CN210739682U - Clamping brass inner tooth tee joint - Google Patents

Clamping brass inner tooth tee joint Download PDF

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Publication number
CN210739682U
CN210739682U CN201921212484.0U CN201921212484U CN210739682U CN 210739682 U CN210739682 U CN 210739682U CN 201921212484 U CN201921212484 U CN 201921212484U CN 210739682 U CN210739682 U CN 210739682U
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Prior art keywords
clamping
pressing
pipe
tooth
thread
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CN201921212484.0U
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Chinese (zh)
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蔡云斌
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蔡云斌
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Abstract

The utility model relates to the technical field of building pipelines, and discloses a clamping-pressing brass inner-tooth tee joint, which comprises a tee pipe fitting, a clamping-pressing outer-tooth pipe and a butt joint copper pipe, wherein the tee pipe fitting comprises a clamping-pressing two-way pipe and an inner-tooth straight pipe, two ends of the clamping-pressing two-way pipe are respectively provided with a first clamping-pressing end, and the inner-tooth straight pipe is provided with inner-tooth threads; one end of the clamping and pressing external tooth pipe is provided with an external tooth thread, a layer of raw rubber tape is wound on the external tooth thread, and the other end of the clamping and pressing external tooth pipe is provided with a second clamping and pressing end; the butt joint copper tube is connected to the first clamping and pressing end and the second clamping and pressing end through a clamping and pressing process; the utility model discloses an interior tooth straight tube, the card that are equipped with press outer tooth pipe, first card to press end, second card to press end and raw sticky tape, can realize the fireless connection of butt joint copper pipe and tee bend pipe fitting to have that the suitability is good, connect sealed reliable, guarantee safe characteristics.

Description

Clamping brass inner tooth tee joint
Technical Field
The utility model relates to a building pipeline technical field, concretely relates to tooth tee bend in clamping pressure brass.
Background
The pipelines may be classified into tap water pipelines, household waste water pipelines, sewage discharge pipelines, natural gas pipelines, heating pipelines, etc. according to their uses; such pipes that serve the needs of people are collectively referred to as building pipes.
At present, most tee pipe structures used for crossing building pipelines are connected with the building pipelines to be butted by the tee pipe through a traditional welding process. The welding process can be operated only by holding a welding license by an operator, so that the application range of the operator is greatly limited; when the welding process is adopted, auxiliary tools such as an oxygen tank, a flame thrower and the like are required to be matched, so that the use is not only troublesome, but also is somewhat dangerous; therefore, how to realize the fire-free connection of the tee pipe fitting and the building pipeline and the connection needs to be sealed and reliable is a problem which must be faced at present; meanwhile, the middle pipe of the conventional three-way pipe fitting can only realize single clamping and pressing connection or threaded connection, and has certain limitation in use.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a clamping pressure brass internal tooth tee bend.
In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a clamping pressure brass internal tooth tee joint which characterized in that: the three-way pipe comprises a clamping and pressing two-way pipe and an inner tooth straight pipe, wherein first clamping and pressing ends are arranged at two ends of the clamping and pressing two-way pipe, the inner tooth straight pipe is vertically and upwards arranged on the shaft wall in the middle of the clamping and pressing two-way pipe and is communicated with the clamping and pressing two-way pipe, and inner tooth threads are downwards arranged on the inner shaft wall at the top of the inner tooth straight pipe; an outer thread is formed on the outer shaft wall at one end of the clamping and pressing outer tooth pipe, a layer of raw rubber tape is wound on the outer thread, the clamping and pressing outer tooth pipe is screwed into the inner tooth straight pipe through the threaded connection of the outer thread and the inner thread, the raw rubber tape is clamped between the outer thread and the inner thread when the outer thread and the inner thread are screwed, and a second clamping and pressing end is arranged at the other end of the clamping and pressing outer tooth pipe; the butt joint copper tube is connected to the first clamping and pressing end and the second clamping and pressing end through a clamping and pressing process, and the butt joint copper tube, the clamping and pressing two-way tube and the clamping and pressing outer tooth tube are coaxially arranged.
Preferably, the first clamping pressing end is provided with an arc-shaped first U-shaped clamping groove protruding outwards, and a first O-shaped sealing ring is clamped in the first U-shaped clamping groove.
Preferably, the second clamping pressing end is provided with an arc-shaped second U-shaped clamping groove protruding outwards, and a second O-shaped sealing ring is clamped in the second U-shaped clamping groove.
Preferably, the first O-shaped sealing ring and the second O-shaped sealing ring are both made of hydrogenated nitrile rubber materials.
Preferably, an inwardly protruding first limiting step is arranged at the position, close to the middle of the clamping pressure two-way pipe, of the inner shaft wall of the first clamping pressure end, and an inwardly protruding second limiting step is arranged at the position, close to the middle of the clamping pressure outer tooth pipe, of the inner shaft wall of the second clamping pressure end.
Preferably, the clamping and pressing two-way pipe and the inner tooth straight pipe are made of brass materials and form an integrated structure in a forging mode.
Compare prior art, the utility model has the advantages that:
1. the first clamping and pressing end and the second clamping and pressing end arranged in the utility model can be connected with the butt joint copper tube by adopting a clamping and pressing process, namely, a special clamping and pressing tool, namely, a clamping and pressing clamp is adopted, so that the fireless connection between the butt joint copper tube and the three-way pipeline can be realized, the operation is simple, and the safety is ensured; and the first clamping end and the second clamping end can deform when being clamped and pressed, polygonal cross sections such as hexagonal cross sections can be formed, and the butt joint copper tube can be well prevented from rotating relative to the first clamping end and the second clamping end and being pulled out manually after the clamping and pressing are completed.
2. The utility model discloses a be equipped with the card and press outer tooth pipe and interior tooth straight tube, including tooth straight tube connected object be the butt joint copper pipe, when needing the pipe fitting that the card pressed the connection promptly, press outer tooth pipe threaded connection with the card on interior tooth straight tube, press the end through the second card and press the direct card of pipe fitting of being connected with needs card to press and press, when tooth straight tube connected object has the kitchen equipment of external screw thread for tap etc. including, with interior tooth straight tube lug connection on the kitchen equipment that has the external screw thread can, select different connected modes according to actual need, make this card press in the brass tooth tee bend have good suitability.
3. The utility model discloses a winding has the one deck to give birth to the sticky tape on outer tooth screw thread, and give birth to the sticky tape and be in the centre by the block when outer tooth screw thread and interior tooth screw thread spiro union, give birth to the sticky tape and can compensate to the clearance that still leaves after outer tooth screw thread and interior tooth screw thread spiro union are accomplished, leakproofness and fastness when reinforcing outer tooth screw thread and interior tooth screw thread spiro union.
4. The utility model discloses a be equipped with first O type sealing washer and second O type sealing washer, first O type sealing washer and second O type sealing washer press the end with first card at butt joint copper tubing and press the end to press through the card when being connected through the card pressure technology with first card, press the effect to produce deformation because of the card of instrument, realize that the butt joint copper tubing has better leakproofness when pressing the end card to press with first card and second card and press the end to press to be connected, avoid taking place because of there being the circumstances such as the connection unstability that the space leads to the difference of inside and outside atmospheric pressure to cause, strengthen structural strength.
5. The utility model discloses a be equipped with first spacing ladder and the spacing ladder of second, external operating personnel will dock the copper pipe and insert first card and press the end and the second card and press in the end and last when inwards pushing away, the terminal surface of butt joint copper pipe can touch with first spacing ladder and the spacing ladder of second, thereby can't continue inwards to insert, when the terminal surface of butt joint copper pipe touches with first spacing ladder and the spacing ladder of second, can carry out the card and press the technology, make things convenient for operating personnel to insert the butt joint copper pipe fast, it is suitable to need not to calculate how long butt joint copper pipe should insert.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a tee fitting;
FIG. 3 is a schematic view of the structure of the clamping and pressing external tooth tube;
FIG. 4 is a schematic structural view of the clamping state of the present invention;
fig. 5 is an enlarged view at a.
Reference numerals: 1. clamping and pressing a two-way pipe; 11. a first U-shaped slot; 12. a first O-ring seal; 13. a first clamping and pressing end; 14. a first limit step; 2. a straight inner tooth tube; 21. internal thread; 3. butting a red copper pipe; 4. clamping and pressing the outer tooth tube; 41. a second U-shaped slot; 42. a second O-ring seal; 43. external thread; 44. a second limiting step; 45. a second clamping end; 5. a green tape; m, clamping and pressing pliers; n, clamping and pressing the occlusion part.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.
Example (b): the embodiment described with reference to fig. 1 and 2 provides a clamping-pressing brass inner tooth tee joint, which comprises a tee pipe fitting, a clamping-pressing outer tooth pipe 4 and a butt joint copper pipe 3, wherein the tee pipe fitting comprises a clamping-pressing two-way pipe 1 and an inner tooth straight pipe 2, the clamping-pressing two-way pipe 1 and the inner tooth straight pipe 2 are made of brass materials and form an integrated structure through a red punching process, and the clamping-pressing two-way pipe 1 and the inner tooth straight pipe 2 have the characteristics of easiness in machining, wear resistance and corrosion resistance due to the characteristics of the brass materials; the two ends of the clamping and pressing two-way pipe 1 are respectively provided with a first clamping and pressing end 13, the first clamping and pressing ends 13 are connected with the butted copper pipe 3 through a clamping and pressing process, the first clamping and pressing ends 13 are provided with arc-shaped first U-shaped clamping grooves 11 which protrude outwards, and first O-shaped sealing rings 12 are clamped in the first U-shaped clamping grooves 11; in this embodiment, the first O-ring 12 is made of hydrogenated nitrile rubber, and has good properties of high and low temperature resistance, weather resistance, refrigerant resistance, corrosion resistance, aging resistance, and the like, so that it is more suitable for being applied to water pipelines, refrigeration equipment, and other related fields; a first limiting step 14 which protrudes inwards is arranged at the position, close to the middle part of the clamping and pressing two-way pipe 1, of the inner shaft wall of the first clamping and pressing end 13; the inner tooth straight pipe 2 is vertically upwards arranged on the shaft wall in the middle of the clamping pressure two-way pipe 1, the inner tooth straight pipe 2 is communicated with the clamping pressure two-way pipe 1, and the inner shaft wall at the top of the inner tooth straight pipe 2 is downwards provided with inner tooth threads 21.
Referring to fig. 1, 3 and 5, an outer thread 43 is formed on the outer shaft wall at one end of the clamping and pressing outer thread pipe 4, a layer of raw rubber tape 5 is wound on the outer thread 43, the clamping and pressing outer thread pipe 4 is screwed into the inner thread straight pipe 2 through the screw connection of the outer thread 43 and the inner thread 21, and the raw rubber tape 5 is clamped between the outer thread 43 and the inner thread 21 when the outer thread 43 and the inner thread 21 are screwed; the raw rubber belt 5 can compensate for a gap left after the outer thread 43 and the inner thread 21 are screwed, the sealing performance and the firmness when the outer thread 43 and the inner thread 21 are screwed are enhanced, the raw rubber belt 5 has excellent sealing performance and corrosion resistance, and the sealing performance and the firmness after the outer thread 43 and the inner thread 21 are screwed can be kept for a long time; a second clamping and pressing end 45 is arranged at the other end of the clamping and pressing outer tooth tube 4, the second clamping and pressing end 45 is connected with the butt joint copper tube 3 through a clamping and pressing process, an arc-shaped and outwards-protruding second U-shaped clamping groove 41 is formed in the second clamping and pressing end 45, and a second O-shaped sealing ring 42 is clamped in the second U-shaped clamping groove 41; in this embodiment, the second O-ring 42 is made of hydrogenated nitrile rubber; the inner shaft wall of the second clamping end 45 is provided with a second limiting step 44 which protrudes inwards towards the position close to the middle part of the clamping outer tooth tube 4; the raw rubber belt 5 is wound on part of the shaft wall of the clamping and pressing outer tooth tube 4 and the inner tooth straight tube 2, and the raw rubber belt 5 fixedly connects the part of the shaft wall of the clamping and pressing outer tooth tube 4 and the part of the shaft wall of the inner tooth straight tube 2 together, so that the clamping and pressing outer tooth tube 4 cannot rotate relative to the inner tooth straight tube 2, and unstable connection caused by looseness of the threaded connection part of the clamping and pressing outer tooth tube 4 and the inner tooth straight tube 2 due to vibration and the like can be better avoided; the butt joint copper tube 3 is connected to the first clamping and pressing end 13 and the second clamping and pressing end 45 through a clamping and pressing process, and the butt joint copper tube 3, the clamping and pressing two-way tube 1 and the clamping and pressing outer tooth tube 4 are coaxially arranged; when the objects to be connected of the inner tooth straight pipe 2 are kitchen equipment with external threads such as a water tap, at the moment, the clamping and pressing outer tooth pipe 4 is not in threaded connection with the inner tooth straight pipe 2, and the inner tooth straight pipe 2 can be directly connected to the kitchen equipment with the external threads.
Referring to fig. 4, when the clamping and pressing process is performed, the butt joint copper tube 3 is inserted into the first clamping and pressing end 13 and the second clamping and pressing end 45 until the butt joint copper tube 3 is contacted with the first limiting step 14 and the second limiting step 44 and cannot be inserted, and then the outer shaft walls of the first clamping and pressing end 13 and the second clamping and pressing end 45 are clamped and pressed inwards by a clamping and pressing tool such as a clamping and pressing clamp m to deform the outer shaft walls so as to form polygonal cross sections such as a hexagon and the like, wherein the cross sections can prevent the butt joint copper tube 3 from rotating relative to the first clamping and pressing end 13 and the second clamping and pressing end 45; the inner shaft walls of the first clamping and pressing end 13 and the second clamping and pressing end 45 and the outer shaft wall of the butt joint copper pipe 3 inserted into the inner shaft walls generate a plurality of clamping and pressing occlusion parts n due to clamping and pressing, the clamping and pressing occlusion parts n are distributed at two sides of the first U-shaped clamping groove 11 and the second U-shaped clamping groove 41, the clamping and pressing occlusion parts n enable the butt joint copper pipe 3 to form a horn mouth-shaped structure at the clamping and pressing part, and the structure can prevent the butt joint copper pipe 3 from being pulled out or fluid in the pipe from being extruded; the first O-shaped sealing ring 12 and the second O-shaped sealing ring 42 can deform under the action of the clamping and pressing occlusion part n, so that the butt joint copper tube 3 has better sealing performance when being clamped and pressed and connected with the first clamping and pressing end 13 and the second clamping and pressing end 45, the situations of unstable connection and the like caused by different internal and external air pressures due to the existence of gaps are avoided, and the structural strength is enhanced; the number of the clamping and pressing joints n can be selected according to actual conditions.
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.
The above is only the typical example of the utility model, in addition, the utility model can also have other multiple concrete implementation manners, and the technical scheme that all adopt equivalent replacement or equivalent transform to form all falls within the scope of the utility model.

Claims (6)

1. The utility model provides a clamping pressure brass internal tooth tee joint which characterized in that: the three-way pipe comprises a clamping pressure two-way pipe (1) and an inner tooth straight pipe (2), wherein first clamping pressure ends (13) are arranged at two ends of the clamping pressure two-way pipe (1), the inner tooth straight pipe (2) is vertically and upwards arranged on the shaft wall in the middle of the clamping pressure two-way pipe (1), the inner tooth straight pipe (2) is communicated with the clamping pressure two-way pipe (1), and inner tooth threads (21) are downwards arranged on the inner shaft wall at the top of the inner tooth straight pipe (2); an outer thread (43) is arranged on the outer shaft wall at one end of the clamping and pressing outer tooth pipe (4), a layer of raw rubber tape (5) is wound on the outer thread (43), the clamping and pressing outer tooth pipe (4) is screwed into the inner tooth straight pipe (2) through the screw connection of the outer thread (43) and the inner thread (21), the raw rubber tape (5) is clamped between the outer thread (43) and the inner thread (21) when the outer thread (43) and the inner thread (21) are screwed, and a second clamping and pressing end (45) is arranged at the other end of the clamping and pressing outer tooth pipe (4); the butt joint copper tube (3) is connected to the first clamping and pressing end (13) and the second clamping and pressing end (45) through a clamping and pressing process, and the butt joint copper tube (3), the clamping and pressing two-way tube (1) and the clamping and pressing outer tooth tube (4) are coaxially arranged.
2. The clamping brass internal thread tee joint of claim 1, wherein: the first clamping and pressing end (13) is provided with an arc-shaped first U-shaped clamping groove (11) protruding outwards, and a first O-shaped sealing ring (12) is clamped in the first U-shaped clamping groove (11).
3. The clamping brass internal thread tee joint of claim 2, wherein: the second clamping and pressing end (45) is provided with an arc-shaped second U-shaped clamping groove (41) which protrudes outwards, and a second O-shaped sealing ring (42) is clamped in the second U-shaped clamping groove (41).
4. The clamping brass internal thread tee joint as claimed in claim 3, wherein: the first O-shaped sealing ring (12) and the second O-shaped sealing ring (42) are both made of hydrogenated nitrile rubber materials.
5. The clamping brass internal thread tee joint of claim 1, wherein: the inner shaft wall of the first clamping and pressing end (13) is provided with a first limiting step (14) which protrudes inwards towards the middle part of the clamping and pressing two-way pipe (1), and the inner shaft wall of the second clamping and pressing end (45) is provided with a second limiting step (44) which protrudes inwards towards the middle part of the clamping and pressing outer tooth pipe (4).
6. The clamping brass internal thread tee joint of claim 1, wherein: the clamping pressure two-way pipe (1) and the inner tooth straight pipe (2) are made of brass materials and form an integrated structure in a forging and pressing mode.
CN201921212484.0U 2019-07-30 2019-07-30 Clamping brass inner tooth tee joint Active CN210739682U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921212484.0U CN210739682U (en) 2019-07-30 2019-07-30 Clamping brass inner tooth tee joint

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921212484.0U CN210739682U (en) 2019-07-30 2019-07-30 Clamping brass inner tooth tee joint

Publications (1)

Publication Number Publication Date
CN210739682U true CN210739682U (en) 2020-06-12

Family

ID=71006303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921212484.0U Active CN210739682U (en) 2019-07-30 2019-07-30 Clamping brass inner tooth tee joint

Country Status (1)

Country Link
CN (1) CN210739682U (en)

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