CN217081020U

CN217081020U - Anchor bolt for elevator guide rail

Info

Publication number: CN217081020U
Application number: CN202123282085.1U
Authority: CN
Inventors: 翟士伟
Original assignee: Maolong Suzhou Elevator Parts Co ltd
Current assignee: Maolong Suzhou Elevator Parts Co ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-07-29
Anticipated expiration: 2031-12-24

Abstract

The utility model discloses an elevator is crab-bolt for guide rail, including the crab-bolt subassembly, the crab-bolt subassembly comprises bolt and expansion assembly, expansion assembly sets up in the bolt outer wall, bolt one end is equipped with the reference column, expansion assembly includes the urceolus, the urceolus activity is cup jointed in the bolt outer wall, four rectangular grooves have been seted up at the one end interval of urceolus, the other end fixedly connected with toper post of bolt, the reference column can set up to the rhombus, and logical groove has been seted up at the middle part of reference column, the radius angle has been seted up to one side of toper post, the spacing disc of other end fixedly connected with of urceolus, the one end threaded connection of bolt has the extrusion nut, be provided with the packing ring between extrusion nut and the spacing disc, the packing ring activity is cup jointed in the outer wall of bolt. The utility model discloses a staff uses the hammer to strike work to the reference column, can strike bolt and expansion assembly and advance to predetermine in the through-hole, avoid the thread groove of bolt one end to receive stress damage, improve the life of crab-bolt.

Description

Anchor bolt for elevator guide rail

Technical Field

The utility model relates to an elevator is crab-bolt for guide rail field, in particular to elevator guide rail.

Background

The elevator guide rail is an elevator component consisting of steel rails and connecting plates, and is divided into a car guide rail and a counterweight guide rail, the elevator component is divided into three forms of T shape, L shape and hollow shape from the cross section, the guide rail plays a role in guiding, and simultaneously bears a car, the impact force during elevator braking, the impact force during emergency braking of safety tongs and the like, and the magnitudes of the forces are related to the load quality and the speed of an elevator, so the guide rail is selected according to the speed and the load quality of the elevator, generally called as the car guide rail is a main rail, and the counterweight guide rail is an auxiliary rail;

traditional rail brackets fixes in the well through the crab-bolt, the crab-bolt generally comprises bolt, extrusion nut and inflation subassembly, the crab-bolt is when using, need predetermine the through-hole at the wall, then use the hammer to advance in predetermineeing the through-hole with the perpendicular strike of crab-bolt, however current workman is before carrying out hammering work, generally rotate extrusion nut to the cross-section parallel and level with bolt one end, make the one end lifting surface area of bolt strengthen, be convenient for the hammer with the crab-bolt hammering advance predetermine in the through-hole, current this kind of crab-bolt is when using, easily make the thread groove of bolt one end receive stress damage, the life of crab-bolt has been reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an elevator is crab-bolt for guide rail to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: anchor bolt for elevator guide rail, including the anchor bolt subassembly, the anchor bolt subassembly comprises bolt and expansion assembly, expansion assembly sets up in the outer wall of bolt, the one end fixedly connected with reference column of bolt.

Preferably, the expansion component comprises an outer barrel, the outer barrel is movably sleeved on the outer wall of the bolt, four long grooves are formed in one end of the outer barrel at intervals, and the other end of the bolt is fixedly connected with a conical column.

Preferably, the positioning column can be arranged in a diamond shape, and a through groove is formed in the middle of the positioning column.

Preferably, one side of the conical column is provided with a fillet, and the other end of the outer cylinder is fixedly connected with a limiting disc.

Preferably, one end of the bolt is in threaded connection with an extrusion nut, a gasket is arranged between the extrusion nut and the limiting disc, and the gasket is movably sleeved on the outer wall of the bolt.

Preferably, three annular grooves are formed in one end of the outer cylinder at equal intervals, and the annular grooves and the strip grooves are arranged in a staggered mode.

The utility model discloses a technological effect and advantage:

(1) the utility model discloses a bolt, inflation subassembly and reference column that set up, use the hammer to strike the reference column through the staff, can strike bolt and inflation subassembly in presetting the through-hole, avoid the thread groove of bolt one end to receive stress damage, improve the life of crab-bolt;

(2) the utility model discloses a logical groove seted up at the reference column middle part can use the metal round bar to peg graft with leading to the groove, gives the metal round bar pulling force, can dismantle the crab-bolt subassembly from predetermineeing the through-hole and go out, improves the practicality of reference column.

Drawings

Fig. 1 is the overall structure diagram of the present invention.

Fig. 2 is a schematic front sectional view of the positioning column of the present invention.

Fig. 3 is a schematic view of a part of an enlarged structure of fig. 1 according to the present invention.

In the figure: 1. an outer cylinder; 2. a limiting disc; 3. extruding the nut; 4. a bolt; 5. a positioning column; 6. a gasket; 7. a through groove; 8. an annular groove; 9. a tapered post; 10. rounding off; 11. a long groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides an elevator is crab-bolt for guide rail as shown in figure 1-3, including the crab-bolt subassembly, the crab-bolt subassembly comprises bolt 4 and expansion assembly, expansion assembly sets up in the outer wall of bolt 4, the one end fixedly connected with reference column 5 of bolt 4, expansion assembly includes urceolus 1, urceolus 1 activity cup joints in the outer wall of bolt 4, the one end interval of urceolus 1 is seted up four rectangular grooves 11, the other end fixedly connected with toper post 9 of bolt 4, the one end screw connection of bolt 4 has extrusion nut 3, the other end fixedly connected with spacing disc 2 of urceolus 1, be provided with packing ring 6 between extrusion nut 3 and spacing disc 2, packing ring 6 activity cup joints in the outer wall of bolt 4, through after hammering expansion assembly and bolt 4 into the preset through-hole through the hammer, give extrusion nut 3 the turning force, under the limiting action of spacing disc 2, can drive the bolt 4 to move towards the direction far away from the outer cylinder 1, further drive the conical column 9 to move towards one end of the outer cylinder 1, and extrude one end of the outer cylinder 1, through the long groove 11 arranged at one end of the outer cylinder 1, the one end of the outer cylinder 1 is deformed, the outer wall at one end of the outer cylinder 1 expands, and generates extrusion force to the inner wall of the preset through hole, thereby positioning the anchor bolt assembly in the preset through hole, realizing the installation of the anchor bolt assembly, the positioning column 5 is fixedly connected with one end of the bolt 4, the positioning column 5 can be set to be diamond, the positioning column 5 can also be set to be square, and the length of the positioning column 5 is slightly smaller than the diameter of the bolt 4, through the diamond or square arrangement of the positioning column 5, the shape has corner characteristics, the worker can conveniently take the bolt 4 and the expansion assembly, and the diameter of the positioning column 5 is slightly smaller than the bolt 4, thereby facilitating the disassembly and assembly work of the expansion assembly and the bolt 4, the practicability of the positioning column 5 is improved, the middle part of the positioning column 5 is provided with the through groove 7, when the anchor bolt assembly is installed in the preset through hole and installation dislocation occurs or the expansion assembly is damaged, the metal round rod can be inserted in the through groove 7, and acting force in the direction far away from the wall can be given to the metal round rod, so that the bolt 4 and the expansion assembly can be detached from the preset through hole, an operator can conveniently replace the damaged anchor bolt assembly, the use convenience of the anchor bolt assembly is improved, the through groove 7 is arranged, when the anchor bolt assembly is stored, the bolt 4 can be hung at the round rod through the arrangement of the through groove 7, the storage and collection of the bolt 4 are facilitated, and the practicability of the positioning column 5 is further improved;

fillet 10 has been seted up to one side of toper post 9, setting through fillet 10, improve toper post 9 and get into the fluency in predetermineeing the through-hole, one end equipartition interval that sets up urceolus 1 through toper post 9 is equipped with three ring channel 8, ring channel 8 sets up with rectangular groove 11 is crisscross, take place deformation inflation back when the one end of urceolus 1, setting through ring channel 8, the frictional force that urceolus 1 and predetermine the through-hole inner wall and contact has been improved, can improve and predetermine the relative spacing ability of through-hole inner wall, improve urceolus 1 and predetermine the through-hole relatively fixity.

The utility model discloses the theory of operation: when burying underground the work as predetermineeing the through-hole to the crab-bolt subassembly, can aim at the predetermined through-hole of wall department with bolt 4 and inflation subassembly, place toper post 9 in predetermineeing the through-hole to use the hammer to aim at the one end of reference column 5, through giving the percussion force of reference column 5 one end, can strike bolt 4 and inflation subassembly in predetermineeing the through-hole, avoid the one end of bolt 4 directly to receive the stress that strikes and produce.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. Anchor bolt for elevator guide rail, including the anchor bolt subassembly, its characterized in that, the anchor bolt subassembly comprises bolt (4) and expansion assembly, expansion assembly sets up in the outer wall of bolt (4), the one end fixedly connected with reference column (5) of bolt (4).

2. The elevator guide rail anchor bolt as defined in claim 1, wherein the expansion assembly includes an outer cylinder (1), the outer cylinder (1) is movably sleeved on the outer wall of the bolt (4), four elongated grooves (11) are formed at intervals at one end of the outer cylinder (1), and the other end of the bolt (4) is fixedly connected with the tapered column (9).

3. The elevator guide rail anchor bolt according to claim 1, wherein the positioning post (5) is formed in a diamond shape, and a through groove (7) is formed in the middle of the positioning post (5).

4. The elevator guide rail anchor bolt according to claim 2, wherein one side of the tapered column (9) is provided with a rounded corner (10), and the other end of the outer cylinder (1) is fixedly connected with a limiting disc (2).

5. The elevator guide rail anchor bolt according to claim 4, wherein an extrusion nut (3) is connected to one end of the bolt (4) in a threaded manner, a washer (6) is arranged between the extrusion nut (3) and the limiting disc (2), and the washer (6) is movably sleeved on the outer wall of the bolt (4).

6. The elevator guide rail anchor bolt according to claim 2, wherein one end of the outer tube (1) is provided with three annular grooves (8) at equal intervals, and the annular grooves (8) are staggered with the elongated grooves (11).