High-sealing-performance device for connecting pipe at engine

Abstract

The utility model discloses a high sealing device for a connecting pipe at an engine, which comprises a mounting head, the right side of the mounting head is fixedly connected with a fixing ring I, the surface of the fixing ring I is slidably connected with a circular plate, and the right side of the circular plate is fixedly connected with a screw sleeve. By rotating the circular plate, the circular plate drives the threaded sleeve to rotate, the threaded sleeve drives the locking sleeve to move rightwards, the locking sleeve drives the first locking ring to move rightwards, the locking sleeve drives the second locking ring to move rightwards, the first locking ring and the second locking ring are both separated from the surface of the connecting pipe, and tight connection between the connecting pipe and the connecting plug is lost. The connecting pipe is pulled towards the right side, the connecting pipe is separated from the surface of the connecting plug, and the connecting pipe is separated from the mounting head, during mounting, the dismounting steps are operated reversely, the mounting device has the advantage of being convenient to mount, in the mounting process of the high-sealing device, tools are not needed, a user can mount the high-sealing device with bare hands, and the mounting efficiency is improved. And the installation convenience of the high-sealing device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of engine connecting pipe sealing, in particular to a high-sealing device for an engine connecting pipe. Background Art

[0002] The connecting pipe at the engine requires a high-sealing device during the connection and installation process. The traditional high-sealing device needs to be twisted and installed using a tool during the installation process. When the connecting pipe is located in a narrow space, the twisting tool cannot rotate in the narrow space and the high-sealing device cannot be effectively installed, reducing the installation convenience of the high-sealing device.

[0003] Therefore, it is necessary to redesign the high-sealing device of the connecting pipe at the engine to effectively prevent the phenomenon of large installation limitations. Utility Model Content

[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a high-sealing device for the connecting pipe at the engine, which has the advantage of convenient installation and solves the problem that the high-sealing device needs to be screwed and installed with tools during installation. When the connecting pipe is located in a narrow space, the screwing tool cannot rotate in the narrow space, and the high-sealing device cannot be effectively installed, which reduces the convenience of installation of the high-sealing device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high sealing device for a connecting pipe at an engine, comprising a mounting head, a fixing ring 1 being fixedly connected to the right side of the mounting head, a circular plate being slidably connected to the surface of the fixing ring 1, a screw sleeve being fixedly connected to the right side of the circular plate, a locking sleeve being threadedly connected to the inner part of the screw sleeve, a plug connector being fixedly connected to the right side of the mounting head, the plug connector being located inside the locking sleeve, a connecting pipe being sleeved on the surface of the plug connector, and a sealing mechanism being arranged inside the locking sleeve.

[0006] As a preferred embodiment of the utility model, the sealing mechanism includes a locking ring 1, which is fixedly connected to the right side of the inner wall of the locking sleeve, the inner wall of the locking ring 1 contacts the surface of the connecting pipe, the surface of the plug connector is fixedly connected with an expansion ring, the surface of the expansion ring contacts the inner wall of the connecting pipe, and a locking ring 2 is provided on the outer side of the expansion ring, the surface of the locking ring 2 is fixedly connected to the inner wall of the locking sleeve, and the inner wall of the locking ring 2 contacts the surface of the connecting pipe.

[0007] As a preferred embodiment of the utility model, a reinforcement ring is fixedly connected to the right side of the locking ring 2, and the surface of the reinforcement ring is fixedly connected to the inner wall of the locking sleeve.

[0008] As a preferred embodiment of the utility model, a reinforcement ring is fixedly connected to the right side of the locking sleeve, and a surface of the reinforcement ring is fixedly connected to a surface of the locking ring.

[0009] As a preferred embodiment of the utility model, a reinforcement sleeve is fixedly connected to the surface of the screw sleeve, and the left side of the reinforcement sleeve is fixedly connected to the right side of the circular plate.

[0010] As a preferred embodiment of the present invention, a rotating rod is fixedly connected to the right side of the circular plate, and the number of the rotating rods is several and the several rotating rods are distributed at equal distances.

[0011] As a preferred embodiment of the utility model, a fixing ring 2 is arranged on the outer side of the fixing ring 1, the surface of the fixing ring 2 is fixedly connected to the right side of the mounting head, and the fixing ring 2 is slidably connected to the inside of the circular plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model rotates the circular plate, and the circular plate drives the screw sleeve to rotate, and the screw sleeve drives the locking sleeve to move to the right, and the locking sleeve drives the locking ring 1 to move to the right, and the locking sleeve drives the locking ring 2 to move to the right, and the locking ring 1 and the locking ring 2 are separated from the surface of the connecting pipe, and the tight connection between the connecting pipe and the plug joint is also lost. The connecting pipe is pulled to the right, and the connecting pipe is separated from the surface of the plug joint, and the separation of the connecting pipe and the mounting head is completed. During installation, the above-mentioned disassembly steps can be reversed, which has the advantage of convenient installation. During the installation process of the high-sealing device, no tools are required, and the user can install it with bare hands, which improves the convenience of installation of the high-sealing device.

[0014] 2. The utility model can tightly connect the plug connector and the connecting pipe by providing a sealing mechanism, thereby avoiding a gap between the connecting pipe and the plug connector and improving the connection stability between the connecting pipe and the mounting head. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a three-dimensional cross-sectional view of the mounting head of the utility model;

[0017] Figure 3 It is a three-dimensional cross-sectional view of the screw sleeve of the utility model;

[0018] Figure 4 It is a three-dimensional cross-sectional view of the plug connector of the utility model;

[0019] Figure 5 For this utility model Figure 2 The structure diagram at A is enlarged;

[0020] Figure 6 For this utility model Figure 2 Enlarged structural diagram at point B in the middle.

[0021] In the figure: 1. mounting head; 2. fixing ring 1; 3. round plate; 4. screw sleeve; 5. locking sleeve; 6. plug connector; 7. connecting pipe; 8. sealing mechanism; 81. locking ring 1; 82. expansion ring; 83. locking ring 2; 9. reinforcement ring; 10. reinforcement ring; 11. reinforcement sleeve; 12. rotating rod; 13. fixing ring 2. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 6 As shown, the utility model provides a high sealing device for a connecting pipe at an engine, comprising a mounting head 1, a fixing ring 2 is fixedly connected to the right side of the mounting head 1, a circular plate 3 is slidably connected to the surface of the fixing ring 2, a screw sleeve 4 is fixedly connected to the right side of the circular plate 3, a locking sleeve 5 is threadedly connected to the inner part of the screw sleeve 4, a plug connector 6 is fixedly connected to the right side of the mounting head 1, the plug connector 6 is located inside the locking sleeve 5, a connecting pipe 7 is sleeved on the surface of the plug connector 6, and a sealing mechanism 8 is arranged inside the locking sleeve 5.

[0024] refer to Figure 5 The sealing mechanism 8 includes a locking ring 81, which is fixedly connected to the right side of the inner wall of the locking sleeve 5, and the inner wall of the locking ring 81 contacts the surface of the connecting pipe 7. A spreading ring 82 is fixedly connected to the surface of the plug connector 6, and the surface of the spreading ring 82 contacts the inner wall of the connecting pipe 7. A locking ring 83 is arranged on the outer side of the spreading ring 82, and the surface of the locking ring 83 is fixedly connected to the inner wall of the locking sleeve 5, and the inner wall of the locking ring 83 contacts the surface of the connecting pipe 7.

[0025] As a technical optimization solution of the utility model, by providing a sealing mechanism 8, the plug connector 6 and the connecting tube 7 can be tightly connected to avoid a gap between the connecting tube 7 and the plug connector 6, thereby improving the connection stability between the connecting tube 7 and the mounting head 1.

[0026] refer to Figure 4 A reinforcing ring 9 is fixedly connected to the right side of the locking ring 83 , and a surface of the reinforcing ring 9 is fixedly connected to the inner wall of the locking sleeve 5 .

[0027] As a technical optimization solution of the utility model, by setting a reinforcement ring 9, the connection between the locking ring 2 83 and the locking sleeve 5 can be reinforced to avoid breakage of the locking ring 2 83 and the locking sleeve 5 during use, prevent the locking ring 2 83 and the locking sleeve 5 from failing to cooperate, and improve the use effect of the locking ring 2 83 and the locking sleeve 5.

[0028] refer to Figure 4 A reinforcement ring 10 is fixedly connected to the right side of the locking sleeve 5, and the surface of the reinforcement ring 10 is fixedly connected to the surface of the locking ring 81.

[0029] As a technical optimization solution of the utility model, by providing a reinforcement ring 10, the connection between the locking sleeve 5 and the locking ring 81 can be reinforced to prevent the locking sleeve 5 and the locking ring 81 from breaking during use, prevent the locking sleeve 5 and the locking ring 81 from failing to cooperate, and improve the use effect of the locking sleeve 5 and the locking ring 81.

[0030] refer to Figure 5 A reinforcing sleeve 11 is fixedly connected to the surface of the screw sleeve 4 , and the left side of the reinforcing sleeve 11 is fixedly connected to the right side of the circular plate 3 .

[0031] As a technical optimization solution of the utility model, by setting a reinforcement sleeve 11, the connection between the screw sleeve 4 and the circular plate 3 can be reinforced to avoid breakage of the screw sleeve 4 and the circular plate 3 during use, prevent the screw sleeve 4 and the circular plate 3 from being unable to cooperate, and improve the use effect of the screw sleeve 4 and the circular plate 3.

[0032] refer to Figure 5 A rotating rod 12 is fixedly connected to the right side of the circular plate 3. The number of the rotating rods 12 is several, and the several rotating rods 12 are distributed at equal distances.

[0033] As a technical optimization solution of the utility model, by providing the rotating rod 12, it is possible to facilitate the user to rotate the circular plate 3, thereby preventing the circular plate 3 from being difficult to be pinched by the user, resulting in difficulty in rotating the circular plate 3, and improving the rotation efficiency of the circular plate 3.

[0034] refer to Figure 5 A fixing ring 2 13 is arranged on the outer side of the fixing ring 1 2 , the surface of the fixing ring 2 13 is fixedly connected to the right side of the mounting head 1 , and the fixing ring 2 13 is slidably connected to the inside of the circular plate 3 .

[0035] As a technical optimization solution of the utility model, by setting the fixing ring 2 13, the circular plate 3 can be rotationally stabilized to prevent the circular plate 3 from shaking during the rotation and movement, causing the circular plate 3 to loosen, thereby improving the rotation stability of the circular plate 3.

[0036] The working principle and use process of the utility model: when in use, the figure shows the state of tight connection between the installation head 1 and the connecting pipe 7. When the connecting pipe 7 needs to be removed, the circular plate 3 is rotated, and the circular plate 3 drives the screw sleeve 4 to rotate, and the screw sleeve 4 drives the locking sleeve 5 to move to the right, and the locking sleeve 5 drives the locking ring 1 81 to move to the right, and the locking sleeve 5 drives the locking ring 2 83 to move to the right. The locking ring 1 81 and the locking ring 2 83 are both separated from the surface of the connecting pipe 7, and the tight connection between the connecting pipe 7 and the plug connector 6 is also lost. Pull the connecting pipe 7 to the right, and the connecting pipe 7 is detached from the surface of the plug connector 6. The separation of the connecting pipe 7 and the installation head 1 is completed. During installation, the above-mentioned disassembly steps can be reversed, thereby having the advantage of convenient installation.

[0037] To sum up: the high-sealing device of the connecting pipe at the engine solves the problem that during the installation of the high-sealing device, a tool needs to be used for twisting installation through the coordinated use of the mounting head 1, the fixing ring 2, the circular plate 3, the screw sleeve 4, the locking sleeve 5, the plug connector 6, the connecting pipe 7 and the sealing mechanism 8. When the connecting pipe is located in a narrow space, the twisting tool cannot rotate in the narrow space and the high-sealing device cannot be effectively installed, thereby reducing the convenience of installation of the high-sealing device.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high sealing device for a connecting pipe at an engine, comprising a mounting head (1), characterized in that: The right side of the mounting head (1) is fixedly connected to a fixing ring 1 (2), the surface of the fixing ring 1 (2) is slidably connected to a circular plate (3), the right side of the circular plate (3) is fixedly connected to a threaded sleeve (4), the interior of the threaded sleeve (4) is threadedly connected to a locking sleeve (5), the right side of the mounting head (1) is fixedly connected to a plug connector (6), the plug connector (6) is located inside the locking sleeve (5), a connecting pipe (7) is sleeved on the surface of the plug connector (6), and a sealing mechanism (8) is provided inside the locking sleeve (5).

2. A high sealing device for connecting pipes at an engine according to claim 1, characterized in that: The sealing mechanism (8) comprises a locking ring 1 (81), the locking ring 1 (81) being fixedly connected to the right side of the inner wall of the locking sleeve (5), the inner wall of the locking ring 1 (81) being in contact with the surface of the connecting pipe (7), a spreading ring (82) being fixedly connected to the surface of the plug connector (6), the surface of the spreading ring (82) being in contact with the inner wall of the connecting pipe (7), a locking ring 2 (83) being arranged on the outer side of the spreading ring (82), the surface of the locking ring 2 (83) being fixedly connected to the inner wall of the locking sleeve (5), the inner wall of the locking ring 2 (83) being in contact with the surface of the connecting pipe (7).

3. A high sealing device for connecting pipes at an engine according to claim 2, characterized in that: A reinforcement ring (9) is fixedly connected to the right side of the second locking ring (83), and a surface of the reinforcement ring (9) is fixedly connected to the inner wall of the locking sleeve (5).

4. A high sealing device for connecting pipes at an engine according to claim 2, characterized in that: A reinforcement ring (10) is fixedly connected to the right side of the locking sleeve (5), and a surface of the reinforcement ring (10) is fixedly connected to a surface of the first locking ring (81).

5. The high sealing device for connecting pipes at an engine according to claim 1, characterized in that: A reinforcing sleeve (11) is fixedly connected to the surface of the screw sleeve (4), and the left side of the reinforcing sleeve (11) is fixedly connected to the right side of the circular plate (3).

6. The high sealing device for connecting pipes at an engine according to claim 1, characterized in that: A rotating rod (12) is fixedly connected to the right side of the circular plate (3), and there are a plurality of rotating rods (12), which are distributed at equal distances.

7. The high sealing device for connecting pipes at an engine according to claim 1, characterized in that: A second fixing ring (13) is arranged on the outer side of the first fixing ring (2); the surface of the second fixing ring (13) is fixedly connected to the right side of the mounting head (1); and the second fixing ring (13) is slidably connected to the inside of the circular plate (3).

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