CN220943855U - Butt-joint clamp for fuse - Google Patents
Butt-joint clamp for fuse Download PDFInfo
- Publication number
- CN220943855U CN220943855U CN202322321402.9U CN202322321402U CN220943855U CN 220943855 U CN220943855 U CN 220943855U CN 202322321402 U CN202322321402 U CN 202322321402U CN 220943855 U CN220943855 U CN 220943855U
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- China
- Prior art keywords
- fuse
- welding
- butt
- slot
- touch
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- 238000003466 welding Methods 0.000 claims abstract description 77
- 238000003825 pressing Methods 0.000 claims description 58
- 238000009413 insulation Methods 0.000 claims description 22
- 239000003365 glass fiber Substances 0.000 claims description 3
- 239000012212 insulator Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The utility model provides a fuse butt-joint anchor clamps, the fuse is including touching sword and fuse, touch the sword and including being equipped with a touch handle on the lateral surface of a pad, but the both ends welding of fuse is on the medial surface of pad, butt-joint anchor clamps are including hand grip, the welding seat, the hold-down rack, the retaining member, wherein, the welding seat is installed at the both ends of hand grip, be equipped with the slot in the welding seat, touch in the handle inserts the slot, the pad is put on the welding seat, the hold-down rack has an interior pressure plate that can insert in the slot, and interior pressure plate leading flank and touch the handle contact in the slot, the retaining member cooperates in the hold-down rack, the hold-down rack is twisted back and forth after the retaining member moves, compress tightly touch the handle after the preceding removal, make touch the cutter clamp tightly fix a position in the slot. The utility model can protect the surface quality of the contact knife, improve the production efficiency and has the characteristics of simplicity and practicability.
Description
Technical Field
The utility model relates to the field of fuse processing equipment, in particular to a fuse butt-welding clamp.
Background
A fuse (fuse) is an electric appliance that fuses a fusible body by heat generated by itself when a current exceeds a prescribed value, and opens a circuit. The fuse mainly comprises a fusible body, a fusion tube, an additional filler and the like. The traditional low-voltage fuse structure generally comprises a fusible body, a ceramic shell, an arc extinguishing material, an outer cap, a cover plate and a contact knife, wherein the fusible body is arranged in the shell, the fusible body is welded on the contact knife through a welding technology, and the contact knife is fixed on the outer side of the cover plate.
The fusible body is mainly of a long straight sheet structure, and is bent at two ends for welding, so that a plurality of fusible bodies are welded between two contact blades during production and processing, and the two contact blades are required to be fixed during butt welding operation. In the prior art, in order to ensure that the touch knife is firmly held, after the touch knife is put into a clamping assembly of the jig, the touch knife is pressed in a spiral rotation pressing mode, so that the surface of the touch knife is easy to generate an indentation, and the appearance of the touch knife is damaged. In addition, in the butt welding process, current flows between conductors to generate heat, so that the electric conductors are easy to strike fire, and the working efficiency is greatly influenced if no heat dissipation or heat insulation exists. The present case results therefrom.
Disclosure of utility model
The utility model aims to provide a fuse butt-welding clamp which can protect the surface quality of a contact knife, improve the production efficiency and has the characteristics of simplicity and practicability.
In order to achieve the above object, the solution of the present utility model is:
The utility model provides a fuse butt-joint anchor clamps, the fuse is including touching sword and fuse, touch the sword and including being equipped with a touch handle on the lateral surface of a pad, but the both ends welding of fuse is on the medial surface of pad, butt-joint anchor clamps are including hand grip, the welding seat, the hold-down rack, the retaining member, wherein, the welding seat is installed at the both ends of hand grip, be equipped with the slot in the welding seat, touch in the handle inserts the slot, the pad is put on the welding seat, the hold-down rack has an interior pressure plate that can insert in the slot, and interior pressure plate leading flank and touch the handle contact in the slot, the retaining member cooperates in the hold-down rack, the hold-down rack is twisted back and forth after the retaining member moves, compress tightly touch the handle after the preceding removal, make touch the cutter clamp tightly fix a position in the slot.
Further, the locking piece is a butterfly bolt, the butterfly bolt comprises a butterfly nut arranged at the outer end of a bolt part, the bolt part penetrates through the pressing frame and the welding seat from outside to inside, and the inner end of the bolt part is positioned behind the inner pressing plate.
Further, the welding seat comprises a middle connecting plate block connected between the two side plate blocks, the slot is formed by encircling the two side plate blocks and the middle connecting plate block, and a first screw hole through which the bolt part can pass is formed in one side plate block.
Further, the pressing frame is a U-shaped block, the pressing frame comprises an inner pressing plate and an outer pushing plate which are parallel, the inner pressing plate is connected with the outer pushing plate through a connecting plate, and a second screw hole through which a bolt part can pass is formed in the outer pushing plate.
Further, the pressing frame is inserted in one side of the welding seat to form unidirectional horizontal movement, a limiting groove is formed in the welding seat and is located on one side of the slot, the inner length of the limiting groove corresponds to the length of the connecting plate, and the connecting plate is inserted and limited in the limiting groove to move back and forth relative to the touch knife handle.
Further, a heat insulation cushion block is arranged between the welding seat and the hand grip, the heat insulation cushion block is connected to the back of the welding seat, and two ends of the hand grip are sleeved in the heat insulation cushion block.
Further, the back of the welding seat is inwards concave to form a strip-shaped first through groove, the heat-insulating cushion block is inserted into the first through groove to form connection, the back of the heat-insulating cushion block is inwards concave to form a strip-shaped second through groove, the two ends of the handle are provided with connecting parts, and the connecting parts are inserted into the second through groove to form connection.
Further, the heat insulation cushion block is a glass fiber insulator, a notch is formed in the middle of the connecting part, and a through hole is formed in the heat insulation cushion block.
Further, at least one slot hole is respectively arranged in the side plate and the middle connecting plate of the welding seat.
Further, two ends of the fusible body are bent to form pressing strips, and the pressing strips are welded on the bonding pads of the contact knives.
After the structure is adopted, the movable pressing frame is utilized to improve the traditional pressing and knife contacting mode through spiral rotation into a plane pushing and pressing mode, so that the quality of the pressed surface of the knife contacting can be protected, and the appearance is prevented from being damaged; meanwhile, the insulating heat-insulating cushion block and the slotted hole capable of dissipating heat and reducing weight are additionally arranged, so that the labor intensity is reduced, the heat dissipation effect is improved, the production efficiency is improved, and the novel heat-insulating cushion block has the characteristics of simplicity and practicability.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model (with the jig set up);
FIG. 3 is an exploded view of the structure of the present utility model;
Fig. 4 is a top view of the present utility model.
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
Referring to fig. 1 to 4, the utility model discloses a fuse butt-welding clamp, which comprises a contact blade 1, a fusible body 2 and other components, wherein the contact blade 1 comprises a contact blade handle 12 arranged on the outer side surface of a bonding pad 11, and two ends of the fusible body 2 are welded on the inner side surface of the bonding pad 11. The two ends of the fusible body 2 can be bent to form a pressing bar 21, and the pressing bar 21 is welded on the bonding pad 11 of the contact 1. In the welding operation, the butt-welding fixture comprises a holding handle 3, a welding seat 4, a pressing frame 5 and a locking piece 6, wherein the middle part of the holding handle 3 can be held by hands of operators, the welding seat 4 is arranged at two ends of the holding handle 3, a slot 40 is arranged in the welding seat 4, a touch handle 12 can be inserted into the slot 40, and a welding pad 11 is arranged on the welding seat 4 after the touch handle 12 is inserted into the slot 40. Meanwhile, the pressing frame 5 is provided with an inner pressing plate 51 which can be inserted into the slot 40, the front side surface of the inner pressing plate 51 is in contact with the touch handle 12 inserted into the slot 40, the locking piece 6 is matched in the pressing frame 5, the pressing frame 5 moves back and forth after the locking piece is screwed, and the inner pressing plate 51 of the pressing frame 5 presses the touch handle 12 after moving forward, so that the touch handle 1 is clamped and positioned in the slot 40.
Specifically, the locking member 6 may be a butterfly bolt, where the butterfly bolt includes a butterfly nut 62 disposed at an outer end of a bolt portion 61, the bolt portion 61 passes through the pressing frame 5 and the welding seat 4 from outside to inside, and an inner end of the bolt portion 61 is located behind the inner pressing plate 51.
The welding seat 4 may include a middle connecting plate 42 connected between two side plate blocks 41, and the slot 40 may be formed by enclosing two side plate blocks 41 with the middle connecting plate 42, where a first screw hole (not shown in the figure) through which the bolt portion 61 passes is provided on one side plate block 41. The pressing frame 5 may be a U-shaped block, and the pressing frame 5 may include an inner pressing plate 51 and an outer pressing plate 52 which are parallel to each other, wherein the inner pressing plate 51 and the outer pressing plate 52 are connected by a connecting plate 53, the connecting plate 53 is vertically connected to one ends of the inner pressing plate 51 and the outer pressing plate 52, and a second screw hole 521 through which the bolt portion 61 passes is formed in the outer pressing plate 52.
When in installation, the pressing frame 5 is inserted into one side of the welding seat 4 to form unidirectional horizontal movement, so that the pressing frame 5 can only move forwards and backwards and then be locked. A limit groove 43 is arranged in the welding seat 4 and positioned at one side of the slot 40, the limit groove 43 can be arranged on one side plate 41, the inner length of the limit groove 43 corresponds to the length of the connecting plate 53, and the connecting plate 53 is inserted and limited in the limit groove 43 to move back and forth relative to the touch knife handle 12.
Because the electric current flows between the electric conductors (the welding seat 4) in the butt welding process to generate heat, a heat insulation cushion block 7 can be arranged between the welding seat 4 and the hand grip 3, the heat insulation cushion block 7 can be connected to the back of the welding seat 4, and two ends of the hand grip 3 can be sleeved in the heat insulation cushion block 7. The heat insulation cushion block 7 can be made of glass fiber insulator and has heat insulation function. The first through groove 44 can be concavely formed into a strip shape in the back of the welding seat 4, the first through groove 44 is positioned at the back of the slot 40, the first through groove 44 is formed by surrounding the two side plates 41 and the middle connecting plate 42, and the heat insulation cushion block 7 can be inserted into the first through groove 44 to form connection. Meanwhile, the back of the heat insulation cushion block 7 is concavely provided with a strip-shaped second through groove 71, the second through groove 71 is also formed into a chute, the two ends of the handle 3 are provided with connecting parts 31, and the connecting parts 31 can be inserted into the second through groove 71 to form connection. The first through groove 44 and the second through groove 71 can facilitate the assembly of the heat insulation cushion block 7, and the height of the welding seat 4 can be properly adjusted during the installation. In addition, a notch 311 may be formed in the middle of the connecting portion 31, and a through hole 72 may be formed in the heat insulation pad 7, so that heat dissipation may be increased and weight may be reduced. Meanwhile, in the soldering socket 4, at least one slot 411 is formed in the side plate 41, and at least one slot (not shown) is also formed in the middle connecting plate 42, so as to increase the heat dissipation area of the soldering socket.
When the utility model is used in operation, as shown in fig. 1 and 2, the butt-welding clamp can be firstly transversely placed on the operation table surface, the two touch knife handles 12 are respectively inserted into the slots 40, then the butterfly nuts 62 of the butterfly bolts are rotated and screwed, under the inward pushing action of the locking pieces, the internal pressure plate 51 of the pressing frame 5 moves forwards and then presses the touch knife handles 12, so that the touch knife 1 is integrally clamped and positioned in the slots 40. After the contact blades 1 on the two sides are fixed, the butt-welding clamp is erected, the butt-welding clamp is placed on a welding table in a state shown in fig. 2, the fusible body 2 is placed in a welding plate of the contact blades, after the pressing bar 21 at the end part of the fusible body 2 is placed at a corresponding position, the end part (the pressing bar 21) of the fusible body 2 is welded on the welding plate 11 by using a butt-welding needle of the butt-welding equipment, after one end welding is finished, the butt-welding clamp is turned upside down, the other end of the fusible body 2 is welded on the other welding plate 11, and the two ends of the fusible body 2 are welded on the contact blades 1.
After the structure is adopted, the movable pressing frame is utilized to improve the traditional pressing and knife contacting mode through spiral rotation into a plane pushing and pressing mode, so that the quality of the pressed surface of the knife contacting can be protected, and the appearance is prevented from being damaged; meanwhile, the insulating heat-insulating cushion block and the slotted hole capable of dissipating heat and reducing weight are additionally arranged, so that the labor intensity is reduced, the heat dissipation effect is improved, the production efficiency is improved, and the novel heat-insulating cushion block has the characteristics of simplicity and practicability.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (10)
1. The utility model provides a fuse butt-joint anchor clamps, the fuse is including touching sword and can fuse, touches the sword and is equipped with a touch handle of a knife including on the lateral surface of a pad, but the both ends welding of fuse is on the medial surface of pad, its characterized in that: the butt-welding fixture comprises a hand grip, a welding seat, a pressing frame and a locking piece, wherein the welding seat is arranged at the two ends of the hand grip, a slot is formed in the welding seat, a touch handle is inserted into the slot, the welding pad is arranged on the welding seat, the pressing frame is provided with an inner pressing plate which can be inserted into the slot, the front side surface of the inner pressing plate is in contact with the touch handle inserted into the slot, the locking piece is matched in the pressing frame, the pressing frame moves back and forth after the locking piece is screwed, the inner pressing plate presses the touch handle after moving forward, and the touch handle is tightly positioned in the slot.
2. A fuse butt-welding fixture as defined in claim 1, wherein: the locking piece is a butterfly bolt, the butterfly bolt comprises a butterfly nut arranged at the outer end of a bolt part, the bolt part passes through the pressing frame and the welding seat from outside to inside, and the inner end of the bolt part is positioned behind the inner pressing plate.
3. A fuse butt-welding fixture as defined in claim 2, wherein: the welding seat comprises a middle connecting plate block connected between two side plate blocks, the slot is formed by encircling the two side plate blocks and the middle connecting plate block, and a first screw hole through which the bolt part can pass is formed in one side plate block.
4. A fuse butt-welding fixture as defined in claim 2 or 3, wherein: the pressing frame is a U-shaped block, the pressing frame comprises an inner pressing plate and an outer pushing plate which are parallel, the inner pressing plate is connected with the outer pushing plate through a connecting plate, and a second screw hole through which a bolt part can pass is formed in the outer pushing plate.
5. A fuse butt-welding fixture as defined in claim 4, wherein: the pressing frame is inserted in one side of the welding seat to form unidirectional horizontal movement, a limiting groove is formed in the welding seat and is located on one side of the slot, the inner length of the limiting groove corresponds to the length of the connecting plate, and the connecting plate is inserted and limited in the limiting groove to move back and forth relative to the touch knife handle.
6. A fuse butt-welding fixture as defined in claim 1 or 3, wherein: a heat insulation cushion block is arranged between the welding seat and the hand holding handle, the heat insulation cushion block is connected to the back of the welding seat, and two ends of the hand holding handle are sleeved in the heat insulation cushion block.
7. A fuse butt-welding fixture as defined in claim 6, wherein: the back of the welding seat is inwards concave to form a strip-shaped first through groove, the heat insulation cushion block is inserted into the first through groove to form connection, the back of the heat insulation cushion block is inwards concave to form a strip-shaped second through groove, connecting parts are formed at two ends of the handle, and the connecting parts are inserted into the second through groove to form connection.
8. A fuse butt-welding fixture as defined in claim 7, wherein: the heat insulation cushion block is a glass fiber insulator, a notch is formed in the middle of the connecting part, and a through hole is formed in the heat insulation cushion block.
9. A fuse butt-welding fixture as defined in claim 3, wherein: at least one slotted hole is respectively arranged in the side plate and the middle connecting plate of the welding seat.
10. A fuse butt-welding fixture as defined in claim 1, wherein: the two ends of the fusible body are bent to form pressing strips, and the pressing strips are welded on the bonding pads of the contact knife.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322321402.9U CN220943855U (en) | 2023-08-29 | 2023-08-29 | Butt-joint clamp for fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322321402.9U CN220943855U (en) | 2023-08-29 | 2023-08-29 | Butt-joint clamp for fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220943855U true CN220943855U (en) | 2024-05-14 |
Family
ID=91021869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322321402.9U Active CN220943855U (en) | 2023-08-29 | 2023-08-29 | Butt-joint clamp for fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220943855U (en) |
-
2023
- 2023-08-29 CN CN202322321402.9U patent/CN220943855U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |