CN213837761U

CN213837761U - Construction pull rod device

Info

Publication number: CN213837761U
Application number: CN202022784409.0U
Authority: CN
Inventors: 朱旭美
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-30
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a construction pull rod device, including the threaded rod, the relative both ends outer wall middle part of threaded rod is provided with the external screw thread, the equal threaded connection in external screw thread upper portion has the baffle, the equal fixedly connected with fixed block in external screw thread one side both ends is kept away from mutually to the threaded rod, four fixed block middle parts all rotate and are connected with first center pin, the fixed block all rotates through first center pin and is connected with down the telescopic link, the equal buckle of first center pin one end is kept away from to lower telescopic link is connected with the telescopic link, go up telescopic link and keep away from down telescopic link one end swing joint have the second center pin, it is connected with the fixed plate to go up the telescopic link through the rotation of second center pin, beneficial effect is: through the detachable connection of the reserved rod and the external thread, the pull rod device can be taken out through the external thread after concrete is solidified, so that the purpose of conveniently pulling out the pull rod is achieved; through the fixed plate connection baffle on the upper telescopic rod, the lower telescopic rod connection threaded rod forms a triangle-shaped stable structure, reaches the purpose that the stable top does not receive tension to influence.

Description

Construction pull rod device

Technical Field

The utility model relates to a pull rod device, in particular to construction pull rod device belongs to construction technical field.

Background

The pull rod is a rod-shaped device which is arranged on a building template and plays a role in stable traction, is an important device for stabilizing the template, has good stability and low manufacturing cost, is widely applied to building construction, and consists of a pull rod one end gasket and a nut of which the other end is in threaded connection.

Due to the special connection property of the traditional pull rod, when concrete is poured into the formwork and solidified, the pull rod is difficult to pull out, and meanwhile, when a single pull rod meets the concrete pouring, the bottom end of the pull rod just stabilizes and the top end of the pull rod possibly expands due to tension, so that the stabilizing effect of the pull rod is affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the defects of the prior art and providing a building construction pull rod device, because the reserved rod is detachably connected with the external thread, the pull rod device can be taken out through the external thread after the concrete is solidified, so that the pull rod can be conveniently pulled out; go up the fixed plate connection baffle on the telescopic link, lower telescopic link connecting thread pole forms a triangle-shaped stable structure, can stabilize the top and do not receive tensile influence.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a construction pull rod device, including the threaded rod, the relative both ends outer wall middle part of threaded rod is provided with the external screw thread, the equal threaded connection in external screw thread upper portion has the baffle, all set up porosely in the baffle, the threaded rod clearing hole runs through the baffle, the threaded rod is kept away from the equal fixedly connected with fixed block in external screw thread one side both ends mutually, four the fixed block middle part is all rotated and is connected with first center pin, the fixed block all rotates through first center pin and is connected with down telescopic link, down telescopic link keeps away from the equal buckle in first center pin one end and is connected with the telescopic link, go up the telescopic link and keep away from down telescopic link one end swing joint have the second center pin, it is connected with the fixed plate to go up the telescopic link through the rotation of second center pin.

As an optimal technical scheme of the utility model, two external screw thread outer wall threaded connection has the reservation pole.

As a preferred technical scheme of the utility model, the telescopic link keeps away from threaded rod one end down and all is provided with a plurality of spacing holes, it is close to telescopic link one end inner wall fixedly connected with spring down to go up the telescopic link, threaded rod one end fixedly connected with stopper is kept away from to the spring, the spacing hole of stopper swing joint.

As a preferred technical scheme of the utility model, the relative both sides of fixed plate all run through threaded connection and have the bolt, the both sides outer wall that the baffle was kept away from each other is provided with the screw, the bolt passes through the equal threaded connection baffle of screw.

As a preferred technical scheme of the utility model, the threaded rod is kept away from equal welded connection in external screw thread one end middle part mutually and is had the handle.

The utility model discloses the beneficial effect who reaches is: through the detachable connection of the reserved rod and the external thread, the pull rod device can be taken out through the external thread after concrete is solidified, so that the purpose of conveniently pulling out the pull rod is achieved; through the fixed plate connection baffle on the upper telescopic rod, the lower telescopic rod connection threaded rod forms a triangle-shaped stable structure, reaches the purpose that the stable top does not receive tension to influence.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a front view of the device of the present invention;

fig. 2 is an enlarged schematic view of the structure at a of the present invention;

fig. 3 is a schematic view of the connection structure of the upper telescopic rod and the lower telescopic rod of the present invention.

In the figure: 1. a threaded rod; 2. an external thread; 3. reserving a rod; 4. a baffle plate; 5. a fixed block; 6. a first central shaft; 7. a lower telescopic rod; 8. a limiting hole; 9. an upper telescopic rod; 10. a spring; 11. a limiting block; 12. a second central shaft; 13. a fixing plate; 14. a bolt; 15. a screw hole; 16. an aperture; 17. a handle.

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 (b): as shown in fig. 1-3, the utility model relates to a construction pull rod device, including threaded rod 1, threaded rod 1 relative both ends outer wall middle part is provided with external screw thread 2, the equal threaded connection in 2 upper portions of external screw thread has baffle 4, all set up porose 16 in the baffle 4, threaded rod 1 passes through baffle 4 through 16 holes, threaded rod 1 keeps away from the equal fixedly connected with fixed block 5 in 2 one side both ends of external screw thread mutually, four fixed block 5 middle parts are all rotated and are connected with first center pin 6, fixed block 5 all rotates through first center pin 6 and is connected with down telescopic link 7, lower telescopic link 7 keeps away from the equal buckle in 6 one end of first center pin and is connected with telescopic link 9, upper telescopic link 9 keeps away from down telescopic link 7 one end swing joint has second center pin 12, upper telescopic link 9 rotates through second center pin 12 and is connected with fixed plate 13.

Two 2 outer wall threaded connections of external screw thread have reserve pole 3, make things convenient for the concrete to take out draw-bar device when solidifying, 1 one end of threaded rod is kept away from mutually to telescopic link 7 down all is provided with a plurality of spacing holes 8, it is close to 7 one end inner wall fixedly connected with springs 10 of telescopic link down to go up

telescopic link

9, 1 one end fixedly connected with stopper 11 of threaded rod is kept away from to springs 10, stopper 11 swing joint spacing hole 8, make things convenient for the telescopic link not to be packed up in the time spent, the relative both sides of fixed plate 13 all run through threaded connection has bolt 14, the both sides outer wall that baffle 4 kept away from each other is provided with screw 15, bolt 14 passes through 15 equal threaded connection baffle 4 of screw, make things convenient for fixed baffle 4 and fixed plate 13, threaded rod 1 keeps away from 2 one end middle part equal welded connection of external screw thread and has handle 17 mutually, make things convenient for rotating threaded rod 1.

Specifically, during the use of the utility model, change over to threaded rod 1 with baffle 4, support building templates and will reserve pole 3 this moment and put into the template, change over to reserve pole 3 fixed reservation pole 3 in through external screw thread 2, will go up telescopic link 9 this moment and make stopper 11 fall into suitable spacing hole 8 according to the high tensile of baffle 4, support baffle 4 with fixed plate 13, run through bolt 14 into baffle 4 through screw 15, it is fixed with baffle 4 and fixed plate 13, after concrete placement finishes solidifying, pull handle 17 and take out threaded rod 1 like two directions rotations, reserve pole 3 in the concrete, take off bolt 14 simultaneously, make baffle 4 and fixed plate 13 separate, press stopper 11 through spring 10 and will go up telescopic link 9 contractions and place.

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 building construction pull rod device is characterized by comprising a threaded rod (1), wherein external threads (2) are arranged in the middle of the outer wall of the opposite two ends of the threaded rod (1), baffles (4) are in threaded connection with the upper portions of the external threads (2), holes (16) are formed in the baffles (4), the baffles (4) are penetrated through the holes (16) of the threaded rod (1), fixed blocks (5) are fixedly connected with the two ends of one side, away from the external threads (2), of the threaded rod (1), four fixed blocks (5) are connected with a first central shaft (6) in the middle in a rotating mode, lower telescopic rods (7) are connected with lower telescopic rods (7) in a rotating mode through the first central shaft (6), one ends, away from the first central shaft (6), of the lower telescopic rods (7) are connected with upper telescopic rods (9) in a buckling mode, one ends, away from the lower telescopic rods (7), of the upper telescopic rods (9) are movably connected with second central shafts (12), the upper telescopic rod (9) is rotatably connected with a fixing plate (13) through a second central shaft (12).

2. The construction tie rod device according to claim 1, wherein the outer wall of the two external threads (2) is connected with a reserve rod (3) in a threaded manner.

3. The building construction pull rod device according to claim 1, wherein a plurality of limiting holes (8) are formed in one end, away from the threaded rod (1), of the lower telescopic rod (7), the inner wall of one end, close to the lower telescopic rod (7), of the upper telescopic rod (9) is fixedly connected with a spring (10), one end, away from the threaded rod (1), of the spring (10) is fixedly connected with a limiting block (11), and the limiting block (11) is movably connected with the limiting holes (8).

4. The construction draw bar device according to claim 3, wherein bolts (14) are connected to two opposite sides of the fixing plate (13) through threads, screw holes (15) are formed in the outer walls of two sides of the baffle plate (4) far away from each other, and the bolts (14) are connected to the baffle plate (4) through the screw holes (15) through threads.

5. The construction draw bar device according to claim 2, wherein a handle (17) is welded to the middle of one end of the threaded rod (1) away from the external thread (2).