A highly efficient and energy-saving automobile thermostat

By adopting a multi-layer sealing structure and high-temperature and corrosion-resistant sealing material in the automotive thermostat, the problem of poor sealing of existing thermostats is solved, and the connection sealing and service life are improved.

CN112228206BActive Publication Date: 2025-05-02RUIAN WANTAI AUTO ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202011216394.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-11-04
Publication Date
2025-05-02
Estimated Expiration
2040-11-04

AI Technical Summary

Technical Problem

Existing automotive thermostats are prone to poor sealing after assembly and disassembly and long-term use, resulting in reduced service life and frequent oscillation.

Method used

A high-efficiency and energy-saving automotive thermostat was designed, using multi-layer sealing structures such as seals, connecting sleeves, sealing rings, baffles and sealing sleeves, which simplifies the assembly and disassembly process of the temperature sensing head, and through high-temperature and corrosion-resistant sealing materials and structural design, the sealing parts are avoided after long-term use.

Benefits of technology

It significantly improves the connection seal between the temperature sensor head and the extension tube, extends the service life of the thermostat, and avoids oscillation caused by poor sealing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a high-efficiency and energy-saving automobile thermostat, which belongs to the technical field of automobile cooling systems. A connecting sleeve is fixedly sleeved on the surface of a thermostat body, and an assembly shell is connected to the surface of the connecting sleeve by threads. A limiting ring and a wire are provided at one end of the thermostat body, and an extension tube is fixedly connected to the other end of the thermostat body. A sealing sleeve is sleeved on the surface of the extension tube, and a threaded sleeve is connected to one end of the extension tube by threads. A sealing member is connected to the sealing member in the threaded sleeve. The sealing member provided in the high-efficiency and energy-saving automobile thermostat is not only convenient for the assembly and disassembly of a temperature sensing head, but also will not be deformed after long-term use, thereby greatly improving the connection sealing performance between the temperature sensing head and the extension tube. In addition, the connecting sleeve, sealing ring, baffle and sealing sleeve provided not only facilitate the assembly of the thermostat, but also perform multi-layer sealing, thereby ensuring the connection sealing performance of the temperature sensor.
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Description

Technical Field

[0001] The present invention relates to the field of automobile technology, and more particularly to a high-efficiency energy-saving automobile thermostat. Background Art

[0002] Most thermostats on the market are placed in the water outlet of the engine. Although this arrangement is simple in structure and easy to discharge bubbles in the cooling system, the thermostat will often open and close during operation, causing oscillation and reducing the service life of the thermostat.

[0003] At present, in order to open the thermostat as soon as possible and ensure that the engine is cooled down in time, the market has developed a thermostat product that can be arranged at the water inlet of the engine. However, the temperature sensing head set in the existing thermostat is cumbersome and time-consuming to assemble with the extension pipe, and the sealing effect is not good. In addition, the connection between the thermostat and the assembly and the temperature sensing head may cause local deformation after long-term use, resulting in poor sealing. For this reason, we have designed a high-efficiency and energy-saving automobile thermostat to solve the above problems. Summary of the invention

[0004] In view of the problems existing in the prior art, the purpose of the present invention is to provide a high-efficiency energy-saving automobile thermostat. The sealing component provided in the high-efficiency energy-saving automobile thermostat not only facilitates the installation and disassembly of the temperature sensing head, but also the sealing component will not be deformed after long-term use, thereby greatly improving the connection sealing between the temperature sensing head and the extension tube. In addition, the provided connecting sleeve, sealing ring, baffle and sealing sleeve not only facilitate the assembly of the thermostat, but also perform multi-layer sealing, thereby ensuring the connection sealing of the temperature sensor.

[0005] To solve the above problems, the present invention adopts the following technical solutions.

[0006] A high-efficiency and energy-saving automobile thermostat, comprising a thermostat body, a connecting sleeve fixedly sleeved on the surface of the thermostat body, an assembly housing connected to the surface of the connecting sleeve by threads, a limiting ring and a wire provided at one end of the thermostat body, an extension tube fixedly connected to the other end of the thermostat body, a sealing sleeve sleeved on the surface of the extension tube, a threaded sleeve connected to one end of the extension tube by threads, a sealing member sealed in the threaded sleeve, the sealing member comprising a sealing tube portion, a first sealing convex ring, a second sealing convex ring, a sealing hole and an anti-slip groove, the sealing hole The inner sealing sleeve is connected to a temperature sensing head, the surface of the temperature sensing head is provided with an anti-slip ring, one end of the temperature sensing head is fixedly connected to a limiting plate, one surface of the limiting plate is in contact and connected with one end face of the sealing tube portion. The sealing component provided in the high-efficiency and energy-saving automobile thermostat is not only convenient for the installation and disassembly of the temperature sensing head, but also the sealing component will not be deformed after long-term use, thereby greatly improving the connection sealing between the temperature sensing head and the extension tube, and the provided connecting sleeve, sealing ring, baffle and sealing sleeve not only facilitate the assembly of the thermostat, but also perform multi-layer sealing to ensure the connection sealing of the temperature sensor.

[0007] Furthermore, the surface of the sealing sleeve is in contact with and connected to the inner wall of the assembly housing, and one end of the sealing sleeve is in contact with and connected to a baffle.

[0008] Furthermore, the baffle is fixedly sleeved on the surface of the thermostat body, and the sealing sleeve is made of sealing rubber, which has the functions of sealing and compressing elastic force, thereby preventing the extension tube from shaking.

[0009] Furthermore, the anti-slip groove is arranged on the inner wall of the sealing hole, and the inner wall of the anti-slip groove is in contact and connected with the surface of the anti-slip ring.

[0010] Furthermore, the cross-sectional shape of the anti-slip ring and the anti-slip groove is semicircular, which improves the installation firmness of the seal.

[0011] Furthermore, a sealing ring is rotatably sleeved on the surface of the extension tube.

[0012] Furthermore, one surface of the sealing ring is in contact with one end surface of the threaded sleeve. The sealing ring is made of high temperature and corrosion resistant rubber and has compression elasticity and sealing functions. The elasticity enables the threaded sleeve to have a loosening function.

[0013] Furthermore, one end of the connecting sleeve is in contact with a sealing ring, the surface of the sealing ring is in contact with the inner wall of the assembly housing, and the sealing ring is made of sealing rubber and has a sealing function.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) The sealing member provided in this scheme is not only convenient for the assembly and disassembly of the temperature sensor, but also will not be deformed after long-term use, thereby greatly improving the sealing performance of the connection between the temperature sensor and the extension tube. In addition, the connecting sleeve, sealing ring, baffle and sealing sleeve provided not only facilitate the assembly of the thermostat, but also perform multi-layer sealing, thereby ensuring the sealing performance of the connection of the temperature sensor.

[0016] (2) The surface of the sealing sleeve is in contact with the inner wall of the assembly shell, and one end of the sealing sleeve is in contact with a baffle, which is fixedly sleeved on the surface of the thermostat body. The sealing sleeve is made of sealing rubber, which has the functions of sealing and compressing elastic force, and can prevent the extension tube from shaking.

[0017] (3) The anti-slip groove is arranged on the inner wall of the sealing hole, the inner wall of the anti-slip groove is in contact with the surface of the anti-slip ring, and the cross-sectional shape of the anti-slip ring and the anti-slip groove is semicircular, thereby improving the installation firmness of the seal.

[0018] (4) A sealing ring is rotatably sleeved on the surface of the extension tube, and one surface of the sealing ring is in contact with one end surface of the threaded sleeve. The sealing ring is made of high-temperature and corrosion-resistant rubber, and has compression elasticity and sealing functions. The elasticity enables the threaded sleeve to have a loosening function.

[0019] (5) One end of the connecting sleeve is in contact with a sealing ring, and the surface of the sealing ring is in contact with the inner wall of the assembly housing. The sealing ring is made of sealing rubber and has a sealing function. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a cross-sectional view of the installation structure of the extension tube and the temperature sensing head of the present invention;

[0022] Figure 3 It is a cross-sectional view of the sealing structure of the present invention.

[0023] Description of the numbers in the figure:

[0024] 1 thermostat body, 11 limiting ring, 12 wire, 13 sealing ring, 14 connecting sleeve, 15 baffle, 16 sealing sleeve, 17 extension tube, 18 temperature sensing head, 181 anti-slip ring, 182 limiting plate, 2 assembly housing, 3 sealing member, 31 sealing pipe portion, 32 sealing hole, 33 anti-slip groove, 34 first sealing convex ring, 35 second sealing convex ring, 4 threaded sleeve, 41 sealing ring. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 1-3 , a high-efficiency and energy-saving automobile thermostat, comprising a thermostat body 1, see Figure 1-3 The surface of the thermostat body 1 is fixedly sleeved with a connecting sleeve 14, and the surface of the connecting sleeve 14 is connected to the assembly housing 2 through a thread. A limiting ring 11 and a wire 12 are provided at one end of the thermostat body 1. The wire 12 is a power connection line and is electrically connected to the internal parts of the thermostat body 1. The other end of the thermostat body 1 is fixedly connected with an extension tube 17. The extension tube 17 allows the temperature sensing head 18 to contact with the engine water outlet, thereby improving the temperature sensitivity and increasing the water temperature reaction rate. It belongs to the prior art. The surface of the extension tube 17 is sleeved with a sealing sleeve 16, and one end of the extension tube 17 is connected to a threaded sleeve 4 through a thread, and the sealing sleeve in the threaded sleeve 4 is connected There is a seal 3, the material of the seal 3 is high temperature resistant and corrosion resistant sealing rubber, which has the characteristics of excellent sealing and long service life. The seal 3 is provided with a sealing tube portion 31, a first sealing convex ring 34, a second sealing convex ring 35, a sealing hole 32 and an anti-slip groove 33. A temperature sensing head 18 is sealed in the sealing hole 32. The temperature sensing head 18 belongs to the prior art and is used to detect temperature changes. An anti-slip ring 181 is provided on the surface of the temperature sensing head 18. One end of the temperature sensing head 18 is fixedly connected to a limiting plate 182. The limiting plate 182 is used to limit the installation position of the seal 3. One surface of the limiting plate 182 is in contact with an end face of the sealing tube portion 31.

[0027] See also Figure 1 The surface of the sealing sleeve 16 is in contact with the inner wall of the assembly housing 2, and one end of the sealing sleeve 16 is in contact with the baffle 15, which is fixedly sleeved on the surface of the thermostat body 1. The sealing sleeve 16 is made of sealing rubber, which has the functions of sealing and compressing elastic force, and can prevent the extension tube 17 from shaking. The anti-slip groove 33 is arranged on the inner wall of the sealing hole 32, and the inner wall of the anti-slip groove 33 is in contact with the surface of the anti-slip ring 181. The cross-sectional shape of the anti-slip ring 181 and the anti-slip groove 33 is semicircular, which improves the installation firmness of the seal 3.

[0028] See also Figure 1A sealing ring 41 is rotatably sleeved on the surface of the extension tube 17, and one surface of the sealing ring 41 is in contact with and connected to one end surface of the threaded sleeve 4. The sealing ring 41 is made of high-temperature resistant and corrosion-resistant rubber, and has compression elasticity and sealing functions. The elasticity enables the threaded sleeve 4 to have a loosening function. One end of the connecting sleeve 14 is in contact with and connected to a sealing ring 13, and the surface of the sealing ring 13 is in contact with and connected to the inner wall of the assembly housing 2. The sealing ring 13 is made of sealing rubber and has a sealing function.

[0029] When the high-efficiency energy-saving automobile thermostat is in use, the sealing member 3 is first sleeved on the surface of the temperature sensing head 18, and then the threaded sleeve 4 is sleeved between the first sealing convex ring 34 and the second sealing convex ring 35, and then the threaded sleeve 4 is threadedly fastened to one end of the extension tube 17 through a thread, and then the thermostat body 1 is threadedly connected to the assembly shell 2 through the connecting sleeve 14, so that the sealing ring 13 and the sealing sleeve 16 are in contact with the inner wall of the assembly to form a sealed connection. The provided sealing member 3 is not only convenient for the assembly and disassembly of the temperature sensing head 18, but also the sealing member 3 will not be deformed after long-term use, which greatly improves the connection sealing between the temperature sensing head 18 and the extension tube 17, and the provided connecting sleeve 14, sealing ring 13, baffle 15 and sealing sleeve 16 are not only convenient for the assembly of the thermostat, but also perform multi-layer sealing, thereby ensuring the connection sealing of the temperature sensor, so that the sealing performance of the temperature sensor connection will not be affected by local deformation.

[0030] The above is only a preferred specific implementation of the present invention; however, the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and its improved conception within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A highly efficient and energy-saving automobile thermostat, comprising a thermostat body (1), characterized in that: A connecting sleeve (14) is fixedly sleeved on the surface of the thermostat body (1), and the surface of the connecting sleeve (14) is connected to the assembly housing (2) via threads. A limiting ring (11) and a lead (12) are provided at one end of the thermostat body (1), and an extension tube (17) is fixedly connected to the other end of the thermostat body (1). A sealing sleeve (16) is sleeved on the surface of the extension tube (17), and one end of the extension tube (17) is connected to a threaded sleeve (4) via threads. A sealing member (3) is sealingly sleeved inside the threaded sleeve (4), and the sealing member (3) is provided with a sealing tube portion (31) and a first sealing convex ring (34). , a second sealing convex ring (35), a sealing hole (32) and an anti-slip groove (33), the sealing hole (32) having a temperature sensing head (18) sealed therein, the surface of the temperature sensing head (18) being provided with an anti-slip ring (181), one end of the temperature sensing head (18) being fixedly connected to a limit plate (182), one surface of the limit plate (182) being in contact with an end surface of the sealing tube portion (31), the surface of the sealing sleeve (16) being in contact with an inner wall of the assembly housing (2), one end of the sealing sleeve (16) being in contact with a baffle (15), the baffle (15) being fixedly sleeved on the surface of the thermostat body (1); The anti-slip groove (33) is arranged on the inner wall of the sealing hole (32); the inner wall of the anti-slip groove (33) is in contact with the surface of the anti-slip ring (181); the cross-sectional shape of the anti-slip ring (181) and the anti-slip groove (33) is semicircular; a sealing ring (41) is rotatably sleeved on the surface of the extension tube (17); one surface of the sealing ring (41) is in contact with one end surface of the threaded sleeve (4); the sealing ring (41) is made of high temperature resistant and corrosion resistant rubber; one end of the connecting sleeve (14) is in contact with the sealing ring (13); the surface of the sealing ring (13) is in contact with the inner wall of the assembly housing (2).

Citation Information

Patent Citations

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