CN215761908U - Electric control temperature-regulating rotary valve structure - Google Patents
Electric control temperature-regulating rotary valve structure Download PDFInfo
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- CN215761908U CN215761908U CN202121764402.0U CN202121764402U CN215761908U CN 215761908 U CN215761908 U CN 215761908U CN 202121764402 U CN202121764402 U CN 202121764402U CN 215761908 U CN215761908 U CN 215761908U
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Abstract
An electric control temperature-regulating rotary valve structure relates to a temperature-regulating rotary valve. The two sides in the valve body shell are divided into a liquid inlet cavity and a conversion cavity, a warm air pipe connecting port is communicated with the conversion cavity, a sensing end of a cooling liquid temperature sensor extends into the liquid inlet cavity, the valve body shell is provided with a thermostat mounting hole communicated with the liquid inlet cavity and a water outlet port communicated with the conversion cavity, two branch pipes of an integrated water outlet pipe seat assembly are respectively communicated and fixed with the thermostat mounting hole and the water outlet port, a wax thermostat is mounted in the thermostat mounting hole to control on-off, a columnar valve core is rotatably mounted in the conversion cavity, an execution motor is packaged at the opening end of the conversion cavity and is connected with a transmission columnar valve core, and the execution motor controls the columnar valve core to rotate to switch on-off between the warm air pipe connecting port or the water outlet port and the conversion cavity. The cylindrical valve core rotates more smoothly to reduce the risk of clamping stagnation, and the integrated wax type thermostat has the function of clamping stagnation protection and is stronger in reliability.
Description
Technical Field
The utility model relates to a temperature regulating rotary valve, in particular to an electric control temperature regulating rotary valve structure, and belongs to the technical field of engine accessories.
Background
At present, in the domestic engine industry, ball valve type thermostats are mostly adopted for adjusting cooling systems, and are respectively arranged at a water inlet and a water outlet of an engine according to different cooling systems so as to adjust the size circulation of the engine. However, the ball valve has a structure that, on one hand, the ball valve is stuck and leaks water in the use stage, and on the other hand, the sticking is delayed, so that the temperature of the cooling liquid which cannot ensure the optimal working temperature continuously rises, and the ball valve is easily damaged by overheating. Therefore, in order to reduce the risk of overheating of the engine, an electrically controlled temperature-adjusting rotary valve structure with a clamping stagnation protection function is needed to keep the engine at an optimal working temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an electric control temperature-regulating rotary valve structure, a columnar valve core of the electric control temperature-regulating rotary valve structure can rotate more smoothly to reduce the clamping stagnation risk, and a wax type thermostat is integrated to have the clamping stagnation protection function, so that the reliability is higher.
In order to achieve the purpose, the utility model adopts the following technical scheme: an electric control temperature-adjusting rotary valve structure comprises a wax type thermostat, a columnar valve core, a cooling liquid temperature sensor, a valve body shell, an execution motor, an integrated water outlet pipe seat assembly and a warm air pipe connecting nozzle, wherein the two sides of the valve body shell are divided into a liquid inlet cavity and a conversion cavity by a middle position, the liquid inlet cavity is communicated with the conversion cavity, the warm air pipe connecting nozzle is fixedly arranged on the valve body shell and is communicated with the conversion cavity, the cooling liquid temperature sensor is fixedly arranged on the valve body shell, the sensing end of the cooling liquid temperature sensor extends into the liquid inlet cavity, the valve body shell is integrally provided with a thermostat mounting hole position and a water outlet port, the thermostat mounting hole position is communicated with the liquid inlet cavity, the water outlet port is communicated with the conversion cavity, the integrated water outlet pipe seat assembly is an F-shaped pipeline, and two pipes of the integrated water outlet pipe seat are respectively communicated and fixed with the thermostat mounting hole position and the water outlet port, the wax type thermostat is arranged in a thermostat mounting hole position to control the connection and disconnection of a branch pipe corresponding to the liquid inlet cavity and the integrated water outlet pipe seat assembly, the columnar valve core is rotatably arranged in the conversion cavity, the valve body shell is positioned at the opening end of the conversion cavity and is packaged with a cover plate fixed with an actuating motor, the actuating motor is connected with and drives the columnar valve core, and the columnar valve core is driven by the actuating motor to rotate to control the conversion cavity to be communicated with the warm air pipe connecting nozzle, the conversion cavity to be communicated with the water outlet port or the conversion cavity to be communicated with the warm air pipe connecting nozzle and the water outlet port simultaneously.
Compared with the prior art, the utility model has the beneficial effects that: the cylindrical valve core is arranged in the valve body shell, the structure of the ball valve is smoother to rotate compared with that of a ball valve, the clamping stagnation risk is reduced, the structural layout is more reasonable, the wax type thermostat is additionally arranged between the valve body shell and the integrated water outlet pipe seat assembly, the clamping stagnation protection function is achieved, when the cylindrical valve core is clamped and cannot rotate, the temperature of the cooling liquid is gradually increased until the initial opening temperature of the wax type thermostat is reached, the branch pipes corresponding to the liquid inlet cavity of the valve body shell and the integrated water outlet pipe seat assembly are communicated to discharge the cooling liquid, the protection effect is achieved, the overheating damage caused by the fact that the temperature of the cooling liquid of an engine continuously rises is avoided, the normal work of the engine is guaranteed, and the reliability is higher.
Drawings
FIG. 1 is a disassembled isometric view of an electrically controlled thermostatic rotary valve structure of the present invention;
fig. 2 is a schematic view of the structure of the electrically controlled thermostatic rotary valve of the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1-2, an electric control temperature-adjusting rotary valve structure comprises a wax thermostat 1, a cylindrical valve core 3, a coolant temperature sensor 5, a valve body housing 6, an actuating motor 7, an integrated water outlet pipe seat assembly 8 and a warm air pipe connecting nozzle 14.
Referring to fig. 2, the valve body housing 6 is divided into a liquid inlet chamber and a conversion chamber by a middle position, and the liquid inlet chamber and the conversion chamber are communicated with each other. Specifically, a partition plate can be fixed at the middle position in the valve body shell 6, a plurality of through holes are formed in the partition plate to ensure the communication between a liquid inlet cavity and a conversion cavity, the opening end of the liquid inlet cavity is a liquid inlet end, and cooling liquid is discharged through a warm air pipe connecting nozzle 14 or an integrated water outlet pipe seat assembly 8 when the cooling liquid is switched by the rotation of the columnar valve core 3 in the conversion cavity.
As shown in fig. 1, the warm air filler neck 14 is fixedly installed on the valve body housing 6 and is communicated with the conversion chamber, and a thermoplastic sealing fixing mode can be adopted. Furthermore, a hot air valve sealing piece 2 is fixed on the inner wall of the valve body shell 6 corresponding to the position of the hot air filler neck 14 to improve the sealing performance. And the cooling liquid temperature sensor 5 is fixedly arranged on the valve body shell 6, and the sensing end of the cooling liquid temperature sensor extends into the liquid inlet cavity to timely sense the water outlet temperature of the engine. Further, the coolant temperature sensor 5 is clamped and limited at the installation position of the valve body shell 6 through an elastic retainer ring 9 to ensure the assembly stability. A thermostat mounting hole position and a water outlet port are integrally formed in the valve body shell 6, the thermostat mounting hole position is communicated with the liquid inlet cavity, the water outlet port is communicated with the conversion cavity, the integrated water outlet pipe seat assembly 8 is an F-shaped pipeline, two pipes of the integrated water outlet pipe seat assembly are communicated and fixed with the thermostat mounting hole position and the water outlet port through water outlet pipe seat fixing bolts 13, and a main pipe of the integrated water outlet pipe seat assembly is used for discharging cooling liquid. Furthermore, a water outlet valve sealing element 4 is fixed inside the water outlet port of the valve body shell 6 to improve the sealing performance. In addition, a first sealing ring 10 is additionally arranged at the connecting position of the integrated outlet pipe seat assembly 8 and the thermostat mounting hole position of the valve body shell 6, and a second sealing ring 12 is additionally arranged at the connecting position of the integrated outlet pipe seat assembly 8 and the water outlet port of the valve body shell 6, so that the leakage at the connecting position of the integrated outlet pipe seat assembly 8 is avoided.
As shown in fig. 2, the cylindrical valve core 3 is rotatably installed inside the conversion cavity, and the structure of the cylinder rotates more smoothly to reduce the phenomenon of clamping stagnation. Specifically, a cavity groove is concavely arranged at one end of the columnar valve core 3, which faces to the partition plate, two discharge ports are formed in the wall of the cavity groove, cooling liquid enters the cavity groove from the liquid inlet cavity through a through hole in the partition plate, and further, the inner bottom surface of the columnar valve core 3 is rotatably connected with the partition plate through a center pin so as to improve the rotation stability.
Referring to fig. 1, a cover plate fixed with an actuating motor 7 is packaged at the opening end of a conversion cavity of a valve body shell 6 through a motor fixing bolt 11, the actuating motor 7 is connected with a transmission cylindrical valve core 3 through a spline structure, the cylindrical valve core 3 is controlled to rotate through the actuating motor 7, two discharge ports of the cylindrical valve core 3 can rotate on a circumferential path where a warm air pipe connecting port 14 and a water outlet port are located, so that the conversion cavity is controlled to be communicated with the warm air pipe connecting port 14, one discharge port corresponds to the warm air pipe connecting port 14 while the other discharge port is blocked by the inner wall of the conversion cavity, the conversion cavity is communicated with the water outlet port, one discharge port corresponds to the water outlet port while the other discharge port is blocked by the inner wall of the conversion cavity, the conversion cavity is simultaneously communicated with the warm air pipe connecting port 14 and the water outlet port, and the two discharge ports respectively correspond to the warm air pipe connecting port 14 and the water outlet port.
Referring to fig. 2, the wax thermostat 1 is installed in a thermostat installation hole to control the connection and disconnection of a branch pipe corresponding to a liquid inlet cavity and an integrated water outlet pipe seat assembly 8, the wax thermostat 1 comprises a wax bag, a valve and a conical spring, the valve is used for plugging the thermostat installation hole, the conical spring is supported outside the valve to provide inward elastic force for the valve to block the thermostat installation hole, the wax bag is fixed inside the valve through an installation seat, and the wax bag expands when heated and can overcome the elastic force of the conical spring to move away the valve to open the thermostat installation hole.
In the using state of the utility model, the cooling liquid of the engine enters the conversion cavity through the opening end of the liquid inlet cavity of the valve body shell 6, the warm air pipe connecting mouth 14 is connected with the warm air system, the main pipe of the integrated water outlet pipe seat assembly 8 is connected with the heat radiation system, the columnar valve core 3 is controlled to rotate by the execution motor 7 according to requirements, so that the cooling liquid in the conversion cavity can flow to the warm air system, the heat dissipation system or simultaneously flow to the warm air system and the heat dissipation system, if the columnar valve core 3 is blocked and can not rotate, the temperature of the cooling liquid in the liquid inlet cavity of the valve body shell 6 is gradually increased until the initial opening temperature of the wax type thermostat 1 is reached, namely, the wax packet is liquefied and expanded by heating and overcomes the elasticity of the conical spring to move away the valve so as to open the installation hole position of the thermostat, and the cooling liquid in the liquid inlet cavity directly flows to the heat dissipation system through the integrated water outlet pipe seat assembly 8 corresponding to the branch pipe, so that the protection effect is achieved, and the overheating damage caused by the continuous rising of the temperature of the engine cooling liquid is avoided.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. An automatically controlled temperature regulation rotary valve structure which characterized in that: the integrated water outlet pipe seat assembly comprises a wax type thermostat (1), a columnar valve core (3), a cooling liquid temperature sensor (5), a valve body shell (6), an execution motor (7), an integrated water outlet pipe seat assembly (8) and a warm air pipe connecting pipe nozzle (14), wherein the two sides of the valve body shell (6) are divided into a liquid inlet cavity and a conversion cavity by a middle position, the liquid inlet cavity and the conversion cavity are communicated, the warm air pipe connecting pipe nozzle (14) is fixedly arranged on the valve body shell (6) and communicated with the conversion cavity, the cooling liquid temperature sensor (5) is fixedly arranged on the valve body shell (6) and an induction end of the cooling liquid temperature sensor extends into the liquid inlet cavity, the valve body shell (6) is integrally provided with a thermostat mounting hole position and a water outlet port, the thermostat mounting hole position is communicated with the liquid inlet cavity, the water outlet port is communicated with the conversion cavity, the integrated water outlet pipe seat assembly (8) is an F-shaped pipeline, and two pipes of the integrated water outlet pipe seat assembly are respectively communicated and fixed with the thermostat mounting hole position and the water outlet port, the wax type thermostat (1) is arranged in a thermostat mounting hole position to control the connection and disconnection of a liquid inlet cavity and an integrated water outlet pipe seat assembly (8) corresponding to a branch pipe, the columnar valve core (3) is rotatably arranged in a conversion cavity, a valve body shell (6) is positioned at the opening end of the conversion cavity and is packaged with a cover plate fixed with an actuating motor (7), the actuating motor (7) is connected with the transmission columnar valve core (3), and the columnar valve core (3) is driven by the actuating motor (7) to rotate to control the conduction of the conversion cavity and a warm air pipe connecting nozzle (14), the conduction of the conversion cavity and a water outlet port or the conduction of the conversion cavity and the warm air pipe connecting nozzle (14) and the water outlet port.
2. An electrically controlled thermostatic rotary valve structure according to claim 1, characterized in that: wax formula thermostat (1) is including wax package, valve and conical spring, the valve is used for shutoff thermostat installation hole site, conical spring supports and blocks to its elasticity that provides inboard to the valve outside messenger thermostat installation hole site, the wax package is fixed inside the valve through the mount pad, and the wax package is heated the inflation and can overcome conical spring's elasticity and remove the valve and make thermostat installation hole site open.
3. An electrically controlled thermostatic rotary valve structure according to claim 1 or 2, characterized in that: the cooling liquid temperature sensor (5) is clamped and limited at the installation position of the valve body shell (6) through an elastic check ring (9).
4. An electrically controlled thermostatic rotary valve structure according to claim 1, characterized in that: and a warm air valve sealing piece (2) is fixed on the inner wall of the valve body shell (6) and at a position corresponding to the warm air filler neck (14).
5. An electrically controlled thermostatic rotary valve structure according to claim 1, characterized in that: and a water outlet valve sealing element (4) is fixed in the valve body shell (6) positioned in the water outlet port.
6. An electrically controlled thermostatic rotary valve structure according to claim 1, characterized in that: a first sealing ring (10) is arranged at the connecting position of the integrated water outlet pipe seat assembly (8) and a thermostat mounting hole position of the valve body shell (6), and a second sealing ring (12) is arranged at the connecting position of the integrated water outlet pipe seat assembly (8) and a water outlet interface of the valve body shell (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764402.0U CN215761908U (en) | 2021-07-30 | 2021-07-30 | Electric control temperature-regulating rotary valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121764402.0U CN215761908U (en) | 2021-07-30 | 2021-07-30 | Electric control temperature-regulating rotary valve structure |
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| Publication Number | Publication Date |
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| CN215761908U true CN215761908U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121764402.0U Active CN215761908U (en) | 2021-07-30 | 2021-07-30 | Electric control temperature-regulating rotary valve structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542261A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Water temperature sensor end fixing structure for temperature regulator |
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2021
- 2021-07-30 CN CN202121764402.0U patent/CN215761908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114542261A (en) * | 2022-03-09 | 2022-05-27 | 广西玉柴机器股份有限公司 | Water temperature sensor end fixing structure for temperature regulator |
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