CN216923566U

CN216923566U - Novel single interface

Info

Publication number: CN216923566U
Application number: CN202123413694.6U
Authority: CN
Inventors: 张安武
Original assignee: Idex Dinglee Technology Tianjin Co Ltd
Current assignee: Idex Dinglee Technology Tianjin Co Ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-08
Anticipated expiration: 2031-12-31

Abstract

The utility model provides a novel single interface, which belongs to the technical field of single interfaces and comprises a female port and a male port, wherein a screw arranged on the female port is in threaded connection with a spiral groove arranged on the male port, the female port and the male port can be detachably connected, after the female port and the male port are in butt joint connection, a male joint arranged on the male port is inserted into a locking sleeve of the female port, a middle sleeve of the female port is inserted into the male joint, the middle sleeve realizes compression of a first spring by pushing a first valve sleeve of the male port to retreat, the female port and the male port after connection are in communication with high-pressure oil through an internal oil path of the single interface, and an external oil path is in communication with low-pressure oil. The utility model has simple processing, good sealing effect and more reliable performance, and can effectively reduce the failure rate.

Description

Novel single interface

Technical Field

The utility model belongs to the technical field of single interfaces, and particularly relates to a novel single interface.

Background

At present, the commonly used sealing of a single-interface high-pressure oil way, namely the sealing between a male valve seat and a sealing joint and the sealing between a female valve seat and a mandril, is hard sealing, namely the sealing of metal to metal, has poor sealing effect, has high requirement on processing precision, and is easy to cause sealing failure. Meanwhile, the currently commonly used locking sleeve with a single interface is formed by fixing screws through two parts, so that the number of parts is large, and the processing is complex.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a single interface, which can connect a hydraulic break-in tool and a hydraulic motor pump at one time, so that high-pressure oil of the hydraulic pump can be smoothly delivered into the tool, and the single interface has more reliable sealing and better manufacturability.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows: the utility model provides a novel single interface, includes cloudy mouth and positive mouth, carries out threaded connection through the helicla flute that sets up on the screw that sets up on the cloudy mouth and the positive mouth, cloudy mouth and positive mouth can realize dismantling the connection, and after cloudy mouth and positive mouth butt joint, the male joint that sets up on the positive mouth inserts in the lock sleeve of cloudy mouth, simultaneously the middle cover of cloudy mouth inserts in the positive connects, just middle cover retreats the compression of realizing first spring through the first valve barrel that promotes positive mouth, and cloudy mouth and positive mouth after the connection, the inside oil circuit of single interface links up high pressure oil, and outside oil circuit links up low pressure oil.

Furthermore, the male port comprises a male port valve seat and a male joint, a spiral groove notch matched and connected with a screw is arranged on the outer wall of the male joint, the male joint is screwed in the male port valve seat, a sealing joint, a middle pipe and a first valve sleeve are arranged in an internal cavity formed by the male port valve seat and the male joint, the first valve sleeve is arranged at one end, away from the male port valve seat, of the male joint, one end of the middle pipe is arranged in the first valve sleeve, the other end of the middle pipe is connected with the sealing joint, one end, away from the middle pipe, of the sealing joint is connected with the male port valve seat, a first spring is sleeved on the outer wall of the middle pipe, one end of the first spring is in contact with the tail end of the middle pipe, the other end of the first spring is in contact with the first valve sleeve, a valve nozzle is arranged inside one end, away from the male port valve seat, of the middle pipe, and a pressure relief valve core is arranged in the valve nozzle, and a third spring is arranged between the pressure relief valve core and the sealing joint.

Furthermore, an O-shaped ring and polytetrafluoroethylene materials are adopted for sealing between the male valve seat and the sealing joint.

Further, the female port comprises a locking sleeve, a middle sleeve and a female valve seat, the middle sleeve is screwed in the female valve seat, an ejector rod is arranged in an inner cavity formed by the middle sleeve and the female valve seat, the top end of the ejector rod penetrates into a third valve sleeve and a second valve sleeve in sequence, the third valve sleeve is screwed on the second valve sleeve, a second spring is sleeved on the outer wall of the ejector rod and arranged between the third valve sleeve and the ejector rod, one end of the second spring is in contact with an end cover at the tail end of the ejector rod, the other end of the second spring is in contact with the third valve sleeve, the locking sleeve is fixed on the middle sleeve and the female valve seat through a spring retainer ring, and screws are radially mounted on the locking sleeve.

Furthermore, an O-shaped ring and polytetrafluoroethylene materials are adopted for sealing between the female valve seat and the ejector rod.

Furthermore, the sealing between the middle sleeve and the locking sleeve and the second valve sleeve, the sealing between the middle sleeve and the female valve seat, and the sealing between the second valve sleeve and the third valve sleeve are all sealed by adopting O-shaped rings and polytetrafluoroethylene materials.

Furthermore, the sealing between the male joint and the locking sleeve and the sealing between the first valve sleeve and the valve nozzle and the male joint are sealed by adopting an O-shaped ring and polytetrafluoroethylene materials.

Compared with the prior art, the novel single interface has the following advantages: this novel single interface is applicable to the hydraulic pressure of any hydraulic pressure broken instrument of tearing open and oil pump and is connected, implements the rescue work of speedily carrying out rescue work. The single interface can be equipped for fire-fighting troops, armed police troops, highways, quick response rescue troops, industrial enterprises and the like.

(1) The single interface adopts the combination sealing of the O-shaped ring and the polytetrafluoroethylene, so that the sealing effect is good;

(2) because the O-shaped ring and the polytetrafluoroethylene are combined and sealed, the processing is simpler;

(3) because the O-shaped ring and the polytetrafluoroethylene are combined and sealed, the performance is more reliable, and the failure rate is reduced;

(4) the connection of the male and female ports adopts spiral connection, which is convenient and fast;

(5) the female connection sleeve is simplified, and the locking sleeve is changed into a part from two parts, so that the processing is simpler.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the female and male ports of the present invention;

FIG. 2 is a schematic view of a female portion according to an embodiment of the present invention;

FIG. 3 is an exploded view of an assembly for a female port according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of the male opening according to the embodiment of the present invention;

fig. 5 is an exploded view of an assembly of the male port according to an embodiment of the present invention.

Description of reference numerals:

1. a male port valve seat; 2. sealing the joint; 3. an intermediate pipe; 4. a first spring; 5. a male connector; 6. a screw; 7. a locking sleeve; 8. a middle sleeve; 9. a second spring; 10. a female valve seat; 11. A third spring; 12. a pressure relief valve core; 13. a valve nozzle; 14. a first valve housing; 15. a top rod; 16. A second valve housing; 17. and a third valve housing.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1-5, the utility model relates to a novel single connector, which comprises a female port and a male port, wherein when the female port is connected with the male port, the female port is in threaded connection with a spiral groove arranged on the male port through a screw 6 arranged on the female port, the female port and the male port can be detachably connected, after the male port is in butt joint with the female port, a push rod 15 in the female port extends into the male port, a small table at the top end of the push rod 15 pushes back a pressure relief valve core 12, a third spring 11 behind the pressure relief valve core 12 is compressed under force, at the moment, the seal between the pressure relief valve core 12 and a valve nozzle 13 is opened, high-pressure oil in a core part of the male port is communicated with low-pressure oil way through a gap between a valve nozzle 13 middle hole, a middle pipe 3 and a middle sleeve 8 in advance, and the oil pressure in the single connector is rapidly reduced, so as to achieve the purpose of plugging under pressure.

After the female port and the male port are connected, a male joint 5 arranged on the male port is inserted into a locking sleeve 7 of the female port, a middle sleeve 8 of the female port is inserted into the male joint 5, the middle sleeve 8 realizes compression of a first spring 4 by pushing a first valve sleeve 14 of the male port to retreat, and at the moment, high-pressure oil flows through an inner hole of a male port valve seat 1, an inner hole of a sealing joint 2, an inner hole of a middle pipe 3, an inner hole of a mandril 15 and an inner hole of a female port valve seat 10; on the contrary, the high-pressure oil flows through the inner holes of the female valve seat 10, the ejector rod 15, the middle pipe 3, the sealing joint 2 and the male valve seat 1. The low-pressure oil flows through the inner holes of the male valve seat 1, the male joint 5, the groove at the end part of the first valve sleeve 14, the middle sleeve 8 and the female valve seat 10; on the contrary, the low-pressure oil flows through the female valve seat 10, the middle sleeve 8, the groove at the end part of the valve sleeve, the male joint 5 and the inner hole of the male valve seat 1. The internal oil way of the single interface is communicated with high-pressure oil, and the external oil way is communicated with low-pressure oil.

The male port comprises a male port valve seat 1 and a male connector 5, a spiral groove notch matched and connected with a screw 6 is arranged on the outer wall of the male connector 5, the male connector 5 is screwed in the male port valve seat 1, a sealing connector 2, a middle pipe 3 and a first valve sleeve 14 are arranged in an internal cavity formed by the male port valve seat 1 and the male connector 5, the first valve sleeve 14 is arranged at one end, far away from the male port valve seat 1, of the male connector 5, one end of the middle pipe 3 is arranged in the first valve sleeve 14, the other end of the middle pipe 3 is connected with the sealing connector 2, one end, far away from the middle pipe 3, of the sealing connector 2 is connected with the male port valve seat 1, a first spring 4 is sleeved on the outer wall of the middle pipe 3, one end of the first spring 4 is in contact with the tail end of the middle pipe 3, the other end of the first spring is in contact with the first valve sleeve 14, and a valve nozzle 13 is arranged inside, far away from one end of the male port valve seat 1, of the middle pipe 3, a pressure relief valve core 12 is arranged in the valve mouth 13, and a third spring 11 is arranged between the pressure relief valve core 12 and the sealing joint 2. In the description of the present invention, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.

The male valve seat 1 and the sealing joint 2 are sealed by adopting an O-shaped ring and polytetrafluoroethylene materials, so that the sealing is more reliable.

The female port comprises a locking sleeve 7, a middle sleeve 8 and a female valve seat 10, the middle sleeve 8 is screwed in the female valve seat 10, a push rod 15 is arranged in an inner cavity formed by the middle sleeve 8 and the female valve seat 10, the top end of the push rod 15 penetrates into a third valve sleeve 17 and a second valve sleeve 16 in sequence, meanwhile, the third valve sleeve 17 is screwed on the second valve sleeve 16, a second spring 9 is sleeved on the outer wall of the push rod 15, the second spring 9 is arranged between the third valve sleeve 17 and the push rod 15, one end of the second spring 9 is in contact with an end cover at the tail end of the push rod 15, the other end of the second spring is in contact with the third valve sleeve 17, the locking sleeve 7 is fixed on the middle sleeve 8 and the female valve seat 10 through springs, and meanwhile, a screw 6 is radially arranged on the locking sleeve 7.

And an O-shaped ring and a polytetrafluoroethylene material are adopted for sealing between the female valve seat 10 and the ejector rod 15, so that the sealing is more reliable.

The sealing between the middle sleeve 8, the locking sleeve 7 and the second valve sleeve 16, the sealing between the middle sleeve 8 and the female valve seat 10 and the sealing between the second valve sleeve 16 and the third valve sleeve 17 are all sealed by adopting O-shaped rings and polytetrafluoroethylene materials, and the soft sealing of the rubber piece is more reliable than the hard sealing between metal pieces and is simpler to process.

The sealing between the male joint 5 and the locking sleeve 7 and the sealing between the first valve sleeve 14 and the valve nozzle 13 and the male joint 5 are sealed by adopting O-shaped rings and polytetrafluoroethylene materials, and the soft sealing of the rubber piece is more reliable than the hard sealing between metal pieces and is simpler to process.

In the actual working process, when the male and female ports are connected, the screw 6 on the female port locking sleeve 7 is screwed with the spiral groove on the male connector 5, so that the female port is connected with the male port. After the male port and the female port are in butt joint connection, the ejector rod 15 in the female port extends into the male port, meanwhile, a small table at the top end of the ejector rod 15 pushes the pressure relief valve element 12 away, the third spring 11 behind the pressure relief valve element 12 is compressed under stress, at the moment, the seal between the pressure relief valve element 12 and the valve nozzle 13 is opened, high-pressure oil and low-pressure oil ways in the core part of the male port are communicated in advance through a gap between the middle hole of the valve nozzle 13, the middle pipe 3 and the middle sleeve 8, and the oil pressure in the single port rapidly drops, so that the purpose of plugging and unplugging under pressure is achieved.

After the male and female ports are connected, the male connector 5 is inserted into the locking sleeve 7, the middle sleeve 8 is inserted into the male connector 5, the middle sleeve 8 pushes the first valve sleeve 14 to retreat, and the first spring 4 is compressed under force. At the moment, high-pressure oil flows through the inner hole of the male valve seat 1, the inner hole of the sealing joint 2, the inner hole of the middle pipe 3, the inner hole of the ejector rod 15 and the inner hole of the female valve seat 10; on the contrary, the high-pressure oil flows through the inner holes of the female valve seat 10, the ejector rod 15, the middle pipe 3, the sealing joint 2 and the male valve seat 1. The low-pressure oil flows through the inner holes of the male valve seat 1, the male joint 5, the groove at the end part of the first valve sleeve 14, the middle sleeve 8 and the female valve seat 10; on the contrary, the low-pressure oil flows through the female valve seat 10, the middle sleeve 8, the groove at the end part of the first valve sleeve 14, the male connector 5 and the inner hole of the male valve seat 1.

The axial positions of the internal parts of the female port and the male port are limited by the middle pipe 3 and the middle sleeve 8, so that the processing is simple, the oil way is smooth, and the structure is reliable. When the female port and the male port are connected, the first valve sleeve 14 of the male port moves backwards, the first spring 4 is forced to be compressed, and the compression distance is limited by the length of the intermediate sleeve 8. Likewise, the female second valve sleeve 16 is pressed back and the second spring 9 is compressed, the distance of compression being limited by the length of the intermediate tube 3. This restriction allows for accurate positioning of the movement of the first valve housing 14 and the second valve housing 16.

The locking sleeve 7 is turned in the opposite direction so that the screw 6 on it is loosened along the helical groove on the male connector 5, i.e. the connection of the female and male ports can be separated.

After the female port is separated, the second spring 9 of the female port pushes the second valve sleeve 16 and the third valve sleeve 17 to move forward, and at the moment, the O-shaped ring on the excircle of the second valve sleeve 16 seals the second valve sleeve 16 and the middle sleeve 8; the combined seal on the inner hole of the second valve sleeve 16 seals the second valve sleeve 16 and the ejector rod 15, so that hydraulic oil in the female port cannot leak after the female port and the male port are disconnected.

After the male port is separated, the first spring 4 pushes the first valve sleeve 14 to move forwards until an O-shaped ring on the first valve sleeve 14 is attached and sealed with an inner taper hole of the male connector 5; the third spring 11 pushes the pressure relief valve core 12 to open, the pressure relief valve core 12 pushes the valve mouth 13, the valve mouth 13 and the pressure relief valve core 12 are sealed by the polytetrafluoroethylene material in the valve mouth 13, the middle pipe 3 and the valve mouth 13 are sealed by the combined seal in the middle pipe 3, and therefore hydraulic oil cannot leak after the male and female ports are separated.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A novel single interface is characterized in that: including cloudy mouth and positive mouth, screw (6) through setting up on the cloudy mouth and the positive mouth carry out threaded connection through the helicla flute that sets up on the screw (6) that sets up on the cloudy mouth, cloudy mouth and positive mouth can realize dismantling the connection, after cloudy mouth and positive mouth butt joint, positive joint (5) that set up on the positive mouth insert in the lock sleeve (7) of cloudy mouth, simultaneously cover (8) insert in the middle of the cloudy mouth in positive joint (5), just cover (8) in the middle retreat through first valve barrel (14) that promote positive mouth realize the compression of first spring (4), cloudy mouth and positive mouth after the connection, the inside oil circuit of single-interface communicates high pressure oil, and the outside oil circuit communicates low pressure oil.

2. The novel single interface of claim 1, wherein: the male opening comprises a male opening valve seat (1) and a male connector (5), a spiral groove notch which is connected with a screw (6) in a matched mode is formed in the outer wall of the male connector (5), the male connector (5) is screwed in the male opening valve seat (1), a sealing connector (2), a middle pipe (3) and a first valve sleeve (14) are arranged in an inner cavity formed by the male opening valve seat (1) and the male connector (5), the first valve sleeve (14) is installed at one end, far away from the male opening valve seat (1), of the male connector (5), one end of the middle pipe (3) is installed in the first valve sleeve (14), the other end of the middle pipe is connected with the sealing connector (2), one end, far away from the middle pipe (3), of the sealing connector (2) is connected with the male opening valve seat (1), and a first spring (4) is sleeved on the outer wall of the middle pipe (3), one end of the first spring (4) is in contact with the tail end of the middle pipe (3), the other end of the first spring is in contact with the first valve sleeve (14), the middle pipe (3) is far away from the inner part of one end of the male valve seat (1) and is provided with a valve nozzle (13), a pressure relief valve core (12) is installed in the valve nozzle (13), and a third spring (11) is installed between the pressure relief valve core (12) and the sealing joint (2).

3. The novel single interface of claim 2, wherein: the male valve seat (1) and the sealing joint (2) are sealed by adopting an O-shaped ring and polytetrafluoroethylene materials.

4. The novel single interface of claim 2, wherein: the female port comprises a locking sleeve (7), a middle sleeve (8) and a female port valve seat (10), the middle sleeve (8) is sleeved and screwed in the female port valve seat (10), a push rod (15) is arranged in an inner cavity formed by the middle sleeve (8) and the female port valve seat (10), the top end of the push rod (15) sequentially penetrates into a third valve sleeve (17) and a second valve sleeve (16), meanwhile, the third valve sleeve (17) is screwed on the second valve sleeve (16), a second spring (9) is sleeved on the outer wall of the push rod (15), the second spring (9) is arranged between the third valve sleeve (17) and the push rod (15), one end of the second spring (9) is in contact with an end cover at the tail end of the push rod (15), the other end of the second spring is in contact with the third valve sleeve (17), the locking sleeve (7) is fixed on the middle sleeve (8) and the female port valve seat (10) through a clamping ring, and meanwhile, a screw (6) is radially arranged on the locking sleeve (7).

5. The novel single interface of claim 4, wherein: and an O-shaped ring and polytetrafluoroethylene materials are adopted for sealing between the female valve seat (10) and the ejector rod (15).

6. The novel single interface of claim 4, wherein: the sealing between the middle sleeve (8) and the locking sleeve (7) and the second valve sleeve (16), the sealing between the middle sleeve (8) and the female valve seat (10), and the sealing between the second valve sleeve (16) and the third valve sleeve (17) are all sealed by adopting O-shaped rings and polytetrafluoroethylene materials.

7. The novel single interface of claim 4, wherein: the sealing between the male joint (5) and the locking sleeve (7) and the sealing between the first valve sleeve (14) and the valve nozzle (13) and the male joint (5) are sealed by adopting O-shaped rings and polytetrafluoroethylene materials.