Water inlet pipe of radiator
By designing a connection structure on the radiator inlet pipe including a reinforcing base, reinforcing plate, connecting base, positioning plate, bracket, and locking unit, the problem of loose inlet pipe interface is solved, achieving a stable connection and extending service life.
Patent Information
- Application Number
- CN202521399132.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-04
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-07-04
AI Technical Summary
The existing radiator inlet pipes lack reinforcement measures during installation and use, which leads to loose or wobbly connections, affecting the sealing effect and reducing service life.
A connection structure including a reinforcing base, a reinforcing plate, a connecting base, a positioning plate, a bracket, and a locking unit was designed. The structure is fixed to the vehicle frame by the support components to ensure that the main body of the water inlet pipe is under stable stress and the interface connection is secure.
It enhances the overall stability of the water inlet pipe body, prevents the interface from loosening or shaking, extends service life, and avoids leakage.
Smart Images

Figure CN223938139U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, specifically to a radiator inlet pipe. Background Technology
[0002] During engine operation, the coolant circulates under the drive of the water pump. One end of the radiator inlet pipe is connected to the water pump outlet or the coolant circulation pipe, and the other end is connected to the radiator inlet. Under the action of the water pump, the coolant is pumped from the coolant source and continuously flows into the radiator through the radiator inlet pipe.
[0003] In the prior art, radiator inlet pipes typically consist of a pipe of a specific shape and pipe openings at both ends. In actual installation and use, they are usually not reinforced or supported by the vehicle frame, and the force is mainly borne by the two interfaces. After long-term use, the interface positions may become loose or wobbly, affecting the sealing effect and reducing stability. Therefore, leakage problems are likely to occur later, and the service life is limited. In view of the shortcomings of the prior art, this utility model provides a radiator inlet pipe to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a radiator inlet pipe. By placing a reinforcing base on the main body of the inlet pipe, and in conjunction with the connection design of the reinforcing plate, connecting base, positioning plate, bracket, and locking unit, the main body of the inlet pipe is reinforced and supported by the vehicle frame, ensuring the stability of the main body under force and the secure connection at the interface. The reinforcing plate is connected to the main body of the inlet pipe through the support component, further enhancing the overall stability of the main body of the inlet pipe, ensuring that the interface is not easy to loosen or shake, and is not prone to leakage, thus further improving its service life.
[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: a radiator inlet pipe, comprising an inlet pipe body, a reinforcing base, a reinforcing plate, a connecting base, a positioning plate, a bracket, and a locking unit;
[0006] The reinforcing base is installed on the main body of the water inlet pipe, and the reinforcing base is provided with a locking block;
[0007] A reinforcing plate is mounted on the reinforcing base, and a supporting member is provided between the reinforcing plate and the main body of the water inlet pipe;
[0008] The connector is movably engaged with the card block, and the connector has a slot corresponding to the card block;
[0009] The positioning plate is disposed on the connecting seat;
[0010] The mounting bracket is mounted on the positioning plate and connected to the vehicle frame;
[0011] The locking unit is disposed on the connecting seat and is used to lock and limit the movement of the locking block.
[0012] Preferably, the locking block has a locking hole, the connecting seat has a limit groove, and the locking unit includes:
[0013] The slider is movable and engages within the limiting groove;
[0014] A locking rod is mounted on the slider and movably inserted into the lock hole.
[0015] Preferably, a spring is provided between the two sets of sliders.
[0016] Preferably, a handle is fixedly connected to the slider, and the handle is slidably connected to the positioning plate.
[0017] Preferably, the bracket has fixing holes.
[0018] Preferably, a rubber ring is provided at the end of the main body of the water inlet pipe.
[0019] This utility model discloses a radiator water inlet pipe, which has the following beneficial effects:
[0020] The radiator inlet pipe features a reinforced base mounted on its main body. This, combined with the reinforcement plate, connecting base, positioning plate, bracket, and locking unit, ensures the inlet pipe is reinforced and supported by the vehicle frame, guaranteeing stable stress distribution and a secure connection at the interface. The reinforcement plate, connected to the inlet pipe body via support components, further enhances the overall stability of the inlet pipe, preventing loosening or wobbling at the interface, minimizing leakage, and extending its service life. Attached Figure Description
[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0023] Figure 2 This is a disassembly diagram of the main body of the water inlet pipe of this utility model;
[0024] Figure 3 This is a disassembly diagram of the connector of this utility model;
[0025] Figure 4 This is a schematic diagram of the locking unit of this utility model.
[0026] In the diagram: 1. Main body of water inlet pipe; 11. Rubber ring; 2. Reinforcing base; 21. Locking block; 22. Locking hole; 3. Reinforcing plate; 31. Support component; 4. Connecting base; 41. Locking groove; 42. Limiting groove; 5. Positioning plate; 6. Hanger; 61. Fixing hole; 7. Locking unit; 71. Slider; 711. Handle; 72. Locking rod; 73. Spring. Detailed Implementation
[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0028] This application provides a radiator inlet pipe, which solves the problem in the prior art where radiator inlet pipes are usually composed of a pipe of a specific shape and pipe openings at both ends. In actual installation and use, they are usually not reinforced or supported by the vehicle frame. The force is mainly borne by the two interfaces. After long-term use, the interface positions may become loose or shake, affecting the sealing effect and reducing stability.
[0029] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0030] This utility model discloses a radiator inlet pipe, according to the attached... Figure 1-4 As shown, it includes a water inlet pipe body 1, a reinforcing base 2, a reinforcing plate 3, a connecting base 4, a positioning plate 5, a bracket 6, and a locking unit 7;
[0031] The main body of the water inlet pipe 1 serves as the main channel for water inlet to the radiator, responsible for delivering coolant into the radiator.
[0032] The reinforcing seat 2 is installed on the main body 1 of the water inlet pipe, which serves to reinforce and support the main body 1 of the water inlet pipe and ensure that the main body 1 of the water inlet pipe is stable under force. The locking block 21 installed on it provides positioning and support points for the locking of the connecting seat 4.
[0033] The reinforcing plate 3 is installed on the reinforcing base 2 and is connected to the water inlet pipe body 1 through the support member 31, which further enhances the stability of the water inlet pipe body 1 at this part and prevents the water inlet pipe body 1 from being deformed or damaged due to external forces.
[0034] The connector 4 is movably attached to the locking block 21 of the reinforcing base 2. The locking slot 41 cooperates with the locking block 21 to achieve initial positioning, providing a foundation for subsequent connection and fixation.
[0035] The positioning plate 5 is set on the connecting seat 4 to provide positioning and support for the installation of the bracket 6;
[0036] The bracket 6 is mounted on the positioning plate 5 and connected to the vehicle frame through the fixing holes 61 on it, thus fixing the entire radiator inlet pipe to the vehicle frame and ensuring the stability of the radiator inlet pipe during operation.
[0037] The locking unit 7 is installed on the connecting seat 4. The locking unit 7 includes a slider 71, a locking rod 72 and a spring 73. The locking block 21 has a locking hole 22 and the connecting seat 4 has a limiting groove 42. By moving the slider 71 in the limiting groove 42, the locking rod 72 is driven to be inserted into the locking hole 22 of the locking block 21, thereby locking and limiting the locking of the locking block 21 and preventing the connecting seat 4 from loosening with the reinforcing seat 2.
[0038] After the locking block 21 is engaged with the connecting seat 4, the slider 71 is slid in the limiting groove 42 by pushing the handle 711, which drives the locking rod 72 to be inserted into the lock hole 22 to complete the locking. When disassembly is required, the handle 711 is pulled in the opposite direction to disengage the locking rod 72 from the lock hole 22, and the locking block 21, the reinforcing seat 2 and the water inlet pipe body 1 can be removed, which facilitates the disassembly, maintenance or replacement of the water inlet pipe body 1.
[0039] This utility model discloses a radiator inlet pipe, according to the attached... Figure 1-4 As shown, it includes a water inlet pipe body 1, a reinforcing base 2, a reinforcing plate 3, a connecting base 4, a positioning plate 5, a bracket 6, and a locking unit 7;
[0040] The reinforcing base 2 is installed on the main body 1 of the water inlet pipe, and the reinforcing base 2 is provided with a locking block 21;
[0041] The reinforcing plate 3 is mounted on the reinforcing base 2, and a support member 31 is provided between the reinforcing plate 3 and the main body of the water inlet pipe 1;
[0042] The connector 4 is movably attached to the card block 21, and the connector 4 has a card slot 41 corresponding to the card block 21;
[0043] Positioning plate 5 is mounted on connecting seat 4;
[0044] The mounting bracket 6 is mounted on the positioning plate 5 and connected to the vehicle frame;
[0045] The locking unit 7 is disposed on the connecting seat 4 and is used to lock and limit the locking of the locking block 21.
[0046] The locking block 21 has a locking hole 22, the connecting seat 4 has a limit groove 42 inside, and the locking unit 7 includes:
[0047] The slider 71 is movably engaged within the limiting groove 42; a spring 73 is provided between the two sets of sliders 71. A handle 711 is fixedly connected to the slider 71, and the handle 711 is slidably connected to the positioning plate 5;
[0048] The locking rod 72 is mounted on the slider 71 and is movably inserted into the lock hole 22.
[0049] The mounting bracket 6 has a fixing hole 61, through which it connects to the vehicle frame, fixing the entire radiator inlet pipe to the frame and ensuring the stability of the radiator inlet pipe during operation. Align the fixing hole 61 of the mounting bracket 6 with the mounting hole on the vehicle frame, and use bolts or other fasteners to fix the mounting bracket 6 to the vehicle frame, thereby securing the entire radiator inlet pipe.
[0050] A rubber ring 11 is provided at the end of the water inlet pipe body 1. The rubber ring 11 ensures a stable seal at the interface when the water inlet pipe body 1 is installed with the radiator interface and other locations.
[0051] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes the element.
[0052] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A radiator inlet pipe, characterized in that, include: Water inlet pipe body (1); A reinforcing base (2) is provided on the main body (1) of the water inlet pipe, and a locking block (21) is provided on the reinforcing base (2). A reinforcing plate (3) is provided on the reinforcing base (2), and a support member (31) is provided between the reinforcing plate (3) and the main body of the water inlet pipe (1). The connecting seat (4) is movably attached to the card block (21), and the connecting seat (4) has a card slot (41) corresponding to the card block (21). Positioning plate (5) is disposed on the connecting seat (4); The bracket (6) is mounted on the positioning plate (5) and connected to the vehicle frame; The locking unit (7) is disposed on the connecting seat (4) and is used to lock and limit the locking of the card block (21).
2. The radiator inlet pipe according to claim 1, characterized in that, The locking block (21) has a locking hole (22), the connecting seat (4) has a limiting groove (42) inside, and the locking unit (7) includes: The slider (71) is movable and engaged in the limiting groove (42); The locking rod (72) is mounted on the slider (71) and is movably inserted into the lock hole (22).
3. A radiator inlet pipe according to claim 2, characterized in that, A spring (73) is provided between the two sets of sliders (71).
4. A radiator inlet pipe according to claim 2, characterized in that, A handle (711) is fixedly connected to the slider (71), and the handle (711) is slidably connected to the positioning plate (5).
5. A radiator inlet pipe according to claim 1, characterized in that, The bracket (6) has a fixing hole (61).
6. A radiator inlet pipe according to claim 1, characterized in that, A rubber ring (11) is provided at the end of the main body (1) of the water inlet pipe.