阅读说明：本技术 一种防漏连接管件及管件的连接方法 (Leakage-proof connecting pipe fitting and connecting method thereof ) 是由 许簪杜 于 2021-10-08 设计创作，主要内容包括：一种改进的防漏连接管件,包括有相互对接插入一起的主空心管和辅空心管、及将主空心管和辅空心管相紧固一起连接的螺母,在所述主空管与辅空心管之间还依次安装有数个软质密封圈、钢珠紧固套装置；本发明在辅空心管不用开螺纹牙的情况下,通过螺母、锥形紧固套、钢珠、软质密封圈及螺母之间的相互连接作用,利用钢珠与内凹痕的咬合,使得辅助空心管难以从主空心管内拔出来,以及无数个软质密封圈层状受力挤压后达到了防止漏水渗水或漏气的现象发生,可以大大延长气体管道或水管道的使用寿命,节省人工维修成本。(An improved leak-proof connecting pipe fitting comprises a main hollow pipe, an auxiliary hollow pipe and a nut, wherein the main hollow pipe and the auxiliary hollow pipe are mutually butted and inserted together, the nut is used for fastening and connecting the main hollow pipe and the auxiliary hollow pipe together, and a plurality of soft sealing rings and steel ball fastening sleeve devices are sequentially arranged between the main hollow pipe and the auxiliary hollow pipe; under the condition that the auxiliary hollow pipe does not need to be provided with a thread, the auxiliary hollow pipe is difficult to pull out from the main hollow pipe by utilizing the mutual connection effect of the nut, the conical fastening sleeve, the steel ball, the soft sealing ring and the nut and the occlusion of the steel ball and the inner dent, and the phenomenon of water leakage, water seepage or air leakage is prevented after the plurality of soft sealing rings are subjected to stress extrusion, so that the service life of a gas pipeline or a water pipeline can be greatly prolonged, and the manual maintenance cost is saved.)

1. The utility model provides a pipe fitting is connected in leak protection, including mutual butt joint insert main hollow tube together with assist the hollow tube and with main hollow tube and assist the nut that the hollow tube looks fastening is connected together, its characterized in that: and a plurality of soft sealing rings and steel ball fastening sleeve devices are sequentially arranged between the main hollow pipe and the auxiliary hollow pipe.

2. The leak resistant connector tubing of claim 1, wherein: the steel ball fastening sleeve device comprises a conical fastening sleeve and a plurality of steel balls.

3. The leak resistant connector tubing of claim 2, wherein: the steel balls are movably arranged in the edge opening of the conical fastening sleeve.

4. The leak resistant connector tubing of claim 2, wherein: the steel balls are welded in the edge openings of the conical fastening sleeves in sequence.

5. The leak resistant connector tubing of claim 1, wherein: an external thread is arranged on the outer wall of one end of the main hollow pipe to form an external thread head, and the plurality of soft sealing rings are arranged in the external thread head.

6. The leak resistant connector tubing of claim 2, wherein: the conical fastening sleeve is sleeved on the auxiliary hollow pipe, and a gap for placing the steel ball is formed between the large head end of the conical fastening sleeve and the outer wall of the auxiliary hollow pipe.

7. A method for connecting leak-proof connecting pipe fittings is characterized by comprising the steps of sequentially arranging a plurality of soft sealing rings and conical fastening sleeves on auxiliary hollow pipes, then butting and inserting the auxiliary hollow pipes into a main hollow pipe, and ensuring that the large head ends of the conical fastening sleeves are far away from the main hollow pipe to be in an installation state; pushing a plurality of soft sealing rings into the external thread head of the main hollow pipe by using the small end of the conical fastening sleeve, inserting a plurality of steel balls between the large end of the conical fastening sleeve and the pipe wall of the auxiliary hollow pipe, and finally locking the steel balls on the external thread head of the main hollow pipe by using a nut, wherein the conical fastening sleeve in the main hollow pipe is forced to be compressed, and the steel balls distributed in the large end port of the conical fastening sleeve press the pipe wall of the auxiliary hollow pipe immediately, so that the circumference of the pipe wall of the auxiliary hollow pipe is forced to be pressed into an inner dent; the auxiliary hollow pipe is difficult to be pulled out from the main hollow pipe by the occlusion of the steel balls and the inner dents.

Technical Field

The invention belongs to the technical field of pipe fitting connecting devices, and particularly relates to a leakage-proof connecting pipe fitting which is firm in connection between pipe fittings and can effectively prevent water leakage, water seepage or gas leakage.

Background

The infinite length of the tap water pipe or the gas pipeline needs to depend on a plurality of short pipes with finite length to be connected in sequence for use, so the connection between the pipelines is particularly important; because the traditional connection between pipelines depends on the threading of threads on the pipelines, the pipelines are mutually screwed; the water leakage or water seepage phenomenon often occurs in the long-term actual use process, and if the water leakage or water seepage phenomenon is not timely treated, the leaked tap water can easily corrode accessories on the periphery of the water pipe, so that the service life of the water pipe is influenced; similarly, the gas supply conduit is also susceptible to leakage of gas flowing through the trachea when the gas pressure increases.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a leakage-proof connecting pipe fitting which is reasonable in structural design, firm in installation and capable of effectively preventing water seepage, water leakage or air leakage by utilizing multiple layers of sealing ring layers and steel balls.

The invention is realized by the following technical scheme: the utility model provides a pipe fitting is connected in leak protection, including mutual butt joint insert main hollow tube together with assist the hollow tube and with main hollow tube and assist the nut that the hollow tube looks fastening is connected together, its characterized in that: and a plurality of soft sealing rings and steel ball fastening sleeve devices are sequentially arranged between the main hollow pipe and the auxiliary hollow pipe.

The steel ball fastening sleeve device comprises a conical fastening sleeve and a plurality of steel balls.

The steel balls are movably arranged in the edge opening of the conical fastening sleeve.

The steel balls are sequentially welded in the edge openings of the conical fastening sleeves.

The outer wall of one end of the main hollow pipe is provided with an external thread to form an external thread head, and the plurality of soft sealing rings are arranged in the external thread head.

The conical fastening sleeve is sleeved on the auxiliary hollow pipe, and a gap for placing steel balls is formed between the large head end of the conical fastening sleeve and the outer wall of the auxiliary hollow pipe.

The pipe diameter of the auxiliary hollow pipe is smaller than that of the main hollow pipe, so that the auxiliary hollow pipe can be conveniently inserted into the main hollow pipe.

The invention also aims to provide a connecting method of the anti-leakage connecting pipe fitting, which comprises the steps of sequentially installing a plurality of soft sealing rings and the conical fastening sleeve on the auxiliary hollow pipe, then butting and inserting the auxiliary hollow pipe into the main hollow pipe, and ensuring that the large head end of the conical fastening sleeve is far away from the main hollow pipe to be in an installation state; pushing a plurality of soft sealing rings into the external thread head of the main hollow pipe by using the small end of the conical fastening sleeve, inserting a plurality of steel balls between the large end of the conical fastening sleeve and the pipe wall of the auxiliary hollow pipe, and finally locking the steel balls on the external thread head of the main hollow pipe by using a nut, wherein the conical fastening sleeve in the main hollow pipe is forced to be compressed, and the steel balls distributed in the large end port of the conical fastening sleeve press the pipe wall of the auxiliary hollow pipe immediately, so that the circumference of the pipe wall of the auxiliary hollow pipe is forced to be pressed into an inner dent; the auxiliary hollow pipe is difficult to be pulled out from the main hollow pipe by the occlusion of the steel balls and the inner dents.

The invention has the beneficial effects that: compared with the prior art, the auxiliary hollow pipe is difficult to pull out from the main hollow pipe by the mutual connection action of the nut, the conical fastening sleeve, the steel ball, the soft sealing ring and the nut under the condition that the auxiliary hollow pipe does not need to be provided with the thread teeth, and the steel ball is meshed with the internal dent, so that the phenomenon of water leakage and water seepage or air leakage is prevented after the plurality of soft sealing rings are subjected to stress extrusion, the service life of a gas pipeline or a water pipeline can be greatly prolonged, and the manual maintenance cost is saved.

Drawings

The present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is an exploded view of the present invention.

FIG. 2 is a schematic view of the installation of the components on the auxiliary hollow tube of the present invention.

Fig. 3 is an overall schematic view of the present invention after installation.

Figure 4 is a schematic view of a tapered fastener sleeve of the present invention.

FIG. 5 is a schematic view of the inner concave mark formed after the auxiliary hollow tube is pressed by the steel ball.

The following are specific names for each label in the figure: 1. a main hollow pipe; 2. a soft sealing ring; 3. a steel ball fastening sleeve device; 4. assisting a hollow pipe; 5. a nut; 101. an external thread head; 301. steel balls; 302. a conical fastening sleeve; 401. an inner dimple.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a leak-proof connecting pipe comprises a main hollow pipe 1 and an auxiliary hollow pipe 4 which are butt-jointed and inserted together, and a nut 5 for fastening and connecting the main hollow pipe 1 and the auxiliary hollow pipe 4 together, wherein the main hollow pipe and the auxiliary hollow pipe can be water pipes or air channel pipes; in order to prevent the phenomenon of water leakage or air leakage at the joint between the two pipelines, a plurality of soft sealing rings 2 and steel ball fastening sleeve devices 3 are sequentially arranged between the main hollow pipe 1 and the auxiliary hollow pipe 4; the steel ball fastening sleeve device 3 can further tightly press the soft sealing rings 2 layer by layer to achieve the effect of tight connection; and the steel balls in the steel ball fastening sleeve device 3 press the pipe wall of the auxiliary hollow pipe 4 into the inner dents 401 under the fastening action of the nut 5.

As shown in fig. 1, an external thread is arranged on the outer wall of one end of the main hollow pipe 1 to form an external thread head 101, and the plurality of soft sealing rings 2 are installed in the external thread head and further pressed tightly through a conical fastening sleeve 302; the small opening end of the conical fastening sleeve 3 is close to the soft sealing ring, and a plurality of sealing rings are pushed into the pipe by utilizing the end surface of the small opening end.

As shown in fig. 4, when the steel balls in the steel ball fastening sleeve device 3 are movably placed, a plurality of soft sealing rings and the conical fastening sleeve are sequentially installed on the auxiliary hollow tube 4, and then the auxiliary hollow tube is inserted into the main hollow tube 1 in a butt joint manner, and the large head end of the conical fastening sleeve 302 is ensured to be far away from the main hollow tube 1 to be installed; pushing a plurality of soft sealing rings 2 into the external thread head of the main hollow tube 1 by using the small head end of the conical fastening sleeve 302, inserting a plurality of steel balls 301 between the large head end of the conical fastening sleeve 302 and the tube wall of the auxiliary hollow tube 4, and finally locking the steel balls on the external thread head of the main hollow tube by using nuts, wherein the conical fastening sleeve in the main hollow tube is forced to be pressed tightly, and then the steel balls distributed in the large head end of the conical fastening sleeve 302 press the tube wall of the auxiliary hollow tube 4, so that the circumference of the tube wall of the auxiliary hollow tube 4 is forced to be pressed into an internal dent 401; the auxiliary hollow pipe 4 is difficult to be pulled out from the main hollow pipe 1 by the engagement of the steel balls and the inner concave marks 401.

Of course, when the steel ball 301 in the steel ball fastening sleeve device 3 is directly welded on the inner wall of the large end port of the tapered fastening sleeve 302, the tapered fastening sleeve 302 and the steel ball 301 form a whole and are directly installed on the auxiliary hollow tube, and the steel ball can press the tube wall of the auxiliary hollow tube 4, so that the circumference of the tube wall of the auxiliary hollow tube 4 is forced to press the inner dent 401

The pipe diameter of the auxiliary hollow pipe 4 is smaller than that of the main hollow pipe 1, so that the auxiliary hollow pipe 4 can be conveniently inserted into the main hollow pipe 1.

The auxiliary hollow pipe can be infinitely connected with a plurality of water pipes or air pipes without opening screw threads, so that the connection is tight and the installation is convenient.

The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.