CN219973602U

CN219973602U - Building curtain wall locking device

Info

Publication number: CN219973602U
Application number: CN202321332306.8U
Authority: CN
Inventors: 刘文明; 方胜; 周建法; 柴丽骏; 柴骏辉
Original assignee: Zhejiang Dingtian Construction Co ltd
Current assignee: Zhejiang Dingtian Construction Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-07
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a building curtain wall locking device which comprises a screw head, wherein one end of the screw head is provided with a screw rod, a plurality of clamping grooves are formed in the wall of the screw rod at equal intervals, a locking nut is sleeved on the wall of the screw rod in a threaded manner, an external thread groove is formed in one end, far away from the screw head, of the locking nut, and a limit nut is sleeved on the outer wall of the locking nut in a threaded manner through the external thread groove; a plurality of grooves are formed in the outer wall of the lock nut at equal intervals, arc-shaped top blocks are hinged to the inside of each groove through pin shafts, and the lock nut has the beneficial effects that: through set up a fixture block in the logical groove of seting up on lock nut, the fixture block can peg graft to the draw-in groove on the screw rod under the jacking of arc kicking block in, can effectually make more stable difficult production not hard up between lock nut and the screw rod to limit articulated arc kicking block can make the area of contact increase between nut and the curtain through extending the piece on the lock nut.

Description

Building curtain wall locking device

Technical Field

The utility model relates to the technical field of machinery, in particular to a building curtain wall locking device.

Background

The building curtain wall consists of a supporting structure system and a panel, can have certain displacement capacity relative to the main body structure, and does not share a building outer protective structure or a decorative structure acted by the main body structure.

However, when building curtain is installed, in order to make its dismouting of being convenient for and installation stable firm, need use the lock bolt to lock it, but current bolt is mostly single spiral shell head, screw rod and fasten through the nut, because the area of contact of nut and curtain is less for the curtain is great with the pressure of the position bearing of nut contact, and the curtain is easily damaged when receiving the vibration, and when receiving the vibration, the nut easily produces not hard up.

Disclosure of Invention

The utility model aims to provide a building curtain wall locking device which is used for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a building curtain locking device, includes the screw head, the one end of screw head is provided with the screw rod, equidistant a plurality of draw-in groove has been seted up on the wall of pole of screw rod, the lock nut has been cup jointed to the screw rod on the wall of pole of screw rod, the external screw thread groove has been seted up to the one end that the lock nut kept away from the screw head, limit nut has been cup jointed through external screw thread groove screw thread on the outer wall of lock nut;

a plurality of grooves are formed in the outer wall of the lock nut at equal intervals, arc-shaped jacking blocks are hinged to the inner portions of the grooves through pin shafts, through grooves are formed in the inner bottoms of the grooves in a penetrating mode, clamping blocks are inserted into the through grooves in a sliding mode, and one ends of the clamping blocks penetrating through the through grooves are inserted into the clamping grooves.

Preferably, the bottom of the arc-shaped top block is of an arc-shaped structure.

Preferably, one end of the arc-shaped jacking block, which is far away from the clamping block, is fixedly connected with an extension block.

Preferably, each clamping block is fixedly connected with a limiting sliding block on two sides, an adaptive limiting sliding groove is formed in the inner wall of the through groove corresponding to the limiting sliding block, and the limiting sliding blocks are slidably connected in the limiting sliding groove.

Preferably, the bottom of each limit sliding block is fixedly connected with a reset spring, and the other end of the reset spring is fixedly connected with the inner bottom wall of the limit sliding groove.

Compared with the prior art, the utility model has the beneficial effects that: the building curtain wall locking device is simple in structure and convenient to use, the clamping block is arranged in the through groove formed in the locking nut, the clamping block can be inserted into the clamping groove on the screw rod under the lifting of the arc-shaped jacking block, the locking nut and the screw rod can be effectively enabled to be more stable and difficult to loosen, and the arc-shaped jacking block which is limited and hinged on the locking nut can enable the contact area between the nut and the curtain wall to be increased through the extending block.

Drawings

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

FIG. 2 is a schematic view of the structure of the screw in the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is a split view of the present utility model.

In the figure: 1. a screw head; 2. a screw; 3. a clamping groove; 4. a lock nut; 5. an external thread groove; 6. a limit nut; 7. a groove; 8. a pin shaft; 9. an arc-shaped top block; 10. extending the block; 11. a through groove; 12. a clamping block; 13. a limit sliding block; 14. limiting sliding grooves; 15. and a return spring.

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. 1-4, the present utility model provides a technical solution: the utility model provides a building curtain locking device, includes screw head 1, and screw head 1's one end is provided with screw rod 2, and equidistant a plurality of draw-in groove 3 have been seted up on the wall of screw rod 2, and the screw rod 4 has been cup jointed to the screw rod wall of screw rod 1, and the external screw thread groove 5 has been seted up to the one end that the screw head 1 was kept away from to the lock nut 4, has cup jointed spacing nut 6 through external screw thread groove 5 screw thread on the outer wall of lock nut 4;

a plurality of grooves 7 are formed in the outer wall of the lock nut 4 at equal intervals, arc-shaped jacking blocks 9 are hinged to the inner portion of each groove 7 through pin shafts 8, through grooves 11 are formed in the inner bottom of each groove 7 in a penetrating mode, clamping blocks 12 are connected to the inner portion of each through groove 11 in a sliding mode in a penetrating mode, and the clamping blocks 12 penetrate through one ends of the through grooves 11 and are connected to the inner portion of the clamping grooves 3 in a penetrating mode.

Preferably, the bottom of the arc-shaped jacking block 9 is of an arc-shaped structure, and the arc-shaped structure can enable the arc-shaped jacking block 9 to jack the clamping block 12 to the inside of the clamping groove 3 when the pin shaft 8 is used as an axle center for overturning.

Preferably, the arc kicking block 9 is kept away from the one end fixedly connected with extension piece 10 of fixture block 12, and extension piece 10 can make limit nut 6 to the spacing effect of arc kicking block 9 better.

Preferably, both sides of each clamping block 12 are fixedly connected with a limiting sliding block 13, a limiting sliding groove 14 which is matched with the corresponding limiting sliding block 13 is formed in the inner wall of the through groove 11, the limiting sliding block 13 is slidably connected in the limiting sliding groove 14, the limiting sliding block 13 slides in the limiting sliding groove 14 to enable the clamping blocks 12 to be more stable in sliding, and the clamping blocks 12 can be limited.

Preferably, the bottom of each limit sliding block 13 is fixedly connected with a reset spring 15, the other end of the reset spring 15 is fixedly connected with the inner bottom wall of the limit sliding groove 14, and the elastic force of the reset spring 15 can push the limit sliding blocks 13 to drive the clamping blocks 12 to reset.

Specifically, when the utility model is used, the screw rod 2 passes through the screw hole on the curtain wall, the lock nut 4 is sleeved on the rod wall of the screw rod 2 in a threaded manner, the hinged extension block 10 on the lock nut 4 is turned outwards, the extension block 10 drives the arc-shaped jacking block 9 to turn around the pin shaft 8, the arc-shaped jacking block 9 can push the clamping block 12 to extend towards the screw rod 2 along the through groove 11 through the arc-shaped structure at the bottom in the turning process, one end of the clamping block 12 extending out of the through groove 11 can be inserted into the clamping groove 3, so that the connection between the lock nut 4 and the screw rod 2 is reinforced and locked, the limit nut 6 is sleeved on the external thread groove 5 in a threaded manner, the limit nut 6 is connected with the lock nut 4, the limit nut 6 limits the arc-shaped jacking block 9, the contact area between the nut and the curtain wall can be increased by the extension block 10, and the clamping block 12 can be effectively enabled to be more stable and difficult to generate looseness between the lock nut 4 and the screw rod 2 in the inserting mode into the clamping groove 3.

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 therein 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

1. The utility model provides a building curtain locking device, its characterized in that includes screw head (1), the one end of screw head (1) is provided with screw rod (2), equidistant a plurality of draw-in groove (3) have been seted up on the wall of the pole of screw rod (2), the screw rod has cup jointed lock nut (4) on the wall of the pole of screw rod (2), the external screw thread groove (5) have been seted up to the one end that keeps away from screw head (1) of lock nut (4), limit nut (6) have been cup jointed through external screw thread groove (5) screw thread on the outer wall of lock nut (4);

a plurality of grooves (7) are formed in the outer wall of the lock nut (4) at equal intervals, arc-shaped jacking blocks (9) are hinged to the inside of each groove (7) through pin shafts (8), through grooves (11) are formed in the inner bottoms of each groove (7) in a penetrating mode, clamping blocks (12) are connected in a sliding mode in the through grooves (11), and the clamping blocks (12) penetrate through one ends of the through grooves (11) and are connected to the inside of the clamping grooves (3).

2. The building curtain wall locking device according to claim 1, wherein: the bottom of the arc-shaped top block (9) is of an arc-shaped structure.

3. The building curtain wall locking device according to claim 1, wherein: one end of the arc-shaped jacking block (9) far away from the clamping block (12) is fixedly connected with an extension block (10).

4. The building curtain wall locking device according to claim 1, wherein: each clamping block (12) is fixedly connected with a limiting slide block (13) on two sides, an adaptive limiting slide groove (14) is formed in the inner wall of the through groove (11) corresponding to the limiting slide block (13), and the limiting slide blocks (13) are slidably connected in the limiting slide groove (14).

5. The building curtain locking device of claim 4, wherein: the bottom of each limit sliding block (13) is fixedly connected with a reset spring (15), and the other end of the reset spring (15) is fixedly connected with the inner bottom wall of the limit sliding groove (14).