CN215445530U

CN215445530U - Novel expansion joint guide structure

Info

Publication number: CN215445530U
Application number: CN202122067369.2U
Authority: CN
Inventors: 王杨瑞; 赵法宝
Original assignee: Jinneng Chemical Qingdao Co Ltd
Current assignee: Jinneng Chemical Qingdao Co Ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-07
Anticipated expiration: 2031-08-30

Abstract

The utility model provides a novel expansion joint guide structure which is arranged at a connecting expansion joint of a heat distribution pipeline main body, wherein a plurality of screw rod positioning seats are arranged on the left side and the right side of two connecting expansion joints, the screw rod positioning seats are fixedly connected to the outer surface of the heat distribution pipeline main body, oval bolt holes are formed in the screw rod positioning seats, and an expansion guide rod is inserted between the two opposite screw rod positioning seats. The utility model discloses a, be provided with a plurality of screw rod positioning seats through connecting expansion joint both sides, and seted up oval bolt hole on the screw rod positioning seat, the inflation guide bar pegs graft to oval bolt hole back, when connecting the expansion joint and take place the inflation, can drive the inflation guide bar and slide to make the difficult emergence extrusion deformation of inflation guide bar, it is obvious to make the device reach the result of use, and between the effective deformation of expansion joint, the inflation guide bar can freely slide, and the method is simple effective, is suitable for popularization on a large scale.

Description

Novel expansion joint guide structure

Technical Field

The utility model relates to the technical field of heating power pipelines, in particular to a novel expansion joint guide structure.

Background

The heat supply pipeline network is also called a heat supply pipeline, and is a heat supply pipeline leading from a heat source to a building heat inlet, and a plurality of heat supply pipelines form a pipeline network.

The expansion joint is usually installed on the heat distribution pipeline, a guide rod bolt of the expansion joint is fixed on the heat distribution pipeline through a fixing lug, and in actual operation, when the expansion joint connected on the heat distribution pipeline normally works and deforms, the guide rod is easy to bend and deform due to the fact that a gap between the guide rod bolt and a bolt hole in the fixing lug is small, and therefore a novel expansion joint guide structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a novel expansion joint guide structure, which solves the problem that a guide rod is easy to bend and deform due to a small gap between a guide rod bolt and a bolt hole on a fixing lug when a connecting expansion joint on a heating power pipeline normally works and deforms.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel expansion joint guide structure installs in the connection expansion joint department of heating power pipeline main part, the left and right sides of connecting the expansion joint all is provided with a plurality of screw rod positioning seats, and is a plurality of the equal fixed connection of screw rod positioning seat is in the surface of heating power pipeline main part, and is a plurality of oval bolt hole has all been seted up on the screw rod positioning seat, and is relative two it has the inflation guide bar to peg graft between the screw rod positioning seat, the both ends of inflation guide bar are pegged graft respectively in the inboard of oval bolt hole, the equal threaded connection in both ends of inflation guide bar has four threaded ring, adjacent two the threaded ring is located the both sides of screw rod positioning seat, the both ends of inflation guide bar are run through respectively to the one side that two adjacent screw rod positioning seats carried on the back mutually.

Preferably, the minor axis length of the oval bolt hole is 0.5-0.8 mm larger than the outer diameter of the expansion guide rod, and the major axis length of the oval bolt hole is 30-50 mm larger than the outer diameter.

Preferably, the expansion guide rods are distributed in a ring shape by taking the connecting expansion joints as axes.

Preferably, one side of the screw rod positioning seat, which is far away from the expansion joint, is fixedly connected with a reinforcing plate, and the reinforcing plates are all fixedly connected to the outside of the heat distribution pipeline main body.

Preferably, a support base is fixedly connected to the bottom of the heat distribution pipeline main body.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel expansion joint guide structure, which has the following beneficial effects:

1. this novel expansion joint guide structure is provided with a plurality of screw rod positioning seats through connecting expansion joint both sides, and has seted up oval bolt hole on the screw rod positioning seat, and the inflation guide bar pegs graft to oval bolt hole back, when connecting the expansion joint and take place the inflation, the inflation guide bar can slide in oval bolt hole to make the difficult emergence extrusion deformation of inflation guide bar, this method is simple effective, is suitable for and promotes on a large scale.

2. Among this novel expansion joint guide structure, the minor axis length of oval bolt hole is than the big 0.5 ~ 0.8mm of expansion guide bar external diameter, and the major axis length of oval bolt hole is than the big 30 ~ 50mm of external diameter for when the expansion joint takes place the inflation, the expansion guide bar can be in the downthehole stable slip of oval bolt, makes the device reach simple structure, and the availability factor is high, is suitable for wideling popularize.

3. Among this novel expansion joint guide structure, the inflation guide bar is the annular form and distributes for the axle center with connecting the expansion joint to make the expansion joint when taking place the inflation, the atress of a plurality of inflation guide bars is comparatively even, and the cross-section that looks sideways at of inflation guide bar is circular, makes the inflation guide bar can be in the downthehole free slip of oval bolt, has increased the messenger stability of device.

4. This novel expansion joint guide structure through keeping away from one side fixedly connected with reinforcing plate of connecting the expansion joint at the screw rod positioning seat, the reinforcing plate has further strengthened the stability and the durability of screw rod positioning seat installation, has increased the practicality of device.

5. This novel expansion joint guide structure through the bottom fixedly connected with support pedestal at the heating power pipeline main part, makes placing of heating power pipeline main part comparatively stable, has increased the practicality of device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side perspective view of the oval bolt hole and expansion guide bar connection structure of the present invention;

FIG. 3 is a schematic side sectional view of the structure of the present invention.

In the figure: 1. a thermal conduit body; 2. a support base; 3. connecting an expansion joint; 4. a screw positioning seat; 5. an oval bolt hole; 6. an expansion guide rod; 7. a threaded ring; 8. a reinforcing plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a novel expansion joint guide structure is installed at a connecting expansion joint 3 of a thermal pipeline main body 1, a plurality of screw positioning seats 4 are respectively arranged on the left side and the right side of two connecting expansion joints 3, the plurality of screw positioning seats 4 are fixedly connected to the outer surface of the thermal pipeline main body 1, elliptical bolt holes 5 are respectively formed in the plurality of screw positioning seats 4, an expansion guide rod 6 is inserted between two adjacent screw positioning seats 4, two ends of the expansion guide rod 6 are respectively inserted into the inner sides of the elliptical bolt holes 5, two ends of the expansion guide rod 6 are respectively in threaded connection with four threaded rings 7, the two threaded rings 7 are located on two sides of the screw positioning seats 4, and two ends of the expansion guide rod 6 respectively penetrate through one side of the two adjacent screw positioning seats 4 opposite to each other;

in this embodiment, be provided with a plurality of screw rod positioning seats 4 through connecting expansion joint 3 both sides, and seted up oval bolt hole 5 on the screw rod positioning seat 4, back in expansion guide bar 6 pegs graft to oval bolt hole 5, when connecting expansion joint 3 and take place the inflation, expansion guide bar 6 can slide in oval bolt hole 5 to make expansion guide bar 6 be difficult for taking place extrusion deformation.

Further, the short axial length of the oval bolt hole 5 is 0.5-0.8 mm larger than the outer diameter of the expansion guide rod 6, and the long axial length of the oval bolt hole 5 is 30-50 mm larger than the outer diameter;

the minor axis length of oval bolt hole 5 is greater than 6 external diameters of inflation guide bar by 0.5 ~ 0.8mm, and the major axis length of oval bolt hole 5 is greater than the external diameter by 30 ~ 50mm for when the expansion joint takes place the inflation, inflation guide bar 6 can be in oval bolt hole 5 internal stability slip, makes the device reach simple structure, and the availability factor is high, is suitable for wideling popularize.

Further, the expansion guide rods 6 are distributed in a ring shape by taking the connecting expansion joint 3 as an axis;

through setting up expansion guide bar 6 and using connecting expansion joint 3 to be the annular form and distribute as the axle center to make the expansion joint when taking place the inflation, the atress of a plurality of expansion guide bars 6 is comparatively even, has increased the messenger stability of device.

Further, one side of the screw positioning seat 4, which is far away from the connecting expansion joint 3, is fixedly connected with a reinforcing plate 8, and the reinforcing plates 8 are fixedly connected to the outside of the heat distribution pipeline main body 1;

through keeping away from one side fixedly connected with reinforcing plate 8 of connecting expansion joint 3 at screw rod positioning seat 4, reinforcing plate 8 has further strengthened the stability and the durability of screw rod positioning seat 4 installation, has increased the practicality of device.

Further, the bottom of the heat distribution pipeline main body 1 is fixedly connected with a support base 2;

through the bottom fixedly connected with support pedestal 2 at heating power pipeline main part 1, make placing of heating power pipeline main part 1 comparatively stable, increased the practicality of device.

It should be noted that each device in the present application is a common device in the market, and can be selected according to the requirement when in specific use, and the circuit connection relationship of each device all belongs to a simple series and parallel connection circuit, and there is no innovation point in the circuit connection, and those skilled in the art can easily implement the circuit connection, and belong to the prior art, and are not described again.

The working principle is as follows: through being provided with a plurality of screw rod positioning seats 4 in connecting 3 both sides of expansion joint, and oval bolt hole 5 has been seted up on the screw rod positioning seat 4, back in expansion guide bar 6 pegs graft to oval bolt hole 5, when connecting expansion joint 3 and take place the inflation, can drive expansion guide bar 6 and slide, thereby make expansion guide bar 6 be difficult for taking place extrusion deformation, when having solved the normal work deformation of connection expansion joint 3 on the heating power pipeline, because the clearance between the bolt hole on guide bar bolt and the fixed ear is less, easily make the guide bar problem of bending deformation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel expansion joint guide structure, installs in the connection expansion joint (3) department of heating power pipeline main part (1), its characterized in that: the left and right sides of connecting expansion joint (3) all is provided with a plurality of screw rod positioning seats (4), and is a plurality of the equal fixed connection in the surface of heating power pipeline main part (1) of screw rod positioning seat (4) is a plurality of oval bolt hole (5) have all been seted up on screw rod positioning seat (4), relative two it has expansion guide bar (6) to peg graft between screw rod positioning seat (4), the both ends of expansion guide bar (6) are pegged graft respectively in the inboard of oval bolt hole (5), the equal threaded connection in both ends of expansion guide bar (6) has four screw ring (7), adjacent two screw ring (7) are located the both sides of screw rod positioning seat (4), the both ends of expansion guide bar (6) are run through to the one side that two adjacent screw rod positioning seats (4) carried on the back mutually respectively.

2. The novel expansion joint guide structure of claim 1, wherein: the minor axis length of the oval bolt hole (5) is 0.5-0.8 mm larger than the outer diameter of the expansion guide rod (6), and the major axis length of the oval bolt hole (5) is 30-50 mm larger than the outer diameter.

3. The novel expansion joint guide structure of claim 1, wherein: the expansion guide rods (6) are distributed in a ring shape by taking the connecting expansion joint (3) as an axis.

4. The novel expansion joint guide structure of claim 1, wherein: one side fixedly connected with reinforcing plate (8) of connecting expansion joint (3) is kept away from in screw rod positioning seat (4), and is a plurality of reinforcing plate (8) all fixed connection is in the outside of heating power pipeline main part (1).

5. The novel expansion joint guide structure of claim 1, wherein: the bottom of the heat distribution pipeline main body (1) is fixedly connected with a supporting base (2).