Mechanical sealing element convenient to adjust

Abstract

The utility model discloses a mechanical sealing element convenient to adjust, and relates to the field of sealing elements, the mechanical sealing element convenient to adjust comprises a first pipeline, the end wall of the first pipeline and the end wall of a second pipeline are fixedly connected with a first sealing ring and a second sealing ring respectively, the first pipeline is movably connected with the second pipeline, and the outer ring of the first pipeline is fixedly sleeved with a fixing ring block. The outer ring of the second pipeline is in threaded connection with a movable ring block, the movable ring block is in threaded connection with the fixed ring block, an annular groove is reserved in the second pipeline, and a small ring block is rotationally connected into the annular groove. The movable ring block is twisted to synchronously displace in the rotating process until the movable ring block is matched with the second thread groove reserved in the fixed ring block, the movable ring block is continuously twisted to ensure connection of the first pipeline and the second pipeline, and after the sealing ring is used for a long time, the sealing performance of the sealing ring is reduced. And the movable ring block is continuously twisted to enable the first pipeline and the second pipeline to move oppositely, so that the first pipeline and the second pipeline are fastened and connected again.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of sealing element, concretely relates to a mechanical sealing element convenient to adjust. BACKGROUND

[0002] Sealing element is an important component widely used in engineering field, its function is to seal and protect in various mechanical equipment and device, sealing element is various, according to different application scene and requirement, different material and structure design can be used to meet the specific sealing demand.

[0003] The prior art patent authorized announcement No. CN212899702U discloses a kind of mechanical sealing element convenient to adjust, belong to machinery sealing field, a kind of mechanical sealing element convenient to adjust, including lower shell, the inside of lower shell is equipped with a pair of connecting pipe, the upper end of lower shell is carved with annular groove, the upper end of annular groove is equipped with upper shell, the lower end of upper shell is matched with the inner wall of annular groove, the upper end of lower shell and upper shell is carved with through hole, the inner wall of through hole is matched with the outer end of connecting pipe, the outer end of lower shell and upper shell is fixedly connected with a pair of connecting plate, the connecting plate of lower shell outer end is carved with screw hole, the connecting plate of upper shell outer end is carved with positioning hole, the inside of a pair of positioning holes is inserted with rotating rod, rotating rod is rotatably connected with positioning hole, the upper end of rotating rod is carved with screw thread, the upper end of rotating rod is threadedly connected with screw hole, it can realize that sealing element is not easy to fall off after long time use to pipeline, fluid is not easy to leak from gap, and service life is long.

[0004] The sealing element described above still has some problems when in use: the sealing element described above needs to twist two groups of symmetrically arranged rotating rods simultaneously to realize the fastening operation of the sealing element when in use, which leads to cumbersome use of the sealing element, and it is not convenient to ensure that the rotating rods are twisted by the same number of turns each time, which may lead to poor use effect of the sealing element.

[0005] Therefore, it is necessary to invent a mechanical sealing element convenient to adjust to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of mechanical sealing element convenient to adjust to solve the above problems raised in the above background art, i.e., the sealing element described above needs to twist two groups of symmetrically arranged rotating rods simultaneously to realize the fastening operation of the sealing element when in use, which leads to cumbersome use of the sealing element, and it is not convenient to ensure that the rotating rods are twisted by the same number of turns each time, which may lead to poor use effect of the sealing element.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A mechanical seal convenient to adjust, including pipeline one, the end wall of pipeline one and pipeline two is fixedly connected with sealing ring one and sealing ring two respectively, and the movable joint is connected between pipeline one and pipeline two, the outer ring of pipeline one is fixedly connected with fixed ring block, the outer ring of pipeline two is threadedly connected with movable ring block, and movable ring block and fixed ring block realize threaded connection, still include:

[0008] Anti -disengagement subassembly, the inside of pipeline two reserves annular groove, and the inside rotation of annular groove is connected with small ring block, and the outer wall of small ring block is fixedly connected with limiting block, the limiting block is reserved in the limiting groove of movable ring block and is presented movable connection, so that movable ring block does not separate from pipeline two installation.

[0009] Preferably, the outer diameter of the pipeline one is smaller than the outer diameter of the pipeline two, ensuring that the movable ring block connected by the pipeline two rotates smoothly and is matched with the fixed ring block.

[0010] Preferably, the outer circle of the pipeline two is provided with a thread one, and the thread one is threadedly connected with the thread groove one reserved in the inner circle of the movable ring block, and the thread groove one is communicated with the limiting groove, ensuring the stability of the thread connection between the movable ring block and the pipeline two.

[0011] Preferably, the opening end wall of the fixed ring block is flush with the end wall of the pipeline one.

[0012] Preferably, the outer circle of the movable ring block is provided with a thread two, and the thread two is threadedly connected with the thread groove two reserved in the inner part of the fixed ring block, ensuring that the movable ring block is threadedly connected with the fixed ring block, so that the pipeline one is connected with the pipeline two.

[0013] Preferably, there is a gap between the outer wall of the small ring block and the inner wall of the thread groove one, ensuring that the small ring block and the limiting block fixedly connected with the outer wall of the small ring block do not affect the rotation of the movable ring block.

[0014] Preferably, the limiting block is provided with two in quantity, and the two limiting blocks are symmetrically arranged with reference to the central axis in the inner part of the small ring block as the symmetry axis, the outer wall of the limiting block is fitted with the inner wall of the limiting groove and realizes sliding connection, and the both ends of the limiting groove are closed, after the end wall of the limiting groove is contacted with the limiting block by the rotation of the movable ring block, the movable ring block has no movable space, so that the movable ring block cannot rotate, so that the movable ring block cannot separate from the pipeline two installation.

[0015] In the above technical scheme, the utility model provides the technical effect and advantage:

[0016] 1. The utility model discloses a twist movable ring block makes the displacement of movable ring block synchronous in the rotation process until with the thread groove no. 2 that the inside reservation of fixed ring block is matched, and the connection of pipeline one and pipeline two is guaranteed by the continuous twist movable ring block, after the sealing ring uses for a long time and its sealability drops, the continuous twist movable ring block causes the relative motion of pipeline one pipeline two, and pipeline one and pipeline two are fastened and connected again in this way.

[0017] 2. The end wall of the limiting groove is contacted with the limiting block after the rotation movement of the movable ring block, and the movable ring block has no movable space, so that the movable ring block cannot rotate again, so that the movable ring block will not be separated from the pipeline two installation. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained according to these drawings for the ordinary skilled in the art.

[0019] Figure 1 It is the overall structure perspective drawing of the utility model;

[0020] Figure 2 It is the overall structure explosion drawing of the utility model;

[0021] Figure 3 It is the internal structure perspective drawing of the overall structure (partially cut state) of the utility model;

[0022] Figure 4 It is the internal structure explosion drawing of the movable ring block (partially cut state) of the utility model.

[0023] Explanation of reference signs:

[0024] 1, pipeline one; 101, sealing ring one; 2, pipeline two; 201, sealing ring two; 3, fixed ring block; 4, movable ring block; 5, thread one; 6, thread groove one; 7, thread two; 8, thread groove two; 9, anti-drop assembly; 901, annular groove; 902, small ring block; 903, limiting block; 904, limiting groove. DETAILED DESCRIPTION

[0025] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further introduced in detail in combination with the drawings below.

[0026] The utility model provides a Figures 1-4The illustrated one is convenient to adjust the mechanical seal, including pipeline one 1 and the end wall of pipeline two 2 are fixedly connected with sealing ring one 101 and sealing ring two 201 respectively, and the outer circle of pipeline one 1 is fixedly connected with fixed ring block 3, the outer circle of pipeline two 2 is threadedly connected with movable ring block 4, and movable ring block 4 and fixed ring block 3 are threadedly connected, further comprising:

[0027] Anti-off component 9, the inside of pipeline two 2 is reserved annular groove 901, and the inside of annular groove 901 is rotatably connected with small ring block 902, and the outer wall of small ring block 902 is fixedly connected with limiting block 903, limiting block 903 is movably connected in the limiting groove 904 reserved in the inside of movable ring block 4, so that movable ring block 4 cannot be separated from the installation of pipeline two 2.

[0028] The outer diameter of pipeline one 1 is smaller than the outer diameter of pipeline two 2, which ensures that the movable ring block 4 threadedly connected with the outer circle of pipeline two 2 rotates smoothly and is matched with fixed ring block 3.

[0029] The outer circle of pipeline two 2 is provided with thread one 5, and thread one 5 is threadedly connected with thread groove one 6 reserved in the inner circle of movable ring block 4, and thread groove one 6 is communicated with limiting groove 904, which ensures the stability of the threadedly connected movable ring block 4 and pipeline two 2.

[0030] The opening end wall of fixed ring block 3 is flush with the end wall of pipeline one 1.

[0031] The outer circle of movable ring block 4 is provided with thread two 7, and thread two 7 is threadedly connected with thread groove two 8 reserved in the inside of fixed ring block 3, which ensures that movable ring block 4 and fixed ring block 3 are threadedly connected, so that pipeline one 1 and pipeline two 2 are connected.

[0032] There is a gap between the outer wall of small ring block 902 and the inner wall of thread groove one 6, which ensures that small ring block 902 and limiting block 903 fixedly connected with the outer wall of small ring block 902 do not affect the rotation of movable ring block 4.

[0033] The limiting block 903 is provided with two pieces, and the two limiting blocks 903 are symmetrically arranged with reference to the central axis inside the small ring block 902 as the symmetry axis, and the outer wall of the limiting block 903 is fitted with the inner wall of the limiting groove 904 and is slidably connected, and the two ends of the limiting groove 904 are closed, and after the limiting groove 904 is contacted with the limiting block 903 by rotating the movable ring block 4, the movable ring block 4 has no movable space, so that the movable ring block 4 cannot rotate, so that the movable ring block 4 cannot be separated from the installation of pipeline two 2.

[0034] Working principle: when using a kind of convenient adjustment mechanical seal, first, when needing to be sealed to pipeline one 1 and pipeline two 2, the sealing ring one 101 fixedly connected with the end wall of pipeline one 1 is opposite to the sealing ring two 201 fixedly connected with the end wall of pipeline two 2, the rotation of the movable ring block 4 is twisted, because the outer circle of movable ring block 4 is provided with thread two 7, so there is frictional resistance between hand and movable ring block 4, which makes movable ring block 4 easy to twist, the displacement of movable ring block 4 is synchronized during the rotation of movable ring block 4 connected with pipeline two 2 until it matches with the thread groove two 8 reserved in the inside of fixed ring block 3, continuously twist movable ring block 4, after movable ring block 4 and thread groove two 8 realize threaded connection, ensure the connection of pipeline one 1 and pipeline two 2, in the case of long service time of sealing ring, continuously twist movable ring block 4 makes pipeline one 1 and pipeline two 2 move towards each other, so that pipeline one 1 and pipeline two 2 are re-tightened, and pipeline one 1 and pipeline two 2 will not be disconnected.

[0035] At the same time, during the rotation of movable ring block 4, small ring block 902 and limiting block 903 fixedly connected with the outer wall of small ring block 902 rotate synchronously in annular groove 901, after the rotation of movable ring block 4 makes the end wall of limiting groove 904 contact with limiting block 903, movable ring block 4 has no movable space, so movable ring block 4 cannot rotate again, so that movable ring block 4 will not be separated from pipeline two 2.

[0036] The above only describes some exemplary embodiments of the present application by way of illustration, without doubt, for ordinary skilled in the art, without departing from the spirit and scope of the present application, the described embodiments can be modified in various ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as limiting the scope of protection of the present application.

Claims

1. An easily adjustable mechanical seal, comprising a conduit (1), characterized in that, The end walls of pipe one (1) and pipe two (2) are respectively fixedly connected with sealing ring one (101) and sealing ring two (201), and pipe one (1) and pipe two (2) are movably connected. The outer ring of pipe one (1) is fixedly fitted with a fixed ring block (3), and the outer ring of pipe two (2) is threadedly connected with a movable ring block (4), and the movable ring block (4) and the fixed ring block (3) are threadedly connected. The system also includes: The anti-detachment component (9) has an annular groove (901) reserved inside the second pipe (2), and a small ring block (902) is rotatably connected inside the annular groove (901). A limiting block (903) is fixedly connected to the outer wall of the small ring block (902). The limiting block (903) is movably connected to the limiting groove (904) reserved inside the movable ring block (4).

2. The easily adjustable mechanical seal according to claim 1, characterized in that, The outer diameter of pipe one (1) is smaller than the outer diameter of pipe two (2).

3. The easily adjustable mechanical seal according to claim 1, characterized in that, The outer ring of the second pipe (2) is provided with thread one (5), and thread one (5) is threadedly connected to the thread groove one (6) reserved in the inner ring of the movable ring block (4). Thread groove one (6) is connected to the limiting groove (904).

4. The easily adjustable mechanical seal according to claim 1, characterized in that, The open end wall of the fixed ring block (3) is flush with the end wall of the pipe (1).

5. The easily adjustable mechanical seal according to claim 1, characterized in that, The outer ring of the movable ring block (4) is provided with thread two (7), and thread two (7) is threadedly connected to the threaded groove two (8) reserved inside the fixed ring block (3).

6. The easily adjustable mechanical seal according to claim 1, characterized in that, There is a gap between the outer wall of the small ring block (902) and the inner wall of the threaded groove (6).

7. The easily adjustable mechanical seal according to claim 1, characterized in that, The limiting block (903) is provided in two pieces. The two limiting blocks (903) are symmetrically arranged with reference to the central axis of the small ring block (902) as the axis of symmetry. The outer wall of the limiting block (903) is attached to the inner wall of the limiting groove (904) to achieve a sliding connection. Both ends of the limiting groove (904) are closed.

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