CN217270449U - High-efficient sealed thermostat assembly - Google Patents

Abstract

The utility model discloses an efficient sealing thermostat assembly, which relates to the technical field of thermostats. The utility model comprises an upper casing, a lower casing and a thermostat main body, the upper casing and the lower casing are fixed by bolts, and a mounting groove is provided on the upper side of the inner wall of the lower casing, which is connected with the outer frame of the thermostat main body. The lower surface of the lower shell is provided with an annular groove, the lower end of the thermostat main body is connected with a sealing ring, which is matched with the annular groove, the lower surface of the lower shell is provided with a through hole, and the inner wall of the through hole is provided with a number of sealing grooves. A sealing piston is connected to the lower surface of the sealing ring, which is matched with the through hole, and a number of sealing rubber rings are arranged on the outer surface of the sealing piston to cooperate with the sealing groove, which effectively improves the sealing effect of the general term of the thermostat. At the same time, the inner wall of the installation groove is provided with The annular first clamping groove, the outer surface of the outer frame of the thermostat main body is connected with a first sealing ring, which is matched with the first clamping groove, and further improves the sealing performance of the thermostat assembly.

Description

A high-efficiency sealed thermostat assembly

technical field

The utility model belongs to the technical field of thermostats, in particular to an efficient sealing thermostat assembly.

Background technique

A thermostat is a valve that controls the coolant flow path. During use, the amount of water entering the radiator is automatically adjusted according to the temperature of the cooling water, and the circulation range of the water is changed to adjust the heat dissipation capacity of the cooling system and ensure that the engine works within a suitable temperature range.

At present, the internal sealing structure of the traditional thermostat is relatively simple. After long-term use, it is easy to cause the seal to wear, which affects the sealing effect of the thermostat, and leads to the phenomenon of cooling water leakage, which in turn affects the normal use of the engine. To this end, we propose a high-efficiency sealed thermostat assembly.

Utility model content

The purpose of the utility model is to provide a high-efficiency sealed thermostat assembly in view of the defects and deficiencies of the prior art.

In order to solve the above-mentioned technical problems, the utility model is realized through the following technical solutions:

The utility model relates to a high-efficiency sealed thermostat assembly, comprising an upper casing, a lower casing and a thermostat main body, the upper casing and the lower casing are fixed by a plurality of bolts, and the inner casing of the lower casing is An installation groove is opened on the upper side of the wall, which is matched with the outer frame of the thermostat main body, an annular groove is formed on the inner lower surface of the lower shell, and a sealing ring is connected to the lower end of the thermostat main body, which is matched with the annular groove , the lower surface of the lower casing is provided with a through hole, the inner wall of the through hole is provided with a number of sealing grooves, the lower surface of the sealing ring is connected with a sealing piston, which is matched with the through hole, and the outer surface of the sealing piston is provided with Several sealing rubber rings are matched with the sealing groove, the inner wall of the installation groove is provided with a first clamping groove, and the outer surface of the outer frame of the thermostat main body is connected with a first sealing ring, which is matched with the first clamping groove, so The inner upper surface of the installation groove is provided with a second clamping groove, and the lower surface of the outer frame of the thermostat main body is connected with a second sealing ring, which is matched with the second clamping groove.

Through the mutual cooperation between the sealing ring and the annular groove, combined with the mutual cooperation between the sealing rubber ring and the sealing groove, under the interaction between the sealing piston and the through hole on the surface of the lower casing, the time when the lower valve plate of the thermostat is closed is effectively improved. At the same time, the mutual cooperation between the first sealing ring and the first clamping groove, combined with the mutual cooperation between the second sealing ring and the second clamping groove, further improves the sealing performance between the thermostat main body and the lower casing. At the same time, it can effectively limit the position of the main body of the thermostat to ensure the stability of the main body of the thermostat.

Preferably, both the first and second clamping grooves are annular structures, and the annular structures of the first and second clamping grooves ensure close contact with the first sealing ring and the second sealing ring , to ensure the sealing effect.

Preferably, a water inlet is connected to the lower side of the right surface of the lower casing.

Preferably, the lower surface of the lower casing is connected with a first water outlet, which communicates with the through hole on the lower surface of the lower casing, the lower end of the sealing piston is matched with the inner wall of the first water outlet, and the sealing piston communicates with the first water outlet through the sealing piston. The cooperation of the inner wall of the water outlet further improves the sealing performance of the thermostat.

Preferably, the surface of the upper casing is connected with a second water outlet.

Preferably, the water inlet, the first water outlet and the inner wall of the second water outlet are all provided with a third sealing ring, through which the sealing between the upper casing and the lower casing and the external connection pipes is ensured sex.

The utility model has the following beneficial effects:

The utility model effectively improves the closing of the lower valve plate of the thermostat under the interaction between the sealing piston and the through hole on the surface of the lower casing through the mutual cooperation of the sealing ring and the annular groove, and the combination of the sealing rubber ring and the sealing groove. At the same time, the mutual cooperation between the first sealing ring and the first clamping groove, combined with the mutual cooperation between the second sealing ring and the second clamping groove, further improves the sealing between the thermostat main body and the lower casing. At the same time, it can effectively limit the position of the main body of the thermostat to ensure the stability of the main body of the thermostat.

Of course, any product implementing the present invention does not necessarily need to simultaneously achieve all of the above-mentioned advantages.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is the structural representation of section A-A in Fig. 2;

Fig. 4 is the enlarged schematic diagram of the B place in Fig. 3;

FIG. 5 is an enlarged schematic view of the structure at C in FIG. 3 .

In the accompanying drawings, the list of components represented by each number is as follows:

1. Upper casing; 2. Lower casing; 3. Thermostat body; 4. Installation groove; 5. Annular groove; 6. Sealing ring; 7. Sealing piston; 8. Sealing rubber ring; 9. Sealing groove ; 10, the first slot; 11, the first sealing ring; 12, the second slot; 13, the second sealing ring; 14, the water inlet; 15, the first water outlet; 16, the second water outlet; 17, third sealing ring.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be understood that the terms "up", "middle", "outside", "inside", etc. indicate orientation or positional relationships, and are only for the convenience of describing the present invention and simplifying the description, rather than It is indicated or implied that the components or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "provided with", "connected", etc., should be understood in a broad sense, for example, "connected" may be a fixed The connection can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

Please refer to FIGS. 1-5 , the present invention is a high-efficiency sealed thermostat assembly, comprising an upper casing 1 , a lower casing 2 and a thermostat main body 3 , an upper casing 1 and a lower casing 2 They are fixed by several bolts. A mounting groove 4 is opened on the upper side of the inner wall of the lower casing 2, which is matched with the outer frame of the thermostat main body 3. An annular groove 5 is opened on the inner lower surface of the lower casing 2. The thermostat The lower end of the main body 3 is connected with a sealing ring 6, which is matched with the annular groove 5. The lower surface of the lower shell 2 is provided with a through hole, and the inner wall of the through hole is provided with a number of sealing grooves 9. The lower surface of the sealing ring 6 is connected with a sealing piston 7, which is connected with The through holes are matched, and a number of sealing rubber rings 8 are arranged on the outer surface of the sealing piston 7, which are matched with the sealing groove 9. The inner wall of the installation groove 4 is provided with a first clamping groove 10, and the outer surface of the outer frame of the thermostat main body 3 is connected with a The first sealing ring 11 is matched with the first clamping groove 10, the inner upper surface of the installation groove 4 is provided with a second clamping groove 12, and the lower surface of the outer frame of the thermostat main body 3 is connected with a second sealing ring 13, which is connected with the second clamping groove 12. The card slot 12 is matched.

Through the mutual cooperation of the sealing ring 6 and the annular groove 5, combined with the mutual cooperation of the sealing rubber ring 8 and the sealing groove 9, under the interaction between the sealing piston 7 and the through hole on the surface of the lower casing 2, the temperature of the thermostat is effectively improved. The sealing effect when the valve plate is closed, at the same time, the mutual cooperation of the first sealing ring 11 and the first card groove 10, combined with the mutual cooperation of the second seal ring 13 and the second card groove 12, further improves the temperature between the thermostat body 3 and the thermostat body 3. The tightness between the lower casings 2 can effectively limit the position of the thermostat main body 3 , thereby ensuring the stability of the thermostat main body 3 .

A water inlet 14 is connected to the lower side of the right surface of the lower casing 2, a first water outlet 15 is connected to the lower surface of the lower casing 2, and communicates with the through hole on the lower surface of the lower casing 2. The lower end of the sealing piston 7 is connected to the first water outlet 15. The inner wall is matched, and the surface of the upper casing 1 is connected with a second water outlet 16. The sealing of the thermostat is further improved by the cooperation of the sealing piston 7 with the inner wall of the first water outlet 15.

The inner walls of the water inlet 14, the first water outlet 15 and the second water outlet 16 are all provided with a third sealing ring 17, which ensures the sealing between the upper casing 1 and the lower casing 2 and the external connecting pipes sex.

The first card groove 10 and the second card groove 12 are both annular structures. The annular structure of the first card groove 10 and the second card groove 12 ensures the tight contact with the first sealing ring 11 and the second sealing ring 13. The sealing effect is guaranteed.

Embodiment: Under the mutual cooperation of the first sealing ring 11 and the first card groove 10, and the mutual cooperation of the second sealing ring 13 and the second card groove 12, the thermostat main body 3 and the lower casing 2 are ensured. At the same time, the mutual cooperation between the first sealing ring 11 and the first card groove 10 can effectively limit the position of the thermostat main body 3 and ensure the stability of the thermostat main body 3, wherein the second water outlet 16 and the third sealing ring 17 on the inner wall ensure the tightness of the connecting pipe between the upper casing 1 and the cooling water tank, and the water inlet 14 and the third sealing ring 17 on the inner wall ensure the lower casing 2 and the engine. At the same time, the first water outlet 15 and the third sealing ring 17 on its inner wall ensure the tightness of the connecting pipeline between the lower casing 2 and the water pump;

The upper surface of the lower shell 2 is provided with a groove, and the lower surface of the upper shell 1 is provided with a seal, which cooperates with the groove to ensure the sealing between the upper shell 1 and the lower shell 2;

When the overall temperature is low, the cooling water enters the inner cavity of the lower shell 2 through the water inlet 14. Due to the low temperature, the paraffin inside the thermostat body 3 is solid, so that the outer circulation of the thermostat is closed and the inner circulation is opened. Under the mutual cooperation of the seal ring 11 and the first card groove 10, and the mutual cooperation of the second seal ring 13 and the second card groove 12, the seal between the upper casing 1 and the lower casing 2 is combined to ensure the external The tightness when the cycle is closed, so that the cooling water flows into the water pump through the first water outlet 15, and then enters the engine to complete a small cycle. When the overall temperature is high, the heated cooling water enters the inner cavity of the lower casing 2, so that the joint The paraffin inside the main body 3 of the thermostat melts, so that the thermostat is fully opened. At this time, the sealing piston 7 is moved down, inserted into the inner cavity of the first water outlet 15, and the first water outlet 15 is blocked, and the first water outlet 15 After closing, with the movement of the sealing piston 7 to the inner cavity of the first water outlet 15, the sealing rubber ring 8 is driven into the corresponding sealing groove 9, and the sealing ring 6 is driven into the annular groove 5 completely. The tightness of the first water outlet 15 when it is closed prevents leakage.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one 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.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A high-efficiency sealed thermostat assembly, comprising an upper casing (1), a lower casing (2) and a thermostat body (3), characterized in that: the upper casing (1) and the lower casing The bodies (2) are fixed by a number of bolts, and a mounting groove (4) is provided on the upper side of the inner wall of the lower housing (2), which is matched with the outer frame of the thermostat body (3). (2) An annular groove (5) is formed on the inner lower surface, and a sealing ring (6) is connected to the lower end of the thermostat main body (3), which cooperates with the annular groove (5). A through hole is formed on the lower surface of the through hole, a plurality of sealing grooves (9) are formed on the inner wall of the through hole, and a sealing piston (7) is connected to the lower surface of the sealing ring (6), which is matched with the through hole, and the sealing piston (7) A number of sealing rubber rings (8) are arranged on the outer surface to cooperate with the sealing groove (9). The inner wall of the installation groove (4) is provided with a first clamping groove (10). ) on the outer surface of the outer frame is connected with a first sealing ring (11), which is matched with the first snap groove (10), and a second snap groove (12) is opened on the inner upper surface of the mounting groove (4). A second sealing ring (13) is connected to the lower surface of the outer frame of the thermostat main body (3), which is matched with the second snap groove (12). 2 . The high-efficiency sealed thermostat assembly according to claim 1 , wherein the first snap groove ( 10 ) and the second snap groove ( 12 ) are both annular structures. 3 . 3 . The high-efficiency sealed thermostat assembly according to claim 2 , wherein a water inlet ( 14 ) is connected to the lower side of the right surface of the lower casing ( 2 ). 4 . 4. A high-efficiency sealed thermostat assembly according to claim 3, characterized in that, a first water outlet (15) is connected to the lower surface of the lower casing (2), which is connected to the lower casing (2) The through holes on the lower surface communicate with each other, and the lower end of the sealing piston (7) is matched with the inner wall of the first water outlet (15). 5 . The high-efficiency sealed thermostat assembly according to claim 4 , wherein a second water outlet ( 16 ) is connected to the surface of the upper casing ( 1 ). 6 . 6 . The high-efficiency sealed thermostat assembly according to claim 5 , wherein the inner walls of the water inlet ( 14 ), the first water outlet ( 15 ) and the second water outlet ( 16 ) are all provided with The third sealing ring (17).

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