Diesel engine water inlet elbow
By designing filter components and automatic sewage discharge system in the water inlet bend pipe of the diesel engine, the problem of lack of filtration and sewage discharge functions in the prior art is solved, and effective filtration of cooling water and automatic removal of impurities are achieved, making it more convenient to use.
Patent Information
- Application Number
- CN202421723925.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-19
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-19
Smart Images

Figure CN222894306U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of water inlet elbows, and more specifically, to a water inlet elbow for a diesel engine. Background Art
[0002] When the diesel engine is in use, the water in the water tank needs to be used to dissipate the heat of the diesel engine to prevent the diesel generator from being damaged due to overheating. When dissipating the heat of the diesel generator, the water in the water tank is pumped into the cooling water channel of the diesel engine by a water pump for heat dissipation. The water inlet elbow is an indispensable part of the engine cooling system, and the cooling water is generally transported through the water inlet elbow;
[0003] After searching, the existing patent (publication number: CN221053795U) discloses a water inlet elbow structure of a loader diesel engine, which belongs to the technical field of water inlet pipes of loader diesel engines, including: a water inlet pipe body; a filter head is fixedly connected to one end of the water inlet pipe body, a flow channel is provided on the outer wall of the filter head, a placement frame is inserted in the flow channel of the filter head, a non-woven filter element is fixedly connected to the inner wall of the placement frame, an insertion block is inserted at one end of the filter head, one end of the insertion block is fixedly connected to one end of the placement frame, two symmetrical placement grooves are provided on the outer wall of the insertion block, a first slider is slidably connected to the inner wall of the placement groove, and a spring is fixedly connected between the first slider and the inner wall of the placement groove. The utility model can reduce the influence of impurities in cooling water on the engine, and use one end of the second slider to push the first slider into the placement groove of the insertion block, so that the non-woven filter element can be taken out for cleaning, which is quick and convenient.
[0004] The existing diesel engine water inlet elbow generally does not have a filtering function, or only adds a filter screen in the water inlet elbow to achieve a simple filtering function, but does not have a sewage discharge function, and the filter screen needs to be frequently disassembled and cleaned, which is inconvenient to use; at the same time, the above-cited patent document does not propose a relevant solution to solve the above problem;
[0005] Therefore, in view of the above problems, a water inlet elbow for a diesel engine is proposed. Utility Model Content
[0006] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a water inlet elbow of a diesel engine to solve the problems raised in the above-mentioned background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a diesel engine water inlet elbow, comprising an elbow body, one end of the elbow body is integrally connected with a first connecting flange, and the other end of the elbow body is integrally provided with a connecting plate, one end of the connecting plate away from the elbow body is installed with a functional pipe, and one end of the functional pipe away from the elbow body is integrally provided with a second connecting flange;
[0008] A mounting plate is integrally provided at one end of the functional pipe close to the connecting plate, and a filter assembly is inserted in the mounting plate. A sewage branch pipe is provided at the bottom of the functional pipe, and a sewage valve is installed in the sewage branch pipe. A control valve is installed at one end of the bent pipe body close to the connecting plate.
[0009] Preferably, the elbow body is designed to be bent at 90°, and the bending portion of the elbow body is thickened.
[0010] Preferably, the filter assembly includes a filter, a mounting cylinder, a cleaning plate, a rotating shaft and a spiral wheel. The filter is provided at one end of the mounting cylinder, and a rotating shaft passes through the center of the filter. A spiral wheel is provided on the rotating shaft inside the mounting cylinder, and the rotating shaft and the filter are rotatably connected. A cleaning plate is connected to one end of the rotating shaft close to the functional tube, and the cleaning plate is in contact with the surface of the filter. The outer diameter of the mounting cylinder is consistent with the inner diameters of the functional tube and the mounting plate.
[0011] Preferably, mounting seats are provided at the central positions of both sides of the mounting tube, and movable grooves are provided in the mounting seats, and blocks are installed in the movable grooves through compression springs, and the sides of the movable grooves away from the mounting tube are open.
[0012] Preferably, mounting grooves having a shape matching that of the mounting seat are provided on both sides of the inner wall of the mounting plate, and a clamping groove is provided at the central position inside the mounting groove.
[0013] Preferably, the card blocks are all designed in an "L" shape, and during assembly, the card blocks are extended from the openings under the action of the elastic force of the compression springs and are inserted into the card slots adapted thereto.
[0014] Preferably, grooves with a shape matching that of the mounting seat are provided on both sides of the connecting plate near one end of the mounting seat, and connecting holes are evenly arranged at the edge of the connecting plate, corresponding mounting holes are evenly arranged at the edge of the mounting plate, and a detachable connection design is formed between the connecting plate and the mounting plate by bolts.
[0015] Technical effects and advantages of the utility model:
[0016] 1. Compared with the prior art, the diesel engine water inlet elbow is provided with a filter assembly. The cooling water needs to pass through the filter screen of the filter assembly to remove impurities before entering the water inlet end of the engine for use, thereby reducing the impact of impurities in the cooling water on the engine. The filter assembly is directly inserted into the mounting plate during assembly, and then the mounting seat is inserted into the mounting slot. After being inserted into place, the card block can be directly inserted into the card slot under the action of the compression spring force to prevent the filter assembly from loosening or shaking. The installation is more stable and the assembly is relatively quick and convenient.
[0017] 2. Compared with the prior art, the filter assembly of the diesel engine water inlet elbow is equipped with a spiral wheel in the installation cylinder, which can rotate under the impact of the water flow, thereby driving the rotating shaft to rotate, that is, the cleaning plate is rotated to achieve self-cleaning of the filter and avoid impurities clogging the filter. After using it for a period of time, the drain pipe can be opened to directly discharge impurities without disassembling and cleaning the pipeline and frequently disassembling and cleaning the filter, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model.
[0019] Figure 2 This is a schematic diagram of the functional tube structure of the utility model.
[0020] Figure 3 This is a schematic diagram of the structure of the filter assembly of the utility model.
[0021] Figure 4 This is a schematic diagram of the spiral wheel structure of the utility model.
[0022] Figure 5 This is a schematic diagram of the structure of the mounting plate of the utility model.
[0023] Figure 6 This is a schematic diagram of the structure of the connecting plate of the utility model.
[0024] The accompanying drawings are marked as follows: 1. elbow body; 2. first connecting flange; 3. control valve; 4. functional pipe; 401. drain branch pipe; 5. filter assembly; 501. filter screen; 502. mounting cylinder; 6. mounting plate; 601. mounting groove; 602. clamping groove; 603. mounting hole; 7. drain valve; 8. second connecting flange; 9. clamping block; 10. mounting seat; 1001. movable groove; 11. cleaning plate; 12. rotating shaft; 13. spiral wheel; 14. compression spring; 15. connecting plate; 1501. groove; 1502. connecting hole. DETAILED DESCRIPTION
[0025] 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.
[0026] Embodiment 1
[0027] As attached Figure 1 A diesel engine water inlet elbow shown in the figure comprises an elbow body 1, one end of the elbow body 1 is integrally connected with a first connecting flange 2, and the other end of the elbow body 1 is integrally provided with a connecting plate 15, a functional pipe 4 is installed at one end of the connecting plate 15 away from the elbow body 1, and a second connecting flange 8 is integrally provided at one end of the functional pipe 4 away from the elbow body 1;
[0028] A mounting plate 6 is integrally provided at one end of the functional tube 4 close to the connecting plate 15, and a filter assembly 5 is inserted in the mounting plate 6. A sewage branch pipe 401 is provided at the bottom of the functional tube 4, and a sewage valve 7 is installed in the sewage branch pipe 401. A control valve 3 is installed at one end of the bent pipe body 1 close to the connecting plate 15.
[0029] Among them: the control valve 3 can be used to control the water inlet flow rate. When there are many impurities accumulated in the functional pipe 4, the drain valve 7 can be opened to discharge the impurities from the drain branch pipe 401, realizing automatic drainage without disassembling and cleaning the pipeline, which is more convenient to use.
[0030] Embodiment 2
[0031] Based on the first embodiment, the solution in the first embodiment is further detailed in combination with the following specific working methods. Figures 1 to 6 As shown, see the following description for details:
[0032] As a preferred embodiment, the elbow body 1 is designed with a 90° bend, and the bending part of the elbow body 1 is thickened; further, the thickening treatment can make the bending part of the elbow body 1 stronger, reduce the occurrence of damage at the bending part due to stress concentration, and extend the service life of the device.
[0033] As a preferred embodiment, the filter assembly 5 includes a filter 501, a mounting cylinder 502, a cleaning plate 11, a rotating shaft 12 and a spiral wheel 13. The filter 501 is arranged at one end of the mounting cylinder 502, and the rotating shaft 12 passes through the central position of the filter 501. The spiral wheel 13 is arranged on the rotating shaft 12 inside the mounting cylinder 502, and the rotating shaft 12 and the filter 501 are rotatably connected. The cleaning plate 11 is connected to the end of the rotating shaft 12 close to the functional tube 4, and the cleaning plate 11 is in contact with the surface of the filter 501. The outer diameter of the mounting cylinder 502 is consistent with the inner diameter of the functional tube 4 and the mounting plate 6; further, the spiral wheel 13 can rotate under the impact of the water flow, thereby driving the rotating shaft 12 to rotate, that is, the cleaning plate 11 is rotated, so as to realize the self-cleaning of the filter 501 and avoid impurities clogging the filter 501. There is no need to frequently disassemble and clean the filter 501, which is more convenient to use.
[0034] As a preferred embodiment, mounting seats 10 are provided at the central positions on both sides of the mounting cylinder 502, and movable grooves 1001 are opened in the mounting seats 10, and blocks 9 are installed in the movable grooves 1001 through compression springs 14, and the side of the movable grooves 1001 away from the mounting cylinder 502 is designed to be open; further, the opening design enables one end of the block 9 to extend from the opening under the elastic force of the compression spring 14 and be inserted into the slot 602, which makes the design more reasonable.
[0035] As a preferred embodiment, mounting grooves 601 having a shape matching that of the mounting seat 10 are provided on both sides of the inner wall of the mounting plate 6, and a card slot 602 is provided at the central position inside the mounting groove 601; further, the matching design makes it smoother to insert the mounting seat 10 into the mounting groove 601, and it is more stable and less likely to shake after insertion, and the design is more reasonable.
[0036] As a preferred embodiment, the card blocks 9 are all designed in an "L" shape, and during assembly, the card blocks 9 are extended from the opening under the elastic force of the compression spring 14 and are inserted into the card slot 602 corresponding to it; further, one end of the "L"-shaped design can be inserted into the card slot 602, so as to prevent the filter component 5 from loosening or shaking, and the installation is more stable, and the other end is convenient for fingers to move and press, so as to press the card block 9 into the movable groove 1001, thereby taking out the filter component 5, and the design is more reasonable.
[0037] As a preferred embodiment, grooves 1501 having a shape matching that of the mounting seat 10 are provided on both sides of the connecting plate 15 near one end of the mounting seat 10, and connecting holes 1502 are evenly provided at the edge of the connecting plate 15, and corresponding mounting holes 603 are evenly provided at the edge of the mounting plate 6, and a detachable connection design is formed between the connecting plate 15 and the mounting plate 6 by bolts; further, the detachable connection design makes it easy to take out the filter assembly 5 for cleaning and replacement, and the design is more reasonable.
[0038] The working process of the utility model is as follows:
[0039] When in use, first insert the filter assembly 5 directly into the mounting plate 6, and align the mounting seat 10 on the filter assembly 5 with the mounting groove 601 for insertion. During the insertion process, the block 9 is pressed into the movable groove 1001. After being inserted into place, the block 9 can be directly inserted into the slot 602 under the elastic force of the compression spring 14. After the assembly is completed, align the hole positions of the connecting plate 15 and the mounting plate 6, and align the groove 1501 on the connecting plate 15 with the mounting seat 10. Then, use bolts to connect and fix the connecting plate 15 and the mounting plate 6. When in use, the spiral wheel 13 can rotate under the impact of the water flow, thereby driving the rotating shaft 12 to rotate, that is, the cleaning plate 11 is rotated to realize the self-cleaning of the filter screen 501. When there are many impurities gathered in the functional pipe 4, the drain valve 7 can be opened to discharge the impurities from the drain branch pipe 401 to realize automatic draining.
[0040] Finally: The above are only preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A diesel engine water inlet elbow, comprising an elbow body (1), characterized in that: One end of the elbow body (1) is integrally connected to a first connecting flange (2), and the other end of the elbow body (1) is integrally provided with a connecting plate (15), an end of the connecting plate (15) away from the elbow body (1) is provided with a functional pipe (4), and an end of the functional pipe (4) away from the elbow body (1) is integrally provided with a second connecting flange (8); A mounting plate (6) is integrally provided at one end of the functional pipe (4) close to the connecting plate (15), and a filter assembly (5) is inserted into the mounting plate (6); a sewage branch pipe (401) is provided at the bottom of the functional pipe (4), and a sewage valve (7) is installed in the sewage branch pipe (401); and a control valve (3) is installed at one end of the bent pipe body (1) close to the connecting plate (15).
2. A diesel engine water inlet elbow according to claim 1, characterized in that: The elbow body (1) is designed to be bent at 90°, and the bending portion of the elbow body (1) is thickened.
3. A diesel engine water inlet elbow according to claim 1, characterized in that: The filter assembly (5) comprises a filter screen (501), a mounting cylinder (502), a cleaning plate (11), a rotating shaft (12) and a spiral wheel (13); the filter screen (501) is arranged at one end of the mounting cylinder (502), and the rotating shaft (12) penetrates the center of the filter screen (501); the spiral wheel (13) is arranged on the rotating shaft (12) inside the mounting cylinder (502), and the rotating shaft (12) and the filter screen (501) are rotatably connected; the cleaning plate (11) is connected to one end of the rotating shaft (12) close to the functional tube (4), and the cleaning plate (11) is in contact with the surface of the filter screen (501); the outer diameter of the mounting cylinder (502) is consistent with the inner diameters of the functional tube (4) and the mounting plate (6).
4. A diesel engine water inlet elbow according to claim 3, characterized in that: A mounting seat (10) is provided at the central position of both sides of the mounting tube (502), and a movable groove (1001) is provided in the mounting seat (10), a clamping block (9) is installed in the movable groove (1001) via a compression spring (14), and the side of the movable groove (1001) away from the mounting tube (502) is designed to be open.
5. A diesel engine water inlet elbow according to claim 4, characterized in that: Both sides of the inner wall of the mounting plate (6) are provided with mounting grooves (601) whose shapes match those of the mounting seat (10), and a clamping groove (602) is provided at the central position inside the mounting groove (601).
6. A diesel engine water inlet elbow according to claim 5, characterized in that: The clamping blocks (9) are all of L-shaped design, and during assembly, the clamping blocks (9) are extended from the opening under the elastic force of the compression spring (14) and are clamped into the clamping groove (602) that matches them.
7. A diesel engine water inlet elbow according to claim 4, characterized in that: The connecting plate (15) is provided with grooves (1501) on both sides of one end close to the mounting seat (10), the shape of which matches that of the mounting seat (10), and connecting holes (1502) are evenly arranged at the edge of the connecting plate (15), and corresponding mounting holes (603) are evenly arranged at the edge of the mounting plate (6), and a detachable connection design is formed between the connecting plate (15) and the mounting plate (6) by bolts.
Citation Information
Patent Citations
A water inlet elbow structure for a loader diesel engine
CN221053795U