CN217874740U

CN217874740U - Plastic pipe connecting mechanism

Info

Publication number: CN217874740U
Application number: CN202221833220.9U
Authority: CN
Inventors: 付志兴; 曹连珍
Original assignee: Cangzhou Huaxiang Plastic Industry Co ltd
Current assignee: Cangzhou Huaxiang Plastic Industry Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-22
Anticipated expiration: 2032-07-14

Abstract

The utility model relates to the technical field of pipe joints, in particular to a plastic pipe connecting mechanism; the installation is convenient, the sealing performance is improved, and the phenomena of leakage and leakage are effectively reduced; the plastic pipe joint comprises a joint body, socket parts symmetrically arranged on the joint body, a pressing mechanism, an external thread cylinder and a gland, wherein the pressing mechanism comprises a sleeve and a plurality of groups of semi-conical bulges uniformly distributed on the inner wall of the sleeve in the circumferential direction, a plurality of groups of semi-conical grooves matched with the semi-conical bulges are arranged on the socket parts, the external thread cylinder is fixedly arranged on the joint body, the external thread cylinder is sleeved on the socket parts, the pressing mechanism is inserted between the external thread cylinder and the socket parts, the gland is screwed on the external thread cylinder, and through holes for plastic pipes to pass through are formed in the gland and the sleeve.

Description

Plastic pipe connecting mechanism

Technical Field

The utility model relates to a technical field of coupling especially relates to a plastic pipe coupling mechanism.

Background

As is well known, a plastic pipe connection mechanism is a pipe joint for connecting flexible plastic hoses; the existing plastic pipe connecting mechanism comprises a joint body and conical tower-shaped socket parts symmetrically arranged on the joint body; when the existing plastic pipe connecting mechanism is used, the conical tower type socket part is inserted into the plastic pipe to realize the connection of the plastic pipe; the existing plastic pipe connecting mechanism is found in use that when pressurized fluid passes through, the plastic pipe is easy to fall off from the conical tower type socket joint part, the sealing performance between the conical tower type socket joint part and the plastic pipe is difficult to guarantee, the phenomena of leakage and leakage are easy to occur, and certain use limitation is realized.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an it is convenient to install, improves sealing performance, effectively reduces the plastic pipe coupling mechanism that the phenomenon of running and falling hourglass takes place.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the plastic pipe joint comprises a joint body, socket parts symmetrically arranged on the joint body, a pressing mechanism, an external thread cylinder and a gland, wherein the pressing mechanism comprises a sleeve and a plurality of groups of semi-conical bulges uniformly distributed on the inner wall of the sleeve in the circumferential direction, a plurality of groups of semi-conical grooves matched with the semi-conical bulges are arranged on the socket parts, the external thread cylinder is fixedly arranged on the joint body, the external thread cylinder is sleeved outside the socket parts, the pressing mechanism is inserted between the external thread cylinder and the socket parts, the gland is screwed on the external thread cylinder, and through holes for plastic pipes to pass through are formed in the gland and the sleeve.

Preferably, the socket part is conical, and the diameter of one side of the socket part, which is far away from the middle part of the connector body, is smaller than the diameter of the socket part, which is close to the middle part of the connector body.

Preferably, the sleeve is provided with an annular chute, and the inner wall of the gland is rotatably provided with a plurality of groups of balls which are uniformly distributed in the circumferential direction; further, the ball rolls along the circumferential direction of the annular sliding groove.

Preferably, the inner wall of the external thread cylinder is in close contact with the outer diameter of the sleeve.

Preferably, the joint body and the gland are both provided with a hexagonal nut part.

(III) advantageous effects

Compared with the prior art, the utility model provides a plastic pipe coupling mechanism possesses following beneficial effect: this plastic pipe coupling mechanism, through passing the plastic pipe through-hole on gland and the sleeve, socket joint portion inserts to the plastic intraductally, the gland inserts between socket joint portion and the external screw thread section of thick bamboo, half toper arch is impressed the plastic pipe to half toper recess in, feed along with the gland from external screw thread section of thick bamboo department spiral shell dress, the gland top is moved the sleeve and is located to remove to being close to joint body middle part, under half toper arch and half toper recess's effect, the plastic pipe fully extends and with socket joint portion in close contact with, the area of contact of plastic pipe and socket joint portion has been increased, and realized that the plastic pipe dies with the compressing tightly lock of socket joint portion, it is convenient to install, sealing performance is improved, effectively reduce the leakage phenomenon of running rail.

Drawings

Fig. 1 is a schematic diagram of the explosion three-dimensional structure of the present invention;

FIG. 2 is a schematic diagram of the front view of the explosion of the present invention;

fig. 3 isbase:Sub>A schematic cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 2 according to the present invention;

fig. 4 is a schematic cross-sectional view taken along line B-B of fig. 2 according to the present invention;

fig. 5 is a schematic view of the enlarged structure of a part a in fig. 3 according to the present invention;

fig. 6 is a schematic perspective view of a prior art joint of the present invention;

in the drawings, the reference numbers: 1. a connector body; 2. a socket part; 3. an externally threaded barrel; 4. a gland; 5. a sleeve; 6. a semi-conical protrusion; 7. a semi-conical recess; 8. a through hole; 9. an annular chute; 10. a ball bearing; 11. a hexagonal screw cap portion.

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 fig. 1-6, the utility model discloses a plastic pipe connecting mechanism, including joint body 1, the socket joint portion 2 symmetrically arranged on joint body 1, hold-down mechanism, an external thread section of thick bamboo 3 and gland 4, hold-down mechanism includes sleeve 5 and the even multiunit half cone shape arch 6 of the inner wall of sleeve 5 of circumference, be provided with multiunit and half cone shape recess 7 that half cone shape arch 6 agrees with mutually on socket joint portion 2, external thread section of thick bamboo 3 is fixedly mounted on joint body 1, external thread section of thick bamboo 3 is located the socket joint portion 2 outside, hold-down mechanism inserts between external thread section of thick bamboo 3 and socket joint portion 2, gland 4 is screwed on external thread section of thick bamboo 3, gland 4 and sleeve 5 are all provided with the through-hole 8 that supplies the plastic pipe to pass through; furthermore, the inner diameter of the through hole 8 is slightly larger than the outer diameter of the plastic pipe, so that the plastic pipe can conveniently pass through the gland 4 and the sleeve 5; the central axes of the joint body 1, the socket part 2, the pressing mechanism and the gland 4 are collinear, and the small-diameter end of the semi-conical bulge 6 is positioned at one side of the sleeve 5 close to the joint body 1, so that the semi-conical bulge 6 is inserted into the corresponding semi-conical groove 7 in a labor-saving manner.

Specifically, the socket part 2 is conical, and the diameter of one side of the socket part 2, which is far away from the middle part of the joint body 1, is smaller than the diameter of the socket part 2, which is close to the middle part of the joint body 1; through the toper setting of socket joint portion 2, can be more laborsaving smooth and easy insert plastic pipe with socket joint portion 2 inside, the equipment of the joint of being convenient for and plastic pipe.

Specifically, the sleeve 5 is provided with an annular chute 9, and the inner wall of the gland 4 is rotatably provided with a plurality of groups of balls 10 which are uniformly distributed in the circumferential direction; further, the balls 10 roll along the circumferential direction of the annular chute 9; when gland 4 goes up the spiral shell dress from external thread section of thick bamboo 3 and feeds, ball 10 rolls in the annular spout 9 certainly, gland 4 forms the top to sleeve 5 and moves the effect, and sleeve 5 and gland 4 sliding contact under the effect of ball 10, effectual reduction area of contact between the two, avoid gland 4 to rotate the in-process and drive sleeve 5 axle and rotate, can screw gland 4 more laborsavingly, avoid half toper arch 6 to shift from half toper recess 7 in simultaneously, with the connection sealing performance who guarantees joint and plastic pipe.

Specifically, the inner wall of the external thread cylinder 3 is closely contacted with the outer diameter of the sleeve 5; sleeve 5 outer wall agrees with 3 inner walls of an external screw thread section of thick bamboo promptly, and an external screw thread section of thick bamboo 3 leads spacingly to sleeve 5, and sleeve 5 guarantees the accuracy that sleeve 5 fed along 3 axial displacement of an external screw thread section of thick bamboo.

Specifically, the joint body 1 and the gland 4 are both provided with a hexagonal nut part 11; accessible tools such as spanner are screwed to joint body 1 and gland 4, and hexagonal nut portion 11 can provide better impetus, is convenient for screw gland 4 and joint body 1.

When using, through passing the plastic pipe through-hole 8 on gland 4 and the sleeve 5, spigot and socket portion 2 inserts to in the plastic pipe, gland 4 inserts between spigot and socket portion 2 and the external screw thread section of thick bamboo 3, half conical bulge 6 impresses the plastic pipe to half conical groove 7 in, along with gland 4 feeds from the screw-in of external screw thread section of thick bamboo 3 department, gland 4 top moves sleeve 5 and removes to being close to 1 middle part department of joint body, under half conical bulge 6 and half conical groove 7's effect, the plastic pipe fully extends and with spigot and socket portion 2 in close contact with, the area of contact of plastic pipe and spigot and socket portion 2 has been increased, its cyclic annular port of plastic pipe is the wave form under half conical bulge 6 and half conical groove 7's effect and buckles, the area of contact of plastic pipe and spigot and socket portion 2 has been increased, the sealed fastening connection of coupling and plastic pipe has been realized.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be readily understood that "over 8230" \8230on "," over 82308230; "over 8230;" and "over 8230; \8230; over" in the present disclosure should be interpreted in the broadest manner such that "over 8230;" over 8230 ";" not only means "directly over something", but also includes the meaning of "over something" with intervening features or layers therebetween, and "over 8230;" over 8230 ";" or "over 8230, and" over "not only includes the meaning of" over "or" over "but also may include the meaning of" over "or" over "with no intervening features or layers therebetween (i.e., directly over something).

Furthermore, spatially relative terms, such as "below," "lower," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's illustrated relationship to another element or feature. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may have other orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly as well.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.

Claims

1. The utility model provides a plastic pipe coupling mechanism, its characterized in that includes joint body (1), symmetry sets up socket joint portion (2), hold-down mechanism, an external screw thread section of thick bamboo (3) and gland (4) on joint body (1), hold-down mechanism includes sleeve (5) and the circumference equipartition in the half toper arch (6) of multiunit of sleeve (5) inner wall, be provided with half toper recess (7) that multiunit and half toper arch (6) agree with on socket joint portion (2), an external screw thread section of thick bamboo (3) fixed mounting is on joint body (1), the socket joint portion (2) outside is located to external screw thread section of thick bamboo (3) cover, hold-down mechanism inserts between an external screw thread section of thick bamboo (3) and socket joint portion (2), gland (4) spiro union is on an external screw thread section of thick bamboo (3), all be provided with through-hole (8) that the plastic supplied the pipe to pass through on gland (4) and sleeve (5).

2. The plastic pipe connecting mechanism according to claim 1, wherein the socket part (2) is tapered, and a diameter of a side of the socket part (2) away from the middle of the coupling body (1) is smaller than a diameter of the socket part (2) near the middle of the coupling body (1).

3. The plastic pipe connecting mechanism according to claim 2, wherein the sleeve (5) is provided with an annular sliding groove (9), and the inner wall of the gland (4) is rotatably provided with a plurality of groups of balls (10) which are uniformly distributed in the circumferential direction.

4. The plastic pipe connecting mechanism according to claim 3, wherein the inner wall of the externally threaded cylinder (3) is in close contact with the outer diameter of the sleeve (5).

5. The plastic pipe connecting mechanism according to claim 4, wherein the connector body (1) and the gland (4) are provided with hexagonal nut portions (11).