CN217815625U

CN217815625U - Saddle joint

Info

Publication number: CN217815625U
Application number: CN202222641934.6U
Authority: CN
Inventors: 陈光卫; 张双全; 康小红
Original assignee: Kangtai Plastic Science and Technology Group Co Ltd
Current assignee: Kangtai Plastic Science and Technology Group Co Ltd
Priority date: 2022-10-09
Filing date: 2022-10-09
Publication date: 2022-11-15
Anticipated expiration: 2032-10-09

Abstract

The application discloses saddle connects. The utility model relates to a technical field who connects for it produces the clearance easily after long to solve among the prior art between the laminating cambered surface of saddle and the inner wall of pipeline, thereby leads to taking place the technical problem of seepage between saddle and the pipeline. The device comprises a saddle seat, a threaded screwing cover and a plurality of pre-tightening mechanisms; the saddle seat comprises a fitting cambered surface, and the fitting cambered surface is fitted with the inner wall of the pipeline; and the plurality of pre-tightening mechanisms are arranged on the thread screwing cover and are used for applying pre-tightening force between the fit cambered surface and the inner wall of the pipeline. The pretightning force that produces through pretension mechanism can make the saddle connect the in-process that uses in this application, make to laminate all the time between the inner wall of laminating cambered surface and pipeline with together, consequently even the time that the saddle connects the use is back for a long time, also be difficult to produce the clearance between the inner wall of laminating cambered surface and pipeline to be difficult to lead to taking place the seepage between saddle seat and pipeline.

Description

Saddle joint

Technical Field

The application relates to connect technical field, especially relate to a saddle connects.

Background

With the development of economy, it is necessary to use corresponding pipes for better discharge of sewage, etc., and to connect pipes together using corresponding joints for better connection of the pipes, wherein a saddle joint is one of the joints commonly used.

Saddle joint among the prior art includes saddle seat and screw thread screwed cap, and saddle seat is including the laminating cambered surface, and saddle seat's one end is installed on the pipeline. When this saddle of installation, set up the mounting hole on the pipeline earlier, then pass the saddle mounting hole, and the laminating cambered surface that makes the saddle is in the same place with the inner wall laminating of pipeline, then screw the screw tight lid through the screw thread and screw on the saddle, when the screw thread was screwed the lid and is screwed on the saddle, the power of screwing of screw thread lid can make the laminating cambered surface of saddle and the inner wall of pipeline between tight laminating together, so can install this saddle on the pipeline, and through better discharge sewage etc. of this pipeline.

However, in the prior art, the fitting cambered surface of the saddle body is fitted with the inner wall of the pipeline only through the threaded screwing cover, the saddle body is in threaded connection with the threaded screwing cover, and after the saddle seat is used for a long time, the threaded connection part between the threaded screwing cover and the saddle body can be loosened, so that the screwing force of the threaded screwing cover on the saddle body is reduced, a gap is generated between the fitting cambered surface of the saddle body and the inner wall of the pipeline, and further leakage is generated between the saddle body and the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model provides a main aim at provides a saddle connects, aims at solving among the prior art and produces the clearance easily after the laminating cambered surface of saddle seat and the inner wall of pipeline use for a long time to lead to taking place the technical problem of seepage between saddle seat and pipeline.

In order to achieve the above object, the present application provides a saddle joint, comprising a saddle, a threaded tightening cap, and a plurality of pre-tightening mechanisms;

the saddle seat comprises a fitting cambered surface, and the fitting cambered surface is fitted with the inner wall of the pipeline;

and the plurality of pre-tightening mechanisms are arranged on the thread screwing cover and are used for applying pre-tightening force between the fit cambered surface and the inner wall of the pipeline.

Optionally, a plurality of pre-tightening holes are formed in the threaded tightening cover, the plurality of pre-tightening mechanisms correspond to the plurality of pre-tightening holes one to one, and the pre-tightening mechanisms are installed in the pre-tightening holes.

Optionally, the pre-tightening mechanism comprises an elastic piece and a pressing piece which are installed in the pre-tightening hole, and the pressing piece presses the elastic piece so that the elastic piece applies pre-tightening force between the fit arc surface and the inner wall of the pipeline.

Optionally, the elastic member is a compression spring, the compression member is a compression bolt, and the compression bolt is connected with the pre-tightening hole through a thread.

Optionally, the pre-tightening mechanism further comprises a guide post installed in the pre-tightening hole, and the compression spring is wound on the guide post.

Optionally, a pressing ring is further installed between the threaded screwing cover and the pipeline, and the pre-tightening mechanism is in contact with the pressing ring so as to apply pre-tightening force between the fit arc surface and the inner wall of the pipeline through the pressing ring.

Optionally, a sealing ring is further installed between the saddle seat and the inner wall of the pipeline, and the sealing ring is subjected to a pre-tightening force applied between the fit arc surface and the inner wall of the pipeline.

Optionally, the saddle body is provided with a mounting groove, and the sealing ring is positioned in the mounting groove.

Optionally, the saddle seat and the pipeline are both made of PVC, and the fit arc surface is bonded with the inner wall of the pipeline.

Optionally, the conduit is a bellows.

Through above-mentioned technical scheme, this application has following beneficial effect at least:

the application provides a saddle joint, which comprises a saddle, a threaded screwing cover and a plurality of pre-tightening mechanisms; the saddle seat comprises a fitting cambered surface, and the fitting cambered surface is fitted with the inner wall of the pipeline; and the plurality of pre-tightening mechanisms are arranged on the thread screwing cover and are used for applying pre-tightening force between the fit cambered surface and the inner wall of the pipeline. When the saddle joint is installed on a pipeline, a hole is formed in the corresponding position of the pipeline, then a part of the saddle passes through the hole formed in the pipeline, the fit cambered surface on the saddle is fit with the inner wall of the pipeline, the whole saddle joint is fixed on the pipeline in a conventional mode, the saddle joint is fixed on the pipeline, and meanwhile, a pretightening force is applied to the pipeline through the pretightening mechanism. This pretightning force can make the laminating cambered surface on the saddle be in the same place with the close laminating of the inner wall of pipeline, and at the in-process that the saddle connects the use, this pretightning force can remain certain size basically throughout, consequently this pretightning force can make the in-process that the saddle connects the use, make laminating between the inner wall of laminating cambered surface and pipeline laminate all the time with together, even consequently the saddle connects the time of using long back, also be difficult to produce the clearance between the inner wall of laminating cambered surface and pipeline to be difficult to lead to taking place the seepage between saddle and pipeline.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings that are needed in the detailed description of the present application or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic cross-sectional front view of a saddle joint according to the present disclosure;

FIG. 2 is a schematic front view of the saddle joint of the present application installed on a pipe;

FIG. 3 is a front cross-sectional structural schematic view of a horse saddle provided by an embodiment of the present application;

fig. 4 is a schematic front structural view of a pretensioning mechanism provided in an embodiment of the present application, mounted on a threaded cap.

Reference numerals: 1. a pipeline; 2. a seal ring; 3. a saddle seat; 31. fitting the cambered surface; 4. pressing a ring; 5. a pre-tightening mechanism; 51. a hold-down bolt; 52. a compression spring; 53. a guide post; 6. screwing the cover by screw threads; 61. pre-tightening the hole.

The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back, 8230; \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In order to solve the above technical problems, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are only a part of the embodiments of the present application, and not all embodiments.

As shown in fig. 1 and 3, the present embodiment provides a saddle joint including a saddle body 3, a screw-threaded cap 6, and a plurality of pre-tightening mechanisms 5; the saddle seat 3 comprises a fitting arc surface 31, and the fitting arc surface 31 is fitted with the inner wall of the pipeline 1; the plurality of pre-tightening mechanisms 5 are arranged on the threaded screwing cover 6, and the plurality of pre-tightening mechanisms 5 are used for applying pre-tightening force between the fit arc surface 31 and the inner wall of the pipeline 1.

In this embodiment, the existing saddle joint is used for connecting the converging pipe with the drainage pipeline or the plastic well with smooth inner and outer walls, when the saddle joint is installed, a hole is formed in the drainage pipeline or the plastic well, then the saddle seat 3 penetrates through the opened hole from the inner hole of the pipeline 1 to the outside, the cambered surface of the saddle seat 3 is tightly attached to the inner pipe of the drainage pipeline or the plastic well, and the screw thread screwing cover 6 is adopted for screwing to form sealing. After the mode is used for a long time, along with the reduction of the locking force of the screw thread screwing cover 6 and the deformation of plastic caused by expansion with heat and contraction with cold, the binding surface of the cambered surface of the saddle seat 3 and the inner pipe of the drainage pipeline or the plastic well is loosened, finally a gap is formed, leakage occurs, the environment is polluted, and the environmental protection is damaged, which is a technical problem for a long time in the industry. To this end, the present application proposes, in particular, a saddle joint with a pretensioning mechanism.

Specifically, when the saddle joint is installed on the pipeline 1, a hole is formed in a corresponding position of the pipeline 1, then a part of the saddle seat 3 penetrates through the hole formed in the pipeline 1, the fit arc surface 31 on the saddle seat 3 is fit with the inner wall of the pipeline 1, the whole saddle joint is fixed on the pipeline 1 in a conventional mode, and a pretightening force is applied to the pipeline 1 through the pretightening mechanism 5 while the saddle joint is fixed on the pipeline 1. This pretightning force can make the close laminating of laminating cambered surface 31 on the saddle seat 3 and pipeline 1's inner wall be in the same place, and at the in-process that the saddle joint used, this pretightning force can remain certain size basically all the time, consequently, this pretightning force can make the in-process that the saddle joint used, make laminating all the time between cambered surface 31 and pipeline 1's the inner wall laminate together, consequently even the time of saddle joint use is long after, also be difficult to produce the clearance between laminating cambered surface 31 and pipeline 1's inner wall, thereby be difficult to lead to taking place the seepage between saddle seat 3 and pipeline 1.

In order to better generate the pre-tightening force between the abutting arc surface 31 and the inner wall of the pipeline 1 by the pre-tightening mechanism 5, in some embodiments, as shown in fig. 4, a preferred structure of the pre-tightening mechanism 5 is given as follows: the threaded screwing cover 6 is provided with a plurality of pre-tightening holes 61, the pre-tightening mechanisms 5 correspond to the pre-tightening holes 61 one by one, and the pre-tightening mechanisms 5 are arranged in the pre-tightening holes 61. The pre-tightening mechanism 5 comprises an elastic piece and a pressing piece which are installed in the pre-tightening hole 61, and the pressing piece extrudes the elastic piece so that the elastic piece applies pre-tightening force between the fit arc surface 31 and the inner wall of the pipeline 1.

In this embodiment, a plurality of pretension holes 61 that open on screw thread screwing lid 6 are the through-hole, and when installing pretension mechanism 5 in the through-hole like this, pretension mechanism 5 can be directly used the pretightning force on pipeline 1, and the pretightning force is better to the pretension effect between pipeline 1 and laminating cambered surface 31 like this. The elastic element can be a compression spring 52 or a rubber column, the compression spring 52 is preferred in the application, the compression element is preferably a compression bolt 51, and the compression bolt 51 is in threaded connection with the pre-tightening hole 61. When the pre-tightening mechanism 5 is installed, the compression spring 52 is installed in the pre-tightening hole 61, then the compression bolt 51 is screwed in the pre-tightening hole 61, and the compression bolt 51 is preferably in threaded connection with the pre-tightening hole 61, so that the compression bolt 51 is more convenient to install and detach. When the pressing bolt 51 is installed on the pre-tightening hole 61, the pressing bolt 51 applies a pressure to the pressing spring 52, the pressing spring 52 is compressed, and the pressing spring 52 applies a pre-tightening force to the pipeline 1, so that the inner wall of the pipeline 1 and the fitting arc surface 31 are tightly fitted together by the pre-tightening force, and the threaded screwing cover 6 is prevented from being loosened after stress is released or deformed. The structure of the pre-tightening mechanism 5 is simple, and the pre-tightening effect is good.

In order to make the pre-tension of the compression spring 52 act on the pipe 1 better, as shown in fig. 4, in some embodiments, the following preferred structure is provided: the pre-tightening mechanism 5 further comprises a guide post 53 installed in the pre-tightening hole 61, and the pressing spring 52 is wound on the guide post 53.

In this embodiment, when the pre-tightening mechanism is installed, the guide post 53 is installed in the pre-tightening hole 61, then the pressing spring 52 is sleeved on the guide post, or the pressing spring 52 is sleeved on the guide post 53, then the guide post 53 with the pressing spring 52 is installed in the pre-tightening hole 61, and finally the pressing bolt 51 is installed on the pre-tightening hole 61. The axis of the guide pillar 53 is preferably collinear with the axis of the pre-tightening hole 61, so that the compression spring 52 is sleeved on the guide pillar 53, the pre-tightening force of the compression spring 52 can also be along the axis of the guide pillar 53, and the guide pillar 53 can guide the compression direction of the compression spring 52, so that the direction of the pre-tightening force generated by the compression spring 52 can be guided, and the compression spring 52 can better pre-tighten the pipeline 1 and the fitting cambered surface 31.

In order to achieve a better pre-tightening effect between the pipe 1 and the fitting cambered surface 31, as shown in fig. 1, in some embodiments, the following preferred structure is given: a pressing ring 4 is further installed between the threaded screwing cover 6 and the pipeline 1, and the pre-tightening mechanism 5 is in contact with the pressing ring 4 so as to apply pre-tightening force between the fit arc surface 31 and the inner wall of the pipeline 1 through the pressing ring 4.

In this embodiment, during the installation, install saddle 3 on pipeline 1 earlier, then install clamping ring 4 on pipeline 1 and saddle seat 3, install on clamping ring 4 with screw thread turn-on lid 6 again, on the pretightning force of pretension mechanism 5 directly acted clamping ring 4, rethread clamping ring 4 transmitted pipeline 1 and laminating cambered surface 31 department with the pretightning force. The clamping ring 4 can increase the contact area between the pretightening mechanism 5 and the pipeline 1, and simultaneously, the pretightening force generated by the pretightening mechanism 5 can be more uniformly applied to the pipeline 1, so that the pretightening effect between the pipeline 1 and the laminating cambered surface 31 can be further improved through the clamping ring 4.

In order to further improve the sealing effect between saddle 3 and pipe 1, as shown in fig. 1, in some embodiments, the following preferred solutions are given: still install sealing washer 2 between saddle 3 with the inner wall of pipeline 1, sealing washer 2 receives laminating cambered surface 31 with the pretightning force that applys between the inner wall of pipeline 1.

In this embodiment, since the force is transmittable, the sealing ring 2 is also subjected to the preload of the preload mechanism 5, and the sealing ring 2 is tightly pressed by the abutting arc surface 31 and the pipe 1. Because the pretightening force generated by the pretightening mechanism 5 has durability, the sealing ring 2 can be extruded for a long time, and the sealing performance between the attaching arc surface 31 and the pipeline 1 can be greatly improved while the sealing ring 2 is extruded, so that the leakage between the attaching arc surface 31 and the pipeline 1 can be greatly reduced. Simultaneously, for better installation sealing washer 2, it has the mounting groove to open on saddle 3 to be preferred, and sealing washer 2 is located in the mounting groove, can install sealing washer 2 more stably through the mounting groove, also can further improve sealing ring 2's sealed effect simultaneously.

In order to simplify the structure of the saddle joint, in some embodiments, as shown in fig. 2, the saddle 3 and the pipeline 1 are made of PVC or other high polymer materials capable of being bonded, the bonding arc surface 31 is bonded with the inner wall of the pipeline 1, and when the bonding arc surface 31 is fixed with the pipeline 1 in a bonding manner, the sealing ring 2 is not used between the bonding arc surface 31 and the pipeline 1, so that the structure of the saddle joint can be simplified, and meanwhile, the saddle joint is more convenient to install, excellent in leak-proof performance, and safer and more reliable.

Preferably, the saddle joint is used for a drainage pipe with smooth inner and outer walls and a plastic well, but the saddle joint can also be used for a corrugated pipe because the saddle joint is provided with the pre-tightening mechanism 5, namely the pipeline 1 can be the corrugated pipe.

To summer up, increased pretension mechanism 5 on screw thread is screwed tight lid 6, screwed tight lid 6 self-locking power for the screw thread in advance, effectively prevented traditional saddle joint live time back for a long time, caused the laminating cambered surface 31 of saddle seat 3 and the easy lax condition that produces of pipeline 1's inner tube binding face, the effectual seepage problem of having solved saddle joint current connected mode.

The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are included in the scope of the present application.

Claims

1. A saddle joint, characterized by: comprises a saddle seat (3), a threaded screwing cover (6) and a plurality of pre-tightening mechanisms (5);

the saddle seat (3) comprises a fitting arc surface (31), and the fitting arc surface (31) is fitted with the inner wall of the pipeline (1);

the plurality of pre-tightening mechanisms (5) are arranged on the threaded screwing cover (6), and the pre-tightening mechanisms (5) are used for applying pre-tightening force between the fit arc surface (31) and the inner wall of the pipeline (1).

2. The saddle joint according to claim 1, wherein: a plurality of pre-tightening holes (61) are formed in the threaded screwing cover (6), the pre-tightening mechanisms (5) correspond to the pre-tightening holes (61) one by one, and the pre-tightening mechanisms (5) are installed in the pre-tightening holes (61).

3. The saddle joint according to claim 2, wherein: the pre-tightening mechanism (5) comprises an elastic piece and a pressing piece which are installed in the pre-tightening hole (61), and the pressing piece extrudes the elastic piece, so that the elastic piece applies pre-tightening force between the fit arc surface (31) and the inner wall of the pipeline (1).

4. The saddle joint according to claim 3, wherein: the elastic piece is a compression spring (52), the compression piece is a compression bolt (51), and the compression bolt (51) is connected with the pre-tightening hole (61) through threads.

5. The saddle joint according to claim 4, wherein: the pre-tightening mechanism (5) further comprises a guide post (53) installed in the pre-tightening hole (61), and the pressing spring (52) is wound on the guide post (53).

6. The saddle joint according to claim 1, wherein: a pressing ring (4) is further installed between the threaded screwing cover (6) and the pipeline (1), and the pre-tightening mechanism (5) is in contact with the pressing ring (4) so as to apply pre-tightening force between the laminating arc surface (31) and the inner wall of the pipeline (1) through the pressing ring (4).

7. Saddle joint according to any of claims 1 to 6, wherein: still install sealing washer (2) between saddle seat (3) with the inner wall of pipeline (1), sealing washer (2) receive laminating cambered surface (31) with the pretightning force that applys between the inner wall of pipeline (1).

8. The saddle joint according to claim 7, wherein: the saddle seat (3) is provided with an installation groove, and the sealing ring (2) is positioned in the installation groove.

9. Saddle joint according to any one of claims 1 to 6, wherein: saddle seat (3) with the material of pipeline (1) is PVC, laminating cambered surface (31) with bond between the inner wall of pipeline (1).

10. Saddle joint according to any of claims 1 to 6, wherein: the pipeline (1) is a corrugated pipe.