CN217063087U

CN217063087U - Threading device for embedded wire pipes in wall

Info

Publication number: CN217063087U
Application number: CN202220694417.2U
Authority: CN
Inventors: 薛宝川; 肖雨; 解群; 席淑琪; 姜鹤
Original assignee: SHANDONG XINGHUA CONSTRUCTION GROUP CO Ltd
Current assignee: SHANDONG XINGHUA CONSTRUCTION GROUP CO Ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-07-26
Anticipated expiration: 2032-03-28

Abstract

The utility model provides a pre-buried spool threading device in wall, relates to building engineering technical field, including segmentation assembled seal wire, connect in the spring of seal wire front end, connect in the guide head in spring the place ahead, the front end of spring rotate with the rear end of guide head and be connected, the rear end of spring and the front end fixed connection of seal wire, the guide head be the hollow structure who makes by elastic material, including columniform base with locate the bullet head shape arch of base front end. This is novel can effectively reduce the threading degree of difficulty, improves threading efficiency, is particularly suitable for the spool threading that has the structure of turning round to can dispose the length of seal wire according to the length of spool, avoid the waste of seal wire, improve the flexibility of using.

Description

Pre-buried spool threading device in wall

Technical Field

The utility model relates to a building engineering technical field, concretely relates to pre-buried spool threading device in wall.

Background

The traditional way of threading the wire is to pull the wire into the conduit through a metal guide wire. The prior patent documents also disclose some improved threading devices, which mostly improve the form of the guide wire pulling and the guide wire advancing, however, these solutions have the following drawbacks: 1. the guide wire is difficult to turn in the wire tube; 2. the process of advancing the guidewire is still laborious; 3. the length of the guide wire is fixed, however, the length of the line pipe is very different, so that the applicability of the guide wire is not flexible enough and cannot be adapted according to the length of the line pipe, when the guide wire is too long, the guide wire needs to be cut off, and when the guide wire is too short, the guide wire cannot be used for threading, so that the waste of the guide wire and the trouble of threading work are caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pre-buried spool threading device in wall, the problem that exists among the prior art is solved to the purpose.

In order to achieve the purpose, the technical scheme adopted by the novel device is as follows:

the utility model provides a pre-buried spool threading device in wall, includes segmentation assembled seal wire, connects in the spring of seal wire front end, connects in the guide head in spring the place ahead, the front end of spring rotate with the rear end of guide head and be connected, the rear end of spring and the front end fixed connection of seal wire, the guide head be the hollow structure who makes by elastic material, it is protruding to include columniform base and the bullet head shape of locating the base front end.

Preferably, the guide head is made of elastic rubber materials, and the outer surface of the base of the guide head is in clearance fit with the inner surface of the conduit.

Preferably, the guide wire device further comprises a piston, the piston is in interference fit with a port of the spool, a pressing plate is fixedly connected to the outer end face of the piston, the piston is provided with a sliding hole penetrating through the piston and the pressing plate, and the guide wire penetrates through the sliding hole and is in clearance fit with the sliding hole.

Preferably, the piston is further provided with a mounting hole penetrating through the piston and the pressure plate, a vent pipe is arranged in the mounting hole in an interference fit manner, one end of the vent pipe extends into the pipeline, and the other end of the vent pipe is connected with a high-pressure gas supply device.

Preferably, the guide wire is formed by detachably and fixedly connecting a plurality of guide wire sections.

Preferably, the guide wire segments comprise a guide wire body, a stud fixedly arranged at the front end of the guide wire body and a sleeve fixedly connected to the rear end of the guide wire body, internal threads are arranged on the inner surface of the sleeve, and the adjacent guide wire segments are in threaded connection with the stud through the sleeve.

Preferably, the stud and the sleeve are made of high-strength steel materials.

Preferably, the rear end of the base of the guide head is fixedly connected with a connecting rod, the front end of the spring is connected with a connecting lug, and the connecting rod is rotatably connected with the connecting lug through a thrust bearing.

This novel pre-buried spool threading device in wall's beneficial effect does: this is novel can effectively reduce the threading degree of difficulty, improves threading efficiency, is particularly suitable for the spool threading that has the structure of turning round to can dispose the length of seal wire according to the length of spool, avoid the waste of seal wire, improve the flexibility of using.

Description of the drawings:

FIG. 1 is a schematic sectional view of the present invention in use;

FIG. 2 is a schematic cross-sectional structural view of the novel guidewire;

1. a wall body; 2. a conduit; 3. a guide head; 4. a connecting rod; 5. a thrust bearing; 6. connecting lugs; 7. a spring 8, a guide wire; 8-1, segmenting a guide wire; 8-2, sleeve; 8-3, a stud; 9. a piston; 10. pressing a plate; 11. a breather tube.

The specific implementation mode is as follows:

the present invention is described in detail with reference to the drawings, but the present invention is not limited thereto, and various modifications, equivalents, and improvements made within the spirit and scope of the present invention are intended to be included therein.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to be referred to must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention.

The utility model provides a pre-buried spool threading device in wall, is shown as figure 1, 2, including segmentation assembled seal wire 8, connect in the spring 7 of 8 front ends of seal wire, connect in the guide head 3 in spring 7 the place ahead, the front end of spring 7 rotate with the rear end of guide head and be connected, the rear end of spring 7 and the front end fixed connection of seal wire, guide head 3 be the hollow structure who makes by elastic material, include columniform base and the bullet head shape arch of locating the base front end.

As shown in fig. 1 and 2, the guide head 3 is made of elastic rubber material, and the outer surface of the base of the guide head 3 is in clearance fit with the inner surface of the conduit 2.

As shown in fig. 1 and 2, the spool valve further comprises a piston 9, the piston 9 is in interference fit with a port of the spool, a pressure plate 10 is fixedly connected to an outer end face of the piston 9, the piston 9 is provided with a sliding hole (not shown in the figure) penetrating through the piston and the pressure plate, and the guide wire 8 penetrates through the sliding hole and is in clearance fit with the sliding hole.

As shown in fig. 1 and 2, the piston 9 is further provided with a mounting hole (not shown) penetrating through the piston and the pressure plate, the mounting hole is internally provided with a vent pipe 11 in interference fit, one end of the vent pipe 11 extends into the spool 2, and the other end is connected with a high-pressure gas supply device (not shown).

As shown in fig. 1 and 2, the guide wire 8 is formed by detachably and fixedly connecting a plurality of guide wire segments 8-1.

As shown in fig. 1 and 2, the guide wire segment 8-1 comprises a guide wire body, a stud 8-3 fixedly arranged at the front end of the guide wire body and a sleeve 8-2 fixedly connected to the rear end of the guide wire body, wherein internal threads are arranged on the inner surface of the sleeve, and adjacent guide wire segments are in threaded connection with the studs through the sleeves. In practice, the dimensions of the stud and sleeve should not interfere with turning of the guidewire.

As shown in fig. 1 and 2, the stud and the sleeve are made of high-strength steel materials to ensure the connection strength.

As shown in fig. 1 and 2, a connecting rod 4 is fixedly connected to the rear end of the base of the guide head 3, a connecting lug 6 is connected to the front end of the spring 7, and the connecting rod 4 and the connecting lug 6 are rotatably connected through a thrust bearing 5.

This neotype theory of use:

1. the cylindrical base of the guide head 3 is used for ensuring the sliding direction of the guide head in the spool, so that the axis of the guide head is always approximately overlapped with the axis of the spool.

2. The guide head is made of elastic rubber material and is hollow, and the purpose of the design is as follows: the guide head can fully adapt to the change of the inner diameter of the spool, and the guide head caused by local diameter reduction of the spool is prevented from passing through obstacles.

3. The guide head is rotatably connected with the spring, so that the posture can be conveniently adjusted during traveling, the resistance is overcome, and meanwhile, the spring is convenient for the guide head to turn around.

4. The guide wire is formed by connecting a plurality of guide wire sections, and the guide wire can be formed by the guide wire sections with a proper number in a connecting or disassembling mode aiming at the line pipes with different lengths, so that the use flexibility is met, and the guide wire waste is avoided.

5. Connect high-pressure gas feeding device through the breather pipe, plug the import of spool with the piston during use to press the clamp plate and compress tightly, prevent that gas is excessive, promote the quick pipe along the line of guide head and remove through letting in high-pressure gas to the spool, the seal wire supplyes to the spool along the slide opening fast during the removal, because the guide head is hollow structure, so need not too big pressure can make the guide head remove easily, thereby effectively improve the efficiency of threading.

Claims

1. The utility model provides an embedded spool threading device in wall which characterized in that: including segmentation assembled seal wire, connect in the spring of seal wire front end, connect in the guide head in spring the place ahead, the front end of spring rotate with the rear end of guide head and be connected, the rear end of spring and the front end fixed connection of seal wire, the guide head be the hollow structure who makes by elastic material, it is protruding to include columniform base and the bullet head shape of locating the base front end.

2. An in-wall embedded wire pipe threading device as claimed in claim 1, characterized in that: the guide head is made of elastic rubber materials, and the outer surface of the base of the guide head is in clearance fit with the inner surface of the line pipe.

3. A pre-buried line pipe threading device in a wall as claimed in claim 2, wherein: the guide wire is in interference fit with the port of the spool, a pressing plate is fixedly connected to the outer end face of the piston, a sliding hole penetrating through the piston and the pressing plate is formed in the piston, and the guide wire penetrates through the sliding hole and is in clearance fit with the sliding hole.

4. An in-wall embedded wire pipe threading device as claimed in claim 3, characterized in that: the piston is also provided with a mounting hole penetrating through the piston and the pressing plate, a vent pipe is arranged in the mounting hole in an interference fit manner, one end of the vent pipe extends into the pipeline, and the other end of the vent pipe is connected with a high-pressure gas supply device.

5. A pre-buried spool threading device in wall as claimed in claim 4, characterized in that: the guide wire is formed by detachably and fixedly connecting a plurality of guide wire sections.

6. A pre-buried spool threading device in wall as claimed in claim 5, characterized in that: the guide wire subsection comprises a guide wire body, a stud fixedly arranged at the front end of the guide wire body and a sleeve fixedly connected to the rear end of the guide wire body, internal threads are arranged on the inner surface of the sleeve, and the adjacent guide wire subsections are in threaded connection with the stud through the sleeve.

7. An embedded line pipe threading device in a wall as claimed in claim 6, characterized in that: the stud and the sleeve are made of high-strength steel materials.

8. An embedded line pipe threading device in a wall as claimed in claim 7, characterized in that: the rear end of the base of the guide head is fixedly connected with a connecting rod, the front end of the spring is connected with a connecting lug, and the connecting rod is rotatably connected with the connecting lug through a thrust bearing.