CN218447789U

CN218447789U - But rapid Assembly's thermal fuse

Info

Publication number: CN218447789U
Application number: CN202222341714.1U
Authority: CN
Inventors: 熊威中
Original assignee: Foshan Renxing Electric Co ltd
Current assignee: Foshan Renxing Electric Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2023-02-03
Anticipated expiration: 2032-09-05

Abstract

The utility model discloses a thermal fuse capable of being assembled quickly, which comprises an installation seat and a protective shell, wherein the protective shell is arranged at the top end of the installation seat, and a first bidirectional screw rod which is driven to rotate by a turntable is arranged in the installation seat; the utility model discloses a rotate knob drive second bidirectional screw and rotate, make the screw thread piece area backup pad and splint of second bidirectional screw both sides remove to the fuse tube direction and utilize two sets of assembly clamp splice to assemble the centre gripping to the fuse tube, can accomplish the assembly work of fuse tube, make this thermal fuse assemble the dismantlement to the fuse tube fast, thereby it is convenient to bring for the change work in later stage, high durability and convenient use, rotate through rotating the first bidirectional screw of carousel drive, make the supporting shoe area support frame of first bidirectional screw both sides remove, and remove suitable position with two sets of support frames according to the length specification of fuse tube and be used for the thermal fuse tube assembly, thereby make this thermal fuse be convenient for adjust, can assemble the fuse tube of different length specifications, the practicality is higher.

Description

But rapid Assembly's thermal fuse

Technical Field

The utility model relates to a thermal fuse technical field especially relates to a but rapid Assembly's thermal fuse.

Background

The thermal fuse (fuse) is an electric appliance which fuses a melt by using heat generated by the thermal fuse when current exceeds a specified value and breaks a circuit, is widely applied to high and low voltage distribution systems, control systems and electric equipment, is used as a short circuit and overcurrent protector, is one of the most commonly applied protective devices, has a simple structure, is convenient to use, and mainly comprises a melt, a shell and a support 3, wherein the melt is a key element for controlling fusing characteristics, and the fusing characteristics of the thermal fuse are determined by the material, the size and the shape of the melt.

The current thermal fuse is mostly single in structure, and the assembly step is comparatively loaded down with trivial details, can not carry out quick assembly dismantlement, leads to being not convenient for carry out convenient change after the fuse tube of thermal fuse melts, uses inconveniently, and current thermal fuse generally is fixed structure, and the regulation of being not convenient for can not assemble the fuse tube of different length specifications, and the practicality is not high, consequently, the utility model provides a but rapid Assembly's thermal fuse is used for solving the problem that exists among the prior art.

Disclosure of Invention

To the above problem, an object of the utility model is to provide a but rapid Assembly's thermal fuse, solve current thermal fuse and can not carry out quick assembly and dismantle and can not assemble the problem to the fusion tube of different length.

In order to realize the utility model discloses a purpose, the utility model discloses a following technical scheme realizes: the utility model provides a but fast assembly's thermal fuse, includes mount pad and protective housing, the protective housing is installed in the mount pad top, the inside first bidirectional screw rod that is rotatory through the carousel drive that is equipped with of mount pad, the equal screw thread in first bidirectional screw rod both sides has cup jointed supporting shoe and threaded connection opposite direction, the supporting shoe top slides and runs through the mount pad and be fixed with the support frame, the inside second bidirectional screw rod that is rotatory through the knob drive that is equipped with of support frame, the equal screw thread in second bidirectional screw rod both sides has cup jointed the screw thread piece, the screw thread piece top is fixed with the bracing piece that slides and runs through the support frame, the bracing piece top is fixed with splint, one side that the support frame inside wall was kept away from to splint is connected with curved assembly clamp splice, and is two sets of the fuse is installed to the centre gripping between the assembly clamp splice, the pin hole has all been seted up to the protective housing both sides.

The further improvement lies in that: the splint are close to one side symmetry of assembly clamp splice and are fixed with the sleeve pipe, the intraductal telescopic link that slides of cover, the telescopic link is close to the one end of assembly clamp splice slide run through to the sleeve pipe outside and with assembly clamp splice fixed connection, the telescopic link is kept away from the one end of assembly clamp splice and is passed through spacing spring and sleeve pipe inner wall connection.

The further improvement lies in that: the protective housing top is equipped with transparent observation window, the ventilation groove has been seted up to the mount pad bottom, the ventilation groove is located the supporting shoe below.

The further improvement lies in that: slots have all been seted up to both sides around the mount pad top, it has run through spring bolt to slide in the slot, the lower part of inner wall all is fixed with the picture peg with the slot adaptation around the protective housing, set up the jack with the spring bolt adaptation on the picture peg.

The further improvement lies in that: the left and right sides of protective housing bottom all the symmetry be fixed with spacing guide post, the left and right sides on mount pad top all is fixed with the spacing guiding hole with spacing guide post adaptation.

The further improvement is that: the support frame top symmetry is fixed with the stopper that extends to the mount pad inside, the spout has been seted up to the stopper bottom, the inside bottom symmetry of mount pad is fixed with the spacing slide rail that matches with stopper bottom spout.

The beneficial effects of the utility model are that: the utility model discloses a mount pad and protective housing, rotate through rotating knob drive second bidirectional screw, make the screw thread piece area backup pad and splint of second bidirectional screw both sides remove to the fuse-tube direction and utilize two sets of assembly clamp splice to assemble the centre gripping to the fuse-tube, can accomplish the assembly work of fuse-tube, make this thermal fuse assemble the dismantlement fast to the fuse-tube, thereby it is convenient to bring for the change work in later stage, high durability and convenient use, rotate through rotating the first bidirectional screw of carousel drive, make the supporting shoe area support frame of first bidirectional screw both sides remove, and remove two sets of support frames to the suitable position according to the length specification of fuse-tube and be used for the assembly of thermal fuse-tube, thereby make this thermal fuse be convenient for adjust, can assemble the fuse-tube of different length specifications, the practicality is higher.

Drawings

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

fig. 2 is a front view of the present invention;

fig. 3 is a front sectional view of the present invention;

fig. 4 is a side sectional view of the present invention;

FIG. 5 is an enlarged view of the point A of the present invention;

fig. 6 is a cross-sectional view of the sleeve of the present invention.

Wherein: 1. a mounting seat; 2. a protective shell; 3. a first bidirectional screw; 4. a supporting block; 5. a support frame; 6. a second bidirectional screw rod; 7. a thread block; 8. a support bar; 9. a splint; 10. assembling the clamping blocks; 11. a fusion tube; 12. a wire hole; 13. a sleeve; 14. a telescopic rod; 15. a transparent viewing window; 16. a ventilation slot; 17. a slot; 18. a spring bolt; 19. inserting plates; 20. a jack; 21. limiting the guide post; 22. limiting a guide hole; 23. a limiting block; 24. and limiting sliding rails.

Detailed Description

In order to deepen the understanding of the present invention, the following embodiments will be combined to make the present invention do further details, and the present embodiment is only used for explaining the present invention, and does not constitute the limitation of the protection scope of the present invention.

According to the drawings of fig. 1, fig. 2, fig. 3 and fig. 4, the embodiment provides a thermal fuse capable of being assembled quickly, which includes an installation base 1 and a protection case 2 detachably installed on the top end of the installation base 1, a first bidirectional screw rod 3 is installed inside the installation base 1, one end of the first bidirectional screw rod 3 penetrates through the installation base 1 through a bearing and is fixed with a rotary table, the first bidirectional screw rod 3 is driven to rotate through the rotary table, both sides of the first bidirectional screw rod 3 are sleeved with supporting blocks 4 penetrating through the installation base 1 in a threaded manner, and the threaded connection directions are opposite, the top end of the installation base 1 is provided with a through groove for the supporting blocks 4 to penetrate through in a sliding manner, the top end of the supporting blocks 4 is fixed with concave-shaped supporting frames 5, second bidirectional screw rods 6 are installed inside the supporting frames 5, one end of the second bidirectional screw rods 6 penetrates through the bearing and is fixed with a knob, the second bidirectional screw rods 6 are driven to rotate through the knob, the two sides of the second bidirectional screw 6 are respectively in threaded sleeve joint with a threaded block 7 in opposite threaded connection directions, a support rod 8 is fixed at the top end of the threaded block 7, the top end of the support rod 8 slidably penetrates through the support frame 5 and is fixed with a clamp plate 9, a through groove for the support rod 8 to slidably penetrate through is formed in the bottom end of the inner side of the support frame 5, one side, away from the inner side wall of the support frame 5, of the clamp plate 9 is connected with an assembly clamp block 10, the assembly clamp block 10 is in an arc-shaped design, a fusion tube 11 is clamped and installed between the two sets of assembly clamp blocks 10, lead holes 12 for leading wires at the two ends of the fusion tube 11 to penetrate through are formed in the two sides of the protective shell 2, the second bidirectional screw 6 is driven to rotate by rotating a knob, the threaded blocks 7 at the two sides of the second bidirectional screw 6 drive the support plate 8 and the clamp plate 9 to move towards the fusion tube 11 and utilize the two sets of assembly clamp blocks 10 to assemble and clamp the fusion tube 11, and clamp the assembly work of the fusion tube 11 can be completed, the fuse tube 11 can be assembled and disassembled quickly by the thermal fuse, the first bidirectional screw rod 3 is driven to rotate by rotating the rotary table, the supporting blocks 4 on two sides of the first bidirectional screw rod 3 drive the supporting frames 5 to move, and the two groups of supporting frames 5 are moved to proper positions according to the length specification of the fuse tube 11 and are used for assembling the fuse tube 11 of the thermal fuse, so that the thermal fuse is convenient to adjust.

One side that splint 9 is close to assembly clamp splice 10 is fixed with sleeve pipe 13, sleeve pipe 13 is equipped with two sets ofly and is upper and lower symmetric distribution, sleeve pipe 13 is inside to slide and is equipped with telescopic link 14, telescopic link 14 slides near the one end of assembly clamp splice 10 and runs through to sleeve pipe 13 outside, telescopic link 14 is close to the one end and the assembly clamp splice 10 fixed connection of assembly clamp splice 10, telescopic link 14 keeps away from the one end of assembly clamp splice 10 and passes through spacing spring and the interior wall connection of sleeve pipe 13, provide elasticity for telescopic link 14 through spacing spring, thereby play certain cushioning effect between splint 9 and assembly clamp splice 10, avoid assembly clamp splice 10 to the 11 centre grippings of fusion tube tension.

The top end of the protective shell 2 is provided with a transparent observation window 15 for observing the internal condition of the protective shell 2, the bottom end of the mounting base 1 is provided with a ventilation groove 16 positioned below the supporting block 4, and a certain ventilation and heat dissipation function is provided for the thermal fuse through the ventilation groove 16.

The central point of both sides puts and has all seted up slot 17 around the 1 top of mount pad, it has spring bolt 18 to slide to run through in slot 17, the one end that spring bolt 18 is located slot 17 outside is connected with the pull ring, spring bolt 18 realizes kick-backing through the linear spring that its outside cover was established, the lower part of inner wall all is fixed with the picture peg 19 with the slot 17 adaptation around the protective housing 2, set up the jack 20 with 18 adaptations of spring bolt on the picture peg 19, make spring bolt 18 break away from jack 20 through pulling out spring bolt 18, can accomplish the quick dismantlement of protective housing 2.

The left and right sides in 2 bottoms of protective housing all is fixed with spacing guide post 21, and symmetrical distribution around spacing guide post 21 all is in 2 bottoms both sides of protective housing, and the left and right sides on 1 top of mount pad all is fixed with the spacing guiding hole 22 with spacing guide post 21 adaptation, and the cooperation through spacing guide post 21 and spacing guiding hole 22 is convenient for the accurate installation of protective housing to 1 top of mount pad.

5 top symmetries of support frame are fixed with and extend to 1 inside stopper 23 of mount pad, and the spout has been seted up to stopper 23 bottom, and 1 inside bottom symmetries of mount pad are fixed with the spacing slide rail 24 that matches with stopper 23 bottom spout, play limiting displacement to stopper 23 through spacing slide rail 24, make support frame 5 remove the in-process more stable.

When the fuse tube 11 of the thermal fuse needs to be assembled, the rotating disc is rotated to drive the first bidirectional screw rod 3 to rotate, the support blocks 4 on the two sides of the first bidirectional screw rod 3 drive the support frames 5 to move, two groups of support frames 5 are moved to proper positions according to the length specification of the fuse tube 11, then the fuse tube 11 is horizontally placed on the inner side of the support frames 5, the knob is rotated to drive the second bidirectional screw rod 6 to rotate, the thread blocks 7 on the two sides of the second bidirectional screw rod 6 drive the support plates 8 and the clamping plates 9 to move towards the direction of the fuse tube 11, the two groups of assembling clamping blocks 10 are used for assembling and clamping the fuse tube 11, then the lead wires are connected at the two ends of the fuse tube 11, finally the protective shell 2 is installed on the installation seat 1, the assembling work of the fuse tube 11 is completed, when the fuse tube 11 needs to be disassembled, the protective shell 2 is taken down, then the knob is rotated reversely to drive the second bidirectional screw rod 6 to rotate reversely, and then the fuse tube 11 can be disassembled.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A quickly assemblable thermal fuse, comprising: including mount pad (1) and protective housing (2), install on mount pad (1) top protective housing (2), mount pad (1) inside is equipped with through the rotatory first bidirectional screw pole (3) of carousel drive, supporting shoe (4) have been cup jointed to first bidirectional screw pole (3) both sides equal screw thread, supporting shoe (4) top slides and runs through mount pad (1) and is fixed with support frame (5), support frame (5) inside is equipped with through knob drive rotatory second bidirectional screw pole (6), the equal screw thread in second bidirectional screw pole (6) both sides has cup jointed thread block (7), thread block (7) top is fixed with the bracing piece (8) that slide and run through support frame (5), bracing piece (8) top is fixed with splint (9), one side that support frame (5) inside wall was kept away from in splint (9) is connected with curved assembly clamp splice (10), and is two sets up between assembly clamp (10) centre gripping installs fusion tube (11), lead hole (12) have all been seted up to protective housing (2) both sides.

2. A quick-fit thermal fuse according to claim 1, wherein: splint (9) are close to one side symmetry of assembly clamp splice (10) and are fixed with sleeve pipe (13), sleeve pipe (13) inside is slided and is equipped with telescopic link (14), telescopic link (14) are close to the one end of assembly clamp splice (10) and slide and run through to sleeve pipe (13) outside and with assembly clamp splice (10) fixed connection, the one end of keeping away from assembly clamp splice (10) telescopic link (14) is through spacing spring and sleeve pipe (13) inner wall connection.

3. A quick-fit thermal fuse according to claim 1, wherein: the protective housing (2) top is equipped with transparent observation window (15), ventilation groove (16) have been seted up to mount pad (1) bottom, ventilation groove (16) are located supporting shoe (4) below.

4. A quick-fit thermal fuse according to claim 1, wherein: slot (17) have all been seted up to both sides around mount pad (1) top, it has spring bolt (18) to slide to run through in slot (17), the lower part of inner wall all is fixed with picture peg (19) with slot (17) adaptation around protective housing (2), set up jack (20) with spring bolt (18) adaptation on picture peg (19).

5. A quick-fit thermal fuse according to claim 1, wherein: the left and right sides in protective housing (2) bottom all the symmetry be fixed with spacing guide post (21), the left and right sides on mount pad (1) top all is fixed with spacing guiding hole (22) with spacing guide post (21) adaptation.

6. A quick-fit thermal fuse according to claim 1, wherein: support frame (5) top symmetry is fixed with stopper (23) that extend to mount pad (1) inside, the spout has been seted up to stopper (23) bottom, the inside bottom symmetry of mount pad (1) is fixed with spacing slide rail (24) that match with stopper (23) bottom spout.