Brand-new oil leakage prevention sealing assembly device

Abstract

The utility model relates to a brand-new oil leakage prevention sealing assembly device which comprises a base, a nut, an expansion pressing ring and a sealing rubber ring. A first clamping ring is arranged in the base, a first clamping groove with an upward groove opening is formed in the first clamping ring, and the bottom of the sealing rubber ring is clamped into the first clamping groove; a second clamping ring is arranged on the inner wall of the nut, a second clamping groove with a downward groove opening is formed in the second clamping ring, and the top of the sealing rubber ring is clamped into the second clamping groove; the expansion pressing ring is arranged in the sealing rubber ring; the top of the base is provided with external threads, and when the nut is in threaded connection with the base, the two ends of the sealing rubber ring are clamped into the first clamping groove and the second clamping groove correspondingly. The first clamping groove and the second clamping groove are used for fixing the two ends of the sealing rubber ring, so that the sealing effect of the two ends of the sealing rubber ring is better. The expansion pressing ring expands in the sealing rubber ring, so that the sealing rubber ring is pressed to the inner side of the base. The sealing structure is good in sealing effect and simple in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing, in particular to a brand-new sealing component device for preventing oil leakage. Background Art

[0002] In the current era of rapid development of production technology, with the continuous development of modern technology, there are many oil system equipment and measuring components involved in the on-site operation equipment of thermal power plants. These components are used for turbine vibration measurement, turbine bearing temperature measurement, and important auxiliary bearing temperature measurement, etc. These components are usually installed using simple original measuring element devices, and finally prevent oil leakage by injecting oil-resistant sealant. According to our experience of many years of on-site use, this simple method of preventing oil leakage of measuring components is very ineffective, and a large number of equipment hidden dangers and defects are often generated in the later maintenance work. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a new type of oil leakage prevention sealing component device to solve the problem of poor sealing effect of existing sealing parts.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a new type of oil leakage prevention sealing component device, comprising a base, a nut, an expansion compression ring and a sealing rubber ring;

[0006] A first clamping ring is provided inside the base, a first clamping groove with an upward notch is provided inside the first clamping ring, and the bottom of the sealing rubber ring is clamped into the first clamping groove;

[0007] A second clamping ring is provided on the inner wall of the nut, a second clamping groove with a notch downward is provided in the second clamping ring, and the top of the sealing rubber ring is clamped into the second clamping groove;

[0008] The expansion and compression ring is arranged inside the sealing rubber ring;

[0009] The top of the base is provided with an external thread. When the nut is threadedly connected to the base, two ends of the sealing rubber ring are respectively clamped into the first clamping groove and the second clamping groove.

[0010] In one embodiment of the application, a trigger tube with a conical outer wall is provided on the inner side of the nut, and the trigger tube is used to expand the expansion and compression ring to press the sealing rubber ring against the inner wall of the base.

[0011] In one embodiment of the application, the expansion and compression ring is a spiral elastic metal strip.

[0012] In one embodiment of the application, the bottom and top cross-sections of the sealing rubber ring are both conical.

[0013] In one embodiment of the application, a first external threaded tube for connecting to external components is provided at the bottom of the base, and a second external threaded tube for connecting to external components is provided at the top of the nut.

[0014] In one embodiment of the application, the sealing rubber ring is a perfluoro rubber ring.

[0015] The beneficial effects of the utility model are as follows: the utility model is a new type of oil leakage prevention sealing assembly device, including a base, a nut, an expansion and clamping ring and a sealing rubber ring; a first clamping ring is provided inside the base, a first clamping groove with a notch facing upward is provided inside the first clamping ring, and the bottom of the sealing rubber ring is clamped into the first clamping groove; a second clamping ring is provided on the inner wall of the nut, a second clamping groove with a notch facing downward is provided inside the second clamping ring, and the top of the sealing rubber ring is clamped into the second clamping groove; the expansion and clamping ring is arranged inside the sealing rubber ring; an external thread is provided on the top of the base, and when the nut is threadedly connected to the base, the two ends of the sealing rubber ring are respectively clamped into the first clamping groove and the second clamping groove. The present application utilizes the first clamping groove and the second clamping groove to fix the two ends of the sealing rubber ring, so that the sealing effect of the two ends of the sealing rubber ring is better. In addition, the present application also utilizes the expansion and clamping ring to expand inside the sealing rubber ring, so as to press the sealing rubber ring to the inner side of the base. The present application has good sealing effect, simple structure and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the expanded structure of a new type of oil leakage prevention sealing component device of the utility model;

[0018] Figure 2 This is a cross-sectional view of a completely new type of oil leakage prevention sealing component device of the utility model;

[0019] Figure 3 It is a cross-sectional view of the nut of the utility model;

[0020] Figure 4 It is a cross-sectional view of the base of the utility model;

[0021] 1-base, 11-first clamping ring, 12-first clamping groove, 2-nut, 21-second clamping ring, 22-second clamping groove, 23-trigger tube, 3-expansion compression ring, 4-sealing rubber ring. DETAILED DESCRIPTION

[0022] The following describes the implementation of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features in the embodiments can be combined with each other without conflict.

[0023] It should be noted that the illustrations provided in the following embodiments are only used to schematically illustrate the basic concept of the present invention. Therefore, the drawings only show the layers related to the present invention rather than being drawn according to the number, shape and size of the layers in actual implementation. In actual implementation, the type, quantity and proportion of each layer may be changed arbitrarily, and the layer layout may also be more complicated.

[0024] In the following description, numerous details are discussed to provide a more thorough explanation of the embodiments of the present invention; however, it is obvious to those skilled in the art that the embodiments of the present invention can be implemented without these specific details.

[0025] like Figure 1-Figure 4 As shown, the present application includes a base 1, a nut 2, an expansion and compression ring 3 and a sealing rubber ring 4;

[0026] A first clamping ring 11 is provided inside the base 1, and a first clamping groove 12 with an upward notch is provided inside the first clamping ring 11, and the bottom of the sealing rubber ring 4 is clamped into the first clamping groove 12;

[0027] The inner wall of the nut 2 is provided with a second clamping ring 21, and the second clamping ring 21 is provided with a second clamping groove 22 with a notch downward, and the top of the sealing rubber ring 4 is clamped into the second clamping groove 22;

[0028] The expansion and compression ring 3 is arranged inside the sealing rubber ring 4;

[0029] The top of the base 1 is provided with an external thread. When the nut 2 is threadedly connected to the base 1 , two ends of the sealing rubber ring 4 are respectively inserted into the first clamping groove 12 and the second clamping groove 22 .

[0030] A trigger tube 23 with a conical outer wall is provided on the inner side of the nut 2 , and the trigger tube 23 is used to expand the expansion and compression ring 3 so as to press the sealing rubber ring 4 onto the inner wall of the base 1 .

[0031] The expansion and compression ring 3 is a spiral elastic metal strip.

[0032] The bottom and top cross sections of the sealing rubber ring 4 are both conical, so that the bottom and top of the sealing rubber ring 4 are more tightly connected with the first clamping groove 12 and the second clamping groove 22 .

[0033] The bottom of the base 1 is provided with a first external threaded tube 13 for connecting external components, and the top of the nut 2 is provided with a second external threaded tube 22 for connecting external components.

[0034] The sealing rubber ring 4 is a perfluoro rubber ring.

[0035] The specific implementation process of this application is as follows:

[0036] Place the sealing rubber ring 4 between the base 1 and the nut 2, and place the expansion and tightening ring 3 inside the sealing rubber ring 4;

[0037] The nut 2 is mounted on the base 1. When the nut 2 is turned, the upper and lower ends of the sealing rubber ring 4 are respectively inserted into the second clamping groove 22 and the first clamping groove 12. The trigger tube 23 expands the expansion and compression ring 3, and the sealing rubber ring 4 is pressed against the inner wall of the base 1.

[0038] This application is suitable for use in a wide variety of oil system measuring element devices on site, and can effectively solve the problem of oil leakage after the measuring element is installed. Reduce the workload of thermal control maintenance personnel and eliminate the hidden danger of burning bearings caused by oil leakage. Installing a new type of oil leakage prevention sealing component device will be used repeatedly, which will save a lot of manpower and material resources and save economic costs.

[0039] In the above embodiments, although the utility model has been described in conjunction with the specific embodiments of the utility model, many replacements, modifications and variations of these embodiments will be apparent to those of ordinary skill in the art based on the foregoing description. The embodiments of the utility model are intended to cover all such replacements, modifications and variations that fall within the broad scope of the appended claims.

[0040] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A new type of oil leakage prevention sealing component device, characterized in that: It comprises a base (1), a nut (2), an expansion and compression ring (3) and a sealing rubber ring (4); A first clamping ring (11) is provided inside the base (1), a first clamping groove (12) with an upward notch is provided inside the first clamping ring (11), and the bottom of the sealing rubber ring (4) is clamped into the first clamping groove (12); A second clamping ring (21) is provided on the inner wall of the nut (2), a second clamping groove (22) with a notch facing downward is provided in the second clamping ring (21), and the top of the sealing rubber ring (4) is clamped into the second clamping groove (22); The expansion and compression ring (3) is arranged inside the sealing rubber ring (4); The top of the base (1) is provided with an external thread, and when the nut (2) is threadedly connected to the base (1), the two ends of the sealing rubber ring (4) are respectively clamped into the first clamping groove (12) and the second clamping groove (22).

2. A novel oil leakage preventing sealing assembly device according to claim 1, characterized in that: A trigger tube (23) with a conical outer wall is provided on the inner side of the nut (2). The trigger tube (23) is used to expand the expansion and compression ring (3) so as to press the sealing rubber ring (4) onto the inner wall of the base (1).

3. A novel oil leakage preventing sealing assembly device according to claim 1, characterized in that: The expansion and compression ring (3) is a spiral elastic metal strip.

4. A novel oil leakage preventing sealing assembly device according to claim 1, characterized in that: The bottom and top cross-sections of the sealing rubber ring (4) are both conical.

5. A novel oil leakage preventing sealing assembly device according to claim 1, characterized in that: The bottom of the base (1) is provided with a first external threaded tube (13) for connecting to external components, and the top of the nut (2) is provided with a second external threaded tube (22) for connecting to external components.

6. A novel oil leakage preventing sealing assembly device according to claim 1, characterized in that: The sealing rubber ring (4) is a perfluoro rubber ring.

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