TW201506292A - One-touch injection pipe connection device with easy component assembly - Google Patents

Abstract

The present invention relates to a one-touch insertion type pipe connection device with easy component assembling which includes a connection pipe having a hollow shape and expanded on both ends thereof around the center thereof to have a pipe accommodation recess where pipes are inserted into both ends thereof, fixing recesses expanded from both ends of the pipe accommodation recess, first slant surfaces inclined downwardly from the ends of the fixing recesses toward the outside, and pipe insertion holes formed on the ends of the first slant surfaces so as to prevent the drooping of the pipes; O-rings made of an elastic material maintaining water tightness and providing a given elastic force and inserted into the fixing recesses of the connection pipe; base members made of an elastic material providing a given elastic force and inserted into the rear ends of the O-rings; and a jaw member having a plurality of jaws each having a tooth formed on the inner peripheral surface thereof and a second slant surface formed on the outer peripheral surface thereof with the same inclination as the first slant surface of the connection pipe and elastic members connecting the jaws with each other to provide the jaw member having a round shape, so that the jaw member is inserted into the inside of the first slant surfaces of the connection pipe.

Description

Trigger plug-in conduit connector for easy component assembly

BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a trigger insertion type catheter connection device which is easy to assemble a component, and more particularly to a trigger insertion type catheter connection device which is easy to assemble a component, that is, in order to pipe the connection pipe formed by the expansion pipe, After the joint is welded, the connecting tube is subjected to a drug treatment, so that the surface of the connecting tube is smooth and the metal component is reduced, and the jaws, the O-ring and the rubber supporting member integrally formed by the rubber are deformed and inserted into the connecting tube. Thereby, the appearance of the product can be made very beautiful, and the jaws, the O-ring, and the rubber support can be easily assembled.

In general, in the state in which the airtightness of the piping is maintained, the conduit connecting device is mainly used as a tool for connecting and fixing the piping and the piping, and according to the structural form of the conduit connecting device, there are a straight type, an elbow type, and a T-shaped type. , cross type and other forms.

In order to improve airtightness and bonding, the conventional conduit connecting device needs to weld the connecting portion of the pipe or requires a separate fixing member and a buckle for screwing. Therefore, the piping connection work is difficult, the assembly process is increased, and there is construction. The problem of increased costs.

Further, the thickness of the stainless steel pipe used as a common pipe which is generally used in the pipe connecting device of the prior art is very thin, so that it is difficult to form a thread even at the construction site, and therefore, there is a It is necessary to use a special press machine or an additional inconvenience such as additional pipe expansion.

In order to solve this problem, various catheter connection devices have been developed.

Regarding the catheter connection device, it is disclosed in the domestic publication patent No. 10-2009-0039630.

A conduit connecting device disclosed in the domestic patent application No. 10-2009-0039630, as shown in FIG. 1, the conduit connecting device includes: a conduit connecting device 110 disposed at a position where the two conduits 1 and 2 are connected to each other; In a state between the conduit connecting device 110 and the ducts 1, 2, respectively, a distal end portion of the duct connecting device 110 is inserted and coupled, and a plurality of jaws are formed at regular intervals along the outer peripheral surface. The jaw holder 120 of the hole 121; is rotatably attached to the jaw mounting hole 121, and is inserted into the inside of the jaw holder 120 by being pressurized by the inner wall surface 110a of the catheter coupling device 110. The jaws 1 and 2 are crimped and fixed to the jaws 130; and the elastic members 140 are provided inside the catheter coupling device 110 in such a manner as to elastically support the jaws 130. At this time, a gasket 150, an elastic support ring 160, and a seal 170 are provided inside the conduit connecting device 110.

However, the connector for the catheter must form an inclined portion in the body, and the connecting device of the catheter must separately form a complicated jaw holder and a jaw, so that the manufacturing time and the assembly time are increased, resulting in production. The problem of increased costs.

In order to solve such problems, a domestic registered patent of the publication number 10-0984839 was developed.

As shown in FIG. 2 and FIG. 3, the catheter connector disclosed in Japanese Patent Application Publication No. 10-0984839 includes a catheter 10 for accommodating a groove portion 111 and an inclined portion 112 formed along the inner peripheral wall. a pair of body 110; a stopper member 120 for stopping movement of the duct 10 in a manner of moving along the inclined portion 112; and a spring member for elastically supporting the stopper member 120 in the radial direction The first elastic member 130; the second elastic member 140 for elastically supporting the stopper member 120 in the axial direction; and the cover member 150 provided at the inlet 113 to prevent foreign matter from entering the pair of the body 110.

However, after the stopper member and the first and second elastic members are inserted into the inside of the body, the connector for the catheter is narrowed by applying pressure to prevent them from falling off. When pressure is applied to narrow it, scratches and the like are caused in appearance, which causes an unsightly appearance, and the internal elastic member is melted by heat. Therefore, there is a possibility that the welding operation for connecting the pipes cannot be performed and the application portion is limited. problem.

Conventional technical literature

Patent literature

Patent Document 1: Domestic Patent Publication No. 10-2009-0039630; Patent Document 2: Domestically Registered Patent Gazette No. 10-0984839.

The present invention has been made to solve the above problems, and an object of the invention is to provide a trigger insertion type conduit connecting device which is easy to assemble a component, that is, a pipe connection for connecting pipes formed by pipe expansion, and a pair connection After the object is welded, the connecting tube is subjected to a drug treatment, so that the surface of the connecting tube is smoothed and the metal component is reduced, and the jaws, the O-ring and the rubber supporting member integrally formed by the rubber are deformed and inserted into the connecting tube, thereby It can make the appearance of the product very beautiful, and it can easily assemble jaws, O-rings and rubber supports.

In order to achieve the object as described above, the present invention is characterized in that it includes a connecting pipe formed in a hollow shape, and both ends are expanded at a center portion to form a duct accommodating groove for inserting a catheter at both ends. a fixing groove is formed at each end of the conduit receiving groove, and a first inclined surface that is inclined downward toward the outer side is formed at an end of the fixing groove, at the end of the first inclined surface Forming a conduit introduction opening to prevent the conduit from sagging; an O-ring formed of an elastic material and inserted into a fixing groove of the connecting tube to maintain watertightness and provide elasticity; a support member, the support a member formed of an elastic material to provide elasticity, inserted at a rear end of the O-ring; and a jaw member formed by a plurality of jaws connected to each other by an elastic member to form a circular shape, inserted into the The inside of the first inclined surface of the connecting pipe, wherein the jaw is formed with serrations on the inner peripheral surface, A second inclined surface having the same inclination as the first inclined surface of the connecting pipe is formed on the outer peripheral surface.

Here, the conduit introduction opening of the connecting pipe is formed to extend outwardly at the end of the first inclined surface to prevent the conduit from sagging.

Further, the diameter of the catheter introduction port of the connecting tube is formed to be larger than the diameter of the catheter, attached to the catheter or maintained at a distance from the catheter after insertion into the catheter to enable the catheter to be handled.

Further, the connecting pipe is welded after the pipe expansion or surface-treated by the medicine.

Further, the support member is formed in a plate-like annular shape to provide elasticity to the jaw member.

Further, the jaw members are coupled to the elastic members by insertion or bonding.

Further, the elastic member is made of rubber or synthetic resin.

Further, the diameter of the jaw member is formed to be smaller than the diameter of the catheter, and the length of the jaw member is expanded when the catheter is introduced.

Further, the O-ring, the elastic member, and the jaw member are changed in shape and sequentially inserted through the catheter introduction port of the connecting tube.

According to the trigger insertion type catheter connection device of the easy-to-part assembly of the present invention configured as described above, in order to pipe the connection tube formed by the expansion tube, after the connection is welded, the connection tube is subjected to drug treatment, thereby The surface of the connecting pipe is smooth and the metal component is reduced, and the jaws, the O-ring and the rubber support integrally formed of the elastic material are deformed and inserted into the inside of the connecting pipe, whereby the appearance of the product can be made very beautiful and can be Easy to assemble jaws, O-rings and rubber supports.

1‧‧‧ catheter

2‧‧‧ catheter

11‧‧‧catheter storage tank

13‧‧‧fixed slot

15‧‧‧First inclined surface

17‧‧‧ catheter introduction

20‧‧‧O-ring

30‧‧‧Support members

40‧‧‧ jaw members

41‧‧‧ jaw

43‧‧‧Flexible components

110‧‧‧Tube connection device

111‧‧‧Slots

112‧‧‧ inclined section

113‧‧‧ entrance

120‧‧‧ jaw holder

121‧‧‧Jaw mounting hole

130‧‧ ‧ jaw

140‧‧‧Flexible components

150‧‧‧washer

160‧‧‧elastic support ring

170‧‧‧Seal

30‧‧‧Support members

20‧‧‧O-ring

41a‧‧‧Sawtooth

41b‧‧‧Second inclined surface

P‧‧‧ catheter

1 is a schematic structural view of a connecting device of a catheter in a prior art; 2 and 3 are schematic views showing the structure of a catheter connector in the prior art; and FIG. 4 is a perspective view showing the structure of the trigger plug-in catheter connection device of the easy component assembly of the present invention; FIG. 5 is a view shown in FIG. FIG. 6 is a cross-sectional view of the trigger-inserted catheter connection device of the easy-to-part assembly of the present invention shown in FIG. 4; FIG. 7 is for a schematic view of the trigger-inserted catheter connection device of the present invention; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 8 to FIG. 10 are cross-sectional views showing an assembly process of a trigger insertion type conduit connection device of an easy component assembly of the present invention; FIG. 8 to FIG. .

Hereinafter, the structure of the trigger-inserted catheter connecting device of the easy component assembly of the present invention will be described in detail with reference to the accompanying drawings.

In the following description of the present invention, the detailed description of the present invention will be omitted if it is judged that the unnecessary description of the related conventional functions or configurations will obscure the gist of the present invention. Further, the term to be described later is a term defined in consideration of the function in the present invention, and may be different depending on the user, the user, or the convention. Therefore, its definition should be based on the entire content of this specification.

4 is a perspective view showing a configuration of a trigger insertion type catheter connection device of an easy component assembly of the present invention, FIG. 5 is an exploded perspective view of FIG. 4, and FIG. 6 is a cross-sectional view of FIG.

Referring to Figures 4 and 6, the easy-to-part assembled trigger plug-in catheter connection device A of the present invention includes a connecting tube 10, an O-ring 20, a support member 30, and a jaw member 40.

First, the connecting pipe 10 is made of a metal material and formed into a hollow shape, and both ends are expanded at the center portion to form a duct accommodating groove 11 so that the pipe P is inserted at both ends, at the end of each of the duct accommodating grooves 11. Expanding the tube to form a fixing groove 13, A first inclined surface 15 which is inclined downward toward the outside is formed at the end of the fixing groove 13, and a catheter introduction port 17 is formed at the end of the first inclined surface 15 to prevent the catheter P from sagging. Here, the connecting tube 10 is welded or subjected to surface treatment by a drug after the tube is expanded. Further, it is preferable that the duct introduction port 17 of the connecting pipe 10 is formed to extend outward at the end of the first inclined surface 15 so as to prevent the drooping of the duct P, and is formed larger than the diameter of the duct P, and is pressed after the insertion of the duct P The catheter P or a loading and unloading tool (not shown) in the form of another circular plate is inserted to maintain the space with the catheter P so that the jaw member 40 to be described later can be pushed to carry out the loading and unloading of the catheter P.

Further, the O-ring 20 is formed of an elastic material such as rubber or synthetic resin and inserted into the fixing groove 13 of the connecting pipe 10 to maintain watertightness and provide elasticity. Here, the O-ring 20 is deformed to be inserted into the fixing groove 13 of the connecting pipe 10 through the duct introduction port 17 of the connecting pipe 10.

Further, the support member 30 is formed into a plate-like annular shape by an elastic material such as rubber or synthetic resin, and is inserted at the rear end of the O-ring 20. Here, the support member 30 is deformed to be inserted into the fixing groove 13 of the connecting pipe 10 through the duct introduction port 17 of the connecting pipe 10.

Further, the jaw member 40 is formed in a circular shape by a plurality of jaws 41 connected to each other by an elastic member 43 formed of, for example, rubber or a synthetic resin material, and inserted into the inside of the first inclined surface 15 of the connecting pipe 10, wherein The jaw 41 is formed with serrations 41a on the inner peripheral surface of the normal form, and a second inclined surface 41b having the same inclination as the first inclined surface 15 of the joint pipe 10 is formed on the outer peripheral surface. The jaw member 40 is coupled to the elastic member 43 by insertion or adhesion. Here, it is preferable that the diameter of the jaw member 40 is formed smaller than the diameter of the catheter P and the length of the jaw member 40 is expanded when the catheter P is introduced.

The operation of the trigger plug-in catheter connection device of the easy component assembly of the present invention will be described in detail below with reference to the accompanying drawings.

Figure 7 is a cross-sectional view showing a component assembling process of the trigger plug-in conduit connecting device of the easy component assembly of the present invention, and Figures 8 to 10 are diagrams for explaining the trigger plug-in conduit connecting device of the easy component assembly of the present invention. Section of the assembly process Figure.

First, after the connection tube 10 is expanded to form the catheter accommodation groove 11, the fixation groove 13, the first inclined surface 15, and the catheter introduction port 17, the surface is treated with a drug. At this time, the connecting pipe 10 may be welded to another connecting material (not shown) as needed, and when welding is performed, the surface is treated with a chemical after welding.

Then, the jaw member 40 is produced by another process.

In a state where the production of the connecting tube 10 and the jaw member 40 is completed, as shown in FIG. 7, the O-ring 20 is deformed and inserted into the catheter introduction port 17 of the connecting tube 10, so that the O-ring 20 is located in the connecting tube 10. Fixed slot 13.

Then, the support member 30 is deformed to be inserted into the duct introduction port 17 of the connection pipe 10, so that the support member 30 is located at the rear end of the O-ring 20 in the fixing groove 13 of the connection pipe 10.

Finally, the jaw member 40 is deformed to be inserted into the catheter introduction port 17 of the connecting tube 10, so that the jaw member 40 is located at the first inclined surface 15 of the connecting tube 10.

When the insertion of the O-ring 20, the support member 30, and the jaw member 40 is completed, as shown in FIG. 8, the catheter P is inserted into the catheter introduction port 17 of the connection tube 10.

Thus, the duct P enters while pushing the jaw member 40, and when the jaw member 40 cannot move further due to the support member 30 and the O-ring 20 during being pushed, as shown in Fig. 9, the diameter is expanded by the elastic member 43. And through the conduit P.

Further, the duct P passes through the support member 30 and the O-ring 20 in order and is caught at the end of the duct housing groove 11 of the connecting tube 10 to be fixed.

When a tensile force is generated in the catheter P due to water pressure and external impact (earthquake, etc.) or uneven sedimentation or the like in such a state, as shown in FIG. 10, the catheter P moves outward together with the jaw member 40.

Thus, the jaw member 40 and the catheter P first move along the first inclined surface 15 of the connecting tube 10, since the inner diameter of the inclined jaw member 40 is gradually narrowed, so that the serration 41a of the jaw 41 is pressed into the catheter P to block The further movement is broken, thereby overcoming the stretching force.

On the other hand, when a pipe P is inserted, a circular plate-shaped loader is placed. When the catheter introduction port 17 is pressed into the connecting tube 10, the jaw member 40 is pushed inward, so that the catheter P can be pulled out.

The present invention can be variously modified and can take various forms. Only the specific embodiments of the invention are described in the detailed description of the invention. However, the present invention is to be understood as not limited to the specific embodiments disclosed in the Detailed Description, and all modifications and equivalents within the spirit and scope of the invention as defined by the appended claims. And alternatives.

11‧‧‧catheter storage tank

13‧‧‧fixed slot

15‧‧‧First inclined surface

17‧‧‧ catheter introduction

20‧‧‧O-ring

30‧‧‧Support members

40‧‧‧ jaw members

41‧‧‧ jaw

43‧‧‧Flexible components

P‧‧‧ catheter

Claims (9)

A trigger insertion type catheter connection device which is easy to assemble a component, characterized in that the catheter connection device comprises: a connection tube formed in a hollow shape, and both ends are expanded at a central portion to form a catheter accommodation groove, In order to insert a catheter at both ends, a tube is formed at each end of the tube receiving groove to form a fixing groove, and a first inclined surface that is inclined downward toward the outer side is formed at an end of the fixing groove, The end of the first inclined surface is formed with a conduit introduction opening to prevent the conduit from sagging; an O-ring formed of an elastic material and inserted into the fixing groove of the connecting tube to maintain watertightness and provide elasticity a support member formed of an elastic material to provide elasticity, inserted at a rear end of the O-ring; and a jaw member having serrations formed on the inner circumferential surface and passing the elastic member by the plurality of jaws Interconnected to form a circular shape, inserted into the first inclined surface of the connecting tube, wherein the jaw is formed on the outer peripheral surface with a first inclined surface having the connecting tube A second inclined surface with inclination. A trigger insertion catheter connection device according to claim 1, wherein the catheter introduction port of the connection tube is formed to extend outwardly at an end of the first inclined surface to prevent the catheter from sagging. The trigger insertion catheter connection device of the easy component assembly according to claim 1, wherein a diameter of the catheter introduction port of the connection tube is formed to be larger than a diameter of the catheter, and is attached to the catheter after the catheter is inserted The catheter either maintains a spacing from the catheter to enable the catheter to be handled. The trigger plug-in catheter connection device of the easy-to-part assembly according to claim 1, wherein the connecting tube is welded after the tube expansion or surface-treated by the medicine. A trigger insertion catheter connection device of the easy component assembly according to claim 1, wherein the support member is formed in a plate-like annular shape to provide elasticity to the jaw member. A trigger insertion catheter connection device of the easy component assembly according to claim 1, wherein the jaw member is coupled to the elastic member by insertion or adhesion. A trigger insertion catheter connection device of the easy component assembly according to claim 1, wherein the elastic member is made of rubber or synthetic resin. A trigger insertion catheter connection device according to claim 1, wherein the jaw member has a diameter smaller than a diameter of the catheter, and the length of the jaw member is expanded when the catheter is introduced . The trigger insertion catheter connection device of the easy component assembly according to claim 1, wherein the O-ring, the elastic member, and the jaw member are changed in shape and sequentially inserted through the catheter introduction port of the connection tube.