CN209941411U - Fastener system with sealing device for railway - Google Patents

Abstract

The utility model discloses technical field of the railway accessory, in particular to railway is with fastener system of taking sealing device, including buried sleeve and backing plate in advance, buried sleeve's upper end is provided with outer edge ring, is equipped with a plurality of pothooks along the top week of ring outward, be provided with the through-hole that holds buried sleeve in advance in the backing plate, be provided with the spacing ring of spacing outer edge ring in the through-hole, the through-hole upper end is provided with the draw-in groove, pothook and draw-in groove looks joint, be provided with O type sealing washer between outer edge ring and the spacing ring. The utility model provides a railway is with fastener system of taking sealing device has improved the installation effectiveness of fastener system.

Description

Fastener system with sealing device for railway

Technical Field

The utility model belongs to the technical field of the railway accessory, in particular to fastener system with sealing device for railway.

Background

The fastener system is one of the important parts of track structure, and not only the quantity of laying is big, and technical content is high, and the development cycle is long moreover, needs to carry out continuous research and development and improve it. In the fastener system of current railway, the pre-buried sleeve pipe in the concrete pillow is the part that must use in the railway construction for the bolt of installation fastener system, this sleeve pipe generally adopts the nylon material, and the installation has very high requirement to accurate positioning and straightness that hangs down. And due to the requirement of shock absorption, parts such as an iron backing plate, an elastic backing plate and the like are also indispensable. Thus, the fastener system is inefficient to install due to the numerous components, high installation requirements.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a railway is with fastener system of taking sealing device improves the installation effectiveness of fastener system.

The purpose of the utility model is realized like this: the utility model provides a railway is with fastener system of taking sealing device, includes buried sleeve and backing plate in advance, buried sleeve's upper end is provided with outer ring along, and outer top week along the ring is equipped with a plurality of pothooks, be provided with the through-hole that holds buried sleeve in advance in the backing plate, be provided with the spacing ring of spacing outer ring along in the through-hole, the through-hole upper end is provided with the draw-in groove, pothook and draw-in groove looks joint.

An O-shaped sealing ring is arranged between the outer edge ring and the limiting ring.

The O-shaped sealing ring is in close contact with the upper end face of the outer edge ring, the lower end face of the limiting ring, the outer side wall of the clamping hook and the inner side wall of the through hole.

The clamping hooks are arranged oppositely, and the outer side wall and the inner side wall of each clamping hook are arc-shaped.

The lower end of the embedded sleeve is in an inverted cone shape.

The lower end of the backing plate is provided with a plurality of transverse partition plates and longitudinal partition plates which are mutually crossed, and the transverse partition plates and the longitudinal partition plates divide the lower end of the backing plate into a plurality of cavities.

The transverse partition plate penetrates through the base plate, and the longitudinal partition plates are arranged on two sides of the transverse partition plate and have gaps between the longitudinal partition plates.

Compared with the prior art, the utility model, following beneficial effect has:

1. the utility model discloses a backing plate of integration has replaced a great deal of parts such as iron tie plate, elastic backing plate, has reduced the part quantity of fastener system, has improved assembly efficiency, has reduced product cost.

2. The utility model discloses a buckle fixes a position buried sleeve on the backing plate, later installs again, and location accuracy and the straightness that hangs down when having improved buried sleeve installation have improved the installation effectiveness.

3. The utility model discloses a set up O type sealing washer between backing plate and buried sleeve, improved the sealing performance of fastener system.

4. The utility model discloses a backing plate lower extreme is provided with a plurality of cavitys, during the installation concrete entering cavity, has improved the joint strength between backing plate and the concrete.

Drawings

Fig. 1 is a front view of the pre-buried sleeve of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a bottom view of the backing plate of the present invention.

10, pre-buried sleeve; 11. an outer rim ring; 12. a hook; 20. a base plate; 21. a through hole; 22. a limiting ring; 23. a card slot; 24. a transverse partition; 25. a longitudinal partition; 26. a cavity; 30. an O-shaped sealing ring.

Detailed Description

The invention will be further described in the following with reference to specific embodiments thereof, with reference to the accompanying drawings, in which figures 1 to 3:

the utility model provides a railway is with fastener system of taking sealing device, includes buried sleeve 10 and backing plate 20 in advance, buried sleeve 10's upper end is provided with outer ring 11 of following, is equipped with a plurality of pothooks 12 along the top week of ring 11 outward, be provided with the through-hole 21 that holds buried sleeve 10 in the backing plate 20, be provided with spacing outer spacing ring 22 along ring 11 in the through-hole 21, through-hole 21 upper end is provided with draw-in groove 23, pothook 12 and draw-in groove 23 looks joint.

An O-shaped sealing ring 30 is arranged between the outer edge ring 11 and the limiting ring 22, the O-shaped sealing ring enhances the sealing performance between the embedded sleeve 10 and the base plate 20, and prevents dust, sewage and sand particles from entering.

Preferably, the O-ring 30 is in close contact with the upper end surface of the outer rim 11, the lower end surface of the retainer ring 22, the outer side wall of the hook 12, and the inner side wall of the through hole 21.

Preferably, the two hooks 12 are arranged oppositely, and the outer side wall and the inner side wall of each hook 12 are both arc-shaped.

The lower end of the embedded sleeve 10 is in an inverted cone shape so as to be convenient to install and position in concrete.

The lower end of the backing plate 20 is provided with a plurality of transverse partition plates 24 and longitudinal partition plates 25 which are mutually crossed, the transverse partition plates 24 and the longitudinal partition plates 25 divide the lower end of the backing plate 20 into a plurality of cavities 26, and concrete enters the cavities during installation, so that the connection strength between the backing plate and the concrete is improved.

Preferably, the transverse partition 24 penetrates the backing plate 20, and the longitudinal partitions 25 are disposed on both sides of the transverse partition 24 with a gap therebetween.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (7)

1. The utility model provides a railway is with fastener system of taking sealing device, its characterized in that, including buried sleeve (10) and backing plate (20), the upper end of buried sleeve (10) is provided with outer ring (11) of following, is equipped with a plurality of pothooks (12) along the top week of ring (11) outward, be provided with through-hole (21) that hold buried sleeve (10) in backing plate (20), be provided with spacing outer spacing ring (22) along ring (11) in through-hole (21), through-hole (21) upper end is provided with draw-in groove (23), pothook (12) and draw-in groove (23) looks joint.

2. A railway clamp system with a sealing device according to claim 1, characterized in that an O-ring (30) is arranged between the outer rim ring (11) and the stop ring (22).

3. The railway fastener system with a sealing device according to claim 2, wherein the O-ring (30) is in close contact with the upper end surface of the outer edge ring (11), the lower end surface of the retainer ring (22), the outer side wall of the hook (12) and the inner side wall of the through hole (21).

4. The railway fastener system with sealing device as claimed in claim 1, wherein the hooks (12) are oppositely arranged in two, and the outer side wall and the inner side wall of the hook (12) are both arc-shaped.

5. A railway fastener system with sealing device according to claim 1, wherein the lower end of the pre-buried sleeve (10) is of an inverted conical shape.

6. A railway sealer fastener system according to claim 1, wherein said lower end of said tie plate (20) is provided with a plurality of intersecting transverse partitions (24) and longitudinal partitions (25), said transverse partitions (24) and longitudinal partitions (25) dividing the lower end of the tie plate (20) into a plurality of cavities (26).

7. A fastener system with sealing device for railway according to claim 6, characterized in that said transverse partitions (24) penetrate the tie plate (20) and longitudinal partitions (25) are arranged on both sides of the transverse partitions (24) with a gap therebetween.

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