility model relates to a safe fixed field especially relates to a safe fixed subassembly and fuse box.

Background

At present, most of automobile fuse boxes adopt bolts to match nuts to fix fuse pieces, and the fuse pieces and wiring terminals are guaranteed to be assembled firmly and reliably. The conventional protocol is as follows: first, with the shaping of bolt inserts on the base of fuse block, the rethread nut is fixed, but the mould of bolt inserts on the base is complicated, and the cost of manufacture is high with the selling price, is not convenient for use widely. Secondly, T-shaped bolts are clamped on a fuse box base and then fixed through nuts, however, the assembly process is complex, automatic production cannot be achieved, and product assembly is not facilitated; in addition, the position precision of the bolt is not well controlled, the customized bolt is required to be adopted, and the standardized production is not easy.

In addition, when the safety disc is fixed through the bolt, the safety disc is very easy to rotate due to the rotation of the nut, and the safety disc is easy to damage. Furthermore, how does the bolt secure the disc, waterproof to the bolt? And how does the nut loosen during long-term use to affect the reliability and stability of the rupture disc?

Therefore, in combination with the above-mentioned technical problems, there is a need to provide a new technical solution.

SUMMERY OF THE UTILITY MODEL

For the technical problem who exists among the solution prior art, the safe fixed subassembly and fuse box that this patent provided. The specific technical scheme is as follows:

according to an aspect of the present invention, there is provided a safety fixing assembly, comprising a plug, a base and a fixing mechanism;

the base is provided with a through fixing hole, the fixing hole comprises an accommodating hole and a through hole along the axis direction, the fixing mechanism is accommodated in the accommodating hole and penetrates through the through hole to extend out of the base, the fixing mechanism can fix an object on the base, and the plug cover is buckled on the accommodating hole.

As an optimal selection scheme of safe fixed subassembly, be provided with the shell fragment on the blanking cover, seted up the card hole on the shell fragment, it is protruding with card hole matched with card to be provided with on the base, the protruding buckle of card is downthehole in the card.

According to another aspect of the present invention, there is provided a fuse box, comprising a fuse component, an upper cover and a fixing assembly according to the above solution;

the fixing mechanism fixes the safety component on the base, and the upper cover covers the base.

As a preferred scheme of fuse box, fixed establishment includes bolt and nut, the bolt holding in the fixed orifices and stretch out to the base on, insurance part and nut wear to overlap in proper order on the bolt, insurance part is fixed in on the base through bolt and nut.

As a preferred embodiment of the fuse box of the present invention, the fixing mechanism further includes a washer, the washer is sleeved on the bolt, and the washer is located between the base and the fuse component.

As an optimal selection scheme of fuse box, be provided with at least one fixed column on the packing ring, the fixed column is towards the base, seted up on the base with fixed column matched with spacing groove, the fixed column is spacing in the spacing inslot.

As an optimal solution of fuse box, one side that the packing ring is close to insurance part is spacing face, spacing face is the non-smooth surface.

As a preferred scheme of the fuse box of the present invention, the nut is a flange nut or a flange self-locking nut;

the gasket is a T-shaped gasket.

As a preferable scheme of the fuse box of the utility model, the fuse box further comprises a fixing piece, one side of the base close to the upper cover is provided with an installation column, the installation column is provided with an installation hole, the upper cover is provided with a through hole, and the fixing piece passes through the through hole and is fixed in the installation hole; and/or

The base is provided with a first buckle structure, the upper cover is provided with a second buckle structure matched with the first buckle structure, and the first buckle structure is connected with the second buckle structure in a clamping mode.

As a preferable scheme of the fuse box of the utility model, the base is further provided with a drain hole;

be provided with a plurality of groups of baffle on the base, every group baffle is corresponding with fixed establishment, and every group baffle includes two binding post baffles, and two binding post baffles are located fixed establishment's both sides respectively, form the wiring passageway between two binding post baffles, the wiring passageway can hold and draw forth pencil.

Compared with the prior art, the technical scheme of this patent has one or more following beneficial effects at least:

the product of the utility model has the advantages of simple and ingenious structural design, improve product reliability, stability and security. The production process of the product is simplified, the cost is reduced, and the production efficiency is improved.

The use is safe and convenient, the blocking cover is arranged, short circuit of fixing mechanisms such as bolts can be prevented, and accidents are avoided. The blanking cover is buckled on the containing hole in a buckling mode, the buckle is firm, and the blanking cover is prevented from falling off due to vibration and falling or in the transportation process.

The T-shaped gasket is adopted, so that the safety piece is firmly installed, and the situation that the nut is loosened due to deformation of the stressed plastic part of the base under the action of torque exerted by the nut and the nut is loosened due to softening and deformation of the plastic part of the base at high temperature is prevented. The T-shaped gasket is provided with a fixing column, the fixing column is limited in a limiting groove of the base, and the safety piece is prevented from being damaged due to the fact that the gasket rotates along with the nut after the nut applies torsion.

The packing ring sets up spacing face, adopts the non-smooth surface to increase and the frictional force between the rupture disc, prevent that rupture disc and packing ring from producing relative operation and influencing the performance of rupture disc when the nut is tightened. The limiting surface is preferably a coarse sand grain surface.

The nut adopts a flange face nut or a flange face self-locking nut, so that the contact area between the nut and the safety disc is increased, and poor contact caused by loosening of the nut in the using process is prevented.

The bolt connection of upper cover and base and two kinds of assembly methods of buckle connection coexist, and when the fuse box was applied to little discharge capacity engine, adopt fixed upper cover of mode and base of buckle connection, the assembly is firm and saves the cost again. When the fuse box is applied to a large-displacement engine, the upper cover and the base are fixed in a bolt connection mode, and the firmness of assembly can be improved.

The base is also provided with a drain hole for draining residual water on the base. The base circumference is provided with a plurality of groups of baffles, and every group of baffle is corresponding with fixed establishment, and every group of baffle is formed with the wiring passageway, the wiring passageway can hold and draw forth pencil.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Figure 1 is a schematic diagram of an exploded structure of the fuse box according to the patent;

FIG. 2 is a schematic perspective view of a fuse box according to the present patent;

FIG. 3 is a schematic sectional view of the A-direction of FIG. 2;

FIG. 4 is an exploded view of the securing assembly of the present patent;

FIG. 5 is a schematic perspective view of the closure of the present patent;

FIG. 6 is a perspective view of an angle of the base according to the present disclosure;

FIG. 7 is a schematic perspective view of another angle of the base according to the present disclosure;

FIG. 8 is a perspective view of a gasket according to the present disclosure;

fig. 9 is a schematic perspective view of the upper cover of the present patent.

The device comprises a base, a cover 1, a base 2, a fixing mechanism 3, a safety component 4, an upper cover 5, a fixing piece 6, a spring plate 11, a clamping hole 12, a fixing hole 21, a containing hole 211, a through hole 212, a clamping protrusion 22, a limiting groove 23, a mounting column 24, a mounting hole 25, a first clamping structure 26, a drain hole 27, a first wiring terminal baffle 281, a first wiring terminal baffle 282, a second wiring terminal baffle 29, a wiring channel 31, a bolt 32, a nut 33, a washer 33, a fixing column 331, a limiting surface 332, a through hole 51 and a second clamping structure 52.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. 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.

In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "provided", "connected", "mounted", "sleeved", "opened", "fixed", and the like shall be understood in a broad sense, and may be, for example, a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Referring to fig. 4-8, as shown in fig. 4-8, an aspect of the present invention discloses a safety fixing assembly, which is mainly used for a fuse box, but is not limited thereto. The fixing component comprises a plugging cover 1, a base 2 and a fixing mechanism 3;

as shown in fig. 6 to 7, a through fixing hole 21 is disposed on the base 2, the fixing hole 21 includes an accommodating hole 211 and a through hole 212 along an axial direction, the accommodating hole 211 is communicated with the through hole 212, the fixing mechanism 3 is accommodated in the accommodating hole 211 and extends out of the base 2 through the through hole 212, the fixing mechanism 3 can fix an object on the base 2, and the blocking cover 1 is fastened on the accommodating hole 211. The blanking cover can prevent short circuit and accidents of fixing mechanisms such as bolts and the like.

As shown in fig. 5-6, the blocking cover 1 is provided with a spring plate 11, the spring plate 11 is provided with a locking hole 12, the base 2 is provided with a locking protrusion 22 matching with the locking hole 12, and the locking protrusion 22 is locked in the locking hole 12. The blocking cover is buckled on the containing hole in a buckling mode, the buckling is firm, and the blocking cover is prevented from falling off due to vibration or in a falling or transporting process.

On the other hand, as shown in fig. 1-9, the utility model discloses a fuse box comprising a safety fixing component, which comprises a fuse component 4, an upper cover 5 and the fixing component;

the fixing mechanism 3 fixes the safety component 4 on the base 2, the upper cover 5 covers the base 2, and the safety component 4 is accommodated in an accommodating cavity formed by the base 2 and the upper cover 5. The fuse component includes a fuse piece, a fuse or other structural fuse component, etc. In the example, the safety component is a safety disc, and two ends of the safety disc are fixed on the base 2 through fixing mechanisms and fixing holes 21 respectively. In the example, there are two rupture discs, although this patent is not limited thereto.

In a preferred embodiment, as shown in fig. 1 and 3, the fixing mechanism 3 includes a bolt 31 and a nut 32, the bolt 31 is received in the fixing hole 21 and extends to the base 2, the safety member 4 and the nut 32 are sequentially sleeved on the bolt 31, the nut 32 is screwed, and the safety member 4 is fixed on the base 2. Preferably, the nut is a flange face nut or a flange face self-locking nut. The flange face nut or the flange face self-locking nut is adopted, so that the contact area between the flange face nut and the safety disc is increased, and poor contact caused by loosening of the nut in the using process is prevented. In an example, the cross section of the bolt head is preferably non-circular, and one side of the accommodating hole 211 close to the through hole is a non-circular hole matched with the bolt head, so that the bolt head is fixedly accommodated in the fixing hole, and the difficulty in locking the nut due to the following rotation of the bolt during fixing is avoided.

In a preferred embodiment, as shown in fig. 1, 3 and 8, the fixing mechanism 3 further comprises a washer 33, the washer 33 is threaded on the bolt 31, and the washer 33 is located between the base 2 and the safety member 4. Preferably, the gasket 33 is a T-shaped gasket. The T-shaped gasket is adopted, so that the safety piece is firmly installed, and the situation that the nut is loosened due to deformation of the stressed plastic part of the base under the action of torque exerted by the nut and the nut is loosened due to softening and deformation of the plastic part of the base at high temperature is prevented.

Preferably, as shown in fig. 8, at least one fixing column 331 is disposed on the gasket 33, the fixing column 331 faces the base 2, a limiting groove 23 matched with the fixing column 331 is formed in the base 2, and the fixing column 331 is limited in the limiting groove 23. In an example, two fixing posts 331 are symmetrically disposed on the gasket. Set up the fixed column, the fixed column is spacing in the spacing inslot of base, prevents that the nut from exerting torsion back packing ring follow-up and changeing and destroying the rupture disc.

One side of the gasket 33 close to the safety component 4 is a limiting surface 332, and the limiting surface 332 is a non-smooth surface. In an example, the limiting surface 332 is preferably a coarse sand grain surface. Set up spacing face, adopt the non-smooth surface to increase and the frictional force between the rupture disc, prevent that rupture disc and packing ring from producing the relative operation and influencing the performance of rupture disc when clenching the nut.

As shown in fig. 1, 3, 6-7 and 9, the upper cover 5 is covered on the base. On one hand, bolt connection can be adopted, specifically, the fuse box further comprises a fixing piece 6, a mounting column 24 is arranged on one side, close to the upper cover 5, of the base 2, a mounting hole 25 is formed in the mounting column 24, a through hole 51 is formed in the upper cover 5, and the fixing piece 6 penetrates through the through hole 51 and is fixed in the mounting hole 25; in the example, the fixing piece 6 is a knurled screw with a high head, and the mounting hole is a threaded hole matched with the knurled screw with the high head; on the other hand, the base 2 may be connected by a snap, the base is provided with a first snap structure 26, the upper cover 5 is provided with a second snap structure 52 matched with the first snap structure 26, and the first snap structure 26 is connected with the second snap structure 52 in a snap-fit manner. In an example, the first locking structure 26 is a locking groove, and the second locking structure 52 is a hook, and the hook is locked in the locking groove. The bolt connection of upper cover and base and two kinds of assembly methods of buckle connection coexist, and when the fuse box was applied to little discharge capacity engine, adopt fixed upper cover of mode and base of buckle connection, the assembly is firm and saves the cost again. When the fuse box is applied to a large-displacement engine, the upper cover and the base are fixed in a bolt connection mode, and the firmness of assembly can be improved.

In other preferred embodiments, as shown in fig. 6-7, the base 2 is further provided with a drain hole 27 for draining water from the base.

In other preferred examples, as shown in fig. 1-2, 6 and 9, the base 2 is provided with a plurality of sets of baffles, each set of baffles corresponds to the fixing mechanism 3, each set of baffles includes two terminal baffles, the two terminal baffles are respectively located at two sides of the fixing mechanism 3, a wiring channel 29 is formed between the two terminal baffles, and the wiring channel 29 can accommodate and lead out a wiring harness. In the illustrated example, each set of shutters includes a first terminal shutter 281 and a second terminal shutter 282. In the example, four sets of baffles 28 are provided on the base 2, although the patent is not limited thereto.

All the above technical features can be freely combined without conflict, and moreover, the structural change, the modification and the modification of the components are also within the protection scope of the patent.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "yet another embodiment," "other embodiments," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (10)

1. A safety fixing component is characterized by comprising a plug cover (1), a base (2) and a fixing mechanism (3);

the base (2) is provided with a through fixing hole (21), the fixing hole (21) comprises an accommodating hole (211) and a through hole (212) along the axis direction, the fixing mechanism (3) is accommodated in the accommodating hole (211) and penetrates through the through hole (212) to extend out of the base (2), the fixing mechanism (3) can fix an object on the base (2), and the plug cover (1) is buckled on the accommodating hole (211).

2. The safety fixing assembly according to claim 1, wherein the plug cover (1) is provided with a spring plate (11), the spring plate (11) is provided with a clamping hole (12), the base (2) is provided with a clamping protrusion (22) matched with the clamping hole (12), and the clamping protrusion (22) is clamped in the clamping hole (12).

3. A fuse block, characterized by comprising a fuse part (4), an upper cover (5) and a fixing assembly according to claim 1 or 2;

the fixing mechanism (3) fixes the safety component (4) on the base (2), and the upper cover (5) covers the base (2).

4. A fuse block according to claim 3, characterized in that the fixing mechanism (3) comprises a bolt (31) and a nut (32), the bolt (31) is received in the fixing hole (21) and extends to the base (2), the fuse element (4) and the nut (32) are sequentially sleeved on the bolt (31), and the fuse element (4) is fixed on the base (2) through the bolt (31) and the nut (32).

5. A fuse block according to claim 4, characterized in that the securing mechanism (3) further comprises a washer (33), the washer (33) being threaded onto the bolt (31), the washer (33) being located between the base (2) and the fuse element (4).

6. A fuse box according to claim 5, characterized in that at least one fixing column (331) is arranged on the washer, the fixing column (331) faces the base (2), a limiting groove (23) matched with the fixing column (331) is formed in the base, and the fixing column (331) is limited in the limiting groove (23).

7. A fuse block according to claim 5, characterized in that the side of the washer (33) adjacent to the fuse element (4) is a limiting surface (332), and the limiting surface (332) is a non-smooth surface.

8. A fuse block in accordance with claim 7 wherein the nut is a flange face nut or a flange face self-locking nut;

the gasket (33) is a T-shaped gasket.

9. A fuse box according to claim 3, characterized by further comprising a fixing member (6), wherein one side of the base (2) close to the upper cover (5) is provided with a mounting column (24), the mounting column (24) is provided with a mounting hole (25), the upper cover (5) is provided with a through hole (51), and the fixing member (6) passes through the through hole (51) and is fixed in the mounting hole (25); and/or

The base (2) is provided with a first buckle structure (26), the upper cover (5) is provided with a second buckle structure (52) matched with the first buckle structure (26), and the first buckle structure (26) is connected with the second buckle structure (52) in a clamping mode.

10. A fuse block according to claim 3, characterized in that the base (2) is further provided with a drain hole (27);

be provided with a plurality of groups of baffle on base (2), every group baffle is corresponding with fixed establishment (3), and every group baffle includes two binding post baffles, and two binding post baffles are located the both sides of fixed establishment (3) respectively, form wiring passageway (29) between two binding post baffles, wiring passageway (29) can hold and draw forth the pencil.

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