CN211700110U - Instantaneous centrifugal switch for motor of clothes dryer - Google Patents
Instantaneous centrifugal switch for motor of clothes dryer Download PDFInfo
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- CN211700110U CN211700110U CN202020115107.1U CN202020115107U CN211700110U CN 211700110 U CN211700110 U CN 211700110U CN 202020115107 U CN202020115107 U CN 202020115107U CN 211700110 U CN211700110 U CN 211700110U
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- bracket
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- 238000005452 bending Methods 0.000 claims abstract description 5
- 230000001052 transient effect Effects 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model relates to a transient mode dryer motor centrifugal switch is that the contact divides when being used for the motor of dryer to solve current like product and divides rapidly not, and the scaling loss is serious, designs not good enough technical problem. The swing rod of the centrifugal switch extends out of the shell to be aligned with the movable sleeve of the centrifuge, and the key point of the centrifugal switch is that a tilting end head is arranged at one end part of a bracket of the centrifugal switch, the tilting end head of the bracket is inserted into a bracket hole of a contact bridge plate at one end, an L-shaped pressing piece is arranged above the bracket, one end of the pressing piece tilts and is inserted into a pressing hole of the contact bridge plate, the other end of the pressing piece is welded with the bending part of the bracket into a whole, a tension spring is arranged between the connecting point and the tilting end of the pressing piece, one end of the tension spring is connected with the pressing piece, and the upper part of the contact bridge plate at one end of a rivet contact is aligned with the rivet contact; one end pressing head of a swinging rod in the shell is positioned above the joint of the bridge contact plate, the pressing sheet and the bracket, the swinging rod is V-shaped, and the bent part of the swinging rod is fixed on a swinging column of the shell.
Description
Technical Field
The utility model relates to a centrifugal switch, in particular to a transient centrifugal switch of a motor of a clothes dryer.
Background
The centrifugal switch is mainly used for controlling a starting coil of a single-phase motor, namely, the centrifugal switch is arranged on a motor rotor, a circuit is connected in series in a starting loop, the switch is switched on when the rotor is static, and the switch is switched off when a certain rotating speed is reached. Some centrifugal switches are used in clothes dryers or washing machines, such as the application number 201610546662.8 disclosed in chinese patent literature, application publication No. 2016.10.12, entitled "washing machine door lock switch strong-pull door opening power-off protection mechanism"; the mechanism comprises an installation shell and a door hook inlet arranged on the back of the installation shell, wherein a lock hook positioned at the inner end of the door hook inlet is arranged in the installation shell, three conducting strips which are parallel to each other are arranged on one side of the installation shell, a power-off protection switch which can be switched on or switched off is arranged between the installation shell and any one of the conducting strips, and a driving protection structure which can drive the power-off protection switch to be switched on or switched off when a moving block stretches into the door hook inlet or leaves the door hook inlet is further arranged in the installation shell. However, the instantaneous linkage effect of the product and the like is not good enough, the production and the assembly are inconvenient, and the product is difficult to be used on a motor shaft of a clothes dryer.
Disclosure of Invention
In order to overcome the defects, the utility model aims to provide a transient centrifugal switch for a motor of a clothes dryer for the field, which solves the technical problems that the contact breaking is not rapid, the burning loss is serious and the design is not good enough when the existing like products are used for the motor of the clothes dryer. The purpose is realized by the following technical scheme.
A centrifugal switch of a transient dryer motor is characterized in that a mounting hole is formed in the outer side of a shell of the centrifugal switch, a contact bridge plate, a fixed contact blade, a starting spring leaf support, a starting spring leaf, a starting lower blade, a starting upper blade, a support and a pressing blade are arranged in the shell, one end of the fixed contact blade, the starting spring leaf support, the starting lower blade, the starting upper blade and one end of the support respectively and simultaneously extend out of a wiring terminal on one side of the shell, the other end of the starting spring leaf in the shell is fixedly connected with one end of the starting spring leaf, the other end of the starting spring leaf is aligned with the other end of the starting lower blade and provided with a raised contact, the other end of the starting upper blade is positioned above the contact of the starting spring leaf and also provided with a raised; the structure design key points are that a rib isolating column is arranged in a shell above a starting upper piece, the other end of a support is positioned above the other side of the rib isolating column, the end part of the end of the support is provided with a tilted end head, the tilted end head of the support is inserted into a support hole of a contact bridge plate at one end, an L-shaped pressing piece is arranged above the support, one end of the pressing piece is tilted and inserted into the pressing hole of the contact bridge plate, the other end of the pressing piece and the bent part of the support are welded into a whole, a tension spring is arranged between the connecting point of the pressing piece and the tilted end, one end of the tension spring is connected with the pressing piece, the other end of the tension spring is fixed on a tension spring column in the shell, the other end of the contact bridge plate is provided with a rivet contact, a limit column is arranged in the shell below the rivet contact of the contact bridge plate, and the rivet contact above the; one end of a rocking rod in the shell is pressed and the head is positioned above the joint of the bridge contact plate, the pressing piece and the bracket, the rocking rod is V-shaped, the bending part of the rocking rod is fixed on a rocking column of the shell, and the other end of the rocking rod extends out of the shell. Therefore, when the centrifuge does not rotate, the movable sleeve of the centrifuge slides into the swing rod, and the centrifugal switch is triggered through the swing rod.
The swing post of the swing rod in the shell is provided with a spring post which extends to the inside of the shell to be convex, the spring post is abutted against a spring in a spring groove, and the spring groove is arranged in the shell. Thereby be convenient for through the spring rocking bar and realize reseing, this structure also can be realized through the torsional spring of rocking post or the outer spring in the outside.
A spring piece is arranged between the rivet contact of the bridge contact plate and the support hole, one end of the spring piece is fixed in the support hole of the bridge contact plate, the other end of the spring piece is fixed in the spring hole at the rivet contact, and the spring piece arches towards the arc on one side of the swinging rod. The spring piece structure further improves the linkage effect among the bridge contact plate, the pressing piece and the bracket.
And a top limit column is arranged above the fixed end of the starting spring piece bracket of the starting spring piece in the shell and the contact. The above structure is used for further limiting the upper stroke of the starting spring piece.
The shell is internally omitted with a pressing sheet, and one end of the tension spring is connected with the bracket. The structure can also achieve the same technical effect.
The tension spring is omitted in the shell, one end of the support is abutted with a rivet contact at one end of the contact bridge plate through the rivet contact, the upper portion of the abutting portion is aligned with one end of a pressing head of the rocking rod, the other end of the contact bridge plate is attached to the fixed contact blade to be connected into a whole, and a spring piece is arranged below the contact bridge plate between the connecting portion and the rivet contact. The structure is another structure of the embodiment.
The utility model has reasonable structural design, convenient production, assembly, use and installation, and good stability and safety; the centrifugal switch is suitable for being used as a centrifugal switch of a clothes dryer motor and the structural improvement of the like products.
Drawings
Fig. 1 is a schematic diagram of the internal structure of the present invention.
Fig. 2 is a schematic structural diagram of the use state of fig. 1, and a dotted line in the diagram is a moving track of the movable sleeve of the centrifuge.
Fig. 3 is a schematic structural view of a modified structure of fig. 1, and parts of the structural view are omitted.
Figure number and name: 1. the device comprises a shell, 101, rib separating columns, 102, tension spring columns, 103, limiting columns, 104, swing columns, 105, top limiting columns, 2, swing rods, 3, spring pieces, 4, contact bridge plates, 5, fixed contact blades, 6, springs, 7, starting spring piece supports, 8, starting spring pieces, 9, starting lower pieces, 10, starting upper pieces, 11, supports, 12, pressing pieces, 13 and tension springs.
Detailed Description
The structure and use of the present invention will now be further described with reference to the accompanying drawings. As shown in fig. 1 and 2, the centrifugal switch has a mounting hole on the outer side of a housing 1, a contact bridge plate 4, a fixed contact blade 5, a starting spring leaf bracket 7, a starting spring leaf 8, a starting lower blade 9, a starting upper blade 10, a bracket 11 and a pressing blade 12 are arranged in the housing, one end of the fixed contact blade, the starting spring leaf bracket, the starting lower blade, the starting upper blade and one end of the bracket respectively extend out of a terminal on one side of the housing at the same time, the other end of the starting spring leaf in the housing is fixedly connected with one end of the starting spring leaf, the other end of the starting spring leaf is aligned with the other end of the starting lower blade and is provided with a raised contact, and the other end of the starting upper blade is also provided; a spacing rib column 101 is arranged in a shell above a starting upper plate, the other end of a support is positioned above the other side of the spacing rib column, the end part of the end of the support is provided with a tilted end head, the tilted end head of the support is inserted into a support hole of a contact bridge plate at one end, an L-shaped pressing plate is arranged above the support, one end of the pressing plate is tilted and inserted into a pressing hole of the contact bridge plate, the other end of the pressing plate is welded with the bending part of the support into a whole, a tension spring 13 is arranged between the connecting point of the pressing plate and the tilted end, one end of the tension spring is connected with the pressing plate, the other end of the tension spring is fixed on a tension spring column 102 in the shell, the other end of the contact bridge plate is provided with a rivet contact, a limiting column 103 is arranged in the shell below the rivet contact of the contact bridge plate, and the rivet contact above the; the pressing head of one end of a swinging rod 2 in the shell is positioned above the joint of the bridge contact plate, the pressing sheet and the bracket, the swinging rod is V-shaped, the bending part of the swinging rod is fixed on a swinging column 104 of the shell, the other end of the swinging rod extends out of the shell, and the swinging rod extending out of the shell is aligned with the movable sleeve of the centrifuge.
The swing column of the swing rod in the shell is provided with a spring column which extends to the inside of the shell to be convex, the spring column is abutted against a spring 6 in a spring groove, and the spring groove is arranged in the shell. Be equipped with spring leaf 3 between the rivet contact of touching the bridge plate and the support hole, the one end of spring leaf is fixed in the support hole of touching the bridge plate, and the other end of spring leaf is fixed in the spring hole of rivet contact department, and the spring leaf arches to rocking bar one side arc. A top limit column 105 is arranged above the fixed end of the starting spring piece bracket of the starting spring piece in the shell and between the contact. The centrifugal switch is arranged below a rotor shaft of the centrifuge, when the centrifuge does not rotate, the rotor shaft of the centrifuge slides into the swing rod, and the centrifugal switch is triggered by the swing rod; when the centrifuge rotates, the rotor shaft of the centrifuge is separated from the rocking bar, and the centrifugal switch is not triggered.
According to the structure, as shown in fig. 3, the pressing piece and the tension spring are omitted in the shell, one end of the bracket is abutted against the rivet contact at one end of the contact bridge plate through the rivet contact, the upper part of the abutting part is aligned with one end of the pressing head of the swing rod, the other end of the contact bridge plate is attached and connected with the fixed contact piece into a whole, and the spring piece is arranged below the contact bridge plate between the connecting part and the rivet contact; the centrifugal switch can also achieve the same technical purpose and technical effect.
Claims (6)
1. A centrifugal switch for the motor of instantaneous clothes dryer is composed of a casing (1) with installing holes, a bridge contact plate (4), a fixed contact blade (5), a starting spring plate supporter (7), a starting spring plate (8), a lower starting blade (9), an upper starting blade (10), a supporter (11) and a pressing blade (12), the fixed contact blade, the starting spring piece bracket, the starting lower blade, the starting upper blade and one end of the bracket respectively extend out of the wiring end on one side of the shell simultaneously, the other end of the starting spring piece in the shell is fixedly connected with one end of the starting spring piece, the other end of the starting spring piece is aligned with the other end of the starting lower blade and is provided with a raised contact, the other end of the starting upper blade is positioned above the contact of the starting spring piece and is also provided with a raised contact, and the swing rod (2) extending out of the shell is aligned with the movable sleeve of the centrifuge; the novel high-voltage switch is characterized in that a rib isolating column (101) is arranged in a shell (1) above a starting upper piece (10), the other end of a support (11) is located above the other side of the rib isolating column, a tilted end head is arranged at the end of the support, the tilted end head of the support is inserted into a support hole of a contact bridge plate (4) at one end, an L-shaped pressing piece (12) is arranged above the support, one end of the pressing piece is tilted and inserted into the pressing hole of the contact bridge plate, the other end of the pressing piece is welded with the bent part of the support into a whole, a tension spring (13) is arranged between the connecting point of the pressing piece and the tilted end, one end of the tension spring is connected with the pressing piece, the other end of the tension spring is fixed on a tension spring column (102) in the shell, a rivet contact is arranged at the other end of the contact bridge plate, a limiting column (103) is arranged in the shell below the rivet contact point of the contact bridge plate, and the; one end of a swing rod (2) in the shell is pressed and the head is positioned above the joint of the bridge contact plate, the pressing sheet and the bracket, the swing rod is V-shaped, the bending part of the swing rod is fixed on a swing column (104) of the shell, and the other end of the swing rod extends out of the shell.
2. A centrifugal switch for the motor of instantaneous clothes dryer according to claim 1, characterized in that the rocking post (104) of the rocking lever (2) in the housing (1) is provided with a spring post protruding inwards the housing, the spring post is abutted against a spring (6) in a spring groove provided in the housing.
3. The centrifugal switch of the motor of the instant dryer of claim 1, characterized in that a spring leaf (3) is arranged between the rivet contact of the contact bridge plate (4) and the bracket hole, one end of the spring leaf is fixed to the bracket hole of the contact bridge plate, the other end of the spring leaf is fixed to the spring hole at the rivet contact, and the spring leaf is arched towards one side of the swing rod (2).
4. A centrifugal switch for the motor of a snap-action dryer according to claim 1, characterized in that a top limit column (105) is provided above the fixed end of the actuating spring support (7) of the actuating spring (8) in the housing (1) and the contact point.
5. A centrifugal switch for the motor of a snap-action clothes dryer according to claim 1, characterized in that the pressing piece (12) is omitted from the housing (1) and one end of the tension spring (13) is connected to the bracket (11).
6. The centrifugal switch of the instantaneous clothes dryer motor according to claim 5, characterized in that a tension spring (13) is omitted in the housing (1), one end of the bracket (11) is abutted against a rivet contact at one end of the contact bridge plate (4) through the rivet contact, the upper side of the abutment is aligned with one end of a pressing head of the rocking bar (2), the other end of the contact bridge plate is attached to the fixed contact piece (5) to form a whole, and a spring piece (3) is arranged below the contact bridge plate between the joint and the rivet contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115107.1U CN211700110U (en) | 2020-01-17 | 2020-01-17 | Instantaneous centrifugal switch for motor of clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115107.1U CN211700110U (en) | 2020-01-17 | 2020-01-17 | Instantaneous centrifugal switch for motor of clothes dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211700110U true CN211700110U (en) | 2020-10-16 |
Family
ID=72774923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115107.1U Expired - Fee Related CN211700110U (en) | 2020-01-17 | 2020-01-17 | Instantaneous centrifugal switch for motor of clothes dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211700110U (en) |
-
2020
- 2020-01-17 CN CN202020115107.1U patent/CN211700110U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201016 |