CN212899267U

CN212899267U - High-strength nut connector

Info

Publication number: CN212899267U
Application number: CN202021502158.6U
Authority: CN
Inventors: 徐金国
Original assignee: Zhonghong Special Steel Zhenjiang Co ltd
Current assignee: Zhonghong Special Steel Zhenjiang Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-04-06
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a high strength nut connector, the female joint comprises a sleeve, the fixed first baffle that is equipped with of sleeve inner wall, the inside horizontal guide pillar that is equipped with of first baffle, first spout has all been seted up to horizontal guide pillar top and bottom, the inside first stopper that is equipped with of first spout, first stopper and first baffle fixed connection, first baffle one side is equipped with the second baffle, second baffle and sleeve inner wall fixed connection. The utility model discloses a two sections reinforcing bar bodies that need to connect are close to at the inside mutual displacement of sleeve, make horizontal guide pillar and U-shaped board peg graft to under the spacing effect of first baffle and second baffle, make the effective screw thread number on both sides equal, simultaneously under the effect of spring elastic restoring force, screw thread and left-handed thread and right-handed thread on the reinforcing bar body closely contradict all the time, thereby make this device stability high, intensity is big, and the atress is even, difficult fracture, and the practicality is strong.

Description

High-strength nut connector

Technical Field

The utility model relates to a mechanical connection technical field, concretely relates to high strength nut connector.

Background

The mechanical connection of steel bars is a novel steel bar connection process, called as a third-generation steel bar joint after binding and electric welding, and has the advantages that the joint strength is higher than that of a steel bar base metal, the speed is 5 times faster than that of electric welding, no pollution is caused, steel is saved by 20%, and the like, and generally, the nut connectors are required to be used when the steel bars at two ends are connected.

However, when the existing nut connector is in actual use, the retracting distance of two sections of reinforcing steel bars inside the threaded sleeve is inconsistent, so that the threaded sleeve is uneven in stress and easy to break.

Therefore, it is necessary to provide a high strength nut connector to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high strength nut connector, the reinforcing bar body through two sections needs to be connected is close to at the inside mutual displacement of sleeve, makes horizontal guide pillar and U-shaped board peg graft to under the spacing effect of first baffle and second baffle, make the effective screw thread number on both sides equal, simultaneously under the effect of spring elastic restoring force, screw thread and left-handed screw thread and right-handed screw thread on the reinforcing bar body closely contradict all the time, with the above-mentioned weak point in the solution technique.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a high strength nut connector, includes the sleeve, the fixed first baffle that is equipped with of sleeve inner wall, the inside horizontal guide pillar that is equipped with of first baffle, first spout has all been seted up to horizontal guide pillar top and bottom, the inside first stopper that is equipped with of first spout, first stopper and first baffle fixed connection, first baffle one side is equipped with the second baffle, second baffle and sleeve inner wall fixed connection, the inside U-shaped board that is equipped with of second baffle, the second spout has all been seted up to U-shaped board top and bottom, the inside second stopper that is equipped with of second spout, second stopper and U-shaped board fixed connection, be equipped with the spring between U-shaped board and the horizontal guide pillar, the spring both ends respectively with U-shaped board and horizontal guide pillar fixed connection.

Preferably, the cross section of the first sliding groove is T-shaped, and the first limiting block is matched with the first sliding groove.

Preferably, the cross section of the second sliding groove is T-shaped, and the second limiting block is matched with the second sliding groove.

Preferably, the top and the bottom of one side of the transverse guide pillar, which is close to the U-shaped plate, are both provided with inclined planes, the opening of one side of the U-shaped plate, which is close to the transverse guide pillar, is provided with an inclined plane, and the first baffle and the second baffle are symmetrically distributed around the center of the sleeve.

Preferably, be equipped with two strengthening ribs between first baffle and the second baffle, two the strengthening rib distributes in telescopic top and bottom and with sleeve, first baffle and second baffle fixed connection.

Preferably, the inner wall of one side of the sleeve is provided with left-handed threads, the inner wall of the other side of the sleeve is provided with right-handed threads, the left-handed threads are arranged on one side of the first baffle, which is far away from the second baffle, and the two sides of the sleeve are respectively in threaded connection with the steel bar body through the left-handed threads and the right-handed threads.

In the technical scheme, the utility model provides a technological effect and advantage:

the worker inserts two sections of steel bar bodies to be connected into two sides of the sleeve respectively, under the action of the two sections of steel bar bodies, the transverse guide post is stressed to move rightwards, the U-shaped plate is stressed to move rightwards and is inserted into the transverse guide post, so that the connection between the first baffle and the second baffle is strengthened, and due to the limit of the first baffle and the second baffle, the effective screw threads on two sides are equal, namely, the two sides of the sleeve are stressed uniformly, and under the action of the elastic restoring force of the spring, the screw thread on the steel bar body is always in tight contact with the left-handed screw thread and the right-handed screw thread. The bearing capacity of the threaded sleeve is increased, so that the device is high in stability, high in strength, not prone to fracture and high in practicability.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

fig. 2 is a schematic structural view of the two sections of the steel bar bodies of the present invention after being connected;

fig. 3 is a schematic view of the structure of the transverse guide pillar of the present invention.

Description of reference numerals:

the steel bar reinforcing device comprises a sleeve 1, a first baffle 2, a transverse guide pillar 3, a first sliding groove 4, a first limiting block 5, a second baffle 6, a U-shaped plate 7, a second sliding groove 8, a second limiting block 9, a spring 10, a reinforcing rib 11, a left-handed thread 12, a right-handed thread 13 and a steel bar body 14.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a high-strength nut connector as shown in figures 1-3, which comprises a sleeve 1, a first baffle 2 is fixedly arranged on the inner wall of the sleeve 1, a transverse guide post 3 is arranged inside the first baffle 2, the top and the bottom of the transverse guide post 3 are both provided with a first sliding chute 4, a first limit block 5 is arranged inside the first sliding chute 4, the first limiting block 5 is fixedly connected with the first baffle 2, one side of the first baffle 2 is provided with a second baffle 6, the second baffle 6 is fixedly connected with the inner wall of the sleeve 1, a U-shaped plate 7 is arranged inside the second baffle 6, the top and the bottom of the U-shaped plate 7 are both provided with a second chute 8, a second limit block 9 is arranged inside the second chute 8, the second limiting block 9 is fixedly connected with the U-shaped plate 7, a spring 10 is arranged between the U-shaped plate 7 and the transverse guide pillar 3, and two ends of the spring 10 are respectively fixedly connected with the U-shaped plate 7 and the transverse guide pillar 3.

Further, in the above technical scheme, the cross section of the first sliding chute 4 is T-shaped, and the first limiting block 5 is matched with the first sliding chute 4, so that the stability between the transverse guide pillar 3 and the first baffle 2 is improved.

Further, in the above technical scheme, the cross section of the second chute 8 is T-shaped, and the second limiting block 9 is matched with the second chute 8, so that the stability between the U-shaped plate 7 and the second baffle 6 is improved.

Further, in the above technical scheme, the top and the bottom of one side of the transverse guide pillar 3 close to the U-shaped plate 7 are both set as inclined planes, the opening of one side of the U-shaped plate 7 close to the transverse guide pillar 3 is set as an inclined plane, the first baffle 2 and the second baffle 6 are symmetrically distributed about the center of the sleeve 1, the inclined plane at the adjacent position of the transverse guide pillar 3 and the U-shaped plate 7 is provided to facilitate the insertion of the transverse guide pillar 3 into the opening of the U-shaped plate 7, and the effective tapping number of the left-handed thread 12 and the effective tapping number of the right-handed thread 13 can be guaranteed to be consistent by the symmetrical distribution of the first baffle 2 and the second.

Further, in the above technical scheme, be equipped with two strengthening ribs 11 between first baffle 2 and the second baffle 6, two strengthening ribs 11 distribute in the top and the bottom of sleeve 1 and with sleeve 1, first baffle 2 and second baffle 6 fixed connection, the bearing capacity of sleeve 1 when using can be further improved to strengthening rib 11, improves sleeve 1's intensity.

Further, in the above technical solution, the inner wall of one side of the sleeve 1 is provided with a left-handed thread 12, the inner wall of the other side of the sleeve 1 is provided with a right-handed thread 13, the left-handed thread 12 is arranged on one side of the first baffle 2 away from the second baffle 6, and the two sides of the sleeve 1 are respectively in threaded connection with a steel bar body 14 through the left-handed thread 12 and the right-handed thread 13.

The implementation mode is specifically as follows: when the utility model is used, a worker firstly inserts one end of a section of steel bar body 14 into the left side of the sleeve 1, and rotates the steel bar body 14, under the action of the left-handed thread 12, one end of the steel bar body 14 moves towards the first baffle 2, after one end of the steel bar body 14 reaches the transverse guide post 3, the transverse guide post 3 is forced to move rightwards, until one end of the steel bar body 14 contacts with the first baffle 2, the movement is stopped, then another section of steel bar body 14 to be connected is inserted into the right side of the sleeve 1, the steel bar body 14 is rotated, under the action of the right-handed thread 13, one end of the steel bar body 14 moves towards the second baffle 6, after one end of the steel bar body 14 reaches the U-shaped plate 7, the U-shaped plate 7 is forced to move leftwards, until one end of the steel bar body 14 contacts with the second baffle 6, at the moment, the steel bar bodies 14 at both ends are limited by the, the moving distances in the sleeve 1 are equal, the effective screw threads on two sides are equal, namely, the two sides of the sleeve 1 are uniformly stressed, the connection strength is high, the connection is firmer, and the stress of the spring 10 is compressed to have elastic restoring force, so that a thrust force towards the direction away from the sleeve 1 is generated on the steel bar bodies 14 on the two sides through the U-shaped plate 7 and the transverse guide pillar 3, further, the threads on the steel bar bodies 14 are tightly butted with the left-handed threads 12 and the right-handed threads 13, the condition that the steel bar bodies 14 are loosened is effectively avoided, meanwhile, the transverse guide pillar 3 is clamped at the opening of the U-shaped plate 7, the relation between the first baffle plate 2 and the second baffle plate 6 is increased, the stability of the sleeve 1 is improved, the condition that the sleeve 1 is broken due to overlarge stress is effectively avoided, and the implementation mode particularly solves the problem that the nut connector in the prior art is actually used, the indentation distance of two sections of reinforcing bars inside the threaded sleeve 1 is inconsistent, and the stress of the threaded sleeve 1 is uneven and easy to break, and when the threaded sleeve is used for a long time, the reinforcing bars and the threaded sleeve 1 are loosened, the reinforcing bars have the risk of falling, the safety performance is low, meanwhile, the bearing capacity of the threaded sleeve 1 is weak, the threaded sleeve is easy to break, and the practicability is low.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A high strength nut connector, includes sleeve (1), its characterized in that: a first baffle (2) is fixedly arranged on the inner wall of the sleeve (1), a transverse guide pillar (3) is arranged inside the first baffle (2), first sliding grooves (4) are formed in the top and the bottom of the transverse guide pillar (3), a first limiting block (5) is arranged inside the first sliding groove (4), the first limiting block (5) is fixedly connected with the first baffle (2), a second baffle (6) is arranged on one side of the first baffle (2), the second baffle (6) is fixedly connected with the inner wall of the sleeve (1), a U-shaped plate (7) is arranged inside the second baffle (6), second sliding grooves (8) are formed in the top and the bottom of the U-shaped plate (7), a second limiting block (9) is arranged inside the second sliding groove (8), the second limiting block (9) is fixedly connected with the U-shaped plate (7), and a spring (10) is arranged between the U-shaped plate (7) and the transverse guide pillar (3), and two ends of the spring (10) are respectively and fixedly connected with the U-shaped plate (7) and the transverse guide post (3).

2. A high strength nut connector as defined in claim 1, wherein: the cross section of the first sliding groove (4) is T-shaped, and the first limiting block (5) is matched with the first sliding groove (4).

3. A high strength nut connector as defined in claim 1, wherein: the cross section of the second sliding groove (8) is T-shaped, and the second limiting block (9) is matched with the second sliding groove (8).

4. A high strength nut connector as defined in claim 1, wherein: the top and the bottom of one side of the transverse guide post (3) close to the U-shaped plate (7) are both provided with inclined planes, the opening of one side of the U-shaped plate (7) close to the transverse guide post (3) is provided with an inclined plane, and the first baffle (2) and the second baffle (6) are distributed symmetrically about the center of the sleeve (1).

5. A high strength nut connector as defined in claim 1, wherein: be equipped with two strengthening ribs (11), two between first baffle (2) and second baffle (6) strengthening rib (11) distribute in the top and the bottom of sleeve (1) and with sleeve (1), first baffle (2) and second baffle (6) fixed connection.

6. A high strength nut connector as defined in claim 1, wherein: left-handed screw (12) have been seted up to sleeve (1) one side inner wall, right-handed screw (13) have been seted up to sleeve (1) opposite side inner wall, left-handed screw (12) are established in one side of first baffle (2) keeping away from second baffle (6), sleeve (1) both sides are respectively through left-handed screw (12) and right-handed screw (13) threaded connection have reinforcing bar body (14).