CN213452278U

CN213452278U - Pipe fitting connector

Info

Publication number: CN213452278U
Application number: CN202022366091.4U
Authority: CN
Inventors: 陈昌中; 吴扬军; 黄英文; 谭德强; 陈焕焕; 唐登峰
Original assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhan Electric Appliances Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Gree Wuhan Electric Appliances Co Ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-15
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a pipe connector, include: the connecting body is provided with a first end part, a second end part, a connecting part and an avoiding through hole arranged on the connecting part; the clamping assembly is arranged in the first end part of the connecting main body and can clamp the first pipe fitting; the adapter assembly is arranged at the second end part of the connecting main body and can be connected with the second pipe fitting; the core body assembly is arranged in the connecting part of the connecting main body and can enable the first pipe fitting and the second pipe fitting to be communicated with each other under the assistance of the switching assembly and the connecting main body; an elastic member disposed between the core assembly and the adapter assembly; the lever component comprises a connecting rod part which is hinged on the connecting part of the connecting body and is provided with a poking bar hole and a pressure rod part connected with the connecting rod part; and the transmission pin shaft can sequentially penetrate through the toggle strip hole and the avoidance through hole and is arranged on the core body assembly. This pipe fitting connector not only can reduce operating personnel's intensity of labour when being used, improves work efficiency, can also reduce the injured risk of operating personnel.

Description

Pipe fitting connector

Technical Field

The utility model belongs to the technical field of the pipeline annex, concretely relates to pipe connector.

Background

A pipe connector is a device for enabling quick connection and disconnection of pipes. In the prior art, as shown in fig. 6, a pipe connector 200 mainly includes a connecting body 1, a clamping assembly 2, an adapter assembly 3, a core assembly 4, an elastic member 5, a locking bead 201 and an outer sliding sleeve 202, the pipe connector 200 is connected to a pipe first, when another pipe needs to be connected, an operator needs to pull the outer sliding sleeve 202 by hand, the locking bead 201 is allowed to move radially outward of the connecting body 1 and release its locking effect on the core assembly 4, at this time, the elastic member 5 can push the core assembly 4 to move toward the clamping assembly 2 by a restoring force, and press the clamping assembly 2 by the core assembly 4 to urge the clamping assembly 2 to clamp the pipe inserted therein, so as to complete quick connection of the two pipes.

Although the pipe connector 200 can complete the quick connection and disconnection of two pipes, in the using process, the elastic member 5 is in a compression state, and the requirement on the sealing performance is high, the elastic force of the elastic member 5 is large, so that an operator needs to consume large force to complete the connection and disconnection of the two pipes in the process of pulling the outer sliding sleeve 202, the labor intensity of the operator is increased, the working efficiency is reduced, the possibility of the outer sliding sleeve being out of hand is also existed in the using process, and the risk of injury is caused to the operator.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned whole or partial problem, the utility model aims to provide a pipe connector for solve operating personnel and need consume the problem of great power when using pipe connector, this intensity of labour that not only can reduce operating personnel improves work efficiency, can also reduce the injured risk of operating personnel.

According to the utility model provides a pair of pipe fitting connector, it is used for connecting first pipe fitting and second pipe fitting, and this pipe fitting connector includes: the connecting body is provided with a first end part, a second end part, a connecting part for connecting the first end part and the second end part, and an avoidance through hole arranged on the connecting part; the clamping assembly is embedded in the first end part of the connecting main body and can clamp the first pipe fitting inserted into the clamping assembly; the adapter assembly is arranged at the second end of the connecting body and is connected with the second pipe fitting; the core assembly is arranged in the connecting part of the connecting main body and can promote the first pipe fitting and the second pipe fitting to be mutually communicated under the assistance of the adapter assembly and the connecting main body; a resilient member disposed within the second end of the connecting body and captured between the core assembly and the adapter assembly; the lever component comprises a connecting rod part which is hinged on the connecting part of the connecting body and is provided with a poking bar hole and a rod pressing part connected with the connecting rod part; the transmission pin shaft can sequentially penetrate through the toggle strip hole of the lever component and the avoidance through hole of the connecting main body and is arranged on the core body component; when the pressure lever part of the lever component is operated to move from a first station far away from the connecting body to a second station close to the connecting body, the connecting rod part of the lever component can rotate in a preset direction relative to the connecting body and drives the core component to move towards the second end of the connecting body through the transmission pin shaft so as to promote the core component to reduce the pressure applied to the clamping component while compressing the elastic component until the first pipe fitting can be inserted into the clamping component; when the lever part loses to control, the elastic component of compression promotes through the restoring force the core subassembly orientation the first end motion of connecting body makes the core subassembly can not only drive through driving pin axle the connecting rod portion of lever part for connecting body carries out predetermined direction's antiport, and forces the depression bar portion of lever part from the second station towards first station motion, can increase moreover right the pressure that clamping component applyed, until clamping component will insert it first pipe fitting presss from both sides tightly.

Further, the included angle between the connecting rod part and the pressure rod part is 80-100 degrees.

Further, the connecting rod part is of a U-shaped structure with an opening end and a closed end, the opening end of the connecting rod part is buckled on the connecting body and is hinged with the connecting body through two hinge shafts which are symmetrically arranged, and the closed end of the connecting rod part is connected with one end of the lever.

Further, the core body assembly comprises an inner sliding sleeve, a connection ring body, a first sealing ring and a second sealing ring, wherein the inner sliding sleeve can be used for jacking and pressing the clamping assembly and is used for installing the transmission pin shaft, the connection ring body is arranged between the inner sliding sleeve and the elastic component, the first sealing ring is arranged at the end part, close to the inner sliding sleeve, of the connection ring body, the first sealing ring is arranged between the connection ring body and the connecting body and can move along with the connection ring body, the second sealing ring is arranged between the switching assembly and the connecting body, and when the first pipe fitting sequentially penetrates through the clamping assembly and the inner sliding sleeve and abuts against the first sealing ring, the connection ring, the second sealing ring, the connecting body and the switching assembly can form a closed connecting channel for the first pipe fitting and the second pipe fitting.

Further, the elastic member is a compression spring.

Further, the connection ring body comprises a small diameter part and a large diameter part which are sequentially arranged along the direction far away from the clamping assembly and are connected with each other, wherein the small diameter part is used for bearing the first sealing gasket and can carry the first sealing gasket to jointly enter the inner sliding sleeve, and the large diameter part can abut against the elastic member.

Further, the clamping assembly comprises a first clamping ring connected with the first end of the connecting body and provided with an inner ring flange, a second clamping ring arranged at one end of the first clamping ring far away from the inner ring flange and capable of being pressed by the core assembly, an expansion ring which is arranged between the inner ring flange of the first clamping ring and the second clamping ring and formed by splicing a plurality of petal-shaped pressing blocks, and an elastic ferrule coaxially embedded in the inner wall of the expansion ring sleeve, wherein a contact interface between the inner ring flange of the first clamping ring and the expansion ring and a contact interface between the second clamping ring and the expansion ring are in conical surface fit, when the core assembly increases the pressure applied to the clamping assembly, the second clamping ring moves towards the inner ring flange of the first clamping ring and forces the expansion ring to radially contract, so that the expansion ring can clamp the second pipe fitting inserted into the expansion ring while compressing the elastic ferrule, when the core assembly reduces the pressure applied to the clamping assembly, the expansion ring can be expanded radially by the compressed elastic ferrule, and meanwhile, the second clamping ring is promoted to move away from the inner ring flange of the first clamping ring.

Further, the number of the petal-shaped pressing blocks is 3, and each petal-shaped pressing block is an arc-shaped block.

Further, the pipe connector further comprises a second sealing washer which is arranged on the second clamping ring and can be pressed by the core body assembly.

Further, the transmission pin shaft is an inner hexagon screw which can be screwed into the core body assembly, and the cylindrical head of the inner hexagon screw is positioned in the toggle bar hole of the lever component.

According to the above technical scheme, the utility model provides a pipe connector mainly replaces prior art's outer sliding sleeve and locking pearl through newly-increased lever part and drive pin axle, and this lever part can be easily controlled and drive the core subassembly through the slider-crank mechanism who comprises drive pin axle and stir a hole jointly and move in the connecting main part with accomplishing the exerting pressure and the pressure release to clamping components to guarantee that this pipe connector can accomplish the quick connect and the disconnection of two pipe fittings. This pipe fitting connector has guaranteed that operating personnel need not consume very big power when using this pipe fitting connector by the laborsaving principle of lever, and this not only can reduce operating personnel's intensity of labour, improves work efficiency, can also reduce the injured risk of operating personnel. And simultaneously, the utility model discloses a pipe connector's compact structure, assembly are easy, use safe and reliable, and the implementation of being convenient for is popularized and applied.

Drawings

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the figure:

figure 1 schematically illustrates a pipe connector according to an embodiment of the invention;

FIG. 2 is a partial cross-sectional view of the tubular connector of FIG. 1;

fig. 3 is a schematic structural diagram of a lever component according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of a switch-on ring body of an embodiment of the present invention;

fig. 5 is a front view of an expansion and contraction ring according to an embodiment of the present invention;

fig. 6 is a schematic half-sectional view of a conventional pipe connector.

In the drawings, like parts are provided with like reference numerals. The figures are not drawn to scale.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Figure 1 schematically illustrates a pipe connector according to an embodiment of the invention; figure 2 is a partial cross-sectional view of the plumbing connector of figure 1. As shown in fig. 1 and 2, the pipe connector 100 of the present invention is used for connecting a first pipe and a second pipe, and the pipe connector 100 mainly includes a connecting body 1, a clamping assembly 2, a switching assembly 3, a core assembly 4, an elastic member 6, a lever component 7 and a transmission pin 8. The connecting body 1 has a first end 11, a second end 12, a connecting portion 13 connecting the first end 11 and the second end 12, and a relief through hole 14 provided in the connecting portion 13. The clamping assembly 2 is inserted into the first end 11 of the coupling body 1 and can clamp a first pipe (not shown) inserted therein. An adapter assembly 3 is provided at the second end 12 of the connector body 1 and is adapted to be connected to a second pipe (not shown), the adapter assembly 3 being optionally a conventional pipe fitting. The core assembly 4 is provided in the connecting portion 13 of the connecting body 1 and can urge the first pipe fitting and the second pipe fitting to communicate with each other with the aid of the adapter assembly 3 and the connecting body 1. The resilient member 6 is provided within the second end 12 of the connecting body 1 and is trapped between the core assembly 4 and the adaptor assembly 3, preferably a compression spring is suggested. The lever member 7 includes a link portion 71 hinged on the connecting portion 13 of the connecting body 1 and having a toggle bar hole 711, and a pressing lever portion 72 connected to the link portion 71. The driving pin shaft 8 can pass through the toggle bar hole 711 of the lever member 7 and the escape through hole 14 of the connecting body 1 in sequence and is mounted on the core assembly 4. The driving pin 8 is preferably, but not limited to, a socket head cap screw that can be screwed into the core assembly 4, and the cylindrical head portion of the socket head cap screw is located in the toggle bar hole 711 of the lever member 7.

The use of the pipe connector 100 will now be briefly described. When the pressing rod portion 72 of the lever member 7 is manipulated to move from a first position (i.e., the position shown in fig. 1) away from the connecting body 1 to a second position (not shown) close to the connecting body 1, the link portion 71 of the lever member 7 can rotate in the predetermined direction S relative to the connecting body 1 and bring the core assembly 4 toward the second end 12 of the connecting body 1 via the transmission pin 8, so as to cause the core assembly 4 to reduce the pressure applied to the clamping assembly 2 while compressing the elastic member 6 until the first pipe can be inserted into the clamping assembly 2. When the lever component 7 loses its operation, the compressed elastic member 6 pushes the core assembly 4 toward the first end 11 of the connecting body 1 by the restoring force, so that the core assembly 4 not only can drive the link portion 71 of the lever component 7 to perform the reverse rotation in the predetermined direction S relative to the connecting body 1 through the transmission pin 8 and force the pressing rod portion 72 of the lever component 7 to move from the second station toward the first station, but also can increase the pressure applied to the clamping assembly 2 until the clamping assembly 2 clamps the first pipe inserted therein.

Therefore, according to the embodiment of the present invention, the pipe connector 100 mainly replaces the outer sliding sleeve 202 and the locking bead 201 of the prior art with the newly added lever component 7 and the driving pin shaft 8, the lever component 7 can be easily controlled and drives the core assembly 4 to move in the connecting body 1 through the crank-slider mechanism jointly composed of the driving pin shaft 8 and the toggle bar hole 711 to complete the pressing and releasing of the clamping assembly 2, so as to ensure that the pipe connector 100 can complete the quick connection and disconnection of the first pipe and the second pipe. This pipe fitting connector 100 utilizes the laborsaving principle of lever to guarantee that operating personnel need not consume very big power when using this pipe fitting connector 100, and this not only can reduce operating personnel's intensity of labour, improves work efficiency, can also reduce the injured risk of operating personnel. And simultaneously, the utility model discloses a pipe connector 100's compact structure, assembly are easy, use safe and reliable, and the implementation of being convenient for is popularized and applied.

In the embodiment of the present invention, as shown in fig. 3, the connecting rod portion 71 has a U-shaped structure having an open end 712 and a closed end 713, the open end 712 is fastened to the connecting body 1 and is hinged to the connecting body 1 through two hinge shafts symmetrically arranged, and the closed end 713 is connected to one end of the pressing rod portion 72. This link portion 71 not only has high strength but also can perform a more smooth movement with respect to the connecting body 1, and can indirectly stabilize the movement of the core assembly 4 within the connecting body 1. Preferably, the angle between the link portion 71 and the pressing rod portion 72 is 80-100 °, so that the operator can switch the pressing rod portion 72 between the first station and the second station by the gripping action and the loosening action.

The embodiment of the present invention provides, the core body assembly 4 includes an inner sliding sleeve 41 capable of pressing the clamping assembly 2 and used for installing the transmission pin shaft 8, a switch-on ring body 42 arranged between the inner sliding sleeve 41 and the elastic member 6, and a first sealing ring 43 arranged on the end of the switch-on ring body 42 close to the inner sliding sleeve 41, and a first sealing ring 44 arranged between the switch-on ring body 42 and the connecting body 1 and capable of following the motion of the switch-on ring body 42, and a second sealing ring 45 arranged between the switching assembly 3 and the connecting body 1. When the first tubular element passes sequentially through the clamping assembly 2 and the inner sliding sleeve 41 and abuts against the first sealing washer 43, the access ring 42, the first sealing ring 44, the second sealing ring 45, the connecting body 1 and the adapter assembly 3 can create a closed connecting channel for the first tubular element and the second tubular element. Wherein the first sealing washer 43, the first sealing ring 44 and the second sealing ring 45 can increase the sealing performance of the pipe fitting connector 100 and prevent the fluid from leaking in the pipe fitting connector 100.

In the embodiment of the present invention, as shown in fig. 4, the connection ring 42 includes a small diameter portion 421 and a large diameter portion 422 which are sequentially arranged along the direction away from the clamping assembly 2 and connected to each other, wherein the small diameter portion 421 is used for bearing the first sealing washer 43 and can carry the first sealing washer 43 to jointly enter the inner sliding sleeve 41, and the large diameter portion 422 can abut against the elastic member 6. This further increases the sealing ability of the pipe connector 100, and reduces the possibility of fluid leakage within the pipe connector 100.

In the embodiment of the present invention, the clamping assembly 2 includes a first clamping ring 21 connected to the first end 11 of the connecting body 1 and having an inner ring flange 21a, a second clamping ring 22 disposed in the first clamping ring 21 and far away from one end of the inner ring flange 21a and capable of being squeezed by the core assembly 4, and an expanding ring 23 disposed between the inner ring flange 21a of the first clamping ring 21 and the second clamping ring 22 and formed by splicing a plurality of petal-shaped pressing blocks 231, and an elastic collar 24 coaxially embedded in the inner wall of the expanding ring sleeve 23, wherein a contact interface between the inner ring flange 21a of the first clamping ring 21 and the expanding ring 23 and a contact interface between the second clamping ring 22 and the expanding ring 23 are both in conical surface fit. Wherein, when the core assembly 4 increases the pressure applied to the clamping assembly 2, the second clamping ring 22 moves towards the inner ring flange 21a of the first clamping ring 21 and forces the expansion ring 23 to radially contract, so that the expansion ring 23 can clamp the first pipe inserted therein while compressing the elastic ferrule 24, and when the core assembly 4 decreases the pressure applied to the clamping assembly 2, the expansion ring 23 can expand radially while being supported by the compressed elastic ferrule 24, and simultaneously forces the second clamping ring 22 to move away from the inner ring flange 21a of the first clamping ring 21. In this way, the gripping assembly 2 is able to safely grip and release a second tubular. Wherein, the preferred 3 of quantity of lamella formula briquetting 231, every lamella formula briquetting 231 presents for the arc piece, not only can guarantee that lamella formula briquetting 231 implements firm inseparable clamp to first pipe fitting from this, can also avoid the processing cost too high.

In the embodiment of the present invention, the pipe connector 100 may further include a second sealing washer 25 disposed on the second clamping ring 22 and capable of pressing against the core assembly 4, thereby further increasing the sealing performance of the pipe connector 100.

To sum up, the utility model provides a pipe fitting connector 100 has guaranteed that operating personnel need not consume very big power when using it, and this not only can reduce operating personnel's intensity of labour, improves work efficiency, can also reduce the injured risk of operating personnel.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The above description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily make changes or variations within the technical scope of the present invention, and such changes or variations should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A pipe connector for connecting a first pipe and a second pipe, comprising:

the connecting body is provided with a first end part, a second end part, a connecting part for connecting the first end part and the second end part, and an avoidance through hole arranged on the connecting part;

the clamping assembly is embedded in the first end part of the connecting main body and can clamp the first pipe fitting inserted into the clamping assembly;

the adapter assembly is arranged at the second end of the connecting body and is connected with the second pipe fitting;

the core assembly is arranged in the connecting part of the connecting main body and can promote the first pipe fitting and the second pipe fitting to be mutually communicated under the assistance of the adapter assembly and the connecting main body;

a resilient member disposed within the second end of the connecting body and captured between the core assembly and the adapter assembly;

the lever component comprises a connecting rod part which is hinged on the connecting part of the connecting body and is provided with a poking bar hole and a rod pressing part connected with the connecting rod part;

the transmission pin shaft can sequentially penetrate through the toggle strip hole of the lever component and the avoidance through hole of the connecting main body and is arranged on the core body component;

wherein the content of the first and second substances,

when the pressure lever part of the lever component is operated to move from a first station far away from the connecting body to a second station close to the connecting body, the connecting rod part of the lever component can rotate in a preset direction relative to the connecting body and drives the core component to move towards the second end part of the connecting body through the transmission pin shaft so as to cause the core component to reduce the pressure applied to the clamping component while compressing the elastic component until the first pipe fitting can be inserted into the clamping component;

when the lever part loses to control, the elastic component of compression promotes through the restoring force the core subassembly orientation the first end motion of connecting body makes the core subassembly can not only drive through driving pin axle the connecting rod portion of lever part for connecting body carries out predetermined direction's antiport, and forces the depression bar portion of lever part from the second station towards first station motion, can increase moreover right the pressure that clamping component applyed, until clamping component will insert it first pipe fitting presss from both sides tightly.

2. A tubular connector according to claim 1, wherein the angle between the link portion and the strut portion is 80-100 °.

3. A pipe fitting connector according to claim 2, wherein the link portion is a U-shaped structure having an open end and a closed end, the open end being fastened to the coupling body and being hinged to the coupling body by two hinge shafts symmetrically arranged, and the closed end being connected to one end of the lever.

4. A tubular connector as claimed in any one of claims 1 to 3 wherein said core assembly includes an inner sleeve adapted to bear against said clamp assembly and to receive said drive pin, a switch-on ring disposed between said inner sleeve and said resilient member, and a first sealing gasket mounted on the end of said switch-on ring adjacent said inner sleeve, a first sealing ferrule arranged between the connecting ring body and the connecting main body and capable of moving along with the connecting ring body, and a second sealing ferrule arranged between the switching component and the connecting main body, when the first pipe element sequentially passes through the clamping assembly and the inner sliding sleeve and is abutted against the first sealing gasket, the first sealing washer, the connection ring body, the first sealing ring, the second sealing ring, the connecting body and the adapter assembly can construct a closed connecting channel for the first pipe fitting and the second pipe fitting.

5. A tubular connector according to claim 4, characterized in that the resilient member is a compression spring.

6. A tubular connector according to claim 5, characterized in that said contact ring comprises a small diameter portion and a large diameter portion, which are arranged in series in a direction away from said clamping assembly and are connected to each other, wherein said small diameter portion is used for carrying said first sealing gasket and can carry it jointly into said inner sliding sleeve, and said large diameter portion can abut against said elastic member.

7. A tubular connector according to any one of claims 1 to 3, wherein the clamping assembly comprises a first clamp ring connected to the first end of the connecting body and having an inner ring flange, a second clamp ring disposed at an end of the first clamp ring remote from the inner ring flange and capable of being compressed by the core assembly, and an expander ring disposed between the inner ring flange of the first clamp ring and the second clamp ring and made up of a plurality of segmented segments, and a resilient collar coaxially embedded in an inner wall of the expander ring, the contact interface between the inner ring flange of the first clamp ring and the expander ring and the contact interface between the second clamp ring and the expander ring both being tapered, wherein the second clamp ring moves towards the inner ring flange of the first clamp ring and forces the expander ring to radially contract when the core assembly increases the pressure applied to the clamping assembly, so that the expansion ring can clamp the second pipe inserted into the expansion ring while compressing the elastic ferrule, and when the core assembly reduces the pressure applied to the clamping assembly, the expansion ring can be expanded radially by the compressed elastic ferrule and simultaneously cause the second clamp ring to move away from the inner ring flange of the first clamp ring.

8. A tubular connector as claimed in claim 7 wherein the number of said petal blocks is 3, each of said petal blocks presenting an arcuate block.

9. A tubular connector as claimed in claim 7, further comprising a second sealing gasket disposed on said second clamping ring and capable of being pressed against said core assembly.

10. A tubular connector as claimed in any one of claims 1 to 3 wherein the drive pin is a socket head cap screw which can be screwed into the core assembly, the cylindrical head of the socket head cap screw being located in the toggle bar hole of the lever member.