CN101576190B - Quick water-heating connecting structure - Google Patents
Quick water-heating connecting structure Download PDFInfo
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- CN101576190B CN101576190B CN 200910099033 CN200910099033A CN101576190B CN 101576190 B CN101576190 B CN 101576190B CN 200910099033 CN200910099033 CN 200910099033 CN 200910099033 A CN200910099033 A CN 200910099033A CN 101576190 B CN101576190 B CN 101576190B
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- control core
- attachment hole
- connecting structure
- quick water
- heating connecting
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Abstract
The invention provides a quick water-heating connecting structure, pertains to the field of mechanical technology and solves the problems such as lower working stability of the ring-shaped socket, more difficult disassembly and inconvenient operation of the existing quick connecting structure. The quick water-heating connecting structure comprises a tube-shaped body provided with a connecting holewhich is internally provided with a clamp ring; the clamp ring is arranged in the connecting hole through a locating mechanism which can prevent the clamp ring from moving axially; the clamp ring is provided with a plurality of clamping jaws which incline towards the inside of the connecting hole; when a connecting pipe is inserted into the connecting hole, the clamping jaws can fasten the outer side wall of the connecting pipe; the connecting hole is internally provided with an O-type seal ring which can form seal with the inserted connecting pipe; a tube-shaped control core which is inserted in the connecting hole is arranged at the side part of the clamp ring; when moving inward along the axial direction of the connecting hole, the control core can prop open the clamping jaws; and the control core is connected with the tube-shaped body through a screw thread structure. As the control core and the tube-shaped body are stably connected, the quick water heating connecting structure isflexible and convenient for use.
Description
Technical field
The invention belongs to field of mechanical technique, relate to linkage structure, particularly relate to a kind of quick water-heating connecting structure.
Background technique
In the daily life and the equipment of industrial product, often need pipe be connected and dismantles.In order to realize quick operation, people have designed various fast joint structures, and some has also applied for patent.
For example; The fast joint structure [application number: 200820086195.6] that the Chinese patent document discloses a kind of pipe comprises the body with attachment hole; It can with the adapter clamping mutually in inserting attachment hole; In attachment hole, be provided with a collar, this collar is fixed in the attachment hole through positioning means, and collar has the claw of several tilt in attachment hole; Be provided with one in the outside of collar when with its annular socket that when push the attachment hole inboard, can claw be strutted, be provided with the O RunddichtringO that is fixed in the attachment hole in the inboard of collar.It adopts and takes over when inserting attachment hole, and the claw on the collar can block adapter easily, realizes connecting fast.Advantages such as that the fast joint structure of this pipe has is flexible and convenient to use, good airproof performance.
But still there is certain deficiency in such scheme.For example, the annular socket working stability that is used to strut claw is relatively poor, rocks with respect to body easily; Thereby after connecting completion, cause annular socket axially to move inward because of external influence power easily and make the adapter slippage.In addition, when dismounting, be difficult to annular socket is controlled, the dismounting difficulty is bigger, and it is convenient inadequately to operate.
Summary of the invention
The objective of the invention is to the problems referred to above, provide a kind of working stability high, easy-disassembling-assembling quick water-heating connecting structure.
The object of the invention can be realized through following technical proposal: this quick water-heating connecting structure; Comprise tubular body with attachment hole; In attachment hole, be provided with a collar, this collar is arranged in the attachment hole through preventing its axially movable positioning means, and described collar has several claws towards the attachment hole inner inclination; Claw can fasten the adapter outer side wall when in attachment hole, inserting adapter; In attachment hole, be provided with the O RunddichtringO that can form sealing with the adapter of inserting, it is characterized in that, described collar sidepiece is provided with a tubular control core that inserts in the attachment hole; And, link through worm structure between described control core and the body when the control core can strut claw when attachment hole axially moves inward.
When take over inserting claw can fastening at the outer side wall of taking over, be fixed, realize that body and the quick of adapter are connected.During dismounting, tubular is controlled core to the inner precession of attachment hole, control in-core end can strut claw, will take over release, so just can take over extraction easily.Can realize that through this structure body is connected and dismounting with the quick of adapter.The body here can be a pipe, also can be the joint that is used to connect two adapters, or water tap, valve etc. is installed in the device on the pipeline.During dismounting, can directly screw the outer end of control core, also can adopt special-purpose extracting tool to drive the rotation of control core, thereby realize moving axially of control core with hand.Owing to adopted screw connection structure, can effectively guarantee to control the working stability of core.The control core here can adopt plastic materials to process, so that reduce production costs.
In above-mentioned quick water-heating connecting structure, described control core outer end is provided with and can drives the circumferential force structure that the control core rotates or is used for connecting with external turning tool.
Make control core suffered arm of force in the process of screwing increase owing to be provided with circumferential force structure, thereby needed power is less in the process of screwing, convenient control core has convenient and swift, labour-saving characteristics in intrinsic activity.
In above-mentioned quick water-heating connecting structure, described circumferential force structure is to be arranged at least one on the core of control to be used to connect the hole or the cell body of turning tool, and described hole or cell body are arranged at control core outer side wall or end face.
The hole or the size and the quantity of cell body that are arranged on control core outer side wall or the end face are provided with as required.The hole can be one, also can be a plurality of; Hole shape can be positive hexagonal, perhaps positive four jiaos, also can be irregular hole.The hole can be two symmetrical structures, so that stressed even.Cell body can form through milling.
In above-mentioned quick water-heating connecting structure, described circumferential force structure is to be arranged at least one on the core of control to be used to connect turning tool or to be used for directly pulling the convexity that the control core rotates, and described convexity is arranged at control core outer side wall or end face.
Circumferentially the protruding structure of force structure size and quantity are indefinite, can be convexities, also can be a plurality of convexities, and what shape can be regular also can be irregular.Certainly, the operator can also realize the rotary manipulation to the control core through directly acting on the convexity with hand.
In above-mentioned quick water-heating connecting structure, described circumferential force structure is to be arranged on the non-circular surfaces that is used to connect turning tool on the control core outer side wall.
When external extracting tool acted on the non-circular surfaces on the control core, non-circular surfaces can reach stable contact with extracting tool, thereby drove the rotation of control core by extracting tool.Non-circular surfaces can adopt regular hexagon surface or octagon surface.
In above-mentioned quick water-heating connecting structure; Described control core segment is exposed to outside the attachment hole, and is exposed at the control core to be provided with between an end and the body of attachment hole when claw fastens and can prevents to control the inboard axially movable position-limit mechanism of core to attachment hole when taking over outer side wall.
Owing to be provided with position-limit mechanism,, avoid taking in the course of the work slippage even the control core can not back down claw because of misoperation or because of vibrations rotate also.
In above-mentioned quick water-heating connecting structure, described position-limit mechanism comprises being arranged on to be controlled the anti-edge on the core and is placed in the limit body between anti-edge and the body, and described limit body has can make it be placed in the opening on the control core from sidepiece.
When the control core rotates because of extraneous misoperation, vibrations etc., because limit body is stuck between anti-edge and the body, the control core can't axially be moved inward, so just can prevent that claw from being backed down, improved working stability effectively.Limit body is offered opening, makes things convenient for limit body to be inserted on the control core from sidepiece, can also conveniently take out limit body.
In above-mentioned quick water-heating connecting structure, described attachment hole outer end inner wall has circular groove, on the control core, has stop surface, and is formed for stopping the back-up ring of stop surface through extruding in ring slot outside.The moulding of back-up ring when circular groove helps pushing.
In above-mentioned quick water-heating connecting structure; Described positioning means comprises tubular supporting base, positioning ring and is arranged on the positioning step in the attachment hole; Described supporting base is arranged on the positioning step, and positioning ring is located at the supporting base outside, and above-mentioned collar is arranged between positioning ring and the supporting base.
Positioning ring and supporting base are arranged on the tubular inner body wall, and supporting base is near positioning step, and collar is arranged between positioning ring and the supporting base, through positioning ring and supporting base clamping force between the two, reach the stable effect of collar accurate positioning.
At above-mentioned quick water-heating connecting structure, described positioning step inboard is provided with the backstop step, on the backstop step, is provided with above-mentioned O RunddichtringO, and the inner ability of described supporting base roof pressure is on the O RunddichtringO; The outer end of described each claw has at least two pawl pin that separate, and pawl pin outer end is curved.
Be provided with the O RunddichtringO increased the tubular body and and take between sealing.For make better take over body between realizes being connected, must make claw tighten adapter, the pawl pin of claw is provided with two at least can effectively increase frictional force.Can avoid taking over the surface and be scratched and pawl pin outer end is curved.
Compared with prior art, this quick water-heating connecting structure has the following advantages:
1, when take over inserting attachment hole, the claw on the collar can block adapter easily, realize connecting fast, and since claw towards the attachment hole inner inclination, adapter can't detach, both connections are very reliable.When the rotation of control core, when the control core can move inward vertically, claw can strut in controlled coremaking, realized separating fast, used very flexible.
2, is connected through worm structure between control core and the body, has solved and taken over the shortcoming that is prone to release in body interior, control core and be connected more stablely with body, be not easy to occur controlling the phenomenon that core is come off from body.
3, after connecting, position-limit mechanism can effectively be avoided the misoperation of outer bound pair control core, can not back down claw even the control core rotates also, avoids in use taking over slippage.
Description of drawings
Fig. 1 is quick water-heating connecting structure embodiment 1 a sectional view.
Fig. 2 is that quick water-heating connecting structure embodiment 1 adapter is in by the sectional view of tightening state.
Fig. 3 is quick water-heating connecting structure embodiment 1 a side view.
Fig. 4 is the structural representation of collar in the quick water-heating connecting structure.
Fig. 5 is the structural representation of limit body in the quick water-heating connecting structure.
Fig. 6 is the sectional view of control core in the quick water-heating connecting structure.
Fig. 7 is quick water-heating connecting structure embodiment 2 a stereogram.
Fig. 8 is quick water-heating connecting structure embodiment 2 a sectional view.
Fig. 9 is quick water-heating connecting structure embodiment 2 a side view.
Figure 10 is quick water-heating connecting structure embodiment 3 a sectional view.
Figure 11 is quick water-heating connecting structure embodiment 3 a side view.
Figure 12 is quick water-heating connecting structure embodiment 4 a sectional view.
Figure 13 is quick water-heating connecting structure embodiment 4 a side view.
Among the figure, body 1, attachment hole 11, circular groove 11a, back-up ring 11b, positioning step 11c, backstop step 11d, collar 2, claw 21, pawl pin 21a, adapter 3, O RunddichtringO 4, control core 5, hole 51, cell body 52, convexity 53, non-circular surfaces 54, anti-edge 55, limit body 6, opening 61, supporting base 71, positioning ring 72.
Embodiment
Below be specific embodiment of the present invention and combine accompanying drawing, technological scheme of the present invention is done further to describe, but the present invention is not limited to these embodiments.
Shown in Fig. 1-6, this quick water-heating connecting structure comprises the tubular body 1 with attachment hole 11, in attachment hole 11, is provided with a collar 2, and this collar 2 is arranged in the attachment hole 11 through preventing its axially movable positioning means.As shown in Figure 2, collar 2 has several claws 21 towards attachment hole 11 inner inclination, and claw 21 can fasten and take over 3 outer side walls when insertion takes over 3 in attachment hole 11.In attachment hole 11, be provided with the O RunddichtringO 4 that can form sealing with the adapter of inserting 3.Collar 2 sidepieces are provided with a tubular control core 5 that inserts in the attachment hole 11, and can claw 21 be strutted when attachment hole 11 axially moves inward when controlling core 5, link through worm structure between control core 5 and the body 1.
As shown in Figure 4, the outer end of each claw 21 has at least two pawl pin 21a that separate, and pawl pin 21a outer end is curved.Pawl pin 21a can effectively increase frictional force, can avoid taking over 3 surfaces and is scratched and pawl pin 21a outer end is curved.
As shown in Figure 1, positioning means comprises tubular supporting base 71, positioning ring 72 and is arranged on the positioning step 11c in the attachment hole 11.Supporting base 71 is arranged on the positioning step 11c, and positioning ring 72 is located at supporting base 71 outsides, and above-mentioned collar 2 is arranged between positioning ring 72 and the supporting base 71.Positioning step 11c inboard is provided with backstop step 11d, on backstop step 11d, is provided with above-mentioned O RunddichtringO 4, and supporting base 71 inner ability roof pressures are on O RunddichtringO 4.
As shown in Figure 5, in the present embodiment, attachment hole 11 outer end inner walls have circular groove 11a, on control core 5, have stop surface 56, and are formed for stopping the back-up ring 11b of stop surface 56 through extruding in the circular groove 11a outside.Circular groove 11a is convenient to the extrusion modling of back-up ring 11b, and stop surface 56 can be resisted against on the back-up ring 11b, prevents to control core 5 attachment hole 11 that comes off.
Like Fig. 1, shown in 2 and 3, in the present embodiment, control core 5 outer ends are provided with and can drive the circumferential force structure of control core 5 rotations.This circumferential force structure is to be arranged at least one on the core 5 of control to be used to connect the hole 51 of turning tool, and hole 51 is arranged at control core 5 exterior edge faces.Certain hole 51 here can also be arranged on the outer side wall of control core 5.Turning tool can patchhole 51 in, just can drive 5 rotations of control core easily when turning tool like this, thereby realize controlling moving axially of core 5.
When taking over 3 when inserting in the attachment holes 11, claw 21 can fastening at the outer side wall of taking over 3, be fixed, realize quick connection of body 1 and adapter 3.During dismounting, will control core 5 to attachment hole 11 inboard precessions, control core 5 can strut claw 21, will take over 3 and discharge, and so just can extract out taking over 3 easily.Can realize body 1 and quick the connection and dismounting of taking over 3 through this structure.Owing to adopted screw connection structure, can effectively guarantee to control the working stability of core 5.When control core 5 rotates because of extraneous misoperation, vibrations etc., because limit body 6 is stuck between anti-edge 55 and the body 1, control core 5 can't axially be moved inward, so just can prevent that claw 21 from being backed down, improved working stability effectively.
Shown in Fig. 7-9, in the present embodiment, circumferentially force structure is two convexities 53 that are used for directly pulling 5 rotations of control core that are arranged on the control core 5.As shown in Figure 8, protruding 53 is curved and be symmetricly set in control core 5 outer side walls.Certainly, the convexity 53 here can also be arranged on the end face of control core 5.Obviously, the convexity 53 here can be arranged on the anti-edge 55 and with anti-edge 55 and be integral structure.
The convexity 53 here also can be used to connect turning tool, and its shape designs as required.When control core 5 connects with external turning tool, can drive control core 5 rotates.The remaining part of present embodiment all with embodiment 1 roughly the same, this paper does not do and gives unnecessary details.
Shown in Figure 10-11, in the present embodiment, circumferentially force structure is two symmetrically arranged cell bodies 52 that are arranged on control core 5 end faces.Certainly, the cell body 52 here can also be arranged on control core 5 outer side walls.The cell body 52 here is through the milling moulding.The remaining part of present embodiment all with embodiment 1 roughly the same, this paper does not do and gives unnecessary details.
Shown in Figure 12-13, in the present embodiment, circumferentially force structure is to be arranged on the non-circular surfaces 54 that is used to connect turning tool on control core 5 outer side walls.Usually this non-circular surfaces 54 is positive six shapes or positive octahedral type.The remaining part of present embodiment all with embodiment 1 roughly the same, this paper does not do and gives unnecessary details.
Specific embodiment described herein only is that the present invention's spirit is illustrated.Person of ordinary skill in the field of the present invention can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although this paper has used terms such as body 1, attachment hole 11, circular groove 11a, back-up ring 11b, positioning step 11c, backstop step 11d, collar 2, claw 21, pawl pin 21a, adapter 3, O RunddichtringO 4, control core 5, hole 51, cell body 52, convexity 53, non-circular surfaces 54, anti-edge 55, limit body 6, opening 61, supporting base 71, positioning ring 72 morely.But do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present invention more easily; It all is contrary with spirit of the present invention being construed to any additional restriction to them.
Claims (7)
1. quick water-heating connecting structure; Comprise the have attachment hole tubular body (1) of (11); In attachment hole (11), be provided with a collar (2), this collar (2) is arranged in the attachment hole (11) through preventing its axially movable positioning means, and described collar (2) has several claws (21) towards attachment hole (11) inner inclination; Claw (21) can fasten adapter (3) outer side wall when in attachment hole (11), inserting adapter (3); In attachment hole (11), be provided with the O RunddichtringO (4) that can form sealing with the adapter (3) of inserting, it is characterized in that, described collar (2) sidepiece is provided with a tubular control core (5) that inserts in the attachment hole (11); And, link through worm structure between described control core (5) and the body (1) when control core (5) can strut claw (21) when axially moving inward along attachment hole (11); Described control core (5) part is exposed to outside the attachment hole (11), and is exposed at control core (5) to be provided with between an end and the body (1) of attachment hole (11) and when claw (21) fastens adapter (3) outer side wall, can prevents to control the inboard axially movable position-limit mechanism of core (5) to attachment hole (11); Described position-limit mechanism comprise the anti-edge (55) that is arranged in control core (5) be placed in anti-edge (55) and body (1) between limit body (6), described limit body (6) has can make it be placed in the opening of controlling on the core (5) (61) from sidepiece; Described attachment hole (11) outer end inner wall has circular groove (11a), on control core (5), has stop surface (56), and is formed for stopping the back-up ring (11b) of stop surface (56) in circular groove (11a) outside through extruding.
2. quick water-heating connecting structure according to claim 1 is characterized in that, described control core (5) outer end is provided with and can drives the circumferential force structure that control core (5) rotates or is used for connecting with external turning tool.
3. quick water-heating connecting structure according to claim 2; It is characterized in that; Described circumferential force structure is used to connect the hole (51) or the cell body (52) of turning tool at least one that is arranged on the control core (5), and described hole (51) or cell body (52) are arranged at control core (5) outer side wall or end face.
4. quick water-heating connecting structure according to claim 2; It is characterized in that; Described circumferential force structure is used to connect turning tool or is used for directly pulling the convexity (53) that control core (5) rotates at least one that is arranged on the control core (5), and described convexity (53) is arranged at control core (5) outer side wall or end face.
5. quick water-heating connecting structure according to claim 2 is characterized in that, described circumferential force structure is for being arranged on the non-circular surfaces (54) that is used to connect turning tool on control core (5) outer side wall.
6. according to any described quick water-heating connecting structure among the claim 1-5; It is characterized in that; Described positioning means comprises tubular supporting base (71), positioning ring (72) and is arranged on the positioning step (11c) in the attachment hole (11); Described supporting base (71) is arranged on the positioning step (11c), and positioning ring (72) is located at supporting base (71) outside, and above-mentioned collar (2) is arranged between positioning ring (72) and the supporting base (71).
7. quick water-heating connecting structure according to claim 6; It is characterized in that; Described positioning step (11c) inboard is provided with backstop step (11d), on backstop step (11d), is provided with above-mentioned O RunddichtringO (4), and the inner ability of described supporting base (71) roof pressure is on O RunddichtringO (4); The outer end of described each claw (21) has at least two pawl pin (21a) that separate, and pawl pin (21a) outer end is curved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910099033 CN101576190B (en) | 2009-06-04 | 2009-06-04 | Quick water-heating connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910099033 CN101576190B (en) | 2009-06-04 | 2009-06-04 | Quick water-heating connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101576190A CN101576190A (en) | 2009-11-11 |
| CN101576190B true CN101576190B (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910099033 Expired - Fee Related CN101576190B (en) | 2009-06-04 | 2009-06-04 | Quick water-heating connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN101576190B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434740B (en) * | 2011-09-19 | 2013-05-08 | 中捷厨卫股份有限公司 | Quick connector and pipe connecting method |
| ITRM20120330A1 (en) * | 2012-07-12 | 2014-01-13 | Marcello Cuni | TUBE LOCK DEVICE |
| CN103007757A (en) * | 2012-12-17 | 2013-04-03 | 沁园集团股份有限公司 | Filter core with three waterways |
| CN103742741B (en) * | 2014-01-13 | 2015-11-04 | 北京迈克芬科技有限公司 | Socket type quick connection-disconnecdevice device |
| CN103994291A (en) * | 2014-06-11 | 2014-08-20 | 乔耀兵 | Fast connecting pipeline joint |
| CN104696651A (en) * | 2014-12-03 | 2015-06-10 | 浙江超润润滑元件有限公司 | Fast pipe joint insertion structure |
| CN112856036B (en) * | 2021-02-04 | 2022-06-17 | 重庆鸡冠石建筑工程有限公司 | Waterproof jacking pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2440147Y (en) * | 2000-08-18 | 2001-07-25 | 宁波金帆管件有限公司 | Insertion pipe-adaptor capable of quickly dismounting pipe |
| CN2703943Y (en) * | 2004-06-17 | 2005-06-08 | 章根友 | Pipe jointing structure |
| CN1323257C (en) * | 2001-09-29 | 2007-06-27 | 科迈股份有限公司 | Method for dismantling tube end from connector and relative connector |
| US7530606B1 (en) * | 2008-01-04 | 2009-05-12 | Richard Yang | Quick pipe connector |
| CN201462263U (en) * | 2009-06-04 | 2010-05-12 | 玉环江林水暖管业有限公司 | Rapid hot-water heating connecting structure |
-
2009
- 2009-06-04 CN CN 200910099033 patent/CN101576190B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2440147Y (en) * | 2000-08-18 | 2001-07-25 | 宁波金帆管件有限公司 | Insertion pipe-adaptor capable of quickly dismounting pipe |
| CN1323257C (en) * | 2001-09-29 | 2007-06-27 | 科迈股份有限公司 | Method for dismantling tube end from connector and relative connector |
| CN2703943Y (en) * | 2004-06-17 | 2005-06-08 | 章根友 | Pipe jointing structure |
| US7530606B1 (en) * | 2008-01-04 | 2009-05-12 | Richard Yang | Quick pipe connector |
| CN201462263U (en) * | 2009-06-04 | 2010-05-12 | 玉环江林水暖管业有限公司 | Rapid hot-water heating connecting structure |
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| CN101576190A (en) | 2009-11-11 |
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