CN216210691U

CN216210691U - Integrated temperature limiter

Info

Publication number: CN216210691U
Application number: CN202122153146.8U
Authority: CN
Inventors: 肖喜阳; 章爱民; 钟超
Original assignee: Guangdong Deqin Electric Appliance Co ltd
Current assignee: Guangdong Deqin Electric Appliance Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-05
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses an integrated temperature limiter, which comprises: a base provided with a through hole; the upper shell is positioned on one side of the base, the upper shell is connected with the base through an elastic element, the upper shell is provided with a mounting hole matched with the through hole, and one side of the upper shell, which is far away from the base, has heat conductivity; the installing support is located go up the casing with between the base, the installing support cover is located go up the casing, the installing support is provided with pressure switch assembly, temperature detect switch assembly and fuse, the pressure switch assembly is used for detecting pressure and carries out the on-off control, the temperature detect switch assembly is used for detecting the temperature and sends control signal. The integrated temperature limiter provided by the embodiment of the utility model integrates three elements of the pressure switch assembly, the temperature control switch assembly and the fuse to control the circuit, can reduce the number of parts, is simple and convenient to assemble, improves the working efficiency, improves the safety performance and reduces the cost.

Description

Integrated temperature limiter

Technical Field

The utility model relates to the technical field of temperature control, in particular to an integrated temperature limiter.

Background

The temperature limiter is a device for controlling the state switching of electric elements according to the temperature, and is mainly applied to electric heating equipment such as electric cookers, electric kettles, electric baking trays and the like. The existing temperature limiter has single function, only has temperature induction and pressure induction, does not have an overheat protection function, and causes the reduction of safety performance, and has excessive parts and complex installation.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the integrated temperature limiter which integrates three elements of the pressure switch assembly, the temperature control switch assembly and the fuse to control the circuit, can reduce the number of parts, is simple and convenient to assemble, improves the working efficiency, improves the safety performance, reduces the cost and meets the use requirements of users.

The integrated temperature limiter according to the embodiment of the utility model comprises: a base provided with a through hole; the upper shell is positioned on one side of the base, the upper shell is connected with the base through an elastic element, the upper shell is provided with a mounting hole matched with the through hole, and one side of the upper shell, which is far away from the base, is used for abutting against a measured object; the installing support is located go up the casing with between the base, the installing support cover is located go up the casing, the installing support is provided with pressure switch assembly, temperature detect switch assembly and fuse, the pressure switch assembly is used for detecting pressure and carries out the on-off control, the temperature detect switch assembly is used for detecting the temperature and sends control signal.

The integrated temperature limiter provided by the embodiment of the utility model at least has the following beneficial effects: the integrated temperature limiter provided by the embodiment of the utility model integrates three elements of the pressure switch assembly, the temperature control switch assembly and the fuse to control the circuit, can reduce the number of parts, is simple and convenient to assemble, improves the working efficiency, improves the safety performance and reduces the cost. In addition, integral type temperature limiter is provided with the through-hole and the mounting hole of mutual adaptation to be used for installing other accessories, like the elevating system of lift chafing dish etc. thereby make the function more perfect, satisfy user's user demand, and compact structure is reasonable.

According to the integrated temperature limiter provided by the embodiment of the utility model, the pressure switch assembly comprises an ejector rod, a wiring terminal and a contact piece, the ejector rod is arranged on the base, the wiring terminal is arranged on the mounting bracket, the contact piece is connected with the wiring terminal, the contact piece comprises a fixed contact piece and a movable contact piece, the movable contact piece is matched with the ejector rod, the fixed contact piece and the movable contact piece are arranged in a separated mode, when the upper shell is pressed to move downwards, the ejector rod pushes the movable contact piece, and the movable contact piece is contacted with the fixed contact piece.

According to the integrated temperature limiter provided by the embodiment of the utility model, the mounting bracket further comprises a guide frame, the guide frame is positioned between the mounting bracket and the base, the guide frame is sleeved on the upper shell, one end of the guide frame, far away from the base, is abutted against the upper shell, the ejector rod penetrates through the guide frame, and the ejector rod is provided with a limiting block.

According to the integrated temperature limiter provided by the embodiment of the utility model, the guide frame is provided with the supporting rod, and the supporting rod is arranged on the base in a sliding manner.

According to the integrated temperature limiter provided by the embodiment of the utility model, the temperature control switch assembly comprises a temperature sensor and a lead, the temperature sensor is abutted against the upper shell, the lead is connected with the temperature sensor, and the lead sequentially penetrates through the mounting bracket and the base to extend outwards.

According to the integrated temperature limiter provided by the embodiment of the utility model, the temperature sensor is a thermistor.

According to the integrated temperature limiter provided by the embodiment of the utility model, the mounting bracket is provided with the mounting position, the fuse is arranged in the mounting position, and the fuse is abutted against the upper shell.

According to the integrated temperature limiter provided by the embodiment of the utility model, the base is provided with the clamping plate, the clamping plate is provided with the limiting sheet, the upper shell is provided with the bayonet matched with the clamping plate, the clamping plate penetrates through the bayonet, and the clamping plate is used for limiting the moving direction of the upper shell.

According to the integrated temperature limiter provided by the embodiment of the utility model, the elastic element is a spring.

According to the integrated temperature limiter provided by the embodiment of the utility model, the base is provided with a groove matched with the spring, and one end of the spring is arranged in the groove.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of an integrated temperature limiter according to an embodiment of the present invention;

FIG. 2 is an exploded view of an integrated temperature limiter according to an embodiment of the present invention.

Description of reference numerals:

a base 100; a through-hole 110; a card 120; a guide frame 130; a support bar 140; an upper case 200; a spring 210; mounting holes 220; a bayonet 230; a mounting bracket 300; a top bar 310; a fixed contact piece 320; a movable contact piece 330; a connection terminal 340; a stop block 350; a temperature sensor 360; a lead 370; a fuse 380.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1 and 2, an embodiment of the present invention provides an integrated temperature limiter including a base 100, an upper case 200, and a mounting bracket 300.

The base 100 is a rectangular plate structure and plays a main supporting role. The upper housing 200 is located on one side of the base 100, and one side of the upper housing 200 away from the base 100 is used for abutting against the object to be measured. The upper case 200 and the base 100 are connected by an elastic member. When the upper housing 200 is pressed close to the base 100, the spring 210 is in a compressed state; when the pressure is removed, the upper case 200 is restored to its original position by the spring 210. Wherein, the elastic element is a spring 210, and has simple structure and good elastic performance. It is conceivable that the base 100 is provided with a groove adapted to the spring 210, and one end of the spring 210 is disposed in the groove, so that the spring 210 can be prevented from being deviated, and stability is improved. It should be noted that the base 100 may also be provided with a boss adapted to the spring 210, and the spring 210 is sleeved on the boss, so as to achieve the purpose of preventing the offset. It is easy to understand that the base 100 is provided with a card board 120, and the upper casing 200 is provided with a bayonet 230 matched with the card board 120, and the bayonet 230 is sleeved on the card board 120. When the upper housing 200 is pressed close to the base 100, the bayonet 230 moves in the direction of the card board 120 to prevent the upper housing 200 from being shifted when moving. The end of the catch plate 120 is provided with a stopper to limit the moving direction of the upper case 200, thereby preventing the upper case 200 from being separated from the spring 210 and improving stability.

The base 100 is provided with a through hole 110 at the middle portion thereof, and the upper housing 200 is provided with a mounting hole 220 adapted to the through hole 110. Other accessories are installed through the through holes 110 and the installation holes 220, so that the application range can be enlarged, and the application requirements of users are met. Specifically, the integrated temperature limiter is applied to the lifting hot pot, and the lifting mechanism of the lifting hot pot penetrates through the through hole 110 and the mounting hole 220, so that the structure is reasonable and compact, and the installation is convenient.

Referring to fig. 1 and 2, a mounting bracket 300 is positioned between the upper housing 200 and the base 100, and the mounting bracket 300 is sleeved on the upper housing 200 and connected with the upper housing 200. Specifically, the upper case 200 is provided with a receiving cavity adapted to the mounting bracket 300, and the mounting bracket 300 is placed in the receiving cavity. The mounting bracket 300 is provided with a pressure switch assembly, a temperature controlled switch assembly and a fuse 380. The pressure switch assembly is used for detecting pressure and performing on-off control. The pressure switch assembly comprises a push rod 310, a connecting terminal 340 and a contact piece, wherein the push rod 310 is arranged on the base 100, the connecting terminal 340 is arranged on the mounting bracket 300, the contact piece is connected with the connecting terminal 340 and comprises a fixed contact piece 320 and a movable contact piece 330, the movable contact piece 330 is matched with the push rod 310, the fixed contact piece 320 and the movable contact piece 330 are arranged in a separated mode, when the upper shell 200 is pressed to move, the push rod 310 pushes the movable contact piece 330, and the movable contact piece 330 is contacted with the fixed contact piece 320. Specifically, the integrated temperature limiter is applied to an electric cooker, after the integrated temperature limiter is placed in an inner container, the upper shell 200 is pressed to move towards the base 100, the push rod 310 pushes the movable contact piece 330 to make the movable contact piece 330 contact with the fixed contact piece 320, and at the moment, a circuit is connected; after the inner container is taken out, the upper case 200 is reset by the spring 210, the movable contact piece 330 is separated from the fixed contact piece 320, and the circuit is cut off. Through being provided with the pressure switch assembly, can carry out the cut-off control according to the pressure condition, avoid no pot work, improve the security performance.

Referring to fig. 2, the thermostat assembly is used to detect temperature and send out a control signal. Specifically, the temperature control switch assembly includes a temperature sensor 360 and a lead 370, the temperature sensor 360 abuts against the upper housing 200, the lead 370 is connected to the temperature sensor, and the lead 370 sequentially penetrates through the mounting bracket 300 and the base 100 to extend outward. The temperature sensor 360 senses the temperature of the upper shell 200, and when the temperature rises to reach a limit value, the temperature sensor 360 sends out a control signal for controlling the circuit to be disconnected; after the temperature drops, the temperature sensor 360 sends out the control signal again for the control circuit to be switched on. Wherein, temperature-sensing ware 360 is thermistor, and sensitivity is high, and overload capacity is strong. Through being provided with the temperature detect switch assembly, can guarantee the thermostatical, improve the security performance, satisfy user's user demand.

The mounting bracket 300 is provided with a mounting location in which the fuse 380 is disposed, the fuse 380 abutting against the upper housing 200. When the temperature control switch assembly fails, the temperature rises to the fusing temperature of the fuse 380, the fuse 380 fuses to cut off a circuit, so that overheat protection is realized, the safety performance is improved, and the temperature control switch assembly is simple in structure, convenient to install and low in cost.

Referring to fig. 2, in some embodiments, the mounting bracket 300 further includes a guide bracket 130, and the guide bracket 130 is located between the mounting bracket 300 and the base 100 and is fixedly connected to the upper housing 200. Specifically, the upper housing 200 is provided with a step adapted to the guide frame 130, the guide frame 130 is sleeved on the upper housing 200, and one end of the guide frame 130 far away from the base 100 is abutted to the upper housing 200, so that the guide frame 130 is fixedly connected to the upper housing 200, and the structure is simple and the installation is convenient. The top bar 310 is inserted into the guide frame 130, and the top bar 310 is provided with a limiting block 350. The moving direction of the guide frame 130 is limited by the limiting block 350, and then the moving direction of the upper shell 200 is limited, so that the top rod 310 is prevented from pressing and deforming the fixed contact piece 320, the stability is ensured, and the safety performance is improved. It is contemplated that the guide frame 130 is provided with a support bar 140, and the support bar 140 is slidably disposed on the base 100. By providing the support bar 140, the balance can be ensured, and the safety performance can be improved.

The integrated temperature limiter provided by the embodiment of the utility model integrates three elements of the pressure switch assembly, the temperature control switch assembly and the fuse 380 to control the circuit, can reduce the number of parts, is simple and convenient to assemble, improves the working efficiency, improves the safety performance and reduces the cost. In addition, integral type temperature limiter is provided with through-hole 110 and mounting hole 220 of mutual adaptation to be used for installing other accessories, for example the elevating system of lift chafing dish etc. thereby make the function more perfect, satisfy user's user demand, and compact structure is reasonable.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. Integral type temperature limiter, its characterized in that includes:

a base provided with a through hole;

the upper shell is positioned on one side of the base, the upper shell is connected with the base through an elastic element, the upper shell is provided with a mounting hole matched with the through hole, and one side of the upper shell, which is far away from the base, is used for abutting against a measured object;

the installing support is located go up the casing with between the base, the installing support cover is located go up the casing, the installing support is provided with pressure switch assembly, temperature detect switch assembly and fuse, the pressure switch assembly is used for detecting pressure and carries out the on-off control, the temperature detect switch assembly is used for detecting the temperature and sends control signal.

2. The integrated temperature limiter of claim 1, wherein the pressure switch assembly comprises a push rod, a connecting terminal and a contact piece, the push rod is arranged on the base, the connecting terminal is arranged on the mounting bracket, the contact piece is connected with the connecting terminal, the contact piece comprises a fixed contact piece and a movable contact piece, the movable contact piece is matched with the push rod, the fixed contact piece and the movable contact piece are arranged separately, when the upper shell is pressed to move downwards, the push rod pushes the movable contact piece, and the movable contact piece is contacted with the fixed contact piece.

3. The integrated temperature limiter of claim 2, wherein the mounting bracket further comprises a guide frame, the guide frame is located between the mounting bracket and the base, the guide frame is sleeved on the upper shell, one end of the guide frame, which is far away from the base, is abutted against the upper shell, the ejector rod penetrates through the guide frame, and the ejector rod is provided with a limiting block.

4. The integrated temperature limiter of claim 3, wherein the guide frame is configured with a support bar slidably disposed on the base.

5. The integrated temperature limiter of claim 1, wherein the temperature controlled switch assembly comprises a temperature sensor and a lead, the temperature sensor is abutted against the upper shell, the lead is connected with the temperature sensor, and the lead sequentially penetrates through the mounting bracket and the base to extend outwards.

6. The integrated temperature limiter of claim 5, wherein the temperature sensor is a thermistor.

7. The integrated temperature limiter of claim 1, wherein the mounting bracket is provided with a mounting location, the fuse is disposed within the mounting location, and the fuse abuts the upper housing.

8. The integrated temperature limiter of claim 1, wherein the base is provided with a clamping plate, the clamping plate is provided with a limiting piece, the upper shell is provided with a bayonet matched with the clamping plate, the clamping plate is arranged in the bayonet in a penetrating mode, and the clamping plate is used for limiting the moving direction of the upper shell.

9. The integrated temperature limiter of claim 1, wherein the resilient element is a spring.

10. The integrated temperature limiter of claim 9, wherein the base is provided with a groove adapted to the spring, one end of the spring being disposed in the groove.