CN107369591B

CN107369591B - simple liquid expansion type temperature controller

Info

Publication number: CN107369591B
Application number: CN201611013697.1A
Authority: CN
Inventors: 陈永龙; 易仲苏
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-10
Filing date: 2016-11-10
Publication date: 2020-01-31
Anticipated expiration: 2036-11-10
Also published as: CN107369591A

Abstract

simple liquid expansion temperature controller, which comprises a temperature sensing component, a transmission component, a micro switch and an adjusting component, wherein the temperature sensing component, the transmission component, the micro switch and the adjusting component are sequentially installed on a support in a layer type from bottom to top, the adjusting component adjusts the distance between a moving contact component and a static contact component of the micro switch, and the temperature sensing component moves to enable the micro switch to act through the transmission component.

Description

simple liquid expansion type temperature controller

Technical Field

The invention relates to temperature controllers, in particular to simple liquid expansion type temperature controllers.

Background

Chinese patent discloses kinds of single-phase temperature controllers (97224308.9, inventor design), which comprises a temperature sensing component composed of a probe, a capillary tube, a diaphragm capsule, etc., an adjusting knob, an adjusting shaft, an adjusting nut, a positioning piece, etc., a moving contact component, a static contact, etc., a microswitch, etc., wherein the adjusting nut, a fixing plate and an insulating pad are fixed on a base through a connecting support and an internal screw, a damping spring piece is embedded in the connecting support under the positioning piece, a pressing piece for a sensing plate is arranged under the diaphragm capsule to make the diaphragm capsule and the sensing plate synchronously move, a contact piece is arranged on the sensing plate, and limiting pieces are normally closed under the moving contact.

China patent has disclosed liquid expanding temperature controller (201520576845.5), it includes base, 0 fixed plate, 1 regulating shaft, 2 temperature-sensing cylinder, 3 capillary, 4 capsule, capsule bedplate, porcelain push rod and contact switch, contact switch fixes in the cavity of base, the capsule passes through the regulating shaft and installs on the fixed plate, the capsule passes through the capillary and is connected with temperature-sensing cylinder, the capsule acts on middle section of capsule bedplate, the stiff end of capsule bedplate is fixed at with the fixed plate, porcelain push rod fixes at the active end of capsule bedplate and cooperatees with contact switch, the base is ceramic base, this base passes through screw and fixed plate and fixes at , the base is equipped with the installation ear of band-pass hole by membrane box side, screw passes the screw hole back and couples with the screw hole of fixed plate.

Chinese patent has disclosed liquid expansion temperature controller (201520926313.X), it includes the temperature sensing part, the temperature sensing part includes capillary, the capillary is connected with two temperature sensing section of thick bamboo, the capillary is furnished with liquid guide pipe, the end that the end inserted the liquid guide pipe of stretching out of capillary is fixed plays, the second end of liquid guide pipe is connected with two branch pipes, the end of two branch pipes inserts the second end of liquid guide pipe jointly and fixes plays, the second end of each branch pipe is connected with corresponding temperature sensing section of thick bamboo respectively.

Chinese patent has disclosed liquid expansion type temperature controller (201520926315.9), and it includes base, insulation board, housing, bellows and push rod, push rod end cover is on the center post of bellows, and end passes the insulation board in addition, the nearly bellows end of push rod is equipped with annular outward flange, the push rod is furnished with reset spring, and reset spring cover is on the push rod and the top is supported between annular outward flange and insulation board.

Disclosure of Invention

The invention aims to provide simple liquid expansion type temperature controllers which are simple in structure and low in manufacturing cost.

In order to achieve the purpose, the invention adopts the solution that simple liquid expansion type temperature controllers comprise a temperature sensing assembly, a transmission assembly, a microswitch and an adjusting assembly, wherein the temperature sensing assembly, the transmission assembly, the microswitch and the adjusting assembly are sequentially installed on a support in a layer type from bottom to top, the adjusting assembly adjusts the distance between a moving contact assembly and a static contact assembly of the microswitch, and the temperature sensing assembly moves to enable the microswitch to act through the transmission assembly.

The support column is composed of a rivet, a porcelain sleeve and a porcelain ring, the rivet is sleeved with a support plate, the porcelain ring and the porcelain sleeve, the porcelain sleeve is sleeved with a spring plate, a porcelain ring II, a fixed contact assembly, a wiring board, a porcelain ring III, a wiring board, a movable contact assembly and a porcelain ring IV, and the rivet is sleeved with a fixing plate and then riveted and fixed.

The rivet is also sleeved with a gasket, and the gasket is positioned below the fixing plate, so that riveting and fastening are facilitated.

The supporting plate is fixed with a corrugated diaphragm capsule assembly, the corrugated diaphragm capsule assembly is connected with the capillary tube, the capillary tube is connected with the temperature sensing package, and the supporting plate, the corrugated diaphragm capsule assembly, the capillary tube and the temperature sensing package form the temperature sensing assembly.

The end of the spring plate is provided with small holes, the tip of the transmission rod extends into the small hole in the spring plate, the tip of the other extends into the small hole in the movable contact assembly, and the spring plate and the transmission rod form the transmission assembly.

The fixed plate is provided with a screw hole, the adjusting screw is screwed into the central screw in the middle and is inserted into the ejector rod in the lower part, the flat end of the ejector rod is contacted with the central screw, the tip end of the ejector rod is contacted with the moving contact assembly, the adjusting screw is sleeved with the positioning piece in the outer part, and the fixed plate, the adjusting screw, the central screw, the ejector rod and the positioning piece form an adjusting assembly.

The static contact component and the wiring board thereof, the movable contact component and the wiring board thereof form a microswitch.

Compared with the prior art, the simple liquid expansion type temperature controller has the following positive effects: any existing temperature controller has a base and a shell (upper cover), the simple liquid expansion type temperature controller does not need the base and the shell (upper cover), the possessed function is completely suitable for a household electric oven, a household disinfection cabinet, an electric iron, a household deep fryer and the like, the simple liquid expansion type temperature controller has the advantages of simple structure and low manufacturing cost, and the simple liquid expansion type temperature controller is successful application of a value engineering principle in the technical field of temperature controllers.

Drawings

Fig. 1 is a front view of the present embodiment.

Fig. 2 is a right side view of the present embodiment (with a part of the temperature sensing unit omitted).

Fig. 3 is a sectional view taken along line a-a in fig. 1.

Fig. 4 is a plan view of the present embodiment.

In the figure, the device comprises a screw rod 1, an adjusting screw rod 2, a fixing plate 3, a push rod 4, a moving contact assembly 5, a transmission rod 6, a spring plate 7, a corrugated membrane box assembly 8, a static contact assembly 9, a wiring board 10, a central screw 11, a support plate 12, a positioning sheet 13, a gasket 14, a porcelain bushing 15-1, porcelain rings , 15-2, porcelain rings II, 15-3, porcelain rings III, 15-4, porcelain rings IV, 16, a rivet 17, a temperature sensing bag 18 and a capillary tube.

Detailed Description

The present invention will be described with reference to the following embodiments and accompanying drawings.

The embodiment is a simple single-phase liquid expansion type temperature controller.

Referring to fig. 1 and 4, simple liquid expansion temperature controllers comprise a temperature sensing component, a transmission component, a microswitch and an adjusting component, wherein the temperature sensing component, the transmission component, the microswitch and the adjusting component are sequentially installed on a support in a layer type from bottom to top, the adjusting component adjusts the distance between a moving contact component and a static contact component of the microswitch, and the temperature sensing component moves to enable the microswitch to act through the transmission component.

Referring to fig. 4, the support is composed of a rivet 16, a porcelain bushing 14 and a porcelain ring, the rivet 16 is sleeved with a support plate 11, the porcelain ring 15-1 and the porcelain bushing 14, the porcelain bushing 14 is sleeved with a spring plate 6, a porcelain ring II 15-2, a static contact component 8, a wiring board 9, a porcelain ring III 15-3, a wiring board 9, a movable contact component 4 and a porcelain ring IV 15-4, and the rivet 16 is sleeved with a fixing plate 2 and then riveted and fixed.

Referring to fig. 3, a gasket 13 is further sleeved outside the rivet 16, and the gasket 13 is located below the fixing plate 2, so as to facilitate riveting and fastening.

Referring to fig. 1-3, the support plate 11 is fixed with the corrugated diaphragm capsule assembly 7, the corrugated diaphragm capsule assembly 7 is connected with the capillary tube 18, the capillary tube 18 is connected with the temperature sensing bulb 17, and the support plate 11, the corrugated diaphragm capsule assembly 7, the capillary tube 18 and the temperature sensing bulb 17 form a temperature sensing assembly.

Referring to fig. 1-3, the end of the spring plate 6 is provided with small holes, the tip of the transmission rod 5 extends into the small hole in the spring plate 6, the tip of the transmission rod extends into the small hole in the movable contact assembly 4, and the spring plate 6 and the transmission rod 5 form a transmission assembly.

Referring to fig. 1-4, a screw hole is formed in the fixed plate 2, the adjusting screw 1 is screwed into the screw hole, a central screw 10 is screwed into the adjusting screw 1, a mandril 3 is inserted into the adjusting screw 1, the flat end of the mandril 3 is contacted with the central screw 10, the tip end of the mandril 3 is contacted with the moving contact assembly 4, a positioning piece 12 is sleeved outside the adjusting screw 1, and the fixed plate 2, the adjusting screw 1, the central screw 10, the mandril 3 and the positioning piece 12 form an adjusting assembly.

Referring to fig. 1-3, the fixed contact assembly 8 and its terminal plate 9, and the movable contact assembly 4 and its terminal plate 9 constitute a micro switch.

The invention is described above by way of example with reference to the embodiments and the accompanying drawings. It is clear that the invention is not limited to the specific implementation described above. As long as the method conception and the technical scheme of the invention are adopted to carry out various insubstantial improvements or not, the conception and the technical scheme of the invention are directly applied to other occasions (such as a two-phase liquid expansion temperature controller and a three-phase liquid expansion temperature controller) and are within the protection scope of the invention.

Claims

The simple liquid expansion type temperature controller is characterized in that the temperature sensing component, the transmission component, the microswitch and the adjusting component are sequentially installed on a support in a layer type from bottom to top, the adjusting component adjusts the distance between a moving contact component and a static contact component of the microswitch, and the temperature sensing component moves to enable the microswitch to act through the transmission component;

the support is composed of a rivet (16), a porcelain sleeve (14) and a porcelain ring, wherein the rivet (16) is sleeved with a support plate (11), the porcelain ring (15-1) and the porcelain sleeve (14), the porcelain sleeve (14) is sleeved with a spring plate (6), a porcelain ring II (15-2), a static contact component (8), a wiring board , a porcelain ring III (15-3), a wiring board II, a movable contact component (4) and a porcelain ring IV (15-4), and the rivet (16) is sleeved with a fixing plate (2) and then is riveted and fixed;

the support plate (11) is fixedly provided with a corrugated diaphragm box assembly (7), the corrugated diaphragm box assembly (7) is connected with a capillary tube (18), the capillary tube (18) is connected with a temperature sensing package (17), and the support plate (11), the corrugated diaphragm box assembly (7), the capillary tube (18) and the temperature sensing package (17) form a temperature sensing assembly;

small holes are formed in the end portion of the spring plate (6), the tip end of the transmission rod (5) extends into the small hole in the spring plate (6), the tip end of the transmission rod extends into the small hole in the movable contact assembly (4), and the spring plate (6) and the transmission rod (5) form a transmission assembly;

the fixed plate (2) is provided with a screw hole, the adjusting screw rod (1) is screwed into the central screw (10) from top to bottom and is inserted into the ejector rod (3), the flat end of the ejector rod (3) is contacted with the central screw (10), the tip end of the ejector rod is contacted with the movable contact assembly (4), the adjusting screw rod (1) is externally sleeved with a positioning piece (12), and the fixed plate (2), the adjusting screw rod (1), the central screw (10), the ejector rod (3) and the positioning piece (12) form an adjusting assembly;

the static contact component (8) and the wiring board thereof, the movable contact component (4) and the wiring board II thereof form a micro switch.
2. The simple liquid-expansion temperature controller of claim 1, wherein a washer (13) is further sleeved outside the rivet (16), and the washer (13) is located below the fixing plate (2).