Expansion type locking fixator

Abstract

The utility model relates to the technical field of locking and fixing devices, in particular to an expansion type locking and fixing device which is characterized in that an arc-shaped insertion hole is formed in a screw rod of an expansion bolt, a notch lifting hook is inserted into the arc-shaped insertion hole, and then a lifting rope or a lifting ring on an article can be directly sleeved on the notch lifting hook, so that the article can be conveniently hung. And the limiting rod slides out of the deep groove through the restoring force of the reset spring, and the notch of the notch lifting hook is sealed, so that the stability among the screw rod of the expansion bolt, the notch lifting hook and the object can be improved. The arc-shaped insertion hole is formed in the screw rod of the expansion bolt, the notched lifting hook is inserted into the arc-shaped insertion hole, then a lifting rope or a lifting ring on an article can be directly sleeved on the notched lifting hook, the article can be conveniently hung, the limiting rod slides out of the deep groove through the restoring force of the reset spring, the notch of the notched lifting hook is sealed, and the lifting hook can be conveniently hung. Therefore, the stability among the screw of the expansion bolt, the notch lifting hook and the object can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking fixer technical field, concretely is expansion type locking fixer. BACKGROUND

[0002] Expansion type locking fixer is a kind of device using the expansion deformation of object to realize locking and fixed function, generally by screw rod, expansion sleeve, nut and washer etc. It is an example of double safety locking type expansion anchor bolt, when using, anchor rod assembly is inserted into the reserved hole in wall, nut is rotated, sleeve assembly extrusion expansion sleeve assembly, let the upper expansion joint of expansion sleeve assembly and lower expansion joint expand, and closely contact with surrounding wall material, generate larger expansion force, to firmly anchor object on wall substrate etc., widely used in building field's curtain wall keel fixation, burglar net installation etc., such as the announcement number: CN213064225U discloses an expansion type locking screw, since screw rod does not have the function of installing hook, its function only has the function of locking, it is not convenient to hang articles.

[0003] Therefore, the utility model designs expansion type locking fixer to solve the problems existing in the prior art. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing expansion type locking fixer to solve the problems raised in the above background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: expansion type locking fixer, including: expansion bolt body, arc-shaped insertion hole is formed on screw rod on expansion bolt body, notch hook is connected in arc-shaped insertion hole in penetration, one side of notch hook notch is equipped with deep groove, limit rod is slidably installed in deep groove, one side of limit rod and notch hook are connected through reset spring, reset spring is installed in deep groove, notch hook is inserted into arc-shaped insertion hole, it is convenient to hang articles, the restoring force of reset spring makes limit rod pop out, the notch of notch hook is shielded, improve the stability between notch hook, expansion bolt body and articles.

[0006] Preferably, the outer side wall of the limit rod is provided with a limit strip, and the inner wall of the deep groove is provided with a limit groove in sliding connection with the limit strip, the limit rod is slidably arranged in the limit groove to limit the limit rod.

[0007] Preferably, the other side of the notch of the notch hook is provided with a short groove in plug connection with the limit rod, the limit rod is popped out and plugged into the short groove to improve the stability of the limit rod.

[0008] Preferably, the limiting rod away from the side of the reset spring is provided with a rubber layer, after pulling down the limiting rod, the limiting rod needs to be pressed, after the limiting rod is pressed into the deep groove, through the rubber layer, the comfort of the fingers of the staff can be improved.

[0009] Preferably, the outer side wall of the gap hook gap side is provided with an external thread, the outer side wall of the external thread is rotatably provided with a threaded cap, the threaded cap is rotatably installed on the gap hook through the external thread, the limiting rod can be limited in the deep groove, so that the article is convenient to take, and the gap hook is convenient to take from the expansion bolt.

[0010] Preferably, the threaded cap and the gap hook are connected through the elastic rope, the elastic rope connects the threaded groove and the gap hook together, the threaded cap is avoided from being lost, and the elastic rope is selected to be relatively long, so that the threaded cap cannot be rotated.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1. The utility model discloses a gap hook is inserted into the arc-shaped insertion hole, then the article on the sling or the ring is directly sleeved on the gap hook, the article is conveniently hung, the restoring force of the reset spring makes the limiting rod slide out from the deep groove, the gap of the gap hook is sealed, and the stability between the screw rod of the expansion bolt, the gap hook and the article can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the front view schematic drawing of the utility model;

[0014] Fig. 2 It is the reset spring structure schematic drawing of the utility model;

[0015] Fig. 3 It is the threaded cap structure schematic drawing of the utility model.

[0016] In the drawing: 1, expansion bolt body, 2, arc-shaped insertion hole, 3, gap hook, 4, deep groove, 5, limiting rod, 6, reset spring, 7, limiting strip, 8, limiting groove, 9, short groove, 10, rubber layer, 11, external thread, 12, threaded cap. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figs. 1-3 The utility model provides an embodiment: expansion type locking fixer, include: expansion bolt body 1, the screw rod on expansion bolt body 1 is seted up arc insertion hole 2, arc insertion hole 2 is connected with the notch hook 3 in the through, the one side of notch hook 3 gap is seted up deep groove 4, limit rod 5 is slidably installed in deep groove 4, the one side of limit rod 5 is connected with notch hook 3 through reset spring 6, reset spring 6 is installed in deep groove 4.

[0019] Please refer to Figs. 1-3 In the embodiment: the outer side wall of limit rod 5 is installed with limit strip 7, and the inner wall of deep groove 4 is provided with limit groove 8 which is slidably connected with limit strip 7.

[0020] Please refer to Figs. 1-3 In the embodiment: the other side of notch hook 3 gap is seted up short groove 9 which is inserted with limit rod 5.

[0021] Please refer to Figs. 1-3 In the embodiment: the side of limit rod 5 away from reset spring 6 is provided with rubber layer 10.

[0022] Please refer to Figs. 1-3 In the embodiment: the outer side wall of the one side of notch hook 3 gap is provided with external thread 11, and the outer side wall of external thread 11 is rotatably installed with threaded cap 12 through thread.

[0023] Please refer to Figs. 1-3 In the embodiment: threaded cap 12 and notch hook 3 are connected through elastic rope.

[0024] Working principle: after installing expansion bolt body 1, limit rod 5 is pulled, limit rod 5 enters deep groove 4 and presses reset spring 6, then the gap of notch hook 3 is opened, notch hook 3 is inserted into arc insertion hole 2, the installation of notch hook 3 is completed, when the article needs to be hung, the hanging rope or hanging ring on the article is penetrated through notch hook 3, the article can be hung on notch hook 3, after hanging, limit rod 5 is loosened, limit rod 5 is popped out through the restoring force of reset spring 6, the gap of notch hook 3 is closed, the stability among notch hook 3, expansion bolt body 1 and the article is improved, the contents not described in detail in the description belong to the prior art known to the person skilled in the art.

[0025] Although the utility model has been explained in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An expansion-type locking device, including: An expansion bolt body (1) is characterized in that: an arc-shaped insertion hole (2) is provided on the screw of the expansion bolt body (1), a notched hook (3) is connected through the arc-shaped insertion hole (2), a deep groove (4) is provided on one side of the notch of the notched hook (3), a limit rod (5) is slidably installed in the deep groove (4), one side of the limit rod (5) and the notched hook (3) are connected by a return spring (6), and the return spring (6) is installed in the deep groove (4).

2. The expansion-type locking device according to claim 1, characterized in that: The outer side wall of the limiting rod (5) is equipped with a limiting strip (7), and the inner wall of the deep groove (4) is provided with a limiting groove (8) that is slidably connected to the limiting strip (7).

3. The expansion-type locking and fixing device according to claim 1, characterized in that: The notched hook (3) has a short groove (9) on the other side of the notch that can be inserted into the limiting rod (5).

4. The expansion-type locking device according to claim 1, characterized in that: The limiting rod (5) has a rubber layer (10) on the side away from the return spring (6).

5. The expansion-type locking and fixing device according to claim 1, characterized in that: The notched hook (3) has an external thread (11) on one side of the outer wall, and a threaded cap (12) is installed on the outer wall of the external thread (11) by rotating the thread.

6. The expansion-type locking and fixing device according to claim 5, characterized in that: The threaded cap (12) and the notched hook (3) are connected by an elastic rope.

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