CN219060901U

CN219060901U - Water stop pull rod

Info

Publication number: CN219060901U
Application number: CN202223160446.XU
Authority: CN
Inventors: 鄢来军; 沈鸿飞; 孟海洋; 吴阳; 李健
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-05-23
Anticipated expiration: 2032-11-28

Abstract

The utility model provides a water-stopping pull rod, which comprises an inner rod and an outer rod, wherein a water-stopping plate is fixedly arranged in the middle of the inner rod, an external thread structure is arranged at the end part of the inner rod, an external hexagonal nut is connected with the end part of the inner rod in a threaded manner, a connecting piece is rotatably arranged on the outer side of the external hexagonal nut, a retainer ring corresponding to one end, close to the water-stopping plate, of the connecting piece is arranged on the inner rod, and a mountain-shaped clamp and a fixing nut are sleeved on the outer rod; according to the utility model, the end part of the connecting piece is abutted against one side of the retainer ring, one end, close to the wall, of the connecting piece is sealed, and concrete slurry can be prevented from entering the inner part of the outer hexagonal nut during pouring, so that the connection strength between the outer hexagonal nut and the inner rod is not greatly changed after concrete is solidified, the connecting piece can be easily detached, and the convenience of construction is improved.

Description

Water stop pull rod

Technical Field

The utility model belongs to the technical field of template components, and particularly relates to a water stop pull rod.

Background

The water stop pull rod is generally used in the process of wall casting construction, and plays a role in fixing the template and controlling the casting thickness of the concrete wall.

In the prior art, for example, the Chinese patent publication No. CN217460973U discloses a water stop screw, wherein a connecting piece is in threaded connection with an inner rod, in the pouring process, concrete slurry enters a gap between the connecting piece and the inner rod, after solidification, the connection strength between the connecting piece and the inner rod is improved, and when a mold is removed, a large force is required to remove the connecting piece, and a little is even difficult to remove, and an air hammer is required to be used for picking and chiseling.

Therefore, a water stop pull rod which is convenient to disassemble and convenient to construct needs to be designed to solve the technical problem faced at present.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the water stop pull rod which is convenient to detach and improves the convenience of construction.

The technical scheme of the utility model is as follows: the water stop pull rod comprises an inner rod and an outer rod, a water stop plate is fixedly arranged in the middle of the inner rod, an external thread structure is arranged at the end part of the inner rod, an external hexagonal nut is connected with the end part of the inner rod in a threaded manner, a connecting piece is arranged on the outer side of the external hexagonal nut in a rotating manner, a check ring corresponding to one end of the water stop plate is arranged on the inner rod, and a mountain-shaped clamp and a fixing nut are sleeved on the outer rod.

And an annular groove is formed in one side, close to the check ring, of the connecting piece, and a sealing ring is assembled in the annular groove.

The connecting piece is characterized in that a first internal thread pipe is fixedly arranged at one end, close to the connecting piece, of the external hexagonal nut, a swivel is fixedly arranged at the outer side of one end, deviating from the external hexagonal nut, of the first internal thread pipe, a swivel matched with the swivel is arranged at the inner side of the connecting piece, and the swivel is rotationally assembled in the swivel.

And a second internal thread pipe is fixedly arranged at one end, deviating from the connecting piece, of the check ring, and the second internal thread pipe is assembled at the end part of the inner rod.

And the check ring is welded and fixed on the outer side of the inner rod.

The water stop plate is characterized in that water stop convex rings are uniformly arranged on two sides of the water stop plate, and the water stop convex rings and the water stop plate are connected into an integrated structure.

The utility model has the beneficial effects that: according to the utility model, the end part of the connecting piece is abutted against one side of the retainer ring, one end, close to the wall, of the connecting piece is sealed, and concrete slurry can be prevented from entering the inner part of the outer hexagonal nut during pouring, so that the connection strength between the outer hexagonal nut and the inner rod is not greatly changed after concrete is solidified, the connecting piece can be easily detached, and the convenience of construction is improved.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a water stop pull rod according to the present utility model.

Fig. 2 is a partial enlarged view at a in fig. 1.

Fig. 3 is a schematic structural view of another embodiment of the water stop tie rod according to the present utility model.

Fig. 4 is a partial enlarged view at B in fig. 3.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative, and is in no way intended to limit the utility model, its application, or uses. The present utility model may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

The terms "first," "second," and the like, as used herein do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

As shown in fig. 1 and 3, the water-stopping pull rod comprises an inner rod 1 and an outer rod 5, a water-stopping plate 2 is fixedly arranged in the middle of the inner rod 1, an external thread structure is arranged at the end part of the inner rod 1, an external hexagonal nut 4 is connected with the end part of the inner rod 1 in a threaded manner, a connecting piece 3 is rotatably arranged at the outer side of the external hexagonal nut 4, a check ring 8 corresponding to one end, close to the water-stopping plate 2, of the connecting piece 3 is arranged on the inner rod 1, and a mountain-shaped clamp 6 and a fixing nut 7 are sleeved on the outer rod 5; in this embodiment, the end of the connecting piece 3 abuts against one side of the retainer ring 8, and seals one end of the connecting piece 3 close to the wall, so that concrete slurry can be prevented from entering the interior of the outer hexagonal nut 4 during pouring, and therefore the connection strength between the outer hexagonal nut 4 and the inner rod 1 after concrete is solidified is not greatly changed, the connecting piece 3 can be easily detached, and convenience of construction is improved; when the connecting piece 3 is dismounted, the outer hexagonal nut 4 is screwed, the outer hexagonal nut 4 moves along the axial direction of the inner rod 1, and meanwhile, the connecting piece 3 is driven to move along the axial direction of the inner rod 1, so that the connecting piece 3 can be dismounted from the inner rod 1.

In some embodiments, as shown in fig. 2 and 4, a ring groove 33 is formed on one side, close to the retainer ring 8, of the connecting piece 3, and a sealing ring 32 is assembled in the ring groove 33, so that the sealing effect between the connecting piece 3 and the retainer ring 8 can be further improved through the sealing ring 32, and slurry is prevented from penetrating.

In some embodiments, a first internal thread pipe 41 is fixedly arranged at one end, close to the connecting piece 3, of the external hexagonal nut 4, the first internal thread pipe 41 and the connecting piece 3 are of an integrated structure, a rotating ring 42 is fixedly arranged at the outer side of one end, deviating from the external hexagonal nut 4, of the first internal thread pipe 41, a rotating groove 31 matched with the rotating ring 42 is formed in the inner side of the connecting piece 3, the rotating ring 42 is rotationally assembled in the rotating groove 31, and when the external hexagonal nut 4 rotates at the outer side of the inner rod 1, the external hexagonal nut 4 moves along the axial direction of the inner rod 1, and meanwhile, the connecting piece 3 is pulled to move along the axial direction of the inner rod 1 through the first internal thread pipe 41 and the rotating ring 42.

In some embodiments, as shown in fig. 2, a second internal thread pipe 82 is fixedly arranged at one end, away from the connecting piece 3, of the retainer ring 8, the second internal thread pipe 82 is assembled at the end of the inner rod 1, the position of the retainer ring 8 on the inner rod 1 can be adjusted through the second thread pipe 82, the second thread pipe 82 is in threaded connection with the inner rod 1, a longer penetration path is formed between the second thread pipe 82 and the inner rod, and concrete can be prevented from entering the inside of the external hexagonal nut 4.

In some embodiments, as shown in fig. 4, the retainer ring 8 is welded and fixed on the outer side of the inner rod 1, and although the position of the retainer ring 8 in the embodiment cannot be adjusted, the retainer ring and the inner rod 1 are welded into an integral structure, so that better sealing performance is achieved.

In some embodiments, the two sides of the water stop plate 2 are uniformly provided with the water stop convex rings 21, the water stop convex rings 21 and the water stop plate 2 are connected into an integrated structure, and the infiltration path can be further increased by additionally arranging the water stop convex rings 21 on the two sides of the water stop plate 2, so that the seepage prevention effect is improved.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

The above examples only represent some embodiments of the utility model, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a stagnant water pull rod, its characterized in that includes interior pole and outer pole, the fixed stagnant water board that is provided with in middle part of interior pole, the external screw thread structure has been seted up to the tip of interior pole, the tip threaded connection of interior pole has outer hexagonal nut, the outside rotation of outer hexagonal nut is provided with the connecting piece, be provided with on the interior pole with be close to on the connecting piece the retaining ring that stagnant water board one end corresponds, the cover is equipped with mountain type card and fixation nut on the outer pole.

2. The water stop tie rod of claim 1, wherein: and an annular groove is formed in one side, close to the check ring, of the connecting piece, and a sealing ring is assembled in the annular groove.

3. The water stop tie rod of claim 1, wherein: the connecting piece is characterized in that a first internal thread pipe is fixedly arranged at one end, close to the connecting piece, of the external hexagonal nut, a swivel is fixedly arranged at the outer side of one end, deviating from the external hexagonal nut, of the first internal thread pipe, a swivel matched with the swivel is arranged at the inner side of the connecting piece, and the swivel is rotationally assembled in the swivel.

4. The water stop tie rod of claim 1, wherein: and a second internal thread pipe is fixedly arranged at one end, deviating from the connecting piece, of the check ring, and the second internal thread pipe is assembled at the end part of the inner rod.

5. The water stop tie rod of claim 1, wherein: and the check ring is welded and fixed on the outer side of the inner rod.

6. The water stop tie rod of claim 1, wherein: the water stop plate is characterized in that water stop convex rings are uniformly arranged on two sides of the water stop plate, and the water stop convex rings and the water stop plate are connected into an integrated structure.