CN210890526U

CN210890526U - Quick connecting piece for automobile rubber hose

Info

Publication number: CN210890526U
Application number: CN201921669421.8U
Authority: CN
Inventors: 马靖
Original assignee: Hebei Hongan Auto Parts Co ltd
Current assignee: Hebei Hongan Auto Parts Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-06-30
Anticipated expiration: 2029-10-08

Abstract

A quick connecting piece for an automobile rubber pipe belongs to the technical field of automobile parts, and is used for quickly connecting the rubber pipe. The technical scheme is as follows: the sheathed tube pipe wall circumference equipartition has three spring card groove, three spring card groove's length direction is along sleeve pipe cylinder horizontal cross-section, the spring is jagged circle ring spring, there is three inside tight arch of clamp on the spring circumference, it is relative respectively with sheathed tube three spring card groove to press from both sides tight bellied position, the three tight arch of clamp of spring is embedded into sheathed tube three spring card groove respectively, the checkpost is arc rectangle slab, the both ends of checkpost have the vertically open slot respectively, the both ends of spring have the planar elbow of perpendicular to spring respectively, the elbow at spring both ends inlays respectively in the open slot at checkpost both ends. The utility model discloses simple structure, convenient to use, connection are quick, press from both sides tightly firm, and assembly efficiency is high, and the assembly is firm, can not loosen and take off behind the chucking, also can not cause the damage to the rubber tube to can save time, improve work efficiency.

Description

Quick connecting piece for automobile rubber hose

Technical Field

The utility model relates to a replace quick-operation joint spare that clamp is connected rubber tube and other parts belongs to automobile parts technical field.

Background

Rubber tubes are common parts of automobiles, and are generally connected with other parts by using hoops or hoops. When in connection, the hoop is firstly sleeved on the rubber pipe, then the rubber pipe is forcibly installed on the aluminum alloy air inlet pipeline, and the fastening bolt of the hoop is screwed by a screwdriver, so that the rubber pipe and the aluminum alloy air inlet pipeline are fastened and connected by the hoop. The connection method is widely applied, and not only is the method adopted when the automobile rubber pipe is connected, but also the method is mostly used when the rubber pipe is connected in other industries. However, in use, the connection mode has many defects, and most importantly, when the connection operation is carried out, if the tightening screw is not screwed enough, the tightening is not firm, the tightening is easy to loosen, and accidents of water leakage, oil leakage or air leakage occur, so that serious consequences can be caused; if the screw is screwed too tightly, the surface of the rubber hose is damaged, the rubber hose can be damaged, and accidents can also happen. With the development of production and the progress of technology, it is desirable for maintenance personnel to develop a new connecting member to replace a clamp so as to quickly connect a hose during production, and to facilitate replacement and improve work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a car rubber tube quick connector is provided, this kind of connecting piece can connect the car rubber tube fast conveniently, can not take place the pine and take off, also can not cause the damage to the rubber tube, firm in connection can save time, improves work efficiency.

The technical scheme for solving the technical problems is as follows: a quick connector for automobile rubber tube is composed of a sleeve tube, a spring and a clip, wherein the sleeve tube is a metal cylinder, three spring clamping grooves are arranged on the tube wall of the sleeve tube, the three spring clamping grooves are arranged on the same horizontal section of the sleeve tube, the three spring clamping grooves are uniformly distributed on the circumference of the sleeve tube along the plane of the horizontal section of the sleeve tube, the spring is a circular ring-shaped spring, three inward clamping protrusions are arranged on the circumference of the spring, the positions of the clamping protrusions are respectively opposite to the three spring clamping grooves of the sleeve tube, a notch is arranged on the circumference of the circular ring-shaped spring and is positioned between the two clamping protrusions of the spring, the notch is opposite to the other clamping protrusion at the two ends of the center of the circular ring-shaped spring, the three clamping protrusions of the spring are respectively embedded into the three spring clamping grooves of the sleeve tube, the, the arc radian of the plate sheet is matched with the arc circumference of the sleeve, the two ends of the clip are respectively provided with a vertical open slot, the two ends of the spring are respectively provided with an elbow which is vertical to the plane of the spring, and the elbows at the two ends of the spring are respectively embedded in the open slots at the two ends of the clip.

Above-mentioned car rubber tube quick connect coupler, two tight archs of clamp of spring breach both sides are the triangle-shaped respectively and buckle, and another is buckled for the U type with the tight arch of clamp that the spring breach is relative on the spring circumference, buckles the length phase-match with the length that the triangle-shaped buckles with two triangles on the sleeve pipe, buckles the length phase-match with the length that the U type buckles the relative spring draw-in groove with the U type on the sleeve pipe.

According to the automobile rubber tube quick connecting piece, the circumferential diameter of a ring formed by the inner sides of the three clamping protrusions in the free state of the spring is smaller than the outer diameter of the rubber tube, the spring is clamped behind the circumference of the rubber tube, and the inner sides of the three clamping protrusions of the spring are clamped on the outer wall of the rubber tube.

Above-mentioned car rubber tube quick connect piece, the below of two spring draw-in grooves relative with spring triangle-shaped buckle of sheathed tube is connected with the lockhole, has the locking lever of perpendicular to face respectively on the inboard face at checkpost both ends, and the diameter of the locking lever head of locking lever front end is greater than the diameter of lockhole, and the locking lever is relative with sheathed tube lockhole, and the body of rod of locking lever inlays in sheathed tube lockhole.

Above-mentioned car rubber tube quick connect coupler, two spring card grooves of sheathed tube have interface channel with below lockhole, and interface channel's width is less than the width of lockhole, and the locking lever width of checkpost matches with interface channel's width.

Above-mentioned car rubber tube quick connect coupler, rectangular locking opening in addition on the casing wall, the locking opening is located two triangles and buckles on the casing wall between the relative spring draw-in groove, has decurrent L type crotch on the inboard face of checkpost intermediate position, and the crotch is relative with the locking opening, and the crotch card is on the lower limb of locking opening downwards.

The utility model has the advantages that:

the sleeve of the utility model is sleeved on the periphery of the rubber tube, the spring and the clamp the rubber tube by the sleeve, and the sleeve is the main body of the quick connecting piece; the spring is a part for clamping the rubber tube by the quick connecting piece, and is folded towards the middle by the elasticity of the spring after being embedded into the spring clamping groove of the sleeve, so that the rubber tube and the pipeline are clamped and fixed; the clamp is positioned on the outer side of the sleeve, the clamp and the sleeve are connected with a lock hole of the sleeve through a lock rod of the clamp, after the spring clamps the rubber tube, elbows at two ends of the spring are embedded into open grooves at two ends of the clamp, and the open grooves at two ends of the clamp can prevent the elbows of the spring from moving backwards, so that the spring is prevented from loosening;

the utility model discloses simple structure, convenient to use, connection are quick, press from both sides tightly firm, and the product relies on the effective elasticity of spring to fasten the rubber tube, compares with the fastening mode of hoop and bolt, and quick-connect component's assembly efficiency is high, and the assembly is more firm, can not loosen and take off behind the chucking, also can not cause the damage to the rubber tube to can save time, improve work efficiency, be the good substitute product of current connected mode.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded schematic view of FIG. 1;

FIG. 3 is a top view of the structure of the spring without the hose clamping;

FIG. 4 is a top view of the structure after the spring clamps the rubber tube;

FIG. 5 is a schematic structural view of the sleeve;

FIGS. 6 and 7 are top and front views of the clip;

fig. 8 is a schematic view of the connection of the sleeve and the clip.

The figures are labeled as follows: the clamping device comprises a sleeve 1, a spring 2, a clamp 3, a spring clamping groove 4, a notch 5, a clamping bulge 6, a triangular bend 7, a U-shaped bend 8, an elbow 9, an open slot 10, a lock hole 11, a lock rod 12, a locking notch 13, a hook 14 and a connecting channel 15.

Detailed Description

The utility model discloses constitute by sleeve pipe 1, spring 2, checkpost 3.

The figure shows that a sleeve 1 is sleeved on the periphery of a rubber pipe, a spring 2 and a clamp 3 rely on the sleeve 1 to clamp the rubber pipe, and the sleeve 1 is a main body of the quick connecting piece. Sleeve pipe 1 is the metal cylinder, has three spring clamping groove 4 on sleeve pipe 1's the pipe wall, and three spring clamping groove 4 is on the same horizontal cross-section of sleeve pipe 1 cylinder, and three spring clamping groove 4 is along sleeve pipe 1 cylinder horizontal cross-section's plane at the length direction of the three spring clamping groove 4 of the circumference equipartition of sleeve pipe 1 cylinder. The spring 2 is supported and fastened to the rubber tube through three spring clamping grooves 4 of the sleeve 1.

The diameter of the sleeve 1 is 40-70mm, and the height is 40-60 mm.

The figure shows that the spring 2 is a circular ring spring, three inward clamping protrusions 6 are arranged on the circumference of the spring 2, the positions of the clamping protrusions 6 are respectively opposite to three spring clamping grooves 4 of the sleeve 1, two of the clamping protrusions 6 are respectively triangular bent 7, and the other clamping protrusion is U-shaped bent 8. The length of the spring clamping grooves 4 opposite to the two triangular bends 7 on the sleeve 1 is matched with the length of the triangular bends 7, and the length of the spring clamping grooves 4 opposite to the U-shaped bends 8 on the sleeve 1 is matched with the length of the U-shaped bends 8. The three clamping projections 6 of the spring 2 engage in the three spring receptacles 4 of the sleeve 1.

The figure shows that the circular ring spring 2 is provided with a notch 5 on the circumference, the notch 5 is positioned between two clamping bulges 6 of the triangular bend 7 of the spring 2, and the notch 5 is opposite to the other clamping bulge 6 of the U-shaped bend 8 at two ends of the center of the circular ring spring 2.

Since the annular spring 2 has the notch 5, the spring 2 can be opened toward the outer periphery. When the rubber tube is not clamped, the spring 2 is positioned outside the sleeve 1, and the outer wall of the sleeve 1 props the spring 2 outwards to enable the spring 2 to be in a tension state; after the three clamping bulges 6 of the spring 2 are embedded into the spring clamping grooves 4 of the sleeve 1, the spring 2 is restored to a free state, the circumferential diameter of a circular ring formed by the inner sides of the three clamping bulges 6 of the spring 2 is smaller than the outer diameter of the rubber tube, and the inner sides of the three clamping bulges 6 of the spring 2 are clamped on the outer wall of the rubber tube.

The figure shows that the clip 3 is a rectangular plate, the rectangular plate of the clip 3 is bent into an arc, and the arc radian of the plate is matched with the arc of the circumference of the sleeve 1. The both ends of checkpost 3 have vertically open slot 10 respectively, and the both ends of spring 2 have the planar elbow 9 of perpendicular to spring 2 respectively, and behind spring 2 embedding sleeve pipe 1's spring draw-in groove 4, the elbow 9 at spring 2 both ends moves forward respectively, inlays 10 in the open slot at checkpost 3 both ends, and open slot 10 can prevent that spring 2's elbow 9 from moving backward, avoids taking place the pine to take off after spring 2 presss from both sides tightly.

The clip 3 and the sleeve 1 are shown connected by a locking hole 11, a locking bar 12, a locking slit 13 and a hook 14.

The lower parts of two spring clamping grooves 4 of the sleeve 1, which are opposite to triangular bends 7 at two ends of the spring 2, are connected with locking holes 11, the inner side plate surfaces at two ends of the clip 3 are respectively provided with a locking rod 12, the locking rod 12 is perpendicular to the plate surfaces, the diameter of a locking rod head at the front end of the locking rod 12 is larger than that of the locking hole 11, the locking rod 12 is opposite to the locking hole 11 of the sleeve 1, and the rod body of the locking rod 12 is embedded in the locking hole 11 of the sleeve 1.

Two spring clamping grooves 4 of sleeve pipe 1 have the connecting channel 15 with below lockhole 11, and the width of connecting channel 15 is less than the width of lockhole 11, and the locking lever 11 width of checkpost 3 matches with the opening width of connecting channel 15. When the lock rod 12 is connected with the lock hole 11, the lock rod head is arranged in the spring clamping groove 4 of the sleeve 1, the lock rod 12 is opposite to the connecting channel 15 above the lock hole 11, the lock rod 12 moves downwards, the lock rod 12 enters the lock hole 11 through the connecting channel 15, the lock rod head is positioned on one side of the inner wall of the sleeve 1 at the moment, the diameter of the lock rod head is larger than the width of the connecting channel 15 and is also larger than the lock hole 11, when the lock rod 12 passes through the connecting channel 15, the lock rod head is clamped on the inner sides of the connecting channel 15 and the lock hole 11, the lock rod 12 cannot be pulled outwards, and two ends of the clamp 3 are connected with the sleeve 1 through.

Meanwhile, a rectangular locking opening 13 is formed in the sleeve wall, the locking opening 13 is located in the sleeve wall between the two spring clamping grooves 4 opposite to the triangular bending 7, a downward L-shaped hook 14 is arranged on the inner side plate surface in the middle of each clamp 3, the hook 14 is opposite to the locking opening 13, and the hook 14 is clamped downwards on the lower edge of the locking opening 13.

When taking off checkpost 3, upwards promote the both ends and the centre of checkpost 3 simultaneously, the locking lever 12 at checkpost 3 both ends is upwards, can outwards withdraw from when the locking lever head reachs spring clamp groove 4, and the crotch 14 in the middle of checkpost 3 is upwards can break away from locking opening 13, and the open slot 10 at checkpost 3 both ends is simultaneously upwards removed, breaks away from spring 2's elbow 9, and checkpost 3 can be separated with sleeve pipe 1 and spring 2.

The utility model discloses a use method as follows:

firstly, a spring 2 is sleeved on a sleeve 1, three clamping protrusions 6 of the spring 2 are respectively opposite to three spring clamping grooves 4 of the sleeve 1, but the spring 2 is not pushed into the spring clamping grooves 4 and is in a tensioning state;

then, sleeving the sleeve 1 on the rubber tube, sleeving the rubber tube on the aluminum alloy air inlet pipe, and moving the sleeve to a fastening position of the rubber tube and the aluminum alloy air inlet pipe;

the spring 2 is pushed forwards, so that the three clamping bulges 6 of the spring 2 respectively enter the three spring clamping grooves 4, the triangular bends 7 at the two sides of the spring 2 contract inwards under the action of the elasticity of the spring, and the circumference diameter of a ring formed by the inner sides of the three clamping bulges 6 of the spring 2 in a free state is smaller than the outer diameter of the rubber hose, so that the inner sides of the three clamping bulges 6 are clamped on the outer wall of the rubber hose after the spring 2 contracts, and the rubber hose is fastened;

a lock rod 12 at one end of a clip 3 is connected with a lock hole 11 of a sleeve 1, and an elbow 9 of a spring 2 in a spring clamping groove 4 above the lock hole 11 is embedded into an open groove 10 at the end of the clip 3;

then an L-shaped hook 14 in the middle of the clip 3 is downwards clamped on the lower edge of the locking notch 13 of the sleeve 1, so that the middle of the clip 3 is connected with the sleeve 1;

finally, the head of the lock rod 12 at the other end of the clip 3 is connected with the other lock hole 11 of the sleeve 1, and the elbow 9 of the spring 2 in the spring clamping groove 4 above the lock hole 11 is embedded into the open groove 10 at the end of the clip 3, so that the rubber pipe is fastened and connected by the whole connecting piece.

The connection of the rubber tube is released, and the operation in the opposite direction can be realized.

The utility model discloses an embodiment as follows:

the diameter of the sleeve 1 is 75mm, and the height is 35 mm;

the diameter of the spring 2 is 83 mm;

the length of the clip 3 is 72mm, and the width is 14 mm;

the lengths of the spring clamping grooves 4 are 14mm, 22mm and 22mm respectively.

Claims

1. The utility model provides an automobile rubber tube quick connector which characterized in that: the spring clamping device is composed of a sleeve (1), springs (2) and clips (3), wherein the sleeve (1) is a metal cylinder, three spring clamping grooves (4) are formed in the wall of the sleeve (1), the three spring clamping grooves (4) are formed in the same horizontal section of the cylinder of the sleeve (1), the three spring clamping grooves (4) are uniformly distributed on the circumference of the cylinder of the sleeve (1) along the plane of the horizontal section of the cylinder of the sleeve (1) along the length direction of the three spring clamping grooves (4), the spring (2) is a circular ring-shaped spring, three inward clamping protrusions (6) are formed on the circumference of the spring (2), the positions of the clamping protrusions (6) are respectively opposite to the three spring clamping grooves (4) of the sleeve (1), a notch (5) is formed in the circumference of the circular ring-shaped spring (2), the notch (5) is located between the two clamping protrusions (6) of the spring (2), and the notch (5) is opposite to the other clamping protrusion, three clamping protrusion (6) of spring (2) are embedded into three spring clamping groove (4) of sleeve pipe (1) respectively, checkpost (3) are the rectangle slab, the rectangle slab bending of checkpost (3) is the arc, the curved radian of slab and the circumference arc phase-match of sleeve pipe (1), the both ends of checkpost (3) have vertically open slot (10) respectively, the both ends of spring (2) have perpendicular to spring (2) planar elbow (9) respectively, elbow (9) at spring (2) both ends are inlayed respectively in open slot (10) at checkpost (3) both ends.

2. The quick connector for automobile rubber hoses according to claim 1, characterized in that: two clamping protrusions (6) on two sides of the spring notch (5) are respectively triangular bending protrusions (7), the other clamping protrusion (6) opposite to the spring notch (5) on the circumference of the spring (2) is U-shaped bending protrusion (8), the length of a spring clamping groove (4) opposite to the two triangular bending protrusions (7) on the sleeve (1) is matched with the length of the triangular bending protrusion (7), and the length of the spring clamping groove (4) opposite to the U-shaped bending protrusion (8) on the sleeve (1) is matched with the length of the U-shaped bending protrusion (8).

3. The quick connector for automobile rubber hoses according to claim 2, characterized in that: the circumference diameter of a circular ring formed by the inner sides of the three clamping bulges (6) of the spring (2) in a free state is smaller than the outer diameter of the rubber tube, the spring (2) is clamped behind the circumference of the rubber tube, and the inner sides of the three clamping bulges (6) of the spring (2) are clamped on the outer wall of the rubber tube.

4. The quick connector for automobile rubber hoses according to claim 3, characterized in that: the utility model discloses a lock sleeve, including casing (1), the below of two spring clamp groove (4) relative with triangle-shaped of spring (2) are buckled (7) is connected with lockhole (11), has locking lever (12) of perpendicular to face on the inboard face at checkpost (3) both ends respectively, and the width of the locking lever head of locking lever (12) front end is greater than the diameter of lockhole (11), and lockhole (11) of casing (1) are relative in locking lever (12), and the body of rod of locking lever (12) inlays in lockhole (11) of casing (1).

5. The quick connector for automobile rubber hoses according to claim 4, characterized in that: two spring clamp grooves (4) of sleeve pipe (1) have interface channel (15) with below lockhole (11), and the width of interface channel (15) is less than the diameter of lockhole (11), and locking lever (12) width and the width phase-match of interface channel (15) of checkpost (3).

6. The quick connector for automobile rubber hoses according to claim 5, characterized in that: the sleeve wall is also provided with a rectangular locking opening (13), the locking opening (13) is positioned on the sleeve wall between two spring clamping grooves (4) which are opposite to each other in a triangular bending mode (7), the inner side plate surface of the middle position of each clamp (3) is provided with a downward L-shaped hook (14), each hook (14) is opposite to the corresponding locking opening (13), and each hook (14) is downwards clamped on the lower edge of the corresponding locking opening (13).