Connecting pipe fitting assembly for automobile chassis

Abstract

The utility model discloses a connecting pipe fitting assembly for an automobile chassis, which comprises a joint pipe, an external member and a matched straight pipe, the joint pipe comprises a clamping sleeve section used for being matched with the external member, a straight pipe section used for being matched with the matched straight pipe and a connecting pipe section used for being communicated with the clamping sleeve section and the straight pipe section, the clamping sleeve pipe section is provided with a monitoring device used for detecting the connection sealing performance of the external member and the clamping sleeve pipe section. According to the connecting pipe fitting assembly for the automobile chassis, the sealing ring and the connecting reinforcing structure are arranged at the connecting position of the external member and the connector pipe and the connecting position of the matched straight-through pipe and the connector pipe respectively, so that the sealing performance of the interior of the connecting pipe fitting assembly is guaranteed; meanwhile, a monitoring device used for monitoring the connection sealing performance is further arranged at the connecting position of the external member and the connector pipe so that the sealing performance in the connecting pipe fitting assembly can be detected in real time.

Description

Technical Field

[0001] The utility model relates to the technical field of connecting pipe fittings, in particular to a connecting pipe fitting assembly for an automobile chassis. Background Art

[0002] The automobile chassis connecting pipe assembly is an important part of the automobile chassis system, which mainly plays the role of connecting, supporting and transmitting liquids or gases. This assembly usually includes various pipes, joints, valves and brackets, which work together to ensure the normal operation of the automobile chassis system.

[0003] At present, in the actual application process of the connecting pipe assembly for automobile chassis, the installation between the connecting pipes is mostly through the setting of sealing rings to ensure the sealing inside the connecting pipe assembly. However, after long-term use, the conventional connection structure will gradually weaken the sealing inside the connecting pipe assembly, and the user cannot monitor the internal sealing in real time, and can only know when the leakage is serious. Therefore, it is necessary to improve the existing connecting pipe assembly structure for automobile chassis, strengthen the connection sealing between the pipes, and achieve real-time detection of the sealing inside the connecting pipe assembly. Utility Model Content

[0004] In view of this, the utility model provides a connecting pipe assembly for an automobile chassis, wherein a sealing ring and a connection reinforcement structure are respectively arranged at the connection between the kit and the joint pipe and at the connection between the matching straight-through pipe and the joint pipe to ensure the sealing inside the connecting pipe assembly; at the same time, a monitoring device for monitoring the connection sealing is also arranged at the connection between the kit and the joint pipe to perform real-time detection of the sealing inside the connecting pipe assembly.

[0005] The utility model provides a connecting pipe assembly for an automobile chassis, comprising a joint pipe, a kit and a matching straight-through pipe, wherein the joint pipe comprises a sleeve pipe section for matching with the kit, a straight pipe section for matching with the matching straight-through pipe and a connecting pipe section for connecting the sleeve pipe section and the straight pipe section, and the sleeve pipe section is provided with a monitoring device for detecting the sealing performance of the connection between the kit and the sleeve pipe section.

[0006] Furthermore, the kit includes a connecting sleeve, a connecting straight pipe and a fastening sleeve which are sequentially installed in the ferrule tube section from the inside to the outside, and a first step hole for installing the connecting sleeve and a second step hole for installing the fastening sleeve are sequentially arranged in the axial direction from the inside to the outside in the ferrule tube section, the connection between the connecting straight pipe and the ferrule tube section is arranged between the first step hole and the second step hole, a first seal is radially arranged between the connecting sleeve and the ferrule tube section at the first step hole, and a through hole for installing a monitoring device is radially arranged on the outside of the first seal at the first step hole in the ferrule tube section.

[0007] Furthermore, the monitoring device includes a push rod movably installed in the through hole and a probe arranged in the through hole and used to cooperate with the push rod, a push block is arranged at the end of the push rod facing outward, a support column for supporting the push block is arranged in the middle of the through hole, and a fixing frame for installing the probe is arranged at the end of the through hole facing outward.

[0008] Furthermore, the probe is arranged inside the fixing frame, and the bottom end of the probe passes through the fixing frame and extends to the outside of the fixing frame, and the probe is wirelessly connected to the alarm system on the vehicle body.

[0009] Furthermore, one end of the connecting sleeve abuts against the first stepped hole, the other end of the connecting sleeve is axially provided with a protrusion, and the end of the connecting straight pipe close to the connecting sleeve is axially provided with a groove for movably mounting and cooperating with the protrusion.

[0010] Furthermore, the fastening sleeve is threadedly connected to the sleeve pipe section in the second stepped hole, and one end close to the connecting straight pipe abuts against the end surface of the opposite end of the connecting straight pipe groove portion.

[0011] Furthermore, the matching straight-through pipe is provided with a connecting angle block at the end close to the straight pipe section, and the straight pipe section is provided with a connecting angle groove for engaging with the connecting angle block.

[0012] Furthermore, the matching straight-through pipe includes an end section and a pipe body section, the connecting angle block is arranged on the pipe body section, and a second sealing member cooperating with the straight pipe section is radially arranged on the end section.

[0013] The beneficial effects of the utility model are as follows: the connecting pipe assembly for the automobile chassis provided by the utility model is provided with a detection device. When the sealing effect of the sealing ring 1 is weakened, a leak occurs between the inner cavity 2 and the inner cavity 1, and the internal gas or liquid flows into the through hole. The ejector rod and the ejector block provided inside the through hole rise. When the ejector block rises and contacts the probe, the probe is triggered and the alarm system sounds an alarm, thereby achieving the effect of reminding personnel to replace the sealing ring 1. In addition, the design achieves the effect of ensuring the internal sealing of the inner cavity 3 by arranging the sealing ring 2 at the end section of the matching straight-through pipe, then inserting the matching straight-through pipe into the interior of the joint pipe, and engaging the corner block on the pipe body section with the corner groove provided inside the joint pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0015] Figure 1 A structural schematic diagram showing an exemplary embodiment of the present utility model;

[0016] Figure 2 A structural cross-sectional view showing an exemplary embodiment of the present utility model;

[0017] Figure 3 for Figure 2 A magnified image of point A;

[0018] Figure 4 for Figure 2 The enlarged view of point B;

[0019] The figures are marked as follows: 1-connecting pipe; 2-casing pipe section; 3-connecting pipe section; 4-inner cavity one; 5-straight pipe section; 31-suite; 32-matching straight-through pipe; 33-monitoring device; 311-fastening sleeve; 312-connecting straight pipe; 313-connecting pipe sleeve; 314-inner cavity two; 315-sealing ring one; 321-inner cavity three; 322-tube body section; 323-connecting angle groove; 324-sealing ring two; 325-end section; 326-connecting angle block; 331-through hole; 332-top rod; 333-support column; 334-top block; 335-probe; 336-fixing bracket. DETAILED DESCRIPTION

[0020] As shown in the figure, the connecting pipe assembly for automobile chassis provided by the utility model includes a joint pipe 1, a kit 31 and a matching straight-through pipe 32, wherein the joint pipe 1 includes a sleeve pipe section 2 for cooperating with the kit 31, a straight pipe section 5 for cooperating with the matching straight-through pipe 32, and a connecting pipe section 3 for connecting the sleeve pipe section 2 and the straight pipe section 5, and the sleeve pipe section 2 is provided with a monitoring device 33 for detecting the sealing of the connection between the kit 31 and the sleeve pipe section 2; wherein the connecting pipe assembly includes a joint pipe 1, a kit 31 and a matching straight-through pipe 32, and the joint pipe 1 includes a sleeve pipe section 2 for cooperating with the kit 31, a straight pipe section 5 for cooperating with the matching straight-through pipe 32, and a connecting pipe section 3 for connecting the sleeve pipe section 2 and the straight pipe section 5, and a monitoring device for monitoring the sealing of the connection between the kit 31 and the joint pipe 1 is provided at the connection between the two, so as to perform real-time detection of the sealing inside the connecting pipe assembly.

[0021] In this embodiment, the kit 31 includes a connecting sleeve 313, a connecting straight pipe 312 and a fastening sleeve 311 which are sequentially installed in the ferrule tube section 3 from the inside to the outside. A first stepped hole for installing the connecting sleeve 313 and a second stepped hole for installing the fastening sleeve 311 are sequentially arranged in the axial direction from the inside to the outside in the ferrule tube section 3. The connection between the connecting straight pipe 312 and the ferrule tube section 3 is arranged between the first stepped hole and the second stepped hole. A first sealing member is radially arranged between the connecting sleeve 313 and the ferrule tube section 3 at the first stepped hole. The ferrule tube section 3 is radially provided with a through hole 331 for installing a monitoring device at the first stepped hole outside the first sealing member. The fastening sleeve 311 is threadedly connected to the ferrule tube section 2 in the second stepped hole, and one end of the fastening sleeve 311 close to the connecting straight pipe 312 abuts against the end surface of the opposite end of the groove portion of the connecting straight pipe 312.

[0022] Combination Figure 2 and Figure 3 As shown, the first sealing member is a sealing ring 1 315, the kit 31 includes a fastening sleeve 311, a connecting straight pipe 312 is arranged inside the joint pipe 1, a connecting pipe sleeve 313 is movably installed inside the joint pipe 1, an inner cavity 2 314 is arranged inside the connecting straight pipe 312, a sealing ring 1 315 is fixedly installed on the outer side of the connecting pipe sleeve 313, the fastening sleeve 311 is fixedly installed inside the sleeve pipe section 2, the fastening sleeve 311 and the sleeve pipe section 2 are fixedly installed by threads, the right end of the fastening sleeve 311 contacts the end face of the straight pipe 312, the straight pipe 312 and the connecting pipe sleeve 313 are movably installed, the left end of the connecting pipe sleeve 313 passes through the straight pipe 312 and extends to the inside of the straight pipe 312, and the inner cavity 2 314 is connected with the inner cavity 1 4.

[0023] In this embodiment, the monitoring device 33 includes a top rod 332 movably installed in the through hole 331 and a probe 335 arranged in the through hole 331 and used to cooperate with the top rod 332, a top block 334 is arranged at the end of the top rod 335 facing the outside, a support column 333 for supporting the top block 334 is arranged in the middle of the through hole 331, and a fixing frame 336 for installing the probe 335 is arranged at the end facing the outside of the through hole 331; the probe 335 is arranged inside the fixing frame 336 and the bottom end of the probe 335 passes through the fixing frame 336 and extends to the outside of the fixing frame 336, and the probe 335 is wirelessly connected to the alarm system on the vehicle body; Figure 2 and Figure 4 As shown, the monitoring device 33 includes a top rod 332 movably mounted inside the through hole 331, a support column 333 is fixedly mounted in the middle of the through hole 331, a top block 334 is fixedly mounted on the top of the top rod 332, a probe 335 is arranged inside the through hole 331, a fixing frame 336 is fixedly mounted on the top of the through hole 331, the through hole 331 is opened inside the joint pipe 1, the through hole 331 is arranged on the left side of the sealing ring 315, the support column 333 is fixedly mounted on the inner wall of the joint pipe 1, the top of the support column 333 is in contact with the bottom of the top block 334, the probe 335 is fixedly mounted inside the fixing frame 336, the bottom end of the probe 335 passes through the fixing frame 336 and extends to the outside of the fixing frame 336, and the probe 335 is wirelessly connected to the alarm system;

[0024] When the sealing effect of the sealing ring 315 is weakened, a leak occurs between the inner cavity 314 and the inner cavity 4, and the internal gas or liquid flows into the through hole 331. The top rod 332 set in the through hole 331 rises, driving the top block 334 fixed on the top of the top rod 332 to rise. When the top block 334 rises and contacts the probe 335, the probe 335 is triggered, and the alarm system wirelessly connected to the probe 335 sounds an alarm, reminding the personnel that the sealing ring 315 needs to be replaced.

[0025] In this embodiment, one end of the connecting sleeve 313 abuts against the first stepped hole, the other end of the connecting sleeve 313 is axially provided with a protrusion, and the end of the connecting straight pipe 312 close to the connecting sleeve 313 is axially provided with a groove part that is movably mounted and matched with the protrusion; Figure 2 and Figure 3 As shown, by respectively providing a protrusion and a groove matching the protrusion at the connection between the connecting sleeve 313 and the connecting straight pipe 312, the connecting sleeve 313 and the connecting straight pipe 312 can be installed and positioned, which is beneficial to improving the connection strength between the connecting sleeve 313 and the connecting straight pipe 312.

[0026] In this embodiment, the matching straight-through pipe 32 is provided with a connecting angle block 326 at the end close to the straight pipe section 5, and the straight pipe section 5 is provided with a connecting angle groove 323 for engaging with the connecting angle block 326; the matching straight-through pipe 32 includes an end section 325 and a pipe body section 322, the connecting angle block 326 is provided on the pipe body section 322, and a second sealing member cooperating with the straight pipe section 5 is radially provided on the end section; combined Figure 2 As shown, the second sealing member is a sealing ring 2 324, the matching straight-through pipe 32 is provided with an inner cavity 321 and includes an end section 325 and a tube section 322, the end section 325 and the tube section 322 can be made in one piece, or can be a split structure that is fixed and installed to form a whole; specifically, the matching straight-through pipe 32 is arranged at the other end of the joint pipe 1 and the top end of the matching straight-through pipe 32 passes through the joint pipe 1 and extends to the inside of the joint pipe 1, the inside of the joint pipe 1 is provided with a connecting angle groove 323, the end section 325 of the joint pipe 1 is provided with a sealing ring 2 324, and the tube section 322 is provided with a sealing ring 2 324. A connecting angle block 326 is fixedly installed at one end of the segment 322 close to the joint pipe 1, the connecting angle groove 323 and the connecting angle block 326 are adapted to each other, and the inner cavity three 321 and the inner cavity one 4 are connected; the sealing ring two 324 and the end segment 325 are fixedly installed, and then the matching straight-through pipe 32 is inserted into the interior of the joint pipe 1, and the connecting angle block 326 is engaged with the connecting angle groove 323 opened in the joint pipe 1. The setting of the connecting angle block 326 and the connecting angle groove 323 can ensure the sealing of the inner cavity three 321 and the connection strength between the matching straight-through pipe 32 and the joint pipe 1.

[0027] In this embodiment, when in use, the connecting pipe sleeve 313 and the sealing ring 1 315 are first fixedly installed, and then the connecting pipe sleeve 313 is placed in the interior of the joint pipe 1, and then one end of the connecting straight pipe 312 is inserted into the interior of the joint pipe 1 and plugged with the left end of the connecting pipe sleeve 313, and finally the fastening sleeve 311 and the sleeve pipe section 3 are threadedly installed, and the right end of the fastening sleeve 311 will be tightly pressed against the connecting straight pipe 312 to complete the installation of the connecting straight pipe 312; and when installing the matching straight pipe 32, the sealing ring 2 324 is first fixedly installed on the end section 325, and then the matching straight pipe 32 is inserted into the interior of the joint pipe 1, and the corner block 326 is fixedly engaged with the corner groove 323 opened in the joint pipe 1.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A connecting pipe assembly for automobile chassis, characterized in that: It comprises a joint pipe, a kit and a matching straight-through pipe, wherein the joint pipe comprises a sleeve pipe section for matching with the kit, a straight pipe section for matching with the matching straight-through pipe and a connecting pipe section for connecting the sleeve pipe section and the straight pipe section, and the sleeve pipe section is provided with a monitoring device for detecting the sealing of the connection between the kit and the sleeve pipe section.

2. The connecting pipe assembly for automobile chassis according to claim 1, characterized in that: The kit includes a connecting sleeve, a connecting straight pipe and a fastening sleeve which are sequentially installed in the ferrule tube section from the inside to the outside. A first step hole for installing the connecting sleeve and a second step hole for installing the fastening sleeve are sequentially arranged in the ferrule tube section along the axial direction from the inside to the outside. The connection between the connecting straight pipe and the ferrule tube section is arranged between the first step hole and the second step hole. A first seal is radially arranged between the connecting sleeve and the ferrule tube section at the first step hole. The ferrule tube section is radially provided with a through hole for installing a monitoring device at the first step hole outside the first seal.

3. The connecting pipe assembly for automobile chassis according to claim 2, characterized in that: The monitoring device includes a push rod movably installed in the through hole and a probe arranged in the through hole and used to cooperate with the push rod, a push block is arranged at the end of the push rod facing outward, a support column for supporting the push block is arranged in the middle of the through hole, and a fixing frame for installing the probe is arranged at the end of the through hole facing outward.

4. The connecting pipe assembly for automobile chassis according to claim 3 is characterized in that: The probe is arranged inside the fixing frame, and the bottom end of the probe penetrates the fixing frame and extends to the outside of the fixing frame. The probe is wirelessly connected to the alarm system on the vehicle body.

5. The connecting pipe assembly for automobile chassis according to claim 2, characterized in that: One end of the connecting sleeve abuts against the first stepped hole, the other end of the connecting sleeve is axially provided with a protrusion, and the end of the connecting straight pipe close to the connecting sleeve is axially provided with a groove for movably mounting and cooperating with the protrusion.

6. The connecting pipe assembly for automobile chassis according to claim 5, characterized in that: The fastening sleeve is threadedly connected to the sleeve pipe section in the second stepped hole, and one end close to the connecting straight pipe abuts against the end surface of the opposite end of the connecting straight pipe groove.

7. The connecting pipe assembly for automobile chassis according to claim 1, characterized in that: The matching straight-through pipe is provided with a connecting angle block at the end close to the straight pipe section, and the straight pipe section is provided with a connecting angle groove for engaging with the connecting angle block.

8. The connecting pipe assembly for automobile chassis according to claim 7, characterized in that: The matching straight-through pipe comprises an end section and a pipe body section, the connecting angle block is arranged on the pipe body section, and a second sealing member cooperating with the straight pipe section is radially arranged on the end section.

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