End cover of engine heat exchanger

By designing a quick-connect mechanism on the engine heat exchanger end cover, using a threaded rod and gear system, the problem of cumbersome end cover connection is solved, enabling rapid installation and disassembly, improving efficiency and enhancing structural stability.

CN223691586UActive Publication Date: 2025-12-19ZHEJIANG TOP CASTING MACHINERY TECH
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Patent Information

Application Number
CN202423184748.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-19
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The connection between the upper and lower hemispheres of the existing engine heat exchanger end cover is cumbersome. During installation and disassembly, bolts must be tightened or clips fastened one by one, which consumes time and manpower and reduces connection efficiency.

Method used

A quick-connection mechanism was designed, comprising twelve evenly distributed threaded rods, retaining rings, and a gear system. Multiple threaded rods can be connected and disconnected simultaneously by rotating a knob, simplifying the operation process.

Benefits of technology

It enables rapid connection and disassembly of the upper and lower hemispheres, saving time and manpower, improving connection efficiency, and enhancing the reliability and stability of the structure.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an end cover of an engine heat exchanger, and relates to the technical field of yacht engines, the end cover of the engine heat exchanger comprises an upper hemisphere and a lower hemisphere, the upper hemisphere is located at the upper end of the lower hemisphere, the end cover of the engine heat exchanger is further provided with a quick connecting mechanism, and the quick connecting mechanism comprises twelve threaded rods, the threaded rods are evenly distributed on the surface of the upper hemisphere, the gear ring can drive the corresponding driven gears to rotate synchronously when rotating, the driven gears can drive the corresponding first rotating columns and the threaded rods to rotate, the threaded rods can be meshed with the corresponding third fixing cylinders when rotating, and the purpose of connecting the upper hemisphere and the lower hemisphere is achieved. And a worker only needs to rotate the rotary knob to achieve the purpose of simultaneous sleeving of the multiple threaded rods, when the worker reversely rotates the rotary knob, the purpose of detaching and separating the upper hemisphere and the lower hemisphere can be achieved, at the moment, the threaded rods do not need to be tightened one by one during installation, time and labor are saved, and the connecting efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the yacht engine technical field especially relates to an end cover of engine heat exchanger. BACKGROUND

[0002] The end cover of engine heat exchanger plays a key role in the yacht engine, it is the important component of heat exchanger, is responsible for connecting and sealing heat exchanger and engine system, in the mould design aspect, need to consider the complex shape and high accuracy requirement of end cover, to ensure the forming quality, casting technology then selects the suitable material and process, guarantees the strength and corrosion resistance of end cover, through optimizing mould design and casting technology, can improve the production efficiency and quality of end cover, and then promote the performance and reliability of yacht engine heat exchanger, this is important for the safe operation and comfortable experience of yacht, also provides the technical support for the development of yacht manufacturing industry, the end cover of engine heat exchanger:

[0003] 1. Ensure that the end cover and the heat exchanger body are tightly sealed to prevent coolant leakage.

[0004] 2. Can withstand the high temperature generated during engine operation, ensure its performance and structural integrity.

[0005] 3. Resist corrosion from coolant and salt in marine environment.

[0006] 4. Ensure the shape and size accuracy of the end cover to fit the heat exchanger body.

[0007] 5. Assist heat exchanger in heat dissipation, improve heat exchange efficiency.

[0008] Currently, manufacturers use various equipment and methods to achieve the function of the end cover of engine heat exchanger. In terms of sealing, rubber sealing rings, sealing glue and other sealing materials and methods are used to ensure sealing effect. In terms of high temperature resistance, metal materials such as copper alloy and stainless steel are selected and subjected to appropriate heat treatment. In terms of corrosion resistance, electroplating, painting and other corrosion prevention treatments are used, or corrosion-resistant alloy materials are used. In terms of accurate forming, precision molds are used for casting or forging, such as die casting molds, sand molds, etc. to ensure shape and size accuracy. In terms of heat dissipation, the structure of the end cover is optimized, and heat dissipation fins or heat dissipation channels are added.

[0009] However, the above-mentioned mode has a prominent hardware structure problem, when the upper hemisphere and the lower hemisphere are connected by bolts or buckles, the operation process is relatively cumbersome, and the bolts or buckles need to be tightened or buckled one by one during installation, which consumes time and manpower, and when disassembly and maintenance are required, the same cumbersome operation steps need to be repeated, which reduces the connection efficiency. In view of this problem, a solution is proposed, and a quick connection mechanism is designed. The quick connection mechanism can simultaneously apply tightening force to multiple threaded rods, greatly shortening the time of installing the upper hemisphere and the lower hemisphere, and improving the production efficiency. Practical new type content

[0010] (I) The technical problem solved

[0011] In view of the shortcomings of the prior art, the end cover of the engine heat exchanger is provided, which solves the technical problem that the upper hemisphere and the lower hemisphere are connected by bolts or buckles, the operation process is relatively cumbersome, and the bolts or buckles need to be tightened or buckled one by one during installation, which consumes time and manpower, and when disassembly and maintenance are required, the same cumbersome operation steps need to be repeated, which reduces the connection efficiency.

[0012] (II) Technical scheme

[0013] In order to achieve the above purpose, the technical scheme is as follows:

[0014] An end cover of an engine heat exchanger, comprising an upper hemisphere and a lower hemisphere, the upper hemisphere is located at the upper end of the lower hemisphere, the end cover of the engine heat exchanger is further provided with a quick connection mechanism, comprising: twelve threaded rods, each threaded rod is uniformly distributed on the surface of the upper hemisphere, the surface of the upper hemisphere is fixedly connected with a fixed ring one, the lower end of each threaded rod is threadedly sleeved with a fixed cylinder two, and each fixed cylinder two is fixedly connected with the fixed ring one.

[0015] Preferably, the upper end of each threaded rod is fixedly connected with a rotating column one, and the upper end of each rotating column one is fixedly connected with a driven gear.

[0016] Preferably, the upper end of the fixed ring one is fixedly connected with a rotating ring, the upper end of the rotating ring is rotatably connected with a gear ring, and each driven gear is meshingly connected with the gear ring.

[0017] Preferably, the surface of the lower hemisphere is fixedly connected with a fixed ring two, the lower end of each threaded rod is threadedly sleeved with a fixed cylinder three, and each fixed cylinder three is fixedly connected with the fixed ring two.

[0018] Preferably, the side end of the fixed ring one is fixedly connected with a fixed cylinder one, and the upper end of the fixed cylinder one is rotatably connected with a rotating column two.

[0019] The upper end of the rotating column two is fixedly connected with a driving gear, the driving gear is in meshing connection with the gear ring, and the lower end of the rotating column two is fixedly connected with a rotating knob.

[0020] (Three) beneficial effects

[0021] 1, fixed cylinder two and fixed cylinder three alignment, at this time rotate the knob, knob driven rotating column two and driving gear, driving gear rotating will drive gear ring rotation, gear ring rotation will drive corresponding driven gear synchronous rotation, driven gear will drive corresponding rotating column one and threaded rod rotation, when the threaded rod rotation will be engaged with the corresponding fixed cylinder three, to connect the upper hemisphere and the lower hemisphere, and the staff only need to rotate the knob can achieve the purpose of multiple threaded rod at the same time, when the staff reverse rotation knob can achieve the purpose of disassembly separation upper hemisphere and lower hemisphere, at this time, the installation does not need to tighten the threaded rod one by one, save time and manpower, improve the efficiency of connection.

[0022] 2, rotating ring will provide a stable support environment for the gear ring, so that the gear ring driven driven gear rotation will not appear position deviation, stable support environment ensures transmission precision, reduce wear and tear, prolong the service life, improve the reliability and stability of structure. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above description is only a summary of the technical scheme of the present application. In order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is the preferred embodiment of the present application and the detailed description of the drawings.

[0024] Figure 1 The structure diagram of the present application;

[0025] Figure 2 The structure diagram of the present application fixed ring one;

[0026] Figure 3 The structure diagram of the present application gear ring;

[0027] Figure 4 The structure diagram of the present application threaded rod.

[0028] Legend: 11, upper hemisphere; 12, lower hemisphere; 13, fixed ring one; 14, fixed ring two; 15, rotating ring; 16, driven gear; 17, fixed cylinder one; 18, threaded rod; 19, gear ring; 20, fixed cylinder two; 21, fixed cylinder three; 22, rotating column one; 23, rotating knob; 24, driving gear; 25, rotating column two. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiment of the application effectively solves the technical problem that when the upper hemisphere and the lower hemisphere are connected by bolts or buckles, the operation process is relatively cumbersome, the bolts or buckles need to be tightened or buckled one by one during installation, time and manpower are consumed, and when disassembly and maintenance are required, the cumbersome operation steps also need to be repeated, and the connection efficiency is reduced.

[0030] Embodiment

[0031] The technical scheme in the embodiment of the application effectively solves the technical problem that when the upper hemisphere and the lower hemisphere are connected by bolts or buckles, the operation process is relatively cumbersome, the bolts or buckles need to be tightened or buckled one by one during installation, time and manpower are consumed, and when disassembly and maintenance are required, the cumbersome operation steps also need to be repeated, and the connection efficiency is reduced.

[0032] In view of the problems in the prior art, such as Figures 1-4 As shown in the utility model discloses an end cover of engine heat exchanger, including upper hemisphere 11 and lower hemisphere 12, upper hemisphere 11 is located in the upper end of lower hemisphere 12, this end cover of engine heat exchanger still be provided with quick -witted connection mechanism, including: twelve threaded rods 18, each threaded rod 18 evenly distributed in the surface of upper hemisphere 11, the surface of upper hemisphere 11 is fixedly connected with fixed ring one 13, the lower end of each threaded rod 18 is all threadedly sleeved with fixed cylinder two 20, each fixed cylinder two 20 is fixedly connected with fixed ring one 13, the upper end of each threaded rod 18 is fixedly connected with rotating column one 22, the upper end of each rotating column one 22 is fixedly connected with driven gear 16, align fixed cylinder two 20 with fixed cylinder three 21, when rotating knob 23, knob 23 drives rotating column two 25 and drive gear 24 to rotate, when drive gear 24 rotates, it will drive gear ring 19 to rotate, when gear ring 19 rotates, it will drive corresponding driven gear 16 to rotate synchronously, driven gear 16 will drive corresponding rotating column one 22 and threaded rod 18 to rotate, when threaded rod 18 rotates, it will be engaged with corresponding fixed cylinder three 21, reach the purpose of connecting upper hemisphere 11 and lower hemisphere 12.

[0033] The upper end of fixed ring one 13 is fixedly connected with rotating ring 15, the upper end of rotating ring 15 is rotatably connected with gear ring 19, each driven gear 16 is engagedly connected with gear ring 19, the surface of lower hemisphere 12 is fixedly connected with fixed ring two 14, the lower end of each threaded rod 18 is threadedly sleeved with fixed cylinder three 21, each fixed cylinder three 21 is fixedly connected with fixed ring two 14, and the staff only needs to rotate knob 23 to achieve the purpose of simultaneously sleeving a plurality of threaded rods 18, when the staff reversely rotates knob 23, the purpose of disassembling and separating upper hemisphere 11 and lower hemisphere 12 can be achieved, and when installing, threaded rod 18 does not need to be tightened one by one, time and manpower are saved, and the connection efficiency is improved.

[0034] The side end of the fixed ring one 13 is fixedly connected with a fixed cylinder one 17, the upper end of the fixed cylinder one 17 is rotatably connected with a rotating column two 25, the upper end of the rotating column two 25 is fixedly connected with a driving gear 24, the driving gear 24 is meshingly connected with the gear ring 19, the lower end of the rotating column two 25 is fixedly connected with a knob 23, the rotating ring 15 can provide a stable support environment for the gear ring 19, so that the gear ring 19 does not appear position deviation when driving the driven gear 16 to rotate, the stable support environment ensures accurate transmission, reduces wear and tear, prolongs the service life, and improves the reliability and stability of the structure.

[0035] Working principle:

[0036] The fixed cylinder two 20 is aligned with the fixed cylinder three 21, at this time, the knob 23 is rotated, the knob 23 drives the rotating column two 25 and the driving gear 24 to rotate, the driving gear 24 rotates and drives the gear ring 19 to rotate, the gear ring 19 rotates and drives the corresponding driven gear 16 to rotate synchronously, the driven gear 16 drives the corresponding rotating column one 22 and threaded rod 18 to rotate, when the threaded rod 18 rotates, it is engaged with the corresponding fixed cylinder three 21, achieving the purpose of connecting the upper hemisphere 11 and the lower hemisphere 12, and the staff only needs to rotate the knob 23 to achieve the purpose of simultaneously sleeving multiple threaded rods 18, when the staff reversely rotates the knob 23, the purpose of disassembling and separating the upper hemisphere 11 and the lower hemisphere 12 can be achieved, at this time, when installing, the threaded rod 18 does not need to be tightened one by one, saving time and manpower, improving the connection efficiency, the rotating ring 15 can provide a stable support environment for the gear ring 19, so that the gear ring 19 does not appear position deviation when driving the driven gear 16 to rotate, the stable support environment ensures accurate transmission, reduces wear and tear, prolongs the service life, and improves the reliability and stability of the structure.

[0037] Finally, it should be noted that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. An end cover for an engine heat exchanger comprising an upper half-sphere (11) and a lower half-sphere (12), the upper half-sphere (11) being located at the upper end of the lower half-sphere (12), characterised in that, The end cover of the engine heat exchanger is also provided with a quick connection mechanism, comprising: twelve threaded rods (18); Wherein, the surface of the upper hemisphere (11) is fixedly connected with a fixed ring one (13), the lower end of each threaded rod (18) is threadedly sleeved with a fixed cylinder two (20), and each fixed cylinder two (20) is fixedly connected with the fixed ring one (13).

2. An end cover for an engine heat exchanger as claimed in claim 1, wherein: The upper end of each threaded rod (18) is fixedly connected with a rotating column one (22); Wherein, the upper end of each rotating column one (22) is fixedly connected with a driven gear (16).

3. An end cover for an engine heat exchanger as claimed in claim 2, wherein: The upper end of the fixed ring one (13) is fixedly connected with a rotating ring (15); Wherein, the upper end of the rotating ring (15) is rotatably connected with a gear ring (19), and each driven gear (16) is meshedly connected with the gear ring (19).

4. An end cover for an engine heat exchanger as defined in claim 1, wherein: The surface of the lower hemisphere (12) is fixedly connected with a fixed ring two (14), and the lower end of each threaded rod (18) is threadedly sleeved with a fixed cylinder three (21); Wherein, each fixed cylinder three (21) is fixedly connected with the fixed ring two (14).

5. An end cover for an engine heat exchanger as defined in claim 1, wherein: The side end of the fixed ring one (13) is fixedly connected with a fixed cylinder one (17); Wherein, the upper end of the fixed cylinder one (17) is rotatably connected with a rotating column two (25).

6. An end cover for an engine heat exchanger as claimed in claim 5, wherein: The upper end of the rotating column two (25) is fixedly connected with a driving gear (24), and the driving gear (24) is meshedly connected with the gear ring (19); Wherein, the lower end of the rotating column two (25) is fixedly connected with a knob (23).