CN217128298U

CN217128298U - Double-end-thread tensile foundation bolt

Info

Publication number: CN217128298U
Application number: CN202220487115.8U
Authority: CN
Inventors: 王涛
Original assignee: Jiangsu Hengkang Power Technology Co ltd
Current assignee: Jiangsu Hengkang Power Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-08-05
Anticipated expiration: 2032-03-08

Abstract

The utility model relates to a rag bolt technical field just discloses a double-end silk tensile rag bolt, including last post, the bottom of going up the post encircles a plurality of bracing pieces of fixedly connected with, the bottom fixedly connected with lower column casing of bracing piece, the top inner wall of going up the post rotates and is connected with the screw rod, the screw rod is located the pole wall fixedly connected with rectangle piece of bracing piece, the bottom pole wall of screw rod runs through the below that lower column casing extended to lower column casing, the bottom inner wall of lower column casing is seted up flutedly, threaded connection has first slider on the pole wall of screw rod, the cavity has been seted up to the inner wall of first slider, first slider is located the first spring of the inner wall fixedly connected with of cavity. The utility model discloses can improve rag bolt's tensile strength, the installation of being convenient for, and can carry out stable protection to rag bolt.

Description

Double-end-thread tensile foundation bolt

Technical Field

The utility model relates to a rag bolt technical field especially relates to a double-end silk tensile rag bolt.

Background

The anchor bolt is a tool which is buried in the ground or a foundation and connects the ground or the foundation and machine equipment. The burying depth and the hook are both used for ensuring the friction force between the bolt and the foundation so as not to pull out and damage the bolt. The anchor bolt has the function of fixing equipment without strong vibration and impact and the like.

Among the prior art, in rag bolt's use, rag bolt's tensile strength is relatively poor, and generally only sets up the screw thread in one end, is not convenient for carry out subsequent installation to the work piece, and rag bolt one end extends to the ground outside simultaneously, bumps easily, produces the damage. Therefore, the utility model discloses a double-end silk tensile rag bolt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that rag bolt's tensile strength is relatively poor, one end sets up the follow-up installation of being not convenient for of screw thread, and the bolt that is located upside in ground one end does not have the problem of better protection, and the double-end silk tensile rag bolt who provides.

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

the utility model provides a double-end silk tensile rag bolt, includes the upper prop pole, a plurality of bracing pieces of fixedly connected with are encircleed to the bottom of upper prop pole, the bottom fixedly connected with lower prop section of thick bamboo of bracing piece, the top inner wall of upper prop pole rotates and is connected with the screw rod, the screw rod is located the pole wall fixedly connected with rectangular block of bracing piece, the bottom pole wall of screw rod runs through the below that lower prop section of thick bamboo extends to lower prop section of thick bamboo, the bottom inner wall of lower prop section of thick bamboo is seted up flutedly, threaded connection has first slider on the pole wall of screw rod, the cavity has been seted up to the inner wall of first slider, first slider is located the first spring of the inner wall fixedly connected with of cavity, the right-hand member fixedly connected with stopper of first spring, the lateral wall of stopper is pasted tightly with the inner wall of recess and is set up, the lateral wall of lower prop section of thick bamboo is provided with extension mechanism.

Preferably, the first slider is located the inner wall fixedly connected with annular plate of cavity, the first baffle of junction fixedly connected with of first spring and stopper, the lateral wall of stopper slides and sets up the inner wall at annular plate.

Preferably, the bottom end of the screw rod is fixedly connected with a fixing plate.

Preferably, the extension mechanism comprises a threaded ring, a connecting rod, a shell, a second slider, a conical plate and a second spring, the threaded ring is connected to the wall of the lower column casing in a threaded manner, the connecting rod is fixedly connected to the side wall of the threaded ring, the shell is fixedly connected to the bottom end of the connecting rod, the second slider is slidably connected to the inner wall of the shell, the conical plate is fixedly connected to the side wall of the right end of the second slider, and the left end of the second slider is fixedly connected to the second spring.

Preferably, the left end of the second spring is fixedly connected to the side wall of the second baffle, a through hole is formed in the second baffle, the side wall of the left end of the second slider is fixedly connected with a pull rope, and the other end of the pull rope is fixedly connected to the inner wall of the shell.

Preferably, the right end side wall of the limiting block is inserted into the inner wall of the shell, the side wall of the limiting block is fixedly connected with a blade, and the blade is in contact with the pull rope.

Preferably, the wall of the upper column rod is provided with threads, and the wall of the upper column rod is in threaded connection with a protective shell.

Compared with the prior art, the utility model provides a double-end silk tensile rag bolt possesses following beneficial effect:

1. this double-end silk tensile rag bolt rotates through the lateral wall with spanner instrument joint on the rectangular block, drives the screw rod and rotates for first slider slides along the inner wall of recess, and first slider extends to the outside of lower column casing, and first spring can drive the outside that the stopper extends to first slider, thereby can tighten the soil of lower column casing bottom.

2. This double-end silk tensile rag bolt can keep the stability of casing through the connecting rod, and the second spring promotes the second slider and slides, drives the tapered plate and extends to the outside of casing, and the right side of tapered plate sets up to the toper, can reduce the resistance inside soil to increase rag bolt horizontal area, further improvement rag bolt's tensile properties.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can improve rag bolt's tensile ability, the installation of being convenient for, and can carry out stable protection to rag bolt.

Drawings

Fig. 1 is a schematic structural view of a double-ended tensile anchor bolt provided by the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

fig. 3 is an enlarged schematic view of a part B in fig. 1.

In the figure: 1 upper column rod, 2 lower column rod, 3 support column, 4 screw rod, 5 rectangular block, 6 first slide block, 7 first spring, 8 limiting block, 9 annular plate, 10 first baffle, 11 fixing plate, 12 threaded ring, 13 connecting rod, 14 shell, 15 second slide block, 16 conical plate, 17 second spring, 18 second baffle, 19 stay cord, 20 protective shell, 21 blade.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-2, a double-end tensile anchor bolt, including upper prop rod 1, a plurality of bracing pieces 3 of fixedly connected with are encircleed to the bottom of upper prop rod 1, the bottom fixedly connected with lower shaft 2 of bracing piece 3, the top inner wall of upper prop rod 1 rotates and is connected with screw rod 4, screw rod 4 is located the pole wall fixedly connected with rectangular block 5 of bracing piece 3, the bottom pole wall of screw rod 4 runs through lower shaft 2 and extends to the below of lower shaft 2, the bottom inner wall of lower shaft 2 is seted up flutedly, threaded connection has first slider 6 on the pole wall of screw rod 4, the cavity has been seted up to the inner wall of first slider 6, first slider 6 is located the first spring 7 of inner wall fixedly connected with of cavity, the right-hand member fixedly connected with stopper 8 of first spring 7, the right-hand member lateral wall of stopper 8 pastes tightly the setting with the inner wall of recess.

During the use, through rotating spanner tool joint on the lateral wall of rectangle piece 5, thereby drive screw rod 4 and rotate, make first slider 6 slide along the inner wall of recess, make first slider 6 extend to the outside of lower column casing 2, can drive stopper 8 through first spring 7 and extend to the outside of first slider 6, thereby can tighten the soil of lower column casing 2 bottom, stopper 8's length can extend to the right side of lower column casing 2 simultaneously, thereby can improve the tensile strength of lower column casing 2 in ground inside.

Example two

Referring to fig. 1-3, the side wall of the lower column casing 2 is provided with an extension mechanism, the extension mechanism comprises a threaded ring 12, a connecting rod 13, a housing 14, a second slider 15, a tapered plate 16 and a second spring 17, the threaded ring 12 is in threaded connection with the wall of the lower column casing 2, the connecting rod 13 is fixedly connected with the side wall of the threaded ring 12, the housing 14 is fixedly connected with the bottom end of the connecting rod 13, the second slider 15 is in sliding connection with the inner wall of the housing 14, the tapered plate 16 is fixedly connected with the side wall of the right end of the second slider 15, and the left end of the second slider 15 is fixedly connected with the second spring 17.

Threaded ring 12 can be threaded connection on the section of thick bamboo wall of column casing 2 down, then can keep the stability of casing 14 through connecting rod 13, promote second slider 15 through second spring 17 and slide to can drive conical plate 16 and extend to the outside of casing 14, conical plate 16's right side sets up to the toper, can reduce the resistance in soil inside, thereby increase the horizontal area of rag bolt, further improvement rag bolt's tensile strength.

EXAMPLE III

Referring to fig. 1-3, the first slider 6 is located the inner wall fixedly connected with annular plate 9 of cavity, the first baffle 10 of the junction fixedly connected with of first spring 7 and stopper 8, the lateral wall of stopper 8 slides and sets up at the inner wall of annular plate 9, the bottom fixedly connected with fixed plate 11 of screw rod 4, be provided with the screw thread on the pole wall of upper mast pole 1, threaded connection has protecting crust 20 on the pole wall of upper mast pole 1.

Can make stopper 8 remain throughout in the inside that first slider 5 is located the cavity through first baffle 10, prevent that stopper 8 from extending to the outside of first slider 6, can play good protection effect to the pole wall of upper prop pole 1 through protecting crust 20.

Example four

Referring to fig. 1-3, the left end of the second spring 17 is fixedly connected to the side wall of the second baffle 18, a through hole is formed in the second baffle 18, the side wall of the left end of the second slider 15 is fixedly connected with a pull rope 19, the other end of the pull rope 19 is fixedly connected to the inner wall of the housing 14, the side wall of the right end of the limiting block 8 is inserted into the inner wall of the housing 14, the side wall of the limiting block 8 is fixedly connected with a blade 21, and the blade 21 is in contact with the pull rope 19.

The stay cord 19 can stimulate the second slider 15 to slide along the inner wall of casing 14, drive the compression of second spring 17, then with the other end fixed connection of stay cord 19 at the inner wall of casing 14, can be inserted to the inside of casing 14 with the situation when stopper 8 extends to the outside of lower column casing 2, the blade 21 that is located the stopper 8 lateral wall can cut off the rope body of stay cord 19 under the pressure of first spring 7, thereby can make second spring 15 reset, make the conical plate 16 extend to the outside of casing 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a double-end silk tensile rag bolt, includes upper prop pole (1), its characterized in that: the bottom end of the upper column rod (1) is fixedly connected with a plurality of supporting rods (3) in a surrounding manner, the bottom ends of the supporting rods (3) are fixedly connected with a lower column casing (2), the inner wall of the top end of the upper column rod (1) is rotatably connected with a screw rod (4), the screw rod (4) is positioned on the rod wall of the supporting rods (3) and is fixedly connected with a rectangular block (5), the rod wall of the bottom end of the screw rod (4) penetrates through the lower column casing (2) and extends to the lower portion of the lower column casing (2), the inner wall of the bottom end of the lower column casing (2) is provided with a groove, the rod wall of the screw rod (4) is in threaded connection with a first sliding block (6), the inner wall of the first sliding block (6) is provided with a cavity, the first sliding block (6) is positioned on the inner wall of the cavity and is fixedly connected with a first spring (7), the right end of the first spring (7) is fixedly connected with a limiting block (8), and the side wall of the right end of the limiting block (8) is tightly attached to the inner wall of the groove, and an extension mechanism is arranged on the side wall of the lower column casing (2).

2. The double-ended tensile anchor bolt of claim 1, wherein: first slider (6) are located the inner wall fixedly connected with annular plate (9) of cavity, the junction fixedly connected with first baffle (10) of first spring (7) and stopper (8), the lateral wall of stopper (8) slides and sets up the inner wall at annular plate (9).

3. The double-ended tensile anchor bolt of claim 1, wherein: the bottom end of the screw rod (4) is fixedly connected with a fixing plate (11).

4. The double-ended tensile anchor bolt of claim 1, wherein: the extension mechanism comprises a threaded ring (12), a connecting rod (13), a shell (14), a second slider (15), a conical plate (16) and a second spring (17), wherein the threaded ring (12) is in threaded connection with the cylinder wall of the lower column cylinder (2), the connecting rod (13) is fixedly connected to the side wall of the threaded ring (12), the shell (14) is fixedly connected to the bottom end of the connecting rod (13), the second slider (15) is in sliding connection with the inner wall of the shell (14), the conical plate (16) is fixedly connected to the side wall of the right end of the second slider (15), and the left end of the second slider (15) is fixedly connected with the second spring (17).

5. The double-ended tensile anchor bolt according to claim 4, wherein the left end of the second spring (17) is fixedly connected to the side wall of a second baffle plate (18), a through hole is formed in the second baffle plate (18), the side wall of the left end of the second sliding block (15) is fixedly connected with a pull rope (19), and the other end of the pull rope (19) is fixedly connected to the inner wall of the shell (14).

6. The double-ended tensile anchor bolt of claim 4, wherein: the right end side wall of the limiting block (8) is inserted into the inner wall of the shell (14), a blade (21) is fixedly connected to the side wall of the limiting block (8), and the blade (21) is in contact with the pull rope (19).

7. The double-ended tensile anchor bolt according to claim 1, wherein: the wall of the upper column rod (1) is provided with threads, and the wall of the upper column rod (1) is in threaded connection with a protective shell (20).