CN211125493U

CN211125493U - Locking device of temperature controller contact switch

Info

Publication number: CN211125493U
Application number: CN202020041641.2U
Authority: CN
Inventors: 杨强; 郑和生; 王明龙; 杨立阳
Original assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Current assignee: Zhejiang Jiatai Electrical Appliance Co Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-07-28
Anticipated expiration: 2030-01-09

Abstract

The utility model provides a locking device of temperature controller contact switch, locking device include that one end stiff end adorns the elastomer on the main casing body admittedly, connect in the driving piece lower part and for the bellied lug of driving piece, with the frame that resets of the controllable elastic migration about the connector linkage down, the elastomer include by the frame complex main control portion that resets, with the action portion that main control portion syntropy can shift, reset the frame include bottom and connector complex main bracket down, butt reset spring on main bracket, connect on the main bracket outer wall and outside oblique arm that extends below down, when main bracket reciprocates, main control portion remove about on the main casing body under the oblique arm support pushing effect, action portion correspond the cooperation with the lug under the effect of main control portion, realize driving piece spacing locking through action portion obstacle lug position promptly. The locking device of the design has no requirement on the placement position of the gravity center of the equipment, so that the whole product is more suitable for the environment or the field.

Description

Locking device of temperature controller contact switch

Technical Field

The utility model relates to a locking device especially relates to a locking subassembly of temperature sensitive controller contact switch for electric tea set class electrical apparatus.

Background

Current electric tea set electrical apparatus adopts contact switch to realize preventing dry combustion method or other functions, and contact switch generally adopts the torsional spring to come the control contact switch action, and it nevertheless has strict accurate requirement to the position and the distance and the torsion at torsional spring both ends, and its torsional spring position distance of temperature controller of different specifications and torsion are different again, and this causes very big mismatching rate, and the torsional spring is extravagant very big. And the contact switch is generally more dexterous, and the stability of mounted position, applicable environment and control also is the key of considering.

Disclosure of Invention

An object of the utility model is to provide a can simple structure, small, the locking device of the firm temperature controller contact switch of locking to the defect that prior art exists.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a locking device of a temperature controller contact switch comprises a contact switch and a locking device of the contact switch, wherein a movable contact arm is driven by a driving piece to be in contact with a static contact piece on a main shell of the temperature controller, the locking device comprises an elastic body, a convex block and a reset frame, one end of the elastic body is fixedly arranged on the main shell, the convex block is connected to the lower portion of the driving piece and protrudes relative to the driving piece, the reset frame is in linkage control and elastic movement with a lower connector, the elastic body comprises a main control portion and an action portion, the main control portion is matched with the main control portion, the action portion can move along the same direction with the main control portion, the reset frame comprises a main bracket, the bottom of the main bracket is matched with the lower connector, a reset spring is abutted to the main bracket, and an inclined arm is connected to the outer wall of the main bracket and extends outwards and downwards and obliquely, when the main bracket moves up and down, the main control portion is, namely, the position of the action part barrier lug can realize the limit locking of the driving piece.

As an improvement: the projectile body be the U-shaped, action portion and main control portion be located the projectile body about two support arms respectively, main control portion be located and be close to the fixed end position, action portion be close to in the free end.

As an improvement: the projectile body be ㄣ shape, action portion and main control portion be located the projectile body about two support arms respectively, main control portion be located and be close to the free end position, action portion arrange in nearly fixed end position.

As an improvement: the main casing body is provided with two elastic bodies, the two elastic bodies are respectively connected with the fixed ends of the two elastic bodies through a connecting arm to form a double-purpose elastic piece which is integrally formed, and the connecting arm is fixedly connected to the main casing body.

As an improvement: the main casing body is also fixedly provided with an installation plate, and the locking device is installed on the main casing body through the installation plate.

As an improvement: the locking device also comprises one or more limiting covers used for limiting the up-and-down displacement of the projectile body, and the projectile body can move left and right below the limiting covers.

The locking device of the temperature controller contact switch of the utility model utilizes the elastic position obstacle of the projectile body to realize locking, namely when the lower connector matched with the temperature sensitive controller is inserted, the reset frame moves upwards, the main control part of the projectile body is pushed outwards by the inclined arm, the action parts move in the same direction, when the lug of the driving piece is exposed, the action parts of the projectile body abut against the outer wall of the lug at the lower part of the driving piece, and the locking device is in standby; when the contact switch acts, namely when the actuator is actuated, the driving piece drives the lug to sink, the movable end of the movable contact arm jumps downwards, the action end of the elastic body moves downwards to the upper part of the lug and abuts against the outer wall of the upper part of the driving piece under the action of the elastic body, the upward moving position of the driving piece is obstructed, and the action state of the contact switch is locked; when the reset frame is driven to reset by external force or the external force on the reset frame is removed by external force, the reset frame moves downwards under the action of the reset spring when the lower connector is separated, the main control part of the projectile body is retracted and reset, the action part of the projectile body moves in the same direction to leave the obstacle position, the obstacle above the convex block of the driving piece is removed, and the contact switch is unlocked. The locking device of the temperature controller contact switch is flexible in design, reasonable in structure, simple, convenient and compact, the contact switch is stably locked, the locking device is suitable for all the contact switches in the temperature controller, and various functions can be realized according to the positions and types of the contact switches. The locking device of the design has no requirement on the placement position of the gravity center of the equipment, so that the whole product is more suitable for the environment or the field. The locking device of the temperature controller is separated from the NTC, the restriction of the design position of the NTC is relieved to a certain extent, and the whole volume of the temperature controller can be reduced.

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Drawings

Fig. 1 is a schematic view of the overall structure of a first embodiment of a locking device of a temperature controller contact switch of the present invention.

Fig. 2 is a schematic diagram of a standby state of a locking device of the thermostat contact switch of fig. 1.

Fig. 3 is a schematic view illustrating a locking state of a locking device of the thermostat contact switch of fig. 1.

Fig. 4 is a schematic view of the thermostat contact switch of fig. 1 in an unlocked state of the locking device.

FIG. 5 is a schematic structural diagram of a second embodiment of a locking device for a temperature controller contact switch

Fig. 6 is a schematic diagram of a standby state of a locking device of the thermostat contact switch of fig. 5.

Fig. 7 is a schematic view illustrating a locking state of a locking device of the thermostat contact switch of fig. 5.

Fig. 8 is a schematic view illustrating an unlocked state of a locking device of the thermostat contact switch of fig. 5.

Detailed Description

As shown in fig. 1, fig. 2, fig. 3, and fig. 4, the first embodiment of the locking device of the temperature controller contact switch of the present invention includes a main housing 1, a fixing plate 2 fixedly mounted on the main housing 1, a mounting plate 9 fixedly mounted on the main housing 1 and located below the fixing plate, and two left and right actuators 3 fixedly mounted on the fixing plate 2, wherein the main housing of the present embodiment is provided with two contact switches respectively corresponding to the two actuators 3, the contact switches include a stationary contact, a movable contact arm 4, a driving member 11 abutting against the movable contact arm 4, and a supporting member 13 having a limiting hole to support the limiting driving member 11, the contact switches are anti-repetitive dry-burning electric shock switches, and the driving member 11 is an auxiliary ceramic rod actuated by the metal actuator 3. The supporting member 13 of this embodiment is integrally formed on the mounting plate, and the supporting member 13 is inserted into the driving member 11 through the limiting hole to support the driving member 11. The movable end of the movable contact arm is arranged below the actuator 3, the movable end of the movable contact arm is provided with a contact matched with the static contact, the driving piece 11 passes through the limiting hole of the supporting piece and is vertically arranged between the movable contact arm and the actuator, and the contact switch drives the movable contact arm 4 to be opened and closed with the static contact through the driving piece 11. The two contact switches of this embodiment are all provided with locking devices, the locking devices comprise an elastic body 7, a convex block 11-1, a reset frame 6 and one or more limiting covers 12, wherein one end fixing end of the elastic body 7 is fixedly arranged on the mounting plate 9, the convex block 11-1 is connected to the lower part of the driving piece 11 and is in protruding relative to the driving piece 11, the reset frame 6 is in linkage with the lower connector and can elastically move up and down in a controllable mode, the limiting covers 12 are used for limiting the vertical displacement of the elastic body, and the elastic body 7 can effectively move left and right below the limiting covers 12 and. When the contact switch is in an open state, namely the highest point of the bump is lower than the upper surface of the mounting plate 9 after the driving member 11 moves downwards under the action of the actuator, and when the contact switch is in a closed state, namely the driving member 11 is in a jumping position, the bump 11-1 is exposed on the mounting plate 9. A card slot is formed on the contact switch due to the arrangement of the projection 11-1.

The elastic bodies of the two locking devices on the mounting plate are connected in series into an integrally-formed dual-purpose elastic piece through a connecting arm 8 fixedly connected on the mounting plate. The two ends of the connecting arm 8 of this embodiment are respectively connected with the fixed ends of the projectile bodies close to the main control part 7-1. The projectile body include by 6 complex main control departments 7-1 that reset, with 7-1 syntropy displaceable action parts 7-2 of main control department, two projectile bodies 7 on this embodiment double-purpose elastic component all are the U-shaped, action parts 7-2 and main control department 7-1 be located projectile body 7 about two support arms respectively, 7-1 of main control department be located and be close to the stiff end position, action parts 7-2 be close to in the free end.

The reset frame 6 comprises a main bracket 6-1, the bottom of which is matched with the lower connector, a reset spring 5 which is abutted against the main bracket 6-1, and two inclined arms 6-2 which are connected on the outer wall of the main bracket and extend outwards and obliquely downwards, when the main bracket 6-1 moves up and down, the main control part 7-1 moves left and right on the main shell under the action of the pushing of the inclined arms 6-2, the action part 7-2 is correspondingly matched with the lug 11-1 under the action of the main control part 7-1, namely, the position of the driving part 11 can be limited and locked by the action part 7-2 which obstructs the lug 11-1.

Projectile body 7 be the U-shaped, action portion 7-2 and main control portion 7-1 be located projectile body 7 about two support arms respectively, main control portion 7-1 be located and be close to the stiff end position, action portion 7-2 be close to near being close to the free end.

The utility model discloses a bullet body design constitutes on contact switch with draw-in groove complex hasp. The structure is reasonable, the design is ingenious, the space utilization rate is very high, and the assembly is very convenient.

The second embodiment shown in fig. 5, 6, 7 and 8 is different from the first embodiment in that: projectile body 7 be ㄣ shapes, action portion 7-2 and main control portion 7-1 be located projectile body 7 about two support arms respectively, main control portion 7-1 be located and be close to free end position, action portion 7-2 arrange in nearly stiff end position. The two ends of the connecting arm 8 of the embodiment are respectively connected with the fixed ends of the elastic bodies close to the action parts 7-2, the connecting arm 8 can be in a U shape or other shapes, the connecting arm can be determined according to the layout requirements of the temperature controller, and the design can save connecting pieces and space.

When the lower connector matched with the temperature sensitive controller is inserted, the reset frame 6 moves upwards, the main control part 7-1 of the elastomer is pushed by the inclined arm 6-2 to move outwards, the action part 7-2 moves in the same direction, when the lug 11-1 of the driving piece is exposed, namely the contact switch is closed, the action part 7-2 of the elastomer abuts against the outer wall of the lug 11-1 at the lower part of the driving piece, and the locking device is in standby, as shown in fig. 2 and 6. When the actuator actuates the contact switch to be in an open state, if the electric tea set type electric appliance is overheated, the movable contact arm drives the movable end to jump down under the driving of the driving piece, the contact switch is disconnected, the driving piece drives the lug to sink down on the surface of the mounting plate, the action end of the elastic body moves down to the upper part of the lug under the action of the elastic body and abuts against the outer wall of the upper part of the driving piece, the upper moving position of the driving piece is obstructed, the action state of the contact switch is locked, namely the locking device is locked, and as shown in fig. 3 and 7, the electric tea set type electric appliance is prevented from being repeatedly burnt, the contact switch is prevented from being repeatedly opened. When the reset frame is driven to reset by external force or the external force on the reset frame is removed by external force, the reset frame moves downwards under the action of the reset spring when the lower connector is separated, the main control part of the projectile body is retracted and reset, the action part of the projectile body moves in the same direction to leave the obstacle position, the obstacle above the convex block of the driving part is removed, the contact switch is unlocked, namely the locking device is unlocked, as shown in fig. 4 and 8. If the actuator is in a non-actuating state in the state, the driving piece jumps upwards, the contact switch is closed and reset, and the electric tea appliance can restart to heat and the like.

The locking device of the temperature controller contact switch is flexible in design, reasonable in structure, simple, convenient and compact, the contact switch is stably locked, the locking device is suitable for all the contact switches in the temperature controller, and various functions can be realized according to the positions and types of the contact switches. The locking device of the design has no requirement on the placement position of the gravity center of the equipment, so that the whole product is more suitable for the environment or the field. The locking device of the present design is separated from the NTC temperature sensor 14, and can be disposed at the center position or at the outer ring position as in the present embodiment. The restriction of the design position of the NTC can be released to a certain extent, and the whole volume of the temperature controller can be reduced.

Although the present invention has been described with reference to the specific embodiments, it should be understood that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a locking device of temperature controller contact switch, includes the contact switch that drives movable contact arm (4) and static contact through driving piece (11) on the temperature controller main casing body (1), its characterized in that: the contact switch locking device comprises a bullet body (7) with one end fixed end fixedly arranged on a main shell (1), a convex block (11-1) connected to the lower part of a driving piece (11) and protruding relative to the driving piece (11), and a reset frame (6) linked with a lower connector and capable of controlling elastic movement up and down, wherein the bullet body comprises a main control part (7-1) matched with the reset frame (6) and an action part (7-2) capable of moving in the same direction with the main control part (7-1), the reset frame (6) comprises a main bracket (6-1) with the bottom matched with the lower connector, a reset spring (5) abutted against the main bracket (6-1) and an inclined arm (6-2) connected to the outer wall of the main bracket and extending outwards and obliquely downwards, and when the main bracket (6-1) moves up and down, the main control part (7-1) moves left and right on the main shell under the pushing action of the inclined arm (6-2), the action part (7-2) is correspondingly matched with the lug (11-1) under the action of the main control part (7-1), namely, the position of the lug (11-1) is obstructed by the action part (7-2) to realize the limiting and locking of the driving part (11).

2. The locking device of a thermostat contact switch of claim 1, wherein: projectile body (7) be the U-shaped, action portion (7-2) and main control portion (7-1) be located projectile body (7) about two support arms respectively, main control portion (7-1) be located and be close to the stiff end position, action portion (7-2) near be close to the free end.

3. The locking device of a thermostat contact switch of claim 1, wherein: projectile body (7) be ㄣ shapes, action portion (7-2) and main control portion (7-1) be located projectile body (7) about two support arms respectively, main control portion (7-1) be located and be close to free end position, action portion (7-2) place near stiff end position in.

4. A locking device of a thermostat contact switch according to claim 1 or 2 or 3, characterized in that: be equipped with two elastomers (7) on the main casing body, the stiff end that two elastomers are connected respectively through a linking arm (8) to two elastomers forms the fashioned double-purpose elastic component of an organic whole, linking arm (8) rigid coupling on main casing body (1).

5. A locking device of a thermostat contact switch according to claim 1 or 2 or 3, characterized in that: the main casing body (1) is further fixedly provided with an installation plate (9), and the locking device is installed on the main casing body (1) through the installation plate (9).

6. The locking device of a thermostat contact switch of claim 4, wherein: the main casing body (1) is further fixedly provided with an installation plate (9), and the locking device is installed on the main casing body (1) through the installation plate (9).

7. A locking device of a thermostat contact switch according to claim 1 or 2 or 3, characterized in that: the locking device also comprises one or more limiting covers (12) used for limiting the up-and-down displacement of the projectile body, and the projectile body can move left and right below the limiting covers (12).

8. The locking device of a thermostat contact switch of claim 4, wherein: the locking device also comprises one or more limiting covers (12) used for limiting the up-and-down displacement of the projectile body, and the projectile body can move left and right below the limiting covers (12).

9. The locking device of a thermostat contact switch of claim 5, wherein: the locking device also comprises one or more limiting covers (12) used for limiting the up-and-down displacement of the projectile body, and the projectile body can move left and right below the limiting covers (12).

10. The locking device of a thermostat contact switch of claim 6, wherein: the locking device also comprises one or more limiting covers (12) used for limiting the up-and-down displacement of the projectile body, and the projectile body can move left and right below the limiting covers (12).