CN216487861U

CN216487861U - Pressure type temperature controller

Info

Publication number: CN216487861U
Application number: CN202123239858.8U
Authority: CN
Inventors: 林梦
Original assignee: Changzhou Thermoster Electrical Appliance Co ltd
Current assignee: Changzhou Thermoster Electrical Appliance Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-05-10
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses a pressure type temperature controller, including main part, switch module and push rod, push rod one end links together with the inside switch system of switch structure, the main part includes shell and inside subassembly, inside subassembly mainly includes L type driving arm, bellows, connector link, fly leaf, first extension spring and second extension spring. The utility model discloses required spare part is few, is convenient for install, and the action is stable between the spare part of temperature controller, and the performance is more reliable, passes first extension spring in advance through the connector link, then installs the shell with the connector link in, does not lengthen first extension spring hook by force through the frock, can avoid the deformation of first extension spring opening part, and then can not make the pulling force of first extension spring change.

Description

Pressure type temperature controller

The technical field is as follows:

the utility model relates to a mechanical type temperature controller technical field especially relates to a pressure type temperature controller.

Background art:

the temperature controller is widely applied to the field of household appliances such as refrigerators, freezers, water dispensers and the like, and is an indispensable part with a refrigerating function. The traditional constant temperature reset temperature controller structure is shown in fig. 1 and fig. 2, and comprises a main body 1 'and a switch structure 2', wherein the main body 1 'comprises a shell 3' and internal components, the internal components mainly comprise an L-shaped driving arm 4 ', a corrugated pipe 5', a positioning plate 6 ', a movable plate 7', a first tension spring 81 'and a second tension spring 82', a push rod 9 'is connected with the switch structure 2', one end of the positioning plate 6 'is fixed by a pin shaft 10', the other end is a free end, an opening is arranged in the middle of the free end, an adjusting screw 61 ' is fixed at the frame of the opening, a salient point is arranged at one side of the L-shaped driving arm 4 ' and is arranged at the upper part of the corrugated pipe 5 ', meanwhile, the other side of the positioning plate passes through the opening of the free end of the positioning plate 6 ', is fixed by a second tension spring 82' and is connected with the push rod 9 ', one end of a first tension spring 81' is connected with the free end of the positioning plate 6 ', and the other end of the first tension spring is connected with the movable plate 7'.

The temperature controller has the disadvantages that more parts are needed, particularly, parts in the main body 1 ', and the various parts are not directly acted but indirectly acted through parts such as the adjusting screw 62 ', and the performance of the temperature controller has unstable factors due to the loosening phenomenon of the adjusting screw 62 ', and meanwhile, when the temperature controller is generated, the first tension spring 81 ' needs to be hung on the positioning plate 6 ' through a tool manually, the opening of the first tension spring 81 ' is deformed due to large force, and then the tension of the first tension spring 81 ' is changed, so that the temperature controller is not controlled accurately enough.

The utility model has the following contents:

to the above problem, the utility model provides a be convenient for installation, the action is stable between the spare part of temperature controller, the more reliable pressure type temperature controller of performance.

The utility model discloses a realize through following technical scheme:

a pressure type temperature controller comprises a main body, a switch component and a push rod, wherein one end of the push rod is connected with a switch system in a switch structure, the main body comprises a shell and an internal component, the internal component mainly comprises an L-shaped driving arm, a corrugated pipe, a connecting buckle, a movable plate, a first tension spring and a second tension spring, the movable plate is movably arranged on the inner wall of the shell, the first tension spring is vertically and fixedly arranged at one end of the movable plate, the connecting buckle is U-shaped, a limiting rod is fixed on the inner wall, a groove is formed in the middle of the connecting buckle, the connecting buckle is fixed in the shell, a convex contact is arranged at the bottom end of the L-shaped driving arm, the L-shaped driving arm is hinged with the corrugated pipe through the contact, one end of the L-shaped driving arm is movably inserted in the connecting buckle, the other end of the L-shaped driving arm is movably inserted in the movable plate, the second tension spring is horizontally arranged in the shell, one end of the second tension spring is fixedly connected with the shell, the other end of the second tension spring is fixedly connected to the L-shaped driving arm, and the L-shaped driving arm is in contact with the push rod.

In order to facilitate the adjustment of the sensitivity of the temperature controller, one end of the second tension spring is rotatably connected with an adjusting nut, and the adjusting nut is in threaded connection with the side wall of the shell.

Preferably, one end of the movable plate is provided with a pull groove, and one end of the L-shaped active arm is movably inserted into the pull groove.

In order to facilitate the installation of the connecting buckle, two sides of the bottom end of the connecting buckle are provided with outward-turning clamping blocks, the inner wall of the shell is provided with a clamping groove, and the connecting buckle is fixed in the clamping groove through the clamping blocks.

The utility model has the advantages that: the pressure type temperature controller has the advantages that the required parts are few, the pressure type temperature controller is convenient to install, the motion between the parts of the temperature controller is stable, the performance is more reliable, the connecting buckle penetrates through the first tension spring in advance, then the connecting buckle is installed in the shell, the first tension spring hook is not forcibly lengthened through the tool, the deformation of the opening of the first tension spring can be avoided, and the tension of the first tension spring cannot be changed.

Description of the drawings:

FIG. 1 is a schematic structural diagram of a conventional thermostat;

FIG. 2 is a bottom view of a conventional thermostat positioning plate;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a side view of the connecting buckle of the present invention.

In the figure: the switch comprises a main body 1 ', a switch component 2 ', a shell 3', a driving arm 4 ' L, a corrugated pipe 5 ', a positioning plate 6 ', an adjusting screw 61 ', a movable plate 7 ', a first tension spring 81 ', a second tension spring 82 ', a push rod 9 ', a pin shaft 10 ', a spring leaf 13', a main body 1, a switch component 2, a shell 3, a driving arm 4L, a corrugated pipe 5, a connecting buckle 6, a movable plate 7, a first tension spring 81, a second tension spring 82, a push rod 9, a limiting rod 10, a groove 11 and a clamping block 12.

The specific implementation mode is as follows:

the following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be clearly and clearly defined.

As shown in fig. 3 and 4, a pressure type temperature controller includes a main body 1, a switch assembly 2 and a push rod 9, one end of the push rod 9 is connected with a switch system inside the switch structure, the main body 1 includes a housing 3 and internal components, the internal components mainly include an L-shaped active arm 4, a bellows 5, a connecting buckle 6, a movable plate 7, a first tension spring 81 and a second tension spring 82, the movable plate 7 is movably mounted on an inner wall of the housing 3, the first tension spring 81 is vertically and fixedly disposed at one end of the movable plate 7, the connecting buckle 6 is U-shaped, a limit rod 10 is fixed on the inner wall, a groove 11 is formed in the middle of the connecting buckle 6, the first tension spring 81 can slide into the groove 11, the connecting buckle 6 is fixed in the housing 3, a convex contact is disposed at the bottom end of the L-shaped active arm 4, the L-shaped active arm 4 is hinged to the bellows 5 through the contact, one end of the L-shaped active arm 4 is movably inserted into the connecting buckle 6, the other end of the L-shaped active arm 4 is movably inserted into the movable plate 7, the second tension spring 82 is horizontally arranged inside the shell 3, one end of the second tension spring 82 is fixedly connected with the shell 3, the other end of the second tension spring 82 is fixedly connected to the L-shaped active arm 4, and the L-shaped active arm 4 is in contact with the push rod 9.

As shown in fig. 3, one end of the second tension spring 82 is rotatably connected with an adjusting nut, the adjusting nut is in threaded connection with the side wall of the housing 3, and the elasticity of the second tension spring 82 can be adjusted by rotating the adjusting nut, so that the sensitivity of the temperature controller can be adjusted.

As shown in fig. 3, one end of the movable plate 7 has a pull groove, one end of the L-shaped active arm 4 is movably inserted into the pull groove, and the pull groove can provide a guiding function for the L-shaped active arm 4.

As shown in fig. 4, the clamping block 12 that turns up is arranged on two sides of the bottom end of the connecting buckle 6, the clamping groove is arranged on the inner wall of the shell 3, the connecting buckle 6 is fixed in the clamping groove through the clamping block 12, the installation efficiency can be improved in a clamping manner, when the installation is carried out, only the connecting buckle 6 needs to pass through the first tension spring 81 in advance, and then the connecting buckle 6 is directly clamped into the clamping groove, so that the installation is simple and convenient.

When the temperature controller works, when the temperature of the temperature controller is reduced, the corrugated pipe 5 retracts, the L-shaped driving arm 4 connected with the corrugated pipe 5 generates downward displacement, the L-shaped driving arm 4 penetrates through the inside of the connecting buckle 6 and can simultaneously drive the connecting buckle 6 to move downwards, the tension spring is in a tensioning state (with the retraction trend), the other side of the L-shaped driving arm 4 moves downwards to drive the push rod 9 to move, so that the switch connected with the push rod 9 is disconnected (the spring piece 13' is pushed away), and the temperature controller is in a disconnection state.

On the contrary, when the temperature rises, the corrugated pipe 5 stretches, one side of the L-shaped active arm 4 in contact with the corrugated pipe 5 generates upward displacement, the connecting buckle 6 moves upward under the action of the L-shaped active arm 4, retracts (has an opening trend) under the action of the tension spring, the other side of the L-shaped active arm 4 moves upward, at the moment, the L-shaped active arm 4 leaves the push rod 9, and the switch resets (the spring piece 13' rebounds), so that the temperature controller is in a connection state.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a pressure type temperature controller, includes main part, switch module and push rod, push rod one end is in the same place with the inside switching system of switch structure links to each other, its characterized in that: the main body comprises a shell and an internal component, the internal component mainly comprises an L-shaped driving arm, a corrugated pipe, a connecting buckle, a movable plate, a first tension spring and a second tension spring, the movable plate is movably arranged on the inner wall of the shell, the first tension spring is vertically and fixedly arranged at one end of the movable plate, the connecting buckle is U-shaped, a limiting rod is fixed on the inner wall, a groove is arranged in the middle of the connecting buckle, the connecting buckle is fixed in the shell, the bottom end of the L-shaped driving arm is provided with a convex contact, the L-shaped driving arm is hinged with the corrugated pipe through the contact, one end of the L-shaped driving arm is movably inserted in the connecting buckle, the other end of the L-shaped driving arm is movably inserted in the movable plate, the second extension spring level sets up inside the shell, and the one end and the shell fixed connection of second extension spring, the other end fixed connection of second extension spring are on L type initiative arm, L type initiative arm touches with the push rod mutually.

2. A pressure type temperature controller according to claim 1, wherein: one end of the second tension spring is rotatably connected with an adjusting nut, and the adjusting nut is in threaded connection with the side wall of the shell.

3. A pressure type temperature controller according to claim 1, wherein: one end of the movable plate is provided with a pull groove, and one end of the L-shaped driving arm is movably inserted in the pull groove.

4. A pressure type temperature controller according to claim 1, wherein: the two sides of the bottom end of the connecting buckle are provided with outward-turning clamping blocks, the inner wall of the shell is provided with a clamping groove, and the connecting buckle is fixed in the clamping groove through the clamping blocks.