CN212931801U - Leakproofness detects assembly - Google Patents
Leakproofness detects assembly Download PDFInfo
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- CN212931801U CN212931801U CN202022390023.1U CN202022390023U CN212931801U CN 212931801 U CN212931801 U CN 212931801U CN 202022390023 U CN202022390023 U CN 202022390023U CN 212931801 U CN212931801 U CN 212931801U
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Abstract
The utility model relates to a leakproofness detects technical field, specifically is a leakproofness detects assembly, assists the technical problem of sealed difficulty between utensil and the product when aiming at solving the product among the background art and carrying out the leakproofness and detect. The following technical scheme is adopted: including the product with assist the utensil, the product is equipped with connecting ring, through-hole and cylinder section, assists the utensil and is equipped with flange, its characterized in that: the diameter of the inner wall of the auxiliary tool is equal to that of the cylindrical section, the inner wall of the opening end of the auxiliary tool is sunken to form a coaxial annular step, the axial length of the annular step is smaller than or equal to that of the cylindrical section, the outer diameter of the annular step is larger than the maximum distance between the through hole and the axis of the product, a hard gasket and an O-shaped sealing ring are sleeved on the cylindrical section, the outer diameter of the hard gasket is equal to that of the annular step, and the O-shaped sealing ring is tensioned in a space formed by the annular step, the hard gasket and the cylindrical section.
Description
Technical Field
The utility model relates to a leakproofness detects technical field, specifically is a leakproofness detects assembly.
Background
As shown in figure 1, the existing product is integrally of a cylindrical structure (namely, a tubular structure), a connecting ring 1 is formed by protruding the outer wall of one end part, a through hole 2 which is axially arranged is formed in the root part of the connecting ring 1, the outer end surface of the connecting ring 1 is uneven, the end part of the product axially protrudes out of the connecting ring 1 to form a cylindrical section 3 with the axial length of 5mm, a sealing assembly is arranged inside the product and comprises a rotating shaft 4 which is coaxially arranged, a bearing 5 is arranged between the rotating shaft 4 and the inner wall of the product, a plurality of check rings 6 are further arranged on one side of the bearing 5 close to the connecting ring 1, and sealing rings 7 are arranged between the check rings 6 or between the check rings 6 and the inner wall of the product. The end part of the product provided with the connecting ring 1 is sealed by the cylindrical auxiliary tool, the auxiliary tool is integrally cylindrical (namely, a structure formed by sealing one end of a tubular structure), a flange 8 is formed by protruding the outer wall of the opening end, a pressurizing hole 12 and a liquid injection exhaust hole are formed in the wall, when the product is detected, the flange 8 is fixedly connected with the connecting ring 1 through a fastener, then high-pressure liquid is injected, and the sealing performance of a sealing assembly in the product is detected. However, the sealing performance between the auxiliary tool and the product must be ensured firstly during detection, so that the sealing performance of the sealing assembly in the product can be accurately detected. The existing sealing means between the assistive device and the product mainly comprises two types: one is to arrange a sealing gasket between the auxiliary tool and the outer end face of the connecting ring 1, but because the connecting ring 1 is provided with the axial through hole 2, the sealing gasket is easy to be extruded into the through hole 2 to be damaged, and the outer end face of the connecting ring 1 is uneven, so that the sealing performance of the sealing gasket is difficult to ensure; another kind is as shown in fig. 2, set up the annular groove on the inner wall of the assistive device, then imbed the O type sealing washer in the annular groove, because the length of the product cylinder section 3 that is protruded outside the connecting ring 1 is 5mm, if the annular groove of processing is located in cylinder section 3 completely, the processing of annular groove is very difficult, if for reducing the processing degree of difficulty, move the annular groove axially outwards, then will have partial recess to be located the outside of product cylinder section 3, the O type sealing washer in it drops easily like this.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving the product among the background art and assist the technical problem of sealed difficulty between utensil and the product when leakproofness detects.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides a leakproofness detects assembly, includes the product and assists the utensil, and the product is equipped with clamping ring, through-hole and cylinder section, assists the utensil and is equipped with flange, its characterized in that: the diameter of the inner wall of the auxiliary tool is equal to that of the cylindrical section, the inner wall of the opening end of the auxiliary tool is sunken to form a coaxial annular step, the axial length of the annular step is smaller than or equal to that of the cylindrical section, the outer diameter of the annular step is larger than the maximum distance between the through hole and the axis of the product (to ensure that the through hole can be completely covered by the hard gasket, otherwise, the outer edge of the hard gasket is suspended and unstable in support), the cylindrical section is sleeved with the hard gasket and the O-shaped sealing ring, the outer diameter of the hard gasket is equal to that of the annular step, and the O-shaped sealing ring is tensioned (namely the O-shaped sealing ring is in contact with two surfaces of the annular step, the hard gasket and the cylindrical section) in a space.
The utility model has the advantages that:
the utility model provides a sealing performance detection assembly, which improves the structure of an auxiliary tool for detection and is additionally provided with a hard gasket, firstly, the hard gasket completely covers the through hole of a product, and the sealing ring is prevented from being extruded into the through hole to cause damage; secondly, the hard gasket can replace the uneven surface of the connecting ring to contact with the sealing ring, so that the sealing property can be ensured; moreover, the auxiliary tool is provided with the annular steps, so that the auxiliary tool is convenient to process, the hard gasket is also convenient to process, and the processing difficulty is greatly reduced, so that the sealing between the product and the auxiliary tool can be easily and reliably realized when the sealing performance of the product is detected.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of the structure of the product of the present invention;
FIG. 2 is a schematic view of a prior art inspection assembly of the present invention;
fig. 3 is a schematic structural diagram of the detection assembly of the present invention.
In the figure:
1 ┄ connecting ring; 2 ┄ through holes; 3 ┄ cylindrical section; 4 ┄ rotating shaft; 5 ┄ bearing; 6 ┄ a retainer ring; 7 ┄ sealing ring; 8 ┄ flange; 9 ┄ annular step; 10 ┄ hard washer; 11 ┄ O-ring seal; 12 ┄ pressurization holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
Referring to fig. 3, the sealing performance detection assembly of the present invention comprises a product and an auxiliary tool, wherein the product is provided with a connecting ring 1, a through hole 2 and a cylindrical section 3, the auxiliary tool is provided with a flange 8, the diameter of the inner wall of the auxiliary tool is equal to the diameter of the cylindrical section 3, the inner wall of the opening end of the auxiliary tool is recessed to form a coaxial annular step 9, the axial length of the annular step 9 is less than or equal to the axial length of the cylindrical section 3, the outer diameter of the annular step 9 is greater than the maximum distance between the through hole 2 and the axis of the product, the cylindrical section 3 is sleeved with a hard gasket 10 and an O-shaped sealing ring, the sleeving is a common design of a person in the field, the inner diameters of the hard gasket 10 and the O-shaped sealing ring 11 are slightly smaller than, equal to or slightly larger than the diameter of the cylindrical section 3, and if the diameter difference is too large, no sleeving relation exists, preferably, the inner diameters of the hard gasket 10 and the O-shaped sealing ring 11 are slightly smaller than the diameter of the cylindrical section 3 and are sleeved on the cylindrical section 3 in an interference manner; the hard washer 10 is made of metal, hard plastic and the like, wherein metal is selected when the bearing pressure is high, and hard plastic is selected when the bearing pressure is low; the outer diameter of the hard gasket 10 is equal to that of the annular step 9, and the O-shaped sealing ring 11 is tightly stretched in a space formed by the annular step 9, the hard gasket 10 and the cylindrical section 3. During the use, overlap stereoplasm packing ring 10 and O type sealing washer 11 on cylinder section 3, stereoplasm packing ring 10 blocks through-hole 2 completely, then passes through the fastener with the flange 8 of assistive device and the connecting ring 1 of product and is connected for O type sealing washer 11 rises and tightly in the space that annular ladder 9, stereoplasm packing ring 10 and cylinder section 3 three formed, accomplishes the sealed between product and the assistive device. During detection, liquid is injected into a space formed by the auxiliary tool and the product through the pressurizing hole, the pressure is gradually increased, and the sealing condition of the product sealing assembly is detected.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (3)
1. The utility model provides a leakproofness detects assembly, includes the product and assists the utensil, and the product is equipped with clamping ring (1), through-hole (2) and cylinder section (3), assists the utensil and is equipped with flange (8), its characterized in that: the inner wall diameter of assisting the utensil equals with cylinder section (3) diameter, the inner wall of the open end of assisting the utensil is sunken to form coaxial annular ladder (9), the axial length of annular ladder (9) is less than or equal to the axial length of cylinder section (3), the external diameter of annular ladder (9) is greater than the maximum distance between through-hole (2) and the product axis, the cover is equipped with stereoplasm packing ring (10) and O type sealing washer (11) on cylinder section (3), the external diameter of stereoplasm packing ring (10) equals with the external diameter of annular ladder (9), O type sealing washer (11) rise tightly in annular ladder (9), stereoplasm packing ring (10) and cylinder section (3) three form the space.
2. A leak detection assembly according to claim 1, wherein: the hard gasket (10) and the O-shaped sealing ring (11) are sleeved on the cylindrical section (3) in an interference manner.
3. A leak detection assembly according to claim 1 or 2, wherein: the hard washer (10) is made of metal or hard plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022390023.1U CN212931801U (en) | 2020-10-25 | 2020-10-25 | Leakproofness detects assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022390023.1U CN212931801U (en) | 2020-10-25 | 2020-10-25 | Leakproofness detects assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212931801U true CN212931801U (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022390023.1U Active CN212931801U (en) | 2020-10-25 | 2020-10-25 | Leakproofness detects assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212931801U (en) |
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2020
- 2020-10-25 CN CN202022390023.1U patent/CN212931801U/en active Active
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