Air pipe connector

Abstract

The utility model provides an air pipe connector, which relates to the technical field of vehicle pipeline connectors, and comprises a connecting pipe, a partition plate is arranged on the edge of one end close to the connecting pipe, a communicating hole and a vent hole are arranged on the partition plate, and the other end of the connecting pipe is connected with a joint; a communicating hole is formed in the connecting pipe, a tappet is arranged in the connecting pipe, one end of the tappet penetrates through the communicating hole in a sliding mode and extends out of the connecting pipe, an abutting ring is arranged at the other end of the tappet, an assembling groove is formed in the end, close to the abutting ring, of the connecting pipe, and the abutting ring is detachably connected with the assembling groove. According to the utility model, the connector is detachably connected with the connecting pipe, and one end, far away from the connecting pipe, of the connector is connected with the vehicle body, so that when the abutting ring abuts against the assembling groove formed in the connecting pipe, a gas circulation channel of the connecting pipe is separated, and compressed air from the connector cannot leak.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle pipeline connector technical field, concretely relates to a wind pipe connector. BACKGROUND

[0002] The wind pipe connector is a wind pipe automatic connecting device used to improve the automation of the hooking and unhooking of two adjacent train cars, and the purpose is to ensure that the air path is automatically connected while the two car hooks are mechanically hooked, and the air path can be automatically locked after the two car hooks are unhooked and separated, to prevent air leakage. For example, the Chinese patent (publication number CN216307025U) discloses a wind pipe connector for a tight type car hook and a car hook, and the end face sealing pad of the wind pipe connector after the car hook is hooked is installed on the tappet. Although the structure is simplified, the diameter of the tappet is limited, and the space of the rear air inlet hole is limited, which will make the wind pipe connector smaller in diameter and slower in inflation process. At the same time, a sealing ring is added between the tappet and the cylinder, which increases the risk of leakage and has no actual gain for use and maintenance. Therefore, the utility model provides a wind pipe connector to improve the above problems. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the poor sealing effect of the wind pipe connector in the prior art, thereby providing a wind pipe connector.

[0004] To solve the above problems, the utility model provides a wind pipe connector, which comprises:

[0005] A connecting pipe is provided with a partition plate near one end edge of the connecting pipe, the partition plate is provided with a communication hole and an air hole, and the other end of the connecting pipe is connected with a connector;

[0006] A tappet is arranged in the connecting pipe, one end of the tappet slidably penetrates the communication hole and extends out of the connecting pipe, the other end of the tappet is provided with an abutting ring, one end of the connecting pipe near the abutting ring is provided with an assembly groove, and the abutting ring and the assembly groove are detachably connected.

[0007] Preferably, the connecting pipe is connected with a mounting seat, and the connecting pipe is arranged in parallel on the mounting seat.

[0008] Preferably, the communication hole is arranged at the center of the partition plate, and a plurality of air holes are uniformly arranged around the communication hole.

[0009] Preferably, the connecting pipe is further provided with a connecting groove near one end of the partition plate, an end face sealing ring is arranged in the connecting groove, the end face sealing ring and the connecting groove are detachably connected, and a gap is arranged between the end face sealing ring and the tappet.

[0010] Preferably, the joint is provided with a positioning ring near one end of the connecting pipe, the positioning ring and the connecting pipe are clamped, the connecting pipe is provided with a sealing groove near the joint, and a first sealing ring is arranged in the sealing groove;

[0011] The other end of the joint is provided with a threaded ring to connect a vehicle end hose.

[0012] Preferably, the joint is further provided with an abutting block near one end of the connecting pipe, and a spring is further arranged between the abutting block and one end of the tappet near the joint, and two ends of the spring abut against the abutting ring and the abutting block respectively.

[0013] Preferably, an assembly ring is arranged near the inner side edge of the assembly groove, the abutting ring is provided with an annular groove near the assembly ring, the annular groove and the assembly ring are clamped, the bottom of the annular groove is further provided with a limiting groove outside, and a second sealing ring is further arranged in the bottom of the annular groove and the limiting groove.

[0014] The air pipe connector has the following beneficial effects:

[0015] 1. The joint and the connecting pipe are detachably connected, one end of the joint away from the connecting pipe is connected with a vehicle body, when the abutting ring and the assembly groove arranged in the connecting pipe abut, a partition for the gas flow channel of the connecting pipe is formed, so that compressed air passing through the joint cannot leak;

[0016] 2. When the tappets of two vehicle bodies abut together, the two end faces of the drawbar contact, the end face sealing ring is compressed at this time, the sealing of the end face is realized, so that the compressed air in the air pipe connector cannot leak when the two vehicle bodies abut;

[0017] 3. The assembly ring of the assembly groove and the annular groove of the abutting ring are clamped, when they abut, a partition for the connecting pipe is formed, the flow of gas is prevented, meanwhile, the limiting groove is extended outside the bottom of the annular groove, and the second sealing ring in the bottom of the annular groove and the extended limiting groove abuts against the assembly ring, so that the sealing effect between the assembly ring and the annular groove is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a general assembly three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a front view structure schematic view of the utility model;

[0020] Figure 3 It is a structure installation schematic view of the utility model;

[0021] Figure 4The utility model discloses a structure installation schematic diagram.

[0022] The reference signs are as follows:

[0023] 1, connecting pipe, 2, partition, 3, communication hole, 4, vent hole, 5, joint, 6, tappet, 7, abutment ring, 8, assembly groove, 9, mounting seat, 10, connecting groove, 11, end face sealing ring, 12, alignment ring, 13, sealing groove, 14, assembly ring, 15, annular groove, 16, limiting groove, 17, first sealing ring, 18, abutment block, 19, spring, 20, fastener, 21, second sealing ring. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, the utility model provides a wind pipe connector, it includes:

[0025] Connecting pipe 1, the partition 2 is provided close to one end edge of connecting pipe 1, the communication hole 3 and vent hole 4 are provided on the partition 2, the other end of connecting pipe 1 is connected with joint 5;

[0026] The tappet 6 is arranged in connecting pipe 1, one end of tappet 6 is slidably penetrated through communication hole 3 and extends out of connecting pipe 1, the other end of tappet 6 is provided with abutment ring 7, the assembly groove 8 is provided close to one end of connecting pipe 1 of abutment ring 7, and abutment ring 7 and assembly groove 8 are detachably connected. Figures 1-4 As shown, a wind pipe connector, wherein the whole wind pipe connector is installed on the car hook, wherein the connection between the partition 2 and the connecting pipe 1 can be bonding, welding or bolted connection, the communication hole 3 on the partition 2 is used for the tappet 6 to slide, the tappet 6 and the communication hole 3 are slidably connected, and the vent hole 4 is used for gas to pass through both sides of the partition 2, realizing communication, wherein the joint 5 and the connecting pipe 1 are detachably connected, the end of the joint 5 away from the connecting pipe 1 is connected with the vehicle body, and the connection between the tappet 6 and the abutment ring 7 can be bonding, bolted connection or welding, so that when the abutment ring 7 and the assembly groove 8 provided in the connecting pipe 1 abut, the gas flow passage of the connecting pipe 1 is blocked, so that the compressed air from the joint 5 does not leak, and at this time, the end of the abutment pipe extending out of the communication hole 3 extends out of the connecting pipe 1.

[0027] Figures 1-4As shown, the mounting seat 9 plays a role in supporting and fixing the connecting pipe 1, and the mounting seat 9 can be an integrated plate and fixing ring, the fixing ring is sleeved outside the connecting pipe 1, and the connection can be in the form of bonding or welding, and the bottom of the fixing ring is connected with the plate, and the connection can be in the form of bonding or bolt connection, wherein the corresponding mounting hole is arranged between the joint 5 and the fixing ring, and the mounting hole is connected with the fastener 20 in the form of bolt connection, so that the joint 5 and the fixing ring are connected together by the fastening.

[0028] In some embodiments, the communication hole 3 is arranged at the center of the partition plate 2, and the ventilation hole 4 is uniformly arranged in plurality around the communication hole 3. Figures 1-4 As shown, the communication hole 3 is used for the sliding of the tappet 6, and the ventilation hole 4 is used for the gas to pass through both sides of the partition plate 2.

[0029] In some embodiments, the connecting pipe 1 is further provided with a connecting groove 10 at one end close to the partition plate 2, the connecting groove 10 is provided with an end face sealing ring 11, the end face sealing ring 11 is detachably connected with the connecting groove 10, and a gap is arranged between the end face sealing ring 11 and the tappet 6. Figures 1-4 As shown, the end face sealing ring 11 is commercially available, the end face sealing ring 11 is clamped with the connecting groove 10, the end face sealing ring 11 is projected on the cross section of the partition plate 2, the inner side of the end face sealing ring 11 is located outside the ventilation hole 4, so that it does not interfere with the circulation of the gas in the ventilation hole 4, wherein when the tappets 6 of the two car bodies abut together, the two end faces of the coupler contact, the end face sealing ring 11 is compressed at this time, realizing the sealing of the end face, so that the compressed air in the air pipe connector does not leak when the two car bodies abut.

[0030] In some embodiments, the joint 5 is provided with a positioning ring 12 at one end close to the connecting pipe 1, the positioning ring 12 is clamped with the connecting pipe 1, the connecting pipe 1 is provided with a sealing groove 13 close to the joint 5, and the sealing groove 13 is provided with a first sealing ring 17; the other end of the joint 5 is provided with a threaded ring to connect the car end hose. As shown, Figures 1-4 As shown, the joint 5 is connected with the hose at the car end through the threaded ring, which can be a hose provided with a threaded head, and the hose and the joint 5 are screwed, wherein the positioning ring 12 of the joint 5 is clamped on the side wall of the connecting pipe 1, realizing a part of the connection and sealing effect, at the same time, the first sealing ring 17 in the sealing groove 13 abuts and seals the sealing groove 13, the positioning ring 12 and the joint 5, realizing the sealing of the contact part, wherein the first sealing ring 17 is commercially available.

[0031] In some embodiments, the joint 5 is further provided with an abutting block 18 near one end of the connecting pipe 1, and a spring 19 is further provided between the abutting block 18 and the end of the tappet 6 near the joint 5, and the two ends of the spring 19 abut the abutting ring 7 and the abutting block 18, respectively. Figures 1-4 As shown, the abutting block 18 and the joint 5 can be connected by a connecting rod arranged on the inner side of the joint 5, and the connecting rod connects the inner side of the joint 5 and the abutting block 18, and the connecting mode can be bonding or welding, wherein the spring 19 is commercially available, and the spring 19 abuts between the joint 5 and the tappet 6, so that it can be compressed or released along the sliding direction of the tappet 6, and when the air pipe connector is not working, the spring 19 provides pressure to make the abutting ring 7 tightly fit the fitting groove 8, so that the connector is in a closed state, when the two car bodies abut, the two tappets 6 receive force from each other, so that the spring 19 is compressed, and when the two car bodies are separated, the spring 19 restores the deformation.

[0032] In some embodiments, a fitting ring 14 is arranged near the inner edge of the fitting groove 8, the abutting ring 7 is provided with an annular groove 15 near the fitting ring 14, the annular groove 15 and the fitting ring 14 are clamped, and the outer side of the bottom of the annular groove 15 is further provided with a limiting groove 16, and the bottom of the annular groove 15 and the limiting groove 16 are further provided with a second sealing ring 21. Figures 1-4 As shown, the fitting ring 14 of the fitting groove 8 and the annular groove 15 of the abutting ring 7 form a clamped form, when they abut, a partition in the connecting pipe 1 is formed, which prevents the circulation of gas, at the same time, the limiting groove 16 is extended outside the bottom of the annular groove 15, and the second sealing ring 21 in the annular groove 15 and the extended limiting groove 16 abuts the fitting ring 14, so that the sealing effect between the fitting ring 14 and the annular groove 15 is further improved, wherein the second sealing ring 21 is commercially available.

[0033] The above only describes the preferred embodiments of the present application, and should be pointed out that for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection scope of the present application.

Claims

1. An air duct connector characterized by, The utility model relates to a wind pipe connector, which comprises a connecting pipe, a partition plate arranged near one end edge of the connecting pipe, a communication hole and a ventilation hole arranged on the partition plate, and a joint connected to the other end of the connecting pipe. A tappet is arranged in the connecting pipe, one end of the tappet slidingly penetrates the communication hole and extends out of the connecting pipe, the other end of the tappet is provided with an abutting ring, an assembly groove is arranged near one end of the connecting pipe close to the abutting ring, and the abutting ring and the assembly groove are detachably connected.

2. The wind pipe connector according to claim 1, wherein: The connecting pipe is connected with a mounting seat, and the connecting pipe is arranged in parallel on the mounting seat.

3. The wind pipe connector according to claim 1, wherein: The communication hole is arranged at the center of the partition plate, and a plurality of ventilation holes are uniformly arranged around the communication hole.

4. The wind pipe connector according to claim 1, wherein: The connecting pipe is further provided with a connecting groove near one end of the partition plate, an end face sealing ring is arranged in the connecting groove, the end face sealing ring and the connecting groove are detachably connected, and a gap is arranged between the end face sealing ring and the tappet.

5. The wind pipe connector according to claim 1, wherein: The joint is provided with a positioning ring near one end of the connecting pipe, the positioning ring is clamped with the connecting pipe, the connecting pipe is provided with a sealing groove near the joint, and a first sealing ring is arranged in the sealing groove; The other end of the joint is provided with a threaded ring to connect a vehicle end hose.

6. The wind pipe connector according to claim 1, wherein: The joint is further provided with an abutting block near one end of the connecting pipe, a spring is further arranged between the abutting block and the other end of the tappet close to the joint, and the two ends of the spring abut against the abutting ring and the abutting block, respectively.

7. The wind pipe connector according to claim 1, wherein: An assembly ring is arranged near the inner edge of the assembly groove, the abutting ring is provided with an annular groove near the assembly ring, the annular groove is clamped with the assembly ring, a limiting groove is further arranged at the outer side of the bottom of the annular groove, and a second sealing ring is further arranged in the annular groove bottom and the limiting groove. ​

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