CN114688362A - Pressure sheet type pipe joint - Google Patents
Pressure sheet type pipe joint Download PDFInfo
- Publication number
- CN114688362A CN114688362A CN202210433109.9A CN202210433109A CN114688362A CN 114688362 A CN114688362 A CN 114688362A CN 202210433109 A CN202210433109 A CN 202210433109A CN 114688362 A CN114688362 A CN 114688362A
- Authority
- CN
- China
- Prior art keywords
- pipe
- hole
- pressing sheet
- elastic pressing
- joint body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0212—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means
- F16L19/0218—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member using specially adapted sealing means comprising only sealing rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
- F16L15/08—Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L19/00—Joints in which sealing surfaces are pressed together by means of a member, e.g. a swivel nut, screwed on, or into, one of the joint parts
- F16L19/02—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member
- F16L19/0237—Pipe ends provided with collars or flanges, integral with the pipe or not, pressed together by a screwed member specially adapted for use with attachments, e.g. reduction units, T-pieces, bends or the like
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention discloses a pressing sheet type pipe joint, and particularly relates to the technical field of pipe joints. The invention forces the elastic pressing sheet to be gradually flattened and generate radial contraction by continuously screwing the press-mounting nut, the cutting part of the elastic pressing sheet can be pricked into the outer diameter of the ring pipe to firmly bite the pipe, not only the fixing of the pipe is realized, but also the sealing between the pipe and the joint body is realized, and simultaneously the O-shaped rubber ring bears the fluid pressure to generate elastic deformation to block the leakage point between the joint body and the pipe, thereby having good sealing effect.
Description
Technical Field
The invention relates to the technical field of pipe joints, in particular to a tablet type pipe joint.
Background
In fluid transmission and control systems, pipes are devices for transporting fluids which are connected by pipes, pipe couplings, valves, etc., and pipe fittings are pipe couplings which are commonly used for connecting pipelines, are connecting tools between pipes, are detachable connecting points between elements and pipes, and play an indispensable important role in pipe fittings.
The conventional welded pipe joint requires welding the pipe and the pipe joint together, is troublesome to operate, is not suitable for use particularly in places where fire is not allowed, and is elastically sealed only by the elastic action of an O-shaped rubber ring, and has a good sealing effect, so that a press-plate type pipe joint is proposed.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the pressing sheet type pipe joint which has the advantages of good sealing effect, simplicity, practicability, low manufacturing cost, avoidance of welding and firing operation and convenience in later equipment maintenance and repair.
In order to achieve the purpose, the invention provides the following technical scheme: the pressing sheet type pipe joint comprises a joint body, an O-shaped rubber ring, an elastic pressing sheet and a pressing nut, wherein the O-shaped rubber ring is arranged inside the joint body, the elastic pressing sheet is arranged at one end of the joint body, the pressing nut is sleeved outside one end of the joint body, the elastic pressing sheet is arranged inside the pressing nut, the elastic pressing sheet is gradually flattened by screwing the pressing nut and generates radial contraction to clamp the pipe, the pipe is fixed, sealing between the pipe and the joint body is realized, meanwhile, the O-shaped rubber ring blocks the leakage point of the joint body and the pipe, and the sealing effect is good.
Preferably, the internal portion of joint has seted up communicating first inner chamber and second inner chamber in proper order, second inner chamber internal diameter is greater than first inner chamber internal diameter, the rubber circle mounting groove has been seted up to the internal wall of joint, the rubber circle mounting groove is established in second inner chamber outer end and is communicated with each other with the second inner chamber, O type rubber circle is installed inside rubber circle mounting groove, the installation of the O type rubber circle of being convenient for.
Preferably, the elastic pressing sheet is processed into a bowl shape, the inner wall of the inner hole of the elastic pressing sheet and the outer wall of one end, close to the joint body, of the elastic pressing sheet form a blade part, a plurality of grooves are radially formed in the outer end of the elastic pressing sheet, the pressing nut is screwed down to enable the elastic pressing sheet to be gradually flattened and to radially contract, and the blade part of the elastic pressing sheet can be pricked into the outer diameter of the ring pipe to firmly bite the pipe.
Preferably, communicating first through-hole and second through-hole have been seted up in proper order to pressure equipment nut inside, first through-hole internal diameter is greater than the second through-hole internal diameter, the elasticity preforming is established inside first through-hole, first through-hole cover is established in the external side of the body one end that connects, and first through-hole inner wall and the external end threaded connection that connects, threaded connection is convenient for connect the body and the dismouting of pressure equipment nut.
Preferably, one end of the pipe penetrates through the second through hole to be installed in the second inner cavity, and the O-shaped rubber ring and the elastic pressing sheet are sleeved at the outer end of the pipe.
The invention has the technical effects and advantages that:
the invention is made into a bowl shape through the elastic pressing sheet of the elastic pressing sheet, the inner wall of the inner hole of the elastic pressing sheet and the outer wall of one end of the elastic pressing sheet close to the joint body form a sharp cutting part, the cutting part leans against the end surface of the joint body when the elastic pressing sheet is installed, the outer edge is clamped at the root part of the press-fitting nut, when the press-fitting nut is continuously screwed, the elastic pressing sheet is gradually flattened and generates radial contraction, the outer diameter of the ring pipe is pricked into the cutting part, the pipe is tightly bitten until the press-fitting nut is not screwed, the operation is completed, not only is the fixing of the pipe realized, but also the sealing between the pipe and the joint body is realized, and simultaneously, the O-shaped rubber ring bears the fluid pressure, the elastic deformation is generated to block the joint body and the leakage point of the pipe, the sealing effect is good, the joint is simple and practical, the manufacturing cost is low, the welding and the fire operation is avoided, and the maintenance of the equipment is convenient at the later stage.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a block diagram of the fitting body of the present invention;
FIG. 3 is a view showing the structure of the elastic pressing sheet according to the present invention;
FIG. 4 is a side view of FIG. 3 of the present invention;
fig. 5 is a view showing the construction of the press-fitting nut of the present invention.
The reference signs are: the connector comprises a connector body 1, a 2O-shaped rubber ring, an elastic pressing sheet 3, a press-fitting nut 4, a pipe 5, a first inner cavity 11, a second inner cavity 12, a rubber ring mounting groove 13, a first through hole 41 and a second through hole 42.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-5 of the specification, the invention provides a tabletting type pipe joint, which comprises a joint body 1, an O-shaped rubber ring 2, an elastic tabletting 3 and a press-fitting nut 4, wherein the O-shaped rubber ring 2 is arranged inside the joint body 1, a first inner cavity 11 and a second inner cavity 12 which are communicated are sequentially arranged inside the joint body 1, the inner diameter of the second inner cavity 12 is larger than that of the first inner cavity 11, a rubber ring mounting groove 13 is arranged on the inner wall of the joint body 1, the rubber ring mounting groove 13 is arranged at the outer end of the second inner cavity 12 and is communicated with the second inner cavity 12, the O-shaped rubber ring 2 is arranged inside the rubber ring mounting groove 13, and the O-shaped rubber ring 2 bears fluid pressure to generate elastic deformation to block the leakage point of the joint body 1 and the pipe 5.
The elastic pressing piece 3 is arranged at one end of the connector body 1, the press fitting nut 4 is sleeved at the outer side of one end of the connector body 1, the elastic pressing piece 3 is arranged inside the press fitting nut 4, a first through hole 41 and a second through hole 42 which are communicated with each other are sequentially arranged inside the press fitting nut 4, the inner diameter of the first through hole 41 is larger than that of the second through hole 42, and the elastic pressing piece 3 is arranged inside the first through hole 41.
The first through hole 41 is sleeved at the outer side of one end of the joint body 1, the inner wall of the first through hole 41 is in threaded connection with the outer end of the joint body 1, and the joint body 1 and the press-fitting nut 4 are convenient to disassemble and assemble through threaded connection.
The pipe 5 one end is passed second through-hole 42 and is installed inside second inner chamber 12, O type rubber circle 2 and elasticity preforming 3 are all established in pipe 5 outer end, elasticity preforming 3 is processed into the calathiform, the one end outer wall that elasticity preforming 3 hole inner wall and elasticity preforming 3 are close to the joint body 1 forms the cutting part, the radial several slot that opens in elasticity preforming 3 outer end, leans on elasticity preforming 3 cutting part at the terminal surface that connects the body 1 during the installation, and the outer fringe card is in the 4 roots of pressure equipment nut, and 4 can force elasticity preforming 3 to be flattened gradually and produce radial shrinkage when continuously screwing up pressure equipment nut, and the cutting part can encircle the pipe 5 external diameter and prick into, the dead bite of pipe 5.
The working principle is as follows: an O-shaped rubber ring 2 is arranged in the rubber ring mounting groove 13, an elastic pressing sheet 3 is arranged in a press-fitting nut 4, the press-fitting nut 4 and the elastic pressing sheet 3 are arranged on a pipe 5, and the press-fitting nut 4 is gradually screwed after the pipe 5 is inserted into the second inner cavity 12 of the joint body 1 and touches the bottom.
The elastic pressing sheet 3 is made into a bowl shape, the inner wall of the inner hole of the elastic pressing sheet 3 and the outer wall of one end of the elastic pressing sheet 3 close to the joint body 1 form a sharp edge part, the edge part is leaned against the end surface of the joint body 1 during installation, the outer edge is clamped at the root part of the press-fitting nut 4, when the press-fitting nut 4 is continuously screwed, the elastic pressing sheet 3 is forced to be gradually flattened and to generate radial contraction, the edge part can be pricked into the outer diameter of the pipe 5 to tightly bite the pipe 5 until the press-fitting nut 4 is screwed still, the operation is completed, not only the fixing of the pipe 5 is realized, but also the sealing between the pipe 5 and the joint body 1 is realized, and simultaneously, the O-shaped rubber ring 2 bears fluid pressure to generate elastic deformation to plug the leakage points of the joint body 1 and the pipe 5, the sealing effect is good, the joint is simple and practical, the manufacturing cost is low, the welding ignition operation is avoided, and the maintenance of equipment is very convenient at the later period, only the press-fitting nut 4 is loosened, the O-shaped rubber ring 2 is replaced, and then the press-fitting nut 4 is tightened again.
And finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (6)
1. The tablet type pipe joint is characterized in that: including joint body (1), O type rubber circle (2), elasticity preforming (3) and pressure equipment nut (4), O type rubber circle (2) are established inside the joint body (1), elasticity preforming (3) are established in joint body (1) one end, pressure equipment nut (4) cover is established in the joint body (1) one end outside, elasticity preforming (3) are established inside pressure equipment nut (4).
2. The barrel fitting of claim 1, wherein: the connector body (1) is internally provided with a first inner cavity (11) and a second inner cavity (12) which are communicated with each other in sequence, and the inner diameter of the second inner cavity (12) is larger than that of the first inner cavity (11).
3. The barrel fitting of claim 2, wherein: connect body (1) inner wall and seted up rubber circle mounting groove (13), rubber circle mounting groove (13) are established in second inner chamber (12) outer end and are communicated with each other with second inner chamber (12), O type rubber circle (2) are installed inside rubber circle mounting groove (13).
4. The barrel fitting of claim 1, wherein: the elastic pressing sheet (3) is processed into a bowl shape, the inner wall of the inner hole of the elastic pressing sheet (3) and the outer wall of one end of the elastic pressing sheet (3) close to the joint body (1) form a blade part, and the outer end of the elastic pressing sheet (3) is radially provided with a plurality of grooves.
5. The barrel fitting of claim 2, wherein: communicating first through-hole (41) and second through-hole (42) have been seted up in proper order to pressure equipment nut (4) inside, first through-hole (41) internal diameter is greater than second through-hole (42) internal diameter, elasticity preforming (3) are established inside first through-hole (41), first through-hole (41) cover is established and is connected the body (1) one end outside, and first through-hole (41) inner wall and the threaded connection of the outer end of the body (1) that connects.
6. The barrel fitting of claim 5, wherein: one end of the pipe (5) penetrates through the second through hole (42) and is installed in the second inner cavity (12), and the O-shaped rubber ring (2) and the elastic pressing sheet (3) are sleeved at the outer end of the pipe (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433109.9A CN114688362A (en) | 2022-04-24 | 2022-04-24 | Pressure sheet type pipe joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210433109.9A CN114688362A (en) | 2022-04-24 | 2022-04-24 | Pressure sheet type pipe joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114688362A true CN114688362A (en) | 2022-07-01 |
Family
ID=82144801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210433109.9A Pending CN114688362A (en) | 2022-04-24 | 2022-04-24 | Pressure sheet type pipe joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114688362A (en) |
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2022
- 2022-04-24 CN CN202210433109.9A patent/CN114688362A/en active Pending
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