CN117366362A

CN117366362A - Structure of male connector

Info

Publication number: CN117366362A
Application number: CN202311193498.3A
Authority: CN
Inventors: 何正纲; 吴伟胜; 谭日荣; 汪漠; 陈莹; 李博; 刘小锋
Original assignee: Sida Fluorine Plastic Co ltd
Current assignee: Sida Fluorine Plastic Co ltd
Priority date: 2023-09-15
Filing date: 2023-09-15
Publication date: 2024-01-09

Abstract

The invention discloses a male connector structure, which comprises a movable part and a fixed part, wherein the movable part comprises an inner sleeve, a top block, a spring and a plurality of O-shaped rings, the inner sleeve consists of a runner part and an expanding part, and the expanding part is connected with one side of the runner part.

Description

Structure of male connector

Technical Field

The invention relates to the technical field of connectors, in particular to a male connector structure.

Background

The quick connector is widely applied to the industries of semiconductors, chemical industry, chemical fertilizers, foods, medicines and environmental protection.

The existing quick joint structure has the following forms, and the connection is kept through friction of a joint part; or wherein the abutting ends or the axially overlapping ends are held in connection by a locking element; or by balls, rollers or coil springs between the parts to maintain the connection under radial pressure; or wherein one element is inserted axially into the other element and rotated through an angle to remain connected, such as a bayonet action; or wherein the connection is made by means of members which are jointly moved transversely, with or without continuous rotation; or with cut-off means; or fastening the tube on the switch end; or adjustable; allowing the connector to move; or for double-walled or multichannel tubes; or the ends of the two halves of the fitting are pressed against each other without locking into place; or with a plug and a fixed wall housing.

The above-mentioned male connectors all have the following drawbacks:

the traditional male connector is easy to cause leakage of transmission substances when the connection is broken; and metal parts (springs) therein are easily rusted during use.

Disclosure of Invention

The invention aims to solve the technical problem of providing a structure of a male connector, solving the problem that leakage occurs when disconnection occurs, and simultaneously, the problem that a transmission substance can corrode metal parts.

The invention is realized by the following technical scheme.

The invention discloses a structure of a male connector, which comprises a movable part and a fixed part, wherein the movable part comprises an inner sleeve, a top block, a spring and a plurality of O-shaped rings, the inner sleeve consists of a runner part and an outward expansion part, the outward expansion part is connected to one side of the runner part, the end face of the outer side of the outward expansion part is provided with an end face perpendicular to the runner part, a circular plate is fixedly arranged in the outward expansion part on the inner sleeve, the top block is embedded in the center of the circular plate, through holes which are uniformly distributed in a ring shape are formed around the top block on the circular plate, the spring is arranged on the outer side of the runner part of the inner sleeve, and one end of the spring is in contact with the end face of the outward expansion part on the inner sleeve; the fixed part comprises an upper shell, a lower shell and a plurality of O-shaped rings, wherein threads for threaded fit connection are arranged on the upper shell and the lower shell, holes for matching with the jacking blocks are formed in the side face of the upper shell, an end face for installing a spring is arranged in the upper shell, the inner sleeve is installed in the upper shell, and the other end of the spring is abutted to the end face in the upper shell.

Further, an outer shell is arranged on the outer side of the lower shell, a movable flange is arranged on the lower shell, a Harvard flange which is abutted to the movable flange is arranged on the lower shell, and countersunk bolts for connecting and fixing are arranged on the movable flange and the Harvard flange.

Further, a first O-shaped ring is arranged on one side of the top block, located on the outer side of the circular plate, a second O-shaped ring and a third O-shaped ring are sequentially arranged on the outer expansion portion of the inner sleeve, and a fourth O-shaped ring and a fifth O-shaped ring are sequentially arranged on the runner portion of the inner sleeve.

Further, the lower shell is in threaded fit with the outer shell, and a jackscrew for fixing is arranged between the lower shell and the outer shell.

Further, a sixth O-ring and a seventh O-ring are arranged on the end face of the lower shell, which is contacted with the upper shell.

Further, an outer protrusion flush with the lower shell is provided on the outer side of the upper shell threaded portion.

The invention has the beneficial effects that: the male connector of the invention skillfully utilizes the elasticity of the spring and the sealing ring at the step of the contact surface of the runner, so that the male connector can still be perfectly sealed when being disconnected, the metal parts can be effectively isolated and prevented from being corroded due to the effect of the sealing ring between the movable part inside and the fixed part wrapped outside the movable part, the male connector of the invention has reasonable structural design, but stable flow rate, is suitable for the transmission of most gases and liquids, can effectively ensure no leakage when being connected and disconnected, and the metal parts (springs) are not easy to rust.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram of the structure of the movable part of the embodiment of the invention;

FIG. 3 is an enlarged schematic view of the embodiment of the invention at A in FIG. 2;

FIG. 4 is a schematic view of a fixed part structure according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a communication state according to an embodiment of the present invention;

fig. 6 is a schematic diagram of an embodiment of the present invention in a disconnected state.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for convenience of description, the orientations described below are now defined as follows: the vertical, horizontal, front-rear directions described below are identical to the vertical, horizontal, front-rear directions of the projection relationship of fig. 1 itself.

The male connector structure described with reference to fig. 1-6 comprises a movable part 1 and a fixed part 2, wherein the movable part 1 comprises an inner sleeve 30, a top block 3, a spring 4 and a plurality of O-shaped rings, the fixed part 2 comprises an upper shell 10, a lower shell 11 and a plurality of O-shaped rings, the movable part 1 and the fixed part 2 are respectively provided with a plurality of O-shaped rings, the O-shaped rings have a sealing effect and prevent penetration, and the sealing effect also has a corrosion phenomenon preventing effect on components.

The inner sleeve 30 is composed of a runner portion 31 and an expanding portion 32, the expanding portion 32 is fixedly connected to one side of the runner portion 31, an end face perpendicular to the runner portion 31 is arranged on the outer side face end face of the expanding portion 32, a circular plate 33 is fixedly arranged in the expanding portion 32 on the inner sleeve 30, the top block 3 is embedded into the circle center of the circular plate 33, through holes 34 which are evenly distributed in a ring shape are formed in the circular plate 33 around the top block 3, the through holes 34 are used for conveying material circulation, the spring 4 is mounted on the outer side of the runner portion 31 of the inner sleeve 30, one end of the spring 4 is abutted against the end face of the expanding portion 32 on the inner sleeve 30, the design of the top block 3 ensures that when connectors are connected with each other, the inner runner has enough inner diameter to enable the flow to meet the requirement, the sum of the minimum sectional areas of the through holes 34 in the circular plate 33 is equal to the sectional areas of the main runner of the inner sleeve 30, so that stability of the flow velocity can be ensured, one end of the top block 3 is conical, and the other end of the top block 3 is a plurality of stepped bosses.

The ejector block 3 is located one side of the circular plate 33 outside is equipped with first O shape circle 5, first O shape circle 5 installs in the corner department of outside round platform and adjacent round platform, be equipped with second O shape circle 6 and third O shape circle 7 in proper order on the flaring portion 32 of inner skleeve 30, be equipped with fourth O shape circle 8 and fifth O shape circle 9 in proper order on the runner portion 31 of inner skleeve 30, spring 4 is located between third O shape circle 7 and fourth O shape circle 8, second O shape circle 6 and third O shape circle 7 and fourth O shape circle 8 and fifth O shape circle 9 can form better guard action to spring 4, prevent the material backward flow when connecting the circulation in the active region of spring 4, corrode spring 4, second O shape circle 6 and third O shape circle 7 play the guard action of isolating transmission material when circulating in main, fourth O shape circle 8 and fifth O shape circle 9 play the guard action of isolating transmission material when the backward flow in main.

The fixing part 2 comprises an upper shell 10, a lower shell 11 and a plurality of O-shaped rings, wherein threads for threaded fit connection are arranged on the upper shell 10 and the lower shell 11, the upper shell 10 is an external thread, the lower shell 11 is an internal thread, an outer protrusion flush with the lower shell 11 is arranged on the outer side of the threaded part of the upper shell 10, when the fixing part is connected, the end part of the upper shell 10 is abutted with the inner end face of the internal thread of the lower shell 11, the outer protrusion of the upper shell 10 is abutted with the end face of the lower shell 11, a sixth O-shaped ring 15 and a seventh O-shaped ring 16 are arranged on the end face of the lower shell 11, which is in contact with the upper shell 10, the sixth O-shaped ring 15 is arranged on the outer end part of the lower shell 11 and is used for forming a seal in a fit manner with the outer protrusion of the upper shell 10, and the seventh O-shaped ring 15 is arranged on the inner end part of the inner thread of the lower shell 11 and is used for forming a seal in a fit manner when the end part of the upper shell 10 is connected, so that the leakage is prevented in the process of connection.

The side of the upper shell 10 is provided with an opening 35 for matching with the top block 3, the opening 35 corresponds to the stepped round table on one side of the top block 3, when the top block 3 moves into the opening 35, the top block 3 is completely attached to the opening 35, the first O-shaped ring 5 plays a sealing role when the top block 3 is positioned in the opening 35, the inner sleeve 30 is installed in the upper shell 10, the other end of the spring 4 abuts against the end surface in the upper shell 10, and the spring 4 plays a supporting role between the upper shell 10 and the inner sleeve 30.

The outer side of the lower shell 11 is provided with an outer shell 12, the outer shell 12 is in contact with the female connector, the lower shell 11 is also protected, the lower shell 11 is in threaded fit with the outer shell 12 to be fixed, and a jackscrew 17 for fixing is arranged between the lower shell 11 and the outer shell 12.

The lower shell 11 is provided with a movable flange 13, the lower shell 11 is provided with a haverse flange 14 which is abutted against the movable flange 13, the movable flange 13 and the haverse flange 14 are provided with countersunk bolts 18 for connecting and fixing, the movable flange 13 and the haverse flange 14 are used for being connected with a transmission pipeline, when the flange is assembled, the movable flange 13 is firstly arranged outside the lower shell 11 and is close to the shell 12, then the two haverse flanges 14 are embedded into the lower shell 11, and the movable flange (13) and the haverse flange 14 are connected by the countersunk bolts 18.

The O-rings in the embodiment are all arranged in preset O-ring mounting grooves.

Working principle:

the male connector in this embodiment needs to be used in cooperation with the female connector, and the female connector is provided with a push rod, and the female connector push rod is pushed out to be used for pushing out the push block 3 from the opening 35, so that the female connector can push out the push rod of the female connector in a manual mode, a pneumatic or hydraulic mode or the like, and the purpose of contacting with the push block 3 in the male connector is achieved.

When the male connector is disconnected, the spring 4 is in an extended state, and has elastic force on the end face of the outward expansion part 32 of the inward sleeve 30, and the first O-shaped ring 5 is arranged at the step of the top block 3, so that the top block 3 can firmly fit with the opening 35 of the upper shell 10, and the male connector is not leaked when the male connector is disconnected.

When in connection, the spring 4 is compressed, the whole movable part 1 moves downwards in the direction of the shell 11, the top block 3 moves out of the opening 35, and the transmission substances can enter the inner sleeve 30 through the opening 35 and the through hole 34, so that the purpose of circulation is achieved, and in the whole process, the second O-shaped ring 6, the third O-shaped ring 7, the fourth O-shaped ring 8 and the fifth O-shaped ring 9 move along with the inner sleeve 30, so that the spring 4 is not contacted with the transmission substances in the connection state at any time.

When connected, the small flow passage design in the inner sleeve 30, i.e. the sum of the minimum sectional areas of the through holes 34, should be comparable to the sectional area of the main flow passage of the inner sleeve 30, so that the stability of the flow velocity is ensured.

In the whole process, the spring 4 plays an extremely important role, and when the spring 4 is compressed in the connection state, the elasticity of the male connector spring 4 is larger than the minimum force for pushing the female connector ejector rod and smaller than the maximum force for pushing the female connector ejector rod to the limit position.

The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the present invention and implement it without limiting the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.

Claims

1. The utility model provides a structure of male joint, includes movable part (1) and fixed part (2), its characterized in that: the movable part (1) comprises an inner sleeve (30), a top block (3), a spring (4) and a plurality of O-shaped rings, wherein the inner sleeve (30) consists of a runner part (31) and an outward expansion part (32), the outward expansion part (32) is connected to one side of the runner part (31), the lateral end face of the outer side of the outward expansion part (32) is provided with an end face perpendicular to the runner part (31), a circular plate (33) is fixedly arranged in the outward expansion part (32) on the inner sleeve (30), the top block (3) is embedded in the center of the circular plate (33), annular through holes (34) which are uniformly distributed are formed around the top block (3) on the circular plate (33), the spring (4) is arranged on the outer side of the runner part (31) of the inner sleeve (30), and one end of the spring (4) is in contact with the end face of the outward expansion part (31) on the inner sleeve (30); the fixed part (2) comprises an upper shell (10), a lower shell (11) and a plurality of O-shaped rings, wherein threads for threaded fit connection are arranged on the upper shell (10) and the lower shell (11), holes (35) for matching with the jacking blocks (3) are formed in the side faces of the upper shell (10), an end face for installing a spring is arranged inside the upper shell (10), the inner sleeve (30) is installed in the upper shell (10), and the other end of the spring (4) is in interference with the end face in the upper shell (10).

2. A male connector structure according to claim 1, wherein: the novel anti-collision device is characterized in that an outer shell (12) is arranged on the outer side of the lower shell (11), a movable flange (13) is arranged on the lower shell (11), a Harvard flange (14) which is abutted to the movable flange (13) is arranged on the lower shell (11), and countersunk bolts (18) used for connecting and fixing are arranged on the movable flange (13) and the Harvard flange (14).

3. A male connector structure according to claim 1, wherein: the ejector block (3) is located one side in the outside of the circular plate (33) is provided with a first O-shaped ring (5), an outer expansion part (32) of the inner sleeve (30) is sequentially provided with a second O-shaped ring (6) and a third O-shaped ring (7), and a flow passage part (31) of the inner sleeve (30) is sequentially provided with a fourth O-shaped ring (8) and a fifth O-shaped ring (9).

4. A male connector structure according to claim 3, wherein: the lower shell (11) is in threaded fit with the outer shell (12), and a jackscrew (17) for fixing is arranged between the lower shell (11) and the outer shell (12).

5. A male connector structure according to claim 1, wherein: a sixth O-ring (15) and a seventh O-ring (16) are arranged on the end surface of the lower shell (11) contacted with the upper shell (10).

6. A male connector structure according to claim 1, wherein: the outer side of the threaded part of the upper shell (10) is provided with an outer protrusion which is flush with the lower shell (11).