CN210566873U

CN210566873U - Quick-crimping connector for hard hose with wide applicability

Info

Publication number: CN210566873U
Application number: CN201921120248.6U
Authority: CN
Inventors: 白斌将; 白家炫
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-19
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a wide applicability's hard hose quick-crimping connector, including shell, end cap and be used for restricting the locating part of hard tube, the shell is equipped with first pipe portion and the second pipe portion that communicate each other, the end cap is established on first pipe portion, and the hose inserts first pipe portion, and the hard tube tip passes second pipe portion and supports the end cap, and the end cap inserts the hose, and the hose tip is fixed in between end cap and the shell. Compared with the prior art, this novel dismouting operation convenient and fast more. And this novel appearance simple structure makes things convenient for parts machining, and in addition, the second pipe portion can be applied to the hard tube that general on the connection market, need not customized hard tube port, plug-and-play, and the suitability is stronger and the scope is wider.

Description

Quick-crimping connector for hard hose with wide applicability

Technical Field

The utility model relates to a quick-witted joint field of crimping, concretely relates to quick-operation joint of hard hose of extensive applicability.

Background

In daily life, a hard pipe and a hose are often required to be connected together, and the hose is sleeved on the hard pipe and then fastened by using tools such as a hoop or a quick-screwing joint with threads. However, this connection method requires a plurality of connection tools, has poor sealing and fastening properties, and is prone to fluid leakage and slippage of the hose from the rigid pipe when the fluid pressure in the pipe is high.

In order to solve the problems, the chinese patent with the patent application number of 201220091810.9 discloses a hard tube and hose connection joint, which comprises a fastening plate, wherein one end of the fastening plate is connected with a hard tube connector end, and the other end of the fastening plate is connected with a hose connector end. Although the hard tube and the hose can be connected, the hard tube joint end is provided with threads, so that the processing is inconvenient, and the hose joint end is provided with the inverted teeth, so that the hose is easy to damage during installation. In addition, need during the hard tube installation to screw the hard tube into the joint with the rotation, complex operation is complicated, if the other end has connect the hose, then the hose can be rotatory along with the joint when screwing the hard tube, causes the hose kink, has influenced the use value of hose pipe diameter size to need great installation operating space, waste time and energy.

In view of the above, the applicant has made an intensive study to solve the above problems and has made the present invention.

Disclosure of Invention

In order to achieve the above purpose, the solution of the present invention is:

the utility model discloses a main aim at provides a wide applicability's hard tube crimping connector, but quick assembly disassembly connects and separates hose and hard tube, is applicable to the general hard tube on the connection market.

the utility model provides a wide applicability's hard hose quick-operation joint, wherein, includes shell, end cap and is used for restricting the locating part of hard tube, the shell is equipped with first pipe portion and the second pipe portion of mutual intercommunication, the end cap is established on first pipe portion, and the hose inserts first pipe portion, and the hard tube tip passes second pipe portion and supports the top end cap, and the end cap inserts the hose, and the hose tip is fixed in between end cap and the shell.

Further, first pipe portion includes along keeping away from the first linkage segment that second pipe portion extending direction communicates in proper order, toper changeover portion and second linkage segment, the internal diameter of first linkage segment is greater than the second linkage segment internal diameter, the end cap bottom cooperates with first pipe portion.

Furthermore, the top end of the plug is also provided with a propping groove for propping the hard tube.

Further, still including the sealing washer, the second pipe portion is equipped with the mounting groove that supplies the sealing washer embedding.

Further, the limiting part comprises a claw piece, and the claw piece is arranged on the second pipe part.

Furthermore, the limiting part further comprises a pressing cap and an inner sleeve, the inner sleeve is fixed on the inner wall of the second pipe part, a first limiting boss is arranged at the upper end of the inner sleeve, the pressing cap movably penetrates through the inner sleeve, a second limiting boss matched with the first limiting boss is arranged on the pressing cap, and the claw piece is arranged at the lower end of the pressing cap.

Furthermore, the locating part still includes claw piece base, claw piece base establishes in the endotheca bottom, and claw piece base and endotheca form the constant head tank, the constant head tank is gone into to claw piece outward flange card.

Furthermore, the pressing cap also comprises a butting part, and the outer diameter of the butting part is contracted towards the bottom to form a cone frustum shape.

Furthermore, the side wall of the second pipe part is also provided with a plurality of positioning holes, the outer wall of the inner sleeve is provided with a plurality of positioning bulges, and the plurality of positioning bulges are respectively embedded into the positioning holes correspondingly.

Further, the claw piece is made of stainless steel materials.

After the structure of the oil adding device is adopted, the utility model relates to a wide applicability's hard hose crimping connector, the utility model discloses first pipe portion has been set up, second pipe portion, the locating part that end cap and restriction hard pipe pine take off, when connecting the erection joint, pass first pipe portion and plug bush with the hose earlier, the hose is inside to be supported the top by the end cap and make the hose end pipe wall expand outward, pass second pipe portion with the hard pipe tip again and insert and support the top and promote the end cap, the end cap receives the thrust of hard pipe tip and continues to insert the hose to first pipe portion direction removal, until the end cap can't continue to promote, the shell this moment, hose and end cap three closely cooperate, the hose end portion is tightly fixed in between shell and the end cap. When the joint is disassembled and separated, the pressing cap is only needed to be pressed down, so that the pressing cap abuts against the top to prop open the limiting part, the limiting part is controlled to loosen the hard pipe, the hard pipe is directly pulled out from the second pipe part, the end cap loses abutting thrust and then cannot continue to clamp the end part of the hose, and the hose can be pulled out from the first pipe part.

Compared with the prior art, beneficial effect lies in, during this novel use, only need to insert hose and hard tube each corresponding pipe portion and can accomplish the installation, need not with the help of other mounting tools, dismouting operation convenient and fast more just can not damage hard tube and hose. And this novel appearance simple structure makes things convenient for parts machining, reduction in production cost. In addition, the second pipe portion can be applied to the hard tube that connects general on the market, need not customized hard tube port, plug-and-play, and the suitability is stronger and the scope is wider.

Drawings

Fig. 1 is a sectional view of the structure of the present invention when connecting a hard hose.

Fig. 2 is a sectional view of the hard hose of the present invention when the hard hose is pulled out.

Fig. 3 is a sectional view showing the outer structure of the housing.

Fig. 4 is a sectional view showing the external structure of the plug.

Fig. 5 is a partially enlarged view of the area a in fig. 2.

In the figure:

a housing-1; a first pipe portion-11; a first connection section-111; a tapered transition-112;

a second connecting section-113; a second tube portion-12; a mounting groove-121; positioning hole-122;

a plug-2; a propping groove-21; a necking-22; a through-hole-23; a limiting part-3; claw sheet-31;

a connecting portion-311; a jaw-312; a press cap-32; a second limit boss-321; an inner sleeve-33;

a first limit boss-331; a positioning projection-332; claw sheet base-34; a positioning groove-341;

abdicating and perforating-342; a hard tube-4; a hose-5; a sealing ring-6;

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

As shown in figures 1-5, the quick-crimping connector for the hard hose with wide applicability comprises a shell 1, a plug 2 and a limiting piece 3 for limiting a hard hose 4. The shell 1 is equipped with first pipe portion 11 and second pipe portion 12 that communicate each other, first pipe portion 11 internal diameter is less than second pipe portion 12 internal diameter, 2 mobilizable the establishing on first pipe portion 11 of end cap, locating part 3 sets up on second pipe portion 12, and hose 5 inserts first pipe portion 11, and 4 tip of hard tube pass second pipe portion 12 and locating part 3 and support end cap 2, make 2 tip of end

cap insert hose

5, and 5 end fixing of hose are in between end cap 2 and shell 1, end cap 2 is equipped with through-hole 23, through-hole 23 communicates first pipe portion 11 and second pipe portion 12.

After adopting above-mentioned structure, this is novel to have set up first pipe portion 11, second pipe portion 12, stopper 2 and restriction hard tube 4 locating part 3 that takes off, when connecting the erection joint, earlier pass first pipe portion 11 and plug bush on stopper 2 with hose 5, hose 5 is inside to be supported by stopper 2 and top and make 5 tip pipe walls of hose expand outward, pass second pipe portion 12 with 4 tip of hard tube again and insert and support and push up and promote stopper 2, stopper 2 receives the thrust of 4 tip of hard tube and moves to first pipe portion 11 direction and continue to insert hose 5, further increase the outer length that expands of hose 5, can't continue to promote until stopper 2, shell 1 this moment,

hose

5 and 2 three of stopper closely push up each other, 5 tip of hose is tightly clamped between shell 1 and stopper 2. When the joint is disassembled and separated, only the limiting part 3 needs to be controlled to loosen the hard pipe 4, the hard pipe 4 is directly pulled out from the second pipe part 12, the end part of the hose 5 cannot be continuously clamped after the abutting thrust is lost by the plug 2, and the hose 5 can be pulled out from the first pipe part 11.

Compared with the prior art, beneficial effect lies in, during this novel use, only need to insert hose 5 and hard tube 4 and can accomplish the installation, need not with the help of other mounting tools, dismouting operation convenient and fast more. And this novel appearance simple structure makes things convenient for parts machining, reduction in production cost. In addition, because this is novel to cooperate through end cap 2 and hose 5, general hard tube on the market is direct as long as to support with the hose, need not to reform transform the hard tube port, plug-and-play, and the suitability is stronger and the scope is wider.

Preferably, the first pipe portion 11 includes a first connecting section 111, a tapered transition section 112 and a second connecting section 113 which are sequentially communicated along the extending direction away from the second pipe portion 12, and the inner diameter of the first connecting section 111 is larger than that of the second connecting section 113. 2 bottom of end cap and the cooperation of first pipe portion, it is concrete, end cap 2 is equipped with throat 22, and the minimum outer aperture of throat 22 is less than the hose diameter, makes things convenient for the end cap to insert the hose, the outer wall of throat 22 is the toper form and is the same with the slope tapering of toper changeover portion 112. Therefore, when the plug 2 is pushed by the hard tube 4 to be inserted into the hose 5, the distance between the outer tube wall of the plug 2 and the inner tube wall of the tapered transition section 112 is gradually reduced, so that the plug 2 and the tapered transition section 112 gradually clamp the hose 5, and when the throat 22 and the housing 1 start to clamp the hose 4, the outer side surface of the throat 22 and the inner side surface of the tapered transition section 112 are in a parallel state, so that the tube wall of the hose 5 is not subjected to unbalanced single-side pressure, and the hose 5 is prevented from being damaged.

Preferably, the top center is provided with a propping groove 21 for the hard tube 4 to insert and prop against, which is beneficial to the hard tube 4 to quickly and accurately position and prop against the plug 2, and the outer diameter of the propping groove 21 is larger than the inner diameter of the second connecting section 113, so as to prevent the plug 2 from being separated from the first tube part 11.

Preferably, the sealing device further comprises a sealing ring 6, and the bottom of the second pipe part 12 is provided with a mounting groove 121 in which the sealing ring 6 is embedded. The sealing ring 6 is used for sealing the hard tube 4, preventing the leakage of the joint of the hard tube 4 and the plug 2 and enhancing the sealing performance of the joint.

Preferably, the stopper 3 includes a claw piece 31, the claw piece 31 is disposed on the second pipe portion 12 and located above the sealing ring 6, the claw piece 31 includes an annular connecting portion 311 and a plurality of claws 312, the plurality of claws 312 are annularly distributed at equal intervals inside the connecting portion 311, and the claws 312 have elasticity and are bent toward the first pipe portion 11. After adopting above-mentioned structure, because the hard tube 4 male direction is the same with the claw piece 31 direction of bending, so can insert second pipe portion 12 smoothly, will extract second pipe portion 12 when hard tube 4, a plurality of jack catchs 312 support the hard tube 4 lateral wall simultaneously, restrict hard tube 4 and extract, claw piece 31 plays the stopping effect when hard tube 4 inserts to simple structure is ingenious, convenient processing and installation.

Preferably, the limiting member 3 further includes a pressing cap 32 and an inner sleeve 33, the inner sleeve 33 is fixed on the inner wall of the second tube portion 12, the upper end of the inner sleeve 33 is provided with a first limiting boss 331, the pressing cap 32 is movably disposed in the inner sleeve 33 in a penetrating manner, the pressing cap 32 is provided with a second limiting boss 321 matched with the first limiting boss 331 to prevent the pressing cap 32 from coming off the inner sleeve 33, and the claw 31 is disposed at the lower end of the pressing cap.

Preferably, locating part 3 is still including claw piece base 34, claw piece base 34 is established in the endotheca 33 bottom, and claw piece base 34 and endotheca 33 form constant head tank 341, the connecting portion 311 card of claw piece 31 is gone into constant head tank 341 fixed connection, claw piece base 34 center still is equipped with and gives way perforation 342, jack catch 312 stretches into and gives way inside the perforation 342.

Preferably, the press cap 32 further includes a top portion 322, the outer diameter of the top portion 322 is contracted towards the bottom to form a truncated cone shape, when the hard tube 4 is disassembled, the top portion 322 moves downwards to extend into the abdicating through hole 342, and the claw 312 in the abdicating through hole is pushed outwards, so that the claw 312 is separated from the hard tube 4, and then the hard tube 4 is pulled out.

Preferably, the side wall of the second pipe portion 12 is further provided with a plurality of positioning holes 122, the outer wall of the inner sleeve 33 is provided with a plurality of positioning protrusions 332, and the plurality of positioning protrusions 332 are respectively and correspondingly embedded into the positioning holes 122. After adopting above-mentioned structure, make things convenient for interior cover 33 to fix and dismantle to simple structure, part are workable.

Preferably, the claw piece 31 is made of stainless steel. Adopt stainless steel material, have stronger corrosion resistance, prevent that the claw piece 31 from rustting and damaging, prolonged the life of this novel joint greatly.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims

1. The utility model provides a wide applicability's hard hose quick-operation joint, its characterized in that, includes shell, end cap and is used for restricting the locating part of hard tube, the shell is equipped with first pipe portion and the second pipe portion of mutual intercommunication, the end cap is mobilizable to be established on first pipe portion, and the hose inserts first pipe portion, and the hard tube tip passes second pipe portion and supports the end cap, and the end cap inserts the hose, and the hose tip is fixed in between end cap and the shell.

2. The quick-crimping connector for the hard hose with wide applicability as claimed in claim 1, wherein the first pipe portion comprises a first connecting section, a tapered transition section and a second connecting section which are sequentially communicated in the extending direction away from the second pipe portion, the inner diameter of the first connecting section is larger than that of the second connecting section, and the bottom end of the plug is matched with the first pipe portion.

3. The quick-crimping connector for the hard hose with wide applicability as claimed in claim 2, wherein the top end of the plug is further provided with an abutting groove for abutting against the hard hose.

4. A quick-acting pressure connecting joint for hard flexible pipes with wide applicability according to any one of claims 1 to 3, characterized in that it further comprises a sealing ring, and the second pipe part is provided with a mounting groove for the sealing ring to be embedded in.

5. A very adaptable quick coupler for hard hoses, as set forth in claim 4, wherein said retainer includes a detent disposed on said second tube portion.

6. A widely applicable quick crimping connector for hard hose according to claim 5, wherein said limiting member further comprises a pressing cap and an inner sleeve, said inner sleeve is fixed to the inner wall of the second tube portion and has a first limiting boss at the upper end thereof, said pressing cap is movably inserted into the inner sleeve, said pressing cap has a second limiting boss cooperating with the first limiting boss, and said claw piece is provided at the lower end of the pressing cap.

7. The quick-crimping connector for the hard hose with wide applicability of claim 6, wherein the limiting member further comprises a claw piece base, the claw piece base is arranged at the bottom of the inner sleeve, the claw piece base and the inner sleeve form a positioning groove, and the outer edge of the claw piece is clamped into the positioning groove.

8. A broad applicability quick crimping connector for hard hoses according to claim 7, wherein said cap further includes a butt portion, said butt portion tapering radially outward toward a bottom portion to form a truncated cone shape.

9. The quick-crimping connector for the hard hose with wide applicability of claim 8, wherein the side wall of the second tube portion is further provided with a plurality of positioning holes, the outer wall of the inner sleeve is provided with a plurality of positioning protrusions, and the plurality of positioning protrusions are respectively embedded into the positioning holes.

10. A flexible hard hose quick connect coupling as set forth in claim 9, wherein said fingers are made of stainless steel.