Boiler pipeline sealing peripheral

Abstract

The utility model relates to the technical field of boiler pipeline connection, and discloses a boiler pipeline sealing peripheral device which comprises a boiler pipeline and flange sealing assemblies arranged on the surface of the boiler pipeline, and further comprises a movable shell movably connected to the surface of the flange sealing assembly on the left side, and a bolt is connected to an inner cavity of the flange sealing assembly on the left side in a sliding mode. The surface of one side of the bolt is in threaded connection with a fixing cap, and a hexagonal groove is formed in the surface of the movable shell. Through cooperation of the protruding block, the moving mechanism and the moving plate, the rubber pad can move in the direction away from the inner cavity of the fixing cap, the surface of the rubber pad makes contact with the surface of the wrench, the fastening force of the fixing cap and the wrench is increased, a worker can conveniently rotate the fixing cap on the surface of one end of a bolt, and the safety of the worker is improved. And meanwhile, under the cooperation of a movable shell, a hexagonal groove, a fixed shell and a limiting mechanism, one side of the bolt can be limited, and a worker can more conveniently install the fixing cap.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler pipeline connection technical field, concretely is a kind of boiler pipeline sealing external device. BACKGROUND

[0002] Boiler pipeline sealing external device refers to the installation at the boiler pipeline connection, for preventing the external device of smoke, steam or other fluid leakage, it is important to the safe operation and energy efficiency of boiler system, the sealing external device of usual has flange sealing, sleeve sealing etc.

[0003] However, the existing flange sealing needs to be connected and fixed by the cooperation of bolt and nut when being put into use, the surface of nut as the key component of connection and fixation is reduced with the surface of wrench after long time use and the erosion of various environmental factors inside boiler pipeline room, since staff need to maintain and maintain flange sealing pad regularly, the fastening force of the surface of nut and the surface of wrench is reduced, so that staff is inconvenient to rotate nut subsequently by wrench. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of boiler pipeline sealing external device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of boiler pipeline sealing external device, including boiler pipeline and the flange sealing assembly being set to the surface of boiler pipeline, further including:

[0006] movable shell is movably connected to the surface of left flange sealing assembly, the inner cavity of left flange sealing assembly is slidably connected with bolt, the surface of one side of bolt is threadedly connected with fixed cap, the surface of movable shell is provided with hexagonal slot, the surface of movable shell is fixedly connected with fixed shell, the side of fixed shell is provided with limiting mechanism, the surface of fixed cap is slidably connected with protruding block, the side of protruding block is provided with moving mechanism, the inner cavity of fixed cap is slidably connected with moving plate, the other side of moving plate is provided with rubber pad.

[0007] Preferably, the limiting mechanism includes the tensile spring being fixedly connected to the surface of left flange sealing assembly, the other side of tensile spring is fixedly connected with the surface of fixed shell, the inner cavity of fixed shell is provided with corresponding slot, the inner cavity of corresponding slot is slidably connected with limiting rod, one end of limiting rod is rotatably connected with the surface of left flange sealing assembly.

[0008] Preferably, the moving mechanism comprises a first wedge fixedly connected to the bottom of the convex block, a surface of the first wedge is slidingly connected with a second wedge, the other side of the second wedge is fixedly connected with a compression spring, the other side of the compression spring is fixedly connected with the inner cavity of the fixed cap, and one side of the second wedge is fixedly connected with the surface of the moving plate.

[0009] Preferably, one side of the moving shell is hingedly connected with a manual block, and the surface of the manual block is designed in a groove type.

[0010] Preferably, the inclined surface of the first wedge is smaller than that of the second wedge.

[0011] Preferably, the inner cavity of the fixed cap is fixedly connected with a guide rod, and the guide rod is located at the central part of the compression spring.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The utility model discloses a flange sealing assembly and a moving shell, which are characterized by the following. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view in the utility model;

[0015] Figure 2 It is a structure schematic view of the flange sealing assembly and the moving shell in the utility model;

[0016] Figure 3 It is a structure schematic view of the bolt and the hexagonal groove in the utility model;

[0017] Figure 4 It is the utility model Figure 3 It is an enlarged structure schematic view of A in the utility model;

[0018] Figure 5 It is a structure schematic view of the fixed cap and the convex block in the utility model;

[0019] Figure 6 It is a structure schematic view of the moving mechanism in the utility model.

[0020] In the figure: 1, boiler pipeline; 2, flange sealing assembly; 3, moving shell; 4, bolt; 5, fixed cap; 6, hexagonal groove; 7, fixed shell; 8, limiting mechanism; 81, tension spring; 82, corresponding groove; 83, limiting rod; 9, manual block; 10, protruding block; 11, moving mechanism; 111, first wedge-shaped block; 112, second wedge-shaped block; 113, compression spring; 12, guide rod; 13, moving plate; 14, rubber pad. DETAILED DESCRIPTION

[0021] 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. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-6As shown, a kind of boiler pipeline sealing external device, including boiler pipeline 1, the surface of boiler pipeline 1 is provided with flange sealing assembly 2, under the action of flange sealing assembly 2, the connecting place of boiler pipeline 1 can be sealed and connected, the surface of left flange sealing assembly 2 is movably connected with moving shell 3, the inner chamber of left flange sealing assembly 2 is slidably connected with bolt 4, the surface of one side of bolt 4 is threadedly connected with fixed cap 5, under the cooperation of bolt 4 and fixed cap 5, flange sealing assembly 2 can be connected, so that flange sealing assembly 2 can carry out sealing connection work to boiler pipeline 1, the surface of moving shell 3 is provided with hexagonal groove 6, the inner chamber of hexagonal groove 6 is slidably connected with the surface of one end of bolt 4, under the cooperation of moving shell 3 and hexagonal groove 6, the one end of bolt 4 can be limited, so that staff can rotatably connect fixed cap 5 on the other end of bolt 4, the surface of moving shell 3 is fixedly connected with fixed shell 7, one side of fixed shell 7 is provided with limiting mechanism 8, under the cooperation of fixed shell 7 and limiting mechanism 8, moving shell 3 can be moved away from bolt 4, and moving shell 3 can be limited, so that staff can take and place bolt 4 in the inside of flange sealing assembly 2, one side of moving shell 3 is bolted with hand block 9, the surface of hand block 9 is designed as recess type, under the action of hand block 9, staff can move moving shell 3 on one side of flange sealing assembly 2, the surface of fixed cap 5 is slidably connected with protruding block 10, one side of protruding block 10 is provided with moving mechanism 11, the inner chamber of fixed cap 5 is slidably connected with moving plate 13, the other side of moving plate 13 is provided with rubber pad 14, under the cooperation of protruding block 10 and moving mechanism 11, moving plate 13 can drive rubber pad 14 to move away from the inner chamber of fixed cap 5, so that the surface of rubber pad 14 can be in contact with the surface of wrench, the fastening force of fixed cap 5 and wrench is increased, so that staff can install fixed cap 5 on one end of bolt 4.

[0023] Limiting mechanism 8 includes tension spring 81, one side of tension spring 81 is fixedly connected with the surface of left flange sealing assembly 2, the other side of tension spring 81 is fixedly connected with the surface of fixed shell 7, the inner chamber of fixed shell 7 is provided with corresponding slot 82, the inner chamber of corresponding slot 82 is slidably connected with limiting rod 83, one end of limiting rod 83 is rotatably connected with the surface of left flange sealing assembly 2, under the cooperation of moving shell 3 and fixed shell 7, tension spring 81 can be stretched on the surface of left flange sealing assembly 2, when one end of limiting rod 83 moves to the inner chamber of corresponding slot 82, staff rotates limiting rod 83 and corresponding slot 82 to be staggered, so that moving shell 3 is limited, and staff can take and place bolt 4 in the inner chamber of flange sealing assembly 2.

[0024] It should be noted that: tension spring 81 can be stretched for a long time, so that staff can take out bolt 4 to leave moving space, only for illustration in the figure.

[0025] The moving mechanism 11 comprises a first wedge block 111, the top of the first wedge block 111 is fixedly connected with the bottom of the convex block 10, the surface of the first wedge block 111 is slidingly connected with a second wedge block 112, the other side of the second wedge block 112 is fixedly connected with a compression spring 113, the other side of the compression spring 113 is fixedly connected with the inner cavity of the fixed cap 5, one side of the second wedge block 112 is fixedly connected with the surface of the moving plate 13, the surface of the second wedge block 112 is slidingly connected with the inner cavity of the fixed cap 5, the inclined surface of the first wedge block 111 is smaller than that of the second wedge block 112, under the cooperation of the convex block 10 and the first wedge block 111, the compression spring 113 can be compressed in the inner cavity of the fixed cap 5, and the second wedge block 112 drives the rubber pad 14 to move away from the inner cavity of the fixed cap 5 through the moving plate 13, so that the surface of the rubber pad 14 is in contact with the surface of the wrench, the fastening force between the fixed cap 5 and the surface of the wrench is increased, thereby facilitating the staff to install the fixed cap 5 on the surface of one end of the bolt 4, the inner cavity of the fixed cap 5 is fixedly connected with a guide rod 12, the guide rod 12 is located at the central part of the compression spring 113, the surface of the guide rod 12 is slidingly connected with the inner cavity of the second wedge block 112, under the action of the guide rod 12, the position deviation of the compression spring 113 during work is effectively reduced.

[0026] Working principle: first, the staff places the boiler pipeline 1 inside the flange sealing assembly 2, when the staff places the bolt 4 in the inner cavity of the flange sealing assembly 2, the staff moves the fixed shell 7 away from the left flange sealing assembly 2 through the moving shell 3 by the hand block 9, when one end of the limiting rod 83 moves to the inner cavity of the corresponding groove 82, the staff rotates the limiting rod 83 and the corresponding groove 82 to be staggered with each other, so that the moving shell 3 can be limited by the fixed shell 7, then the staff places the bolt 4 in the inner cavity of the flange sealing assembly 2, when the staff needs to install the fixed cap 5 on the surface of one end of the bolt 4, the staff moves the surface of the wrench to the surface of the fixed cap 5, and at the same time, the convex block 10 drives the first wedge block 111 to move to the inner cavity of the fixed cap 5, the first wedge block 111 compresses the compression spring 113 in the inner cavity of the fixed cap 5 through the second wedge block 112, and the second wedge block 112 moves the rubber pad 14 away from the inner cavity of the fixed cap 5 through the moving plate 13, and the surface of the rubber pad 14 is in contact with the surface of the wrench, thereby increasing the fastening force between the fixed cap 5 and the wrench, when the staff installs the fixed cap 5 through the wrench, the wrench and the fixed cap 5 are separated from each other, under the action of the elastic force of the compression spring 113, the second wedge block 112 drives the moving plate 13 and the rubber pad 14 to return to the original position, and then the flange sealing assembly 2 can be sealed and connected with the boiler pipeline 1.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0028] Although embodiments of the present invention 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 to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A boiler pipe sealing device, comprising a boiler pipe (1) and a flange sealing assembly (2) disposed on the surface of the boiler pipe (1), characterized in that, Also includes: A movable shell (3) is movably connected to the surface of the left flange sealing assembly (2). A bolt (4) is slidably connected to the inner cavity of the left flange sealing assembly (2). A fixing cap (5) is threadedly connected to one side of the bolt (4). A hexagonal groove (6) is opened on the surface of the movable shell (3). A fixing shell (7) is fixedly connected to the surface of the movable shell (3). A limit mechanism (8) is provided on one side of the fixing shell (7). A protrusion (10) is slidably connected to the surface of the fixing cap (5). A moving mechanism (11) is provided on one side of the protrusion (10). A moving plate (13) is slidably connected to the inner cavity of the fixing cap (5). A rubber pad (14) is installed on the other side of the moving plate (13).

2. The boiler pipe sealing device according to claim 1, characterized in that: The limiting mechanism (8) includes a tension spring (81) fixedly connected to the surface of the left flange sealing assembly (2). The other side of the tension spring (81) is fixedly connected to the surface of the fixed shell (7). The inner cavity of the fixed shell (7) is provided with a corresponding groove (82). The inner cavity of the corresponding groove (82) is slidably connected to a limiting rod (83). One end of the limiting rod (83) is rotatably connected to the surface of the left flange sealing assembly (2).

3. The boiler pipe sealing device according to claim 1, characterized in that: The moving mechanism (11) includes a first wedge block (111) fixedly connected to the bottom of the protrusion (10), a second wedge block (112) slidably connected to the surface of the first wedge block (111), a compression spring (113) fixedly connected to the other side of the second wedge block (112), the other side of the compression spring (113) fixedly connected to the inner cavity of the fixing cap (5), and one side of the second wedge block (112) fixedly connected to the surface of the moving plate (13).

4. The boiler pipe sealing device according to claim 1, characterized in that: A manual block (9) is bolted to one side of the movable shell (3), and the surface of the manual block (9) is a groove-shaped design.

5. The boiler pipe sealing device according to claim 3, characterized in that: The inclined surface of the first wedge (111) is smaller than that of the second wedge (112).

6. The boiler pipe sealing device according to claim 3, characterized in that: The inner cavity of the fixing cap (5) is fixedly connected to a guide rod (12), which is located at the center of the compression spring (113).

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