CN210218992U

CN210218992U - Buckling and pressing type hose connector with threaded structure

Info

Publication number: CN210218992U
Application number: CN201921040728.1U
Authority: CN
Inventors: Zhiyang Jiang; 姜至阳; Haizhou Ma; 马海舟
Original assignee: Sunbun Group Co Ltd
Current assignee: Sunbun Group Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-31
Anticipated expiration: 2029-07-05

Abstract

A buckling type hose connector with a threaded structure. The problem of current hose nipple's slot type plug fracture easily, and hose nipple warp easily after withholding and is difficult to install is solved. It includes hydraulic hose, plug and sleeve, the plug on be equipped with and be used for fixed external nut, plug and the spacing circumferential direction cooperation of external nut axial, the plug on be equipped with screw thread portion and latch portion, telescopic inner wall is equipped with the fixed part, the fixed part cover locate outside the screw thread portion, sleeve and plug threaded connection and make plug can sleeve circumferential direction relatively, hydraulic hose insert in the sleeve and make hydraulic hose and plug latch portion laminate mutually through withholding, the screw thread portion of plug on be equipped with the lock nut who is used for sleeve locking, lock nut and sleeve laminate mutually. The utility model discloses still have simple structure, compactness, convenient assembling, the action is reliable, advantages such as long service life.

Description

Buckling and pressing type hose connector with threaded structure

Technical Field

The utility model relates to a hose nipple, concretely relates to formula hose nipple is withheld to threaded structure.

Background

The fluid pipeline is a channel for transferring fluid medium, and the pipeline mainly comprises two modes of hoses and hard pipes for conveying fluid to other working elements, and is one of important auxiliary elements in the whole fluid operation system; compared with a hard pipe, the hose has the advantages of being simple and convenient to move, convenient to process, low in cost and the like, is more and more favored by different industries, and is applied to multiple fields of automobiles, mining machinery, railway traffic, construction machinery and the like. The existing hose is usually connected with a hose connector when in use, the common buckling type hose connector generally comprises a connector body and a connecting nut which is rotatably connected to one end of the connector body, when in use, one end with the connecting nut is detachably connected with machine equipment, the other end of the connecting nut is inserted into the hose, a sleeve is sleeved outside the hose, and a special device is used for pressing the sleeve, so that the hose is pressed on the connector body. The rubber tube buckling and pressing type hose joints widely used in the market at present are all groove type structures, namely, on a core rod or even a groove, a sleeve is clamped into the groove and is buckled and pressed integrally, so that a hose is fixed between the sleeve and the core rod, and the structure is simple, but under the action of high pressure and high flow rate of oil liquid, the hydraulic hose and the buckling and pressing type hose core rod are easy to separate and break; in addition, in the actual use process, the two ends of the hose are usually provided with joints, but if the joints at the two ends are all 90 degrees or 135 degrees or other angles which are not 180 degrees, the joint nut faces towards the fixed direction after the hose joints are buckled, and the nuts at the two ends are not easy to match with other parts after the nuts face towards the fixed direction, because the buckling often has processing errors and joint deformation generated during buckling, the joint nut of the buckling and pressing joint often does not face towards a required position (particularly, when the joints at the two ends are not 180 degrees, the angle deviation of about 10 degrees is common), because the grooved core rod and the sleeve are both made of metal, the grooved core rod and the sleeve are difficult to adjust the angle after buckling, so that the joint cannot be adjusted and installed during specific installation, if the sleeve is installed with a problem after buckling, the angle of the rotary grooved core rod cannot be adjusted, and the grooved core rod cannot be used; the groove type core rod is provided with the annular groove, so that the strength of the core rod is weakened, the core rod is easy to break, and particularly, potential safety hazards exist during buckling and high-pressure use.

SUMMERY OF THE UTILITY MODEL

The groove type core rod for solving the prior hose connector in the background art is easy to break, and the hose connector is easy to deform after buckling and is not easy to install, the utility model provides a buckle type hose connector with a threaded structure.

The technical scheme of the utility model is that: the utility model provides a withhold formula hose nipple of threaded structure, includes joint Assembly and hydraulic hose, joint Assembly include plug and sleeve, the plug on be equipped with and be used for fixed external nut, plug and the spacing circumferential direction normal running fit of external nut axial, the plug on be equipped with screw thread portion and latch portion, be equipped with the fixed part on the telescopic inner wall, fixed part cover locate outside the screw thread portion, sleeve and plug threaded connection and make plug can sleeve circumferential direction relatively, hydraulic hose insert in the sleeve and make hydraulic hose and plug latch portion laminate mutually through withholding, the screw thread portion of plug on be equipped with the lock nut who is used for sleeve locking, lock nut and sleeve laminate mutually.

As an improvement of the utility model, the equal cavity of external nut, plug, sleeve and hydraulic hose sets up and communicates each other.

As a further improvement, the sleeve inner wall be equipped with barb portion, the outer wall of hydraulic hose and telescopic barb portion are laminated mutually, and the inner wall of hydraulic hose and the latch portion of plug are laminated mutually.

As a further improvement of the utility model, the distance between the sleeve fixing part and the sleeve central shaft is less than the distance between the barb part and the sleeve central shaft.

As a further improvement of the present invention, the hydraulic hose is inserted into the sleeve and is offset from the fixed portion of the sleeve, and the barb portion of the sleeve is pressed by the fastening portion of the hydraulic hose to make the hydraulic hose and the mandrel latch portion to be attached to each other.

As a further improvement, the outer wall of the core rod protrudes outwards to form a plurality of rows of bosses which are arranged in parallel to form the clamping tooth part.

As a further improvement of the utility model, the locking nut is arranged between the external nut and the sleeve.

As a further improvement of the utility model, the hydraulic hose is integrally formed by corrosion-resistant plastic or rubber.

As a further improvement, the two ends of the hydraulic hose are respectively provided with a joint component, the joint components are communicated with each other through the hydraulic hose, and the centers of the two joint components form a included angle a.

As a further improvement, the mandrel is arc-shaped, the external nut and the sleeve are arranged at two ends of the mandrel, and the central axis of the external nut and the central axis of the sleeve form an included angle b.

The utility model has the advantages that the threaded core rod is arranged, the groove is not needed, the strength is good, the processing is convenient, the core rod is effectively prevented from being broken, and the safety of the hose joint is greatly improved; the locking nut is arranged, the sleeve and the hydraulic hose are fixed and reliable through the locking nut, shaking is not prone to occurring in the working process, the locking nut is loosened to buckle the rotating core rod, and a certain installation angle is finely adjusted, so that the installation is convenient to conduct. The utility model discloses still have simple structure, compactness, convenient assembling, the action is reliable, advantages such as long service life.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic structural view in another direction of fig. 1.

Fig. 3 is a schematic structural view of the joint assembly 1 of fig. 1.

Fig. 4 is a schematic half-sectional view of another embodiment of the joint assembly of fig. 3.

Fig. 5 is a schematic diagram of the exploded structure of fig. 4.

In the figure, 1, a joint assembly; 2. a hydraulic hose; 3. a core rod; 31. a threaded portion; 32. a latch part; 321. a boss; 4. a sleeve; 41. a fixed part; 42. a barb portion; 5. externally connecting a nut; 6. and locking the nut.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 and fig. 2 to 5, a snap-fit type hose connector with a threaded structure comprises a connector assembly 1 and a hydraulic hose 2, the joint component 1 comprises a core rod 3 and a sleeve 4, an external nut 5 for fixing is arranged on the core rod 3, the mandrel 3 is axially limited and circumferentially matched with the external nut 5 in a rotating way, the mandrel 3 is provided with a thread part 31 and a clamping tooth part 32, the inner wall of the sleeve 4 is provided with a fixing part 41, the fixing part 41 is sleeved outside the thread part 31, the sleeve 4 is in threaded connection with the core rod 3 and enables the core rod 3 to rotate circumferentially relative to the sleeve 4, the hydraulic hose 2 is inserted into the sleeve 4 and the hydraulic hose 2 is attached to the clamping tooth part 32 of the core rod 3 by buckling, the thread part 31 of the core rod 3 is provided with a locking nut 6 for locking the sleeve 4, and the locking nut 6 is attached to the sleeve 4. The utility model has the advantages that the threaded core rod is arranged, the groove is not needed, the strength is good, the processing is convenient, the core rod is effectively prevented from being broken, and the safety of the hose joint is greatly improved; the locking nut is arranged, the sleeve and the hydraulic hose are fixed and reliable through the locking nut, shaking is not prone to occurring in the working process, the locking nut is loosened to buckle the rotating core rod, and a certain installation angle is finely adjusted, so that the installation is convenient to conduct. The utility model discloses still have simple structure, compactness, convenient assembling, the action is reliable, advantages such as long service life.

When the hydraulic hose is buckled and pressed, the locking nut is screwed in, the buckling sleeve is screwed in, the hydraulic hose is inserted, the hydraulic hose is placed into the buckling and pressing machine for buckling and pressing, and after the buckling and pressing is finished, the buckling and pressing sleeve is prevented from loosening through the locking nut. For the problem that the external nut faces after the hose connector of 90 degrees or 135 degrees or any other non-180 degrees is buckled, the locking nut can be loosened to finely adjust a certain installation angle according to the specified direction. The utility model discloses sleeve and plug threaded connection, and only withhold sleeve barb portion when withholding, the sleeve still can relative plug screw thread rotate, owing to set up the hydraulic hose between withholding back sleeve barb portion and the plug latch portion, the hydraulic hose is plastics or rubber materials shaping usually, consequently after loosening the locking nut, the plug can relative sleeve rotate, does not have withhold back hydraulic hose because the angle problem leads to the problem of unable installation when the installation. The utility model discloses simple structure, and the batch application is in production for a plurality of years, safe and reliable. The utility model has compact and simple appearance structure, and can not occupy extra installation space; 2. the strength is firm, the fracture is effectively prevented, and the safety of the joint is greatly improved; 3. the buckling structure is particularly suitable for a small hose (because the shape structure of a core rod of the small hose is very small, a groove with enough depth needs to be turned on the outer circle of the core rod, the strength of the core rod is greatly reduced, generally, the small hose is 3 mm to 25 mm.) 4. after buckling, the rotating core rod can rotate for a certain angle, and the installation can not be carried out due to the angle problem after buckling.

The external nut 5, the core rod 3, the sleeve 4 and the hydraulic hose 2 are all arranged in a hollow mode and are communicated with each other. The structure ensures that the product can reliably guide oil and has simple structure.

The inner wall of the sleeve 4 is provided with a barb part 42, the outer wall of the hydraulic hose 2 is attached to the barb part 42 of the sleeve 4, and the inner wall of the hydraulic hose 2 is attached to the latch part 32 of the mandrel 3. The barb part and the clamping tooth part are matched with each other, so that the hydraulic hose can be reliably fixed after being buckled and pressed, meanwhile, the hydraulic hose is not easy to loosen, and the safety performance is high.

The distance between the fixing part 41 of the sleeve 4 and the central axis of the sleeve 4 is smaller than the distance between the barb part 42 and the central axis of the sleeve 4. Specifically, the hydraulic hose 2 is inserted into the sleeve 4 and abuts against the fixing portion 41 of the sleeve 4, and the hydraulic hose 2 is pressed at the barb portion 42 of the sleeve 4 to make the hydraulic hose 2 fit with the latch portion 32 of the core rod 3. The structure ensures that the sleeve is convenient and reliable to fix and simple in structure, and simultaneously the core rod and the sleeve can rotate relatively to adjust the installation angle of a product.

The outer wall of the core rod 3 protrudes outwards to form a plurality of rows of bosses 321, and the plurality of rows of bosses 321 are arranged in parallel to form the latch part 32. Specifically, the locking nut 6 is arranged between the external nut 5 and the sleeve 4. More specifically, the hydraulic hose 2 is integrally formed by corrosion-resistant plastic or rubber. Such structure is convenient for during operation locking sleeve, avoids the hydraulic pressure hose to rock, and the security is higher, and the installation angle of convenient adjustment product is rotated relatively to plug, sleeve of being convenient for when loosening lock nut.

The two ends of the hydraulic hose 2 are respectively provided with a joint component 1, the joint components 1 are communicated through the hydraulic hose 2, and the centers of the two joint components 1 form an included angle a. Specifically, the core rod 3 is arranged in an arc shape, the external nut 5 and the sleeve 4 are arranged at two ends of the core rod 3, and an included angle b is formed between the central axis of the external nut 5 and the central axis of the sleeve 4. The structure enables the product to be adaptive to pipeline connection of different products with different angles, is convenient and reliable to mount, and is not affected by specific angles of the products.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. A withholding type hose connector with a threaded structure comprises a connector component (1) and a hydraulic hose (2), and is characterized in that the connector component (1) comprises a core rod (3) and a sleeve (4), an external nut (5) for fixing is arranged on the core rod (3), the core rod (3) is axially limited and circumferentially and rotationally matched with the external nut (5), a threaded portion (31) and a clamping tooth portion (32) are arranged on the core rod (3), a fixing portion (41) is arranged on the inner wall of the sleeve (4), the fixing portion (41) is sleeved outside the threaded portion (31), the sleeve (4) is in threaded connection with the core rod (3) and enables the core rod (3) to circumferentially rotate relative to the sleeve (4), the hydraulic hose (2) is inserted into the sleeve (4) and enables the hydraulic hose (2) to be attached to the clamping tooth portion (32) of the core rod (3) through withholding, the locking device is characterized in that a locking nut (6) used for locking the sleeve (4) is arranged on the threaded portion (31) of the core rod (3), and the locking nut (6) is attached to the sleeve (4).

2. The buckling type hose connector with the threaded structure according to claim 1, wherein the external nut (5), the core rod (3), the sleeve (4) and the hydraulic hose (2) are all arranged in a hollow manner and are communicated with each other.

3. The buckling-pressing type hose connector with the threaded structure as claimed in claim 1, wherein the inner wall of the sleeve (4) is provided with the barb portion (42), the outer wall of the hydraulic hose (2) is attached to the barb portion (42) of the sleeve (4), and the inner wall of the hydraulic hose (2) is attached to the clamping tooth portion (32) of the mandrel (3).

4. A crimping type hose coupler according to claim 3, wherein the distance between the fixing portion (41) of the sleeve (4) and the central axis of the sleeve (4) is smaller than the distance between the barb portion (42) and the central axis of the sleeve (4).

5. The crimping type hose connector with the threaded structure according to claim 3, wherein the hydraulic hose (2) is inserted into the sleeve (4) and abuts against the fixing portion (41) of the sleeve (4), and the hydraulic hose (2) is attached to the clamping portion (32) of the core rod (3) at the barb portion (42) of the sleeve (4) through crimping.

6. The buckle-type hose connector with thread structure as claimed in claim 2, wherein the outer wall of the core rod (3) projects outward with a plurality of rows of projections (321), the plurality of rows of projections (321) being arranged in parallel to form the teeth (32).

7. The buckling type hose connector with the threaded structure as claimed in claim 1, wherein the locking nut (6) is arranged between the external nut (5) and the sleeve (4).

8. The buckling type hose connector with the threaded structure as claimed in claim 1, wherein the hydraulic hose (2) is integrally formed of corrosion-resistant plastic or rubber.

9. The buckling-pressing type hose connector with the threaded structure according to claim 1, wherein the two ends of the hydraulic hose (2) are respectively provided with the connector component (1), the connector components (1) are communicated through the hydraulic hose (2), and an included angle a is formed between the centers of the two connector components (1).

10. The buckling-pressing type hose connector with the threaded structure according to claim 9, wherein the core rod (3) is arranged in an arc shape, the external nut (5) and the sleeve (4) are arranged at two ends of the core rod (3), and an included angle b is formed between a central axis of the external nut (5) and a central axis of the sleeve (4).