Engine exhaust pipe
By introducing limiting devices and thermal insulation devices into the engine exhaust pipe, the traditional slow connection speed is solved, fast docking and thermal insulation effect is achieved, working efficiency is improved and operation safety is ensured.
Patent Information
- Application Number
- CN202420881337.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-26
AI Technical Summary
In the engine thermal test, the traditional engine exhaust pipe is slow to connect with the joints, which is time-consuming and labor-intensive, affecting work efficiency and operating procedures.
An engine exhaust pipe including a limiting device and a heat insulation device is designed. The limiting device achieves rapid docking through the coordination of the positioning rod and the socket, the slider and the spring, and the thermal insulation device is matched by the coordination of the insulating roller and the threaded rod. Fix the heat insulation roller on the outer wall of the exhaust pipe.
The rapid connection between the exhaust pipe and the connecting pipe is achieved, saving time and effort, improving work efficiency, and avoiding the risk of staff touching the hot exhaust pipe through thermal insulation devices.
Smart Images
Figure CN222228660U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of engine exhaust pipes, in particular to an engine exhaust pipe. Background Art
[0002] During the engine hot test, the exhaust gas from the exhaust manifold needs to be introduced into the factory's specific pipeline. Since the butt joint needs to be reconnected to the exhaust manifold of the tested engine every time a tested engine is replaced, the connection speed of the butt joint greatly affects the working time and operation process.
[0003] When the existing engine exhaust pipe is connected to the docking joint, it is necessary to loosen the bolts on the docking joint, align the direction and then tighten the bolts. After the test is completed, the bolts on the docking joint are loosened, and then another engine to be tested is connected, and the bolts are tightened again after the direction is calibrated... This cycle is repeated, and the use of traditional bolted docking joints is very time-consuming and labor-intensive. Utility Model Content
[0004] The utility model aims to solve the technical problems in the above background and proposes an engine exhaust pipe.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an engine exhaust pipe, including an exhaust pipe body, a first connection seat is fixedly installed at one end of the exhaust pipe body, a second connection seat is movably inserted inside the first connection seat, a connection pipe is fixedly installed on the surface of the end of the second connection seat away from the first connection seat, a limiting device is provided on the surface of the second connection seat, the limiting device includes two extension plates, the two extension plates are fixedly installed on the surface of the second connection seat, a positioning rod is fixedly installed on the bottom surface of the extension plate, and two positioning holes are provided on the surface of the first connection seat. The setting of the positioning rod and the positioning hole plays a preliminary effect of limiting the second connection seat inside the first connection seat.
[0006] Preferably, a U-shaped rod is fixedly installed on both side walls of the first connecting seat, two sliders are slidably connected to the surface of the U-shaped rod, and a spring is fixedly installed between the two sliders. The setting of the spring has the effect of limiting the position of the slider on the surface of the U-shaped rod.
[0007] Preferably, a traction plate is hinged on the surface of the slider, a T-shaped plate is hinged on the surface of one end of the traction plate away from the slider, a pull rod is fixedly installed on the surface of the T-shaped plate, an insertion rod is fixedly installed on the surface of one end of the T-shaped plate away from the pull rod, and an insertion hole is provided on the outer wall surface of the positioning rod. The provision of the insertion rod and the insertion hole has the effect of limiting the positioning rod inside the positioning hole.
[0008] Preferably, the outer wall surface of the exhaust pipe body is provided with a heat insulation device, the heat insulation device comprises a heat insulation roller, the heat insulation roller is slidably sleeved on the outer wall surface of the exhaust pipe body, a U-shaped plate is fixedly installed on the outer wall surface of the heat insulation roller, a threaded rod is rotatably connected between the inner walls at both ends of the U-shaped plate, and a rotating wheel is fixedly installed at one end of the threaded rod. The provision of the heat insulation roller has the effect of isolating the heat of the exhaust pipe body.
[0009] Preferably, a groove is formed on the inner wall surface of the U-shaped plate, and a movable plate is threadedly connected to the surface of the threaded rod. The threaded rod has the effect of driving the movable plate to move inside the groove.
[0010] Preferably, a limit rod is fixedly installed on the bottom surface of the movable plate, and a limit seat is fixedly installed on the outer wall surface of the exhaust pipe body. The setting of the limit rod and the limit seat has the effect of fixing the heat insulation roller on the outer wall of the exhaust pipe body.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] 1. In the utility model, by setting a limit device, when the exhaust pipe body and the connecting pipe need to be docked, first pull the pull rod, the movement of the pull rod drives the T-shaped plate to move, the movement of the T-shaped plate drives the traction plate to move, the movement of the traction plate pulls the two sliders to move in the direction of approaching each other on the surface of the U-shaped rod, the two sliders move in the direction of approaching each other on the surface of the U-shaped rod to squeeze the spring, so that the spring is compressed, and the movement of the T-shaped plate also drives the insertion rod to move. When the insertion rod moves to a suitable position, the two positioning rods on the two extension plates on the second connecting seat are aligned with the positioning holes, and then the second connecting seat is inserted into the interior of the first connecting seat. When the second connecting seat and the first connecting seat are plugged in, the positioning rod and the positioning hole are also plugged in. When the positioning rod is located inside the positioning hole, the pull rod is released and the spring force is used to reset the insertion rod. The insertion rod is reset and then inserted into the inside of the insertion hole. The insertion rod and the insertion hole are plugged in, so that the positioning rod is limited inside the positioning hole. The positioning rod is limited inside the positioning hole, so that the second connecting seat is limited inside the first connecting seat, thereby completing the docking operation of the connecting pipe and the exhaust pipe body. Through the cooperation of the above structure, the process of docking the drainage pipe body with the connecting pipe is time-saving and labor-saving, which greatly improves work efficiency and saves working time.
[0013] 2. In the utility model, by setting a heat insulation device, when it is necessary to fix the heat insulation roller on the outer wall surface of the exhaust pipe body, firstly, the heat insulation roller is slidably sleeved on the outer wall surface of the exhaust pipe body, and when the heat insulation roller slides to a suitable position on the outer wall surface of the exhaust pipe body, the rotating wheel is rotated, and the rotation of the rotating wheel drives the threaded rod to rotate, and the rotation of the threaded rod drives the movable plate to move inside the groove, and the movement of the movable plate inside the groove drives the limit rod to move, and the limit rod moves so that it inserts itself into the inside of the limit seat, thereby fixing the heat insulation roller on the outer wall surface of the exhaust pipe body. Through the cooperation of the above structure, after the test is completed, the heat insulation roller can be used to isolate the heat of the exhaust pipe body to avoid the staff from directly touching the exhaust pipe body and being burned. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 A three-dimensional structural schematic diagram of an engine exhaust pipe is proposed for the utility model;
[0015] Figure 2 The utility model provides a right side structural schematic diagram of an engine exhaust pipe;
[0016] Figure 3 The utility model proposes an engine exhaust pipe Figure 1 The structural diagram at A in the middle;
[0017] Figure 4 The utility model proposes an engine exhaust pipe Figure 2 The structural diagram at B in the middle;
[0018] Legend:
[0019] 1. Exhaust pipe body; 2. First connecting seat; 3. Second connecting seat; 4. Connecting pipe; 5. Limiting device; 501. Extension plate; 502. Positioning rod; 503. Positioning hole; 504. U-shaped rod; 505. Slider; 506. Spring; 507. Traction plate; 508. T-shaped plate; 509. Pull rod; 510. Insert rod; 511. Insert hole; 6. Heat insulation device; 61. Heat insulation roller; 62. U-shaped plate; 63. Threaded rod; 64. Rotating wheel; 65. Groove; 66. Movable plate; 67. Limiting rod; 68. Limiting seat. DETAILED DESCRIPTION
[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.
[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.
[0022] See also Figure 1-4 The utility model provides a technical solution: an engine exhaust pipe, comprising an exhaust pipe body 1, a first connecting seat 2 is fixedly installed at one end of the exhaust pipe body 1, a second connecting seat 3 is movably inserted inside the first connecting seat 2, and a connecting pipe 4 is fixedly installed on the surface of the end of the second connecting seat 3 away from the first connecting seat 2.
[0023] The specific arrangement and function of the limiting device 5 and the heat insulating device 6 will be described in detail below.
[0024] In this embodiment: a limiting device 5 is provided on the surface of the second connecting seat 3, and the limiting device 5 includes two extension plates 501, and the two extension plates 501 are fixedly installed on the surface of the second connecting seat 3, and a positioning rod 502 is fixedly installed on the bottom surface of the extension plate 501, and two positioning holes 503 are opened on the surface of the first connecting seat 2.
[0025] In this embodiment, the provision of the positioning rod 502 and the positioning hole 503 has the effect of preliminarily limiting the second connecting seat 3 inside the first connecting seat 2 .
[0026] Specifically, U-shaped rods 504 are fixedly installed on both side walls of the first connecting seat 2 , and two sliders 505 are slidably connected to the surface of the U-shaped rod 504 , and a spring 506 is fixedly installed between the two sliders 505 .
[0027] In this embodiment, the setting of the spring 506 has the effect of limiting the position of the slider 505 on the surface of the U-shaped rod 504 .
[0028] Specifically, a traction plate 507 is hinged on the surface of the slider 505, a T-shaped plate 508 is hinged on the surface of one end of the traction plate 507 away from the slider 505, a pull rod 509 is fixedly installed on the surface of the T-shaped plate 508, an insertion rod 510 is fixedly installed on the surface of one end of the T-shaped plate 508 away from the pull rod 509, and an insertion hole 511 is provided on the outer wall surface of the positioning rod 502. The provision of the insertion rod 510 and the insertion hole 511 has the effect of limiting the positioning rod 502 inside the positioning hole 503.
[0029] In this embodiment: a heat insulation device 6 is provided on the outer wall surface of the exhaust pipe body 1, and the heat insulation device 6 includes a heat insulation roller 61, and the heat insulation roller 61 is slidably sleeved on the outer wall surface of the exhaust pipe body 1, and a U-shaped plate 62 is fixedly installed on the outer wall surface of the heat insulation roller 61, and a threaded rod 63 is rotatably connected between the inner walls at both ends of the U-shaped plate 62, and a rotating wheel 64 is fixedly installed at one end of the threaded rod 63. When it is necessary to fix the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1, firstly slide the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1. When the heat insulation roller 61 slides to a suitable position on the outer wall surface of the exhaust pipe body 1, rotate the rotating wheel 64. The rotation of the rotating wheel 64 drives the threaded rod 63 to rotate. The rotation of the threaded rod 63 drives the movable plate 66 to move inside the groove 65. The movable plate 66 moves inside the groove 65 to drive the limit rod 67 to move. The limit rod 67 moves so that it inserts itself into the limit seat 68, thereby fixing the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1. Through the cooperation of the above-mentioned structure, after the test is completed, the heat insulation roller 61 can be used to isolate the heat of the exhaust pipe body 1 to avoid the staff from directly touching the exhaust pipe body 1 and being burned.
[0030] Specifically, a groove 65 is formed on the inner wall surface of the U-shaped plate 62 , and a movable plate 66 is threadedly connected to the surface of the threaded rod 63 .
[0031] In this embodiment, the threaded rod 63 is provided to drive the movable plate 66 to move inside the groove 65 .
[0032] Specifically, a limiting rod 67 is fixedly installed on the bottom surface of the movable plate 66 , and a limiting seat 68 is fixedly installed on the outer wall surface of the exhaust pipe body 1 .
[0033] In this embodiment, the setting of the limiting rod 67 and the limiting seat 68 has the effect of fixing the heat insulation roller 61 on the outer wall of the exhaust pipe body 1.
[0034] Working principle: by setting the limiting device 5, when the exhaust pipe body 1 and the connecting pipe 4 need to be docked, first pull the pull rod 509, the movement of the pull rod 509 drives the T-plate 508 to move, the movement of the T-plate 508 drives the traction plate 507 to move, the movement of the traction plate 507 pulls the two sliders 505 to move in the direction of approaching each other on the surface of the U-shaped rod 504, the two sliders 505 move in the direction of approaching each other on the surface of the U-shaped rod 504, which squeezes the spring 506, so that the spring 506 is compressed, and at the same time, the movement of the T-plate 508 also drives the insertion rod 510 to move, when the insertion rod 510 moves to the appropriate position, the two positioning rods 502 on the two extension plates 501 on the second connecting seat 3 are aligned with the positioning holes 503, and then the second connecting seat 3 is inserted into the inner part of the first connecting seat 2. When the second connecting seat 3 and the first connecting seat 2 are plugged in, the positioning rod 502 and the positioning hole 503 are also plugged in. When the positioning rod 502 is located inside the positioning hole 503, the pull rod 509 is released, and the resilience of the spring 506 is used to reset the insertion rod 510. The insertion rod 510 is reset and then inserted into the inside of the insertion hole 511. The insertion rod 510 and the insertion hole 511 are plugged in, so that the positioning rod 502 is limited inside the positioning hole 503. The positioning rod 502 is limited inside the positioning hole 503, so that the second connecting seat 3 is limited inside the first connecting seat 2, thereby completing the docking operation of the connecting pipe 4 and the exhaust pipe body 1. Through the cooperation of the above-mentioned structure, the process of docking the drainage pipe body with the connecting pipe 4 is time-saving and labor-saving, which greatly improves work efficiency and saves working time. When it is necessary to fix the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1, firstly slide the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1. When the heat insulation roller 61 slides to a suitable position on the outer wall surface of the exhaust pipe body 1, rotate the rotating wheel 64. The rotation of the rotating wheel 64 drives the threaded rod 63 to rotate. The rotation of the threaded rod 63 drives the movable plate 66 to move inside the groove 65. The movable plate 66 moves inside the groove 65 to drive the limit rod 67 to move. The limit rod 67 moves so that it inserts itself into the limit seat 68, thereby fixing the heat insulation roller 61 on the outer wall surface of the exhaust pipe body 1. Through the cooperation of the above-mentioned structure, after the test is completed, the heat insulation roller 61 can be used to isolate the heat of the exhaust pipe body 1 to avoid the staff from directly touching the exhaust pipe body 1 and being burned.
[0035] The above is only a preferred embodiment of the utility model, and does not limit the utility model in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the technical solution of the utility model still belongs to the protection scope of the technical solution of the utility model. In the description of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood by specific circumstances.
Claims
1. An engine exhaust pipe, comprising an exhaust pipe body (1), a first connection seat (2) being fixedly mounted on one end of the exhaust pipe body (1), a second connection seat (3) being movably inserted inside the first connection seat (2), a connection pipe (4) being fixedly mounted on the surface of one end of the second connection seat (3) away from the first connection seat (2), characterized in that: A limiting device (5) is provided on the surface of the second connecting seat (3), and the limiting device (5) comprises two extension plates (501). The two extension plates (501) are fixedly mounted on the surface of the second connecting seat (3), and a positioning rod (502) is fixedly mounted on the bottom surface of the extension plate (501). Two positioning holes (503) are provided on the surface of the first connecting seat (2).
2. An engine exhaust pipe according to claim 1, characterized in that: U-shaped rods (504) are fixedly mounted on both side walls of the first connecting seat (2); two sliders (505) are slidably connected to the surface of the U-shaped rod (504); and a spring (506) is fixedly mounted between the two sliders (505).
3. An engine exhaust pipe according to claim 2, characterized in that: A traction plate (507) is hingedly connected to the surface of the slider (505); a T-shaped plate (508) is hingedly connected to the surface of one end of the traction plate (507) away from the slider (505); a pull rod (509) is fixedly installed on the surface of the T-shaped plate (508); an insertion rod (510) is fixedly installed on the surface of one end of the T-shaped plate (508) away from the pull rod (509); and an insertion hole (511) is provided on the outer wall surface of the positioning rod (502).
4. The engine exhaust pipe according to claim 1, characterized in that: The outer wall surface of the exhaust pipe body (1) is provided with a heat insulation device (6), and the heat insulation device (6) comprises a heat insulation roller (61), and the heat insulation roller (61) is slidably sleeved on the outer wall surface of the exhaust pipe body (1), and a U-shaped plate (62) is fixedly mounted on the outer wall surface of the heat insulation roller (61), and a threaded rod (63) is rotatably connected between the inner walls at both ends of the U-shaped plate (62), and a rotating wheel (64) is fixedly mounted on one end of the threaded rod (63).
5. An engine exhaust pipe according to claim 4, characterized in that: A groove (65) is formed on the inner wall surface of the U-shaped plate (62), and a movable plate (66) is threadedly connected to the surface of the threaded rod (63).
6. An engine exhaust pipe according to claim 5, characterized in that: A limiting rod (67) is fixedly mounted on the bottom surface of the movable plate (66), and a limiting seat (68) is fixedly mounted on the outer wall surface of the exhaust pipe body (1).