CN218441173U

CN218441173U - Combined rubber pipe quick connecting piece

Info

Publication number: CN218441173U
Application number: CN202222377428.0U
Authority: CN
Inventors: 马靖
Original assignee: Hebei Hongan Auto Parts Co ltd
Current assignee: Hebei Hongan Auto Parts Co ltd
Priority date: 2022-09-07
Filing date: 2022-09-07
Publication date: 2023-02-03
Anticipated expiration: 2032-09-07

Abstract

A combined rubber hose quick connecting piece comprises a sleeve, a spring and a clamp; the side wall of the sleeve is provided with four groups of spring avoidance holes and four groups of clip assembly holes, and the two groups of clip assembly holes are arranged below two adjacent groups of spring avoidance holes; the spring is an open ring spring, four groups of bulges bent inwards are arranged on the spring, and the four groups of bulges bent inwards respectively penetrate through the four groups of spring avoiding holes in the side wall of the sleeve; the checkpost sets up two sets ofly, and wherein every a set of joint assembly portion and the spring locking portion of all being equipped with of checkpost, the checkpost passes through the joint assembly portion and installs in the checkpost pilot hole on the sleeve pipe lateral wall, the upper portion and the spring locking portion of joint assembly portion are connected, spring locking portion is inside flange structure, and is fixed with the spring locking through spring locking portion. The utility model discloses a convenience that the rubber tube is connected with the metal mouth of pipe has reached the purpose of guaranteeing checkpost self intensity, extension connecting piece life.

Description

Combined rubber tube quick connecting piece

Technical Field

The utility model relates to a connecting piece, especially a be suitable for rubber tube high-speed joint's combination formula connecting piece.

Background

The hose is a common component of a hydraulic/pneumatic line and is typically connected to a metal inlet/outlet port of the hydraulic/pneumatic line by a hoop or band. When the rubber pipe is installed, the hoop or the hoop is firstly sleeved on the rubber pipe, then the rubber pipe is sleeved on the liquid/gas inlet/outlet pipe opening made of metal, and the fastening bolt of the hoop is screwed by the screwdriver, so that the rubber pipe is fastened and connected with the liquid/gas inlet/outlet pipe opening made of metal through the hoop. Although the connection method is widely applied at present, in the actual operation process, the bolt fastening force is difficult to control accurately, the screwing tightness is small, the leakage problem is easy to occur, and even serious consequences are caused; if the screw is screwed too tightly, the surface of the rubber tube is damaged, so that the rubber tube is damaged, and the accident potential is also existed.

In order to solve the problems, the automobile rubber pipe quick connecting piece with the patent application number of 201921669421.8 is produced by adopting a sleeve, spring and clamp combined structure, wherein the spring is a ring-shaped opening spring with three groups of inward bulges and is sleeved outside the sleeve, the three groups of inward bulges penetrate through clamping groove holes in the side wall of the sleeve to clamp the rubber pipe, and two ends of the opening of the spring are fixed by clamps in an arc-shaped long strip plate structure. In this quick connecting piece structure of car rubber tube, because checkpost self structure and complicated with sleeve pipe assembly structure, the checkpost should adopt the plastics material, through injection molding process production, consequently not only is difficult to realize the convenience that rubber tube and metal pipe mouth are connected, can not guarantee the intensity of checkpost self moreover, has shortened the life of connecting piece.

SUMMERY OF THE UTILITY MODEL

The utility model provides a modular rubber tube quick connect coupler aims at through the innovative design to sleeve pipe, spring and checkpost and cooperation structure to realize the convenience that rubber tube and metal pipe mouth are connected, reach the purpose of guaranteeing checkpost self intensity, extension connecting piece life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a combined rubber tube quick connector comprises a sleeve, a spring and a clamp; the sleeve is characterized in that spring avoiding holes and clip assembling holes are formed in the side wall of the sleeve, the number of the spring avoiding holes is four, the spring avoiding holes are circumferentially arranged along the side wall of the sleeve, and the number of the clip assembling holes is two, and the clip assembling holes are arranged below the two adjacent groups of the spring avoiding holes; the rubber tube is characterized in that the spring is an open annular spring and is sleeved outside the sleeve, four groups of bulges bent inwards are arranged on the spring, the four groups of bulges bent inwards respectively penetrate through the four groups of spring avoiding holes on the side wall of the sleeve, and the rubber tube is clamped and fixed on a liquid/air inlet/outlet tube opening connected with the rubber tube through the four groups of bulges bent inwards on the spring; the checkpost sets up two sets ofly, and wherein every a set of joint assembly portion and the spring locking portion of all being equipped with, U type bending structure that joint assembly portion was arranged for the level, and the checkpost clamps in the checkpost pilot hole on the sleeve pipe lateral wall through U type bending structure, U type bending structure's upper portion is connected with the spring locking portion, spring locking portion is inside flange structure, fixes the spring locking on the sleeve pipe lateral wall through inside flange structure.

Above-mentioned combination formula rubber tube quick connect coupler, the spring sets up the card foot of outside upset respectively at its opening part both ends, the card foot is connected with the arch of being close to the inside side bend of spring opening to clamp in the same group spring of sleeve pipe lateral wall dodges the hole with the arch of being close to the inside side bend of spring opening.

According to the combined type rubber tube quick connecting piece, the clamp is made of metal materials and is formed through a sheet metal process, the lower portion of the U-shaped bending structure of the clamping assembling portion is provided with the buckle which is turned over downwards, and the buckle avoiding hole is formed in the position, corresponding to the side wall of the sleeve, of the buckle.

According to the combined rubber tube quick connecting piece, the reinforcing ribs with groove structures are arranged on the side wall of the sleeve, and the reinforcing ribs are parallel to the central axis of the sleeve.

Above-mentioned combination formula rubber tube quick connect coupler, strengthening rib quantity is eight groups, evenly arranges along sleeve pipe lateral wall circumference.

In the combined rubber tube quick connecting piece, the four groups of spring avoiding holes in the side wall of the sleeve are positioned on the same cross section of the vertical central axis of the sleeve.

The utility model provides a combined rubber tube quick connector, which removes plastic clips of arc-shaped strip plate structures of the quick connector in the prior art, innovatively designs two groups of clips made of metal materials, each group of clips is provided with a clamping assembly part and a spring locking part, and the clips can be clamped in clip assembly holes on the side wall of a sleeve through the clamping assembly part of a U-shaped bending structure, so that the rubber tube is connected with a liquid/gas inlet/outlet port more quickly and conveniently, the strength of the clips is improved, and the service life of the connector is prolonged; the utility model also arranges the reinforcing ribs with groove structures on the side wall of the sleeve, thus improving the compressive strength of the sleeve and further enhancing the firmness of the connecting piece; the utility model discloses set up four pinch-off contact points between spring and sleeve pipe lateral wall, the clamp force that makes the rubber tube receive is more balanced to reduced the rubber tube and drop and because of the risk that the atress inequality damaged, further guaranteed the sealing performance of rubber tube junction.

Drawings

FIG. 1 is a schematic view of the structure of the combined rubber hose quick connector of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1;

FIG. 3 is a schematic view of a sleeve construction;

FIG. 4 is a schematic view of a spring structure;

fig. 5 is a schematic view of the clip structure.

The figures are numbered as follows:

1 is a sleeve, 1-1 is a spring avoidance hole, 1-2 is a clip assembly hole, 1-3 is a handle avoidance hole, and 1-4 is a reinforcing rib;

2 is a spring, 2-1 is a bulge bent inwards, and 2-2 is a clamping pin;

3 is a clip, 3-1 is a spring locking part, 3-2 is a clamping assembly part, and 3-3 is a handle.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 3, the utility model provides a combined rubber tube quick connector, which comprises a sleeve 1, a spring 2 and a clip 3; four groups of spring avoiding holes 1-1 are arranged on the side wall of the sleeve 1, the four groups of spring avoiding holes 1-1 are circumferentially arranged along the side wall of the sleeve 1 and are positioned on the same cross section of the sleeve perpendicular to the central axis, two adjacent groups of the holes are T-shaped holes, and the other two adjacent groups of the holes are Z-shaped holes; two groups of clip assembling holes 1-2 are also formed in the side wall of the sleeve 1, and the two groups of clip assembling holes 1-2 are arranged below the two adjacent groups of Z-shaped spring avoiding holes 1-1; eight groups of reinforcing ribs 1-4 with groove structures are further arranged on the side wall of the sleeve 1, and the reinforcing ribs 1-4 are parallel to the central axis of the sleeve 1 and are uniformly arranged along the circumferential direction of the side wall of the sleeve 1.

Referring to fig. 1, 2, 3 and 4, a spring 2 of the combined type rubber tube quick connector is an open ring spring, two ends of the opening are respectively provided with an outwardly-turned clamping pin 2-2, the spring 2 is sleeved outside the sleeve 1, the spring 2 is provided with four sets of inwardly-turned protrusions 2-1, the four sets of inwardly-turned protrusions 2-1 can respectively penetrate through four sets of spring avoiding holes 1-1 on the side wall of the sleeve 1, the rubber tube is clamped and fixed on a liquid/gas inlet/outlet connected with the rubber tube through the four sets of inwardly-turned protrusions 2-1 on the spring 2, and the clamping pin 2-2 is connected with the inwardly-turned protrusion 2-1 close to the spring opening and clamped in the same set of Z-shaped spring avoiding hole 1-1 on the side wall of the sleeve 1 close to the spring opening by the inwardly-turned protrusion 2-1.

Referring to fig. 1, fig. 2, fig. 3 and fig. 5, the combined rubber tube quick connector of the present invention has two sets of clips 3, each of which has a clip assembling portion 3-2 and a spring locking portion 3-1, the clip assembling portion 3-2 is a U-shaped bending structure horizontally arranged, the clips are connected to clip assembling holes 1-2 on the side wall of the sleeve 1 through the U-shaped bending structure, the upper portion of the U-shaped bending structure is connected to the spring locking portion 3-1, the spring locking portion 3-1 is an inward flanging structure, and the spring 2 is locked and fixed on the side wall of the sleeve 1 through the inward flanging structure.

Referring to fig. 1 to 5, when the combined type hose quick connector of the present invention is used for connecting a hose with a liquid inlet/outlet/gas pipe port, the sleeve 1 can be sleeved outside the hose; sleeving a spring 2 outside the sleeve 1, enabling four groups of inwards bent bulges 2-1 on the spring 2 to respectively penetrate through four groups of spring avoidance holes 1-1 on the side wall of the sleeve 1, clamping and fixing the rubber tube on a liquid/gas inlet/outlet pipe orifice connected with the rubber tube through the four groups of inwards bent bulges 2-1 on the spring 2, and clamping the clamping feet 2-2 with two outwards turned ends at the opening of the spring 2 and the inwards bent bulges 2-1 close to the opening of the spring in the same group of Z-shaped spring avoidance holes 1-1 on the side wall of the sleeve 1; then clamping assembly parts 3-2 of the U-shaped bending structures of the two groups of clips 3 are clamped in clip assembly holes 1-2 on the side wall of the sleeve 1, and the opening ends of the springs 2 are locked and fixed on the side wall of the sleeve 1 through spring locking parts 3-1 of the clips 3, so that the connection operation of the rubber tube and the liquid/air inlet/outlet tube ports is completed. When the rubber tube needs to be removed from the inlet/outlet liquid/air tube opening, the handle 3-3 at the lower part of the clip 3 can be pulled firstly, the clip 3 is removed from the side wall of the sleeve 1, then the spring 2 is removed, the pressing force of the spring 2 on the rubber tube is released, and then the sleeve 1 and the rubber tube are pulled out from the inlet/outlet liquid/air tube opening together.

Claims

1. The utility model provides a modular rubber tube quick connect coupler which characterized in that: the device comprises a sleeve (1), a spring (2) and a clip (3); the side wall of the sleeve (1) is provided with spring avoidance holes (1-1) and clip assembly holes (1-2), the number of the spring avoidance holes (1-1) is four, the spring avoidance holes are circumferentially arranged along the side wall of the sleeve (1), the number of the clip assembly holes (1-2) is two, and the clip assembly holes are arranged below the two adjacent groups of spring avoidance holes (1-1); the rubber hose is characterized in that the spring (2) is an open annular spring and is sleeved outside the sleeve (1), four groups of protrusions (2-1) bent inwards are arranged on the spring (2), the four groups of protrusions (2-1) bent inwards respectively penetrate through four groups of spring avoiding holes (1-1) in the side wall of the sleeve (1), and the rubber hose is clamped and fixed on a liquid/gas inlet/outlet pipe opening connected with the rubber hose through the four groups of protrusions (2-1) bent inwards on the spring (2); the clamp (3) is provided with two groups, each group of the clamp is provided with a clamping assembly portion (3-2) and a spring locking portion (3-1), the clamping assembly portions (3-2) are horizontally arranged U-shaped bending structures, the clamp is clamped in clamp assembly holes (1-2) in the side wall of the sleeve (1) through the U-shaped bending structures, the upper portions of the U-shaped bending structures are connected with the spring locking portions (3-1), the spring locking portions (3-1) are inward flanging structures, and the springs (2) are locked and fixed on the side wall of the sleeve (1) through the inward flanging structures.

2. The combined type hose quick-connecting member according to claim 1, characterized in that: the spring (2) is characterized in that two ends of an opening of the spring (2) are respectively provided with a clamping pin (2-2) which turns outwards, the clamping pins (2-2) are connected with an inwards bent bulge (2-1) close to the opening of the spring, and are clamped in the same group of spring avoiding holes (1-1) of the side wall of the sleeve (1) close to the opening of the spring and the inwards bent bulge (2-1) close to the opening of the spring.

3. The combined type hose quick-connecting member according to claim 1 or 2, characterized in that: the clip (3) is made of metal and is formed by a sheet metal process, a buckle (3-3) turned downwards is arranged at the lower part of the U-shaped bending structure of the clamping assembly part (3-2), and a buckle avoidance hole (1-3) is arranged at the corresponding position of the side wall of the sleeve (1).

4. The combined hose quick connector according to claim 3, wherein: and reinforcing ribs (1-4) with groove structures are arranged on the side wall of the sleeve (1), and the reinforcing ribs (1-4) are parallel to the central axis of the sleeve (1).

5. The combined type hose quick-connecting member according to claim 4, characterized in that: the number of the reinforcing ribs (1-4) is eight, and the reinforcing ribs are uniformly arranged along the circumferential direction of the side wall of the sleeve (1).

6. The combined hose quick connector according to claim 4, wherein: four groups of spring avoidance holes (1-1) on the side wall of the sleeve (1) are positioned on the same cross section of the vertical central axis of the sleeve.