CN211772451U

CN211772451U - Urban rail transit embedded fastener

Info

Publication number: CN211772451U
Application number: CN201922040122.4U
Authority: CN
Inventors: 程东
Original assignee: Tianjin Deze Metal Product Co ltd
Current assignee: Tianjin Deze Metal Product Co ltd
Priority date: 2019-11-23
Filing date: 2019-11-23
Publication date: 2020-10-27
Anticipated expiration: 2029-11-23

Abstract

The utility model provides an urban rail transit buries formula fastener. Urban rail transit buries formula fastener is including bearing the steel sheet, the protective sheath, fixed establishment and stop gear, fixed mounting has the mounting on the bearing the steel sheet, and the bottom of mounting extends to inside the earth, fixed mounting has the shell that the symmetry set up on the lateral wall of protective sheath both ends, fixed establishment includes the clamp splice, slide bar and spring, slide bar sliding connection is on the lateral wall of shell, and the slide bar passes the inside that the lateral wall of shell and protective sheath extends to the protective sheath, the inside one end fixed connection of protective sheath is arranged in to clamp splice and slide bar, the one end of spring and the inside wall fixed connection of protective sheath, and the other end of spring and the lateral wall fixed connection of clamp splice, a stop gear for blockking the slide bar is installed. The utility model provides an urban rail transit buries formula fastener has and can protect the fastener, can not damaged by the foreign object, improves fastener life's advantage.

Description

Urban rail transit embedded fastener

Technical Field

The utility model relates to a track traffic technical field especially relates to an urban rail transit buries formula fastener.

Background

With the rapid development of the rail transit system in China, the pressure of people on traffic traveling is gradually relieved, and meanwhile, the problems of vibration and noise pollution generated in the rail transit operation process always influence the driving safety and the comfort of riding.

For this reason, technicians fasten rails and load-bearing iron plates with flush-mounted fasteners with damping function, but these fasteners are mostly fixed by bolts without protective measures, and in the long run, the weather can damage the fasteners.

Therefore, there is a need to provide an embedded fastener for urban rail transit to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide one kind can protect the fastener, can not damaged by the foreign object, improves fastener life's urban rail transit and burys formula fastener.

In order to solve the technical problem, the utility model provides an urban rail transit buries formula fastener includes: the bearing steel plate is fixedly provided with a fixing piece, and the bottom of the fixing piece extends into the soil; the protective sleeve is characterized in that symmetrically arranged shells are fixedly arranged on the side walls of two ends of the protective sleeve; the fixing mechanism comprises a clamping block, a sliding rod and a spring, the sliding rod is connected to the side wall of the shell in a sliding mode, the sliding rod penetrates through the shell and the side wall of the protective sleeve and extends into the protective sleeve, the clamping block and one end, placed in the protective sleeve, of the sliding rod are fixedly connected, one end of the spring is fixedly connected with the inner side wall of the protective sleeve, and the other end of the spring is fixedly connected with the side wall of the clamping block; and the limiting mechanism is used for installing the limiting mechanism for blocking the sliding rod on the protective sleeve.

Preferably, stop gear includes shelves pole, L type pole and spacing groove, shelves pole fixed mounting is on the lateral wall of mounting, the horizontal segment sliding connection of L type pole is on the lateral wall of protective sheath, just the vertical section of L type pole and the top sliding connection of shell, the slide bar is arranged in and is offered the spacing groove of mutually supporting with L type pole on the pole wall of shell inside.

Preferably, a pull rope is fixedly connected to the side wall of the slide rod, and one end of the pull rope, which is far away from the slide rod, penetrates through the side wall of the shell and extends outwards.

Preferably, the side wall of the fixing part is provided with a clamping groove matched with the clamping block.

Preferably, a sealing gasket is fixedly mounted at the bottom of the protective sleeve.

Preferably, the side wall of the protective sleeve is provided with a sliding groove, and the L-shaped rod is connected with the sliding groove in a sliding manner.

Compared with the prior art, the utility model provides an urban rail transit buries formula fastener has following beneficial effect:

the utility model provides an urban rail transit buries formula fastener after the fastener is installed, covers the protective sheath on the fastener, and fixed establishment can be opened to stop gear at this in-process to make fixed establishment fix the protective sheath at the fastener outside, thereby accomodate the fastener inside the protective sheath, protect, can not suffered to damage by external factor, improved the life of fastener.

Drawings

Fig. 1 is a schematic structural view of an embodiment of an embedded fastener for urban rail transit according to the present invention;

fig. 2 is a second schematic structural view of a preferred embodiment of the buried fastener for urban rail transit according to the present invention;

fig. 3 is an enlarged schematic view of a portion a shown in fig. 1.

Reference numbers in the figures: 1. the device comprises a fastener, 2, a shell, 3, a fixing mechanism, 31, a clamping block, 32, a sliding rod, 33, a spring, 4, a limiting mechanism, 41, a stop lever, 42, an L-shaped rod, 43, a limiting groove, 5, a pull rope, 6, a sealing gasket, 7, a sliding groove, 8, a clamping groove, 9, a protective sleeve, 9a and a bearing steel plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of the buried fastener for urban rail transit according to the present invention; FIG. 2 is a schematic structural view of the position-limiting structure shown in FIG. 1; fig. 3 is a schematic structural view of the feeding structure shown in fig. 1. Urban rail transit flush type fastener includes: bear steel sheet 9a, protective sheath 9, fixed establishment 3 and stop gear 4, fixed installation has mounting 1 on bearing steel sheet 9a, and inside the bottom of mounting 1 extended to earth, fixed installation has shell 2 that the symmetry set up on the lateral wall of protective sheath 9 both ends, fixed establishment 3 includes clamp splice 31, slide bar 32 and spring 33, slide bar 32 sliding connection is on the lateral wall of shell 2, and slide bar 32 passes shell 2 and protective sheath 9's lateral wall and extends to protective sheath 9's inside, the inside one end fixed connection of protective sheath 9 is arranged in to clamp splice 31 and slide bar 32, the one end of spring 33 and the inside wall fixed connection of protective sheath 9, and the other end of spring 33 and the lateral wall fixed connection of clamp splice 31, a stop gear 4 for stopping slide bar 32 is installed on protective sheath 9.

In a specific implementation process, as shown in fig. 1 and 3, the fixing mechanism 3 includes a clamping block 31, a sliding rod 32 and a spring 33, the sliding rod 32 is slidably connected to the sidewall of the housing 2, the sliding rod 32 penetrates through the sidewalls of the housing 2 and the protecting sleeve 9 and extends into the protecting sleeve 9, the clamping block 31 and the sliding rod 32 are fixedly connected to one end of the protecting sleeve 9, one end of the spring 33 is fixedly connected to the inner sidewall of the protecting sleeve 9, and the other end of the spring 33 is fixedly connected to the sidewall of the clamping block 31.

A pull rope 5 is fixedly connected to the side wall of the sliding rod 32, and one end of the pull rope 5 far away from the sliding rod 32 penetrates through the side wall of the shell 2 to extend outwards.

The limiting mechanism 4 comprises a stop lever 41, an L-shaped lever 42 and a limiting groove 43, the stop lever 41 is fixedly mounted on the side wall of the fixing part 1, the horizontal section of the L-shaped lever 42 is slidably connected onto the side wall of the protective sleeve 9, the vertical section of the L-shaped lever 42 is slidably connected with the top of the shell 2, and the sliding rod 32 is arranged on the lever wall inside the shell 2 and is provided with the limiting groove 43 matched with the L-shaped lever 42.

It should be noted that: in the process that protective sheath 9 overlaps fastener 1, L type pole 42 can be blocked by shelves pole 41, protective sheath 1 continues to move down, L type pole 42 just can break away from spacing groove 43 on the slide bar 32 lateral wall, spring 33 atress is relieved just can drive clamp splice 31 and slide bar 32 removal this moment, make two sets of clamp splice 31 press from both sides fastener 1 tightly, thereby make protective sheath 9 fix in fastener 1 outside, protect fastener 1, prevent that external factors from causing the damage to fastener 1, when needs are dismantled fastener 1, as long as pulling stay cord 5, drive slide bar 32 and move, thereby make clamp splice 31 break away from fastener 1, alright take off protective sheath 9, dismantle fastener 1.

Referring to fig. 2, the side wall of the fixing member 1 is provided with a clamping groove 8 matched with the clamping block 31, the clamping block 31 can be clamped in the clamping groove 8 through the clamping groove 8, and the clamping block 31 is prevented from being separated from the fastening member 1, so that the sleeve sheath 9 is further fixed.

Referring to fig. 1, a sealing gasket 6 is fixedly mounted at the bottom of the protective casing 9, and rainwater can be prevented from leaking into the protective casing to damage the fastener through the sealing gasket.

Referring to fig. 1, a sliding slot 7 is formed in a side wall of the protective sheath 9, the L-shaped rod 42 is slidably connected to the sliding slot 7, and the L-shaped rod 42 can move inside the sliding slot 7 and disengage from a limiting groove 43 on the sliding rod 32 after being blocked by the stop rod 41 through the sliding slot 7.

The utility model provides an urban rail transit buries formula fastener's theory of operation as follows:

after the fastener 1 is installed, the protective sleeve 9 is covered on the fastener 1, in the process that the protective sleeve 9 is sleeved on the fastener 1, the L-shaped rod 42 is blocked by the blocking rod 41, the protective sleeve 1 continues to move downwards, the L-shaped rod 42 is separated from the limiting groove 43 on the side wall of the sliding rod 32, at the moment, the spring 33 is relieved of stress to drive the clamping blocks 31 and the sliding rod 32 to move, so that the two groups of clamping blocks 31 clamp the fastener 1, the clamping blocks 31 can be clamped into the clamping grooves 8 through the clamping grooves 8, the clamping blocks 31 are prevented from being separated from the fastener 1, the protective sleeve 9 is further fixed, the protective sleeve 9 is fixed outside the fastener 1, the fastener 1 is protected, the fastener 1 is prevented from being damaged by external factors, when the fastener 1 needs to be disassembled, only the pull rope 5 is needed to pull the sliding rod 32 to move, so that the clamping blocks 31 are separated from the fastener 1, and the protective sleeve, dismantle fastener 1 to can protect fastener 1, can not receive the damage by external factor, improve fastener 1's life.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. An urban rail transit flush fastener, comprising:

the bearing steel plate (9a), the fixing piece (1) is fixedly installed on the bearing steel plate (9a), and the bottom of the fixing piece (1) extends into the soil;

the protective sleeve (9), the shells (2) which are symmetrically arranged are fixedly arranged on the side walls of the two ends of the protective sleeve (9);

the fixing mechanism (3) comprises a clamping block (31), a sliding rod (32) and a spring (33), the sliding rod (32) is connected to the side wall of the shell (2) in a sliding mode, the sliding rod (32) penetrates through the side walls of the shell (2) and the protective sleeve (9) and extends into the protective sleeve (9), the clamping block (31) and the sliding rod (32) are fixedly connected to one end of the protective sleeve (9) in the inner portion, one end of the spring (33) is fixedly connected with the inner side wall of the protective sleeve (9), and the other end of the spring (33) is fixedly connected with the side wall of the clamping block (31);

and the limiting mechanism (4) is used for installing the limiting mechanism (4) for blocking the sliding rod (32) on the protective sleeve (9).

2. The embedded urban rail transit fastener as claimed in claim 1, wherein the limiting mechanism (4) comprises a stop bar (41), an L-shaped bar (42) and a limiting groove (43), the stop bar (41) is fixedly mounted on the side wall of the fixing member (1), the horizontal section of the L-shaped bar (42) is slidably connected to the side wall of the protective sleeve (9), the vertical section of the L-shaped bar (42) is slidably connected to the top of the outer shell (2), and the sliding bar (32) is disposed on the bar wall inside the outer shell (2) and is provided with the limiting groove (43) which is matched with the L-shaped bar (42).

3. Urban rail transit flush fastener according to claim 1, characterized in that a pull rope (5) is fixedly connected to a side wall of the slide bar (32), and an end of the pull rope (5) far away from the slide bar (32) extends outwards through the side wall of the outer shell (2).

4. Urban rail transit flush fastener according to claim 1, characterized in that the side walls of the fixed element (1) are provided with clamping grooves (8) adapted to the clamping blocks (31).

5. Urban rail transit flush fastener according to claim 1, characterized in that a gasket (6) is fixedly mounted at the bottom of the protective sleeve (9).

6. The buried fastener of urban rail transit according to claim 2, wherein a sliding groove (7) is formed in a side wall of the protective sleeve (9), and the L-shaped rod (42) is slidably connected with the sliding groove (7).