CN217633845U - Sealing structure of wet joint - Google Patents

Abstract

The utility model discloses a sealing structure of a wet joint, which relates to the technical field of auxiliary tools of milling machines and comprises a first sealing capsule, a second sealing capsule and a limit bracket, wherein the first sealing capsule is used for sealing a butt joint structure in the wet joint; the number of the second sealing capsules is three, and the three second sealing capsules are arranged in the first sealing capsule at intervals and are respectively used for sealing the abutting rods of the abutting structure; spacing support sets up to three, and spacing support is cylindric, and the both ends of spacing support link to each other with the both ends of wet joint respectively, and three spacing support sets up with the sealed capsule of three second interval respectively to make the sealed capsule mutual isolation of three second. First sealed capsule and the sealed capsule of second are close to the one end of wet joint butt joint department and all set up to the splayed lip, can be so that the first sealed capsule and the sealed capsule of second of this disclosure can be applicable to the application scene that pressure is uneven in the fore-and-aft direction of propping the ejector pin, promote the sealed effect of wet joint.

Description

Sealing structure of wet joint

Technical Field

The utility model relates to a wet joint seals technical field, concretely relates to wet seal structure who connects.

Background

The existing wet joint is mostly sealed by a traditional O-shaped ring, and when the wet joint is in butt joint, a joint part of external equipment is butted against and butted with a butting rod of the wet joint, and the butting rod is pushed towards the inside of the wet joint.

However, when the joint member of the external device and the abutting rod of the wet joint are butted underwater, an eccentric phenomenon is likely to occur, and meanwhile, during the moving process of the abutting rod, the instantaneous pressure in the moving direction is unbalanced, so that the situations of poor sealing effect, oil leakage and the like are likely to occur.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, the utility model provides a wet seal structure who connects.

The utility model adopts the technical scheme as follows: a sealing structure of a wet end joint, comprising:

a first sealing bladder for sealing the docking structure within the wet end fitting;

the number of the second sealed capsules is three, and the three second sealed capsules are arranged in the first sealed capsule at intervals and are respectively used for sealing the abutting rods of the abutting structure;

the number of the limiting supports is three, the limiting supports are cylindrical, two ends of each limiting support are respectively connected with two ends of the wet joint, and the three limiting supports and the three second sealing capsules are respectively arranged at intervals so as to mutually isolate the three second sealing capsules;

wherein, first sealed capsule with the sealed capsule orientation of second wet joint butt joint department's one end all sets up to the splayed lip, the splayed lip is including two sealing strips of relative setting, and two sealing strips are all connected the open end of the sealed capsule of second to form jointly the splayed lip, first sealed capsule with the sealed capsule of second is the rubber spare.

As a preferable technical scheme, the three limiting brackets and the three second sealing capsules are uniformly arranged at intervals.

As a preferred technical scheme, the sealing device further comprises a lip retainer, wherein the lip retainer comprises a retaining plate and three supporting cylinders, the retaining plate is arranged on the left side of the second sealed capsule, the three supporting cylinders are respectively sleeved on the second sealed capsule, the three supporting cylinders respectively abut against the right sides of the splayed lips of the second sealed capsule, and the retaining plate and the supporting cylinders commonly clamp the splayed lips of the second sealed capsule.

As a preferable technical solution, the supporting cylinder and the lip retainer are made of insulating plastic.

As a preferable technical solution, the wet joint sealing device further comprises a limiting plate, wherein the limiting plate is arranged in the first sealing capsule, and the limiting plate is connected with the wet joint.

As a preferred technical scheme, the sealing device further comprises a baffle plate, wherein the baffle plate is arranged at one end of the wet joint in butt joint, the baffle plate is provided with three through holes, the three through holes respectively correspond to the three abutting rods of the wet joint, and the baffle plate abuts against the splayed lip of the first sealing capsule.

The utility model has the advantages as follows:

through above-mentioned technical scheme, this application utilizes first sealed capsule and the sealed capsule of second to seal the butt joint structure of wet joint. And, the one end that first sealed capsule and second sealed capsule are close to wet joint butt joint department all sets up to the splayed lip, can make first sealed capsule and second sealed capsule of this disclosure can be applicable to the uneven application scene of pressure in the fore-and-aft direction of propping the post pole. Particularly, two sealing strips of splayed lip all can have certain gradient, incline left or right promptly, so, just so, can realize under certain pressure effect can be more close to reach the ejector pin, promote the sealed effect of wet joint.

Other advantages of the present invention will be described in detail in conjunction with the detailed description of the preferred embodiments.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly described below, it should be understood that the proportional relationship of each component in the drawings in this specification does not represent the proportional relationship in the actual material selection design, and it is only a schematic diagram of the structure or the position, in which:

FIG. 1 is a schematic diagram of an exemplary wet end fitting provided by the present disclosure;

fig. 2 is a schematic diagram of a half-section three-dimensional structure of an exemplary wet end fitting provided by the present invention;

FIG. 3 is a schematic diagram of a half-section plan view of an exemplary wet end fitting provided by the present disclosure;

FIG. 4 is a schematic diagram of an exemplary first sealed capsule provided by the present invention;

fig. 5 is a schematic diagram of an exemplary wet end fitting provided by the present invention, wherein a retainer bracket and a first sealing bladder are shown.

Reference numerals in the drawings indicate:

1-wet joint; 11-a first sealed capsule; 111-splayed lip; 112-a sealing strip; 12-a second sealed capsule; 13-a butt-joint structure; 14-a limit bracket; 15-propping the rod; 2-lip holders; 21-a holding plate; 22-a support cylinder; 3-a limiting plate; 4-baffle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention.

The present invention will be described in detail with reference to fig. 1 to 5.

Example 1

As shown in fig. 1 to 5, the present disclosure provides a sealing structure of a wet end joint, which includes a first sealing capsule 11, a second sealing capsule 12 and a limit bracket 14, the first sealing capsule 11 being used for sealing a docking structure 13 in the wet end joint 1; the number of the second sealed capsules 12 is three, and the three second sealed capsules 12 are arranged in the first sealed capsule 11 at intervals and are respectively used for sealing the abutting rods 15 of the abutting structure 13; the number of the limiting brackets 14 is three, the limiting brackets 14 are cylindrical, two ends of each limiting bracket 14 are respectively connected with two ends of the wet joint 1, and the three limiting brackets 14 and the three second sealed capsules 12 are respectively arranged at intervals so as to mutually isolate the three second sealed capsules 12;

the first sealing capsule 11 and the second sealing capsule 12 face the one end of the butt joint of the wet joint 1 is set to be a splayed lip 111, the splayed lip 111 comprises two opposite sealing strips 112, the two sealing strips 112 are connected to the open end of the second sealing capsule 12 and jointly form the splayed lip 111, and the first sealing capsule 11 and the second sealing capsule 12 are both rubber pieces.

Through the technical scheme, the abutting structure 13 of the wet joint 1 is sealed by the first sealing capsule 11 and the second sealing capsule 12. Moreover, one ends of the first sealing capsule 11 and the second sealing capsule 12, which are close to the butt joint of the wet joint 1, are both provided with the splayed lip 111, so that the first sealing capsule 11 and the second sealing capsule 12 disclosed by the invention can be applied to application scenes with uneven pressure in the front-back direction of the propping rod 15. Specifically, both the sealing strips 112 of the splayed lip 111 may have a certain inclination, i.e. incline leftwards or rightwards, so that the sealing effect of the wet end joint 1 can be improved by being closer to the abutting rod 15 under a certain pressure.

Example 2

As shown in fig. 5, in this embodiment, based on embodiment 1, the three limit brackets 14 and the three second sealed capsules 12 are uniformly spaced.

Therefore, the three limiting brackets 14 have the same distance with the second sealed capsules 12, the three second sealed capsules 12 cannot be deformed by mutual interference when being expanded, and the three second sealed capsules 12 can have relatively independent deformation spaces.

Example 3

As shown in fig. 2 and fig. 3, in this embodiment, on the basis of embodiment 1, the lip holder 2 further includes a holding plate 21 and three supporting cylinders 22, the holding plate 21 is disposed on the left side of the second sealed capsule 12, the three supporting cylinders 22 are respectively sleeved on the second sealed capsule 12, the three supporting cylinders 22 respectively abut against the right sides of the splayed lips 111 of the three second sealed capsules 12, and the holding plate 21 and the supporting cylinders 22 commonly hold the splayed lips 111 of the second sealed capsule 12.

The lip holding plate 21 is simultaneously used as the left-side propping part of the three second sealed capsules 12, the three supporting barrels 22 are respectively used as the right-side propping part of the second sealed capsules 12, the lip holding plate 21 and the supporting barrels 22 are jointly used as the clamping structure of the lip part of the second sealing member, and the splayed lip 111 of the second sealed capsule 12 is fixed at one position, so that the position of the splayed lip 111 can be relatively fixed, the displacement is not easy to occur in the butt joint process of the wet joint 1, and the repeated use can be carried out for many times. And also improves the sealing performance of the wet joint 1 to some extent.

Example 4

In this embodiment, based on embodiment 3, the supporting cylinder 22 and the lip holder 2 are made of insulating plastic.

The insulating plastic contributes to maintaining the structural strength of the support cylinder 22 and the lip holder 2. For example, the supporting cylinder 22 and the lip holder 2 of insulating special plastic may be used. The application of the insulating special plastic in the existing underwater wet joint application field is very wide, and the detailed description is omitted.

Example 5

The embodiment is based on embodiment 1, and further comprises a limiting plate 3, wherein the limiting plate 3 is arranged in the first sealed capsule 11, and the limiting plate 3 is connected with the wet joint 1.

The limiting plate 3 is arranged in the first sealed capsule 11 and connected with the inner wall of the wet joint 1, so that the first sealed capsule 11 is limited. The position of the splayed lip 111 can be ensured to be relatively fixed, and the splayed lip is not easy to displace in the butt joint process of the wet joint 1, so that the splayed lip can be repeatedly used. And also improves the sealing performance of the wet joint 1 to some extent.

Example 6

In this embodiment, on the basis of embodiment 5, the sealing device further includes a baffle 4, the baffle 4 is disposed at one end of the wet connector 1, which is in butt joint with the wet connector 1, the baffle 4 is provided with three through holes, the three through holes respectively correspond to the three abutting rods 15 of the wet connector 1, and the baffle 4 abuts against the splayed lip 111 of the first sealing capsule 11.

The baffle 4 who sets up supports it from the left side of first sealed capsule 11's splayed lip 111, sets up the limiting plate 3 in first sealed capsule 11 inside in addition, and both combined action can improve first sealed capsule 11's position stabilization effect effectively.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (6)

1. A sealing structure of a wet end joint, comprising:

a first sealing capsule (11), the first sealing capsule (11) for sealing a docking structure (13) within a wet joint (1);

the number of the second sealed capsules (12) is three, and the three second sealed capsules (12) are arranged in the first sealed capsule (11) at intervals and are respectively used for sealing the abutting rods (15) of the abutting structure (13);

the number of the limiting supports (14) is three, the limiting supports (14) are cylindrical, two ends of each limiting support (14) are respectively connected with two ends of the wet joint (1), and the three limiting supports (14) and the three second sealing capsules (12) are respectively arranged at intervals so that the three second sealing capsules (12) are isolated from each other;

wherein, first sealed capsule (11) with second sealed capsule (12) orientation wet joint (1) butt joint's one end all sets up to splayed lip (111), splayed lip (111) are including two sealing strips (112) of relative setting, and two sealing strips (112) are all connected the open end of second sealed capsule (12), and form jointly splayed lip (111), first sealed capsule (11) with second sealed capsule (12) are the rubber spare.

2. A sealing arrangement of a wet end fitting according to claim 1, wherein said three retaining brackets (14) are evenly spaced from said three second sealing capsules (12).

3. The sealing structure of the wet joint according to claim 1, further comprising a lip holder (2), wherein the lip holder (2) comprises a holding plate (21) and three supporting cylinders (22), the holding plate (21) is disposed at the left side of the second sealed capsule (12), the three supporting cylinders (22) are respectively sleeved on the second sealed capsule (12), the three supporting cylinders (22) respectively abut against the right sides of the splayed lips (111) of the three second sealed capsules (12), and the holding plate (21) and the supporting cylinders (22) jointly clamp the splayed lips (111) of the second sealed capsule (12).

4. A sealing arrangement of a wet end joint according to claim 3, characterized in that the supporting cylinder (22) and the lip holder (2) are of insulating plastic.

5. The sealing structure of a wet end joint according to any one of claims 1 to 4, further comprising a restriction plate (3), wherein the restriction plate (3) is arranged inside the first sealed capsule (11), and wherein the restriction plate (3) is connected with the wet end joint (1).

6. The sealing structure of the wet connector according to claim 5, further comprising a baffle (4), wherein the baffle (4) is disposed at one end of the wet connector (1) that is butted against the wet connector, the baffle (4) is provided with three through holes, the three through holes respectively correspond to the three abutting rods (15) of the wet connector (1), and the baffle (4) abuts against the splayed lip (111) of the first sealing capsule (11).

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