CN215721604U - PPR movable joint anti-drop device - Google Patents

PPR movable joint anti-drop device Download PDF

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Publication number
CN215721604U
CN215721604U CN202122022690.9U CN202122022690U CN215721604U CN 215721604 U CN215721604 U CN 215721604U CN 202122022690 U CN202122022690 U CN 202122022690U CN 215721604 U CN215721604 U CN 215721604U
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China
Prior art keywords
drop
movable joint
articulated
ppr
pull rod
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CN202122022690.9U
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Chinese (zh)
Inventor
卫鑫
武旭
赫胜杰
王陆伟
赵红恩
赵伟
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Huaneng Luoyang Thermal Power Co Ltd
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Huaneng Luoyang Thermal Power Co Ltd
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Abstract

The utility model discloses a PPR (polypropylene random) articulated drop-proof device, which comprises an articulated left pipe component, an articulated right pipe component, a drop-proof component and a sealing component, and relates to the technical field of PPR articulated, when the anti-drop component is installed, the longitudinal stress of the movable joint generated by temperature and pressure is firstly absorbed by the anti-drop component, thereby achieving the purposes of reducing the longitudinal stress of the movable joint and preventing the movable joint from being disengaged, locking one end of the adjusting support plate through the locking nut after the movable joint right pipe assembly is fixed, finally penetrating the anti-drop pull rod through the adjusting support plate through the inner side of the through hole, adjusting and locking through the adjusting nut after the anti-drop pull rod penetrates through the through hole, enabling one end of the anti-drop pull rod to be tightly propped against and fastened on the outer end surface of the inner screw nut, the movable joint can be effectively prevented from being disengaged, the phenomenon that the medium in the movable joint is suddenly leaked and submerged, other equipment is wetted or abnormal damage of other equipment is caused is avoided, the capability of the movable joint for adapting to severe working conditions can be greatly improved, and the service life of the movable joint is prolonged.

Description

PPR movable joint anti-drop device
Technical Field
The utility model relates to the technical field of PPR joints, in particular to an anti-drop device for a PPR joint.
Background
PPR is short for polypropylene type III, also called random copolymerization polypropylene pipe, adopts the mode of thermal fusion, has special welding and cutting tools, has higher plasticity, and the PPR movable joint has a series of problems that the movable joint is easy to loosen and slide due to the fluctuation of temperature and pressure of medium in the pipeline, especially under the frequent condition of temperature and pressure alternation, the longitudinal alternating load borne by a screw cap in the inner thread fastening of the movable joint is larger, and finally the movable joint is disengaged, so that the medium in the pipeline leaks to cause water flooding other equipment and the like.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.
The present invention has been made in view of the above and/or other problems with a PPR drop-off prevention device of the prior art.
The problem to be solved by the present invention is therefore how to provide a PPR drop-off joint arrangement.
In order to solve the technical problems, the utility model provides the following technical scheme: a PPR swing anticreep device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the movable joint left pipe component comprises positioning holes which are arranged on the inner wall of the movable joint left pipe component in an annular array shape;
the movable joint right pipe assembly comprises a fastening inner thread nut and an anti-drop pull rod, a positioning hole is also formed in the inner wall of one side of the movable joint right pipe assembly, the fastening inner thread nut is installed on the outer side of the movable joint right pipe assembly, and the anti-drop pull rod is arranged at the outer end of the fastening inner thread nut;
the anti-drop assembly comprises an adjusting support plate and a locking nut, wherein the adjusting support plate is arranged on one side, away from the articulated right tube assembly, of the articulated left tube assembly, and the locking nut is arranged in the middle of one side of the adjusting support plate;
the sealing assembly comprises a sealing ring, the sealing ring is arranged between the movable joint left pipe assembly and the movable joint right pipe assembly, the sealing ring comprises positioning blocks welded to two side faces of the sealing ring, the positioning blocks are distributed in an annular array shape, and the positioning blocks are matched with the positioning holes.
Based on the technical characteristics: when the movable joint left pipe assembly and the movable joint right pipe assembly are used, the sealing ring is placed between the movable joint left pipe assembly and the movable joint right pipe assembly, and when the sealing ring is placed in, the positioning blocks on two sides of the sealing ring are required to be clamped inside the positioning holes on one sides of the movable joint left pipe assembly and the movable joint right pipe assembly, so that the movable joint left pipe assembly and the movable joint right pipe assembly can be quickly positioned and molded, and meanwhile, the movable joint left pipe assembly and the movable joint right pipe assembly are prevented from generating relative displacement after being positioned, and a gap is generated between the movable joint left pipe assembly and the movable joint right pipe assembly.
As a preferable aspect of the loose joint prevention device of the present invention, wherein: the adjustment supporting plate comprises a base plate arranged at the bottom end of the adjustment supporting plate, a chuck is arranged at the top end of the base plate, and the base plate is connected with one side of the chuck in a twisted mode through a hinge.
Based on the technical characteristics: when the articulated left pipe component and the articulated right pipe component need to be fixed, the chuck needs to be opened, and the chuck can be adjusted to be opened and closed through the hinge.
As a preferable aspect of the loose joint prevention device of the present invention, wherein: the base plate and the chuck are of a semicircular structure, the adjusting support plate is formed after the base plate is attached to the chuck, the chuck comprises a fixing groove formed in the middle of one end of the base plate and the middle of one end of the base plate, and through holes are formed in the surfaces of the base plate and the chuck.
Based on the technical characteristics: after the chuck is opened, the movable joint right pipe assembly is placed on the inner side of a fixing groove in the middle of the chuck, then the chuck is pressed downwards, the movable joint right pipe assembly is fixed in the middle of the adjusting support disc, and after the anti-dropping assembly is installed, longitudinal stress of the movable joint generated by temperature and pressure is absorbed by the anti-dropping assembly, so that the purposes of reducing longitudinal stress of the movable joint and preventing the movable joint from dropping are achieved.
As a preferable aspect of the loose joint prevention device of the present invention, wherein: the anti-falling pull rod comprises an adjusting nut arranged at one end of the anti-falling pull rod, the anti-falling pull rod is in threaded connection with the adjusting nut, the number of the through holes is three, and the anti-falling pull rod penetrates through the adjusting and supporting disc through the inner side of the through hole.
Based on the technical characteristics: the anti-drop pull rod penetrates through the adjusting support plate through the inner side of the through hole, and is adjusted and locked through the adjusting nut after penetrating through, so that one end of the anti-drop pull rod is tightly propped against the outer end face of the fastening inner screw nut, the movable joint can be effectively prevented from being disengaged, the phenomenon that the internal medium of the movable joint is suddenly leaked to submerge, wet other equipment or cause abnormal damage of other equipment is avoided, the capability of adapting to severe working conditions of the movable joint can be greatly improved, and the service life of the movable joint can be prolonged.
The utility model has the beneficial effects that: when the movable joint left pipe assembly and the movable joint right pipe assembly are fixed, the chuck needs to be opened, the movable joint right pipe assembly is placed inside a fixing groove in the middle of the chuck, then the chuck is pressed downwards, the movable joint right pipe assembly is fixed in the middle of an adjusting support plate, and after the movable joint assembly is installed, the movable joint is arranged due to the temperature, The longitudinal stress generated by pressure is firstly absorbed by the anti-drop assembly, so that the purposes of reducing the longitudinal stress of the movable joint and preventing the movable joint from being disconnected are achieved, when the movable joint right pipe assembly is fixed, one end of the adjusting support plate is locked through the locking nut, finally the anti-drop pull rod penetrates through the adjusting support plate through the inner side of the through hole, the anti-drop pull rod penetrates through the adjusting support plate and then is adjusted and locked through the adjusting nut, one end of the anti-drop pull rod is tightly propped against the outer end face of the fastening inner screw nut, the movable joint can be effectively prevented from being disconnected, the phenomenon that the internal medium of the movable joint is suddenly leaked and submerged, other equipment is wetted or abnormal damage of other equipment is caused is avoided, the capability of the movable joint for adapting to severe working conditions is greatly improved, and the service life of the movable joint is prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is an overall block diagram of a PPR drop-off prevention device of examples 1, 2 and 3.
Fig. 2 is a front view of a trim support disk of a PPR drop-out prevention device of examples 2 and 3.
FIG. 3 is an enlarged view of a portion of the PPR drop-off prevention device of example 1 at A in FIG. 1.
FIG. 4 is a schematic view of the seal assembly of a PPR drop-off joint arrangement of example 1.
In the drawings, the components represented by the respective reference numerals are listed below:
100. an articulated left tube assembly; 101. positioning holes; 200. an articulating right tube assembly; 201. fastening the internal thread nut; 202. an anti-drop pull rod; 202a, an adjusting nut; 300. an anti-drop component; 301. adjusting a support plate; 301a, a chassis; 301b, a chuck; 301b-1, a fixation slot; 301b-2, a through hole; 301c, a hinge; 302. locking the nut; 400. a seal assembly; 401. a seal ring; 401a, a positioning block.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, 3 and 4, a first embodiment of the present invention provides a PPR articulated drop-off prevention device, which includes an articulated left pipe assembly 100 including positioning holes 101, wherein the positioning holes 101 are arranged on the inner wall of the articulated left pipe assembly 100 in an annular array, an articulated right pipe assembly 200 including a fastening inner screw cap 201, a drop-off prevention pull rod 202, wherein the positioning holes 101 are also arranged on the inner wall of one side of the articulated right pipe assembly 200, and the fastening inner screw cap 201 is arranged on the outer side of the articulated right pipe assembly 200, and the drop-off prevention pull rod 202 is arranged at the outer end of the fastening inner screw cap 201, an drop-off prevention assembly 300 including an adjustment support plate 301 and a lock nut 302, wherein the side of the articulated left pipe assembly 100 away from the articulated right pipe assembly 200 is provided with an adjustment support plate 301, and the lock nut 302 is arranged in the middle of one side of the adjustment support plate 301, a sealing assembly 400 including a sealing ring 401, and sealing ring 401 is arranged between left articulated pipe assembly 100 and right articulated pipe assembly 200, and sealing ring 401 includes positioning blocks 401a welded on both sides thereof, positioning blocks 401a are distributed in an annular array, and positioning blocks 401a are matched with positioning holes 101.
When the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200 are used, the sealing ring 401 is placed between the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200, and when the sealing ring 401 is placed in the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200, the positioning blocks 401a on the two sides of the movable joint left pipe assembly 100 need to be clamped inside the positioning holes 101 on one sides of the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200, so that the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200 can be quickly positioned and formed, and meanwhile, the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200 are prevented from generating relative displacement after being positioned, and a gap is generated between the movable joint left pipe assembly 100 and the movable joint right pipe assembly 200.
Example 2
Referring to fig. 1 and 2, a second embodiment of the present invention, which is different from the first embodiment, is: the anti-drop pull rod 202 comprises an adjusting nut 202a arranged at one end of the anti-drop pull rod 202, the anti-drop pull rod 202 is in threaded connection with the adjusting nut 202a, three groups of through holes 301b-2 are formed, and the anti-drop pull rod 202 penetrates through the adjusting support plate 301 through the inner side of the through hole 301 b-2.
After the movable joint right pipe assembly 200 is fixed, one end of an adjusting support plate 301 is locked through a locking nut 302, finally, an anti-drop pull rod 202 penetrates through the adjusting support plate 301 through the inner side of a through hole 301b-2, the anti-drop pull rod 202 penetrates through the adjusting nut 202a and then is adjusted and locked, one end of the anti-drop pull rod 202 is tightly propped against and fastened with the outer end face of an inner screw nut 201, the PPR movable joint can be effectively prevented from being separated, the phenomenon that the inner medium of the PPR movable joint is suddenly leaked and submerged, other equipment is wetted or abnormal damage of other equipment is caused is avoided, the capability of the PPR movable joint adapting to severe working conditions is greatly improved, and the service life of the PPR movable joint is prolonged.
Example 3
Referring to fig. 1 and 2, a third embodiment of the present invention, which differs from the first two embodiments, is: the adjusting support plate 301 comprises a bottom plate 301a arranged at the bottom end thereof, a chuck 301b is arranged at the top end of the bottom plate 301a, the bottom plate 301a and one side of the chuck 301b are in twisted connection through a hinge 301c, the bottom plate 301a and the chuck 301b are in a semicircular structure, the adjusting support plate 301 is formed after the bottom plate 301a and the chuck 301b are attached, the chuck 301b comprises a fixing groove 301b-1 formed in the middle of one end of the bottom plate 301a, and a through hole 301b-2 is further formed in the surfaces of the bottom plate 301a and the chuck 301 b.
When it is necessary to fix left and right articulated tube assemblies 100 and 200, chuck 301b is opened, right articulated tube assembly 200 is placed inside fixing groove 301b-1 in the middle of chuck 301b, and then chuck 301b is pressed down to fix right articulated tube assembly 200 in the middle of adjusting support plate 301, and after anti-drop assembly 300 is installed, the longitudinal stress of the PPR articulated joint due to temperature and pressure is absorbed by anti-drop assembly 300, so as to achieve the purpose of reducing the longitudinal stress of the articulated joint and preventing the articulated joint from dropping off.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims (8)

1. A PPR swing anticreep device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
an articulated left tube assembly (100) comprising positioning holes (101), the positioning holes (101) opening in an annular array on an inner wall of the articulated left tube assembly (100);
the articulated right pipe assembly (200) comprises a fastening inner wire nut (201) and an anti-drop pull rod (202), wherein the positioning hole (101) is also formed in the inner wall of one side of the articulated right pipe assembly (200), the fastening inner wire nut (201) is installed on the outer side of the articulated right pipe assembly (200), and the anti-drop pull rod (202) is arranged at the outer end of the fastening inner wire nut (201);
the anti-drop assembly (300) comprises an adjusting support plate (301) and a locking nut (302), the adjusting support plate (301) is arranged on one side, away from the articulated right tube assembly (200), of the articulated left tube assembly (100), and the locking nut (302) is arranged in the middle of one side of the adjusting support plate (301);
a seal assembly (400) comprising a seal ring (401), with said seal ring (401) disposed intermediate said left articulated tube assembly (100) and said right articulated tube assembly (200).
2. The PPR drop-off joint arrangement of claim 1, wherein: the anti-drop pull rod (202) comprises an adjusting nut (202a) arranged at one end of the anti-drop pull rod, and the anti-drop pull rod (202) is in threaded connection with the adjusting nut (202 a).
3. A PPR drop-off joint arrangement as claimed in claim 1 or 2, wherein: the adjusting support plate (301) comprises a base plate (301a) arranged at the bottom end of the adjusting support plate, a chuck (301b) is arranged at the top end of the base plate (301a), and the base plate (301a) and one side of the chuck (301b) are in twisted connection through a hinge (301 c).
4. A PPR drop-off joint arrangement as claimed in claim 3, wherein: the base plate (301a) and the chuck (301b) are in a semicircular structure, and the adjusting support plate (301) is formed by attaching the base plate (301a) and the chuck (301 b).
5. The PPR drop-off joint arrangement of claim 4, wherein: the chuck (301b) comprises a fixing groove (301b-1) formed in the middle of one end of the bottom plate (301a), and through holes (301b-2) are formed in the surfaces of the bottom plate (301a) and the chuck (301 b).
6. The PPR drop-off joint arrangement of claim 5, wherein: the number of the through holes (301b-2) is three, and the anti-falling pull rod (202) penetrates through the adjusting support plate (301) through the inner side of the through hole (301 b-2).
7. A PPR drop-off prevention device as claimed in any one of claims 1, 2, 4, 5, 6, wherein: the seal ring (401) comprises positioning blocks (401a) welded to two side faces of the seal ring.
8. The PPR drop-off joint arrangement of claim 7, wherein: the positioning blocks (401a) are distributed in an annular array shape, and the positioning blocks (401a) are matched with the positioning holes (101).
CN202122022690.9U 2021-08-26 2021-08-26 PPR movable joint anti-drop device Active CN215721604U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122022690.9U CN215721604U (en) 2021-08-26 2021-08-26 PPR movable joint anti-drop device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122022690.9U CN215721604U (en) 2021-08-26 2021-08-26 PPR movable joint anti-drop device

Publications (1)

Publication Number Publication Date
CN215721604U true CN215721604U (en) 2022-02-01

Family

ID=80005974

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122022690.9U Active CN215721604U (en) 2021-08-26 2021-08-26 PPR movable joint anti-drop device

Country Status (1)

Country Link
CN (1) CN215721604U (en)

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