CN219102256U - Sealing water-stopping sleeve for heating pipeline - Google Patents

Abstract

The utility model relates to the technical field of sealing water-stop sleeves, in particular to a sealing water-stop sleeve for a heating power pipeline, which is characterized in that the locking position of a gland is well limited by starting with the installation aspect of bolts and the installation aspect of nuts, so that the problem that the gland is loosened due to loosening between the bolts and the installation rings and the delivery of the nuts and the bolts is avoided, the stability of compressing a rubber ring is improved, the sealing stability and the service life of the water-stop sleeve are improved.

Description

Sealing water-stopping sleeve for heating pipeline

Technical Field

The utility model relates to the technical field of sealing water-stop sleeves, in particular to a sealing water-stop sleeve for a heating power pipeline.

Background

The sealing water-stop sleeve is divided into a rigid water-stop sleeve and a flexible water-stop sleeve, and is well known to ensure that in order to reduce the principle of opening holes after the construction of a building is finished, the sealing water-stop sleeve is required to be pre-installed at a position where a thermal pipeline is required to be installed in the building construction process, after the construction is finished, a pipeline to be installed is required to pass through the sealing water-stop sleeve to realize pipeline installation, and the thermal pipeline is used as a main pipeline for urban heating, so that good heat preservation effect is required in the installation process, and better sealing performance is required to improve the heat preservation effect compared with the common water-stop sleeve for the thermal pipeline, so that the flexible water-stop sleeve is generally selected for the water-stop sleeve for the thermal pipeline;

the existing flexible water-stopping sleeve comprises a sleeve body, wherein mounting rings are arranged at two ends of the sleeve body, middle rings are welded in the middle of the outer wall of the sleeve body, pressing covers are arranged at two ends of the sleeve body, a rubber ring is arranged between the pressing covers and the inner wall of the sleeve body, the pressing covers are connected with the mounting rings through bolts, an annular groove suitable for placing the rubber ring is arranged on the inner wall of the sleeve body, the inner diameter of the annular groove is larger than that of the sleeve body, a pressing ring is arranged on the pressing cover in a extending mode towards the inside of the sleeve body, and the pressing ring is in sliding contact with the inner wall of the annular groove and used for propping against the rubber ring;

the length of the sleeve body of the flexible water-stop sleeve, namely the length between two mounting rings is the thickness of a building wall, so that the mounting rings are provided with threaded through holes suitable for threaded connection of single-rod bolts, if the bolts with the caps are adopted, the bolts need to be inserted into bolt holes of the caps in advance, firstly, the caps of the caps can be caused to have no space for a spanner to operate due to pouring of building concrete, secondly, the bolts can be easily corroded due to the fact that the concrete is easy to fall on the bolts in the process of pouring the building concrete, the bolts can be adhered with the concrete, the subsequent use is influenced, the cleaning is troublesome, the mounting rings are provided with threaded through holes suitable for threaded connection of the single-rod bolts, when the mounting rings are used, the corresponding single-rod bolts with corresponding number are screwed, then the caps are correspondingly inserted into the sleeve body, the single-rod bolts penetrate through the through holes on the caps, finally, the thermal pipeline is locked between the caps, the rubber rings and the sleeve body is locked, the thermal pipeline is penetrated between the caps and the sleeve body, and the thermal pipeline is tightly deformed due to the fact that the thermal pipeline is tightly pressed between the sealing rings and the mounting rings;

but because the installation purpose of flexible stagnant water sleeve pipe, except reducing follow-up trompil again, still can reduce vibrations, but after long-time use, because vibrations or some temperature variation of building can lead to taking place not hard up between bolt and the collar and lead to its extrusion to the rubber ring unstable to cause sealing between rubber ring and the heating power pipeline not tight, produce the problem of leakage.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a sealing water stop sleeve for a heating power pipeline, which solves the problem that in the prior art, the sealing between a rubber ring and the heating power pipeline is not tight and leakage is generated due to looseness between a bolt and a mounting ring.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the sealing water-stopping sleeve for the heating power pipeline comprises a sleeve body, wherein mounting rings are mounted at two ends of the sleeve body, middle rings are welded in the middle of the outer wall of the sleeve body, pressing covers are arranged at two ends of the sleeve body, a rubber ring is arranged between the pressing cover and the inner wall of the sleeve body, the pressing cover is connected with the mounting rings through bolts, threaded through holes suitable for threaded connection of the bolts are formed in the mounting rings, and penetrating holes suitable for penetrating of the bolts are formed in the pressing cover;

the inner wall of the sleeve body is provided with an annular groove suitable for placing the rubber ring, the inner diameter of the annular groove is larger than that of the sleeve body, the pressing cover extends towards the inside of the sleeve body and is provided with a pressing ring, and the pressing ring is in sliding contact with the inner wall of the annular groove;

in addition, two external threads are arranged outside the bolt and are respectively used for screwing the mounting ring and the nut, the external threads of the mounting ring are screwed, the thread pitch is larger than that of the external threads matched with the threads of the nut, and an anti-rotation spring piece is further arranged between the bolt and the mounting ring;

moreover, the outside cover of collar is equipped with prevents the swivel to the trompil position on the swivel is equipped with polygon catching groove structure with the penetration hole position on the gland one-to-one, is used for stop nut in preventing the trompil position of swivel, is equipped with locating component between swivel and the gland, and prevents dismantling through countersunk head screw between swivel and the gland.

For realizing the connection irreversibility between bolt and the collar, as a preferred scheme of this application, every the outside equipartition of bolt is provided with two at least anti-rotation shell fragment, and be equipped with the draw-in groove that is fit for anti-rotation shell fragment card income on the screw thread through-hole of collar and bolt threaded connection, anti-rotation shell fragment outside is equipped with the ferrule to the outside at the bolt is established to ferrule thread bush.

In order to improve the effective practicality of anti-swivel, as the further scheme of this application, locating component includes a plurality of posts of inserting of arranging in anti-swivel downside to correspond on the position of pressing the lid with anti-swivel contact and set up the slot that is fit for the post male.

In order to enable the bolts to still keep the screwing function of the threaded holes in the mounting ring, as a still further scheme of the application, each bolt is provided with a placing groove suitable for placing the anti-rotation elastic piece, the anti-rotation elastic piece is used for hiding, the threaded connection function of the bolts is prevented from being influenced, and one end of the anti-rotation elastic piece is fixedly connected with the placing groove, close to the tail end position of the bolts.

For better will prevent that the swivel is installed on the gland, as this application still further scheme, be provided with the counter bore that is fit for countersunk head screw male on the swivel to be provided with the screw hole that is fit for countersunk head screw thread fit on the gland correspondingly.

In order to enable constructors to rotate the bolts to perform installation operation better, on the basis of the scheme, one end, far away from the threaded through holes, of each bolt is of a hexagonal structural design.

For better making polygonal catching groove structure adapt to the position of every nut and carry out effective lock, this application is further, polygonal catching groove structure's interior angle quantity is the integer multiple of the external angle quantity of nut.

(III) beneficial effects

Compared with the prior art, the utility model provides the sealing water stop sleeve for the heat distribution pipeline, which has the following beneficial effects:

1. according to the utility model, through the double-thread design of the bolt, a pre-locking effect of the bolt and the threaded through hole on the mounting ring can be realized during mounting, and meanwhile, the anti-rotation elastic sheet is additionally arranged, so that the stability between the mounted bolt and the mounting ring is further enhanced, the bolt is ensured not to loosen, and the use reliability is improved.

2. According to the utility model, the anti-rotation ring is designed outside the gland to limit the nuts arranged on the bolts, so that a plurality of nuts cannot independently rotate under the nesting of the anti-rotation ring which is integrally designed, and the nuts are limited due to the existence of the anti-rotation ring, so that the limit locking of the nuts is realized, and the problem of vibration looseness is avoided.

Therefore, this application combines current stagnant water sheathed tube installation requirement, under the condition that does not destroy the wall body (need not to reserve the operating space of hat bolt on the wall body), guarantee that sleeve pipe body is unanimous with wall body thickness, so in the installation aspect of bolt and the installation aspect of nut, carry out fine spacing to the locking position of gland, guarantee that it can not lead to the fact not hard up between bolt and the collar because of vibrations to and nut and bolt are not hard up, and lead to the fact the not hard up problem of gland, thereby improved the stability that compresses tightly the rubber ring, improved the sealed stability and the life of stagnant water sleeve pipe.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

FIG. 1 is a schematic diagram of an exploded construction of the present utility model;

FIG. 2 is a schematic view of a partial construction of the mounting ring and bolt of the present utility model exploded;

FIG. 3 is a schematic diagram showing the structure of the anti-rotation spring plate clamped into the clamping groove;

FIG. 4 is a schematic view of the structure of the threaded through hole and the clamping groove of the present utility model;

FIG. 5 is a schematic view of an anti-rotation ring according to the present utility model;

FIG. 6 is a schematic view of the structure of the bolt of the present utility model;

fig. 7 is a schematic view of the overall assembly of the present utility model.

Reference numerals in the drawings represent respectively: 100. a sleeve body; 101. a mounting ring; 102. a middle ring; 103. a gland; 104. a rubber ring; 105. a bolt; 106. a pressing ring; 107. an anti-rotation spring plate; 108. an anti-rotation ring; 109. polygonal buckle groove structure; 110. a positioning assembly; 111. a clamping groove; 112. a hoop; 113. countersink; 114. a threaded hole; 1100. inserting a column; 1101. a slot; 115. a threaded through hole; 116. a through hole; 117. a nut; 118. countersunk head screws.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-7, a sealing water stop sleeve for a heat distribution pipeline comprises a sleeve body 100, wherein mounting rings 101 are mounted at two ends of the sleeve body 100, a middle ring 102 is welded at the middle part of the outer wall of the sleeve body 100, a gland 103 is arranged at two ends of the sleeve body 100, a rubber ring 104 is arranged between the gland 103 and the inner wall of the sleeve body 100, an annular groove suitable for placing the rubber ring 104 is arranged on the inner wall of the sleeve body 100, the inner diameter of the annular groove is larger than that of the sleeve body 100, a pressing ring 106 is arranged on the gland 103 extending towards the inside of the sleeve body 100, the pressing ring 106 is in sliding contact with the inner wall of the annular groove, the gland 103 is connected with the mounting rings 101 through bolts 105, threaded through holes 115 suitable for threaded connection of the bolts 105 are arranged on the mounting rings 101, the gland 103 is provided with a through hole 116 which is suitable for the penetration of the bolt 105, when the gland is used, the bolt 105 is firstly installed, after the bolt 105 is connected with the threaded through hole 115 to a certain position in a threaded manner, then a thermal pipeline to be installed sequentially penetrates through the rubber ring 104 and the sleeve body 100 from the gland 103 and stretches into the sleeve body 100, the other end of the bolt 105 penetrates through the through hole 116 on the gland 103 and is screwed outside the bolt 105 through the nut 117, the gland 103 is moved to one side of the sleeve body 100 by rotating the nut 117, so that the rubber ring 104 is extruded, the rubber ring 104 is deformed, the sealing connection between the thermal pipeline and the sleeve body 100 is realized, and one end, far away from the threaded through hole 115, of the bolt 105 is in a hexagonal structure design, so that a constructor can conveniently rotate the bolt 105 through a spanner, and the operation is convenient;

in order to better ensure the stability of the bolt 105 installed inside the threaded through hole 115, two external threads are arranged outside the bolt 105 and are respectively used for screwing the mounting ring 101 and the nut 117, the external thread part of the mounting ring 101 is screwed, the thread pitch is larger than the thread pitch of the external thread part matched with the nut 117, when the bolt 105 needs to be installed, one end of the bolt 105 matched with the threaded through hole 115 is screwed into the threaded through hole 115, when the bolt 105 cannot be rotated to be matched with the internal thread of the threaded through hole 115, the rotation force is increased, so that part of the threads matched with the nut 117 enter the threaded through hole 115, the bolt 105 is pre-locked, the force is not very large, the reversible rotation can still be realized when the bolt 105 is disassembled, and an anti-rotation spring piece 107 is further arranged between the bolt 105 and the mounting ring 101, and at least two anti-rotation spring plates 107 are uniformly distributed on the outer part of each bolt 105, a clamping groove 111 suitable for clamping the anti-rotation spring plates 107 is arranged on a threaded through hole 115 in threaded connection with the mounting ring 101 and the bolts 105, a hoop 112 is arranged on the outer part of each anti-rotation spring plate 107, the hoop 112 is sleeved on the outer part of each bolt 105 in a threaded manner, a placing groove suitable for placing the anti-rotation spring plates 107 is arranged on each bolt 105 and used for hiding the anti-rotation spring plates 107 and preventing the anti-rotation spring plates from affecting the threaded connection function of the bolts 105, one end of each anti-rotation spring plate 107 is fixedly connected with the place near the tail end of each bolt 105 on the placing groove, after the bolts 105 are mounted to the position which is locked in advance, the hoop 112 is screwed down, one side of each anti-rotation spring plate 107 which is not connected with the inside of the placing groove is outwards sprung out and clamped into the clamping groove 111 on the threaded through hole 115, the bolt 105 is further locked due to vibration, wherein the bolt 105 can be rotated to a pre-locking position through the design of threads, the rotation number and the rotation force, and the experiment is well calculated, the mass production can be realized, and the same specification production can be realized, so that when the bolt 105 is pre-locked, the anti-rotation spring plate 107 is almost exactly positioned at the corresponding position of the clamping groove 111, and the hoop 112 is released, so that the anti-rotation spring plate 107 can be effectively clamped into the clamping groove 111, wherein the anti-rotation spring plate 107 is preferably made of rigid materials, and the durability is strong;

the locking between the bolt 105 and the mounting ring 101 is ensured, and the nut 117 is not loosened after mounting is ensured, so the outer part of the mounting ring 101 is sleeved with the anti-rotating ring 108, the positions of the holes on the anti-rotating ring 108 are in one-to-one correspondence with the positions of the through holes 116 on the gland 103, and a polygonal buckling groove structure 109 is arranged in the positions of the holes of the anti-rotating ring 108 and used for limiting the nut 117, the inner angle number of the polygonal buckling groove structure 109 is an integral multiple of the outer angle number of the nut 117, the purpose is that the nut 117 can be basically buckled by the polygonal buckling groove structure 109 no matter what position the nut 117 rotates to, the adaptability is higher, if the nut 117 is slightly in or out, the effect of adapting buckling can be achieved through the integral structural design of the polygonal buckling groove structure 109 and the anti-rotating ring 108, any nut 117 cannot freely rotate, so that the purpose of preventing rotation and looseness of the nut 117 is achieved, a positioning assembly 110 is arranged between the anti-rotation ring 108 and the gland 103, the positioning assembly 110 comprises a plurality of inserting columns 1100 which are arranged at the lower side of the anti-rotation ring 108, each inserting column 1100 can be cylindrical or prismatic, in this embodiment, a prism is taken as an example, a slot 1101 which is suitable for inserting the inserting column 1100 is correspondingly arranged at the position, which is contacted with the anti-rotation ring 108, on the gland 103, the anti-rotation ring 108 is conveniently positioned and installed outside the gland 103 through the matching of the inserting column 1100 and the slot 1101, when the anti-rotation ring 108 is installed, the polygonal buckling groove structure 109 is aligned with the nut 117 to buckle, the inserting column 1100 is aligned with the slot 1101, the anti-rotation ring 108 is buckled outside the gland 103, a counter bore 113 which is suitable for inserting a countersunk screw 118 is arranged on the anti-rotation ring 108, and screw holes 114 which are suitable for threaded fit of countersunk screws 118 are correspondingly formed in the gland 103, and the anti-rotation ring 108 is detachably connected with the gland 103 through the countersunk screws 118, so that the anti-rotation ring 108 and the gland 103 can be conveniently installed and detached.

In summary, this sealing water-stop sleeve for heating power pipeline, when using, firstly, the sleeve body 100 is pre-installed in the building wall, take care of when pre-installing, need cover the threaded through hole 115 on the collar 101 with sticky tape or plastic bag etc. in order to prevent concrete from entering and influencing the subsequent use, when needing to install heating power pipeline, firstly, take off sticky tape or plastic bag, screw one end of the bolt 105 that sets up to the threaded through hole 115 on the collar 101 in the first place, screw in the state that can not screw in and reach the position of locking in advance, then unscrew (can collect and recycle) the ferrule 112, heat power pipeline that will run through passes in proper order and prevents swivel 108, gland 103, rubber ring 104 and sleeve body 100, the nut 117 that sets up is rotated outside of bolt 105 and extrudes gland 103 to the sleeve body 100 inside, realize deformation extrusion of rubber ring 104 and carry out sealing connection to heating power pipeline, finally, aim at nut 117 with the position of inserting post 1100, if can not fine lock up very fine lock nut 117 again, can use spanner fine setting up angle rotation 103 and can prevent swivel nut 103 to the flush with the inside of countersunk hole 114, can be very much locked into the gland 118.

It should be noted that, even though the countersunk head screw 118 may be loosened during vibration, the anti-rotating ring 108 may still be well buckled on the gland 103, even if the anti-rotating ring 108 and the gland 103 have a certain separation phenomenon, the rotation direction of the nut 117 may be limited, so that when vibration occurs, the vibration is not transmitted to the position of the nut 117 to loosen the nut 117 under the integral constraint of the whole anti-rotating ring 108, thereby prolonging the loosening time of the nut 117, and the anti-rotating ring 118 can be installed by adopting measures of delaying loosening such as a spring plate, so that the integral sealing connection effect is stronger, and the durability is longer than that of the prior art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (7)

1. The utility model provides a sealing water-stop sleeve for heating power pipeline, including sleeve pipe body (100), collar (101) are installed at the both ends of sleeve pipe body (100), and middle ring (102) are welded at the outer wall middle part of sleeve pipe body (100), both ends of sleeve pipe body (100) all are equipped with gland (103), be equipped with rubber ring (104) between the inner wall of gland (103) and sleeve pipe body (100), be connected through bolt (105) between gland (103) and collar (101), be provided with threaded through-hole (115) suitable for bolt (105) threaded connection on collar (101), and be provided with through-hole (116) suitable for bolt (105) run through on gland (103);

an annular groove suitable for placing a rubber ring (104) is formed in the inner wall of the sleeve body (100), the inner diameter of the annular groove is larger than that of the sleeve body (100), a pressing ring (106) is arranged on the pressing cover (103) in an extending mode towards the inside of the sleeve body (100), and the pressing ring (106) is in sliding contact with the inner wall of the annular groove;

the anti-rotation elastic piece is characterized in that two external threads are arranged outside the bolt (105) and are respectively used for screwing the mounting ring (101) and the nut (117), the external threads of the mounting ring (101) are screwed, the thread pitch is larger than that of the external threads matched with the nut (117), and an anti-rotation elastic piece (107) is further arranged between the bolt (105) and the mounting ring (101);

the outside cover of collar (101) is equipped with prevents swivel (108) to the trompil position on preventing swivel (108) and through-hole (116) position one-to-one on gland (103) are equipped with polygon catching groove structure (109) in the trompil position of preventing swivel (108), are used for stop nut (117), are equipped with locating component (110) between preventing swivel (108) and gland (103), and prevent dismantling through countersunk head screw (118) between swivel (108) and gland (103).

2. A sealing water-stop sleeve for a thermal pipeline according to claim 1, characterized in that at least two anti-rotation elastic pieces (107) are uniformly distributed on the outer portion of each bolt (105), a clamping groove (111) suitable for clamping the anti-rotation elastic pieces (107) is formed in a threaded through hole (115) in threaded connection between the mounting ring (101) and the bolts (105), a hoop (112) is arranged on the outer portion of each anti-rotation elastic piece (107), and the hoop (112) is sleeved on the outer portion of each bolt (105) in a threaded mode.

3. A sealing-up sleeve for a heat distribution pipe according to claim 2, wherein the positioning assembly (110) comprises a plurality of insertion posts (1100) arranged on the lower side of the anti-rotation ring (108), and insertion slots (1101) suitable for inserting the insertion posts (1100) are correspondingly arranged on the gland (103) at positions contacting the anti-rotation ring (108).

4. A sealing-up sleeve for a heat distribution pipeline according to claim 3, wherein each bolt (105) is provided with a placement groove suitable for placing a rotation preventing elastic sheet (107), and one end of the rotation preventing elastic sheet (107) is fixedly connected with the placement groove at a position close to the tail end of the bolt (105).

5. A sealing water stop sleeve for a heat distribution pipeline according to claim 4, characterized in that the anti-rotation ring (108) is provided with a counter bore (113) suitable for inserting a countersunk screw (118), and the gland (103) is correspondingly provided with a threaded hole (114) suitable for the threaded fit of the countersunk screw (118).

6. A sealing-up sleeve for a thermodynamic pipe according to claim 5, characterized in that the end of the bolt (105) remote from the threaded through hole (115) is of hexagonal design.

7. A sealing-up sleeve for a thermodynamic pipe according to claim 6, characterized in that the number of internal corners of the polygonal-shaped groove structure (109) is an integer multiple of the number of external corners of the nut (117).

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