Mounting tool for mounting sealing gasket at end part of tubular part

Abstract

The utility model relates to a mounting tool for mounting a sealing gasket at the end part of a tubular part, the peripheral wall of the tubular part is provided with an annular groove for mounting the sealing gasket, the mounting tool comprises a base, a rolling wheel, a rotating shaft and a bearing, the base comprises a connecting rod, the bearing is arranged in the base, and the rolling wheel is arranged in the connecting rod. The rotating shaft is installed in the bearing, the rolling wheel is fixed to the rolling wheel, the rolling wheel and the rolling wheel are kept coaxial, the thickness of the wheel edge of the rolling wheel is smaller than the width of the annular groove, and the rolling wheel can stretch into the annular groove. The rolling wheel moves in the annular groove of the tubular part for a circle, the sealing gasket is pressed in the annular groove through rolling of the rolling wheel, the pressing effect is good, and the working efficiency and the mounting quality are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of parts assembly, in particular to an installation tool for installing a sealing gasket at the end of a tubular part. Background Art

[0002] Tubular parts such as vent pipes are common parts in the aviation field. When assembling the vent pipe, it is necessary to fix the sealing gasket at the end of the vent pipe to further improve the sealing effect. See the attached Figure 1 As shown in the figure, an annular groove is processed on the outer wall of the vent pipe. The structure of the sealing gasket is shown in the attached Figure 2 As shown, the sealing gasket is roughly cylindrical and is mounted on the end of the ventilation pipe. The existing installation method usually relies on a fitter to manually embed the edge of the sealing gasket into the annular groove and fix it to the ventilation pipe. This manual installation method has a large labor load, low work efficiency, poor fit, and unsatisfactory effect. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the technical problem to be solved by the present invention is to provide an installation tool for installing sealing gaskets at the ends of tubular parts, which can improve the installation efficiency and improve the installation quality.

[0004] To achieve the above-mentioned purpose, the utility model provides an installation tool for installing a sealing gasket at the end of a tubular part, wherein an annular groove for installing the sealing gasket is provided on the outer peripheral wall of the tubular part, and the installation tool comprises a base, a rolling wheel, a rotating shaft and a bearing, the base comprises a connecting rod, the bearing is installed in the base, the rotating shaft is installed in the bearing, the rolling wheel is fixed on the rolling wheel and the two remain coaxial, the thickness of the rolling wheel edge is less than the width of the annular groove, and can extend into the annular groove.

[0005] Furthermore, the base includes a main seat portion and a pressure plate, the connecting rod is fixedly connected to the main seat portion, a receiving groove cavity is opened in the main seat portion, the bearing is located at the notch of the receiving groove cavity, the pressure plate is fixedly connected to the main seat portion and fixes and presses the bearing in the main seat portion, one end of the rotating shaft is fixedly connected to the rolling wheel, and the other end is located in the receiving groove cavity.

[0006] Further, the rotating shaft includes a connecting shaft section, a limiting shaft section and a threaded shaft section, and the limiting shaft section and the threaded shaft section are located at both end sides of the connecting shaft section, the outer diameter of the limiting shaft section is larger than the outer diameter of the connecting shaft section, and the outer diameter of the threaded shaft section is smaller than the outer diameter of the connecting shaft section, the connecting shaft section is inserted into the bearing, and the limiting shaft section abuts against one end of the bearing, and a locking nut is threaded on the threaded shaft section, and the locking nut abuts against the other end of the bearing.

[0007] Furthermore, the pressure plate of the base is fixedly connected to the main seat portion by bolts.

[0008] Furthermore, the axes of the rolling wheel and the rotating shaft are perpendicular to the connecting rod.

[0009] Furthermore, the bottom surface of the annular groove on the tubular part is in an arc shape, and the wheel edge surface of the rolling wheel is in an arc shape, and its radius is smaller than the bottom surface of the annular groove.

[0010] Furthermore, the rolling wheel and the rotating shaft are an integrated structure.

[0011] The installation tool of the utility model has the following beneficial effects:

[0012] The lathe can be used to operate the installation tool to rotate, and the rolling wheel can be used to move one circle in the annular groove of the tubular part. The sealing gasket can be pressed in the annular groove by the rolling of the rolling wheel, and the pressing effect is good. Compared with the existing manual operation method, the work efficiency and installation quality are improved, and the problem of difficulty in installing sealing gaskets on similar parts is solved. The rolling wheel width can be adjusted to use it on different parts. The structure is simple and the use is flexible and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Schematic diagram of installing a gasket on the end of a tubular part.

[0014] Figure 2 A schematic diagram of the structure of the sealing gasket.

[0015] Figure 3 It is a structural schematic diagram of the installation tool of the utility model.

[0016] Figure 4 It is a structural schematic diagram of the main seat part and the connecting rod of the base in the utility model.

[0017] Figure 5 for Figure 4 Top view of the .

[0018] Figure 6 It is a schematic diagram of the structure of the pressing plate of the base in the utility model.

[0019] Figure 7 It is a schematic structural diagram of the rolling wheel and the rotating shaft in the utility model.

[0020] Description of Figure Numbers

[0021] 1 Base

[0022] 11 Connecting rod

[0023] 12 Main seat

[0024] 13. Pressure plate

[0025] 131 Stepped inner hole

[0026] 14 Accommodating groove cavity

[0027] 15 Bolt

[0028] 16 threaded holes

[0029] 2 Rotation axes

[0030] 21 Connecting shaft segments

[0031] 22 Limiting shaft segment

[0032] 23 Threaded shaft segment

[0033] 3 Rolling wheels

[0034] 4 Bearings

[0035] 5 Lock nut

[0036] 6 Gasket

[0037] 7 Tubular parts

[0038] 71 Annular groove

[0039] 8 Gasket DETAILED DESCRIPTION

[0040] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0042] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] like Figures 1 to 7 As shown, the utility model provides an installation tool for installing a sealing gasket at the end of a tubular part. An annular groove 71 for installing the sealing gasket 8 is provided on the outer peripheral wall of the tubular part 7. The installation tool includes a base 1, a rolling wheel 3, a rotating shaft 2 and a bearing 4. The base 1 includes a connecting rod 11. The bearing 4 is installed in the base 1. The rotating shaft 2 is installed in the bearing 4. The rolling wheel 3 is fixed on the rolling wheel 3 and the two are kept coaxial. The thickness of the rolling wheel 3 is less than the width of the annular groove 71, and the rolling wheel 3 can extend into the annular groove 71.

[0045] The basic working principle of the installation tool of the utility model is as follows: the installation tool can be used for installing the sealing gasket 8 at the end of the tubular part 7 such as the vent pipe, the thickness of the rolling wheel 3 is designed according to the width of the annular groove 71, and it is required to be able to extend into the annular groove 71, and the rolling wheel 3 can rotate freely relative to the base 1 through the rotating shaft 2 and the bearing 4. During installation, the installation tool is fixedly connected to the lathe through the connecting rod 11 of the base 1, the tubular part 7 is installed on the lathe, the sealing gasket 8 is sleeved on the end of the tubular part 7 and extends to the annular groove 71, the wheel edge of the rolling wheel 3 of the installation tool is inserted into the annular groove 71 and pressed against the sealing gasket 8, the lathe is started, and the rolling wheel 3 is controlled to move around the annular groove 71 for one circle, and the rolling wheel 3 rolls in the annular groove 71 while moving, so that the part of the sealing gasket 8 located in the annular groove 71 is well pressed in the annular groove 71, and a good fit is maintained. Compared with the existing method of manually assembling the sealing gasket 8 by a fitter, the installation efficiency and quality can be effectively improved.

[0046] like Figures 3 to 7 As shown, the utility model is further described below with a specific embodiment:

[0047] In this embodiment, if Figure 2 and Figure 3As shown, as a preferred design, the base 1 includes a main seat 12 and a pressure plate 13, the connecting rod 11 is fixedly connected to the main seat 12, a receiving groove 14 is provided in the main seat 12, the bearing 4 is located at the notch of the receiving groove 14, the pressure plate 13 is fixedly connected to the main seat 12, and the bearing 4 is fixedly pressed in the main seat 12, one end of the rotating shaft 2 is fixedly connected to the rolling wheel 3, and the other end is located in the receiving groove 14. Among them, a through stepped inner hole 131 is provided in the middle of the pressure plate 13, the pressure plate 13 is sleeved on the rotating shaft 2 through the stepped inner hole 131, and is pressed on the outer ring of the bearing 4, so as to fix the bearing 4 in the base 1. The above method can facilitate the installation and disassembly of the rotating shaft 2 and the bearing 4 on the base 1, and facilitate replacement.

[0048] In this embodiment, if Figure 3 , Figure 4 and Figure 5 As shown, as a preferred design, the pressure plate 13 is fixedly connected to the main seat portion 12 by a plurality of bolts 15. The main seat portion 12 is provided with a plurality of threaded holes 16 arranged in a circular array around the axis of the bearing 4. The bolts 15 pass through the pressure plate 13 and are screwed into the threaded holes 16. The connection is stable and convenient for disassembly and assembly.

[0049] In this embodiment, if Figure 2 and Figure 3 As shown, as a preferred design, the rotating shaft 2 is a stepped shaft, which includes a connecting shaft section 21, a limiting shaft section 22 and a threaded shaft section 23. The limiting shaft section 22 and the threaded shaft section 23 are located at both end sides of the connecting shaft section 21. The outer diameter of the limiting shaft section 22 is larger than the outer diameter of the connecting shaft section 21. The threaded shaft section 23 is provided with an external thread, and its outer diameter is smaller than the outer diameter of the connecting shaft section 21. The connecting shaft section 21 is inserted into the bearing 4, and the two are clearance-fitted to maintain coaxiality. The limiting shaft section 22 abuts against one end of the bearing 4, and a locking nut 5 is threaded on the threaded shaft section 23, and the locking nut 5 abuts against the other end of the bearing 4 through a gasket 6, and the locking nut 5 is located in the accommodating groove cavity 14. During assembly, the rotating shaft 2 is inserted into the inner ring of the bearing 4 through the threaded shaft section 23 on the rear end side until the limiting shaft section 22 abuts against the end face of the bearing 4, and the connecting shaft section 21 is located in the inner ring of the bearing 4. Then the locking nut 5 is screwed on the threaded shaft section 23 and pressed on the other end of the bearing 4. Through the angle fixing effect of the limiting shaft section 22 and the locking nut 5, the rotating shaft 2 is stably clamped and fixed in the bearing 4, and can rotate smoothly through the bearing 4.

[0050] In this embodiment, if Figure 2 and Figure 3As shown, as a preferred design, the connecting rod 11 of the base 1 is integrated with the main seat 12, and of course, it can also be two blocks and connected by loosening and fixing through welding. The length of the connecting rod 11 can be set according to actual needs, and the connecting rod 11 is preferably perpendicular to the axis of the rotating shaft 2, so as to facilitate the installation and positioning of the angle position of the rolling wheel 3 on the lathe.

[0051] In this embodiment, if Figure 2 and Figure 3 As shown, as a preferred design, the bottom surface of the annular groove 71 on the tubular part 7 is in an arc shape, and the wheel edge surface of the rolling wheel 3 is in an arc shape, and its radius is smaller than the bottom surface of the annular groove 71, which can be determined according to the radius of the annular groove 71 and the wall thickness of the sealing gasket 8. When the rolling wheel 3 is pressed tightly in the annular groove 71, the wheel edge surface of the rolling wheel 3 can better press the sealing gasket 8 to fit the bottom surface of the annular groove 71. In this embodiment, preferably, the rolling wheel 3 and the rotating shaft 2 are an integrated structure.

[0052] The installation tool of the utility model has the following beneficial effects:

[0053] The lathe can be used to operate the installation tool to rotate, and the rolling wheel 3 can be used to move one circle in the annular groove 71 of the tubular part 7. The sealing gasket 8 is pressed in the annular groove 71 by the rolling of the rolling wheel 3, and the pressing effect is good. Compared with the existing manual operation method, the work efficiency and installation quality are improved, and the problem of difficulty in installing the sealing gasket 8 on similar parts is solved. The width of the rolling wheel 3 can be adjusted to use it on different parts. The structure is simple and the use is flexible and convenient.

[0054] In summary, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0055] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A tool for installing a sealing gasket at the end of a tubular part, wherein an annular groove (71) for installing a sealing gasket (8) is provided on the outer peripheral wall of the tubular part (7), characterized in that: The installation tool comprises a base (1), a rolling wheel (3), a rotating shaft (2) and a bearing (4); the base (1) comprises a connecting rod (11); the bearing (4) is installed in the base (1); the rotating shaft (2) is installed in the bearing (4); the rolling wheel (3) is fixed on the rolling wheel (3) and the two are kept coaxial; the thickness of the rolling wheel (3) is smaller than the width of the annular groove (71) and the rolling wheel (3) can extend into the annular groove (71).

2. The installation tool according to claim 1, characterized in that: The base (1) comprises a main seat (12) and a pressure plate (13); the connecting rod (11) is fixedly connected to the main seat (12); a receiving groove cavity (14) is provided in the main seat (12); the bearing (4) is located at the notch of the receiving groove cavity (14); the pressure plate (13) is fixedly connected to the main seat (12) and fixes and presses the bearing (4) in the main seat (12); one end of the rotating shaft (2) is fixedly connected to the rolling wheel (3), and the other end is located in the receiving groove cavity (14).

3. The installation tool according to claim 2, characterized in that: The rotating shaft (2) comprises a connecting shaft section (21), a limiting shaft section (22) and a threaded shaft section (23), and the limiting shaft section (22) and the threaded shaft section (23) are located at both end sides of the connecting shaft section (21), the outer diameter of the limiting shaft section (22) is larger than the outer diameter of the connecting shaft section (21), and the outer diameter of the threaded shaft section (23) is smaller than the outer diameter of the connecting shaft section (21), the connecting shaft section (21) is inserted into the bearing (4), and the limiting shaft section (22) abuts against one end of the bearing (4), and a locking nut (5) is threadedly connected to the threaded shaft section (23), and the locking nut (5) abuts against the other end of the bearing (4).

4. The installation tool according to claim 2, characterized in that: The pressing plate (13) of the base (1) is fixedly connected to the main seat portion (12) by means of bolts (15).

5. The installation tool according to claim 1, characterized in that: The axes of the rolling wheel (3) and the rotating shaft (2) are perpendicular to the connecting rod (11).

6. The installation tool according to claim 1, characterized in that: The bottom surface of the annular groove (71) on the tubular part (7) is in the shape of an arc, and the wheel edge surface of the rolling wheel (3) is in the shape of an arc, and its radius is smaller than the bottom surface of the annular groove (71).

7. The installation tool according to claim 1, characterized in that: The rolling wheel (3) and the rotating shaft (2) are an integrated structure.

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