CN103742727A

CN103742727A - Connection clamp of automobile cooling water pipe

Info

Publication number: CN103742727A
Application number: CN201410002169.0A
Authority: CN
Inventors: 赖荣钢
Original assignee: XIANGSHAN HUAYING PLASTIC ENGINEERING Co Ltd
Current assignee: XIANGSHAN HUAYING PLASTIC ENGINEERING Co Ltd
Priority date: 2014-01-02
Filing date: 2014-01-02
Publication date: 2014-04-23
Anticipated expiration: 2034-01-02
Also published as: CN103742727B

Abstract

The invention discloses a connection clamp of an automobile cooling water pipe. The connection clamp of the automobile cooling water pipe comprises a first clamp with a first connection portion on the periphery and a second clamp with a second connection portion on the periphery, wherein the second connection portion comprises a first clamping portion and a second clamping portion, the external diameter of the second clamping portion is less than that of the first clamping portion, a groove containing the first clamping portion is formed in the first connection portion, a clamping groove which is engaged with the second clamping portion is formed in a first end face of the first connection portion, which faces the second connection portion, and the first clamping portion abuts against the clamping groove in the axial direction. The connection clamp of the automobile cooling water pipe is characterized in that cambered protuberances are respectively arranged on two side walls of the clamping groove, which extend along the clamping direction of the second clamping portion, and the protuberances abut against the second clamping portion. The cambered protuberances arranged on the side walls of the clamping groove can press against the second clamping portion, and therefore the clamping groove can be matched with the second clamping portion well, and furthermore the connection clamp of the automobile cooling water pipe prevents the second clamping portion and the clamping groove from easily separating from each other on the basis of guaranteeing flexible rotation.

Description

The jointing clip of automobile cooling water pipe

Technical field

The present invention relates to a kind of clip, especially a kind of jointing clip for automobile cooling water pipe.

Background technique

Motor car engine conventionally need to be used clip and connect two water-cooling tubes, and two clips are set in respectively on two water-cooling tubes, and two clips are rotatably connected to together by joint.That is to say, two clips need to link together easily, can be set in easily on water-cooling tube again, also need to when two water-cooling tubes produce relative movement, between two clips, also can relatively rotate, and can not throw off easily again.

The clip that existing pipeline is used, as the application number disclosed a kind of fixedly pipe clamp component for automobile power steering oil pipe of Chinese patent that is 201210236703.5, the clip pipe clamp and the opening pipe clamp that comprise locking, the mating part of the attachment portion of clip pipe clamp and opening pipe clamp links together, mating part comprises a part for opening pipe clamp main body and the groove that outer side wall is determined, on outer side wall, have depression, the groove of attachment portion coordinates with depression, and attachment portion is stuck in mating part.

Although this Placement has limited the motion on axially in attachment portion of opening pipe clamp relative clip pipe clamp, allowed again opening pipe clamp to rotate relative to clip pipe clamp, yet adopt this Placement, when two water pipe relative movement, pipe clamp joint is subject to one laterally by the active force of both separation, when this power acquires a certain degree, still can cause the joint of two clips to be thrown off, can cause like this water pipe not to be subject to the constraint of clip, time has been grown easy generation pipe burst, has larger potential safety hazard.

Summary of the invention

Technical problem to be solved by this invention is the problem existing for above-mentioned prior art, and a kind of reliable, to be difficult for the automobile cooling water pipe of disengagement jointing clip that connects is provided.

The present invention solves the problems of the technologies described above adopted technological scheme: a kind of jointing clip of automobile cooling water pipe, comprise that outer circumferential face is provided with the first clip of the first joint and the second clip that outer circumferential face is provided with the second joint, described the second joint comprises that the first inserted part and external diameter are less than the second inserted part of the first inserted part, in described the first joint, offer the groove of accommodating described the first inserted part, described the first joint offers the draw-in groove engaging with the second inserted part on the first end face of the second joint, described the first inserted part and the axial butt of described draw-in groove, it is characterized in that, described draw-in groove snaps in the projection that is respectively equipped with arc on the both sides sidewall that direction extends along the second inserted part, described projection and the second inserted part butt.

That closes on described slot opening is fixed with block with described the first corresponding part, position, inserted part, described block has the guide surface of inclination from outside to inside, guide surface on block can guide the first inserted part to snap onto in the groove of the first joint easily, and block has further avoided occurring after the first joint and the second joint engagement connection relatively moving and depart from radially.

For increase by two attachment portions from difficulty, described the first inserted part upwards has radially outstanding snap ring towards the second end face week of the first joint, on described snap ring, offer breach, that closes on described slot opening is fixed with block with described the first corresponding part, position, inserted part, described block offers towards the one side of the groove position corresponding with snap ring the curve bath coordinating with described breach, only when the alignment of breach and curve bath, two joints can connect with separated thus.

For better guiding the second joint to snap onto in the first joint when two clips assemble, described guide surface is positioned at described block away from the outer side surface of described groove, and described guide surface is inclined-plane or arc shaped surface.

For increasing the butt power between the first inserted part and draw-in groove, avoid two joints axially to relatively move, described the first end face is provided with the protuberance of axial projections, between described the second inserted part and the second clip outer circumferential face, there is abutting part, described protuberance can with described abutting part butt, make thus two joints flexible rotating relatively, can guarantee that again two joints closely cooperate and do not depart from.

The stability coordinating for increasing two joints, described abutting part is connected towards the 3rd end face of the first joint and the first end face frictional fit of described the first joint, and two end faces outer circumferential face in joint is smooth, increased thus the area of contact between the first joint and the second joint, make frictional force between the two reach maximum, greatly increased by two stability that joint coordinates.

Described the first clip and the second clip have included first portion and second portion, described first portion is provided with gripping mechanism, described second portion and gripping mechanism mesh by latch, described the first joint is arranged in the first portion of described the first clip, described the second joint is arranged in the first portion of described the second clip, first portion and second portion can form the annular space of accommodating water pipe thus, and can regulate according to the size of water pipe.

Described gripping mechanism comprises the first latch group with a plurality of latches that is positioned at the crawl section in outside and is positioned at inner side, second portion outside is provided with the second latch group with a plurality of latches, the first latch group and the second latch group mesh toward each other, when needs are separated by two parts, only crawl section need be pulled laterally, the second latch group of second portion can with the first latch component from, second portion can be pulled out from the gripping mechanism of first portion.

Compared with prior art, the invention has the advantages that: by the projection of arc is set on the sidewall of draw-in groove, can withstand the second inserted part, to obtain with the second inserted part, better coordinate, guarantee to rotate flexibly to prevent again the second inserted part and draw-in groove delamination on basis; The snap ring of radial projection is set by the end face in the first inserted part, and block is by arranging block closing on the groove position corresponding with the first inserted part, guide surface on block can guide the first inserted part to snap onto in the groove of the first joint easily, and block has further avoided occurring after the first joint and the second joint engagement connection relatively moving and depart from radially; The protuberance of axial projections is set on the end face of the first joint, increased the butt power between the first inserted part and draw-in groove, avoid two joints axially to relatively move, make two joints flexible rotating relatively, can guarantee that again two joints closely cooperate and do not depart from; And end-face friction between two joints coordinates, and make frictional force reach maximum, greatly strengthened two stability that joint coordinates.

Accompanying drawing explanation

Fig. 1 is clip connected status architecture schematic diagram of the present invention;

Fig. 2 is the structural representation of the first clip of the present invention;

Fig. 3 is the structural representation of the second clip of the present invention;

Fig. 4 is the enlarged diagram of the first joint of the present invention;

Fig. 5 is the enlarged diagram of the second joint of the present invention;

Fig. 6 is the first joint of the present invention and the second joint amplification view;

Fig. 7 is gripping mechanism structural representation of the present invention.

Embodiment

Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.

Embodiment one

Referring to Fig. 1-Fig. 3, a kind of jointing clip of automobile cooling water pipe, comprise the first clip 1 and the second clip 2, the first clip 1 periphery is provided with the first joint 11, the second clip 2 peripheries are provided with the second joint 21, the first joint 11 and the second joint 21 are connected to each other cooperation, and the first clip 1 is connected with the second clip 2.

Referring to Fig. 4, in the first joint 11, offer groove 111, one end of groove 111 extends to the first joint 11 outer circumferential face upper sheds, the first joint 11 on the first end face 112 of the second clip 2, offer the draw-in groove 113 with opening, the opening of draw-in groove 113 is consistent with the opening direction of groove 111, and is less than the opening of groove 111.The opening that closes on groove 111 is provided with the fixing block 114 of the one and first clip 1 outer circumferential face, the outer surface of block 114 (away from a side of groove 111 openings) has from outside to inside the guide surface 115 that (near a side of groove 111 openings) tilts, and guide surface 115 can be arc shaped surface for inclined-plane.

Referring to Fig. 5, the second joint 21 comprises that the external diameter of the first inserted

part

211 and 212, the first inserted parts 211, the second inserted part is greater than the external diameter of the second inserted part 212.

Draw-in groove 113 snaps in the projection 117 that is respectively equipped with arc on the both sides sidewall that direction extends along the second inserted part 212, withstand the second inserted part 212, can better coordinate with the second inserted part 212 thus, guarantee to rotate flexibly to prevent again the second inserted part 212 and draw-in groove 113 delamination on basis.

Referring to Fig. 4-Fig. 6, the first inserted part 211 upwards has radially outstanding snap ring 215 for 214 weeks towards the second end face of the first joint 11, on snap ring 215, offer breach 216, block 114 is towards the one side of groove 111 openings, the position corresponding with snap ring 215 offers curve bath 118, breach 216 and curve bath 118 coordinate, and only, when breach 216 and curve bath 118 alignment, the first joint 11 could be connected with separated with the second joint 21.

On the first end face 112, periphery preferably, is provided with the protuberance 116 of an axial projections.Between the second inserted part 212 and the second clip 2 outer circumferential faces, there is abutting part 213, after two joints connect, this abutting part 213 is towards the first end face 112 frictional fit of the 3rd end face 217 and first joint 11 of the first joint 11, and in joint, the outer circumferential face of two end faces is smooth, increase the area of contact between the first joint 11 and the second joint 21, made frictional force between the two reach maximum, greatly increased by two stability that joint coordinates.And protuberance 116 can with abutting part 213 butts, withstand abutting part 213, strengthened the power of the first inserted part 211 and draw-in groove 113 butts, make two joints flexible rotating relatively, can guarantee again that two joints closely cooperate and do not depart from.

The first inserted part 211, the second inserted part 212 and the abutting part 213 of the second joint 21 can be one-body molded.

When two clip assemblings, breach 216 and curve bath 118 are aligned, the first inserted part 211 slides in groove 111 from the opening of groove 111 along the guide surface 115 of block 114, and breach 216 parts finally slip in groove 111, the second inserted part 211 snaps onto in draw-in groove 113 from the opening of draw-in groove 113 simultaneously, thus, the first inserted part 211 in groove 111 and with the axial butt of draw-in groove 113, the second inserted part 212 closely engages with draw-in groove 113, and the position of block 114 is corresponding with the first inserted part 211, avoid thus the second joint 21 to occur to move radially easily.After two clip connecteds, can rotate relatively freely, and can not move up in the axial and footpath of two joints, make two clips be difficult for throwing off.

Referring to Fig. 7, the first clip 1 comprises first portion 12 and the second portion 13 of arc, and first portion 12 and second portion 13 connect to form annular with accommodating and block water pipe.Wherein, the end of first portion 12 is provided with gripping mechanism 121, gripping mechanism 121 comprises the crawl section 122 that is positioned at outside and the first latch group 123 with a plurality of latches that is positioned at inner side, second portion 13 outsides are provided with the second latch group 131 with a plurality of latches, the first latch group 123 and the second latch group 131 mesh toward each other, thereby first portion 12 and second portion 13 are engaged mutually, and can adjust annular size to adapt to the water pipe of different size.The second clip 2 also adopts same latch engagement system.Two above-mentioned joints all can be arranged in first portion.When needs are opened, user's the hand application of force is in crawl section 122, by its laterally (direction of away from second portion 13) pull, thus, the second latch group 131 of second portion 13 can be separated with the first latch group 121, can will in the gripping mechanism 121 of second portion 13Cong first portion 12, pull out.

Claims

1. the jointing clip of an automobile cooling water pipe, comprise that outer circumferential face is provided with first clip (1) of the first joint (11) and the second clip (2) that outer circumferential face is provided with the second joint (21), described the second joint (21) comprises that the first inserted part (211) and external diameter are less than second inserted part (212) of the first inserted part (211), in described the first joint (11), offer the groove (111) of accommodating described the first inserted part (211), described the first joint (11) offers the draw-in groove (113) engaging with the second inserted part (212) on first end face (112) of the second joint (21), described the first inserted part (211) and the axial butt of described draw-in groove (113), it is characterized in that, described draw-in groove (113) snaps in the projection (117) that is respectively equipped with arc on the both sides sidewall that direction extends along the second inserted part (212), described projection (117) and the second inserted part (212) butt.

2. the jointing clip of automobile cooling water pipe as claimed in claim 1, it is characterized in that, that closes on described groove (111) opening is fixed with block (114) with corresponding part, position, described the first inserted part (211), and described block (114) has the guide surface (115) of inclination from outside to inside.

3. the jointing clip of automobile cooling water pipe as claimed in claim 2, it is characterized in that, described the first inserted part (211) upwards has radially outstanding snap ring (215) towards the second end face (214) week of the first joint (11), on described snap ring (215), offer breach (216), described block (114) offers towards the one side of groove (111) position corresponding with snap ring (215) curve bath (118) coordinating with described breach (216).

4. the jointing clip of automobile cooling water pipe as claimed in claim 2, it is characterized in that, described guide surface (115) is positioned at described block (114) away from the outer side surface of described groove (111), and described guide surface (115) is inclined-plane or arc shaped surface.

5. the jointing clip of automobile cooling water pipe as claimed in claim 1, it is characterized in that, described the first end face (112) is provided with the protuberance (116) of axial projections, between described the second inserted part (212) and the second clip (2) outer circumferential face, there is abutting part (213), described protuberance (116) can with described abutting part (213) butt.

6. the jointing clip of automobile cooling water pipe as claimed in claim 5, it is characterized in that, described abutting part (213) is connected towards the 3rd end face (217) of the first joint (11) and the first end face (112) frictional fit of described the first joint (11), and two end faces outer circumferential face in joint is smooth.

7. the jointing clip of the automobile cooling water pipe as described in any one in claim 1-6, it is characterized in that, described the first clip (1) and the second clip (2) have included first portion and second portion, described first portion is provided with gripping mechanism, described second portion and gripping mechanism mesh by latch, described the first joint (11) is arranged in the first portion of described the first clip (1), and described the second joint (21) is arranged in the first portion of described the second clip (2).

8. the jointing clip of automobile cooling water pipe as claimed in claim 7, it is characterized in that, described gripping mechanism comprises the first latch group with a plurality of latches that is positioned at the crawl section in outside and is positioned at inner side, second portion outside is provided with the second latch group with a plurality of latches, and the first latch group and the second latch group mesh toward each other.