CN214743909U

CN214743909U - Anti-interference joint of hydraulic flow sensor

Info

Publication number: CN214743909U
Application number: CN202120388342.0U
Authority: CN
Inventors: 刘运来; 文新亮
Original assignee: Shandong Kts Industrial Systems Co ltd
Current assignee: Shandong Kts Industrial Systems Co ltd
Priority date: 2021-02-22
Filing date: 2021-02-22
Publication date: 2021-11-16
Anticipated expiration: 2031-02-22

Abstract

The utility model discloses a hydraulic pressure flow sensor jam-proof connects, including nut, takeover, tetrafluoro packing ring, tetrafluoro cover and sealed the pad, the takeover left side is provided with the nut, and takes over and be provided with the isolating ring near nut one side, the isolating ring is kept away from nut one side and is provided with the spliced pole, and spliced pole surface right side sets up flutedly, the tetrafluoro cover is the insulator that the polytetrafluoroethylene material was made, and the tetrafluoro cover is the echelonment, tetrafluoro cover left side lower surface is laminated with the isolating ring surface mutually, and tetrafluoro cover right side lower surface is laminated with the spliced pole surface mutually, one side that the nut was kept away from and is taken over is provided with the adapter. This hydraulic pressure flow sensor jam-proof connects, convenient quick installation improves work efficiency, and tetrafluoro cover and tetrafluoro packing ring are isolated external power line and the influence of magnetic line to flow sensor measurement for insulator material.

Description

Anti-interference joint of hydraulic flow sensor

Technical Field

The utility model relates to a hydraulic pressure flow sensor correlation technique field specifically is a hydraulic pressure flow sensor jam-proof connects.

Background

In the hydraulic mechanical equipment, a high-precision liquid flow sensor is commonly used for measuring the flow of hydraulic oil when the equipment is operated.

However, under the condition that the precision required in the application of hydraulic equipment is relatively high, the flow sensor is placed in a high-pressure area, the flow sensor is interfered by signals, so that the measurement precision cannot meet the requirement of a user, and therefore an anti-interference joint of the hydraulic flow sensor is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydraulic pressure flow sensor jam-proof connects to the present that proposes in solving above-mentioned background art requires under the higher condition of precision ratio in the hydraulic equipment application, puts flow sensor in the high-pressure area, and flow sensor will receive signal interference and cause measurement accuracy to reach the problem that the user required.

In order to achieve the above object, the utility model provides a following technical scheme: a hydraulic flow sensor anti-interference joint comprises a nut, a connecting pipe, a PTFE washer, a PTFE sleeve and a sealing gasket, wherein the left side of the connecting pipe is provided with the nut, the connecting pipe is provided with a separation ring close to one side of the nut, the separation ring is provided with a connecting column far away from one side of the nut, the right side of the outer surface of the connecting column is provided with a groove, the diameter of the separation ring is 5.8mm larger than that of the connecting column, the right side of the connecting column is provided with an installing head, the outer surface of the installation head is provided with a first thread, an inclined groove is arranged between the left side of the installing head and the connecting column, the inclined groove is sleeved with the sealing gasket, the outer surface of the separation ring is clamped with the inner wall of the nut, the PTFE sleeve is arranged between the separation ring and the nut, the PTFE sleeve is an insulator made of PTFE material, the PTFE sleeve is in a ladder shape, the lower surface of the left side of the PTFE sleeve is fitted with the outer surface of the separation ring, and tetrafluoro cover right side lower surface laminates with the spliced pole surface mutually, one side that the takeover was kept away from to the nut is provided with the adapter.

Preferably, the outer surface of the connecting pipe on one side of the nut is provided with a tetrafluoro washer, the tetrafluoro washer is an insulator made of polytetrafluoroethylene, and the outer surface of the tetrafluoro washer is in contact with the inner wall of the nut.

Preferably, first screw thread both ends are the inclined plane structure, and first screw thread both ends inclined plane is 60 degrees with horizontal angle of included angle, and the distance between first screw thread left side one end and the spliced pole right side surface is 3.5 mm.

Preferably, the nut is an outer hexagon nut, the left side of the nut is provided with a compression ring, the left side of the inner wall of the nut is provided with a second thread, an installation groove is formed between the right side surface of the second thread and the left side surface of the compression ring, and the installation groove is matched with the isolation ring.

Preferably, the adapter includes collar and connector, collar and connector formula design as an organic whole, and the collar outward appearance is the hexagon structure, is the inclined plane structure between connector right side one end and the collar left surface, and the connector surface is provided with the third screw thread, connector surface and nut inner wall threaded connection.

Preferably, the cavity has been seted up to the adapter inside, is provided with the fourth screw thread on the cavity inner wall, and the fourth screw thread right side is the inclined plane structure, and fourth screw thread inclined plane is 60 degrees with horizontal angle.

Compared with the prior art, the beneficial effects of the utility model are that: the anti-interference joint of the hydraulic flow sensor is convenient and quick to install, the working efficiency is improved, and the tetrafluoro sleeve and the tetrafluoro gasket are made of insulator materials to isolate the influence of external power lines and magnetic lines on the measurement of the flow sensor;

1. be equipped with the takeover, tetrafluoro packing ring and tetrafluoro cover, the takeover right side is provided with the installation head, install the head surface and be provided with first screw thread, the takeover passes through threaded connection with flow sensor, the staff of being convenient for installs flow sensor, use manpower sparingly, sealed pad plays the sealed effect to the junction of flow sensor and takeover, make flow sensor measuring result accurate, tetrafluoro packing ring is insulator material with the tetrafluoro cover, isolated high-voltage connecting line receives the influence of external power line and magnetic line of force in service, cause flow sensor measurement accuracy unstable.

2. Be equipped with the adapter, through the third screw thread of adapter surface, the erection joint between adapter and the nut of being convenient for, through the fourth screw thread on the adapter inner wall, the jam-proof joint of being convenient for is connected with next part.

Drawings

FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the nut of the present invention;

fig. 4 is a schematic view of the front view structure of the nut of the present invention;

FIG. 5 is a schematic view of the front view structure of the adapter tube of the present invention;

FIG. 6 is a schematic view of the A-A section structure of the adapter tube of the present invention;

FIG. 7 is a schematic diagram of a side view of the tetrafluoro washer of the present invention

Fig. 8 is a schematic front view of the tetrafluoro washer of the present invention;

fig. 9 is a schematic side view of the tetrafluoro sleeve of the present invention;

fig. 10 is a schematic front view of the tetrafluoro sleeve of the present invention;

figure 11 is the side view structure schematic diagram of the adapter of the utility model

Fig. 12 is a schematic view of an elevation structure of the adapter of the present invention;

in the figure: 1. a nut; 11. mounting grooves; 12. a compression ring; 13. a second thread; 2. taking over a pipe; 21. An isolating ring; 22. connecting columns; 23. a first thread; 24. a mounting head; 25. an inclined plane groove; 3. a tetrafluoro washer; 4. a tetrafluoro sleeve; 5. a gasket; 6. an adapter; 61. a mounting ring; 62. a linker; 63. a third thread; 64. a cavity; 65. and a fourth thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution: a hydraulic flow sensor anti-interference joint comprises a nut 1, a connecting pipe 2, a PTFE washer 3, a PTFE sleeve 4 and a sealing gasket 5, wherein the nut 1 is arranged on the left side of the connecting pipe 2, a separation ring 21 is arranged on one side of the connecting pipe 2 close to the nut 1, a connecting column 22 is arranged on one side of the separation ring 21 away from the nut 1, a groove is formed in the right side of the outer surface of the connecting column 22, the diameter of the separation ring 21 is 5.8mm larger than that of the connecting column 22, an installing head 24 is arranged on the right side of the connecting column 22, a first thread 23 is arranged on the outer surface of the installing head 24, an inclined plane groove 25 is arranged between the left side of the installing head 24 and the connecting column 22, the sealing gasket 5 is sleeved on the inclined plane groove 25, the outer surface of the separation ring 21 is clamped with the inner wall of the nut 1, the PTFE sleeve 4 is arranged between the separation ring 21 and the nut 1, the PTFE sleeve 4 is an insulator made of PTFE material, and the PTFE sleeve 4 is in a step shape, the lower surface of the left side of the tetrafluoro sleeve 4 is attached to the outer surface of the isolating ring 21, the lower surface of the right side of the tetrafluoro sleeve 4 is attached to the outer surface of the connecting column 22, and the adapter 6 is arranged on one side, far away from the connecting pipe 2, of the nut 1.

Referring to fig. 1, 2, 3, 4, 5, 6, 7, 8, 9 and 10, a tetrafluoro washer 3 is disposed on an outer surface of a connection pipe 2 on one side of a nut 1, the tetrafluoro washer 3 is an insulator made of teflon, the outer surface of the tetrafluoro washer 3 contacts with an inner wall of the nut 1, both ends of a first thread 23 are inclined surfaces, an included angle between inclined surfaces of both ends of the first thread 23 and a horizontal plane is 60 degrees, a distance between one end of a left side of the first thread 23 and a right side surface of a connection column 22 is 3.5mm, the nut 1 is an outer hexagon nut, a compression ring 12 is disposed on the left side of the nut 1, a second thread 13 is disposed on the left side of the inner wall of the nut 1, a mounting groove 11 is disposed between a right side surface of the second thread 13 and a left side surface of the compression ring 12, the mounting groove 11 is adapted to the isolation ring 21, a mounting head 24 is disposed on the right side of the connection pipe 2, a first thread 23 is disposed on a surface of the mounting head 24, take over 2 and flow sensor and pass through threaded connection, the staff of being convenient for installs flow sensor, uses manpower sparingly, and sealed pad 5 plays the sealed effect to flow sensor and the junction of taking over 2 for flow sensor measuring result is accurate, and tetrafluoro packing ring 3 is insulator material with tetrafluoro cover 4, and isolated high-pressure connecting line receives the influence of external power line and magnetic line of force in service, causes flow sensor measurement accuracy unstable.

As shown in fig. 1, fig. 2, the adapter 6 includes a mounting ring 61 and a connector 62 in fig. 11 and fig. 12, the mounting ring 61 and the connector 62 are designed as an integral whole, the outer surface of the mounting ring 61 is a hexagonal structure, an inclined plane structure is formed between one end of the right side of the connector 62 and the left side surface of the mounting ring 61, a third thread 63 is arranged on the outer surface of the connector 62, the outer surface of the connector 62 is in threaded connection with the inner wall of the nut 1, a cavity 64 is formed inside the adapter 6, a fourth thread 65 is arranged on the inner wall of the cavity 64, the right side of the fourth thread 65 is an inclined plane structure, an inclined plane of the fourth thread 65 forms an angle of 60 degrees with a horizontal plane, the third thread 63 on the outer surface of the adapter 6 facilitates installation and connection between the adapter 6 and the nut 1, and the anti-interference joint is connected with the next part through the fourth thread 65 on the inner wall of the adapter 6.

The working principle is as follows: when the anti-interference joint of the hydraulic flow sensor is used, as shown in a combined drawing 1, a drawing 2, a drawing 3, a drawing 4, a drawing 5 and a drawing 6, the right side of the adapter tube 2 is provided with the mounting head 24, the surface of the mounting head 24 is provided with the first thread 23, the adapter tube 2 is in threaded connection with the flow sensor, so that the flow sensor can be conveniently mounted by workers, manpower is saved, the sealing gasket 5 has a sealing effect on the connection part of the flow sensor and the adapter tube 2, so that the measurement result of the flow sensor is accurate, the tetrafluoro washer 3 and the tetrafluoro sleeve 4 are made of insulator materials, the influence of external power lines and magnetic lines on a high-voltage connecting pipeline in the running process is isolated, the measurement accuracy of the flow sensor is unstable, the mounting connection between the adapter 6 and the nut 1 is facilitated through the third thread 63 on the outer surface of the adapter 6, the anti-interference joint is conveniently connected with the next part through the fourth thread 65 on the inner wall of the adapter 6, this is the entire process of the hydraulic flow sensor tamper-proof joint usage.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a hydraulic pressure flow sensor jam-proof connects, includes nut (1), takes over (2), tetrafluoro packing ring (3), tetrafluoro cover (4) and sealed pad (5), its characterized in that: the connecting pipe (2) is provided with a nut (1) on the left side, the connecting pipe (2) is provided with an isolating ring (21) close to one side of the nut (1), the isolating ring (21) is far away from one side of the nut (1) and is provided with a connecting column (22), the right side of the outer surface of the connecting column (22) is provided with a groove, the diameter of the isolating ring (21) is 5.8mm larger than that of the connecting column (22), the right side of the connecting column (22) is provided with an installing head (24), the outer surface of the installing head (24) is provided with a first thread (23), an inclined plane groove (25) is arranged between the left side of the installing head (24) and the connecting column (22), a sealing gasket (5) is sleeved on the inclined plane groove (25), the outer surface of the isolating ring (21) is clamped with the inner wall of the nut (1), a tetrafluoro sleeve (4) is arranged between the isolating ring (21) and the nut (1), and the tetrafluoro sleeve (4) is an insulator made of polytetrafluoroethylene material, and tetrafluoro cover (4) are the echelonment, tetrafluoro cover (4) left side lower surface laminates with spacer ring (21) surface mutually, and tetrafluoro cover (4) right side lower surface laminates with spliced pole (22) surface mutually, one side that takeover (2) was kept away from in nut (1) is provided with adapter (6).

2. The hydraulic flow sensor tamper-proof fitting of claim 1, wherein: the outer surface of one side of the nut (1) of the connecting pipe (2) is provided with a tetrafluoro washer (3), the tetrafluoro washer (3) is an insulator made of polytetrafluoroethylene, and the outer surface of the tetrafluoro washer (3) is in contact with the inner wall of the nut (1).

3. The hydraulic flow sensor tamper-proof fitting of claim 1, wherein: first screw thread (23) both ends are the inclined plane structure, and first screw thread (23) both ends inclined plane is 60 degrees with horizontal angle, and just the distance is 3.5mm between first screw thread (23) left side one end and spliced pole (22) right side surface.

4. The hydraulic flow sensor tamper-proof fitting of claim 1, wherein: the nut (1) is an outer hexagon nut, a compression ring (12) is arranged on the left side of the nut (1), a second thread (13) is arranged on the left side of the inner wall of the nut (1), an installation groove (11) is formed between the right side surface of the second thread (13) and the left side surface of the compression ring (12), and the installation groove (11) is matched with the isolation ring (21).

5. The hydraulic flow sensor tamper-proof fitting of claim 1, wherein: adapter (6) are including collar (61) and connector (62), collar (61) and connector (62) formula design as an organic whole, and collar (61) surface is the hexagon structure, is the inclined plane structure between connector (62) right side one end and collar (61) left surface, and connector (62) surface is provided with third screw thread (63), connector (62) surface and nut (1) inner wall threaded connection.

6. The hydraulic flow sensor tamper-proof fitting of claim 1, wherein: the adapter (6) is internally provided with a cavity (64), a fourth thread (65) is arranged on the inner wall of the cavity (64), the right side of the fourth thread (65) is of an inclined plane structure, and the inclined plane of the fourth thread (65) and the included angle of a horizontal plane are 60 degrees.