CN213572661U

CN213572661U - Self-opening blind eye bolt anchoring device

Info

Publication number: CN213572661U
Application number: CN202021987887.5U
Authority: CN
Inventors: 吴畏; 王小敏
Original assignee: Jiangsu Heyue New Material Technology Co Ltd
Current assignee: Jiangsu Heyue New Material Technology Co Ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-06-29
Anticipated expiration: 2030-09-12

Abstract

The utility model discloses a self-opening blind eye bolt anchoring device, which comprises a sleeve, the bottom of the sleeve is provided with an expansion sleeve, a fixed block is arranged between the sleeve and the expansion sleeve, a screw rod penetrates between the sleeve and the expansion sleeve, the bottom end of the expansion sleeve is provided with a neck ring, the top end of the screw rod and the neck ring are in a clamping state, the bottom end of the neck ring is provided with a protective block, one side of the protective block is clamped into the interior of the neck ring and penetrates through a cross rod, the surface of the cross rod is sleeved with a torsional spring, and the surface of the protective block is fixed with a limiting block; through spacing groove, neck ring, stopper, torsional spring of design, make this anchor increase limit structure on original basis, make the screw rod accomplish to run through the operation back, carry on spacingly to the position of screw rod, improve the biography phenomenon certainly of screw rod, influence this anchor's connection effect to make this anchor's connection more firm.

Description

Self-opening blind eye bolt anchoring device

Technical Field

The utility model belongs to the technical field of the anchor, concretely relates to from open blind eye bolt anchor.

Background

The anchoring of the reinforcing steel bars refers to that the reinforcing steel bars are wrapped in concrete, so that the connection between the concrete and the reinforcing steel bars is enhanced, the building is firmer, the purpose is to enable the reinforcing steel bars and the building to work together to bear various stresses, the blind eye bolts in the self-opening blind eye bolt anchoring device increase the anchoring effect of the anchoring device, and the anchoring device is more convenient to install.

The utility model discloses a be CN204983164U, a from open blind eye bolt anchor, through installing this anchor in reinforced concrete's inside when using, and run through fixedly through the screw rod, because the screw rod is connected for the screw thread rotation with being connected between expansion sleeve and the sleeve and fixed, this connected mode is after long-term the use, and the screw rod easily appears from passing the phenomenon to lead to the problem of screw rod and anchor separation, for this the utility model provides a from open blind eye bolt anchor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a from open blind eye bolt anchor 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: the utility model provides a from open blind eye bolt anchor, includes the sleeve, telescopic bottom is provided with expansion sleeve, and is provided with the fixed block between sleeve and the expansion sleeve, it has the screw rod to run through between sleeve and the expansion sleeve, expansion sleeve's bottom is provided with the neck ring, the top of screw rod is the block state with the neck ring, the bottom of neck ring is provided with the protecting block, one side card of protecting block is gone into the inside of neck ring and is run through the horizontal pole, and the horizontal pole surface has cup jointed the torsional spring, the fixed surface of protecting block has the spacing piece, the spacing groove with stopper looks adaptation is seted up on the top of screw rod.

Preferably, the surface of the collar is fixed with a clamping block, and the bottom end of the expansion sleeve is provided with a clamping groove matched with the clamping block.

Preferably, the clamping block is clamped in the clamping groove, and the cross section of the clamping block is of a circular structure.

Preferably, the collar is a metal component, and the collar is a hollow cylinder structure.

Preferably, the surface of the limiting block is in a fitting state with the inner wall of the limiting groove, and the limiting block is a metal component.

Preferably, the inner side of the sleeve is provided with an anchoring elastic sheet, and a pin shaft penetrates through the bottom end of the anchoring elastic sheet corresponding to the inner part of the sleeve.

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

(1) through spacing groove, neck ring, stopper, torsional spring of design, make this anchor increase limit structure on original basis, make the screw rod accomplish to run through the operation back, carry on spacingly to the position of screw rod, improve the biography phenomenon certainly of screw rod, influence this anchor's connection effect to make this anchor's connection more firm.

(2) Through draw-in groove, the fixture block of design, increase the block area between protection piece and the neck ring to make the connection between the two more firm.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the area A of FIG. 1 according to the present invention;

FIG. 3 is a schematic cross-sectional view of the connection between the expansion sleeve and the collar of the present invention;

FIG. 4 is a schematic view of the structure of the junction between the collar and the expansion sleeve of the present invention;

in the figure: 1. a sleeve; 2. anchoring the elastic sheet; 3. a pin shaft; 4. expanding the casing; 5. a protection block; 6. a collar; 7. a fixed block; 8. a screw; 9. a card slot; 10. a clamping block; 11. a torsion spring; 12. a limiting block; 13. a limiting 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.

Example 1

Referring to fig. 1 to 3, the present invention provides a technical solution: a self-opening blind eye bolt anchoring device comprises a sleeve 1, an expansion sleeve 4 is arranged at the bottom of the sleeve 1, a fixing block 7 is arranged between the sleeve 1 and the expansion sleeve 4, a screw 8 penetrates between the sleeve 1 and the expansion sleeve 4, a collar 6 is arranged at the bottom end of the expansion sleeve 4, the top end of the screw 8 and the collar 6 are in a clamping state, a protection block 5 is arranged at the bottom end of the collar 6, one side of the protection block 5 is clamped into the collar 6 and penetrates through a cross rod, a torsion spring 11 is sleeved on the surface of the cross rod, a limiting block 12 is fixed on the surface of the protection block 5, a limiting groove 13 matched with the limiting block 12 is formed in the top end of the screw 8, a limiting structure is additionally arranged on the original basis through the designed limiting groove 13, the collar 6, the limiting block 12 and the torsion spring 11, after the screw 8 finishes the penetrating operation, the position of the screw 8 is limited, the phenomenon of self-transmission of the screw rod 8 is improved, the connection effect of the anchoring device is influenced, and therefore the anchoring device is connected more stably.

Example 2

Referring to fig. 1 to 4, the present invention provides a technical solution: a self-opening blind eye bolt anchoring device comprises a sleeve 1, an expansion sleeve 4 is arranged at the bottom of the sleeve 1, a fixing block 7 is arranged between the sleeve 1 and the expansion sleeve 4, a screw 8 penetrates between the sleeve 1 and the expansion sleeve 4, a collar 6 is arranged at the bottom end of the expansion sleeve 4, the top end of the screw 8 and the collar 6 are in a clamping state, a protection block 5 is arranged at the bottom end of the collar 6, one side of the protection block 5 is clamped into the collar 6 and penetrates through a cross rod, a torsion spring 11 is sleeved on the surface of the cross rod, a limiting block 12 is fixed on the surface of the protection block 5, a limiting groove 13 matched with the limiting block 12 is formed in the top end of the screw 8, a limiting structure is additionally arranged on the original basis through the designed limiting groove 13, the collar 6, the limiting block 12 and the torsion spring 11, after the screw 8 finishes the penetrating operation, the position of the screw 8 is limited, the phenomenon of self-transmission of the screw rod 8 is improved, the connection effect of the anchoring device is influenced, and therefore the anchoring device is connected more stably.

In this embodiment, preferably, a fixture block 10 is fixed on the surface of the collar 6, a clamping groove 9 matched with the fixture block 10 is formed at the bottom end of the expansion sleeve 4, and the clamping area between the protection block 5 and the collar 6 is increased through the designed clamping groove 9 and the fixture block 10, so that the connection between the protection block and the collar 6 is more stable.

The utility model discloses a theory of operation and use flow: in this anchor use, through the inside of going into the anchor card into reinforced concrete, when needs run through screw rod 8, at first go into the inside of draw-in groove 9 with fixture block 10 card on the neck ring 6, the rethread is stirred protection block 5 one side, use the horizontal pole as the center upset between the opposite side of messenger protection block 5 and the neck ring 6, run through screw rod 8 to the inside of expansion tube 4 and sleeve 1 after that, and make screw rod 8 embedding neck ring 6's inside, loosen protection block 5 again, make the stopper 12 card of protection block 5 inboard inside go into the spacing groove 13 that the screw rod 8 top was seted up inside, accomplish the installation to anchor.

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

Claims

1. The utility model provides a from open blind eye bolt anchor, includes sleeve (1), the bottom of sleeve (1) is provided with expansion sleeve (4), and is provided with fixed block (7), its characterized in that between sleeve (1) and expansion sleeve (4): run through between sleeve (1) and expansion sleeve (4) and have screw rod (8), the bottom of expansion sleeve (4) is provided with neck ring (6), the top of screw rod (8) is the block state with neck ring (6), the bottom of neck ring (6) is provided with protecting block (5), one side card of protecting block (5) is gone into the inside of neck ring (6) and is run through and has been had the horizontal pole, and the horizontal pole surface has cup jointed torsional spring (11), the fixed surface of protecting block (5) has stopper (12), spacing groove (13) with stopper (12) looks adaptation are seted up on the top of screw rod (8).

2. A self-opening blind eye bolt anchoring device according to claim 1, wherein: the surface of the collar (6) is fixed with a clamping block (10), and the bottom end of the expansion sleeve (4) is provided with a clamping groove (9) matched with the clamping block (10).

3. A self-opening blind eye bolt anchoring device according to claim 2, wherein: the clamping block (10) is clamped in the clamping groove (9), and the cross section of the clamping block (10) is of a circular structure.

4. A self-opening blind eye bolt anchoring device according to claim 1, wherein: the necklace (6) is a metal component, and the necklace (6) is of a hollow cylinder structure.

5. A self-opening blind eye bolt anchoring device according to claim 1, wherein: the surface of the limiting block (12) is in a fitting state with the inner wall of the limiting groove (13), and the limiting block (12) is a metal component.

6. A self-opening blind eye bolt anchoring device according to claim 1, wherein: the inner side of the sleeve (1) is provided with an anchoring elastic sheet (2), and a pin shaft (3) penetrates through the bottom end of the anchoring elastic sheet (2) corresponding to the inner part of the sleeve (1).