CN206581498U - Double self-locking reinforcing bar quick-plugging connector devices - Google Patents

Abstract

The utility model provides a double self-locking steel bar quick-plug joint device, comprising: a first connecting part, including a plug joint and a first connecting part for connecting steel bars; a second connecting part, including a containing cylinder and a connecting part for connecting steel bars The second connecting part, one end of the accommodating cylinder is connected to the second connecting part, the other end of the accommodating cylinder is formed with a first opening, and the accommodating cylinder is formed with an accommodating cavity communicating with the first opening, and the accommodating cylinder is close to the first opening. The open cylinder wall is provided with a through channel; the socket sleeve elastically arranged in the accommodating cavity to close the channel forms a socket cavity for inserting the plug connector; the locking piece resting in the channel is pressed against the Socket sleeve; an elastic sleeve sleeved outside the housing cylinder, its inner wall is pressed against the locking piece and after the plug joint is inserted into the socket sleeve, it presses against the locking piece and slides to the accommodation cavity for locking plug connector. The utility model solves the problem of low construction efficiency of the traditional steel bar connection sleeve/joint in the steel bar butt joint construction.

Description

Double self-locking steel bar quick plug joint device

technical field

The utility model relates to a steel bar connection tool, in particular to a double self-locking steel bar quick-plug joint device.

Background technique

In the construction of reinforced concrete structures, the connection methods of steel bars include binding, welding and mechanical connection. In the current building construction, the steel mechanical connection joint is the most commonly used because of its better connection effect. The steel bar mechanical connection joint greatly improves the connection strength of the steel bar without destroying the bending resistance of the steel bar, and ensures the construction quality of the reinforced concrete structure.

The common methods of steel mechanical connection joints include extrusion sleeves and threaded connection joints. Sleeve extrusion connection requires extrusion equipment and requires a certain operating space. The threaded joint is a joint with an internal thread, and an external thread matching the above-mentioned internal thread is provided at the end of the steel bar to be connected. During the steel bar butt joint construction, when the threaded joint and the steel bar are threaded, the joint or the steel bar needs to be rotated. At this time, tightening tools and operating space are required. In the butt joint construction of steel bars, due to the influence of the straightness of steel bars and the precision of thread processing, it takes a lot of energy to connect the sleeves between steel bars and steel bars, which increases the construction difficulty of butt joints of steel bars, especially the butt joints of steel mesh or steel structure. At the same time, the number of steel bars to be butted is large, and the butt joint work surface is narrow. When the above-mentioned existing joints are used to connect the steel bars, the construction is difficult, time-consuming and laborious, and the construction efficiency is low.

Contents of the invention

In order to overcome the defects of the existing technology, a double self-locking steel bar quick-plug joint device is provided to solve the problem of low construction efficiency of the traditional steel bar connection sleeve/joint in the butt joint construction of steel bars.

In order to achieve the above purpose, a double self-locking steel bar quick-plug joint device is provided, including:

The first connecting piece includes a plug joint and a first connecting part for connecting the first steel bar;

The second connecting piece includes an accommodating cylinder and a second connecting portion for connecting the second steel bars, the first end of the accommodating cylinder is connected to the second connecting portion, and the second end of the accommodating cylinder is formed with a first An opening, the accommodating cylinder is formed with an accommodating cavity communicating with the first opening, and a through passage is formed on the cylinder wall of the accommodating cylinder close to the first opening;

A socket sleeve elastically arranged in the accommodating cavity to close the passage, and a socket cavity for inserting the socket connector is formed in the socket sleeve;

a locking member resting in the channel, pressed against the socket sleeve; and

an elastic sleeve sleeved outside the accommodating cylinder, the inner side wall of the elastic sleeve presses against the locking member, and the inner side wall of the elastic sleeve is inserted into the socket when the plug joint After the sleeve presses against the locking member and slides to the accommodating cavity to lock the plug connector.

Further, the surface of the plug connector is provided with an annular groove along the radial direction, and the annular groove matches the locking piece.

Further, the locking member is spherical.

Further, the inner side wall of the elastic sleeve is concavely formed on the side away from the accommodating tube to form an arc-shaped pressing surface, and the arc-shaped pressing surface presses against the locking member.

Further, the elastic sleeve includes:

A sleeve body sleeved on the accommodating cylinder, an annular cavity is formed between the sleeve body and the accommodating cylinder; and

The first elastic connecting piece accommodated in the annular cavity to resist the sleeve body sliding to the second end of the accommodating cylinder.

Further, the inner side wall of the sleeve body is provided with a radially arranged first annular protrusion, and the outer side wall of the accommodating cylinder is provided with a radially arranged second annular protrusion, and the first annular protrusion The annular cavity is formed between the side of the protrusion away from the first opening and the second annular protrusion.

Further, it also includes that the socket sleeve is elastically connected to the accommodating cylinder through a second elastic connecting member.

Further, the inside of the cylinder wall of the accommodating cylinder is provided with a limit protrusion for preventing the socket sleeve from slipping off.

The beneficial effect of the utility model is that the double self-locking steel bar quick-plug joint device of the utility model is inserted into and pressed against the socket sleeve elastically connected to the second connecting piece through the first connecting piece with a plug joint, thereby releasing the lock of the locking piece Fasten the first connecting piece to realize the fast in-line insertion of the first connecting piece and the second connecting piece connecting the butt steel bars. When connecting steel bars, the first connecting piece and the second connecting piece can be pre-connected to the butt steel bars, and then the first connecting piece is inserted into the socket sleeve to lock the first connecting piece and the second connecting piece together . The double self-locking steel bar quick-insert joint device of the utility model is adopted to butt the steel bars to realize efficient, fast and convenient construction, and improve the construction efficiency of the steel bar butt joints.

Description of drawings

Fig. 1 is a schematic diagram of a double self-locking steel bar quick-plug joint device of the present invention.

Fig. 2 is a schematic diagram of the first connecting piece of the double self-locking steel bar quick-plug joint device of the present invention.

Fig. 3 is a schematic diagram of the combination of the second connecting piece, the socket sleeve, the locking piece and the elastic sleeve of the double self-locking steel bar quick-plug joint device of the present invention.

Fig. 4 is a cross-sectional view at A-A in Fig. 3 .

Fig. 5 is a cross-sectional view of the second connecting piece of the double self-locking steel bar quick-plug joint device of the present invention.

Fig. 6 is a cross-sectional view of the socket sleeve of the double self-locking steel bar quick-plug joint device of the present invention.

Fig. 7 is the elastic sleeve of the double self-locking steel bar quick-plug joint device of the present invention.

Fig. 8 is a diagram of the usage status of the double self-locking steel bar quick-plug joint device of the present invention when connecting steel bars.

detailed description

The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model.

Fig. 1 is a schematic diagram of the utility model double self-locking steel bar quick-plug joint device, Fig. 2 is a schematic diagram of the first connector of the utility model double self-locking steel bar quick-plug joint device, Fig. 3 is the utility model double self-locking steel bar quick-plug joint device Schematic diagram of the combination of the second connecting piece, socket sleeve, locking piece and elastic sleeve of the plug joint device, Figure 4 is a cross-sectional view at A-A in Figure 3, and Figure 5 is a double self-locking steel bar quick-plug joint of the present invention The cross-sectional view of the second connector of the device, Figure 6 is a cross-sectional view of the socket sleeve of the double self-locking steel bar quick-insert joint device of the present invention, and Figure 7 is the elasticity of the utility model's double self-locking steel bar quick-insert joint device sleeve.

Referring to Figures 1 to 7, the utility model provides a double self-locking steel bar quick-plug joint device, including: a first connecting piece 1, a second connecting piece 2, a socket sleeve 3, a locking piece 4, The elastic sleeve 5 , the protective sleeve 6 and the first elastic connecting piece 7 .

The first connecting piece 1 includes a plug joint 11 and a first connecting portion 12 for connecting the first steel bar B to.

The second connecting piece 2 includes a second connecting portion 21 and an accommodating cylinder 22 . The second connecting portion 21 is mainly used for connecting the second reinforcement C. The first end of the accommodating cylinder 22 is connected to the second connecting portion 21 . A first opening is formed at the second end of the containing cylinder 22 . The accommodating cylinder 22 is formed with an accommodating cavity 222 communicating with the first opening. A through channel 221 is formed on a wall of the accommodating cylinder 22 close to the first opening. The first connection part 12 and the second connection part 21 are similar in structure.

The socket sleeve 3 is elastically arranged in the accommodation cavity 222 to block the side of the channel 221 close to the accommodation cavity 222. The socket sleeve 3 is formed with a socket cavity 32 into which the socket connector 11 is inserted. A second opening communicating with the socket cavity 32 is formed in the first end of the socket sleeve 3 close to the first opening. The locking member 4 rests in the channel 221 and presses against the socket sleeve 3 . The elastic sleeve 5 is sheathed on the outside of the accommodating tube 22 . The inner wall of the elastic sleeve 5 is pressed against the locking member 4, and the inner wall of the elastic sleeve 5 is pressed against the locking member 4 and slides to the accommodating cavity 222 to lock after the plug connector 11 is inserted into the socket sleeve 3 Plug connector 11.

The number of passages 221 in the accommodating cylinder 22 and the corresponding number of locking pieces 4 can be provided according to working conditions and force requirements to enhance the locking degree of the plug connector 11 .

In actual use, when the plug joint 11 is inserted into the socket sleeve 3 and pressed against the socket sleeve 3 to approach the second connecting portion 21, the socket sleeve 3 opens the channel 221, and the inner side wall of the elastic sleeve 5 is pressed. The locking member 4 slides toward the accommodating cavity 222 , and the locking member 4 presses against the plug connector 11 to lock the plug connector 11 . Therefore, the length of the locking member 4 should be greater than the length of the channel 221 , so that the locking member 4 is pressed between the elastic sleeve 5 and the socket sleeve 3 .

The double self-locking steel bar quick-plug joint device of the utility model is realized by inserting the first connecting piece with the plug joint into and pressing against the socket sleeve elastically connected to the second connecting piece, and then releasing the locking piece to lock the first connecting piece. Quick in-line insertion of the first connector and the second connector for connecting butt steel bars. When connecting steel bars, the first connecting piece and the second connecting piece can be pre-connected to the butt steel bars, and then the first connecting piece is inserted into the socket sleeve to lock the first connecting piece and the second connecting piece together . The double self-locking steel bar quick-plug joint device of the utility model is adopted to butt the steel bars to realize efficient, fast and convenient construction, improve the construction efficiency of the steel bar butt joint, and also avoid the disadvantage of rotating the steel bar when the traditional steel bar connecting sleeve is butt jointed.

The first connecting part 12 is a hollow sleeve, the sleeve is provided with a first internal thread, the end of the first steel bar B is provided with a first external thread matching the first internal thread, the first connecting part 12 and the first Rebar B threaded connection. The plug connector 11 is connected to one end of the first connecting portion 12 . Preferably, the plug joint 1 and the first connecting part 12 are integrally formed. The surface of the plug joint 11 is provided with an annular groove along the radial direction, and the annular groove is matched with the locking member 4 .

The second connecting part 21 is a hollow sleeve, the sleeve is provided with a second internal thread, the end of the second steel bar C is provided with a second external thread matching the second internal thread, the second connecting part 21 and the first Two reinforcing bars C threaded connection.

The number of annular grooves on the surface of the plug joint 11 can be selected according to working conditions and force requirements, and multiple annular grooves can be provided.

The locking member 4 may be a locking block or a locking ball or the like. In this embodiment, the locking member 4 is a locking ball. The diameter of the locking ball should be greater than the length of the passage 221. When the socket sleeve 3 blocks the side of the passage 221 close to the accommodating cavity 222, the inner wall of the elastic sleeve 5 presses against the locking ball. When the socket sleeve 3 is inserted by the plug joint 11 and pressed against the second connecting part 12, and then no longer blocks the channel 221, the inner side wall of the elastic sleeve 5 presses the locking member 4 to the accommodation cavity 222 Slide and finally snap into the annular groove to lock the plug connector 11 .

The elastic sleeve 5 includes a sleeve body 51 and a first elastic connecting piece 52 . The sleeve body 51 is sheathed on the accommodating tube 22 . The inner side wall of the sleeve body 51 is provided with a first annular protrusion 511 arranged radially, and the side surface of the first annular protrusion 511 close to the first opening forms a mortgage surface 5111. In this embodiment, the pressing surface 5111 is an arc-shaped pressing surface concave toward the side away from the accommodating cylinder 22 .

The outer wall of the accommodating cylinder 22 is provided with a second annular protrusion arranged radially, the first annular protrusion 511 cooperates with the second annular protrusion, and the side of the first annular protrusion 511 far away from the first opening is in contact with the second annular protrusion. An annular cavity is formed between them.

The first elastic connecting member 52 is accommodated in the annular cavity to abut against the sleeve body 51 and slide toward the second end of the accommodating cylinder 22 . In this embodiment, the first elastic connecting member 52 is a helical spring, and the helical spring is sheathed in the accommodating cylinder 22 and connected between the sleeve body 51 and the outer wall of the accommodating cylinder 22 . The first elastic connecting member 52 pushes the sleeve body 51 to slide toward the first opening so that the mortgage surface 5111 can press against the locking member 4 and approach the accommodating cavity 222 .

In order to firmly restrict the socket sleeve 3 in the accommodation cavity 222, in this embodiment, the inner side wall of the accommodation cylinder 22 is provided with an annular limiting protrusion for preventing the socket sleeve from slipping off. Piece. The limiting projections are radially arranged on the inner sidewall of the accommodating cylinder 22 . Correspondingly, a third annular protrusion 31 is formed on the outer wall near the first end of the socket sleeve 3 to cooperate with the limiting protrusion. The limiting protrusion of the receiving cylinder 22 cooperates with the third annular protrusion 31 to limit the socket sleeve 3 in the receiving cavity 222 .

In order to prevent improper operation, especially sliding the elastic sleeve to make the locking part slip out of the channel, a protective sleeve is provided outside the elastic sleeve. The protective sleeve 6 is a hollow sleeve. The protective sleeve 6 is sleeved on the outside of the elastic sleeve 5 , one end of the protective sleeve 6 is flush with the second end of the housing tube 22 , and the other end of the protective sleeve 6 and the second connecting portion are away from the side of the housing tube 22 . One end is flush to cover the elastic sleeve 5 and the second connecting portion 21 . The wall of the second connection part 21 at the end far away from the accommodating cylinder 22 is provided with a third external thread matched with the third external thread, and the protective sleeve 6 is threadedly connected with the second connection part 21 .

It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not intended to limit the scope of this practical application. The restrictive conditions for the implementation of the new model, so it has no technical substantive significance, any modification of the structure, the change of the proportional relationship or the adjustment of the size, without affecting the effect and the purpose of the utility model, should be Still fall within the scope that the technical content disclosed by the utility model can cover. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description and are not used to limit this specification. The practicable range of the utility model, and the change or adjustment of its relative relationship, without any substantial change in the technical content, shall also be regarded as the practicable scope of the utility model.

The utility model has been described in detail above in conjunction with the embodiments of the accompanying drawings, and those skilled in the art can make various changes to the utility model according to the above description. Therefore, some details in the embodiments should not constitute limitations to the utility model, and the utility model shall take the scope defined by the appended claims as the scope of protection.

Claims (8)

1. a kind of pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that including：

First connector, including connection-peg and the first connecting portion for the first bar connecting；

Second connector, including accommodating cylinder and the second connecting portion for the second bar connecting, the first end connection of the accommodating cylinder The second connecting portion, the second end of the accommodating cylinder is formed with the first opening, and the accommodating cylinder is formed with to be opened with described first The passage of insertion is formed with the accommodating cavity of mouth connection, the accommodating cylinder on the barrel of the described first opening；

It is flexibly set in the accommodating cavity and is formed with closing in the socket joint sleeve of the passage, the socket joint sleeve for described The socket joint cavity that connection-peg is plugged；

The lock piece in the passage is held on, the socket joint sleeve is pressed against；And

The resilient sleeve outside the accommodating cylinder is sheathed on, the madial wall of the resilient sleeve is pressed against the lock piece, and described The madial wall of resilient sleeve compresses the lock piece after the connection-peg inserts the socket joint sleeve and slides to the accommodating cavity With the connection-peg that locks.

2. according to claim 1 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the surface of the connection-peg is set There is the annular groove being disposed radially, the annular groove matches with the lock piece.

3. according to claim 1 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the lock piece is spherical.

4. according to claim 3 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the inner side of the resilient sleeve The arc that wall is recessed to the side away from the accommodating cylinder compresses face, and the arc compresses face pressure and is butted on the lock piece.

5. according to claim 1 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the resilient sleeve includes：

The sleeve body of the accommodating cylinder is sheathed on, toroidal cavity is formed between the sleeve body and the accommodating cylinder；With And

It is placed in the toroidal cavity and first elasticity at the second end of the accommodating cylinder is slided to even with sleeve body described in contact Fitting.

6. according to claim 5 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the inner side of the sleeve body Wall is provided with the first annular projection being disposed radially, and the lateral wall of the accommodating cylinder is provided with the second annular being disposed radially Projection, the ring is formed between the side of remote first opening of the first annular projection and second annular projection Shape cavity.

7. according to claim 1 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that also including the socket joint sleeve The accommodating cylinder is resiliently attached to by the second Flexible Connector.

8. according to claim 1 pair of self-locking reinforcing bar quick-plugging connector device, it is characterised in that the barrel of the accommodating cylinder Inner side is provided with the spacing block set for being used for preventing that the socket joint sleeve from slipping.