Thermostat assembly suitable for spin riveting process

Abstract

The utility model provides a thermostat assembly suitable for a spin riveting process, which belongs to the technical field of thermostat assemblies and comprises a wax package assembly, the wax package assembly comprises a wax package body, a heating rod is arranged at one end of the wax package body, a main valve disc and a bypass valve disc are arranged on the wax package body, and a connecting sleeve is arranged at the upper end of the wax package body. A sealing head is arranged at the upper end of the connecting sleeve, a first sealing ring is arranged in a cavity formed by the sealing head and the connecting sleeve, and the heating rod penetrates through the first sealing ring, so that the diameter of a wax package connecting part is increased, spin riveting installation can be better carried out, accurate positioning is facilitated, stability, reliability and efficiency are high, and higher mechanical stress can be borne; and compared with the prior art, the engine oil cylinder is more suitable for the high-temperature and vibration working environment in an engine, and the cost is lower.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of thermostat components, and specifically relates to a thermostat component suitable for the spin riveting process. Background Technique

[0002] A thermostat is a device that automatically regulates the working temperature of an engine cooling system. It is usually installed in the passage of the engine coolant circulation. The main function of the thermostat is to control the flow of the coolant according to the temperature of the engine to ensure that the engine can maintain within the optimal working temperature range under different working conditions. The thermostat usually includes a capsule (or called a wax pack) filled with wax or other temperature-sensitive materials, and a valve that can open and close the coolant flow.

[0003] At present, the top of the existing thermostat wax pack is provided with a bracket with a cap structure. This bracket is welded and fixed to the outside of the paraffin sleeve through a connecting piece. However, this fixed installation makes it inconvenient to disassemble the bracket from the paraffin sleeve, which brings inconvenience to later maintenance. During the disassembly process, it is easy to cause further damage to the thermostat. Content of the Utility Model

[0004] The technical solution of the utility model aims at the technical problem that the existing technical solutions are too single, and provides a solution significantly different from the existing technology. Specifically, the utility model mainly provides a thermostat component suitable for the spin riveting process to solve the technical problem that the existing wax pack installation method mentioned in the above background technology generally uses welding fixation, which is very difficult to disassemble during later maintenance and is easy to cause further damage to the thermostat.

[0005] The technical solution adopted by the utility model to solve the above technical problems is as follows:

[0006] A thermostat component suitable for the spin riveting process includes a wax pack component. The wax pack component includes a wax pack body. One end of the wax pack body is provided with a heating rod. A main valve disc and a bypass valve disc are arranged on the wax pack body. The main valve disc is located above the bypass valve disc. A connecting sleeve is arranged at the upper end of the wax pack body. A head is arranged at the upper end of the connecting sleeve. A first sealing ring is arranged in the cavity formed by the head and the connecting sleeve, and the heating rod passes through the first sealing ring.

[0007] Furthermore, a connecting hole is arranged at the upper end of the wax pack body, and the heating rod is inserted into the connecting hole.

[0008] Furthermore, a positioning bracket is also arranged on the wax pack body, and the positioning bracket is located between the main valve disc and the bypass valve disc.

[0009] Furthermore, a second sealing ring is arranged in the annular groove on the main valve disc.

[0010] Further, a main spring is disposed between the lower side of the main valve disc and the upper side of the positioning bracket.

[0011] Further, a bypass spring is disposed between the lower side of the positioning bracket and the upper side of the bypass valve disc.

[0012] Further, an annular mounting groove is provided at the lower end of the wax package body, a gasket is provided on the annular mounting groove, and the bypass valve disc is located above the gasket.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] By providing the wax package body, the connection hole, the connection sleeve, the head, the first sealing ring and the positioning bracket, the present utility model realizes an increase in the diameter of the connection part of the wax package, which is more suitable for spin riveting installation, facilitates precise positioning, is stable, reliable and efficient, can also withstand higher mechanical stress, is not easy to loosen, is more suitable for the high-temperature and vibration working environment inside the engine, the spin riveting process can generate a tight seal to prevent coolant leakage, which is crucial for maintaining the pressure and performance of the cooling system, and is more convenient for later maintenance. Compared with the prior art, the cost is lower, and it has certain practical value.

[0015] The following will explain and illustrate the present utility model in detail with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0017] Figure 2 is an exploded schematic diagram of the wax package assembly of the present utility model.

[0018] In the figure: 1. wax package assembly; 11. wax package body; 111. connection hole; 112. annular mounting groove; 12. main valve disc; 121. second sealing ring; 13. bypass valve disc; 14. connection sleeve; 15. head; 16. first sealing ring; 17. gasket; 18. main spring; 181. bypass spring; 19. positioning bracket; 2. heating rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present utility model are given in the drawings, but the present utility model can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are only for illustrative purposes.

[0021] Unless otherwise defined, all technical and scientific terms used in this article have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used in the description of the present utility model in this article are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used in this article includes any and all combinations of one or more of the related listed items.

[0022] Please refer specifically to the appendix Figure 1-2 , a thermostat assembly suitable for the spin riveting process, including a wax package assembly 1. The wax package assembly 1 includes a wax package body 11. One end of the wax package body 11 is provided with a heating rod 2. A main valve disc 12 and a bypass valve disc 13 are arranged on the wax package body 11. The main valve disc 12 is located above the bypass valve disc 13. The upper end of the wax package body 11 is provided with a connecting sleeve 14. The upper end of the connecting sleeve 14 is provided with a head 15. A first sealing ring 16 is arranged in the cavity formed by the head 15 and the connecting sleeve 14. The heating rod 2 passes through the first sealing ring 16.

[0023] With the above structure, the diameter of the wax package connection is increased, enabling better spin riveting installation, facilitating precise positioning, being stable, reliable and efficient, and being able to withstand higher mechanical stress, not easily loosening, and being more suitable for the high-temperature and vibration working environment inside the engine. The spin riveting process can produce a tight seal to prevent coolant leakage, which is crucial for maintaining the pressure and performance of the cooling system. Moreover, during later maintenance, it is convenient to disassemble and replace, having certain practical value.

[0024] Please refer specifically to the appendix Figure 2, a connection hole 111 is provided at the upper end of the wax package body 11, and the heating rod 2 is inserted into the connection hole 111. Through the connection hole 111, it is convenient to insert the heating rod 2. A positioning bracket 19 is also provided on the wax package body 11. The positioning bracket 19 is located between the main valve disc 12 and the bypass valve disc 13. Through the positioning bracket 19, the overall installation of the wax package assembly 1 in the thermostat housing is realized. A second sealing ring 121 is provided in the annular groove on the main valve disc 12. Through the second sealing ring 121, the sealing between the thermostat and the cooling system is ensured, preventing coolant leakage. A main spring 18 is provided between the lower side of the main valve disc 12 and the upper side of the positioning bracket 19, and a bypass spring 181 is provided between the lower side of the positioning bracket 19 and the upper side of the bypass valve disc 13. Through the mutual cooperation between the main spring 18 and the bypass spring 181, when the wax cools and shrinks, the spring can help close the valve and prevent the coolant from flowing. An annular installation groove 112 is provided at the lower end of the wax package body 11. A gasket 17 is provided on the annular installation groove 112, and the bypass valve disc 13 is located above the gasket 17. Due to manufacturing tolerances, the contact surface between the bypass valve disc 13 and the housing may not be completely flat, and the gasket 17 can compensate for these unevennesses to ensure the sealing effect.

[0025] The above has made an exemplary description of the present invention in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above methods. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A thermostat assembly applicable to the spin riveting process, comprising a wax package assembly (1), the wax package assembly (1) including a wax package body (11), one end of the wax package body (11) being provided with a heating rod (2), characterized in that, A main valve disc (12) and a bypass valve disc (13) are arranged on the wax package body (11). The main valve disc (12) is located above the bypass valve disc (13). A connecting sleeve (14) is arranged at the upper end of the wax package body (11). A sealing head (15) is arranged at the upper end of the connecting sleeve (14). A first sealing ring (16) is arranged in the cavity formed by the sealing head (15) and the connecting sleeve (14). The heating rod (2) passes through the first sealing ring (16).

2. The thermostat assembly applicable to the spin riveting process according to claim 1, wherein A connecting hole (111) is arranged at the upper end of the wax package body (11), and the heating rod (2) is inserted into the connecting hole (111).

3. The thermostat assembly applicable to the spin riveting process according to claim 2, wherein, A positioning bracket (19) is further arranged on the wax package body (11), and the positioning bracket (19) is located between the main valve disc (12) and the bypass valve disc (13).

4. The thermostat assembly applicable to the spin riveting process according to claim 1, characterized in that, A second sealing ring (121) is arranged in the annular groove on the main valve disc (12).

5. The thermostat assembly applicable to the spin riveting process according to claim 4, wherein, A main spring (18) is arranged between the lower side of the main valve disc (12) and the upper side of the positioning bracket (19).

6. The thermostat assembly applicable to the spin riveting process according to claim 5, characterized in that A bypass spring (181) is arranged between the lower side of the positioning bracket (19) and the upper side of the bypass valve disc (13).

7. The thermostat assembly applicable to the spin riveting process according to claim 3, wherein An annular mounting groove (112) is arranged at the lower end of the wax package body (11). A gasket (17) is arranged on the annular mounting groove (112), and the bypass valve disc (13) is located above the gasket (17).

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