CN213948434U

CN213948434U - Automatic safe latch hook ware of air

Info

Publication number: CN213948434U
Application number: CN202022709297.2U
Authority: CN
Inventors: 王索贵
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-08-13
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses an automatic safe latch hook ware of air, including cylinder body, apron, depression bar, solid fixed ring and fixing base, the side of cylinder body one end has the high-pressure tuber pipe interface of being connected with the tuber pipe, and the depression bar is located the inside of cylinder body with the pull, and the tip that the depression bar is located the inside of cylinder body is fixedly connected with sealed sliding plug; the fixing ring is sleeved on the periphery of the cylinder body and is in threaded connection with the cylinder body; the fixed seat is sleeved on the periphery of the cylinder body and is in threaded connection with the cylinder body; the bottom of fixing base and coupling fixed connection, the top and the solid fixed ring's bottom butt. The utility model discloses an automatic safe latch hook ware of air, after the high-pressure tuber pipe interface inserts the air, the depression bar glides downwards under the pressure of air, and the periphery of cylinder body is located to the fixing base cover, and bottom and coupling fixed connection are as an organic whole, and the top makes the depression bar lapse make the bearing plate can tightly hold coupling hook locking iron through atmospheric pressure with solid fixed ring's bottom butt, prevents to unhook, has improved the factor of safety of coupling locking.

Description

Automatic safe latch hook ware of air

Technical Field

The utility model relates to a train safety accessory technical field, more specifically the saying so relates to an automatic safe latch hook ware of air.

Background

At present, a coupler between a locomotive and a train is directly and mechanically locked only through locking devices such as pins and the like, and the coupler is mistakenly unlocked due to some artificial reasons or other reasons in daily use, so that trains are separated, and train separation accidents are caused.

Therefore, how to provide an air automatic safety latch hook device is a problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an automatic safe latch hook ware of air can carry out safe locking to the coupling through the wind pressure, can effectually prevent under the ventilation state artificial reason or other reasons cause the wrong unblock of coupling, prevents the unhook, simple structure, and is with low costs, excellent in use effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an automatic air safety latch hook device comprises a cylinder body, a pressure lever, a fixing ring and a fixing seat, wherein the cylinder body is in a cylindrical shape with a closed top end and an open bottom end, a high-pressure air pipe connector connected with a high-pressure air pipe is arranged on the side wall close to the top end of the cylinder body, a sealing sliding plug is arranged at one end of the pressure lever, the sealing sliding plug is connected with the inner wall of the cylinder body in a sliding mode, and the other end of the pressure lever is located on the outer side of the cylinder body; the fixing ring is sleeved on the periphery of the cylinder body and is in threaded connection with the cylinder body; the fixed seat is sleeved on the periphery of the cylinder body and is in threaded connection with the cylinder body; the bottom of fixing base and coupling fixed connection, the top with gu fixed ring's bottom butt.

The utility model discloses an automatic safe latch hook ware of air, after the high-pressure tuber pipe interface inserts the air, the depression bar slides down under the pressure of air, the periphery of cylinder body is located to the fixing base cover, fixing base bottom and coupling fixed connection are as an organic whole, the fixing base top makes the depression bar lapse to make the bearing plate can tightly hold coupling hook locking iron through atmospheric pressure, can effectually prevent under the ventilation state that artificial reason or other reasons cause the coupling mistake to unblank, prevent the unhook, the factor of safety of coupling locking has been improved. The fixing ring has a limiting effect on the fixing seat, and the pressing rod is prevented from sliding downwards to cause the separation of the fixing seat and the car coupler due to the upward reaction force generated for the fixing seat.

Preferably, the end part of the pressure lever, which is located outside the cylinder body, is connected with a pressure bearing plate, and the pressure bearing plate is a cylinder, and the diameter of the pressure bearing plate is the same as that of the cylinder body.

The beneficial effect who adopts above-mentioned technical scheme is, can guarantee the normal pull of depression bar, can make the automatic safe latch hook ware of air contact with the coupling to the largest area again.

Preferably, a plurality of grooves convenient to disassemble and assemble are uniformly formed in the periphery of the fixing ring.

Preferably, the number of the grooves is more than four and is symmetrically arranged along the circumferential direction of the grooves.

Adopt above-mentioned technical scheme's beneficial effect is, the setting of four above recesses corresponds special instrument design, uses specialized tool can rotate solid fixed ring fast, makes it to suitable position, improves the installation effectiveness.

Preferably, the cylinder body further comprises a cover plate, the cover plate is detachably connected to the opening end of the cylinder body and is provided with a vent hole and a pressing rod through hole, and the other end of the pressing rod penetrates through the pressing rod through hole.

The beneficial effects who takes above-mentioned technical scheme are that, apron and cylinder body can be dismantled to be connected and can realize the dismantlement and the installation of apron and cylinder body fast, are convenient for add lubricating oil, regularly maintain whole automatic safe latch hook ware of air, guarantee normal use, also increase of service life.

Preferably, the fixing seat is in an annular step shape.

The beneficial effects who takes above-mentioned technical scheme are that, the fixing base of annular echelonment, by the diameter grow gradually of top to bottom, not only can guarantee that fixing base and coupling have great area of contact, guarantee the effective fixed connection relation of the two, can well contact with solid fixed ring moreover, make the fixed ring effectively spacing to the fixing base.

Preferably, the cylinder body, the cover plate and the fixing ring are made of stainless steel.

The technical scheme has the advantages that the automatic air safety lock hook device is made of stainless steel materials, so that the whole automatic air safety lock hook device has larger bearing capacity, the pressure rod slides downwards through air pressure to enable the pressure bearing plate to tightly press the lock iron of the car hook, and the wrong unlocking of the car hook caused by artificial reasons or other reasons can be effectively prevented in a ventilation state, so that the unhooking is prevented.

Preferably, the fixed seat and the coupler are fixed in a welding mode.

The beneficial effects of adopting above-mentioned technical scheme are that, the welded fastening stable in structure, simple process.

According to the technical scheme, compare with prior art, the utility model discloses an automatic safe latch hook ware of air locks the coupling through the mode of wind pressure, prevents the unhook, simple structure, and is with low costs, excellent in use effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view provided by the present invention.

Fig. 2 is a schematic structural diagram provided by the present invention.

Fig. 3 is a front view of the installation state provided by the present invention.

Fig. 4 is a cross-sectional view provided by the present invention.

Wherein the reference symbols are:

1-cylinder body, 2-cover plate, 3-pressure rod, 4-fixed ring, 5-fixed seat, 6-high pressure air pipe interface, 7-sealing sliding plug, 8-groove, 9-snap spring, 10-air vent, 11-pressure bearing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model discloses an automatic safe latch hook ware of air is fixed in the coupling, including cylinder body 1, depression bar 3, solid fixed ring 4 and fixing base 5, cylinder body 1 is the closed bottom end open-ended cylindricality in top, and its lateral wall that is close to the top is equipped with the high-pressure tuber pipe interface 6 of being connected with the high-pressure tuber pipe, and depression bar 3 one end is equipped with sealed sliding plug 7, and sealed sliding plug 7 is connected with cylinder body 1 inner wall sliding, and the other end is located the outside of cylinder body 1; the fixing ring 4 is sleeved on the periphery of the cylinder body 1 and is in threaded connection with the cylinder body 1; the fixed seat 5 is sleeved on the periphery of the cylinder body 1 and is in threaded connection with the cylinder body; the bottom end of the fixed seat 5 is fixed on the car coupler, and the top end of the fixed seat is abutted against the bottom of the fixed ring 4.

The utility model discloses an automatic safe latch hook ware of air, after high-pressure air pipe interface 6 inserts the air, depression bar 3 is the lapse under the pressure of air, the periphery of cylinder body 1 is located to 5 covers of fixing base, the bottom is as an organic whole with coupling fixed connection, top and solid fixed ring 4's bottom butt, make depression bar 3 lapse through atmospheric pressure make bearing plate 11 tightly press post coupler lock iron, can effectually prevent under the ventilation condition that the artificial reason that can not cause the coupling mistake to open or other reasons cause the coupling mistake to unblank, prevent the unhooking, the factor of safety of coupling locking has been improved. Wherein, solid fixed ring 4 plays limiting displacement to the fixing base, prevents that depression bar 3 from sliding downwards and leading to fixing base 5 and coupling to break away from for fixing base 5 produces ascending reaction force for whole automatic safe latch hook ware stable in structure of air, long service life.

Specifically, the end of the pressure bar 3 located outside the cylinder body 1 is detachably mounted with a pressure bearing plate 11, and the pressure bearing plate 11 is a cylinder and has the same diameter as the cylinder body 1. The arrangement of the bearing plate 11 can ensure the normal drawing of the pressure lever 3 and can ensure that the bottom end surface of the whole device is contacted with the car coupler in the largest area.

A plurality of grooves 8 convenient to disassemble and assemble are uniformly formed in the periphery of the fixing ring 4. Specifically, the number of the grooves 8 is four, and the fixing ring 4 can be rapidly rotated by using a special tool due to the arrangement of the four grooves, so that the fixing ring is positioned at a proper position, and the mounting efficiency is improved.

The cylinder body is characterized by further comprising a cover plate 2, wherein the cover plate 2 is detachably connected to the opening end of the cylinder body 1, and is provided with a vent hole 10 and a press rod through hole; apron 2 can be dismantled through jump ring 9 with cylinder body 1 and be connected, uses jump ring pincers can realize fast apron 2 and cylinder body 1 dismantlement and installation, can add lubricating oil to every part after pulling down apron 2, regularly maintains whole air automatic installation latch hook ware, guarantees normal use, increase of service life.

The fixing seat 5 is annular, and the periphery of the fixing seat is annular step-shaped. The fixing base 5 of annular echelonment by the diameter grow gradually of top to bottom, not only can guarantee that fixing base 5 has great area of contact with the coupling, guarantees the effective fixed connection relation of the two, can well contact with solid fixed ring 4 moreover, makes solid fixed ring 4 effectively spacing to the fixing base.

The automatic safety locking hook device is made of stainless steel, so that the whole automatic safety locking hook device has larger bearing capacity, and the pressure bearing plate compresses a locking iron of a coupler hook (can reach 6-8 kg of air pressure) by sliding down the pressure lever in the device through air pressure so as to prevent unhooking.

The utility model discloses an installation of automatic safe latch hook ware of air does: firstly, detaching a fixed seat 5 from a cylinder body 1, and welding and fixing a large-diameter part of the fixed seat 5 and a coupler; secondly, the cylinder body 1 and the pressure rod 3 are put in from the top of the fixed seat 5, and the fixed seat 5 is sleeved on the periphery of the cylinder body 1 and is in threaded connection with the cylinder body 1; then, adjusting the position of the fixing ring 4 to enable the bottom end of the fixing ring to be in close contact with the top end of the fixing seat 5 for limiting; and finally, connecting a high-pressure air pipe at the position of the high-pressure air pipe connector 6, communicating the other end of the high-pressure air pipe with the valve body of the angle cock, and supplying air and exhausting air to the automatic air safety latch hook device through a newly added air port on the valve body of the angle cock.

The utility model discloses an automatic safe latch hook ware of air's theory of operation does: the angle cock is installed on the locomotive or the train, the angle cock is opened, after the high-pressure air pipe connector 6 is connected with air, the pressure rod 3 slides downwards under the pressure of the air, the fixed seat 5 is sleeved on the periphery of the cylinder body 1, the bottom end of the fixed seat is fixedly connected with the train coupler into a whole, the top end of the fixed seat is abutted against the bottom end of the fixed ring 4, the pressure rod 3 slides downwards through air pressure to enable the pressure bearing plate 11 to tightly press the column coupler locking iron, the unhooking is prevented, and the safety coefficient of the locking of the train coupler is improved; namely, after the high-pressure air pipe connector 6 is ventilated, the automatic safe latch hook device can not be opened manually in a ventilation state, so that the phenomenon that the coupler is unlocked by mistake manually or due to other reasons can be effectively prevented; when the coupler needs to be opened for adjustment, the angle cock can be opened easily only by closing the angle cock.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic air safety latch hook device is fixed on a car coupler and is characterized by comprising a cylinder body (1), a pressure lever (3), a fixing ring (4) and a fixing seat (5), wherein the cylinder body (1) is in a cylindrical shape with a closed top end and an open bottom end, and a high-pressure air pipe connector (6) connected with a high-pressure air pipe is arranged on the side wall of the cylinder body close to the top end;

one end of the pressure lever (3) is provided with a sealing sliding plug (7), the sealing sliding plug (7) is connected with the inner wall of the cylinder body in a sliding way, and the other end of the pressure lever is positioned on the outer side of the cylinder body (1); the fixing ring (4) is sleeved on the periphery of the cylinder body (1) and is in threaded connection with the cylinder body (1); the fixed seat (5) is sleeved on the periphery of the cylinder body (1) and is in threaded connection with the cylinder body; the bottom end of the fixed seat (5) is fixed on the car coupler, and the top end of the fixed seat is abutted to the bottom of the fixed ring (4).

2. The automatic safety latch hook of air according to claim 1, characterized in that the end of the pressure lever (3) located outside the cylinder body (1) is detachably connected with a pressure bearing plate (11), and the pressure bearing plate (11) is a cylinder and has the same diameter as the cylinder body (1).

3. The automatic safety latch hook device of claim 1, characterized in that the periphery of the fixing ring (4) is uniformly provided with a plurality of grooves (8) for easy assembly and disassembly.

4. An automatic safety locking hook of air according to claim 3, characterized in that the number of said grooves (8) is more than four and arranged symmetrically along the circumference thereof.

5. The automatic safe latch hook device of air according to claim 1, characterized by further comprising a cover plate (2), wherein the cover plate (2) is detachably connected to the open end of the cylinder body (1), and is provided with a vent hole (10) and a through hole of the pressure rod; the other end of the pressure lever (3) penetrates through the pressure lever through hole.

6. An automatic safety latch hook for air according to claim 1, characterized in that said fixing seat (5) is annular step-shaped.

7. The automatic safety latch hook device of any one of claims 1 to 6, wherein the cylinder (1), the pressure rod (3), the fixing ring (4) and the fixing seat (5) are made of stainless steel.

8. An automatic safety locking hook device according to any one of claims 1-6, characterized in that the fixed seat (5) and the coupler are welded and fixed.