CN217130596U - Pressure sheet type pipe joint - Google Patents

Abstract

The utility model discloses a preforming formula coupling, concretely relates to coupling technical field, including the joint body, O type rubber circle, elasticity preforming and pressure equipment nut, O type rubber circle is established at the internal portion that connects, the elasticity preforming is established in joint body one end, pressure equipment nut cover is established in the external side of joint body one end, the elasticity preforming is established inside the pressure equipment nut. The utility model discloses a continuously screw up pressure equipment nut and force the elasticity preforming to be flattened gradually and produce radial contraction, the cutting part of elasticity preforming can ring canal external diameter prick into, die and die the seizing with the pipe, not only realize the fixed to the pipe, and realize the pipe and connect the body between sealed, bear fluid pressure through O type rubber circle simultaneously, make it produce elastic deformation and block up the leakage point that connects body and pipe, it is sealed effectual, this kind connects simple and practical, the cost is low, remove the welding again and move the fire operation, at later stage equipment maintenance and easy maintenance.

Description

Pressure sheet type pipe joint

Technical Field

The utility model relates to a coupling technical field, the more specifically preforming formula coupling that says so.

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 to connect pipes, are connection tools between pipes, are removable connection points between elements and pipes, and play an essential 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 above-mentioned defect of prior art, the utility model provides a pressure piece formula coupling, it is sealed effectual, this kind of joint simple and practical, the cost is low, removes the welding again and moves fiery operation, at later stage equipment maintenance and easy maintenance.

In order to achieve the above purpose, the utility model provides a 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 utility model discloses a technological effect and advantage:

the utility model discloses a be made into calathiform through elasticity preforming elastic pressing piece, elasticity preforming hole inner wall forms sharp cutting part with the one end outer wall that elasticity preforming is close to the joint body, lean on the cutting part at the terminal surface that connects the body during installation, the outer fringe card is at pressure equipment nut root, can force the elasticity preforming to be flattened gradually and produce radial contraction when continuously screwing up pressure equipment nut, the cutting part can be pricked into to the ring canal external diameter, the dead bite of pipe, twist motionless to pressure equipment nut, the operation is accomplished, not only realize the fixed to the pipe, and realize the pipe and connect the body between sealed, bear fluid pressure through O type rubber circle simultaneously, make it produce elastic deformation and block up the dew point that connects the body and pipe, it is sealed effectual, this kind of joint is simple and practical, the cost is low, remove welding again and move the fire operation from, at later stage equipment maintenance and easy maintenance.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the joint body structure of the present invention;

FIG. 3 is a structural view of the elastic pressing sheet of the present invention;

fig. 4 is a side view of the present invention from fig. 3;

fig. 5 is a structure view 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 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to the attached drawings of the specification 1-5, the utility model provides a pressure plate type pipe joint, including the joint body 1, O type rubber circle 2, elasticity preforming 3 and pressure equipment nut 4, O type rubber circle 2 is established inside the joint body 1, communicating first inner chamber 11 and second inner chamber 12 have been seted up in proper order to joint body 1 inside, second inner chamber 12 internal diameter is greater than first inner chamber 11 internal diameter, rubber circle mounting groove 13 has been seted up to joint body 1 inner wall, rubber circle mounting groove 13 is established in second inner chamber 12 outer end and is communicated with each other with second inner chamber 12, O type rubber circle 2 is installed inside rubber circle mounting groove 13, is bearing fluid pressure through O type rubber circle 2, makes it produce elastic deformation and blocks up the leakage point that connects body 1 and 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 on 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 due to 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 is made into a bowl shape through the elastic pressing sheet 3, the inner wall of an inner hole of the elastic pressing sheet 3 and the outer wall of one end of the elastic pressing sheet 3, which is close to the joint body 1, form a sharp cutting part, the cutting part leans against the end surface of the joint body 1 when the elastic pressing sheet 3 is installed, 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 generates radial contraction, the cutting 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 finished, not only is the fixing of the pipe 5 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 the fluid pressure to generate elastic deformation to block 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 operation is also avoided, and the maintenance of the 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 preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection 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 sheeted pipe joint according to 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).

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