CN219219560U - Improved conical steel bar connector for building - Google Patents

Abstract

The utility model discloses an improved conical steel bar connector for a building, which comprises a shell, wherein a cavity is formed in the shell, a bidirectional screw rod is rotatably connected in the cavity, two support plates are connected to the bidirectional screw rod in a threaded manner, the two support plates are both in sliding connection with the cavity, and support columns are fixedly connected to the two support plates. The utility model relates to the technical field of constructional engineering, and the two-way screw rod is arranged, so that the rotation of the two screw rods can be regulated and controlled under the transmission of a worm and a worm wheel, two support plates are mutually close to or far away from each other, further, two conical thread jackets are mutually close to or far away from each other, the distance adjustment of the two conical thread jackets is realized, the expansion helix angle of the worm and the thread lift angle of the two-way screw rod are designed, the self-locking of the worm and the worm wheel can be realized, and the self-locking of the two-way screw rod and the support plates can be realized, so that the double self-locking of the device is realized, the complexity of manual locking is avoided, and the stability of the integral structure of the device is improved.

Description

Improved conical steel bar connector for building

Technical Field

The utility model belongs to the technical field of constructional engineering, and particularly relates to an improved conical steel bar connector for construction.

Background

The reinforcing steel bar is a building material commonly used in building engineering, in the process of building construction, two reinforcing steel bars are often required to be butted, two reinforcing steel bars are generally connected through a reinforcing steel bar connector, the conical reinforcing steel bar connector is one of the reinforcing steel bar connectors, the reinforcing steel bars to be connected are respectively inserted into corresponding conical threaded jackets through conical threaded jackets arranged on two sides of a shell, then the conical threaded jackets are in threaded butt joint with the conical threaded jackets, the conical threaded jackets deform, the conical threaded jackets clamp the reinforcing steel bars, and stable connection of the two reinforcing steel bars is achieved.

However, the tapered thread jacket on the conventional tapered reinforcement connector is usually welded on the housing, which makes the interval between the two tapered thread jackets not adjustable, and when the length of the abutted reinforcement has an error of several centimeters, the reinforcement can only be cut or welded to increase so as to adjust the overall length of the reinforcement, which brings inconvenience to the connection process of the reinforcement.

To this end, we propose an improved taper bar connector for construction to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems and provides an improved conical steel bar connector for construction.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a conical steel bar connector for building improvement, includes the casing, the cavity has been seted up on the casing, rotate in the cavity and be connected with two-way lead screw, and threaded connection has two backup pads on the two-way lead screw, two the backup pad all with cavity sliding connection, and equal fixedly connected with support column in two backup pads, the one end that the backup pad was kept away from to the support column runs through the cavity and fixedly connected with toper screw thread presss from both sides the cover, the rotation is connected with the worm in the cavity, the worm wheel has been cup jointed on the two-way lead screw, and worm wheel and worm mesh mutually.

Preferably, the support column is fixedly connected with a buffer plate, and the buffer plate is fixedly connected with the corresponding support plate through a plurality of elastic sheets.

Preferably, the housing is provided with a storage groove, and one end of the worm extends into the storage groove and is sleeved with a knob.

Preferably, a threaded cover is connected in the accommodating groove in a threaded manner, and a force application block is fixedly connected on the threaded cover.

Preferably, the shell is fixedly connected with a plurality of fixing blocks, and the fixing blocks are provided with mounting holes.

Preferably, the expansion helix angle of the worm is smaller than the friction angle between the worm and the worm wheel, and the thread lead angle of the bidirectional screw is smaller than the equivalent friction angle.

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

1. through the bidirectional screw that sets up, can be under the transmission of worm and worm wheel, regulate and control double screw rotates for two backup pads are close to each other or keep away from, and then make two toper screw jacket be close to each other or keep away from, realize the interval adjustment of two toper screw jackets, and the design of the expansion helix angle of worm and the screw lift angle of bidirectional screw, can make worm and worm wheel auto-lock, and bidirectional screw and backup pad auto-lock, make the device can realize double auto-lock, both avoided the loaded down with trivial details of manual locking, improved device overall structure's steadiness again.

2. Through the cooperation of the buffer board and the shell fragment that set up, can cushion the protection to the backup pad, avoid the reinforcing bar to exert support the power too big, damage the backup pad, through the knob that sets up, convenient to use person controls the worm and rotates, can accomodate the knob through the storage tank that sets up, the setting of screw cap for later stage can carry out airtight protection to the knob.

Drawings

Fig. 1 is a schematic view showing the overall structure of an improved taper-type reinforcing bar coupler for construction according to the present utility model;

fig. 2 is a schematic front perspective view of an improved conical steel bar connector for construction according to the present utility model;

fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

In the figure: 1 a shell, 2 a cavity, 3 a bidirectional screw rod, 4 a supporting plate, 5 a supporting column, 6 a conical threaded jacket, 7 a worm, 8 a worm wheel, 9 a buffer plate, 10 a spring plate, 11 a storage groove, 12 a knob, 13 a threaded cover, 14 a force application block, 15 a fixing block and 16 a mounting hole.

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.

Referring to fig. 1-3, an improved conical steel bar connector for construction comprises a housing 1, a plurality of fixed blocks 15 are fixedly connected to the housing 1, mounting holes 16 are formed in the fixed blocks 15, the fixed blocks 15 and the mounting holes 16 are matched, the housing 1 is conveniently fixed on a construction base body through bolts after the steel bars are connected, a cavity 2 is formed in the housing 1, a bidirectional screw 3 is rotationally connected to the cavity 2, two support plates 4 are connected to the bidirectional screw 3 in a threaded manner, the two support plates 4 are in sliding connection with the cavity 2, support columns 5 are fixedly connected to the two support plates 4, a buffer plate 9 is fixedly connected to the support columns 5, the buffer plate 9 is fixedly connected to the corresponding support plates 4 through a plurality of elastic pieces 10, and the elastic force exerted by the steel bars can be counteracted by the elastic force of the elastic pieces 10 through the cooperation of the set buffer plate 9 and the elastic pieces 10, so that the support plates 4 are subjected to buffer protection.

The one end that backup pad 4 was kept away from to the support column 5 runs through cavity 2 and fixedly connected with toper screw jacket 6, the rotation is connected with worm 7 in cavity 2, worm wheel 8 has been cup jointed on the bi-directional lead screw 3, and worm wheel 8 meshes with worm 7 mutually, storage tank 11 has been seted up on the casing 1, and the one end of worm 7 extends to storage tank 11 and cup joints knob 12, the setting of knob 12, the user regulates and control worm 7 rotation of being convenient for, storage tank 11 can accomodate the protection to knob 12, threaded connection has screw cap 13 in storage tank 11, and fixedly connected with forcing block 14 on the screw cap 13, screw cap 13's setting can make later stage knob 12 obtain closed protection, forcing block 14's setting, the user of being convenient for twists screw cap 13, the expansion helix angle of worm 7 is less than the friction angle between worm 7 and worm wheel 8, bi-directional lead screw 3's thread lead angle is less than equivalent friction angle, and the expansion helix angle design of worm 7, and bi-directional lead screw 3's thread lead angle can make the device realize dual auto-lock, both avoided the loaded down with trivial details of manual locking, again can improve the steadiness of device overall structure.

The principle of operation of the present utility model will now be described as follows:

when the device is used, firstly, two reinforcing bars inserted with the conical thread sleeves are respectively inserted into the corresponding conical thread jackets 6, the reinforcing bars are abutted against the conical thread jackets 6, then, the conical thread sleeves are screwed, the conical thread sleeves are in threaded butt joint with the conical thread jackets 6, after the conical thread jackets 6 are in butt joint, deformation occurs, the conical thread jackets 6 can clamp the reinforcing bars, after the two reinforcing bars are firmly connected, the knob 12 is rotated, the worm 7 is driven to rotate by the knob 12, the worm 7 can drive the bidirectional screw 3 to rotate under the transmission of the worm wheel 8, the two supporting plates 4 can be driven to be close to or far away from each other by the bidirectional screw 3 in the rotating process, the two supporting plates 4 can further drive the two conical thread jackets 6 to be close to or far away from each other by the corresponding supporting columns 5, the two conical thread jackets 6 can drive the two reinforcing bars to be far away from or close to each other, when the total length of the connected reinforcing bars reaches the required length, the knob 12 is stopped, the screw cap 13 is screwed, and the storage groove 11 is closed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a conical steel bar connector for building improvement, includes casing (1), its characterized in that, cavity (2) have been seted up on casing (1), the rotation of cavity (2) is connected with two-way lead screw (3), and threaded connection has two backup pads (4) on two-way lead screw (3) backup pad (4) all with cavity (2) sliding connection, and on two backup pads (4) all fixedly connected with support column (5), cavity (2) and fixedly connected with toper screw jacket (6) are run through to one end that backup pad (4) were kept away from to support column (5), the rotation of cavity (2) is connected with worm (7), worm wheel (8) have been cup jointed on two-way lead screw (3), and worm wheel (8) and worm (7) mesh mutually.

2. The improved conical steel bar connector for construction according to claim 1, wherein a buffer plate (9) is fixedly connected to the support column (5), and the buffer plate (9) is fixedly connected to the corresponding support plate (4) through a plurality of elastic sheets (10).

3. The improved conical steel bar connector for construction according to claim 1, wherein the housing (1) is provided with a receiving groove (11), and one end of the worm (7) extends into the receiving groove (11) and is sleeved with a knob (12).

4. An improved taper steel bar coupler for construction according to claim 3, wherein the receiving groove (11) is screw-coupled with a screw cap (13), and the screw cap (13) is fixedly coupled with a force application block (14).

5. The improved conical steel bar connector for construction according to claim 1, wherein a plurality of fixing blocks (15) are fixedly connected to the housing (1), and mounting holes (16) are formed in the fixing blocks (15).

6. An improved taper bar coupler for construction according to claim 1, wherein the expansion helix angle of the worm (7) is smaller than the friction angle between the worm (7) and the worm wheel (8), and the lead angle of the bi-directional screw (3) is smaller than the equivalent friction angle.

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