CN209859906U - Fuse with rotary handle - Google Patents

Abstract

The utility model belongs to the technical field of the fuse, especially, relate to a fuse with rotation type handle, including casing and handle, the handle rotatably install in the casing, the handle include installation department and an organic whole connect in the handle portion of installation department one end, the installation department is provided with the installation cavity that is used for placing the fusion tube, the installation department with be formed with ventilative gap between the casing. Compared with the prior art, the utility model discloses a fuse can not only realize installing side by side, and heat dispersion is excellent moreover.

Description

Fuse with rotary handle

Technical Field

The utility model belongs to the technical field of the fuse, especially, relate to a fuse with rotation type handle.

Background

The fuse is an electric appliance which fuses a fuse tube by heat generated by itself to open a circuit when a current exceeds a predetermined value. The fuse includes a housing and a fuse assembly within the housing, the fuse assembly including a fuse tube and other electrical components, the fuse tube being electrically connected to the other electrical components to effect a normal operating state of the fuse.

Under the condition of long-term operation of the fuse, the fusion tube is easy to damage, and the fusion tube needs to be replaced after being damaged. Patent CN201521091713 discloses a fuse with draw rotation type handle, including the casing, be equipped with the handle portion that is used for placing the fusion tube in the casing, handle portion and casing demountable installation when the fusion tube damages, only need pull out the handle and rotate to suitable angle and can take out and change the fusion tube. Although the technical problem that the fusion tube is difficult to disassemble and replace is solved to a certain extent by the scheme, at least the following problems exist in the scheme: 1) fuses with pull rotary handles cannot be installed side by side, and because pull rotation cannot be achieved when the fuses are installed side by side, damaged fusion tubes are difficult to take out; 2) the existing drawing rotary handle and the shell are compactly arranged and sealed, and the heat dissipation is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the fuse with the rotary handle is provided aiming at the defects of the prior art, the parallel installation can be realized, the damaged fusion tube can be taken out through simple rotation, and the heat dissipation performance is excellent.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fuse with rotation type handle, includes casing and handle, the handle rotatably install in the casing, the handle include installation department and a body coupling in the handle portion of installation department one end, the installation department is provided with the installation cavity that is used for placing the fusion tube, the installation department with be formed with ventilative gap between the casing.

As an improvement of fuse with rotation type handle, be provided with fixed subassembly in the casing, fixed subassembly includes clamping and jump ring, the clamping passes through the jump ring install in on the casing, the clamping is used for cliping on the copper cap of fusion tube.

As an improvement of the fuse with rotary handle, it is fixed to be provided with a plurality of locating pieces that are used for the cooperation in the casing the locating piece of handle.

As an improvement of the fuse with rotary handle, still be provided with in the casing and be used for the pairing rotation after the handle carries out spacing locating part.

As an improvement of the fuse with rotary handle, the casing is provided with a plurality of heat dissipation holes on the periphery and the bottom.

As an improvement of the fuse with the rotary handle of the utility model, the left and right sides of the shell are respectively provided with a wiring port.

As an improvement to the fuse with rotary handle of the present invention, the housing includes a bottom shell and a face shell, the bottom shell and the face shell are ultrasonically welded together.

As an improvement of fuse with rotation type handle, the drain pan bottom is provided with first draw-in groove, the face-piece bottom be provided with in corresponding position with the second draw-in groove that first draw-in groove matches each other.

As an improvement of the fuse with rotary handle of the present invention, the first slot and the second slot are provided with a stopper therebetween.

As an improvement to the fuse with rotating handle of the present invention, the end of the retainer is provided with a mounting buckle.

The beneficial effects of the utility model reside in that: the utility model provides a fuse with rotation type handle, including casing and handle, the handle rotatably install in the casing, the handle include installation department and an organic whole connect in the handle portion of installation department one end, the installation department is provided with the installation cavity that is used for placing the fusion tube, the installation department with be formed with air permeable gap between the casing. On one hand, because the utility model is only provided with the handle part at one end of the mounting part, the fuse of the utility model can be mounted side by side, when the fuse tube is damaged, only the handle part needs to be rotated, so that the opening of the mounting cavity faces outwards, and the damaged fuse tube can be taken out; on the other hand, the utility model discloses be formed with ventilative gap between the installation department of well handle and the casing for the heat accessible ventilative gap that the inside fusion tube of casing gived off gives off the external world, reduces the inside heat of casing, improves the security performance of fuse. In a word, compare in prior art, the utility model discloses a fuse can not only realize installing side by side, and heat dispersion is excellent moreover.

Drawings

Fig. 1 is a perspective view of the present invention.

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

Fig. 3 is a perspective view of the handle of the present invention after rotation.

Fig. 4 is a sectional view of the handle of the present invention after rotation.

Fig. 5 is the installation relationship diagram of the three of the middle clamping clip, the clamp spring and the fusion tube.

Fig. 6 is a schematic structural diagram of the middle bottom shell/face shell of the present invention.

Wherein: 1-shell, 2-handle, 3-fusion tube, 4-fixing component, 5-positioning block, 6-limiting piece, 7-heat dissipation hole, 8-wiring port, 9-stopping piece, 11-bottom shell, 12-face shell, 20-ventilation gap, 21-mounting part, 22-handle part, 31-copper cap, 41-clamping clip, 42-clamping spring, 91-mounting buckle, 111-first clamping groove, 121-second clamping groove and 211-mounting cavity.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, within which a person skilled in the art can solve the technical problem to substantially achieve the technical result.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", horizontal "and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and 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 present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between 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.

The present invention will be described in further detail with reference to the accompanying drawings, which are not intended to limit the present invention.

As shown in FIG. 1 ~ 6, a fuse with a rotary handle, including a housing 1 and a handle 2, the handle 2 is rotatably mounted on the housing 1, the handle 2 includes a mounting portion 21 and a handle portion 22 integrally connected to one end of the mounting portion 21, the mounting portion 21 is provided with a mounting cavity 211 for placing a fuse tube 3, and a ventilation gap 20 is formed between the mounting portion 21 and the housing 1. it should be noted that, when the fuse tube 3 is damaged, only the handle portion 22 needs to be rotated, so that the opening of the mounting cavity 211 faces outward, and the damaged fuse tube 3 can be taken out. in addition, a ventilation gap 20 is formed between the mounting portion 21 of the handle 2 and the housing 1, so that heat emitted by the fuse tube 3 inside the housing 1 can be emitted to the outside through the ventilation gap 20, thereby reducing heat inside the housing 1 and improving safety performance of the fuse.

Further, a fixing assembly 4 is arranged in the housing 1, the fixing assembly 4 comprises a clamp 41 and a clamp spring 42, the clamp 41 is mounted on the housing 1 through the clamp spring 42, and the clamp 41 is used for clamping the copper cap 31 of the fusion tube 3. When the handle 2 with the fusion tube 3 attached thereto is inserted into the housing 1, the clip 41 clips the brass cap 31 of the fusion tube 3, and when the handle 2 is rotated, the brass cap 31 is also disengaged from the clip 41.

Furthermore, a plurality of positioning blocks 5 for matching and fixing the handle 2 are arranged in the housing 1. When the handle 2 is inserted into the shell 1, the handle is matched with the positioning block 5 to form fixed installation, and the installation reliability of the whole fuse is improved.

Further, a stopper 6 for stopping the rotated handle 2 is provided in the housing 1. When the handle 2 is rotated, the mounting portion 21 is restricted by the stopper 6.

Further, the circumferential surface and the bottom of the housing 1 are provided with a plurality of heat dissipation holes 7. The heat dissipation holes 7 are formed in multiple directions and are provided with a plurality of heat dissipation holes, so that heat dissipated from the fusion tubes 3 in the shell 1 can be better dissipated out of the shell 1, and the heat dissipation performance of the fuse is further improved.

Further, the housing 1 is provided with a wiring port 8 at each of the left and right sides. The fuse is connected to an external device via a connection port 8.

Further, the case 1 includes a bottom case 11 and a face case 12, and the bottom case 11 and the face case 12 are ultrasonically welded together. Ultrasonic bonding's production efficiency is high, at the bottom of the defective rate, and welding effect is good moreover, can improve the structural stability of whole fuse.

Further, a first card slot 111 is disposed at the bottom of the bottom shell 11, and a second card slot 121 matched with the first card slot 111 is disposed at the corresponding position at the bottom of the face shell 12. A stopper 9 is provided between the first card slot 111 and the second card slot 121. The end of the stop 9 is provided with a mounting catch 91. The retainer 9 is fixed through the first clamping groove 111 and the second clamping groove 121, the fixing effect is better, and the retainer 9 can be prevented from loosening and falling off. In addition, can fix whole fuse on equipment for use through installation buckle 91, simple to operate.

During installation, the fusion tube 3 is placed in the installation cavity 211, the handle 2 is installed in the shell 1, the handle 2 is installed in a manner of being matched with the fixing block, and meanwhile, the copper cap 31 of the fusion tube 3 is clamped in the clamp 41, so that the fixed installation of the handle 2 and the fusion tube 3 is realized; then the line connection between the external device and the fusion tube 3 is realized through the wiring port 8; finally the whole fuse is fixed on the equipment to be used by mounting the buckle 91.

When dismantling, the handle is rotated, and fusion tube 3 breaks away from inside the clamping 41, and handle 2 rotates along locating part 6, makes the opening of installation cavity 211 outwards at last, takes out its inside damaged fusion tube 3.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims (10)

1. The utility model provides a fuse with rotation type handle which characterized in that: including casing and handle, the handle rotatably install in the casing, the handle include installation department and an organic whole connect in the handle portion of installation department one end, the installation department is provided with the installation cavity that is used for placing the fusion tube, the installation department with be formed with ventilative gap between the casing.

2. A fuse with a rotary handle as in claim 1, wherein: the improved fuse tube fixing device is characterized in that a fixing assembly is arranged in the shell and comprises a clamping clip and a clamping spring, the clamping clip passes through the clamping spring and is installed on the shell, and the clamping clip is used for clamping a copper cap of the fuse tube.

3. A fuse with a rotary handle as in claim 1, wherein: the shell is internally provided with a plurality of positioning blocks for fixing the handle in a matching manner.

4. A fuse with a rotary handle as in claim 1, wherein: still be provided with in the casing and be used for the rotation back the handle carries out spacing locating part.

5. A fuse with a rotary handle as in claim 1, wherein: the periphery and the bottom of the shell are provided with a plurality of heat dissipation holes.

6. A fuse with a rotary handle as in claim 1, wherein: the left side and the right side of the shell are respectively provided with a wiring port.

7. A fuse with a rotary handle as in claim 1, wherein: the shell comprises a bottom shell and a face shell, and the bottom shell and the face shell are welded together in an ultrasonic mode.

8. A fuse with a rotary handle as in claim 7, wherein: the bottom of the bottom shell is provided with a first clamping groove, and the bottom of the face shell is provided with a second clamping groove matched with the first clamping groove at a corresponding position.

9. A fuse with a rotary handle as in claim 8, wherein: a stop piece is arranged between the first clamping groove and the second clamping groove.

10. A fuse with a rotary handle as in claim 9, further comprising: the end of the stop piece is provided with a mounting buckle.