CN223708206U - Expansion type locking fixer - Google Patents

Abstract

This utility model relates to the field of locking and fixing devices, specifically an expansion-type locking and fixing device. It involves creating an arc-shaped insertion hole on the screw of an expansion bolt, inserting a notched hook into the arc-shaped insertion hole, and then directly placing a rope or loop from an item onto the notched hook for easy hanging. The restoring force of a return spring causes a limiting rod to slide out of the deep groove, sealing the notch of the notched hook, thus improving the stability between the screw of the expansion bolt, the notched hook, and the item. This utility model, by creating an arc-shaped insertion hole on the screw of an expansion bolt, inserting a notched hook into the arc-shaped insertion hole, and then directly placing a rope or loop from an item onto the notched hook for easy hanging, and then using the restoring force of a return spring to slide the limiting rod out of the deep groove, sealing the notch of the notched hook, thus improving the stability between the screw of the expansion bolt, the notched hook, and the item.

Description

Expansion type locking fixer

Technical Field

The utility model relates to the technical field of locking fixtures, in particular to an expansion type locking fixture.

Background

The expansion type locking fixer is a device for realizing locking and fixing functions by utilizing expansion deformation of an object, and generally consists of a screw, an expansion sleeve, a nut, a gasket and the like. Taking a double-insurance locking type expansion anchor bolt as an example, when the expansion anchor bolt is used, the anchor bolt assembly is inserted into a preformed hole in a wall body, and the nut is rotated, so that the sleeve assembly extrudes the expansion sleeve assembly, the upper expansion joint and the lower expansion joint of the expansion sleeve assembly are expanded and are in close contact with surrounding wall materials, larger expansion force is generated, and therefore objects are firmly anchored on base materials such as the wall body, and the expansion anchor bolt is widely applied to curtain wall keel fixing, anti-theft net installation and the like in the building field, for example, an expansion type locking screw disclosed by the publication number CN213064225U has no function of installing a hook, and has the function of locking only, so that the expansion type locking screw is inconvenient to hang objects.

Accordingly, the present utility model is designed to solve the problems of the prior art by designing an inflatable locking anchor.

Disclosure of utility model

The present utility model is directed to an inflatable locking anchor that solves the above-mentioned problems set forth in the background art.

The expansion type locking fixer comprises an expansion bolt body, wherein an arc-shaped insertion hole is formed in a screw rod of the expansion bolt body, a notch lifting hook is connected in the arc-shaped insertion hole in a penetrating manner, a deep groove is formed in one side of a notch of the notch lifting hook, a limiting rod is slidably mounted in the deep groove, one side of the limiting rod is connected with the notch lifting hook through a reset spring, the reset spring is mounted in the deep groove, the notch lifting hook is inserted into the arc-shaped insertion hole, articles are conveniently hung, the limiting rod is ejected out through the restoring force of the reset spring, the notch of the notch lifting hook is shielded, and stability among the notch lifting hook, the expansion bolt body and the articles is improved.

Preferably, the lateral wall of the limiting rod is provided with a limiting bar, the inner wall of the deep groove is provided with a limiting groove in sliding connection with the limiting bar, the limiting bar slides in the limiting groove, and the limiting bar can be limited.

Preferably, a short groove spliced with the limiting rod is formed in the other side of the notch lifting hook, the limiting rod pops out and pops into the short groove, and the stability of the limiting rod can be improved.

Preferably, one side of the limiting rod, which is far away from the reset spring, is provided with a rubber layer, after the limiting rod is pulled downwards, the limiting rod is required to be pressed, and after the limiting rod is pressed into the deep groove, the comfort of fingers of a worker can be improved through the rubber layer.

Preferably, the outer side wall of notch hook breach one side has seted up the external screw thread, the outer side wall of external screw thread is installed through the screw thread rotation and is installed the screw cap through the external screw thread rotation on notch hook, can be with the gag lever post spacing in the deep groove, conveniently take article like this, also conveniently take notch hook from expansion bolts.

Preferably, the screw cap is connected with the notch lifting hook through an elastic rope, the elastic rope connects the screw groove with the notch lifting hook together, the screw cap is prevented from being lost, the elastic rope is longer, and the screw cap is prevented from being unable to rotate.

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

1. According to the utility model, the arc-shaped jack is formed in the screw rod of the expansion bolt, the notch lifting hook is inserted into the arc-shaped jack, then the lifting rope or the lifting ring on the article can be directly sleeved on the notch lifting hook, the article can be hung conveniently, the limiting rod slides out of the deep groove through the restoring force of the restoring spring, the notch of the notch lifting hook is sealed, and the stability among the screw rod of the expansion bolt, the notch lifting hook and the article can be improved.

Drawings

FIG. 1 is a schematic front view of the present utility model;

FIG. 2 is a schematic diagram of a return spring structure of the present utility model;

fig. 3 is a schematic view of the structure of the screw cap of the present utility model.

In the figure, 1, an expansion bolt body, 2, an arc-shaped jack, 3, a notch lifting hook, 4, a deep groove, 5, a limiting rod, 6, a return spring, 7, a limiting strip, 8, a limiting groove, 9, a short groove, 10, a rubber layer, 11, external threads, 12 and a threaded cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, the expansion type locking fixer provided by the embodiment of the utility model comprises an expansion bolt body 1, wherein an arc-shaped jack 2 is formed on a screw rod of the expansion bolt body 1, a notch lifting hook 3 is connected in the arc-shaped jack 2 in a penetrating manner, a deep groove 4 is formed on one side of a notch of the notch lifting hook 3, a limit rod 5 is slidably mounted in the deep groove 4, one side of the limit rod 5 is connected with the notch lifting hook 3 through a return spring 6, and the return spring 6 is mounted in the deep groove 4.

Referring to fig. 1-3, in this embodiment, a limiting bar 7 is mounted on an outer side wall of the limiting bar 5, and a limiting groove 8 slidably connected with the limiting bar 7 is formed on an inner wall of the deep groove 4.

Referring to fig. 1-3, in this embodiment, a short slot 9 is formed on the other side of the notch hook 3 for inserting the stop lever 5.

Referring to fig. 1-3, in this embodiment, a rubber layer 10 is disposed on a side of the stop lever 5 away from the return spring 6.

Referring to fig. 1-3, in this embodiment, an external thread 11 is provided on an outer sidewall of a side of a notch of the notch hook 3, and a threaded cap 12 is installed on the outer sidewall of the external thread 11 by threaded rotation.

Referring to fig. 1-3, in this embodiment, the screw cap 12 and the notched hook 3 are connected by a bungee cord.

Working principle: after the expansion bolt body 1 is installed, the limiting rod 5 is pulled, the limiting rod 5 enters the deep groove 4 and extrudes the reset spring 6, then the notch of the notch lifting hook 3 is opened, the notch lifting hook 3 is inserted into the arc-shaped insertion hole 2, the installation of the notch lifting hook 3 can be completed, when an article needs to be hung, a lifting rope or a lifting ring on the article directly penetrates through the notch lifting hook 3, the article can be hung on the notch lifting hook 3, after the article is hung, the limiting rod 5 is loosened, the limiting rod 5 is ejected out through the restoring force of the reset spring 6, the notch of the notch lifting hook 3 is sealed, the stability among the notch lifting hook 3, the expansion bolt body 1 and the article is improved, and the content which is not described in detail in the description belongs to the prior art known to the person skilled in the art.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (6)

1. The expansion type locking fixer comprises an expansion bolt body (1) and is characterized in that an arc-shaped insertion hole (2) is formed in a screw rod on the expansion bolt body (1), a notch lifting hook (3) is connected in the arc-shaped insertion hole (2) in a penetrating manner, a deep groove (4) is formed in one side of a notch of the notch lifting hook (3), a limiting rod (5) is slidably mounted in the deep groove (4), one side of the limiting rod (5) is connected with the notch lifting hook (3) through a return spring (6), and the return spring (6) is mounted in the deep groove (4).

2. The expansion type locking fixer according to claim 1, characterized in that the outer side wall of the limiting rod (5) is provided with a limiting strip (7), and the inner wall of the deep groove (4) is provided with a limiting groove (8) which is in sliding connection with the limiting strip (7).

3. The expansion type locking fixer according to claim 1, characterized in that a short groove (9) which is inserted with the limit rod (5) is arranged on the other side of the notch lifting hook (3).

4. The expansion type locking fixer according to claim 1, characterized in that a rubber layer (10) is arranged on one side of the limiting rod (5) far away from the return spring (6).

5. The expansion type locking fixer according to claim 1, characterized in that an external thread (11) is arranged on the outer side wall of one side of a notch of the notch lifting hook (3), and a thread cap (12) is arranged on the outer side wall of the external thread (11) through thread rotation.

6. The expansion-type locking holder according to claim 5, wherein the screw cap (12) and the notch hook (3) are connected by a bungee cord.