High-speed rail dust cover with good sealing performance

Abstract

The utility model discloses a high-speed rail dust cover with good sealing performance, which comprises a dust cover body, an upper joint and a lower joint are respectively arranged at the upper end and the lower end of the dust cover body, a locking mechanism is wound on the upper joint, and a plurality of arc-shaped limiting bulges and a plurality of arc-shaped sealing sheets are arranged on the annular inner wall of the lower joint. The upper connector is connected to the high-speed rail damper in a sleeved mode, the T-shaped pull rod is pulled to enable the circular abutting block to be separated from the pull rope and stretch the spring, the pull rope is pulled to lock the upper connector on the high-speed rail damper, the T-shaped pull rod is loosened to enable the spring to reset to drive the circular abutting block to be matched with the anti-skid protrusion to abut against and press the pull rope, and the pull rope is effectively positioned. The high-speed rail shock absorber is sleeved with the lower connector, so that the arc-shaped limiting protrusions and the arc-shaped sealing pieces which are distributed at equal intervals in a surrounding mode abut against the high-speed rail shock absorber, sealing is effectively provided for a lower port, and the situation that after impurities enter the high-speed rail shock absorber, normal use of the high-speed rail shock absorber is affected is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to high -speed railway dust cover technical field especially relates to a high -speed railway dust cover with good sealing. BACKGROUND

[0002] High -speed railway dust cover often is made of rubber, plastic cloth and polyurethane sheet and so on raw materials, and through high -frequency heat -sealing or compression setting, and is used for high -speed railway shock absorber dust cover is a closed ring structure, can effectively protect high -speed railway shock absorber from the influence of outside environment, ensure the stability and safety of high -speed railway shock absorber under various environments.

[0003] The existing high -speed railway shock absorber dust cover lacks locking structure in the actual use, and the sealing effect is poor, and the lower end interface lacks sealing structure, and impurities are easy to enter, influence the normal use of shock absorber, and the high -speed railway dust cover with good sealing is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies and defects in the prior art, the utility model provides a high -speed railway dust cover with good sealing, which is used to solve the technical problems that the upper end interface of the existing high -speed railway shock absorber dust cover lacks locking structure in the actual use, the sealing effect is poor, and the lower end interface lacks sealing structure, impurities are easy to enter, and the normal use of shock absorber is affected.

[0005] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0006] A high -speed railway dust cover with good sealing, including dust cover body, the upper and lower ends of dust cover body are respectively equipped with upper joint and lower joint, the locking mechanism is wound on the upper joint, a plurality of arc -shaped limiting protrusions and a plurality of arc -shaped sealing sheets are arranged on the annular inner wall of the lower joint, a plurality of arc -shaped limiting protrusions are arranged close to the lower end of the lower joint, a plurality of arc -shaped limiting protrusions are arranged in equal interval and surround distribution, a plurality of arc -shaped sealing sheets are arranged in equal interval and surround distribution.

[0007] Preferably, the locking mechanism comprises a pull rope wound on the annular side wall of the upper connector and a fixed block fixedly connected to the lower end of the upper connector away from the center of the circle, one end of the pull rope is fixedly connected to the annular side wall of the upper connector, a circular through hole is arranged on the fixed block, the other end of the pull rope penetrates through the circular through hole, an arc-shaped limiting piece is fixedly connected to the annular inner wall of the circular through hole, the pull rope is pressed against the arc-shaped limiting piece, a T-shaped pull rod is vertically movably arranged in the circular through hole, one end of the T-shaped pull rod located outside the circular through hole is fixedly sleeved with a spring, the spring is in contact with the lower end of the fixed block, and the other end of the T-shaped pull rod located in the circular through hole is fixedly connected with a circular abutting block.

[0008] Preferably, the material of the pull rope is nylon, and the arc-shaped limiting piece and the circular abutting block are wear-resistant rubber products.

[0009] Preferably, the upper end of the circular abutting block is provided with a plurality of anti-skid protrusions, the plurality of anti-skid protrusions are distributed on the upper end of the circular abutting block, and the plurality of anti-skid protrusions are integrally formed with the circular abutting block.

[0010] Preferably, the arc-shaped limiting protrusion is integrally formed with the lower connector.

[0011] Preferably, the arc-shaped sealing piece is fixedly connected to the annular inner wall of the lower connector by hot air fusion.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. By sleeving the upper connector on the high-speed rail shock absorber, pulling the T-shaped pull rod to separate the circular abutting block from the pull rope and stretch the spring, pulling the pull rope to lock the upper connector on the high-speed rail shock absorber, and loosening the T-shaped pull rod to reset the spring and drive the circular abutting block to press against the pull rope with the anti-skid protrusions, the pull rope is effectively positioned, and the sealing effect of the upper connector is improved.

[0014] 2. By sleeving the lower connector on the high-speed rail shock absorber, the arc-shaped limiting protrusions and the arc-shaped sealing piece are pressed against the high-speed rail shock absorber, and the lower port is effectively sealed to prevent impurities from entering and affecting the normal use of the high-speed rail shock absorber. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A perspective view of the high-speed rail dust cover with good sealing performance is provided.

[0016] Figure 2 A Figure 1 A local enlarged view of A in the middle;

[0017] Figure 3The utility model provides a locking mechanism's structure schematic drawing of high -speed rail dust cover of good sealing.

[0018] Figure 4 For Figure 1 The local enlarged view of B in the middle.

[0019] In the drawing: 1 dust cover body, 2 upper joint, 3 lower joint, 4 arc limiting protruding, 5 arc sealing sheet, 6 pull rope, 7 fixed block, 8 round through -hole, 9 arc limiting sheet, 10 T type pull rod, 11 spring, 12 round resistance block, 13 anti -skid protruding. Specific embodiments

[0020] In the description of the utility model, need understanding is, the orientation or position relation that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" indicate is based on the orientation or position relation shown in the drawing, only is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element that is indicated must have a particular orientation, with a particular orientation structure and operation, therefore can not be understood as the restriction of the utility model.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments.

[0022] Refer to Figures 1-4The utility model provides a high -speed rail dust cover with good sealing, including dust cover body 1, the upper and lower ends of dust cover body 1 are equipped with upper joint 2 and lower joint 3 respectively, and the upper joint 2 is wound with locking mechanism, and the locking mechanism includes pull rope 6 and fixed block 7 that are wound on the annular side wall of upper joint 2 respectively and are fixedly connected to the lower end of upper joint 2 away from the center of circle, one end of pull rope 6 is fixedly connected to the annular side wall of upper joint 2, the fixed block 7 is equipped with round hole 8, the other end of pull rope 6 passes through round hole 8 and is arranged, the annular inner wall of round hole 8 is fixedly connected with arc limiting piece 9, pull rope 6 is pressed tightly with arc limiting piece 9, T type pull rod 10 is vertically movably passed through the annular inner wall of round hole 8 opposite arc limiting piece 9, one end of T type pull rod 10 located outside round hole 8 is fixedly sleeved with spring 11, spring 11 is in contact with the lower end of fixed block 7, one end of T type pull rod 10 located in round hole 8 is fixedly connected with circular stopper 12, circular stopper 12 is pressed tightly with pull rope 6, the upper joint 2 of dust cover body 1 is sleeved on high -speed rail shock absorber, pull rope 6 is separated from circular stopper 12 and stretches spring 11 by pulling T type pull rod 10, and the upper joint 2 on high -speed rail shock absorber is locked by pulling pull rope 6, and the spring 11 is reset by loosening T type pull rod 10, and circular stopper 12 drives anti -skid convex 13 and is pressed tightly with pull rope 6, effectively position pull rope 6, improve the sealing effect of upper joint 2, the material of pull rope 6 is nylon, arc limiting piece 9 and circular stopper 12 are all wear -resistant rubber products, the upper end of circular stopper 12 is equipped with a plurality of anti -skid convex 13, a plurality of anti -skid convex 13 are all distributed on the upper end of circular stopper 12, when a plurality of anti -skid convex 13 are pressed tightly with pull rope 6, pull rope 6 can not easily separate from arc limiting piece 9 and circular stopper 12, a plurality of anti -skid convex 13 are all integrally formed with circular stopper 12, arc limiting convex 4 is integrally formed with lower joint 3, and arc sealing piece 5 is fixed with the annular inner wall of lower joint 3 by hot air fusion.

[0023] The annular inner wall of lower joint 3 is equipped with a plurality of arc limiting convex 4 and a plurality of arc sealing piece 5, a plurality of arc limiting convex 4 are all close to the lower end of lower joint 3 and are set, a plurality of arc limiting convex 4 are set and are distributed at equal intervals around, a plurality of arc sealing piece 5 are set and are distributed at equal intervals around, dust cover body 1 is docked with high -speed rail shock absorber, so that the lower joint 3 of dust cover body 1 is sleeved on high -speed rail shock absorber, and a plurality of arc limiting convex 4 and arc sealing piece 5 that are distributed at equal intervals around are pressed tightly with the side wall of high -speed rail shock absorber, on the one hand, a plurality of arc limiting convex 4 prevent dust cover body 1 from easily separating from high -speed rail shock absorber, on the other hand, a plurality of arc sealing piece 5 provide sealing for the port of lower joint 3, prevent impurities from entering and affect the normal use of high -speed rail shock absorber.

[0024] The utility model discloses a dust cover body 1 is docked with high -speed rail shock absorber, makes the lower joint 3 of dust cover body 1 is sleeved on high -speed rail shock absorber, and makes the arc -shaped limiting protruding 4 and arc -shaped sealing sheet 5 of a plurality of equidistance around distribution all with the lateral wall of high -speed rail shock absorber are pressed tightly, on one hand makes a plurality of arc -shaped limiting protruding 4 prevent dust cover body 1 and high -speed rail shock absorber easily separate, on the other hand, make a plurality of arc -shaped sealing sheet 5 provide the seal of the port of lower joint 3, prevent the impurity and enter the normal use of high -speed rail shock absorber after influence, the upper joint 2 of dust cover body 1 is sleeved on high -speed rail shock absorber, pull T type pull rod 10 make round resistance block 12 and pull rope 6 separate and stretch spring 11, pull rope 6 lock the upper joint 2 on high -speed rail shock absorber, loosen T type pull rod 10 make spring 11 reset drive round resistance block 12 cooperate anti -skid protruding 13 with pull rope 6 and press tightly, effectively position pull rope 6, improve the sealing effect of upper joint 2.

[0025] The above is only the preferred specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art in the technical range disclosed by the utility model, according to the technical scheme and utility model concept of the utility model, equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A high-speed rail dust cover with good sealing performance, comprising a dust cover body (1), wherein the upper and lower ends of the dust cover body (1) are respectively provided with an upper connector (2) and a lower connector (3), characterized in that, The upper connector (2) is wound with a locking mechanism. The lower connector (3) has a number of arc-shaped limiting protrusions (4) and a number of arc-shaped sealing pieces (5) on its annular inner wall. The arc-shaped limiting protrusions (4) are all located near the lower end of the lower connector (3). The arc-shaped limiting protrusions (4) are arranged in a circumferential arrangement with equal spacing. The arc-shaped sealing pieces (5) are arranged in a circumferential arrangement with equal spacing.

2. The high-speed rail dust cover with good sealing performance according to claim 1, characterized in that, The locking mechanism includes a pull rope (6) wrapped around the annular sidewall of the upper connector (2) and a fixing block (7) fixedly connected to the lower end of the upper connector (2) away from the center. One end of the pull rope (6) is fixedly connected to the annular sidewall of the upper connector (2). The fixing block (7) is provided with a circular through hole (8). The other end of the pull rope (6) is provided through the circular through hole (8). An arc-shaped limiting piece (9) is fixedly connected to the annular inner wall of the circular through hole (8). The pull rope (6) and the arc-shaped limiting piece (9) are connected to each other. The pieces (9) are pressed together. The circular through hole (8) is vertically and movably connected to the inner wall of the arc-shaped limiting piece (9). A spring (11) is fixedly sleeved at one end of the T-shaped pull rod (10) outside the circular through hole (8). The spring (11) is in contact with the lower end of the fixing block (7). A circular stop block (12) is fixedly connected at one end of the T-shaped pull rod (10) inside the circular through hole (8). The circular stop block (12) is pressed together with the pull rope (6).

3. The high-speed rail dust cover with good sealing performance according to claim 2, characterized in that, The pull rope (6) is made of nylon, and the arc-shaped limiting piece (9) and the circular stop block (12) are both wear-resistant rubber products.

4. A high-speed rail dust cover with good sealing performance according to claim 2, characterized in that, The upper end of the circular abutment (12) is provided with a plurality of anti-slip protrusions (13), and the plurality of anti-slip protrusions (13) are distributed on the upper end of the circular abutment (12), and the plurality of anti-slip protrusions (13) are integrally formed with the circular abutment (12).

5. A high-speed rail dust cover with good sealing performance according to claim 1, characterized in that, The arc-shaped limiting protrusion (4) and the lower connector (3) are integrally formed.

6. A high-speed rail dust cover with good sealing performance according to claim 1, characterized in that, The arc-shaped sealing sheet (5) is fixed to the annular inner wall of the lower connector (3) by hot air welding.

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