CN210739691U

CN210739691U - Clamping brass inner-tooth elbow

Info

Publication number: CN210739691U
Application number: CN201921457189.1U
Authority: CN
Inventors: 蔡云斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-06-12
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a press brass inner tooth elbow in the technical field of pipeline construction, which comprises an inner tooth bent pipe, an outer tooth straight pipe, an O-shaped sealing ring and a butt joint pipe fitting, wherein one end of the inner tooth bent pipe is a first press end, the other end is an inner tooth thread end, one end of the outer tooth straight pipe is an outer tooth thread end, the other end is a second press end, the outer tooth thread end of the outer tooth straight pipe is in bolt joint with the inner tooth thread end of the inner tooth bent pipe, the first press end of the inner tooth bent pipe and the second press end of the outer tooth straight pipe are both connected with the butt joint pipe fitting through a press process, the O-shaped sealing ring is arranged between the first press end and the butt joint pipe fitting, and the O-shaped sealing ring is arranged between the second press end and the butt joint pipe fitting. The use is more efficient and convenient.

Description

Clamping brass inner-tooth elbow

Technical Field

The utility model relates to a pipeline building technical field specifically is a calorie presses interior tooth elbow of brass.

Background

The water pipe is a water supply pipeline, modern decoration water pipes are constructed in a wall-buried mode, the water pipes are classified into three types, and the first type is a metal pipe, such as a hot-dip cast iron pipe with inner enamel plastics, a copper pipe, a stainless steel pipe and the like. The second type is plastic-clad metal pipes, such as plastic-clad steel pipes, aluminum-plastic composite pipes and the like. The third type is plastic tubes such as PB, PP-R, etc. When the water pipe pipeline is installed and constructed, the corner of the pipeline needs to be connected by adopting a right-angle joint.

At present, most of water pipeline turning elbows for special building repair or traditional elbows are connected with other pipe fittings in a welding mode. The welding process needs the installer to hold the welding license to operate, which greatly limits the application range of the installer. In the traditional welding mode, an ignition source such as an oxygen tank and other auxiliary tools are needed, and the use is troublesome. The elbow can be connected with other water pipes without welding, and the water pipe fitting is provided with the brass internal-tooth elbow in clamping and pressing on the premise of meeting the basic performance requirements of the water pipes, so that fireless connection between the water pipes is realized in a mode of clamping and pressing one end and sealing threads at one end.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping pressure brass inner tooth elbow to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a joint pipe spare in calorie pressure brass, includes interior tooth return bend, outer tooth straight tube, O type sealing washer and butt joint pipe fitting, the one end of interior tooth return bend is first calorie of pressure end, the other end is interior tooth thread end, the one end of outer tooth straight tube is outer tooth thread end, the other end is second calorie of pressure end, the outer tooth thread end of outer tooth straight tube with the interior tooth thread end looks spiro union of interior tooth return bend, the first calorie of interior tooth return bend press the end with the second card of outer tooth straight tube is pressed the end and is all connected with through calorie pressure technology butt joint pipe fitting, first calorie of pressure end with be provided with between the butt joint pipe fitting O type sealing washer, the second card press the end with be provided with between the butt joint pipe fitting O type sealing washer.

Preferably, the middle part that the end was pressed to the first card of interior tooth return bend is provided with first evagination groove, O type sealing washer set up in the inner chamber of first evagination groove, tooth thread end port is provided with the thickening end edge in the interior tooth return bend, the inner chamber middle part that the end was pressed to first card is provided with first spacing step to port department, butt joint pipe fitting tip inserts behind the first card pressure end with first spacing step looks butt.

Preferably, the outer wall middle part of outer tooth straight tube has set firmly outer hexagonal bulge loop, the middle part that the second card of outer tooth straight tube pressed the end is provided with the second evagination groove, O type sealing washer set up in the inner chamber of second evagination groove, the inner chamber middle part that the second card pressed the end is provided with the spacing step of second to port department, butt joint pipe fitting tip inserts behind the second card pressed the end with the spacing step looks butt of second.

Preferably, the inner tooth bent pipe and the outer tooth straight pipe are of an integrated structure made of brass materials.

Preferably, the first limiting step is located on the inner side of the first convex groove.

Preferably, the second limit step is located on the inner side of the second outer convex groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a combine to constitute the connection right angle joint with two kinds of structures spiro union of interior tooth return bend and outer tooth straight tube, this combination joint has first card respectively and presses end and second card to press the end, can be connected with two butt joint pipe fittings that outside vertical distribution, first card is pressed end and second card and is pressed the end and adopt the technology that the card pressed to the pipe fitting to be connected, realize no fire under the effect of special card pressing means promptly and connect, the operation is simple and easy, need not to carry a large amount of instruments, it is more high-efficient convenient to use.

The utility model provides an interior tooth return bend can with outer tooth straight tube split back exclusive use, interior tooth return bend has first card and presses two links of end and interior tooth threaded end, wherein first card press the end can press with the outside to be connected to the pipe fitting card, and interior tooth threaded end can with if the outer equipment looks spiro union that has external screwed joint of air conditioner, widened device application scope, promoted device installation compatibility.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention in a separated state;

FIG. 3 is a schematic view of the structure of the inner tooth elbow of the present invention;

FIG. 4 is a schematic view of the outer tooth straight tube structure of the present invention;

fig. 5 is a schematic view of the card pressing operation state of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-inner tooth bent pipe, 101-first clamping end, 102-inner tooth threaded end, 103-first outer convex groove, 104-thickened end edge, 105-first limiting step, 2-outer tooth straight pipe, 201-outer tooth threaded end, 202-second clamping end, 203-outer hexagonal convex ring, 204-second outer convex groove, 205-second limiting step, 3-O type sealing ring, 4-butt joint pipe fitting, A-clamping tool clamp and B-occlusion part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a joint pressure brass internal tooth elbow, including interior tooth return bend 1, outer tooth straight tube 2, O type sealing washer 3 and butt joint pipe fitting 4, the one end of interior tooth return bend 1 is first card pressure end 101, the other end is interior tooth thread end 102, the one end of outer tooth straight tube 2 is outer tooth thread end 201, the other end is second card pressure end 202, outer tooth thread end 201 of outer tooth straight tube 2 and the interior tooth thread end 102 looks spiro union of interior tooth return bend 1, the first card of interior tooth return bend 1 is pressed end 101 and the second card of outer tooth straight tube 2 and is pressed end 202 and all be connected with butt joint pipe fitting 4 through the card pressure technology, be provided with O type sealing washer 3 between first card pressure end 101 and the butt joint pipe fitting 4, second card is pressed end 202 and is provided with O type sealing washer 3 between butt joint pipe fitting 4.

The middle part of a first clamping end 101 of the inner tooth bent pipe 1 is provided with a first outer convex groove 103, the O-shaped sealing ring 3 is arranged in an inner cavity of the first outer convex groove 103, the outer wall of the O-shaped sealing ring 3 is attached to the inner cavity of the first outer convex groove 103, a thickened end edge 104 is arranged at the port of an inner tooth threaded end 102 of the inner tooth bent pipe 1 to play a role in reinforcing the structural strength, a first limiting step 105 is arranged from the middle part of the inner cavity of the first clamping end 101 to the port, and the end part of the butt joint pipe fitting 4 is inserted into the first clamping end 101 and then abutted against the first limiting step 105; an outer hexagonal convex ring 203 is fixedly arranged in the middle of the outer wall of the outer tooth straight pipe 2, a second outer convex groove 204 is arranged in the middle of a second clamping end 202 of the outer tooth straight pipe 2, an O-shaped sealing ring 3 is arranged in an inner cavity of the second outer convex groove 204, the outer wall of the O-shaped sealing ring 3 is attached to the inner cavity of the second outer convex groove 204, a second limiting step 205 is arranged from the middle of the inner cavity of the second clamping end 202 to a port, and the end part of the butt joint pipe fitting 4 is abutted to the second limiting step 205 after being inserted into the second clamping end 202; the inner tooth bent pipe 1 and the outer tooth straight pipe 2 are of an integrated structure made of brass materials, and have the advantages of corrosion resistance and easiness in clamping and pressing; the first limiting step 105 is positioned on the inner side of the first outer convex groove 103, so that the O-shaped sealing ring 3 can be fully attached to the first outer convex groove 103 and the butt joint pipe fitting 4; the second limit step 205 is located inside the second outer convex groove 204, so that the O-ring 3 can be sufficiently attached to the second outer convex groove 204 and the butt joint pipe fitting 4.

One specific application of this embodiment is:

the utility model discloses a combine to constitute the connection right angle joint with two kinds of structure spiro union of interior tooth return bend 1 and outer tooth straight tube 2, this combination joint has first card respectively and presses end 101 and second card to press end 202, can be connected with two butt joint pipe fittings 4 of outside vertical distribution, first card is pressed end 101 and second card to press end 202 and is connected with the technology that adopts the card to press to pipe fitting 4, realize the fireless connection under the effect of special card pressure instrument promptly, the operation is simple and easy, need not to carry a large amount of instruments, it is convenient to use high-efficiently more.

The utility model provides an interior tooth return bend 1 can with outer tooth straight tube 2 split back exclusive uses, interior tooth return bend 1 has first card and presses two links of end 101 and interior tooth threaded end 102, wherein first card presses end 101 can press with 4 cards of outside butt joint pipe fitting to be connected, and interior tooth threaded end 102 can with if the outer equipment looks spiro union that has external screw thread joint of machine etc. of air conditioner, interior tooth return bend 1 can also be direct and tap spiro union collocation use, the device application scope has been widened, the device installation compatibility has been promoted.

When in use, the inner tooth bent pipe 1 and the outer tooth straight pipe 2 are screwed with each other through the inner tooth thread end 102 and the outer tooth thread end 201, the thread tape is wound between the inner tooth thread end 102 and the outer tooth thread end 201 for sealing, then the O-shaped sealing rings 3 are respectively arranged in the inner cavities of the first outer convex groove 103 and the second outer convex groove 204, then the connecting ends of the two external butt joint pipe fittings 4 are cut to be flat and then are respectively inserted into the inner cavities of the first clamping and pressing end 101 and the second clamping and pressing end 202 until the connecting ends are contacted and abutted with the first limiting step 105 and the second limiting step 205, so as to ensure that the connecting lengths are consistent, finally, as shown in figure 5, an external clamping and pressing tool clamp A is adopted to clamp the outer walls of the first clamping and pressing end 101 and the second clamping and pressing end 202 to be engaged with the outer walls of the butt joint pipe fittings 4 to form a plurality of engaging parts B, the engaging parts are distributed on the left side and the right side of, connection reliability and sealing performance are ensured.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping pressure brass internal tooth elbow which characterized in that: comprises an inner tooth bent pipe (1), an outer tooth straight pipe (2), an O-shaped sealing ring (3) and a butt joint pipe fitting (4), one end of the inner tooth bent pipe (1) is a first clamping and pressing end (101), the other end is an inner tooth thread end (102), one end of the outer tooth straight pipe (2) is an outer tooth thread end (201), the other end is a second clamping and pressing end (202), the outer thread end (201) of the outer straight tooth pipe (2) is in threaded connection with the inner thread end (102) of the inner bent tooth pipe (1), the first clamping and pressing end (101) of the inner tooth bent pipe (1) and the second clamping and pressing end (202) of the outer tooth straight pipe (2) are connected with the butt-joint pipe fitting (4) through a clamping and pressing process, the O-shaped sealing ring (3) is arranged between the first clamping and pressing end (101) and the butt joint pipe fitting (4), the O-shaped sealing ring (3) is arranged between the second clamping and pressing end (202) and the butt joint pipe fitting (4).

2. The snap-fit brass female elbow, according to claim 1, wherein: the middle part of end (101) is pressed to the first card of interior tooth return bend (1) is provided with first tongue (103), O type sealing washer (3) set up in the inner chamber of first tongue (103), tooth thread end (102) port is provided with thickening end edge (104) in interior tooth return bend (1), the inner chamber middle part of end (101) is pressed to the first card is provided with first spacing step (105) to port department, butt joint pipe fitting (4) tip inserts behind end (101) is pressed to first card with first spacing step (105) looks butt.

3. The snap-fit brass female elbow, according to claim 1, wherein: outer hexagonal bulge loop (203) has set firmly in the outer wall middle part of outer tooth straight tube (2), the middle part that the second card of outer tooth straight tube (2) pressed end (202) is provided with second evagination groove (204), O type sealing washer (3) set up in the inner chamber of second evagination groove (204), the inner chamber middle part to the port department of second card pressure end (202) is provided with spacing step of second (205), butt joint pipe fitting (4) tip inserts behind second card pressure end (202) with spacing step of second (205) looks butt.

4. The snap-fit brass female elbow, according to claim 1, wherein: the inner tooth bent pipe (1) and the outer tooth straight pipe (2) are of an integrated structure made of brass materials.

5. The snap-fit brass female elbow, according to claim 2, wherein: the first limiting step (105) is positioned on the inner side of the first convex groove (103).

6. The snap-fit brass female elbow, according to claim 3, wherein: the second limit step (205) is positioned at the inner side of the second outer convex groove (204).