Engine thermostat assembly
By adopting the design of conical joints and connecting seats in the engine thermostat assembly, combined with the structure of the annular seat and limiting convex teeth, the problem of disassembly difficulties and looseness caused by vibration is solved, and efficient Sealed and convenient disassembly installation.
Patent Information
- Application Number
- CN202421519005.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-07-01
AI Technical Summary
During the disassembly process, due to the small space and the limitation of the connection method of the existing engine thermostat assembly, the connection between the water pipe and the thermostat assembly is difficult to disassemble, which is prone to loosening and liquid leakage due to bumps.
An engine thermostat assembly is designed, using a conical joint and a connecting seat, combining the structure of an annular seat and limiting teeth, sealing is achieved through an elastic sealing ring and a compression ring, and the blind hole is adjusted to facilitate the Lock or loosen in a narrow space to avoid loosening caused by vibration.
It facilitates the disassembly and installation of the thermostat assembly in a narrow space, improves the strength and sealing effect of the connection position, and avoids leakage problems caused by vibration.
Smart Images
Figure CN222315220U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine parts, in particular to an engine thermostat assembly. Background Art
[0002] In the automobile engine cooling system, the thermostat assembly is one of the important components that controls the automobile engine coolant circulation system. The thermostat assembly controls the engine coolant to perform external large circulation and internal small circulation through the internal thermostat. In order to ensure that the engine works within the appropriate temperature range, the thermostat must be kept in good technical condition, otherwise it will seriously affect the normal operation of the engine. When cooling the interior of the car, it is necessary to use the cooperation of the water pipe and the thermostat to complete the coolant delivery and exchange. Therefore, when the thermostat fails, it needs to be repaired or replaced in time. In the prior art, when replacing the thermostat assembly, the water pipe needs to be disassembled and assembled first. If the flange is fixed, although the connection position is firm, due to the small internal space of the front end of the car and the inability to rotate the water pipe, the bolts on the back of the water pipe are difficult to disassemble. If the clamp connection is used, the strength is insufficient. The bumps caused by the movement of the car are easy to loosen the connection between the thermostat assembly and the water pipe, resulting in leakage. In view of this, in-depth research on the above problems has led to the emergence of this case. Utility Model Content
[0003] In view of the deficiencies of the prior art, the utility model provides an engine thermostat assembly, which solves the problems raised in the background technology.
[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: an engine thermostat assembly, comprising a shell and a thermostat body, the thermostat body is assembled in the shell, an interface for connecting with an external water pipe is reserved on the shell, a connecting seat is arranged at one end of the interface, an external thread is provided at one end of the connecting seat, a limited locking piece is slidably installed on the connecting seat, a conical joint is arranged at one end of the water pipe, a limited stop ring is welded on the outer ring surface of the conical joint, an elastic sealing ring is attached to the side wall of the limited stop ring, a clamping ring is sleeved on one side of the limited stop ring, an annular seat is welded on the outside of the clamping ring, a thread groove matching the external thread is provided on the inner ring surface of the annular seat, a rubber sealing ring is attached to the side of the clamping ring close to the limited stop ring, a limited convex tooth is arranged in an annular array on the upper edge of the outer ring surface of the annular seat, and an adjustment blind hole is provided on the upper end surface of the limited convex tooth along the circumference of the annular seat.
[0005] The above-mentioned limit locking component includes a fixed ring, a sliding ring, a limit sleeve and a locking block. The fixed ring is welded on one end of the connecting seat, the sliding ring is slidably sleeved on the connecting seat and is connected to the fixed ring through an elastic support component, the limit sleeve is welded on one side of the sliding ring, and the locking block is welded on the inner ring surface of the limit sleeve along the circumferential direction and the gap between adjacent locking blocks matches the size of the limit convex teeth.
[0006] The above-mentioned elastic support member includes a guide groove, a guide block and a push spring. The guide groove is opened on the outer ring surface of the connecting seat, the guide block is welded to the inner ring surface of the sliding ring and slides with the guide groove, and the push spring is sleeved on the outside of the connecting seat and its two ends are respectively connected to the fixed ring and the sliding ring.
[0007] Three groups of semicircular grooves are provided on the outer wall surface of the conical joint, and rubber sealing rings are sleeved in the semicircular grooves.
[0008] The inner ring surface at the opening end of the connection seat corresponding to the conical joint position is a conical boss structure, and a sealing rubber pad is provided at the contact position between the end surface of the conical joint and the boss structure.
[0009] The outer ring surface of the limiting sleeve is provided with anti-slip grooves.
[0010] The utility model provides an engine thermostat assembly. It has the following beneficial effects: the engine thermostat assembly improves the existing engine thermostat assembly shell, and a connecting seat is set at the interface position reserved on the shell, and the conical joint at one end of the water pipe cooperates with the connecting seat to realize plug-in sealing, and the threaded connection of the joint position is realized by cooperating with the annular seat and the connecting seat, the structure is simple, and the sealing effect is good. In addition, a limiting convex tooth is set on the outer side of the annular seat, and the limiting convex tooth can be limited by the limiting locking piece on the connecting seat, so as to prevent the annular seat from rotating under the action of vibration, resulting in loose connection position and leakage, and at the same time, an adjustment blind hole is opened on the limiting convex tooth, and a screwdriver or a rod-shaped metal wrench can be inserted into it to realize the rotation control of the annular seat, which is convenient for locking or loosening the annular seat in a narrow space, and has strong practicality and is convenient for disassembling the engine thermostat assembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the main structure of an engine thermostat assembly described in the utility model.
[0012] Figure 2 It is a partial cross-sectional structural schematic diagram of the interface position of the utility model.
[0013] Figure 3 It is a schematic diagram of the partial cross-sectional structure of the conical joint of the utility model.
[0014] Figure 4It is a schematic diagram of the axonometric structure of the conical joint described in the utility model.
[0015] In the figure: 1. Shell; 2. Thermostat body; 3. Interface; 4. Connecting seat; 5. Conical joint; 6. Limiting ring; 7. Elastic sealing ring; 8. Compression ring; 9. Annular seat; 10. Rubber sealing ring; 11. Limiting convex teeth; 12. Adjusting blind hole; 13. Fixed ring; 14. Sliding ring; 15. Limiting sleeve; 16. Locking block; 17. Guide groove; 18. Guide block; 19. Push spring; 20. Rubber sealing ring; 21. Sealing pad. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] Embodiment: In conjunction with the specification Figure 1-4It can be seen that in order to solve the problem in the prior art that it is inconvenient to disassemble the connection position between the thermostat assembly and the water pipe, this scheme specifically designs an engine thermostat assembly, the thermostat body 2 is assembled in the shell 1, and the shell 1 is provided with an interface 3 for connecting with an external water pipe, a connecting seat 4 is provided at one end of the interface 3, an external thread is provided at one end of the connecting seat 4, a limited locking piece is slidably installed on the connecting seat 4, a conical joint 5 is provided at one end of the water pipe, a limited retaining ring 6 is welded on the outer ring surface of the conical joint 5, an elastic sealing ring 7 is attached to the side wall of the limited retaining ring 6, a clamping ring 8 is sleeved on one side of the limited retaining ring 6, an annular seat 9 is welded on the outside of the clamping ring 8, a thread groove matching the external thread is provided on the inner ring surface of the annular seat 9, a rubber sealing ring 10 is attached to the clamping ring 8 close to the side of the limited retaining ring 6, a limited convex tooth 11 is provided in an annular array on the upper edge of the outer ring surface of the annular seat 9, and the upper end of the limited convex tooth 11 An adjustment blind hole 12 is provided along the circumference of the annular seat 9, and the existing engine thermostat assembly housing 1 is improved. A connecting seat 4 is provided at the position of the interface 3 reserved on the housing 1, and a plug-in seal is realized by cooperating with the connecting seat 4 through the conical joint 5 at one end of the water pipe, and a threaded connection of the joint position is realized by cooperating with the annular seat 9 and the connecting seat 4. The structure is simple and the sealing effect is good. In addition, a limiting convex tooth 11 is provided on the outer side of the annular seat 9, and the limiting convex tooth 11 can be limited by the limiting locking piece on the connecting seat 4, so as to prevent the annular seat 9 from rotating under the action of vibration, resulting in loose connection position and leakage. At the same time, an adjustment blind hole is provided on the limiting convex tooth 11, and a screwdriver or a rod-shaped metal wrench can be inserted therein to realize the rotation control of the annular seat 9, so as to facilitate the locking or loosening of the annular seat 9 in a narrow space. It is highly practical and convenient for disassembling the engine thermostat assembly.
[0018] In the specific implementation process, as a preferred setting, the above-mentioned limit locking member includes a fixed ring 13, a sliding ring 14, a limit sleeve 15 and a locking block 16. The fixed ring 13 is welded on one end of the connecting seat 4, the sliding ring 14 is slidably sleeved on the connecting seat 4 and is connected to the fixed ring 13 through an elastic support member, the limit sleeve 15 is welded to one side of the sliding ring 14, the outer ring surface of the limit sleeve 15 is provided with anti-slip grooves, the locking block 16 is welded on the inner ring surface of the limit sleeve 15 along the circumferential direction, and the gap between adjacent locking blocks 16 matches the size of the limit convex tooth 11, wherein the elastic support member includes a guide groove 17, a guide block 18 and a push spring 19, the guide groove 17 is provided on the outer ring surface of the connecting seat 4, the guide block 18 is welded on the inner ring surface of the sliding ring 14 and slidably cooperates with the guide groove 17, and the push spring 19 is sleeved on the connecting seat 4. The outer side and both ends of the seat 4 are respectively connected to the fixing ring 13 and the sliding ring 14. When in use, the limiting sleeve 15 is pushed to move to one side of the shell 1 to completely expose the external thread on the conical joint 5. After the conical joint 5 is inserted into the connecting seat 4, the annular seat 9 is rotated so that the annular seat 9 is threadedly connected with the connecting head, effectively improving the structural strength of the connecting position. After the connection is in place, the limiting sleeve 15 is loosened, and under the action of the reset elastic force of the push spring 19, the sliding ring 14 is pushed to slide along the guide groove 17 under the driving action of the guide block 18, thereby pushing the limiting sleeve 15 to move to one side of the conical joint 5, and making the limiting convex tooth 11 just inserted into the notch position between the adjacent locking blocks 16 in the limiting sleeve 15, and then limiting the annular seat 9 to prevent it from rotating under the action of vibration, causing the connection position to loosen.
[0019] In the specific implementation process, as a preferred setting, three groups of semicircular grooves are opened on the outer wall surface of the above-mentioned conical joint 5, and rubber sealing rings 20 are installed in the semicircular grooves. The inner ring surface of the opening end of the connecting seat 4 corresponds to the position of the conical joint 5, which is a conical boss structure, and a sealing rubber pad 21 is provided at the contact position between the end face of the conical joint 5 and the boss structure. The multiple sealing structure design can further improve the sealing performance of the connection position and prevent the coolant from overflowing.
[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An engine thermostat assembly, comprising a housing and a thermostat body, wherein the thermostat body is assembled in the housing, and an interface for connecting to an external water pipe is provided on the housing, characterized in that: A connecting seat is provided at one end of the interface, an external thread is provided at one end of the connecting seat, a limit locking piece is slidably installed on the connecting seat, a conical joint is provided at one end of the water passage pipe, a limit stop ring is welded on the outer ring surface of the conical joint, an elastic sealing ring is attached to the side wall of the limit stop ring, a clamping ring is sleeved on one side of the limit stop ring, an annular seat is welded on the outside of the clamping ring, a thread groove matching the external thread is provided on the inner ring surface of the annular seat, a rubber sealing ring is attached to the side of the clamping ring close to the limit stop ring, a limit convex tooth is provided in an annular array on the upper edge of the outer ring surface of the annular seat, and an adjustment blind hole is provided on the upper end surface of the limit convex tooth along the circumference of the annular seat.
2. An engine thermostat assembly according to claim 1, characterized in that: The limit locking component includes a fixed ring, a sliding ring, a limit sleeve and a locking block. The fixed ring is welded on one end of the connecting seat. The sliding ring is slidably sleeved on the connecting seat and is connected to the fixed ring through an elastic support. The limit sleeve is welded on one side of the sliding ring. The locking block is welded on the inner ring surface of the limit sleeve along the circumferential direction and the gap between adjacent locking blocks matches the size of the limit convex teeth.
3. An engine thermostat assembly according to claim 2, characterized in that: The elastic support member includes a guide groove, a guide block and a push spring. The guide groove is opened on the outer ring surface of the connecting seat. The guide block is welded to the inner ring surface of the sliding ring and slides with the guide groove. The push spring is sleeved on the outer side of the connecting seat and its two ends are respectively connected to the fixed ring and the sliding ring.
4. The engine thermostat assembly according to claim 1, characterized in that: Three groups of semicircular grooves are provided on the outer wall surface of the conical joint, and rubber sealing rings are sleeved in the semicircular grooves.
5. The engine thermostat assembly according to claim 1, characterized in that: The inner ring surface of the opening end of the connection seat corresponding to the position of the conical joint is a conical boss structure, and a sealing gasket is arranged at the contact position between the end surface of the conical joint and the boss structure.
6. An engine thermostat assembly according to claim 2, characterized in that: The outer ring surface of the limiting sleeve is provided with anti-slip grooves.