CN220488058U - Lock nut for rail laying - Google Patents

Abstract

The utility model discloses a lock nut for rail laying, which relates to the field of rail laying locking and solves the problems that the nut is vibrated, the nut is easy to loosen after long time, and the locking capability of a fastener elastic strip is lost.

Description

Lock nut for rail laying

Technical Field

The utility model relates to the technical field of rail laying and locking, in particular to a locking nut for rail laying.

Background

The frame is assembled in sequence to be positioned by the portal frame after the frame is paved, the center line of the beam seam is used for alignment, other tail lines are adjusted to be within the range of an allowable error by using tools, after detection and adjustment of various distances, the tail lines are fastened by installing a fastener elastic strip through bolts and nuts, the lower part of the H-shaped rail is buckled by the fastener elastic strip to play a fixing effect, and the locking of the fastener elastic strip is realized by tightly compacting the lower part of the nut through screwing the nut, so that the locking capability of the fastener elastic strip is lost, and referring to fig. 3, although the fastener elastic strip has a section with radian and can be taken off on an installation seat, after the conventional nut locking, when a vehicle runs on the rail, the two ends of the fastener elastic strip can move elastically, the elastic movement can be transmitted to the middle part of the elastic strip, the nut fastened at the middle part can be vibrated, the nut is easy to loosen after a long time, and the locking capability of the fastener elastic strip is lost.

To this end we propose a lock nut for rail laying.

Disclosure of Invention

The utility model provides a lock nut for rail laying.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a lock nut for rail is laid, includes mount pad, spout, screw rod and fastener, the upside of screw rod is provided with the spiral shell head, the lower part of spiral shell head is provided with the spiral shell bedplate, the fixed column is installed to the upside of mount pad, fixed column and spiral shell bedplate sliding connection, the bottom of spiral shell bedplate is provided with the fixed block, the fixed block surface is provided with the bed course, spiral shell head and screw rod threaded connection.

Preferably, the fastener overlap joint is in the upside of mount pad, the spout has been seted up to the inside of mount pad, the lower part and the spout block of screw rod.

Preferably, the fixing columns are symmetrically distributed on the upper side of the mounting seat, connecting holes are formed in two ends of the screw seat plate, and the lower portions of the fixing columns are fixedly connected with the mounting seat.

Preferably, the inner side of the fixed block is provided with an arc surface, the fixed blocks are symmetrically distributed on the lower side of the screw base plate, and the upper side of the fixed block is fixedly connected with the screw base plate.

Preferably, the cushion layer is mounted on the cambered surface of the fixed block.

Preferably, the upper part of the screw seat plate is provided with a connecting ring, the lower end of the screw head is provided with an inner groove, and the screw head is spliced with the connecting ring through the inner groove.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the existing nut is split into two parts, the fixing block is arranged at the lower part of the screw seat plate, the middle part of the fastener can be extruded under the condition of tightening the screw head, so that the clamping effect is achieved, meanwhile, the fixing column arranged at the upper part of the mounting seat can be inserted into the two ends of the screw seat plate, so that when the fastener is elastically deformed, vibration of the fastener is transmitted to the middle part of the fastener, the deformation of the middle part of the fastener can be stabilized under the combined action of the fixing block and the screw seat plate, the deformation of the shape of the screw seat plate can be effectively prevented by the fixing column, and meanwhile, the vibration of the fastener can be buffered by the cushion layer, so that the screw head threaded connection is stabilized.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present utility model;

fig. 3 is a locking diagram of a conventional nut and elastic fastener.

In the figure: 1. a screw head; 2. a screw seat plate; 3. a mounting base; 4. a fastener; 5. a chute; 6. a screw; 7. fixing the column; 8. a cushion layer; 9. a connection hole; 10. a fixed block; 11. a connecting ring; 12. an inner tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1, a lock nut for rail laying in the drawings comprises a mounting seat 3, a chute 5, a screw rod 6 and a fastener 4, wherein a screw head 1 is arranged on the upper side of the screw rod 6, a screw seat plate 2 is arranged on the lower portion of the screw head 1, a fixing column 7 is arranged on the upper side of the mounting seat 3, the fixing column 7 is in sliding connection with the screw seat plate 2, a fixing block 10 is arranged at the bottom of the screw seat plate 2, a cushion layer 8 is arranged on the surface of the fixing block 10, and the screw head 1 is in threaded connection with the screw rod 6.

Referring to fig. 1, in the illustration, a fastener 4 is lapped on the upper side of a mounting seat 3, a sliding groove 5 is formed in the mounting seat 3, and the lower part of a screw 6 is clamped with the sliding groove 5.

In this embodiment: through dividing the existing nut into two parts, the lower part of the screw seat board 2 is provided with a fixing block 10, under the condition of tightening the screw head 1, the middle part of the fastener 4 can be extruded to achieve the clamping effect, meanwhile, the fixing columns 7 arranged on the upper part of the mounting seat 3 can be inserted into the two ends of the screw seat board 2, when the fastener 4 is elastically deformed, vibration of the fixing columns is transmitted to the middle part of the fastener 4, the deformation of the middle part of the fastener 4 can be stabilized under the combined action of the fixing block 10 and the screw seat board 2, the fixing columns 7 are arranged to effectively prevent the deformation of the screw seat board 2, and meanwhile, the cushion layer 8 can buffer the vibration of the fastener 4, so that the screw head 1 is stably in threaded connection.

Example 2

Referring to fig. 1, this embodiment further illustrates example 1, in which fixing columns 7 are symmetrically distributed on the upper side of the mounting base 3, connecting holes 9 are formed at two ends of the screw base plate 2, the screw base plate 2 is inserted into the fixing columns 7 through the connecting holes 9, and the lower portions of the fixing columns 7 are fixedly connected with the mounting base 3.

In this embodiment: through setting up fixed column 7 fixed mounting in the upside of mount pad 3 for screw seat board 2 can peg graft along connecting hole 9 with fixed column 7, and the setting of fixed column 7 is mainly used for restricting screw seat board 2's rotation, to the installation of screw seat board 2 to a certain extent, plays the stabilization effect.

Referring to fig. 1, in the illustration, the fixing blocks 10 are symmetrically distributed at the lower side of the screw seat plate 2, the inner side of the fixing block 10 is provided with a cambered surface for fitting the cambered surface shape of the middle part of the fastener 4, the upper side of the fixing block 10 is fixedly connected with the screw seat plate 2, and the fixing block 10 and the screw seat plate 2 are preferably welded.

In this embodiment: through restricting the appearance of fixed block 10 inboard for fixed block 10 is when the installation, more easily laminates with fastener 4, in order to reach better extrusion centre gripping effect, and the welding of fixed block 10 can obtain stronger joint strength.

Referring to fig. 2, in the illustration, the cushion layer 8 is mounted on the arc surface of the fixing block 10, the cushion layer 8 is adhesively connected with the fixing block 10, and the cushion layer 8 can be made of rubber material.

In this embodiment: through installing the bed course 8 at the cambered surface of fixed block 10, can at first protect two kinds of rigid materials of fixed block 10 and fastener 4 when the installation, it is important that when fastener 4 takes place the vibration, the bed course 8 can effectually cushion this kind of vibration, reduces the vibration.

Referring to fig. 1, a connecting ring 11 is mounted on the upper portion of a screw seat plate 2 in the illustration, an inner groove 12 is formed at the lower end of a screw head 1, the screw head 1 is inserted into the connecting ring 11 through the inner groove 12, threads are formed on the inner wall of the screw head 1, the inner groove 12 is formed in the wall of the screw head 1, a cushion layer 8 is preferably arranged at the top of the connecting ring 11, and the bottom of the connecting ring 11 is welded with the screw seat plate 2.

In this embodiment: through at the fixed installing go-between 11 in screwed connection board 2 upper portion for when screwing up the spiral shell head 1 and installing in screwed connection board 2 upper portion, can peg graft with go-between 11, go-between 11 can play certain stable effect to rocking of inside groove 12, through installing bed course 8 in go-between 11 upper portion, make go-between 11 can play the cushioning effect to the vibration of screwed connection board 2, stabilize the connection of spiral shell head 1.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. A lock nut for rail is laid, includes mount pad (3), spout (5), screw rod (6) and fastener (4), its characterized in that: the upper side of screw rod (6) is provided with spiral shell head (1), the lower part of spiral shell head (1) is provided with spiral shell bedplate (2), fixed column (7) are installed to the upside of mount pad (3), fixed column (7) and spiral shell bedplate (2) sliding connection, the bottom of spiral shell bedplate (2) is provided with fixed block (10), fixed block (10) surface is provided with bed course (8), spiral shell head (1) and screw rod (6) threaded connection.

2. A lock nut for rail laying as claimed in claim 1, wherein: the fastener (4) is lapped on the upper side of the mounting seat (3), a sliding groove (5) is formed in the mounting seat (3), and the lower part of the screw (6) is clamped with the sliding groove (5).

3. A lock nut for rail laying as claimed in claim 1, wherein: the fixing columns (7) are symmetrically distributed on the upper side of the mounting seat (3), connecting holes (9) are formed in two ends of the screw seat plate (2), and the lower portions of the fixing columns (7) are fixedly connected with the mounting seat (3).

4. A lock nut for rail laying as claimed in claim 1, wherein: the inner side of the fixed block (10) is provided with an arc surface, the fixed block (10) is symmetrically distributed on the lower side of the screw base plate (2), and the upper side of the fixed block (10) is fixedly connected with the screw base plate (2).

5. A lock nut for rail laying as claimed in claim 1, wherein: the cushion layer (8) is arranged on the cambered surface of the fixed block (10).

6. A lock nut for rail laying as claimed in claim 1, wherein: the upper part of the screw seat plate (2) is provided with a connecting ring (11), the lower end of the screw head (1) is provided with an inner groove (12), and the screw head (1) is spliced with the connecting ring (11) through the inner groove (12).