Anti-loosening protective sleeve for pipe orifice of urea heating pipe for vehicle
By designing a protective sleeve for the urea heating tube with hinges and hooks, the problem of the urea heating tube loosening and falling off during bumpy rides was solved, achieving a stable tube connection and ensuring the normal use of the urea heating tube.
Patent Information
- Application Number
- CN202422815994.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing automotive urea heating pipes are prone to loosening or falling off due to bumps during vehicle operation, affecting normal use.
A protective sleeve comprising a first sheath and a second sheath is designed, which is connected by a hinge and equipped with a connecting assembly of hooks and bayonets to enhance the fixation of the urea heating pipe inlet.
It effectively prevents the urea heating tube from loosening and falling off, ensuring the normal use of the urea heating tube and making it easy to operate.
Smart Images

Figure CN223594264U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to urea heating pipe technical field especially is related to a vehicle -used urea heating pipe mouth anti -loosening protective sleeve. BACKGROUND
[0002] Urea heating pipe is one component part in the automobile urea exhaust treatment system, its function is through heating urea solution and makes it decompose into ammonia gas, and through ammonia gas reduction catalyst nitrogen oxide, thereby reducing the nitrogen oxide of engine exhaust emission.
[0003] The mouth of the existing vehicle -used urea heating pipe installs and adopts the mode of connecting in the process of inserting, and the urea heating pipe mouth appears loosening in the process of meeting the jolt of automobile driving, even appears the phenomenon of urea heating pipe falling off, thereby greatly influence the normal use of urea heating pipe, in order to solve this difficult problem, therefore a vehicle -used urea heating pipe mouth anti -loosening protective sleeve is provided. UTILITY MODEL CONTENT
[0004] The utility model solves the technical problem that the urea heating pipe mouth appears loosening in the process of meeting the jolt of automobile driving, even appears the phenomenon of urea heating pipe falling off, thereby greatly influence the normal use of urea heating pipe.
[0005] In order to solve the above technical problem, one technical scheme of the utility model is provided: provide a vehicle -used urea heating pipe mouth anti -loosening protective sleeve, including first sheath and second sheath, be provided with the hinge between first sheath and second sheath, the both ends rotating piece of hinge are fixedly connected with the surface of first sheath and second sheath respectively, the surface one side of first sheath is fixedly connected with first connecting sleeve, the surface one side of second sheath is fixedly connected with second connecting sleeve;
[0006] First connecting sleeve and second connecting sleeve are provided with first connecting assembly for the fixing of vehicle -used urea heating pipe mouth between, first sheath and second sheath are provided with second connecting assembly for the fixing of vehicle -used urea heating pipe mouth between close first connecting assembly.
[0007] Preferably, the first connecting assembly includes two groups of first connecting plates, two groups of the first connecting plates are fixedly connected to the surface of the first connecting sleeve, a first clasp is fixedly connected to the surface of each group of the first connecting plates, two first mounting blocks are fixedly connected to the surface of the second connecting sleeve, a first bayonet is formed in the surface of each of the first mounting blocks, the first clasp and the first bayonet are matched to facilitate the fastening of the first connecting sleeve and the second connecting sleeve, and the fixation of the vehicle -used urea heating pipe mouth is strengthened.
[0008] Preferably, the second connecting assembly comprises two second connecting plates fixedly connected to the surface of the first sheath, and a second clasp fixedly connected to the surface of the two second connecting plates, a second mounting block fixedly connected to the surface of the second sheath, and a second clasp opening formed in the surface of the second mounting block.
[0009] Preferably, the two first clasps and the corresponding first clasps are matched with each other, and the two first clasps are clamped and installed into the inside of the corresponding first clasps, so that the first clasps and the first clasps are quickly connected and conveniently disassembled.
[0010] Preferably, the second clasp and the corresponding second clasp are matched with each other, and the second clasp is clamped and installed into the inside of the corresponding second clasp, so that the second clasp and the second clasp are quickly connected and conveniently disassembled.
[0011] Preferably, the inside of the first sheath and the second sheath is penetrated by a positioning block, so that the position of the protective sleeve is fixed after installation.
[0012] The beneficial effects of the utility model are as follows:
[0013] The utility model discloses a first connecting assembly, second connecting assembly, first connecting sleeve and second connecting sleeve etc. structure can be installed under the cooperation of the first clasp and the first clasp, and the cooperation of the second clasp and the second clasp, and the urea heating pipe nozzle is fixed conveniently, the phenomenon of loosening and falling off is avoided, the normal use of the urea heating pipe is guaranteed, and the practicality is stronger. ACCURACY
[0014] Fig. 1 It is the perspective view of the utility model discloses a kind of vehicle urea heating pipe nozzle anti-loosening protective sleeve;
[0015] Fig. 2 It is the plan view of the utility model discloses a kind of vehicle urea heating pipe nozzle anti-loosening protective sleeve;
[0016] Fig. 3 It is the side view of the utility model discloses a kind of vehicle urea heating pipe nozzle anti-loosening protective sleeve.
[0017] In the drawing: 1, first sheath;2, first connecting sleeve;3, first clasp;4, first connecting plate;5, second connecting plate;6, second clasp;7, hinge;8, positioning block;9, second mounting block;10, second clasp opening;11, first mounting block;12, first clasp opening;13, second connecting sleeve;14, second sheath. DETAILED DESCRIPTION
[0018] The advantages and features of the present application will be more apparent from the following detailed description of preferred embodiments of the present application, taken in conjunction with the accompanying drawings, in which:
[0019] Please refer to Figs. 1-3 A vehicle urea heating pipe orifice anti-loosening protective sleeve, comprising a first sleeve 1 and a second sleeve 14, a hinge 7 is arranged between the first sleeve 1 and the second sleeve 14, facilitating rotation between the first sleeve 1 and the second sleeve 14, both ends of the hinge 7 are rotatably connected to the surfaces of the first sleeve 1 and the second sleeve 14, a first connecting sleeve 2 is fixedly connected to one side of the surface of the first sleeve 1, and a second connecting sleeve 13 is fixedly connected to one side of the surface of the second sleeve 14.
[0020] A first connecting assembly for fixing the vehicle urea heating pipe orifice is arranged between the first connecting sleeve 2 and the second connecting sleeve 13, a second connecting assembly for fixing the vehicle urea heating pipe orifice is arranged between the first sleeve 1 and the second sleeve 14 close to the first connecting assembly, and a positioning block 8 is arranged to penetrate and be installed in the interiors of the first sleeve 1 and the second sleeve 14, so as to fix the position after installation of the protective sleeve.
[0021] As shown in Fig. 1 and Fig. 2 , the first connecting assembly comprises two groups of first connecting plates 4, the first connecting plates 4 are fixedly connected to the surface of the first connecting sleeve 2, the first connecting plates 4 are jointly fixedly connected to the surface of each group of first connecting plates 4, two first mounting blocks 11 are fixedly connected to the surface of the second connecting sleeve 13, first clamping holes 12 are formed in the surfaces of the first mounting blocks 11, the first connecting sleeve 2 and the second connecting sleeve 13 are fastened and connected through cooperation of the first clamping hooks 3 and the first clamping holes 12, the fixing of the vehicle urea heating pipe orifice is strengthened, the second connecting assembly comprises two second connecting plates 5, the second connecting plates 5 are fixedly connected to the surface of the first sleeve 1, the second connecting plates 5 are jointly fixedly connected to the surfaces of the two second connecting plates 5, a second mounting block 9 is fixedly connected to the surface of the second sleeve 14, a second clamping hole 10 is formed in the surface of the second mounting block 9, the first sleeve 1 and the second sleeve 14 are fastened and connected through cooperation of the second clamping hooks 6 and the second clamping holes 10, the fixing of the vehicle urea heating pipe orifice is strengthened, the two first clamping hooks 3 are matched with the corresponding first clamping holes 12, the first clamping hooks 3 are clamped and installed into the interiors of the corresponding first clamping holes 12, the first clamping hooks 3 and the first clamping holes 12 are quickly connected, and the first clamping hooks 3 and the first clamping holes 12 are also convenient to disassemble, the second clamping hooks 6 are matched with the corresponding second clamping holes 10, the second clamping hooks 6 are clamped and installed into the interiors of the corresponding second clamping holes 10, the second clamping hooks 6 and the second clamping holes 10 are quickly connected, and the second clamping hooks 6 and the second clamping holes 10 are also convenient to disassemble.
[0022] The utility model discloses when using, first sheath 1 and second sheath 14 are installed to the outside of the pipe orifice of vehicle urea heating pipe, make first sheath 1 and second sheath 14 between closing, utilize second clasp 6 and install to the inside of second card mouth 10, first connecting sleeve 2 and second connecting sleeve 13 close, utilize first clasp 3 and install to the inside of first card mouth 12, make vehicle urea heating pipe pipe orifice further fixed, prevent the phenomenon of loose, the process of operation is more convenient, and the practicality is stronger.
[0023] The above-mentioned is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and attached drawing contents, or direct or indirect application in other related technical fields, are all included in the patent protection range of the utility model.
Claims
1. A protective sleeve for preventing loosening of the inlet of a vehicle urea heating pipe, comprising a first sleeve (1) and a second sleeve (14), characterized in that: A hinge (7) is provided between the first sheath (1) and the second sheath (14). The rotating parts at both ends of the hinge (7) are fixedly connected to the surfaces of the first sheath (1) and the second sheath (14), respectively. A first connecting sleeve (2) is fixedly connected to one side of the surface of the first sheath (1), and a second connecting sleeve (13) is fixedly connected to one side of the surface of the second sheath (14). A first connecting component for fixing the port of the vehicle urea heating pipe is provided between the first connecting sleeve (2) and the second connecting sleeve (13), and a second connecting component for fixing the port of the vehicle urea heating pipe is provided between the first sheath (1) and the second sheath (14) near the first connecting component.
2. The anti-loosening protective sleeve for the inlet of a vehicle urea heating pipe according to claim 1, characterized in that: The first connecting component includes two sets of first connecting plates (4), the two sets of first connecting plates (4) are fixedly connected to the surface of the first connecting sleeve (2), and a first hook (3) is fixedly connected to the surface of each set of first connecting plates (4). Two first mounting blocks (11) are fixedly connected to the surface of the second connecting sleeve (13), and a first slot (12) is opened on the surface of each of the two first mounting blocks (11).
3. The anti-loosening protective sleeve for the inlet of a vehicle urea heating pipe according to claim 1, characterized in that: The second connecting assembly includes two second connecting plates (5), which are fixedly connected to the surface of the first sheath (1). A second hook (6) is fixedly connected to the surface of the two second connecting plates (5). A second mounting block (9) is fixedly connected to the surface of the second sheath (14), and a second slot (10) is provided on the surface of the second mounting block (9).
4. The anti-loosening protective sleeve for the inlet of a vehicle urea heating pipe according to claim 3, characterized in that: The two first hooks (3) are matched with the corresponding first slots (12), and the two first hooks (3) are snapped into the interior of the corresponding first slots (12).
5. The anti-loosening protective sleeve for the inlet of a vehicle urea heating pipe according to claim 4, characterized in that: The second hook (6) matches the corresponding second slot (10), and the second hook (6) is snapped into the interior of the corresponding second slot (10).
6. The anti-loosening protective sleeve for the inlet of a vehicle urea heating pipe according to claim 1, characterized in that: Positioning blocks (8) are installed through the interior of both the first sheath (1) and the second sheath (14).