Vehicle wax type thermostat

By setting a limit rod and positioning block structure on the wax-type thermostat, the problem of leakage caused by loosening after installation is solved, achieving higher stability and sealing effect.

CN223707766UActive Publication Date: 2025-12-23SDZ AUTO PARTS
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Patent Information

Application Number
CN202520525809.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2025-12-23
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

Existing wax-type thermostats are prone to loosening after installation, leading to leakage problems.

Method used

By setting a limiting rod and a positioning block structure on the thermostat body, and utilizing the cooperation between the limiting rod and the limiting groove, as well as the effect of the connecting spring, the thermostat body is stably positioned to prevent loosening.

Benefits of technology

This improves the stability of the thermostat body after installation and prevents leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile spare parts, and discloses an automobile wax type thermostat which comprises a thermostat body and a mounting seat, and the thermostat body is composed of a valve seat, a sealing rubber ring, a main valve, an upper support, a wax pipe, a connecting seat, a center push rod, a reset spring, a bypass valve and a lower support. Limiting rods which are symmetrically arranged are fixedly connected to the top of the valve seat, the two mounting seats are symmetrically arranged, and mounting plates are symmetrically mounted on the two sides of each mounting seat. When the limiting rod moves in the limiting groove, the positioning clamping block is extruded into the movable groove until the positioning groove formed in the limiting rod moves to one side of the positioning clamping block, at the moment, the positioning clamping block can be pushed into the positioning groove under the action of the connecting spring, the positioning effect on the limiting rod is achieved, and at the moment, the valve seat also achieves the positioning effect; therefore, the stability of the thermostat main body after installation is obviously improved, and liquid leakage caused by looseness is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, concretely relates to a wax type thermostat for vehicle. BACKGROUND

[0002] The automobile thermostat is a valve for controlling the flow path of the engine cooling liquid, the product automatically adjusts the water quantity entering the radiator according to the cooling water temperature, so that the engine works in the appropriate temperature range, and can save energy consumption and the like. Because the engine is very oil-consuming in the low temperature state, and is large in damage to the vehicle, which includes easy carbon deposition and a series of problems.

[0003] The thermostat used for the engine is mainly the wax type thermostat, which controls the cooling liquid circulation mode through the thermal expansion and cold shrink principle of the paraffin wax in the interior. When installing the wax type thermostat, the wax type thermostat is generally placed in the mounting hole of the thermostat seat for installation, at this time the sealing rubber ring on the valve seat is in contact with the inner wall of the top of the mounting hole of the thermostat seat, and is sealed only through the sealing rubber ring on the valve seat, if loosening occurs after installation, then the liquid leakage is extremely easy to occur.

[0004] Therefore, the utility model is provided. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the above technical problems, the basic idea of the technical scheme of the utility model is:

[0006] A wax type thermostat for vehicle, which comprises a thermostat main body and a mounting seat, the thermostat main body is composed of a valve seat, a sealing rubber ring, a main valve, an upper support, a wax pipe, a connecting seat, a center push rod, a reset spring, a bypass valve and a lower support, the top of the valve seat is fixedly connected with symmetrical limiting rods, two mounting seats are symmetrically arranged, mounting plates are symmetrically arranged on the two sides of the mounting seat, mounting holes are arranged on the mounting plates, a limiting groove is arranged on the top of the mounting seat, the limiting rods are matched with the limiting groove, a movable groove is arranged on the inner wall of one side of the limiting groove, a positioning clamping block with a wedge structure is slidably arranged on the inner wall of the movable groove, a positioning groove is arranged on the limiting rod, the positioning clamping block is matched with the positioning groove, a connecting spring is arranged on the inner wall of one side of the movable groove, and one end of the connecting spring is connected to the outer wall of one side of the positioning clamping block.

[0007] As a preferred embodiment of the utility model, the sealing rubber ring is arranged on the outer wall of the valve seat, and the main valve is arranged on the valve seat.

[0008] As a preferred embodiment of the utility model, the upper support is arranged on the top of the valve seat, the connecting seat is connected to the top of the upper support, and the top end of the center push rod is connected to the connecting seat.

[0009] As a preferred embodiment of the utility model, the lower support is installed at the bottom position of the valve seat, and the wax pipe is installed on the lower support.

[0010] As a preferred embodiment of the utility model, the wax pipe is provided with paraffin and a rubber tube, the bottom end of the center push rod is connected with the rubber tube, and the paraffin is wrapped outside the rubber tube.

[0011] As a preferred embodiment of the utility model, the top end of the reset spring is connected at the bottom position of the valve seat, the bottom end of the reset spring is connected on the lower support, the bypass valve is arranged at the lowermost position of the thermostat main body, and the bypass valve is installed below the wax pipe.

[0012] As a preferred embodiment of the utility model, the movable opening is formed in the top of the mounting seat, the push-pull rod is slidably connected to the inner wall of the movable opening, and the bottom end of the push-pull rod is fixedly connected to the top outer wall of the positioning clamping block.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] When the thermostat main body is installed, the thermostat main body is installed in the through hole of the thermostat seat, so that the sealing rubber ring on the valve seat is in contact with the inner wall of the top of the through hole, the limiting rod is aligned with the limiting groove, the limiting rod is inserted into the limiting groove, the positioning clamping block is extruded into the movable groove when the limiting rod moves in the limiting groove, and the positioning clamping block is pushed into the positioning groove under the action of the connecting spring when the positioning groove formed in the limiting rod moves to one side of the positioning clamping block, so that the positioning effect of the limiting rod is realized, and the valve seat is also positioned, so that the stability of the thermostat main body after installation is significantly improved, and the liquid leakage caused by loosening is avoided.

[0015] The specific embodiments of the utility model will be described in further detail below with reference to the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] In the drawings:

[0017] Fig. 1 It is a whole structure schematic view of a wax type thermostat for vehicle of the utility model;

[0018] Fig. 2 It is a side view structure schematic view of a wax type thermostat for vehicle of the utility model;

[0019] Fig. 3 It is a mounting seat and limiting rod structure schematic view of a wax type thermostat for vehicle of the utility model;

[0020] Fig. 4The utility model relates to a mounting seat and limiting rod section structure schematic view of a wax type thermostat for vehicle.

[0021] In the drawing: 1, valve seat; 2, mounting seat; 3, limiting rod; 4, sealing rubber ring; 5, main valve; 6, upper support; 7, wax pipe; 8, connecting seat; 9, center push rod; 10, reset spring; 11, bypass valve; 12, lower support; 13, limiting groove; 14, mounting plate; 15, movable slot; 16, positioning clamping block; 17, positioning groove; 18, connecting spring; 19, movable port; 20, push-pull rod. DETAILED DESCRIPTION

[0022] To make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the embodiment will be clearly and completely described below in conjunction with the drawings in the utility model embodiment, and the following embodiment is used to illustrate the utility model.

[0023] As Figs. 1 to 4 shown: a wax type thermostat for vehicle, including thermostat main part and mounting seat 2, the thermostat main part is by valve seat 1, sealing rubber ring 4, main valve 5, upper support 6, wax pipe 7, connecting seat 8, center push rod 9, reset spring 10, bypass valve 11 and lower support 12 are formed, and the valve seat 1 top fixedly connected with the limiting rod 3 of symmetrical arrangement, mounting seat 2 symmetrical arrangement has two, and the two sides of mounting seat 2 are fixedly installed with mounting plate 14, and the mounting plate 14 is provided with the mounting hole of symmetrical arrangement, and mounting seat 2 is fixedly installed on the thermostat seat by cooperation screw, and the top of mounting seat 2 is provided with limiting groove 13, and limiting rod 3 is matched with limiting groove 13, and the inner wall of one side of limiting groove 13 is provided with movable slot 15, and the movable slot 15 inner wall is slidably provided with the positioning clamping block 16 of wedge structure, and the limiting rod 3 is provided with positioning groove 17, and the positioning clamping block 16 is matched with positioning groove 17, and the movable slot 15 one side inner wall is installed with connecting spring 18, and one end of connecting spring 18 is connected on the outer wall of one side of positioning clamping block 16, when installing the thermostat main part, the limiting rod 3 is aligned with the limiting groove 13, so that the limiting rod 3 is inserted into the limiting groove 13, when the limiting rod 3 moves in the limiting groove 13, the positioning clamping block 16 is extruded into the movable slot 15, until the positioning groove 17 of the limiting rod 3 moves to one side of the positioning clamping block 16, at this moment, the positioning clamping block 16 can be pushed into the positioning groove 17 under the action of connecting spring 18, realize the positioning effect of limiting rod 3, at this moment, the valve seat 1 also obtains the positioning effect, so that the stability of the thermostat main part after installation is significantly improved, the top of mounting seat 2 is provided with movable port 19, and the movable port 19 inner wall is slidably connected with push-pull rod 20, and the bottom end of push-pull rod 20 is fixedly connected on the top outer wall of positioning clamping block 16.

[0024] In the specific embodiment, the sealing rubber ring 4 is arranged on the outer wall of the valve seat 1, the main valve 5 is arranged on the valve seat 1, the upper support 6 is arranged on the top of the valve seat 1, the connecting seat 8 is connected to the top of the upper support 6, the top end of the center push rod 9 is connected to the connecting seat 8, the lower support 12 is arranged on the bottom of the valve seat 1, the wax pipe 7 is arranged on the lower support 12, the top end of the reset spring 10 is connected to the bottom of the valve seat 1, the bottom end of the reset spring 10 is connected to the lower support 12, the bypass valve 11 is arranged at the lowermost part of the thermostat main body, and the bypass valve 11 is arranged below the wax pipe 7. When the thermostat main body is installed, the bypass valve 11 is aligned with the hole of the thermostat seat, and the thermostat main body is placed in the hole. After the thermostat main body is placed in the hole, the sealing rubber ring 4 on the valve seat 1 is in contact with the inner wall of the top of the hole, the installation of the thermostat main body is realized, and the sealing rubber ring 4 plays a sealing role. The wax pipe 7 is provided with paraffin and a rubber tube, the bottom end of the center push rod 9 is connected to the rubber tube, and the paraffin is arranged outside the rubber tube.

[0025] The implementation principle of the wax thermostat for vehicle in the embodiment is as follows: in specific use, the mounting seat 2 is fixedly installed on the thermostat seat by a screw. When the thermostat main body is installed, the bypass valve 11 is aligned with the hole of the thermostat seat, and the thermostat main body is placed in the hole. After the thermostat main body is placed in the hole, the sealing rubber ring 4 on the valve seat 1 is in contact with the inner wall of the top of the hole, the installation of the thermostat main body is realized, and the sealing rubber ring 4 plays a sealing role. At the same time, the limiting rod 3 is aligned with the limiting groove 13, so that the limiting rod 3 is inserted into the limiting groove 13. When the limiting rod 3 moves in the limiting groove 13, the positioning block 16 is extruded into the movable groove 15, until the positioning groove 17 formed in the limiting rod 3 moves to one side of the positioning block 16. At this time, the positioning block 16 can be pushed into the positioning groove 17 under the action of the connecting spring 18, the positioning effect of the limiting rod 3 is realized, and the positioning effect of the valve seat 1 is also realized, so that the stability of the thermostat main body after installation is significantly improved.

[0026] It should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular form is intended to include the plural form, unless the context clearly indicates otherwise. In addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, the presence of a feature, step, operation, device, component, and / or combination thereof is indicated.

[0027] It should be noted that the terms "first", "second", and the like in the description and in the claims of the present application and in the above-described drawings are used only for distinguishing between similar objects and do not necessarily have to describe a specific sequential or chronological order. It is to be understood that the data so distinguished can be interchanged, under appropriate circumstances, such that, for example, that which is described as the first embodiment can be carried out in a second embodiment and vice versa.

[0028] The preferred embodiments of the present application are described above with the aid of drawings, and are not limited to the embodiments shown, but can be modified in various ways. It should be understood that the application can be implemented in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the disclosures and descriptions provided herein are not intended to limit the scope of the application, but are merely illustrative. Any modification, equivalent replacement, improvement, and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A wax-type thermostat for a vehicle, comprising a thermostat main body and a mounting seat (2), characterized in that, The thermostat body is composed of valve seat (1), sealing rubber ring (4), main valve (5), upper support (6), wax pipe (7), connecting seat (8), center push rod (9), reset spring (10), bypass valve (11) and lower support (12), the valve seat (1) top fixedly connected with the limit rod (3) which is symmetrically arranged, the mounting seat (2) is symmetrically provided with two, the mounting seat (2) both sides symmetrically mounted with mounting plate (14), the mounting plate (14) is provided with symmetrically arranged mounting hole, the mounting seat (2) top is provided with limiting groove (13), the limiting groove (13) is matched with the limiting groove (13), the movable slot (15) is formed in the inner wall of the movable slot (15), the movable slot (15) is provided with the wedge-shaped structure of the positioning block (16), the limiting rod (3) is provided with the positioning groove (17), the positioning block (16) is matched with the positioning groove (17), the movable slot (15) one side inner wall is installed with connecting spring (18), one end of the connecting spring (18) is connected to the outer wall of the positioning block (16).

2. A wax-type thermostat for a vehicle according to claim 1, wherein The sealing rubber ring (4) is arranged on the outer wall of the valve seat (1), and the main valve (5) is installed on the valve seat (1).

3. A wax-type thermostat for a vehicle according to claim 1, wherein The upper support (6) is installed on the top of the valve seat (1), the connecting seat (8) is connected to the top of the upper support (6), and the center push rod (9) is connected to the connecting seat (8).

4. A wax-type thermostat for a vehicle according to claim 1, wherein The lower support (12) is installed on the bottom of the valve seat (1), and the wax pipe (7) is installed on the lower support (12).

5. A wax-type thermostat for a vehicle according to claim 1, wherein The wax pipe (7) is provided with paraffin and rubber tube, the center push rod (9) is connected with the rubber tube, and the paraffin is wrapped outside the rubber tube.

6. A wax-type thermostat for a vehicle according to claim 1, wherein The reset spring (10) top end is connected to the bottom of the valve seat (1), the reset spring (10) bottom end is connected to the lower support (12), the bypass valve (11) is arranged at the lowermost of the thermostat body, and the bypass valve (11) is installed below the wax pipe (7).

7. A wax-type thermostat for a vehicle according to claim 1, wherein The mounting seat (2) top is provided with movable mouth (19), the movable mouth (19) inner wall is slidably connected with push-pull rod (20), and the push-pull rod (20) bottom end is fixedly connected to the top outer wall of the positioning block (16).