F-shaped short-neck car coupler

Abstract

The utility model discloses an F-shaped short-neck car coupler which comprises an F-shaped car coupler body, a connecting mechanism is arranged at the tail of the F-shaped car coupler body, and one end, far away from the F-shaped car coupler body, of the connecting mechanism is connected with a mounting seat. The connecting mechanism comprises a connecting part at the tail part, and a limiting mechanism is further arranged between the outer side of the connecting part and the mounting seat; the F-shaped car coupler is reasonable in design structure, the connecting part is arranged at the tail of the F-shaped car coupler body, the connecting part is connected with the installation base through the limiting mechanism, meanwhile, the first inner cavity is formed in the tail of the connecting part, the buffering structure is installed in the first inner cavity, and therefore the buffering effect is improved. Therefore, the length of the car coupler is greatly shortened, the installation mode of the car coupler is changed into end installation, and the problems that in the prior art, during assembly, the number of components is large, the overall space required by assembly is long, a large installation space needs to be reserved in a car body, and consequently the car coupler is difficult to apply to small-tonnage engineering trucks and rail cars are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to F type car hook technical field, specifically a kind of F type short neck car hook. BACKGROUND

[0002] Car hook refers to the hook of the two ends of train vehicle or locomotive, used to realize the connection between locomotive and vehicle or vehicle and vehicle, transmit traction and impact force, and keep a certain distance between vehicles;There are many types of common freight car hooks, which can be divided into E type hook and F type hook according to structure and connection profile, among which F type car hook is commonly used in heavy freight car, with larger load and effective prevention of train derailment.

[0003] The F type car hook produced and used at home and abroad needs to be matched with many accessories such as plate, tail frame, buffer, hook tail pin and supporting plate, among which the buffer is located at the tail of the car hook, and is installed by means of rear plate seat, front plate seat, supporting plate and supporting device (as shown in Figure 1 The overall weight is close to 700kg, and when used, the hook body tail is connected with the hook tail frame through pin shaft, and then pushes the plate through hook tail contact, and then compresses the buffer, so that the assembly requires a longer overall space, and a larger installation space is needed in the vehicle body, which makes it difficult to apply to small tonnage engineering vehicles and rail vehicles. UTILITY MODEL CONTENTS

[0004] The utility model aims at making up for the deficiency of prior art, and provides a F type short neck car hook.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A F type short neck car hook, comprising a F type car hook body, a connecting mechanism is arranged at the tail of the F type car hook body, and an installation seat is connected to the end of the connecting mechanism away from the F type car hook body;

[0007] The connecting mechanism comprises a connecting part arranged at the tail of the F type car hook body, the end of the connecting part away from the F type car hook body is inserted into the second inner cavity, and a limiting mechanism is further arranged between the outer side of the connecting part and the installation seat, which prevents the connecting part and the installation seat from separating;

[0008] A first inner cavity is arranged at the tail of the connecting part, the inside of the first inner cavity is communicated with the second inner cavity to form a cavity, and a buffer structure is arranged in the inside of the cavity to play a buffering role.

[0009] Further, the buffer structure is a plurality of buffer springs.

[0010] The plurality of buffer springs are arranged in concentric circles at equal distances, and the cross-sectional diameters of the buffer springs increase successively from the inside to the outside.

[0011] Further, the top and bottom of the mounting seat are provided with sliding grooves, and the sides close to each other of the two sliding grooves are communicated with the second inner cavity.

[0012] The limiting mechanism comprises cylindrical shaft ears symmetrically arranged at the top and bottom of the connecting part, and the ends of the cylindrical shaft ears away from the connecting part extend to the outside of the mounting seat through the sliding grooves, and the connecting part is in sliding connection with the inner wall of the sliding groove.

[0013] Further, the mounting seat comprises a first positioning seat and a second positioning seat, and the sides close to each other of the first positioning seat and the second positioning seat are detachably connected, so that the first positioning seat and the second positioning seat are buckled at the top and bottom of the connecting part.

[0014] Further, the end of the cylindrical shaft ear away from the connecting part is provided with a positioning hole, the depth of the positioning hole is less than the height of the sliding groove, and the shape of the positioning hole is adapted to the shape of the outer side of the cylindrical shaft ear.

[0015] Further, two mounting holes are symmetrically arranged on the first positioning seat and the second positioning seat, and the two mounting holes are in strip shape.

[0016] Compared with the prior art, the F-shaped short neck car hook has the following beneficial effects:

[0017] The utility model discloses a connecting part is arranged at the tail of F-shaped car hook main part, makes the connecting part through limiting mechanism and mounting seat connection, and the first inner cavity is arranged at the tail of connecting part, and the buffer structure is installed in the first inner cavity, thereby greatly shortening the length of car hook, and the installation mode of car hook is changed to end installation, solves the problem that the existing assembly is more, and the overall space of assembly requirement is longer, needs reserving larger installation space in the car body, leads to the difficult application on the small tonnage engineering car and rail car. ACCURACY OF DRAWINGS

[0018] Figure 1 It is the existing car hook structure schematic view of the utility model;

[0019] Figure 2 It is the three-dimensional structure schematic view of the utility model;

[0020] Figure 3 It is the sectional view schematic view of the utility model;

[0021] Figure 4 It is the first inner cavity schematic view of the utility model;

[0022] Figure 5 It is the three-dimensional structure schematic view of the first positioning seat of the utility model.

[0023] Figure: 1, F-type car hook body; 2, positioning hole; 3, first positioning seat; 4, second positioning seat; 5, first inner cavity; 6, cylindrical shaft lug; 7, buffer spring; 8, mounting hole; 9, rear from the plate seat; 10, front from the plate seat. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] As Figures 1-5 shown, the utility model provides a technical scheme: a kind of F-type short neck car hook, including F-type car hook body 1, the tail of F-type car hook body 1 is provided with connecting mechanism, the end of connecting mechanism away from F-type car hook body 1 is connected with mounting seat;Second inner cavity is opened in the side of mounting seat close to F-type car hook body 1;Connecting mechanism includes the connecting portion being arranged in the tail of F-type car hook body 1, the end of connecting portion away from F-type car hook body 1 is inserted with second inner cavity, and still be provided with limiting mechanism between the outside of connecting portion and mounting seat, prevent the effect of connecting portion and mounting seat from separating;First inner cavity 5 is opened in the tail of connecting portion, the inside of first inner cavity 5 is communicated with second inner cavity to form a chamber, and buffering structure is arranged in the inside of chamber, to play the role of buffering;Buffering structure is several buffer springs 7;Several buffer springs 7 are concentric circle equidistance sleeve set distribution, and several buffer springs 7 are from inside to outside, and the cross section diameter of buffer spring 7 increases in turn;To facilitate in use, more effectively utilize space, so as to reduce the length and weight of car hook whole, and the side of first inner cavity 5 away from second inner cavity is opened circular hole, and the size of circular hole is less than the diameter of buffer spring 7.

[0026] In use, the F-type coupler body 1 is inserted into the mounting seat through the connecting portion, and the F-type coupler body 1 and the mounting seat are prevented from being separated by the limiting mechanism, and then the F-type coupler body 1 is installed and fixed with the to-be-installed position through the mounting seat to ensure the normal use of the F-type coupler body 1, and at the same time, the connecting portion is partially inserted into the second inner cavity, and the first inner cavity 5 and the second inner cavity are communicated to form a chamber, so that a plurality of buffer springs 7 are distributed inside the chamber, span the first inner cavity 5 and the second inner cavity, abut against the first inner cavity 5 at one end and abut against the to-be-installed area at the other end, and play a buffering role, greatly reducing the length of the coupler as a whole, adjusting the existing coupler installation mode to end installation, and then not needing to reserve installation space in the vehicle, and saving the independent knuckle pin, front from plate, front from plate seat 10, rear from plate seat 9, knuckle tail frame, supporting plate, supporting device and other components, achieving the requirements of reducing weight, reducing maintenance cost, shortening length, greatly improving the coupler swing angle, improving the existing F-type coupler product from 10° to 15°, and improving the curve passing ability of the vehicle.

[0027] The top and bottom of the mounting seat are provided with sliding grooves, and the side of the two sliding grooves close to each other is communicated with the second inner cavity; the limiting mechanism includes columnar shaft ears 6 symmetrically arranged on the top and bottom of the connecting portion, one end of the columnar shaft ear 6 away from the connecting portion extends to the outside of the mounting seat through the sliding groove, and the connecting portion and the inner wall of the sliding groove are slidingly connected; in use, the shape of the columnar shaft ear 6 is adapted to the shape of the inner wall of the sliding groove, and when impacted, the columnar shaft ear 6 slides in the sliding groove to limit the movement position of the connecting portion, avoiding the disconnection of the connecting portion from the mounting seat.

[0028] The mounting seat includes a first positioning seat 3 and a second positioning seat 4, and the side close to each other of the first positioning seat 3 and the second positioning seat 4 is detachably connected, so that the first positioning seat 3 and the second positioning seat 4 are buckled on the top and bottom of the connecting portion; in use, the first positioning seat 3 and the second positioning seat 4 are detachably connected to facilitate disassembly and assembly of the mounting seat as a whole, and the first positioning seat 3 and the second positioning seat 4 can be detachably installed through bolts.

[0029] The end of the columnar shaft ear 6 away from the connecting portion is provided with a positioning hole 2, the depth of the positioning hole 2 is less than the height of the sliding groove, and the shape of the positioning hole 2 is adapted to the shape of the outer side of the columnar shaft ear 6; in use, a certain depth is provided on the columnar shaft ear 6 to facilitate transportation and reduce weight; two installation holes 8 are symmetrically provided on the first positioning seat 3 and the second positioning seat 4, and the two installation holes 8 are long strips; in use, the first positioning seat 3 and the second positioning seat 4 are symmetrically distributed up and down, and the two groups of long strip-shaped installation holes 8 are symmetrically arranged to facilitate installation with the to-be-installed area through bolts.

Claims

1. An F-type short-neck coupler, comprising an F-type coupler body (1), wherein a connecting mechanism is provided at the tail of the F-type coupler body (1), characterized in that, The end of the connecting mechanism away from the F-type coupler body (1) is connected to a mounting base; the mounting base has a second inner cavity on the side close to the F-type coupler body (1); The connecting mechanism includes a connecting part disposed at the tail of the F-type coupler body (1). One end of the connecting part away from the F-type coupler body (1) is inserted into the second inner cavity. A limiting mechanism is also provided between the outer side of the connecting part and the mounting seat to prevent the connecting part from separating from the mounting seat. The tail of the connecting part is provided with a first inner cavity (5), the interior of the first inner cavity (5) is connected with the second inner cavity to form a chamber, and the interior of the chamber is provided with a buffer structure to play a buffering role.

2. The F-type short-neck coupler according to claim 1, characterized in that: The buffer structure consists of several buffer springs (7); The buffer springs (7) are arranged in concentric circles at equal intervals, and the cross-sectional diameter of the buffer springs (7) increases sequentially from the inside to the outside.

3. The F-type short-neck coupler according to claim 1, characterized in that: The top and bottom of the mounting base are provided with sliding grooves, and the sides of the two sliding grooves that are close to each other are connected to the second inner cavity. The limiting mechanism includes columnar lugs (6) symmetrically arranged at the top and bottom of the connecting part. The end of the columnar lug (6) away from the connecting part extends to the outside of the mounting base through the slide groove, and the connecting part is slidably connected to the inner wall of the slide groove.

4. The F-type short-neck coupler according to claim 3, characterized in that: The mounting base includes a first positioning base (3) and a second positioning base (4), which are detachably connected close to each other on one side, so that the first positioning base (3) and the second positioning base (4) are fastened to the top and bottom of the connecting part.

5. The F-type short-neck coupler according to claim 3, characterized in that: The columnar lug (6) has a positioning hole (2) at one end away from the connecting part. The depth of the positioning hole (2) is less than the vertical height of the slide groove, and the shape of the positioning hole (2) is adapted to the outer shape of the columnar lug (6).

6. The F-type short-neck coupler according to claim 4, characterized in that: The first positioning seat (3) and the second positioning seat (4) are symmetrically provided with two mounting holes (8), and both mounting holes (8) are elongated.

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