CN213712235U

CN213712235U - Quick connector

Info

Publication number: CN213712235U
Application number: CN202022807596.XU
Authority: CN
Inventors: 董建辉
Original assignee: Guangzhou Quanding Technology Co ltd
Current assignee: Huizhou Quanding Technology Co.,Ltd.
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-07-16
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a quick connector, which comprises a plug body, a cap, a spring plate and a sealing element, wherein a plug channel is formed in the plug body, one end of the plug body is a plug end, and the other end of the plug body is a connecting end; the elastic sheet is arranged on the inner wall of the end part of the insertion channel close to the insertion end and used for providing elastic stress for enabling the elastic sheet to move towards the center of the insertion channel; the sealing element is arranged on the inner wall of the insertion channel; the cap is sleeved outside the inserting end and can move towards the connecting end; the inner wall of the cap is provided with a jacking portion, and the jacking portion is used for jacking the elastic sheet after moving towards the connecting end so as to drive the elastic sheet to move towards the center far away from the insertion channel. The utility model discloses a quick connector, the top splenium that its block was equipped with can make shell fragment and pipeline break away from, realize the quick detach when dismantling the pipeline roof pressure shell fragment.

Description

Quick connector

Technical Field

The utility model relates to a be used for liquid or gas pipeline jointing equipment, concretely relates to quick connector.

Background

The liquid or gas flows between the equipment in a closed mode, the pipeline is required to be connected, and the part for connecting and fixing the sealing between the pipeline and the equipment is a joint. The traditional way is to be provided with the internal thread hole on equipment, correspond and be equipped with external screw thread and sealing washer on connecting, be equipped with sealing washer and chucking device simultaneously inside connecting, connect the internal thread hole of twisting on equipment fixed and sealed. The pipe is then inserted over the fitting and sealed and secured by a clamp on the fitting.

Current quick connector mounting means has outer hexagonal and interior hexagonal in the existing market, and outer hexagonal needs to be screwed up with the spanner, and interior hexagonal needs to be screwed up with interior hexagonal spanner. The existing pipe clamping device is characterized in that a pressing ring is arranged at the top of a connector, and when a pipe is disassembled, the pressing ring at the top is pressed down, so that an internal elastic sheet is loosened, the clamping of the pipe is released, and the pipe can be smoothly pulled out.

And to the use scene that needs often dismouting to connect or the pipeline, or need dismantle the pipeline more conveniently, current quick connector has following not enough: the screwing needs tools, and the top pressing ring is small in area and not easy to press and detach during detaching.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide a quick connector, the top pressing part that its block was equipped with can make shell fragment and pipeline break away from when dismantling the pipeline roof pressure shell fragment, realizes the quick detach.

The purpose of the utility model is realized by adopting the following technical scheme:

a quick connector comprises a plug body, a cover cap, an elastic sheet and a sealing element, wherein an insertion channel is formed in the plug body, an insertion end is formed at one end of the plug body, and a connecting end is formed at the other end of the plug body; the elastic sheet is arranged on the inner wall of the end part of the insertion channel close to the insertion end and used for providing elastic stress for enabling the elastic sheet to move towards the center of the insertion channel; the sealing element is arranged on the inner wall of the insertion channel; the cap is sleeved outside the inserting end and can move towards the connecting end; the inner wall of the cap is provided with a jacking portion, and the jacking portion is used for jacking the elastic sheet after moving towards the connecting end so as to drive the elastic sheet to move towards the center far away from the insertion channel.

Preferably, the quick connector further comprises a connecting ring, the connecting ring is mounted in the insertion channel, the connecting ring is internally provided with the plurality of elastic sheets, and the plurality of elastic sheets are circumferentially distributed around the central axis of the connecting ring.

Preferably, the quick connector further comprises a bracket and a pressure ring, the bracket is installed in the insertion channel, the connection ring is installed at one end, close to the insertion end, of the bracket, and the pressure ring is sleeved outside the bracket and is pressed on the connection ring; the sealing element is arranged at the end part of the bracket close to the connecting end.

Preferably, the elastic sheet gradually inclines towards the center of the insertion passage from the end close to the insertion end to the end far away from the insertion end.

Preferably, the inner side of the sealing element is provided with a guiding inclined surface, and the guiding inclined surface gradually inclines towards the center of the insertion channel from the end close to the insertion end to the end far away from the insertion end.

Preferably, the block inboard is equipped with first connecting portion, the cartridge end outside is equipped with the second connecting portion, first connecting portion are connected and can be in the axial sliding fit of cartridge end with the mode of joint with the second connecting portion.

Preferably, the first connecting portion are a plurality of first buckles, the second connecting portion are a plurality of clamping grooves, and the first buckles are clamped into the clamping grooves in a one-to-one correspondence mode and are in sliding fit.

Preferably, be equipped with the second buckle between two adjacent first buckles, cartridge end outer wall is equipped with the step face, the second buckle is used for block to step face after the block moves towards the link.

Preferably, the inner side of the cap is provided with a mounting groove, and a clamp spring is arranged in the mounting groove; the outer wall of the insertion end is provided with a step surface, and the clamp spring is used for abutting against the step surface after the cover cap moves towards the connecting end.

Preferably, a sealing ring is sleeved outside the connecting end; and external threads are arranged outside the connecting end.

Compared with the prior art, the beneficial effects of the utility model reside in that: it is when carrying out the pipe seal, and the pipeline is inserted and outwards extrudees the shell fragment by the cartridge passageway, and the shell fragment resets under the effect of self elastic stress and compresses tightly to the pipe wall after the cartridge targets in place, plays the chucking effect, and outside extrusion sealing member of pipeline cartridge to cartridge passageway in-process, sealing member alright hug closely with the pipeline outer wall, realizes sealedly.

When the pipeline need be extracted, push down the block, roof pressure portion on the block inner wall alright push down the shell fragment, make the shell fragment open towards the direction of keeping away from the pipeline outer wall, break away from the pipe wall, the pipeline can take out smoothly this moment, and the pipeline takes out the back, and the shell fragment realizes the quick detach by recovering initial condition under the elastic stress effect, and the later stage of being convenient for uses.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

FIG. 2 is a sectional view of the assembly structure of the present invention;

FIG. 3 is a schematic structural view of the cap of the present invention;

fig. 4 is a schematic structural view of the plug body of the present invention;

FIG. 5 is a schematic view of the structure of the utility model in use;

fig. 6 is a schematic structural view of another use state of the present invention;

fig. 7 is another schematic structural diagram of the cap of the present invention;

fig. 8 is an overall assembly sectional view using the cap structure of fig. 7.

In the figure: 10. capping; 11. a jacking portion; 12. a first buckle; 13. a second buckle; 14. mounting grooves; 15. a clamp spring; 20. a plug body; 21. inserting the end; 211. plugging a channel; 212. a card slot; 30. a spring plate; 31. a connecting ring; 40. a seal member; 50. a support; 60. pressing a ring; 70. a seal ring; 80. a pipeline.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict. Except as specifically noted, the materials and equipment used in this example are commercially available. Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. In the description of the present application, "a plurality" means two or more unless specifically stated otherwise.

In the description of the present application, it should be noted that unless otherwise specifically stated or limited, the terms "connected," "communicating," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a connection through an intervening medium, a connection between two elements, or an interaction between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The terms "first," "second," and the like in the description and in the claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1 to 6, a quick connector includes a connector body 20, a cap 10, a resilient piece 30 and a sealing member 40, a plug passage 211 is formed in the connector body 20, one end of the connector body 20 is formed as a plug end 21, and the other end of the connector body 20 is formed as a connection end.

In particular, the spring sheet 30 is disposed on the inner wall of the end portion of the insertion passage 211 close to the insertion end 21, and the spring sheet 30 can provide an elastic stress, under the action of which the spring sheet 30 can keep the tendency of moving itself toward the center of the insertion passage 211. In addition, a sealing member 40 is provided on the inner wall of the insertion passage 211, and when assembled, the cap 10 is fitted to the outside of the insertion end 21 and the cap 10 is moved toward the connection end. The inner wall of the cap 10 is provided with a pressing part 11, and the pressing part 11 presses the elastic sheet 30 after moving towards the connecting end so as to drive the elastic sheet 30 to move towards the center far away from the insertion channel 211.

On the basis of the structure, use the utility model discloses a during quick connector, can be when carrying out pipeline 80 and seal, pipeline 80 is inserted and outwards extrudees shell fragment 30 by cartridge passageway 211, and shell fragment 30 resets under the effect of self elastic stress after the cartridge targets in place and compresses tightly to the pipe wall, plays the chucking effect, and pipeline 80 cartridge to cartridge passageway 211 in-process outwards extrudees sealing member 40, sealing member 40 alright hug closely with pipeline 80 outer wall, realizes sealedly.

When the pipeline 80 need be extracted, with block 10 pushing down, top splenium 11 on the inner wall of block 10 alright extrude shell fragment 30 downwards, make shell fragment 30 open towards the direction of keeping away from the pipeline 80 outer wall, break away from the pipe wall, the pipeline 80 can take out smoothly this moment, and the back is taken out to pipeline 80, and shell fragment 30 realizes the quick detach, and the later stage of being convenient for uses by recovering initial condition under the elastic stress effect.

It should be noted that the sealing element 40 may be a sealing rubber sleeve (such as a rubber sleeve or a silicone sleeve) in the prior art, so that after the pipeline 80 is inserted into the insertion passage 211, the sealing rubber sleeve can be inserted through the sealing rubber sleeve to extrude the sealing rubber sleeve to form a tight sealing, and the sealing structure is stable.

Specifically, the quick connector in this embodiment further includes a connection ring 31, the connection ring 31 is installed in the insertion passage 211, a plurality of elastic pieces 30 are disposed in the connection ring 31, and the plurality of elastic pieces 30 are circumferentially distributed around a central axis of the connection ring 31. During assembly, the plurality of elastic sheets 30 can be assembled on the inner wall of the insertion passage 211 through the connection ring 31, so that during clamping, the plurality of elastic sheets 30 simultaneously abut against the pipeline 80, and the formed clamping structure of the pipeline 80 is more stable. When the pipeline 80 is disassembled, the pressing part 11 on the cap 10 moves downwards to simultaneously press the plurality of elastic sheets 30, so that the elastic sheets are separated from the pipeline 80, and the formed pressing area is relatively large and is easy to be forced to separate.

It should be noted that the pressing portion 11 may be an oblique angle, that is, a circle of oblique angle structure is disposed at an inner ring of the top end of the cap 10, when the cap 10 moves downward, the oblique angle may press each elastic sheet 30 downward in each direction, so that the elastic sheets 30 in each direction are away from the center of the insertion channel 211, and the elastic sheets 30 may be separated from the pipeline 80, so that the detachment is faster.

More specifically, in order to facilitate assembly, the quick connector further comprises a bracket 50 and a pressing ring 60, the bracket 50 is installed in the insertion channel 211, the bracket 50 can be specifically selected as the annular bracket 50, and when the quick connector is assembled to the insertion channel 211, the pipe 80 can be directly inserted into the annular bracket 50. The connecting ring 31 is mounted on one end of the bracket 50 near the insertion end 21, and the pressing ring 60 is sleeved outside the bracket 50 and pressed on the connecting ring 31, so that the connecting ring 31 can be assembled on the bracket 50 by the pressing ring 60, and the corresponding sealing member 40 is mounted on the end of the bracket 50 near the connecting end.

That is, the plurality of resilient pieces 30 of the connection ring 31 may be assembled to one end of the holder 50 by the pressing ring 60, and the sealing member 40 may be assembled to the other end of the holder 50, so that the holder 50 may be integrally assembled into the insertion passage 211 during the assembly of the entire plug, thereby facilitating the later assembly. It should be noted that the connection among the pressing ring 60, the bracket 50, and the sealing member 40 may be fixed by glue solution adhesion or by direct pressing, and is specifically selected according to actual needs.

Further, the elastic sheet 30 is gradually inclined toward the center of the insertion passage 211 from the end close to the insertion end 21 to the end far from the insertion end 21, so that the pipeline 80 can be guided to be smoothly inserted due to the certain inclination of the elastic sheet 30 when the pipeline 80 is inserted.

Similarly, a guiding bevel may be provided inside the sealing member 40, and the guiding bevel gradually inclines toward the center of the insertion passage 211 from the end close to the insertion end 21 to the end far from the insertion end 21. When the pipe 80 is inserted from top to bottom, the pipe 80 can press the guiding inclined plane, and the guiding inclined plane can guide the sealing element 40 to extrude and expand outwards, so that the pipe 80 can be inserted smoothly, and the pipe is reset after being inserted in place to form a close-fitting structure for sealing.

Further, a first connecting portion may be disposed on the inner side of the cap 10, and correspondingly, a second connecting portion may be disposed on the outer side of the insertion end 21, after the cap 10 is sleeved on the insertion end of the plug body 20, the first connecting portion and the second connecting portion are connected in a clamping manner, and the first connecting portion may be clamped by the second connecting portion, so as to limit the cap 10 from being separated from the plug body 20. Furthermore, the first connection portion and the second connection portion are slidably engaged in the axial direction of the insertion end 21, that is, the cap 10 and the plug body 20 can keep the trend of moving up and down, so that the cap 10 can move down relative to the plug body 20, and the pipeline 80 can be removed later.

The first connecting portion and the second connecting portion are connected in a clamping manner to prevent the cap 10 from rotating relative to the plug body 20, so that when the cap 10 is screwed, the plug body 20 can be selected together, and because the outer side of the cap 10 can be provided with patterns and the diameter of the cap is larger than that of the plug, the cap 10 can be screwed easily without using a tool, when the plug body 20 is connected to an external device, the cap 10 can be directly screwed, and the connecting ends can be driven to rotate together to realize assembly.

Specifically, the first connecting portions are a plurality of first buckles 12, the corresponding second connecting portions are a plurality of clamping grooves 212, when the cap 10 and the plug body 20 are assembled, the plurality of first buckles 12 can be clamped into the plurality of clamping grooves 212 in a one-to-one correspondence and are in sliding fit, that is, the rotation of the cap 10 relative to the plug body 20 can be limited by the corresponding clamping of the first buckles 12 and the corresponding clamping grooves 212, the cap 10 can slide up and down relative to the plug body 20 by the sliding of the first buckles 12 in the clamping grooves 212, and the separation of the cap 10 and the plug body 20 can be prevented by the abutting of the first buckles 12 on the top wall of the clamping grooves 212.

Further, a second buckle 13 can be arranged between two adjacent first buckles 12, a step surface is arranged on the outer wall corresponding to the insertion end 21, and the second buckle 13 is used for being clamped to the step surface after the cover cap 10 moves towards the connecting end. After the cap 10 and the plug body 20 are assembled in place, the second catch 13 will catch the bottom step of the insertion end 21 of the plug body 20, so that the cap 10 cannot be automatically removed.

Referring to fig. 7 and 8, in the present embodiment, another structure of the cap 10 is further provided, that is, in the case that the second latch 13 is not provided, a mounting groove 14 is provided on the inner side of the cap 10, and a snap spring 15 is correspondingly provided in the mounting groove 14. Likewise, a step surface is arranged outside the insertion end 21, and after the cap 10 and the plug body 20 are assembled in place, namely after the cap 10 moves towards the connecting end, the clamp spring 15 can move to the position below the step surface and abut against the step surface under the action of self elastic stress to prevent loosening.

Further, in this embodiment, a sealing ring 70 may be sleeved outside the connecting end, and an external thread may be provided outside the connecting end. So, when being connected whole quick connector and external equipment, can be with the external screw thread spiro union of link to the interior screwed hole of equipment, easy dismounting. After the connecting end is assembled in place, the sealing ring 70 can be clamped between the connecting part of the cap 10 and the equipment for sealing, so that the assembled structure has better sealing performance.

Of course, the connecting end can be provided with an internal threaded hole, a threaded joint is connected to the equipment, and the detachable connection can also be realized.

While only certain features and embodiments of the application have been illustrated and described, many modifications and changes may occur to those skilled in the art (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the scope and spirit of the invention in the claims.

Finally, it should be noted that: the above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A quick connector is characterized by comprising a plug body, a cover cap, an elastic sheet and a sealing element, wherein a plug-in channel is formed in the plug body, one end of the plug body is a plug-in end, and the other end of the plug body is a connecting end; the elastic sheet is arranged on the inner wall of the end part of the insertion channel close to the insertion end and used for providing elastic stress for enabling the elastic sheet to move towards the center of the insertion channel; the sealing element is arranged on the inner wall of the insertion channel; the cap is sleeved outside the inserting end and can move towards the connecting end; the inner wall of the cap is provided with a jacking portion, and the jacking portion is used for jacking the elastic sheet after moving towards the connecting end so as to drive the elastic sheet to move towards the center far away from the insertion channel.

2. The quick connector according to claim 1, further comprising a connection ring, wherein the connection ring is installed in the insertion passage, and a plurality of the resilient pieces are disposed in the connection ring and circumferentially distributed around a central axis of the connection ring.

3. The quick connector according to claim 2, further comprising a bracket and a pressing ring, wherein the bracket is installed in the insertion channel, the connecting ring is installed at one end of the bracket close to the insertion end, and the pressing ring is sleeved outside the bracket and pressed on the connecting ring; the sealing element is arranged at the end part of the bracket close to the connecting end.

4. The quick connector as claimed in any one of claims 1 to 3, wherein the resilient tab is inclined gradually towards the centre of the insertion passage from an end proximal to the insertion end to an end distal to the insertion end.

5. The quick connector of claim 4, wherein the sealing member is provided with a guiding ramp inside, the guiding ramp tapering from an end near the insertion end to an end remote from the insertion end towards the center of the insertion passage.

6. The quick connector according to any one of claims 1 to 3, wherein the cap is provided with a first connecting portion on an inner side thereof and a second connecting portion on an outer side thereof, and the first connecting portion and the second connecting portion are connected in a snap-fit manner and slidably engaged in an axial direction of the insertion end.

7. The quick connector as claimed in claim 6, wherein the first connecting portion is a plurality of first fasteners, the second connecting portion is a plurality of slots, and the first fasteners are slidably engaged with the slots in a one-to-one correspondence.

8. The quick-connect coupling according to claim 7, wherein a second snap is provided between two adjacent first snaps, the outer wall of the insertion end is provided with a step surface, and the second snap is adapted to snap onto the step surface after the cap is moved toward the connection end.

9. The quick connector as claimed in claim 7, wherein the cap has a mounting groove formed therein, and a snap spring is disposed in the mounting groove; the outer wall of the insertion end is provided with a step surface, and the clamp spring is used for abutting against the step surface after the cover cap moves towards the connecting end.

10. The quick connector as claimed in any one of claims 1 to 3, wherein a sealing ring is fitted around the connecting end; and external threads are arranged outside the connecting end.