CN212055820U

CN212055820U - Thermostat assembly sealing mechanism

Info

Publication number: CN212055820U
Application number: CN202020002103.2U
Authority: CN
Inventors: 夏万伟
Original assignee: Ruian Wantai Auto Electric Applianc Co ltd
Current assignee: Ruian Wantai Auto Electric Applianc Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-12-01
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a thermostat assembly sealing mechanism, which belongs to the thermostat field and comprises an upper shell, a lower shell and an elastic buckle, wherein the inner wall of the upper shell is fixedly provided with a first sealing ring, the surface of the upper shell is equidistantly provided with a first clamping groove, the surface of the lower shell is equidistantly provided with a second clamping groove, the inner wall of the lower shell is respectively fixedly provided with a second sealing ring and a third sealing ring, the upper shell and the lower shell can be rapidly fixed through the arrangement of the structures such as the elastic buckle, the first clamping groove and the second clamping groove, the tightness of pipeline connection is ensured through the action of the first sealing ring, the second sealing ring and the third sealing ring, the thermostat can be buffered and released through the action of a buffer rubber ring and a fourth sealing ring, the sealing effect is improved, under the arrangement of the fifth sealing ring, the tightness of a wax cavity is ensured, through the arrangement of the sixth sealing ring, the sealing performance of the second valve cover is improved, the overall sealing effect is finally improved, and the service life is prolonged.

Description

Thermostat assembly sealing mechanism

Technical Field

The utility model relates to a thermostat field, more specifically says, relates to a thermostat assembly sealing mechanism.

Background

The engine cooling system ensures that the engine is kept in a proper temperature range under all working conditions, the cooling system is used for preventing the engine from overheating and preventing the engine from being overcooled in winter, the temperature of the cooling liquid is automatically adjusted by a thermostat, and the cooling water is cooled by a water tank radiator during large circulation; when the circulation is small, the cooling liquid directly enters the water pump, so that the temperature of the engine is rapidly increased to reach the temperature required by normal operation.

However, for the traditional thermostat, the upper shell and the lower shell are mostly fixedly installed through bolts, so that the thermostat is inconvenient for people to operate, can generate certain oscillation under the working condition of self-running, runs for a long time, has a shortened service life, and is poor in overall sealing property.

Therefore, a large number of thermostat assembly sealing mechanisms appear in the prior art, and the existing thermostat assembly sealing mechanism cannot pass through the elastic buckle, the first clamping groove, the second clamping groove and other structures, the upper shell and the lower shell are rapidly fixed, the first sealing ring, the second sealing ring and the third sealing ring cannot be used, the sealing performance of pipeline connection is guaranteed, the thermostat cannot pass through the buffer rubber ring and the fourth sealing ring, the thermostat is buffered and released, the sealing effect is improved, the sealing performance of a wax cavity cannot be guaranteed under the arrangement of the fifth sealing ring, the sealing performance of the second valve cover is improved, the overall sealing effect is finally improved, and the service life is prolonged.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, an object of the utility model is to provide a thermostat assembly sealing mechanism, it passes through elastic buckle, first draw-in groove, the setting of second draw-in groove isotructure, can be quick to last casing, the casing is fixed down, through first sealing ring, the second sealing ring, the effect of third sealing ring, guarantee the leakproofness of pipe connection, through the cushion rubber circle, the effect of fourth sealing ring, can cushion the pressure release to the thermostat, and improve sealed effect, under the setting of fifth sealing ring, guarantee the leakproofness in wax chamber, through the setting of sixth sealing ring, improve the leakproofness of second valve door closure, finally improve holistic sealed effect, increase of service life.

In order to solve the above problems, the utility model adopts the following technical proposal.

A thermostat assembly sealing mechanism comprises an upper shell, a lower shell and an elastic buckle, wherein a first sealing ring is fixedly mounted on the inner wall of the upper shell, a first clamping groove is formed in the surface of the upper shell at an equal distance, a second clamping groove is formed in the surface of the lower shell at an equal distance, a second sealing ring and a third sealing ring are respectively and fixedly mounted on the inner wall of the lower shell, a buffer rubber ring is fixedly mounted on the inner wall of the lower shell, a fourth sealing ring is fixedly mounted on the inner wall of the buffer rubber ring, a thermostat shell is fixedly mounted on the inner wall of the fourth sealing ring, an open groove is formed in the inner wall of the thermostat shell, a resin pressure-resistant pad is fixedly mounted on the inner wall of the open groove, an ejector rod is fixedly mounted on the surface of the resin pressure-resistant pad, a first valve cover is slidably mounted on the inner wall of the thermostat shell, and a first spring is mounted between the first valve, the inner wall of the first valve cover is fixedly provided with a temperature sensing body, the temperature sensing body is connected with the avoidance hole in a sliding manner, the temperature sensing body is internally provided with a wax cavity, paraffin is filled in the wax cavity, the inner wall of the wax cavity is provided with a through hole, the inner wall of the through hole is fixedly provided with a fifth sealing ring, the fifth sealing ring is connected with an ejector rod in a sliding manner, the tail end of the temperature sensing body is fixedly provided with a connecting rod, the surface of the connecting rod is sleeved with a second valve cover, a second spring is arranged between the second valve cover and the temperature sensing body, the inner wall of the second valve cover is fixedly provided with a sixth sealing ring, the sixth sealing ring is connected with the connecting rod in a sliding manner, the sixth sealing ring can be quickly fixed on the upper shell and the lower shell through the arrangement of structures such as an elastic buckle, a first clamping groove and a second clamping groove, and the like, and can be quickly fixed through the action of the, the leakproofness of pipe connection is guaranteed, the effect through cushion rubber circle, fourth sealing ring can cushion the release pressure to the temperature saver to improve sealed effect, under the setting of fifth sealing ring, guarantee the leakproofness in wax chamber, through the setting of sixth sealing ring, improve the leakproofness of second valve lid, finally improve holistic sealed effect, increase of service life.

Further, elastic buckle's surperficial equidistance fixed mounting has the arch, sliding connection between arch and first draw-in groove, the second draw-in groove is convenient for under the effect of elastic buckle, arch, first draw-in groove and second draw-in groove, can carry out fixed mounting to last casing, lower casing fast.

Furthermore, the lower terminal surface of temperature saver shell is equipped with dodges the hole, and dodges the aperture in hole and slightly be greater than the diameter of temperature sensing body, and when the temperature sensing body atress of being convenient for, can follow and dodge downthehole wall and remove, and dodge the setting in hole, also be convenient for the installation of temperature sensing body.

Furthermore, the upper surface symmetry of temperature saver shell is equipped with the delivery port, the lower surface symmetry of temperature saver shell is equipped with the water inlet, is convenient for under the effect of water inlet, delivery port, does benefit to the regulation of temperature saver to cooling water, is applicable to the heat dissipation of macrocycle.

Furthermore, the terminal fixed mounting of connecting rod has spacing dish, sliding connection between spacing dish and the second valve door closure is convenient for carry on spacingly under the effect of spacing dish to the second valve door closure.

Compared with the prior art, the utility model has the advantages of:

(1) this scheme is through elasticity buckle, first draw-in groove, the setting of second draw-in groove isotructure, can be quick to last casing, the casing is fixed down, through first sealing ring, the second sealing ring, the effect of third sealing ring, guarantee pipe connection's leakproofness, through the cushion rubber circle, the effect of fourth sealing ring, can cushion the decompression to the temperature saver, and improve sealed effect, under the setting of fifth sealing ring, guarantee the leakproofness in wax chamber, through the setting of sixth sealing ring, improve the leakproofness of second valve door cover, finally improve holistic sealed effect, increase of service life.

(2) The surface equidistance fixed mounting of elasticity buckle has the arch, and sliding connection between arch and first draw-in groove, the second draw-in groove is convenient for under the effect of elasticity buckle, arch, first draw-in groove and second draw-in groove, can carry out fixed mounting to last casing, lower casing fast.

(3) The lower terminal surface of temperature saver shell is equipped with dodges the hole, and dodges the aperture of hole and slightly is greater than the diameter of temperature sensing body, when being convenient for temperature sensing body atress, can follow and dodge the downthehole wall and remove, and dodge the setting in hole, also be convenient for temperature sensing body's installation.

(4) The upper surface symmetry of temperature saver shell is equipped with the delivery port, and the lower surface symmetry of temperature saver shell is equipped with the water inlet, is convenient for under the effect of water inlet, delivery port, does benefit to the regulation of temperature saver to cooling water, is applicable to the heat dissipation of macrocycle.

(5) The terminal fixed mounting of connecting rod has spacing dish, sliding connection between spacing dish and the second valve lid, is convenient for carry on spacingly under the effect of spacing dish to the second valve lid.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic top view of the thermostat housing of the present invention;

fig. 4 is a sectional view of the thermostat of the present invention.

The reference numbers in the figures illustrate:

the improved structure of the thermostat comprises an upper shell 1, a lower shell 2, an elastic buckle 3, a first sealing ring 4, a first clamping groove 5, a second clamping groove 6, a protrusion 7, a second sealing ring 8, a third sealing ring 9, a cushion rubber ring 10, a fourth sealing ring 11, a thermostat shell 12, a relief hole 13, a water outlet 14, a water inlet 15, an open slot 16, a resin pressure-resistant pad 17, a mandril 18, a first valve cover 19, a first spring 20, a temperature-sensitive body 21, a wax cavity 22, a through hole 23, a fifth sealing ring 24, a connecting rod 25, a second valve cover 26, a second spring 27, a sixth sealing ring 28 and a limiting plate 29.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, a thermostat assembly sealing mechanism includes an upper housing 1, a lower housing 2 and an elastic buckle 3, referring to fig. 1-2, a first sealing ring 4 is fixedly mounted on an inner wall of the upper housing 1, first slots 5 are equidistantly formed on a surface of the upper housing 1, second slots 6 are equidistantly formed on a surface of the lower housing 2, protrusions 7 are fixedly mounted on a surface of the elastic buckle 3 at equal intervals, the protrusions 7 are slidably connected with the first slots 5 and the second slots 6, so that the upper housing 1 and the lower housing 2 can be quickly and fixedly mounted under the action of the elastic buckle 3, the protrusions 7, the first slots 5 and the second slots 6, and a second sealing ring 8 and a third sealing ring 9 are respectively and fixedly mounted on an inner wall of the lower housing 2.

Referring to fig. 1, 3 and 4, a buffer rubber ring 10 is fixedly installed on the inner wall of the lower shell 2, a fourth sealing ring 11 is fixedly installed on the inner wall of the buffer rubber ring 10, a thermostat shell 12 is fixedly installed on the inner wall of the fourth sealing ring 11, a relief hole 13 is formed in the lower end surface of the thermostat shell 12, the aperture of the relief hole 13 is slightly larger than the diameter of the temperature sensing body 21, the thermostat shell can move along the inner wall of the relief hole 13 when the temperature sensing body 21 is stressed, the arrangement of the relief hole 13 is convenient, the installation of the temperature sensing body 21 is also convenient, a water outlet 14 is symmetrically formed in the upper surface of the thermostat shell 12, a water inlet 15 is symmetrically formed in the lower surface of the thermostat shell 12, the thermostat is convenient for adjusting cooling water under the action of the water inlet 15 and the water outlet 14, the thermostat shell is suitable for large-cycle heat dissipation, an open slot 16 is formed in the inner wall of the thermostat shell 12, a resin pressure-resistant pad 17 is fixedly, an ejector rod 18 is fixedly installed on the surface of a resin pressure-resistant pad 17, a first valve cover 19 is installed on the inner wall of a thermostat shell 12 in a sliding mode, a first spring 20 is installed between the first valve cover 19 and the thermostat shell 12, a temperature-sensing body 21 is fixedly installed on the inner wall of the first valve cover 19, the temperature-sensing body 21 is in sliding connection with a avoidance hole 13, a wax cavity 22 is formed inside the temperature-sensing body 21, paraffin is filled inside the wax cavity 22, a through hole 23 is formed in the inner wall of the wax cavity 22, a fifth sealing ring 24 is fixedly installed on the inner wall of the through hole 23, the fifth sealing ring 24 is in sliding connection with the ejector rod 18, a connecting rod 25 is fixedly installed at the tail end of the temperature-sensing body 21, a second valve cover 26 is sleeved on the surface of the connecting rod 25, a second spring 27 is installed between the second valve cover 26 and the temperature-sensing body 21, a sixth sealing ring 28 is fixedly installed on the inner wall of the second valve cover 26, and, the terminal fixed mounting of connecting rod 25 has spacing dish 29, and sliding connection between spacing dish 29 and the second valve lid 26 is convenient for carry on spacingly to second valve lid 26 under spacing dish 29's effect.

The thermostat assembly sealing mechanism can enable the elastic buckle 3 to rapidly install the upper shell 1 and the lower shell 2 under the action of the first clamping groove 5, the second clamping groove 6 and the bulge 7, the traditional bolt fixing mode is avoided, the arrangement of the first sealing ring 4 ensures the sealing performance of a connecting pipeline between the upper shell 1 and a cooling water tank, the arrangement of the second sealing ring 8 ensures the sealing performance of a connecting pipeline between the lower shell 2 and an engine, the arrangement of the third sealing ring 9 ensures the sealing performance of a connecting pipeline between the lower shell 2 and a water pump, when the engine is started and operated and the overall temperature is low, when cooling water flows through the temperature sensing body 21 through the lower shell 2 and the water inlet 15, paraffin in the wax cavity 22 is in a solid state due to low temperature, and under the action of the fourth sealing ring 11, the cooling water flows into the water pump through the lower shell 2 and then enters the engine to complete small circulation, when the temperature of the engine rises to a high level, the circulating cooling water rises, the temperature sensing body 21 is heated and then rapidly conducts heat, so that paraffin in the wax cavity 22 is melted, the temperature sensing body 21 is pushed to drive the first valve cover 19 to move downwards under the action of the ejector rod 18, the water outlet 14 is gradually opened, the first spring 20 is compressed under the force, the temperature sensing body 21 pushes the connecting rod 25 to move downwards, the second valve cover 26 is pushed to be in contact with the lower end wall of the lower shell 2, the second spring 27 is compressed under the force, the connecting rod 25 is continuously moved under the force, the limiting disc 29 is driven to be separated from the second valve cover 26, the sealing performance of the second valve cover 26 is improved under the action of the sixth sealing ring 28, the whole body is in a stable state after the volume expansion of the liquid paraffin is stable under the influence of the deformation stress of the second spring 27 and the first spring 20, and at the moment, the cooling water flows into the cooling water tank through the water outlet 14 and the, finally, the heat flows into the engine to complete the large-cycle heat dissipation and ensure the normal working temperature of the engine.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a thermostat assembly sealing mechanism, includes casing (1), casing (2) and elasticity buckle (3) down, its characterized in that: the inner wall fixed mounting who goes up casing (1) has first sealing ring (4), the surface equidistance of going up casing (1) is equipped with first draw-in groove (5), the surface equidistance of casing (2) is equipped with second draw-in groove (6) down, the inner wall of casing (2) fixed mounting respectively has second sealing ring (8), third sealing ring (9) down, the inner wall fixed mounting of casing (2) has cushion rubber circle (10) down, the inner wall fixed mounting of cushion rubber circle (10) has fourth sealing ring (11), the inner wall fixed mounting of fourth sealing ring (11) has thermostat shell (12), the inner wall of thermostat shell (12) is equipped with open slot (16), the inner wall fixed mounting of open slot (16) has resin withstand voltage pad (17), the surface fixed mounting of resin withstand voltage pad (17) has ejector pin (18), the inner wall slidable mounting of thermostat shell (12) has first valve lid (19), install first spring (20) between first valve lid (19) and thermostat shell (12), the inner wall fixed mounting of first valve lid (19) has temperature sensing body (21), temperature sensing body (21) and dodge sliding connection between hole (13), the inside of temperature sensing body (21) is equipped with wax chamber (22), and the inside of wax chamber (22) is filled with paraffin, the inner wall of wax chamber (22) is equipped with through-hole (23), the inner wall fixed mounting of through-hole (23) has fifth sealing ring (24), sliding connection between fifth sealing ring (24) and ejector pin (18), the terminal fixed mounting of temperature sensing body (21) has connecting rod (25), second valve lid (26) has been cup jointed on the surface of connecting rod (25), install second valve spring (27) between second valve lid (26) and the temperature sensing body (21), the inner wall fixed mounting of second valve lid (26) has sixth sealing ring (28), the sixth sealing ring (28) is in sliding connection with the connecting rod (25).

2. The thermostat assembly sealing mechanism of claim 1, wherein: the surface equidistance fixed mounting of elasticity buckle (3) has arch (7), sliding connection between arch (7) and first draw-in groove (5), second draw-in groove (6).

3. The thermostat assembly sealing mechanism of claim 1, wherein: the lower end face of the thermostat shell (12) is provided with an avoiding hole (13), and the aperture of the avoiding hole (13) is slightly larger than the diameter of the temperature sensing body (21).

4. The thermostat assembly sealing mechanism of claim 1, wherein: the upper surface of the thermostat shell (12) is symmetrically provided with water outlets (14), and the lower surface of the thermostat shell (12) is symmetrically provided with water inlets (15).

5. The thermostat assembly sealing mechanism of claim 1, wherein: the tail end of the connecting rod (25) is fixedly provided with a limiting disc (29), and the limiting disc (29) is connected with the second valve cover (26) in a sliding mode.