CN214777012U - Fixing base, heating wire assembly and garbage can - Google Patents
Fixing base, heating wire assembly and garbage can Download PDFInfo
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- CN214777012U CN214777012U CN202022714757.0U CN202022714757U CN214777012U CN 214777012 U CN214777012 U CN 214777012U CN 202022714757 U CN202022714757 U CN 202022714757U CN 214777012 U CN214777012 U CN 214777012U
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- fixing hole
- heating wire
- limiting device
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Abstract
The utility model discloses a fixing seat, a heating wire component and a garbage can, which comprises a fixing seat body, wherein the left side surface of the fixing seat is an inclined plane, and the upper side surface of the fixing seat is a horizontal plane; a first fixing hole is arranged at the inner edge of the right end of the fixing seat, the first fixing hole is a through hole, the aperture of the lower part of the first fixing hole is smaller than that of the upper part of the first fixing hole, and a limiting step is formed in the middle of the first fixing hole; the middle part of the inclined plane is provided with a first open slot which is communicated with the upper side and the lower side; the bottom of the fixing seat is provided with a second open slot, the left side of the second open slot is communicated with the lower side of the first open slot, a pair of first protruding parts are arranged in the left part of the second open slot and formed by inward protruding of the inner walls of the two sides of the second open slot, and a gap is formed between the pair of first protruding parts. The heater strip is fixed in the utility model discloses a during on the fixing base, the heater strip is in extend left under the guide effect of first fluting for the deformation of heater strip is controllable, and guarantees that the heater strip does not deviate from, has improved the life-span of heater strip.
Description
Technical Field
The utility model belongs to the garbage bin field specifically is a fixing base, heater subassembly and garbage bin.
Background
Some current garbage bins are equipped with automatic packing mechanism, adopt the heating wire to carry out melting plastic envelope to the disposal bag. The garbage can is very convenient to use, can prevent the smell of garbage from diffusing, and improves the use experience.
However, the heater wire has certain flexibility and low rigidity, and the rigidity is further reduced particularly in the process of expansion with heat and contraction with cold during the use process. After the molten plastic encapsulation is completed, the partially molten garbage bag material may stick between the heating wire and the high temperature resistant plate. Therefore, the heating wires are easy to be pulled and deformed in the processes of taking out the sealed garbage bag and laying the garbage bag again. After the deformation reaches a certain degree, the heating wire may be partially separated from the working area, so that sealing cannot be realized, and a fire is easily caused by the part of the heating wire separated from the working area. Therefore, the existing heating wire assembly has the defects of short service life and easy potential safety hazard generation.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the first object of the utility model is to provide a fixing base for heater strip fixed mounting guarantees that the heater strip does not deviate from the working face when warping.
The second purpose of the utility model is to provide a heating wire subassembly adopts above-mentioned fixing base to improve the life-span of heating wire subassembly, avoid the potential safety hazard simultaneously.
The utility model discloses a third purpose provides a garbage bin adopts above-mentioned heater subassembly to improve heater subassembly's life-span, reduce maintenance frequency, avoid the potential safety hazard simultaneously.
The utility model provides a technical scheme that its technical problem adopted is:
a fixed seat comprises a fixed seat body, wherein the left side surface of the fixed seat is an inclined surface, and the upper side surface of the fixed seat is a horizontal plane; a first fixing hole is arranged at the inner edge of the right end of the fixing seat, the first fixing hole is a through hole, the aperture of the lower part of the first fixing hole is larger than that of the upper part of the first fixing hole, and a limiting step is formed in the middle of the first fixing hole; the middle part of the inclined plane is provided with a first open slot which is communicated with the upper side and the lower side; the bottom of the fixed seat is provided with a second open slot, the left side of the second open slot is communicated with the lower side of the first open slot, a pair of first protruding parts are arranged in the left part of the second open slot and formed by inward protruding of the inner walls of the two sides of the second open slot, and a gap is formed between the pair of first protruding parts.
Further, the bending angle of the first bending part at the upper side of the left part of the heating wire is an obtuse angle.
Furthermore, a plurality of second fixing holes which are communicated from front to back are formed in the middle of the fixing seat.
Furthermore, one side of the second fixing hole is provided with a positioning step structure.
Furthermore, a groove is further formed in the fixing seat and located on one side of the second fixing holes.
Furthermore, the surface of the upper side surface of the fixed seat is also provided with a Teflon coating.
Furthermore, the fixing seat is provided with a threading opening on the front side wall of the second slot.
Furthermore, the front outer side surface and the rear outer side surface of the left part of the fixing seat are inclined surfaces or curved surfaces which are folded towards the middle part of the left end of the fixing seat.
A heating wire subassembly, includes above-mentioned fixing base and heater strip, wherein:
a first limiting device is arranged in the lower part of the first fixing hole of the fixing seat; a second limiting device is arranged on the inner side of the first protruding part of the fixed seat;
the right end of the heating wire bends downwards and extends, penetrates into the first fixing hole and is fixed with the first limiting device; the outer diameter of the first limiting device is larger than the inner diameter of the upper part of the first fixing hole, and the first limiting device is abutted against the lower side of a limiting step in the middle of the first fixing hole to limit the right end of the heating wire;
the left end of the heating wire bends and extends towards the left lower side along the first open groove, further extends rightwards to penetrate into the second open groove and is fixed with the second limiting device; the outer diameter of the second limiting device is larger than the gap between the pair of first bulges, and the second limiting device is pressed against the inner sides of the first bulges to limit the left end of the heating wire.
According to a preferred embodiment, the first limiting device and the second limiting device are cold-pressed terminals, and the ends of the heating wire are connected with wires and fixed together through the cold-pressed terminals.
Furthermore, a pair of second protruding parts are arranged in the middle of the second groove of the fixing seat and formed by inward protruding of the inner walls of the two sides of the second groove, and a gap is formed between the pair of second protruding parts.
A garbage can comprises an automatic packing mechanism, wherein the automatic packing mechanism is provided with the heating wire assembly.
The utility model has the advantages that:
1. when the heating wire is fixed on the fixing seat, the end parts of two sides of the heating wire are limited and fixed by means of the first fixing piece and the second fixing piece, the first fixing piece is propped against the lower side of the limiting step at the middle part of the first fixing hole, and the second limiting device is propped against the inner side of the first protruding part to apply certain pretightening force to two ends of the heating wire. When the heating wire is expanded and stretched thermally, the heating wire is stretched leftwards under the guiding action of the first slot, so that the deformation of the heating wire is controllable, and the heating wire cannot be influenced by external force and is easy to separate from a working surface; and the first fluting sets up in the slope, makes the first department of bending of the left part upside of heater strip the angle of bending be the obtuse angle, has reduced the influence of the stress at this department of bending to the heater strip, is favorable to improving the life-span of heater strip.
2. One side of the second fixing hole of the fixing seat is provided with a positioning step structure, a threading opening and other structures, so that the assembly difficulty is reduced. The left end of the heating wire is abutted against the first protruding part by means of a second limiting device to limit, and the assembly is simplified.
3. The surface of the upper side surface of the fixing seat is also provided with a Teflon coating layer, so that molten plastic generated when the garbage bag is sealed can be prevented from being adhered to the fixing seat.
4. A pair of second protruding parts is arranged in the second open slot, so that a lead embedded in the second open slot can be clamped, and the lead is prevented from falling off.
Drawings
Fig. 1 is a schematic axial view of a fixing base according to an embodiment.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a bottom view of fig. 1.
Fig. 4 is a sectional view of the heater assembly of the embodiment.
Description of the figure numbers:
10. the fixing seat comprises a fixing seat, 100 grooves, 101, the front side face and the rear side face of the left part of the fixing seat, 11, the left side face of the fixing seat, 12, the upper side face of the fixing seat, 13, a first fixing hole, 130, a limiting step, 14, a first groove, 15, a second groove, 16, a second fixing hole, 160, a positioning step structure, 17, a threading opening, 18, a first protruding part and 19, wherein the fixing seat is provided with a first fixing hole and a second fixing hole.
20. Heating wire, 21, first limiting device, 22, second limiting device.
30. And (4) conducting wires.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Example 1
As shown in fig. 1 and 2, the fixing base of the present embodiment includes a fixing base 10 body. The left side surface 11 of the fixed seat 10 is an inclined surface; the upper side 12 of the fixing base 10 is a horizontal plane and serves as a working surface. A first fixing hole 13 is formed in the inner edge of the right end of the fixing seat 10, the first fixing hole 13 is a through hole, the upper aperture of the first fixing hole is smaller, the lower aperture of the first fixing hole is larger, and a limiting step 130 is formed in the middle of the first fixing hole; a first open slot 14 is formed in the middle of the inclined plane 11, and the upper side and the lower side of the first open slot 14 are communicated; the bottom of the fixed seat 10 is provided with a second slot 15, and the left side of the second slot 15 is communicated with the first slot 14; a pair of first protruding parts 18 are arranged in the left part of the second slot 15, the first protruding parts are formed by inward protruding of the inner walls of the two sides of the second slot 15, and a gap is formed between the pair of first protruding parts 18.
Fig. 4 shows a heater wire assembly using the fixing base of the present embodiment, and as shown in the figure, the middle of the heater wire 20 is a working segment, and is straightly placed at the middle of the upper side of the fixing base 10.
The right end of the heating wire 20 is bent downwards and extends to penetrate into the first fixing hole 13, a wire 30 penetrates into the first fixing hole 13 from the lower portion, the right end of the heating wire 20 is connected with the wire 30, and the wire is fixed through a limiting device 21, such as a cold-pressed terminal.
The left end of the heating wire 20 is bent and extended along the first slot 14 to the left and downward, and further bent and extended rightward to penetrate into the second slot 15 and connected to another wire 30.
Because the inner diameter of the lower part of the first fixing hole 13 is larger, the first limiting device 21 with larger outer diameter can be accommodated, when the first limiting device 21 is used for fixing the heating wire 20 and the lead 30 together, the first limiting device 21 is propped against the lower side of the limiting step 130 in the middle of the first fixing hole 13, so that the right end of the heating wire 20 is limited, and the heating wire 20 is prevented from being separated; the left side of the heating wire 20 is limited by a second limiting device 22.
When the heating wire 20 is operated, thermal expansion occurs. It is easy to understand that the radial deformation of the heating wire 20 has little influence, and the most important deformation direction affecting the heating wire 20 is the axial direction, which macroscopically shows the elongation of the length, especially in the heating wire assembly of the prior art, the two ends of the heating wire 20 are fixed, so that the heating wire 20 cannot keep a straight state after being deformed. Compared with the prior art, in the fixing base 10 of the utility model, the heater strip 20 is in under the guiding action of first fluting 14, and with the help of the pretension limiting action thermal expansion extension of first fixed orifices, first bulge guarantees that the heater strip 20 does not deviate from the working face.
Preferably, the bending angle of the first bending part at the upper side of the left part of the heating wire 20 is an obtuse angle (see α in fig. 4). The influence of the stress at the bending position on the heater strip 20 is reduced, which is beneficial to prolonging the service life of the heater strip 20.
Further, a plurality of second fixing holes 16 are formed in the middle of the fixing base 10, and the number of the second fixing holes 16 is two in this embodiment, and the fixing base 10 is fixed on the trash can by the second fixing holes 16 and a fixing member (not shown), such as a bolt.
Further, the aperture of one side of the second fixing hole 16 is larger than that of the other side, thereby forming a positioning step structure 160. By means of the positioning step structure 160, the fixing seat 10 can be assembled on the trash can more conveniently and quickly.
Preferably, the fixing seat 10 is made of ceramic, and has the advantages of high temperature resistance and insulation. The surface of the upper side 12 of the fixing base 10 is further provided with a teflon coating (not shown in the figures), which prevents other materials, such as molten plastic generated during sealing of the garbage bag, from adhering to the fixing base 10.
As shown in fig. 3, the fixing base 10 is further provided with a threading opening 17 on the front side wall of the second slot 15 to facilitate the lateral access of the lead 30.
Further, the fixing base 10 is further provided with a groove 100, and the groove 100 is located at the front side or the rear side of the second fixing holes 160. When the fixing base 10 is assembled to the trash can, a fixing member, such as a bolt, is inserted into the second fixing hole and the corresponding screw hole of the trash can to fix the fixing member, and the head of the bolt can be accommodated in the groove 100 to prevent the fixing member from protruding out of the fixing base 10.
Still further, the front and rear side surfaces 101 of the left portion of the fixing seat 10 are inclined surfaces or curved surfaces which are folded towards the middle of the left end of the fixing seat 10, and are used as guide surfaces for guiding other mechanisms on the trash can to pass through the side surfaces of the left end of the fixing seat 10.
Example 2
As shown in fig. 4, the heating wire assembly of the present embodiment includes the holder 10 and the heating wire 20 of embodiment 1, wherein:
a first limiting device 21 is arranged in the lower part of the first fixing hole 13 of the fixing seat 10, and a second limiting device 22 is arranged on the inner side of the first protruding part 18 of the fixing seat 10;
the right end of the heating wire 20 is bent downwards, penetrates into the first fixing hole 13 and is fixed with the limiting device 21; the outer diameter of the first limiting device 21 is larger than the inner diameter of the upper part of the first fixing hole 13, and the first limiting device 21 is pressed against the lower side of the limiting step 130 in the middle of the first fixing hole 13 to limit the right end of the heating wire;
the left end of the heating wire 20 bends and extends along the first slot 14 towards the left lower part, and further turns right to extend into the second slot 15, and is fixed with the second limiting device 22; the outer diameter of the second limiting device 22 is larger than the gap between the pair of first protruding parts 18, and the second limiting device 22 is pressed against the inner sides of the first protruding parts 18 to limit the left end of the heating wire 20.
In the heating wire assembly of this embodiment, the first and second limiting devices 21 and 22 limit the left and right ends of the heating wire 20, and the heating wire 20 is in a tensioned state, so that the heating wire 20 can be effectively prevented from being disengaged from the working surface after being extended. It is easy to understand that the first and second limiting devices 21 and 22 are used for limiting the right end of the heating wire 20, and the specific structure thereof is not limited. The left end and the right end of the heating wire 20 are electrically connected with the lead 30, the heating wire generates heat in a power-on state, for convenience of connection, the first limiting device 21 and the second limiting device 22 are preferably cold-pressed terminals, the end part of the heating wire 20 is connected with the lead 30, and the connection part is fixed together through the cold-pressed terminals. In addition, the left part of the heating wire 20 is bent at two positions, the bending angle of the first position at the left upper side of the heating wire is an obtuse angle, so that the assembly is convenient, and meanwhile, when the heating wire 20 deforms and stretches, the stress at the position is dispersed, the influence of metal fatigue is reduced, and the service life of the heating wire 20 is prolonged.
Further, a pair of second protruding portions 19 is disposed in the middle of the second slot 15 of the fixing base 10, and is formed by inward protruding of the inner walls of the two sides of the second slot 15, and a gap is disposed between the pair of second protruding portions 19, so that the wire 30 is clamped between the pair of second protruding portions 19, and thus the wire 30 can be embedded in the second slot 15 at the bottom of the fixing base 10, and the wire 30 is prevented from being pulled out.
Example 3
The automatic packing mechanism of garbage bin of this embodiment includes the heater subassembly of above-mentioned embodiment 2, and wherein, other subassemblies of automatic packing mechanism, garbage bin body all adopt prior art can realize, and this is no longer repeated here.
The above embodiments describe the structure of the fixing base and the heating wire assembly in detail, but should not be considered as limiting the present invention. It will be readily understood that modifications, substitutions and further improvements may be made by those skilled in the art based on the teachings of the present invention, but any modifications or equivalents will fall within the scope of the claims of the present invention.
Claims (13)
1. A fixed seat is characterized by comprising a fixed seat body, wherein the left side surface of the fixed seat is an inclined surface, and the upper side surface of the fixed seat is a horizontal surface; a first fixing hole is arranged at the inner edge of the right end of the fixing seat, the first fixing hole is a through hole, the aperture of the lower part of the first fixing hole is larger than that of the upper part of the first fixing hole, and a limiting step is formed in the middle of the first fixing hole; the middle part of the inclined plane is provided with a first open slot which is communicated with the upper side and the lower side; the bottom of the fixed seat is provided with a second open slot, the left side of the second open slot is communicated with the lower side of the first open slot, a pair of first protruding parts are arranged in the left part of the second open slot and formed by inward protruding of the inner walls of the two sides of the second open slot, and a gap is formed between the pair of first protruding parts.
2. The fixing base of claim 1, wherein the middle of the fixing base is further provided with a plurality of second fixing holes penetrating from front to back.
3. The fixing base of claim 2, wherein one side of the second fixing hole is provided with a positioning step structure.
4. The anchor block of claim 2, further comprising a recess formed in the anchor block, the recess being located on one side of the second plurality of fastening holes.
5. The permanent seat according to claim 1, wherein the surface of the upper side of the permanent seat is provided with a teflon coating.
6. The holder of claim 1, wherein the holder has a threaded opening in a side wall of the second slot.
7. The permanent seat according to claim 1, wherein the front and rear outer side surfaces of the left portion of the permanent seat are inclined surfaces or curved surfaces converging toward the middle of the left end of the permanent seat.
8. A heater assembly, comprising a heater wire and the holder of any one of claims 1 to 7, wherein:
a first limiting device is arranged in the lower part of the first fixing hole of the fixing seat; a second limiting device is arranged on the inner side of the first protruding part of the fixed seat;
the right end of the heating wire bends downwards and extends, penetrates into the first fixing hole and is fixed with the first limiting device; the outer diameter of the first limiting device is larger than the inner diameter of the upper part of the first fixing hole, and the first limiting device is abutted against the lower side of a limiting step in the middle of the first fixing hole to limit the right end of the heating wire;
the left end of the heating wire bends and extends towards the left lower side along the first open groove, further extends rightwards to penetrate into the second open groove and is fixed with the second limiting device; the outer diameter of the second limiting device is larger than the interval between the pair of first protruding parts, and the second limiting device abuts against the inner sides of the first protruding parts to limit the left end of the heating wire.
9. A heater assembly as set forth in claim 8, wherein said first and second limiting means are cold-pressed terminals by which ends of said heater wire are connected and secured to wires.
10. A heating wire assembly as set forth in claim 8, wherein a pair of second protrusions are formed in the middle of the second slot of the fixing base, and are formed by inward protrusions formed on both side inner walls of the second slot, and a gap is formed between the pair of second protrusions.
11. A heater assembly according to claim 8, wherein the first bend at the upper side of the left portion of the heater wire is at an obtuse angle.
12. A trash can comprising an automatic packing mechanism, wherein the automatic packing mechanism is provided with the heater assembly of claim 8.
13. A trash can comprising an automatic packing mechanism, characterized in that the automatic packing mechanism is provided with the heater assembly of claim 9 or 10 or 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714757.0U CN214777012U (en) | 2020-11-20 | 2020-11-20 | Fixing base, heating wire assembly and garbage can |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022714757.0U CN214777012U (en) | 2020-11-20 | 2020-11-20 | Fixing base, heating wire assembly and garbage can |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214777012U true CN214777012U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022714757.0U Active CN214777012U (en) | 2020-11-20 | 2020-11-20 | Fixing base, heating wire assembly and garbage can |
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| Country | Link |
|---|---|
| CN (1) | CN214777012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906509A (en) * | 2022-06-08 | 2022-08-16 | 合肥美的智能科技有限公司 | Thermoplastic sealing device and method for garbage bag, intelligent garbage can and controller |
-
2020
- 2020-11-20 CN CN202022714757.0U patent/CN214777012U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114906509A (en) * | 2022-06-08 | 2022-08-16 | 合肥美的智能科技有限公司 | Thermoplastic sealing device and method for garbage bag, intelligent garbage can and controller |
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Denomination of utility model: A fixed seat, heating wire component, and garbage bin Effective date of registration: 20230720 Granted publication date: 20211119 Pledgee: CHUZHOU DONLIM ELECTRICAL APPLIANCE Co.,Ltd. Pledgor: SHANGHAI TOWNEW INTELLIGENT TECHNOLOGY Co.,Ltd. Registration number: Y2023990000367 |