CN213332979U

CN213332979U - Dustproof quick connector convenient to installation

Info

Publication number: CN213332979U
Application number: CN202022424789.7U
Authority: CN
Inventors: 周易; 李健; 葛锐; 朱文军; 辛雪军; 吴三发
Original assignee: Anhui Cummins Power Co Ltd
Current assignee: Anhui Cummins Power Co Ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2021-06-01
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a dustproof quick connector convenient to installation, including quick connector body and takeover, be equipped with the sealing washer between the vertical through-hole upper segment of takeover upper end and quick connector body, two spouts have been opened to quick connector body's hypomere both sides, slide respectively in two spouts and be provided with two buttons, the outer end of button stretches out outside the spout, the limiting plate of inner stretches into in the vertical through-hole of quick connector body, and the limiting plate is laminated with the vertical through-hole inside wall of quick connector body, be equipped with two spring leafs between two limiting plates, the inboard middle part of two spring leafs is fixed with the fixture block respectively, under the elastic force of two spring leafs, through the draw-in groove chucking takeover that two fixture blocks enclose, and through spacing bulge loop on the takeover and laminating with two fixture block top end faces; the outer side of the bottom of each clamping block is provided with a baffle which is attached to the bottom of the vertical through hole of the quick connector body through the two baffles. The utility model has the advantages that: and the effective dustproof and waterproof effect is realized.

Description

Dustproof quick connector convenient to installation

Technical Field

The utility model relates to a mechanical connecting piece especially relates to a dustproof quick connector convenient to installation.

Background

The quick connector is the most convenient plug-and-play connecting structure, and particularly can embody the superiority of the quick connector on the occasions of space where the air pipe is inconvenient to connect and difficult to connect. Quick connector generally includes quick connector body and takes over with quick connector body hole complex, however, thereby current quick connector only sets up the sealing washer in the handing-over department of taking over between and the quick connector body hole and seals up the inside liquid of pipeline, and other places at quick connector body do not set up any seal structure, long-term after using, there are impurity such as a large amount of dusts to pile up inside quick connector, in maintenance process, need the quick connector of plug, behind the quick connector of plug, the inside accumulational impurity of quick connector just can enter into the pipeline inside, lead to secondary pollution. At present, quick connectors are commonly used in fuel oil and urea injection systems of engines, and failure problems such as system abrasion, blockage, clamping stagnation and the like caused by similar pollutant particles exist all the year round, so that a large amount of economic loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a dustproof quick connector convenient to installation to realize effectual dustproof and waterproof effect in term, and install and dismantle convenient and fast.

The utility model discloses a realize through following technical scheme:

a dustproof quick connector convenient to install comprises a quick connector body, wherein a vertical through hole is formed in the center of the quick connector body, a connecting pipe is arranged in the vertical through hole of the quick connector body, the upper end of the connecting pipe is connected with the upper section of the vertical through hole of the quick connector body in a sealing mode through a sealing ring, two sliding grooves are formed in the left side and the right side of the lower section of the quick connector body respectively, the two sliding grooves extend along the radial direction of the quick connector body and are arranged in a bilateral symmetry mode, two buttons are arranged in the two sliding grooves in a sliding mode respectively, the outer ends of the buttons extend out of the sliding grooves, limiting plates are arranged at the inner ends of the buttons, the limiting plates extend into the vertical through hole of the quick connector body and are attached to the inner side wall of the vertical through hole of the quick connector body, two spring pieces are arranged between the two limiting plates, the two spring pieces are arc-shaped pieces and have opposite protruding directions, the middle parts of the inner sides of the two spring pieces are respectively fixed with a fixture block, the two fixture blocks are symmetrically arranged front and back, the two fixture blocks are butted front and back to form a clamping groove with a circular cross section, the lower section of the connecting pipe is clamped through the clamping groove formed by the two fixture blocks under the elastic action of the two spring pieces, and the lower section of the connecting pipe is attached to the top end surfaces of the two fixture blocks through a limiting convex ring on the outer side wall of the connecting pipe; the bottom of each clamping block extends downwards out of the vertical through hole of the quick connector body, a baffle extending horizontally outwards is arranged on the outer side of the bottom of each clamping block, and the two baffles of the two clamping blocks are attached to the bottom of the vertical through hole of the quick connector body.

Furthermore, a marking groove is formed in the top end of the button.

Furthermore, an inward protruding positioning ring is arranged on the inner side wall of the upper section of the vertical through hole of the quick connector body, the positioning ring is located below the sealing ring, the inner side wall of the positioning ring is matched with the outer side wall of the connecting pipe, and a chamfer is arranged at the lower end of the inner hole of the positioning ring.

Furthermore, the two clamping blocks are butted to form an internal channel which is communicated up and down, the internal channel is divided into an upper section and a lower section, the upper section of the internal channel is a cylindrical section, the lower section of the internal channel is a conical section with a flared bottom, and the cylindrical section of the internal channel forms the clamping groove.

Furthermore, an arc-shaped connecting plate is fixed on the outer side of the clamping block and is fixed with the corresponding spring piece through the arc-shaped connecting plate.

Furthermore, the center of the inner side of the limiting plate is provided with a vertical mounting groove, and the end parts of the two spring pieces are welded and fixed together and inserted into the mounting groove of the limiting plate.

Furthermore, the vertical through hole of the quick connector body is composed of an upper section, a middle section and a lower section, the upper section and the lower section of the vertical through hole are both straight sections, the aperture of the lower section of the vertical through hole is larger than that of the upper section, the middle section of the vertical through hole is a conical section, and transitional connection of the upper section and the lower section of the vertical through hole is realized through the conical section.

Compared with the prior art, the utility model has the following advantages:

the utility model provides a pair of dustproof quick connector convenient to installation, it is sealed between the vertical through-hole of takeover upper end and quick connector body that has been realized through the sealing washer in its top, its bottom is through the draw-in groove and the laminating of takeover lateral wall of two fixture block inboards, simultaneously through the laminating of the baffle in the fixture block outside and the vertical through-hole bottom of quick connector body, its lateral wall has sealed two spouts of quick connector body both sides through two limiting plates, thereby realized whole quick connector from the top, bottom and lateral wall each position are sealed, isolated this quick connector inside and external, can effectively prevent external solid-state, inside liquid pollutant gets into quick connector, show the waterproof dustproof effect who has improved quick connector, avoided the pollutant to get into the inside problem of pipeline in the maintenance process. Furthermore, the utility model discloses convenient and fast, labour saving and time saving are dismantled in the installation, and have the function that the installation target in place reminded.

Drawings

Fig. 1 is a perspective assembly view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a longitudinal section of the present invention taken from two buttons.

Fig. 4 is a longitudinal section of the invention taken from another plane.

Fig. 5 is a cross-sectional view of the present invention taken along two spring leaves.

Fig. 6 is a cross sectional view showing a state where the joint is released according to the present invention.

Reference numbers in the figures: 1, a quick connector body; 2, vertical through holes; 3, sealing rings; 4, positioning a ring; 5, a chute; 6, a button; 7, limiting plates; 8 spring leaves; 9, mounting a groove; 10, clamping blocks; 11, an arc-shaped connecting plate; 12 card slots; 13, a limit convex ring; 14, taking over; 15 baffle plates; the slots are marked 16.

Detailed Description

The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

Referring to fig. 1 to 6, this embodiment discloses a dustproof quick connector convenient to installation, including quick connector body 1, a vertical through-hole 2 is opened at quick connector body 1 center, vertical through-hole 2 of quick connector body 1 comprises upper, middle and lower three-section, the upper segment and the hypomere of vertical through-hole 2 are straight sections, and the hypomere aperture of vertical through-hole 2 is greater than the upper segment aperture, the middle section of vertical through-hole 2 is the conical surface section, realize the transitional coupling of the upper segment and the hypomere of vertical through-hole 2 through the conical surface section. Set up in vertical through-hole 2 of quick connector body 1 and take over 14, through 3 sealing connection of sealing washer between the vertical through-hole 2 upper segments of taking over 14 upper ends and quick connector body 1, be equipped with an inside convex holding ring 4 on 2 upper segments inside walls of vertical through-hole of quick connector body 1, holding ring 4 is located sealing washer 3 below, 4 inside walls of holding ring are identical with the 14 lateral walls of taking over, holding ring 4 is used for fixing a position take over 14, prevent that take over 14 from rocking, and 4 hole lower extremes of holding ring are equipped with the chamfer, be convenient for take over 14 from up the direction when inserting 4 holes of holding ring down.

The left side and the right side of the lower section of the quick connector body 1 are respectively provided with two sliding chutes 5, the two sliding chutes 5 are arranged along the radial extension of the quick connector body 1 and are bilaterally symmetrical, two buttons 6 are respectively arranged in the two sliding chutes 5 in a sliding manner, the outer ends of the buttons 6 extend out of the sliding chutes 5, the inner ends of the buttons 6 are provided with limiting plates 7, the limiting plates 7 extend into the vertical through holes 2 of the quick connector body 1, and the limiting plates 7 are attached to the inner side walls of the vertical through holes 2 of the quick connector body 1, so that the buttons 6 can be limited, and the buttons 6 are prevented from being separated from the sliding chutes 5; but also can seal the chute 5 to prevent external pollutants from entering the quick connector body 1 through the chute 5. Two spring pieces 8 are arranged between the two limiting plates 7, the left end and the right end of each spring piece 8 are respectively fixed on the left limiting plate 7 and the right limiting plate 7, a vertical mounting groove 9 is formed in the center of the inner side of each limiting plate 7, and the end parts of the two spring pieces 8 are welded and fixed together and inserted into the mounting groove 9 of each limiting plate 7. Two spring pieces 8 are arc pieces and the protruding direction is opposite, and two 8 inboard middle parts of spring piece are fixed with a fixture block 10 respectively, and the fixture block 10 outside is fixed with an arc connecting plate 11, and is in the same place fixed with the spring piece 8 that corresponds through arc connecting plate 11, between arc connecting plate 11 and the fixture block 10, accessible welded fastening is in the same place between arc connecting plate 11 and the spring piece 8. The two clamping blocks 10 are symmetrically arranged front and back, the two clamping blocks 10 are butted to form an internal channel which is communicated up and down, the internal channel is divided into an upper section and a lower section, the upper section of the internal channel is a cylindrical section, the lower section of the internal channel is a conical section with a flared bottom, the cylindrical section of the internal channel forms a clamping groove 12, and the lower section of the internal channel is set to be a conical section so as to facilitate the leading-in of the connecting pipe 14. Under the action of the elasticity of the two spring pieces 8, the lower section of the connecting pipe 14 is clamped tightly through a clamping groove 12 formed by the two clamping blocks 10 in a surrounding mode, and the top end faces of the two clamping blocks 10 are attached through a limiting convex ring 13 on the outer side wall of the connecting pipe 14, so that the connecting pipe 14 is prevented from falling downwards; the bottom of each fixture block 10 extends downwards out of the vertical through hole 2 of the quick connector body 1, a baffle 15 extending outwards horizontally is arranged on the outer side of the bottom of each fixture block 10, and the two baffles 15 of the two fixture blocks 10 are attached to the bottom of the vertical through hole 2 of the quick connector body 1.

The section of the limiting convex ring 13 on the outer side wall of the connecting pipe 14 is triangular, the bottom wall surface of the limiting convex ring 13 is a horizontal plane, and the side wall surface of the limiting convex ring 13 is a conical surface. During installation, the connecting pipe 14 is inserted into an inner channel between the two clamping blocks 10 from bottom to top, the conical surface of the limiting convex ring 13 abuts against the inner wall surfaces of the two clamping blocks 10, the clamping force of the two spring pieces 8 is overcome, the two spring pieces 8 are forced to deform and open, and the two spring pieces 8 and the two clamping blocks 10 move towards the front side and the rear side so that the connecting pipe 14 can pass through. After the limiting convex ring 13 of the connecting pipe 14 completely passes through the two clamping blocks 10, the two clamping blocks 10 automatically return under the elastic force action of the two spring pieces 8, the two clamping blocks 10 are closed, the connecting pipe 14 is clamped through the clamping groove 12 formed by the cylindrical sections of the internal channels of the two clamping blocks 10, and at the moment, the bottom wall surface of the limiting convex ring 13 is attached to the top end surfaces of the two clamping blocks 10 and the two spring pieces 8, so that the connecting pipe 14 is ensured not to fall off. In the installation process, threads do not need to be screwed, the buckle does not need to be pressed, the connecting pipe 14 only needs to be inserted between the two clamping blocks 10 inside the quick connector body 1, the connecting pipe is inserted upwards with a slight force until the limiting convex ring 13 jacks the two spring pieces 8 and passes through the spring pieces, and the two spring pieces 8 and the two clamping blocks 10 return to the original position to make a click sound, namely the assembly is completed.

The top end of the button 6 is provided with a marking groove 16, in the specific implementation, the marking groove 16 can be painted with colors, the marking groove 16 cannot be seen when the connecting pipe 14 is installed in the sliding groove 5, and the marking groove just extends out of the sliding groove 5 after the connecting pipe 14 is installed in place, so that an operator can be prompted to assemble the connecting pipe in place.

When the quick connector needs to be disassembled, the two buttons 6 are pressed inwards to contract the two buttons 6, so that the two spring pieces 8 are extruded, the two spring pieces 8 are expanded outwards to deform, the two clamping blocks 10 are driven to be separated, the two clamping blocks 10 are separated from the connecting pipe 14, and the connecting pipe 14 can be taken out downwards. The installation and the disassembly are convenient, quick, time-saving and labor-saving.

The quick connector that this embodiment provided, sealed between the vertical through-hole 2 of taking over 14 upper ends and quick connector body 1 has been realized through sealing washer 3 in its top, its bottom is through the laminating of draw-in groove 12 and the 14 lateral walls of taking over of two fixture block 10 inboards, simultaneously through the laminating of baffle 15 and the vertical through-hole 2 bottom of quick connector body 1 in the fixture block 10 outside, its lateral wall has sealed two spouts 5 of 1 both sides of quick connector body through two limiting plates 7, thereby realized whole quick connector from the top, bottom and lateral wall are sealed in each position, isolated this quick connector is inside with external, can effectively prevent external solid-state, inside liquid pollutant gets into quick connector, the waterproof dustproof effect of quick connector has been showing and has been improved, the problem that the pollutant enters into the pipeline inside in the maintenance process has been avoided.

When the quick connection type pipeline quick connector is used, two pipelines to be connected are respectively connected with the top of the quick connection type connector body 1 and the bottom of the connecting pipe 14 of the quick connection type connector, then the connecting pipe 14 and the quick connection type connector body 1 are assembled, and the quick connection of the two pipelines is completed.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a dustproof quick connector convenient to installation, includes quick connector body (1), a vertical through-hole (2) are opened at quick connector body (1) center, set up in vertical through-hole (2) of quick connector body (1) and take over (14), its characterized in that: the upper end of the connecting pipe (14) is hermetically connected with the upper section of the vertical through hole (2) of the quick connector body (1) through a sealing ring (3), the left side and the right side of the lower section of the quick connector body (1) are respectively provided with two sliding chutes (5), the two sliding chutes (5) are symmetrically arranged along the radial direction of the quick connector body (1), two buttons (6) are respectively arranged in the two sliding chutes (5) in a sliding manner, the outer ends of the buttons (6) extend out of the sliding chutes (5), the inner ends of the buttons (6) are provided with limiting plates (7), the limiting plates (7) extend into the vertical through hole (2) of the quick connector body (1), the limiting plates (7) are attached to the inner side wall of the vertical through hole (2) of the quick connector body (1), two spring pieces (8) are arranged between the two limiting plates (7), the left end and the right end of each spring piece (8) are respectively fixed on the left limiting plate (, the two spring pieces (8) are arc-shaped pieces and have opposite protruding directions, the middle parts of the inner sides of the two spring pieces (8) are respectively fixed with a clamping block (10), the two clamping blocks (10) are symmetrically arranged front and back, the two clamping blocks (10) are butted and enclosed to form a clamping groove (12) with a circular cross section, under the elastic action of the two spring pieces (8), the lower section of the connecting pipe (14) is clamped through the clamping groove (12) enclosed by the two clamping blocks (10), and the limiting convex ring (13) on the outer side wall of the connecting pipe (14) is attached to the top end surfaces of the two clamping blocks (10), so that the connecting pipe (14) is prevented from falling downwards; the bottom of each clamping block (10) extends downwards out of the vertical through hole (2) of the quick connector body (1), a baffle (15) extending outwards horizontally is arranged on the outer side of the bottom of each clamping block (10), and the two baffles (15) of the two clamping blocks (10) are attached to the bottom of the vertical through hole (2) of the quick connector body (1).

2. The dustproof quick connector as set forth in claim 1, wherein: the top end of the button (6) is provided with a marking groove (16).

3. The dustproof quick connector as set forth in claim 1, wherein: be equipped with an inside convex holding ring (4) on the vertical through-hole (2) upper segment inside wall of quick connector body (1), holding ring (4) are located sealing washer (3) below, and holding ring (4) inside wall is identical with takeover (14) lateral wall, and holding ring (4) hole lower extreme is equipped with the chamfer.

4. The dustproof quick connector as set forth in claim 1, wherein: the two clamping blocks (10) are butted to form an internal channel which is communicated up and down, the internal channel is divided into an upper section and a lower section, the upper section of the internal channel is a cylindrical section, the lower section of the internal channel is a conical section with a flared bottom, and the cylindrical section of the internal channel forms the clamping groove (12).

5. The dustproof quick connector as set forth in claim 1, wherein: an arc-shaped connecting plate (11) is fixed on the outer side of the clamping block (10) and is fixed with the corresponding spring piece (8) through the arc-shaped connecting plate (11).

6. The dustproof quick connector as set forth in claim 1, wherein: the limiting plate (7) is provided with a vertical mounting groove (9) in the center at the inner side, and the end parts of the two spring pieces (8) are welded and fixed together and inserted into the mounting groove (9) of the limiting plate (7).

7. The dustproof quick connector as set forth in claim 1, wherein: the quick connector is characterized in that the vertical through hole (2) of the quick connector body (1) is composed of an upper section, a middle section and a lower section, the upper section and the lower section of the vertical through hole (2) are straight sections, the aperture of the lower section of the vertical through hole (2) is larger than that of the upper section, the middle section of the vertical through hole (2) is a conical section, and transition connection of the upper section and the lower section of the vertical through hole (2) is achieved through the conical section.