CN213452274U

CN213452274U - Leak-proof hose connector for hydraulic cylinder

Info

Publication number: CN213452274U
Application number: CN202020783626.5U
Authority: CN
Inventors: 周耀东
Original assignee: Wuxi Huben Machine Parts Co Ltd
Current assignee: Wuxi Huben Machine Parts Co Ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-06-15
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses a leak protection hose nipple for pneumatic cylinder, the connecting pipe comprises a connecting pipe, the ring channel has been seted up to the bottom fixedly connected with pipe of pegging graft of connecting pipe on the connecting pipe, and the ring channel setting is in the outside of the pipe of pegging graft, and the rear side of ring channel fixedly connected with connecting rod is provided with locking device on the ring channel on the connecting pipe, the outer screw thread pipe of the lower extreme fixedly connected with of connecting pipe, and the outside threaded connection of outer screw thread pipe has the internal thread pipe, the intraductal expansion hose that is provided. A leak protection hose nipple for pneumatic cylinder, drive the motion of locking ring cover through the drive shaft, can be tight with the hose clamp on grafting pipe and the pneumatic cylinder together, prevent to take place to leak, the operation is also very simple, is provided with flexible hose simultaneously, takes out from the internal thread pipe when needs, changes the butt joint direction and the length that connect, the butt joint of being convenient for under the various circumstances joint has increased the practicality of device.

Description

Leak-proof hose connector for hydraulic cylinder

Technical Field

The utility model belongs to the technical field of the pneumatic cylinder and specifically relates to a leak protection hose nipple for pneumatic cylinder.

Background

The hydraulic cylinder is an actuating element in a hydraulic transmission system and is an energy conversion device for converting hydraulic energy into mechanical energy. The hydraulic motor performs a continuous rotary motion, while the hydraulic cylinder performs a reciprocating motion. The hydraulic cylinder has three types, namely a piston cylinder, a plunger cylinder and a swing cylinder, wherein the piston cylinder and the plunger cylinder realize reciprocating linear motion and output speed and thrust, and the swing cylinder realizes reciprocating swing and outputs angular speed and torque. The cylinders may be used in combination of two or more or with other mechanisms, other than individually, to accomplish a particular function. The hydraulic cylinder has simple structure and reliable work and is widely applied to a hydraulic system of a machine tool.

The hydraulic cylinder hose connector is a common component in a hydraulic cylinder, different components on the hydraulic cylinder can be connected through a hose, and the modern hydraulic cylinder hose connector has more defects, for example, the connector is not tight enough in sealing, the leakage phenomenon often occurs, the angle and the length of the connector cannot be adjusted, and a plurality of limitations exist in use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a leak protection hose nipple for pneumatic cylinder to solve modern pneumatic cylinder hose nipple and take place easily to leak and can not change the problem of length and angle.

In order to achieve the above object, the utility model provides a following technical scheme: the leak-proof hose connector for the hydraulic cylinder comprises a connecting pipe, wherein the bottom end of the connecting pipe is fixedly connected with an inserting pipe, an annular groove is formed in the connecting pipe, the annular groove is formed in the outer side of the inserting pipe, and a connecting rod is fixedly connected to the connecting pipe on the rear side of the annular groove; a locking device is arranged on the annular groove; the lower extreme fixedly connected with external screw thread pipe of connecting pipe, the outside threaded connection of external screw thread pipe has the internal thread pipe, and the intraductal expansion hose that is provided with of internal thread.

As a further aspect of the present invention: the locking device comprises a shell, the shell is fixedly connected to the outer side wall of the connecting pipe, a rotating shaft is rotatably connected in the shell, and a driven bevel gear is fixedly connected to the middle of the rotating shaft.

As a further aspect of the present invention: the upper end of the driven bevel gear is meshed with a driving bevel gear, the middle of the upper end of the driving bevel gear is fixedly connected with a driving shaft, the upper end of the driving shaft penetrates out of the shell, and the driving shaft is rotatably connected with the shell.

As a further aspect of the present invention: the left side and the right side of the rotating shaft are provided with thread sections, the thread directions of the thread sections on the left side and the right side of the rotating shaft are opposite, and the thread sections of the rotating shaft are in threaded connection with thread blocks.

As a further aspect of the present invention: the lower end of the thread block is fixedly connected with a locking ring sleeve, the locking ring sleeve is embedded into the annular groove, one end, far away from the thread block, of the locking ring sleeve is fixedly connected with a connecting sleeve, and the connecting sleeve is fixedly connected with the connecting rod.

As a further aspect of the present invention: the upper end of the telescopic hose is connected with the bottom of the external threaded pipe in a sealing mode, the lower end of the telescopic hose is connected with the internal threaded pipe in a sealing mode, the outer side of the lower end of the internal threaded pipe is fixedly connected with a nut, the nut is a hexagon nut, and the nut, the connecting pipe, the external threaded pipe, the telescopic hose and the internal threaded pipe are communicated with one another.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the device is provided with a locking device, a locking ring sleeve is arranged in the locking device, the rotating shaft is driven to rotate through the movement of the driving shaft, so that a thread block on the rotating shaft is driven to move, the locking ring sleeve is driven to move in the moving process of the thread block, so that the locking ring sleeve can tightly clamp the inserting pipe and the hose on the hydraulic cylinder together, the leakage is prevented, and the operation is very simple;

2. the device is provided with an internal thread pipe and an external thread pipe, the external thread pipe is hermetically connected with a flexible hose, and the external thread pipe can be screwed out from the internal thread pipe when needed, so that the flexible hose is taken out, the length and the direction of the joint can be changed, the butt joint of the joint under various conditions is facilitated, and the practicability of the device is improved;

3. the locking ring sleeve is of a semicircular structure and can be tightly attached to the outer surface of the hose, the sealing performance is improved, and the thread spiral directions of the thread sections on the left side and the right side of the rotating shaft are opposite, so that the rotating shaft can drive the thread blocks to move towards the same direction or the opposite direction in the rotating process.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the locking device of the present invention;

FIG. 3 is a schematic view of the internal structure of the internally threaded tube of the present invention;

fig. 4 is a side view of the connecting tube of the present invention;

fig. 5 is a schematic view of the internal structure of the middle connection pipe of the present invention.

In the figure: 1. inserting a pipe; 2. a connecting pipe; 3. an annular groove; 4. a housing; 5. a drive shaft; 6. an externally threaded tube; 7. an internally threaded tube; 8. a nut; 9. a thread block; 10. a rotating shaft; 11. a driven bevel gear; 12. a drive bevel gear; 13. locking the ring sleeve; 14. a connecting rod; 15. connecting sleeves; 16. a flexible hose.

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. 1-5, a leak-proof hose connector for a hydraulic cylinder comprises a connecting pipe 2, wherein the bottom end of the connecting pipe 2 is fixedly connected with an inserting pipe 1, the connecting pipe 2 is provided with an annular groove 3, the annular groove 3 is arranged on the outer side of the inserting pipe 1 to ensure that a locking device can be butted with a hose, the rear side of the annular groove 3 is fixedly connected with a connecting rod 14 on the connecting pipe 2, and the connecting rod 14 plays a role of connecting two ends of the connecting pipe 2 together; a locking device is arranged on the annular groove 3, the locking device comprises a shell 4, the shell 4 is fixedly connected to the outer side wall of the connecting pipe 2, a rotating shaft 10 is rotatably connected in the shell 4, a driven bevel gear 11 is fixedly connected to the middle of the rotating shaft 10, a driving bevel gear 12 is meshed with the upper end of the driven bevel gear 11, a driving shaft 5 is fixedly connected to the middle of the upper end of the driving bevel gear 12, the upper end of the driving shaft 5 penetrates through the shell 4, and the driving shaft 5 is rotatably connected with the shell 4; threaded sections are arranged on the left side and the right side of the rotating shaft 10, the thread spiral directions of the threaded sections on the left side and the right side of the rotating shaft 10 are opposite, the thread spiral directions of the threaded sections on the two ends are opposite, it can be ensured that when the driving shaft 5 is rotated, the thread blocks 9 on the rotating shaft 10 move towards the same direction or the opposite direction, the threaded sections of the rotating shaft 10 are in threaded connection with the thread blocks 9, the lower end of the thread blocks 9 is fixedly connected with a locking ring sleeve 13, the locking ring sleeve 13 is embedded into the annular groove 3, one end, far away from the thread blocks 9, of the locking ring sleeve 13 is fixedly connected with a connecting sleeve 15;

the lower end of the connecting pipe 2 is fixedly connected with an external threaded pipe 6, the outer side of the external threaded pipe 6 is in threaded connection with an internal threaded pipe 7, an expansion hose 16 is arranged in the internal threaded pipe 7, the upper end of the expansion hose 16 is in sealing connection with the bottom of the external threaded pipe 6, the lower end of the expansion hose 16 is in sealing connection with the internal threaded pipe 7, the connecting pipe 2, the external threaded pipe 6, the expansion hose 16 and the internal threaded pipe 7 are communicated with each other, the outer side of the lower end of the internal threaded pipe 7 is fixedly connected with a nut 8, the nut 8 is a hexagon nut, and the nut 8 and the expansion.

The utility model discloses a structural feature and theory of operation: when the device is used, a hose for a hydraulic cylinder is inserted into the connecting pipe 2 and is inserted and connected to the outer side of the inserting and connecting pipe 1, the driving shaft 5 is rotated at this time, the driving shaft 5 drives the driven bevel gear 11 to rotate through the driving bevel gear 12, and further drives the rotating shaft 10 to rotate, the threaded block 9 in threaded connection on the threaded section on the rotating shaft 10 moves on the rotating shaft 10 along with the rotation of the rotating shaft 10, the threaded block 9 drives the locking ring sleeve 13 to move in the moving process, the lower end of the locking ring sleeve 13 is fixedly connected to the connecting rod 14 through the connecting sleeve 15, so that the hose is tightly clamped on the outer side wall of the inserting and connecting pipe 1 by the two locking ring sleeves 13 on the left side and the right side, an effective anti-leakage effect is achieved, in addition, the locking ring sleeve 13 fixed at the lower end of the threaded block 9 is attached to an external hose, and, the threaded block 9 can be ensured to move back and forth on the rotating shaft 10 without rotating, in addition, an expansion hose 16 which is hermetically connected with the external threaded pipe 6 is arranged in the internal threaded pipe 7 of the device, the external threaded pipe 6 can be screwed out of the internal threaded pipe 7 when needed, the direction and the length of the joint can be changed through the expansion hose 16 which can be deformed in an expansion mode, and the practicability is high.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The leak-proof hose connector for the hydraulic cylinder comprises a connecting pipe (2) and is characterized in that the bottom end of the connecting pipe (2) is fixedly connected with an inserting pipe (1), the connecting pipe (2) is provided with an annular groove (3), the annular groove (3) is arranged on the outer side of the inserting pipe (1), and the rear side of the annular groove (3) is fixedly connected with a connecting rod (14) on the connecting pipe (2); a locking device is arranged on the annular groove (3); the lower end of the connecting pipe (2) is fixedly connected with an external thread pipe (6), the outer side of the external thread pipe (6) is in threaded connection with an internal thread pipe (7), and a telescopic hose (16) is arranged in the internal thread pipe (7).

2. The leak-proof hose connector for the hydraulic cylinder as claimed in claim 1, wherein the locking device comprises a housing (4), the housing (4) is fixedly connected to the outer side wall of the connecting pipe (2), a rotating shaft (10) is rotatably connected to the housing (4), and a driven bevel gear (11) is fixedly connected to the middle of the rotating shaft (10).

3. The leak-proof hose joint for the hydraulic cylinder as claimed in claim 2, wherein the upper end of the driven bevel gear (11) is engaged with the driving bevel gear (12), the middle part of the upper end of the driving bevel gear (12) is fixedly connected with the driving shaft (5), the upper end of the driving shaft (5) penetrates through the housing (4), and the driving shaft (5) is rotatably connected with the housing (4).

4. The leak-proof hose connector for hydraulic cylinders according to claim 2, wherein the rotating shaft (10) is provided with threaded sections on the left and right sides, the threaded sections on the left and right sides of the rotating shaft (10) have opposite thread directions, and the threaded section of the rotating shaft (10) is threadedly connected with the threaded block (9).

5. The leak-proof hose connector for the hydraulic cylinder as claimed in claim 4, wherein the lower end of the threaded block (9) is fixedly connected with a locking ring sleeve (13), the locking ring sleeve (13) is embedded inside the annular groove (3), one end of the locking ring sleeve (13) far away from the threaded block (9) is fixedly connected with the leak-proof hose connector for the hydraulic cylinder as claimed in claim 1, the upper end of the flexible hose (16) is hermetically connected with the bottom of the external threaded pipe (6), the lower end of the flexible hose (16) is hermetically connected with the internal threaded pipe (7), the outer side of the lower end of the internal threaded pipe (7) is fixedly connected with a nut (8), the nut (8) is a hexagon nut, and the nut (8), the connecting pipe (2), the external threaded pipe (6), the flexible hose (16) and the internal threaded pipe (7) are communicated with each other.