CN212209376U - Thermal insulation board for plastic shell type circuit breaker - Google Patents
Thermal insulation board for plastic shell type circuit breaker Download PDFInfo
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- CN212209376U CN212209376U CN202020883532.5U CN202020883532U CN212209376U CN 212209376 U CN212209376 U CN 212209376U CN 202020883532 U CN202020883532 U CN 202020883532U CN 212209376 U CN212209376 U CN 212209376U
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- circuit breaker
- insulation panel
- base plate
- breaker according
- mold cased
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Abstract
The utility model discloses a heat insulating board for moulding shell type circuit breaker, which comprises a substrate, base plate one side is provided with the first connecting elements who is connected the location with the cooperation of circuit breaker lateral part, base plate one side still is provided with a plurality of archs. Adopt the utility model discloses can prevent to lead to the scald because of circuit breaker lateral wall high temperature.
Description
Technical Field
The utility model relates to a heat insulating board for moulding shell type circuit breaker.
Background
Along with the development of science and technology, mould shell type circuit breaker volume littleer and more, each item performance of circuit breaker can promote, nevertheless still face very big challenge on this one side of temperature rise, especially the lateral wall temperature rise of circuit breaker, because the circuit breaker volume reduces, the heat is difficult release more, even if under connecting terminal all qualified circumstances, the lateral wall temperature rise still remains high, the risk of scalding by the too high temperature rise of lateral wall can take place at the in-process of using like this. Most of the existing plastic shell type circuit breaker products can be provided with internal accessories, the internal accessories transmit signals of the circuit breaker to a client through a lead or a terminal, and a client can touch a high-temperature position of the side wall of the circuit breaker when the lead or the terminal is arranged, so that scalding accidents are easily caused.
The structure of a traditional plastic shell type circuit breaker is shown in fig. 1-2, and generally includes a base 11 and a cover plate 12 installed on the base 11, where a notch 10 is provided at a side portion of the base 11, dovetail grooves 112 are symmetrically provided at inner edges of two sides of the notch 10, guide grooves 111 are symmetrically provided at two sides of the notch 10 on the base 11, and the notch 10, the dovetail groove 112, and the guide grooves 111 are used for being matched and connected with accessories such as external terminals, and an insertion hole is provided at one side of the guide grooves 111, the notch 10, and the dovetail grooves 112 facing the cover plate 12, and the accessories can be limited by the cover plate 12 after being installed through the guide grooves 111, the notch 10, and the dovetail grooves 112, so as to prevent the accessories from coming out of the grooves, and a threading hole for an internal accessory lead to extend is usually left between.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a can install the heat insulating board at the mould shell type circuit breaker lateral part, can prevent to lead to the scald because of circuit breaker lateral wall high temperature.
In order to achieve the above object, the utility model provides a heat insulating board for moulding shell type circuit breaker, which comprises a substrate, base plate one side is provided with the first connecting elements who is connected the location with the cooperation of circuit breaker lateral part, base plate one side still is provided with a plurality of archs.
The utility model has the advantages that: the base plate can be connected the location through the first connecting elements that its one side set up with the circuit breaker lateral part, makes the base plate be difficult to drop from the circuit breaker lateral part, and a plurality of archs that base plate one side set up are used for contacting with the circuit breaker lateral part cooperation and support, make base plate and circuit breaker lateral part keep certain clearance, reduce the heat conduction effect between base plate and the circuit breaker lateral part, the utility model discloses can be isolated with the touch region (heat insulating board) when customer uses the circuit breaker at ordinary times and product high temperature region (circuit breaker lateral part) effectively.
Furthermore, the first connecting component comprises a boss which is used for being matched, inserted and positioned with the opening on the side part of the circuit breaker, and first inserting parts which are matched, inserted and positioned with dovetail grooves on the inner edges of the two sides of the opening are arranged on the two sides of the boss.
The effect that above-mentioned setting brought is: the structure of the boss and the first inserting portion can be conveniently connected with the opening and the dovetail groove which originally exist on the side portion of the circuit breaker and are used for being connected with accessories such as an externally-provided terminal in a matched mode, the structure of the traditional circuit breaker does not need to be changed, and therefore cost is reduced, and assembly is convenient.
Furthermore, the boss comprises two convex blocks arranged at intervals, and the first inserting parts on two sides of the boss are respectively arranged on the two convex blocks.
The effect that above-mentioned setting brought is: the clearance that the interval formed between two lugs can save materials on the one hand, reduce cost, and on the other hand can provide certain deformation effect, makes the boss be difficult to the fracture when the assembly, improves the stability of connecting.
Furthermore, a through hole for leading wires of accessories in the circuit breaker to penetrate is formed in the substrate.
The effect that above-mentioned setting brought is: the through-hole corresponds the through wires hole setting of circuit breaker lateral part, and the setting up of through-hole makes things convenient for the inside annex lead wire of circuit breaker to stretch out to the base plate opposite side, makes things convenient for the wiring.
Further, the through hole is U-shaped, and the boss is arranged in a recess of the U-shaped through hole.
The effect that above-mentioned setting brought is: the through hole of through-hole and circuit breaker lateral part is made to be closer to, makes things convenient for wearing to establish of lead wire to arrange.
Further, the first connecting member comprises a guide rib which is used for being matched and plugged with the side guide groove of the circuit breaker.
The effect that above-mentioned setting brought is: adopt this kind of structure of direction muscle can conveniently with the circuit breaker lateral part originally just exist and be used for carrying out the guide way cooperation of being connected with annexes cooperation such as outer tape terminal and carry out the direction connection, need not change traditional circuit breaker structure to reduce cost, convenient assembly.
Furthermore, the protrusion is a strip-shaped convex rib, a plurality of air guide grooves are formed between the plurality of convex ribs in a separated mode, and one end of each air guide groove is located at the edge of the base plate.
The effect that above-mentioned setting brought is: the hot air flow is easily generated when the temperature of the side part of the circuit breaker is raised, and the hot air flow between the heat insulation plate and the side part of the circuit breaker can flow out along one end of the air guide groove, so that the heat conduction effect between the heat insulation plate and the circuit breaker can be reduced, and the heat insulation effect can be improved.
Further, the air guide groove is in a step shape.
The effect that above-mentioned setting brought is: the plurality of convex ribs are distributed more uniformly along the base plate, the contact supporting effect of the convex ribs on the base plate is improved, and the connection stability between the heat insulation plate and the circuit breaker is improved.
Further, one end of the air guide groove is positioned at the edge of one side of the base plate, which faces upwards vertically when the base plate is in a use state.
The effect that above-mentioned setting brought is: based on the principle that hot air flow rises, the hot air flow is guided out conveniently, and therefore the heat insulation effect is improved.
Further, the base plate opposite side is provided with the second connecting element, the second connecting element is including connecting block and the symmetry setting guide slot in the connecting block both sides, and every guide slot is formed by two parallel arrangement's sand grip interval, the connecting block has the U-shaped breach, the symmetry is provided with the dovetail connection groove on the two relative inner edges that set up of U-shaped breach.
The effect that above-mentioned setting brought is: the cooperation is connected to the outside annexes such as the outer tape terminal of heat insulating board and circuit breaker that set up of guide slot and dovetail connection groove makes things convenient for the utility model discloses be difficult to when using to produce the influence to the installation of the annex that originally need connect at the circuit breaker lateral part.
Drawings
Fig. 1 is a structural view of a prior art molded case circuit breaker;
fig. 2 is an exploded view of a prior art molded case circuit breaker;
FIG. 3 is a block diagram of an embodiment of the present invention, FIG. 1;
FIG. 4 is a block diagram of an embodiment of the present invention, FIG. 2;
fig. 5 is a usage state diagram of the embodiment of the present invention;
fig. 6 is a partial sectional view of the embodiment of the present invention in use.
Detailed Description
The utility model discloses a heat insulating board is used for installing with the cooperation of mould shell type circuit breaker, the embodiment of the utility model is shown in figures 3-6: including base plate 2, base plate 2 one side is provided with the first connecting elements who is connected the location with the cooperation of circuit breaker lateral part, base plate 2 one side still is provided with a plurality of archs, base plate 2 covers the region in its middle part at least when installing at the mould shell type circuit breaker lateral part, can design base plate 2's size of a dimension according to mould shell type circuit breaker high temperature region area during concrete implementation, a plurality of archs are used for contacting the support with the cooperation of circuit breaker lateral part, improve the stability of being connected between base plate 2 and the circuit breaker, make the heat insulating board be difficult to rock, and the arch can also make and separate certain clearance between base plate 2 and the heat insulating board, weakens the heat conduction effect between base plate.
The first connecting component comprises a boss 31 which is used for being matched with the opening 10 on the side part of the circuit breaker to be inserted and positioned, the two sides of the boss 31 are provided with first inserting parts 311 which are matched with the dovetail grooves 112 on the inner edges of the two sides of the opening 10 to be inserted and positioned, and when the boss 31 and the first inserting parts 311 are inserted along the opening 10 and the dovetail grooves 112, the limiting can be carried out through the cover plate 12 to prevent the separation. The boss 31 is including the lug 312 that two intervals set up, the first grafting portion 311 of boss 31 both sides sets up respectively on two lugs 312, and the material of boss 31 can be saved on the one hand in the clearance that the interval formed between two lugs 312, reduce cost, and on the other hand can provide certain deformation effect, improves the elasticity of two lugs 312 towards the deformation of center direction, is difficult to take place the fracture when the assembly, improves the stability of connecting.
The through hole 32 that can supply the inside annex lead wire of circuit breaker to wear to establish is provided with on the base plate 2, and the lead wire of the inside annex of circuit breaker can pass the through wires hole between opening 10 and the apron 12 in proper order the through hole 32 extends the opposite side of base plate 2, makes things convenient for the wiring of the inside annex of circuit breaker, through hole 32 is the U-shaped, boss 31 sets up the concavity at U-shaped through hole 32, sets up more pleasing to the eye like this, can improve the deformability between boss 31 and the base plate 2, makes and is difficult to the fracture between boss 31 and the base plate 2, makes through hole 32 be close to the through wires hole setting originally of circuit breaker moreover, makes things convenient for.
The first connecting member comprises two guide ribs 33 which are used for being matched and plugged with the circuit breaker side guide groove 111, and the two guide ribs 33 are symmetrically arranged at two sides of the boss 31 and the through hole 32.
The arch is banding protruding muscle 21, it has a plurality of air guide groove 22 to separate between a plurality of protruding muscle 21, the one end of air guide groove 22 is located the edge of base plate 2, protruding muscle 21 is preferred the echelonment for the air guide groove 22 that the interval formed between protruding muscle 21 is the echelonment equally, sets up the appearance like this and is more pleasing to the eye, can cover in base plate 2 one side more evenly moreover, makes the contact more stable between base plate 2 and the circuit breaker lateral part.
As shown in fig. 5, one end a of some or all of the air guide grooves 22 is located at one edge of the substrate 2 which faces upward vertically when the substrate 2 is in a use state, and the use state of the substrate 2 refers to one edge of the substrate 2 which faces upward vertically when the circuit breaker is in a normal installation state.
2 opposite sides of base plate are provided with the second connecting element, the second connecting element sets up the guide slot 42 in connecting block 41 both sides including connecting block 41 and symmetry, and every guide slot 42 is formed by the interval of two parallel arrangement's sand grip 421, connecting block 41 has U-shaped breach 411, the symmetry is provided with the dovetail connection groove on the double-phase inner edge to setting up of U-shaped breach 411, in order to improve the suitability of the external annex of circuit breaker, the guide slot 42U type breach 411 the size specification and the distribution position of dovetail connection groove 412 all are the same with guide way 111, opening 10 and dovetail 112 of moulding the shell type circuit breaker lateral part, make things convenient for a plurality of heat insulating boards to make up, also make things convenient for the installation and location of external annex.
The utility model discloses the heat insulating board not only can play thermal-insulated use, but also can support the installation that has two kinds of different annexes such as lead wire, outer tape terminal, convenient operation, safety. Installation the utility model discloses a heat insulating board for the temperature that the customer can touch the district all is in comfortable within range, avoids taking place accidents such as scald, and heat insulating board simple to operate, and the customer can operate by oneself.
The above embodiment is only one of the preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (10)
1. An insulating board for a molded case circuit breaker, characterized in that: the circuit breaker comprises a substrate, substrate one side is provided with the first connecting elements who is connected the location with the cooperation of circuit breaker lateral part, substrate one side still is provided with a plurality of archs.
2. The insulation panel for a mold cased circuit breaker according to claim 1, wherein: the first connecting component comprises a boss which is used for being matched, inserted and positioned with the opening on the side part of the circuit breaker, and first inserting parts which are matched, inserted and positioned with dovetail grooves on the inner edges of the two sides of the opening are arranged on the two sides of the boss.
3. The insulation panel for a mold cased circuit breaker according to claim 2, wherein: the lug boss comprises two lug bosses arranged at intervals, and the first inserting parts on two sides of the lug boss are respectively arranged on the two lug bosses.
4. The insulation panel for a mold cased circuit breaker according to claim 2, wherein: the base plate is provided with a through hole for the lead wire of the internal accessory of the circuit breaker to penetrate through.
5. The insulation panel for a mold cased circuit breaker according to claim 4, wherein: the through hole is U-shaped, and the boss is arranged in a concave part of the U-shaped through hole.
6. The insulation panel for a mold cased circuit breaker according to claim 1, wherein: the first connecting component comprises a guide rib which is used for being matched and plugged with a guide groove on the side part of the circuit breaker.
7. The insulation panel for a mold cased circuit breaker according to claim 1, wherein: the protruding banding muscle that is, it leads the gas groove to separate to be formed with a plurality of between a plurality of protruding muscle, the one end in gas groove is located the edge of base plate.
8. The insulation panel for a mold cased circuit breaker according to claim 7, wherein: the air guide groove is in a step shape.
9. The insulation panel for a mold cased circuit breaker according to claim 7, wherein: one end of the air guide groove is positioned at the edge of one side of the substrate which is vertically upward when the substrate is in a use state.
10. The insulation panel for a mold cased circuit breaker according to any one of claims 1 to 9, wherein: the base plate opposite side is provided with the second connecting element, the second connecting element is including connecting block and the symmetry setting guide slot in the connecting block both sides, and every guide slot is formed by two parallel arrangement's sand grip interval, the connecting block has the U-shaped breach, the symmetry is provided with the forked tail connecting groove on the double-phase relative inner edge that sets up of U-shaped breach.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883532.5U CN212209376U (en) | 2020-05-22 | 2020-05-22 | Thermal insulation board for plastic shell type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020883532.5U CN212209376U (en) | 2020-05-22 | 2020-05-22 | Thermal insulation board for plastic shell type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212209376U true CN212209376U (en) | 2020-12-22 |
Family
ID=73816082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020883532.5U Active CN212209376U (en) | 2020-05-22 | 2020-05-22 | Thermal insulation board for plastic shell type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212209376U (en) |
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2020
- 2020-05-22 CN CN202020883532.5U patent/CN212209376U/en active Active
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