CN109654323B

CN109654323B - Compression-resistant plastic pipe joint

Info

Publication number: CN109654323B
Application number: CN201910040552.8A
Authority: CN
Inventors: 不公告发明人
Original assignee: Pan'an Feihu Plastic Co Ltd
Current assignee: Pan'an Feihu Plastic Co., Ltd
Priority date: 2019-01-16
Filing date: 2019-01-16
Publication date: 2020-10-27
Anticipated expiration: 2039-01-16
Also published as: CN109654323A

Abstract

The invention relates to the technical field of pipe joints, in particular to a compression-resistant plastic pipe joint, which comprises a fixed pipe, a fixed structure, a locking structure, a sealing structure and a filtering structure, wherein the fixed pipe is provided with a sealing hole; be the symmetry at the both ends of fixed pipe and be equipped with two fixed knot structures, through fixed knot structure's setting, can carry out preliminary fixed connection to water pipe and fixed pipe, two the equal sliding connection in fixed knot structure's inside has locking structure, through locking structure's setting can carry out the secondary to water pipe and connecting pipe and connect fixedly, uses through fixed knot structure and locking structure's cooperation, can make water pipe and fixed pipe carry out the high-speed joint fixed, saves installation time, can also effectively prevent the phenomenon that water pipe and fixed pipe drop in the use.

Description

Compression-resistant plastic pipe joint

Technical Field

The invention relates to the technical field of pipe joints, in particular to a compression-resistant plastic pipe joint.

Background

Since the invention of plastic pipes, plastic pipes have been increasingly used in domestic, commercial and industrial applications, which previously were the fields of use of brass, copper and steel pipes. Plastic pipes offer many advantages over their metal predecessors. Plastic pipes are extremely flexible, allowing quick and easy installation compared to metal pipes. In demanding applications, the wide variety of available plastic polymers allows the user to select chemically inert and corrosion resistant tubing to meet the unique needs of these applications. In the installation and use of common plastic pipes, the plastic pipe joints are required to be butted, so that the plastic pipe joints are widely applied in the installation process of water pipes.

However, the traditional plastic pipe joint is generally butted in a melting and butting mode in the using process, the outside laziness is enhanced, the traditional plastic pipe joint is not suitable for butting of water pipes in complex areas, the butting mode is troublesome, time and labor are wasted, and the imagination that the water pipes and the joints fall off can be caused. In view of this, the invention provides a pressure-resistant plastic pipe joint, which has the following characteristics:

(1) according to the pressure-resistant plastic pipe joint, the two fixing structures are symmetrically arranged at the two ends of the fixing pipe, the water pipe and the fixing pipe can be primarily fixedly connected through the arrangement of the fixing structures, the locking structures are slidably connected inside the two fixing structures, the water pipe and the connecting pipe can be secondarily connected and fixed through the arrangement of the locking structures, the water pipe and the fixing pipe can be rapidly connected and fixed through the matching use of the fixing structures and the locking structures, the installation time is saved, and the phenomenon that the water pipe and the fixing pipe fall off in the use process can be effectively prevented.

(2) According to the pressure-resistant plastic pipe joint, the clamping ring with the quarter-circle structure is connected inside the fixed sleeve in a sliding mode, the clamping ring and the fixed sleeve are not concentric, the fixed sleeve is provided with the sliding groove capable of allowing the clamping ring to slide, the sliding groove is of the L-shaped structure, the clamping ring can be limited and fixed through the arrangement of the sliding groove of the L-shaped structure, a water pipe can be clamped and fixed quickly through the arrangement of the clamping ring, the end, close to the inside of the fixed sleeve, of the clamping ring is provided with the limiting teeth with the triangular cross sections, the water pipe can be further fixed through the arrangement of the limiting teeth, and the clamping and fixing effects are better.

(3) According to the pressure-resistant plastic pipe joint, the two sealing structures which are in parallel relation are symmetrically arranged at the two ends of the fixed pipe, the sealing between the water pipe and the fixed pipe can be realized by utilizing the water pressure in the fixed pipe through the arrangement of the sealing structures, the sealing performance is better when the water pressure is higher, and the imagination of water leakage at the joint between the water pipe and the fixed pipe can be effectively prevented.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a pressure-resistant plastic pipe joint, wherein two fixing structures are symmetrically arranged at two ends of a fixing pipe, a water pipe and the fixing pipe can be primarily and fixedly connected through the arrangement of the fixing structures, locking structures are respectively and slidably connected inside the two fixing structures, the water pipe and a connecting pipe can be secondarily connected and fixed through the arrangement of the locking structures, the water pipe and the fixing pipe can be rapidly connected and fixed through the matching use of the fixing structures and the locking structures, the installation time is saved, the phenomenon that the water pipe and the fixing pipe fall off in the use process can be effectively prevented, a snap ring with a quarter-circle structure is slidably connected inside a fixing sleeve, the snap ring and the fixing sleeve are not concentric, a sliding groove for the snap ring to slide is arranged on the fixing sleeve, and the sliding groove is of an L-shaped structure, through the setting of the spout of "L" shape structure, can carry out spacing fixed to the snap ring, setting through the snap ring, can carry out the centre gripping fast to the water pipe and fix, the one end that is close to fixed cover inside at the snap ring is equipped with the spacing tooth that a plurality of cross-sections are the triangle-shaped structure, setting through spacing tooth, can further fix the water pipe, it is better to make the fixed effect of centre gripping, it is equipped with two seal structure that are parallel relation to be equipped with to be the symmetry at the both ends of fixed pipe, through seal structure's setting, can utilize the inside water pressure of fixed pipe to realize the water pipe and fixed sealing between the pipe, and water pressure is big the better the leakproofness, can effectively prevent the imagination that joint department.

The technical scheme adopted by the invention for solving the technical problems is as follows: a compression-resistant plastic pipe joint comprises a fixed pipe, a fixed structure, a locking structure, a sealing structure and a filtering structure; two ends of the fixed pipe for fixing and installing other parts are respectively symmetrically provided with two fixed structures for connecting and fixing the water pipe, and the locking structures for further connecting and fixing the water pipe are connected in the fixed structures in a sliding manner; the inside both ends of fixed pipe are the symmetry be equipped with two be used for right with fixed pipe and water pipe seal structure, the inside threaded connection of fixed pipe has and is used for carrying out filterable to the water of water pipe inside filtration structure.

Specifically, fixed knot constructs and is equipped with two, two fixed knot constructs and is that the symmetric relation is fixed in respectively the both ends of fixed pipe, two fixed knot constructs all including fixed cover, locking bolt and latch, two fixed cover is about the central line symmetric distribution of fixed pipe, two the outside diameter and the inside diameter of fixed cover all are greater than the outside and the inside diameter of fixed pipe, threaded connection has on the fixed cover locking bolt, just locking bolt runs through fixed cover, locking bolt is close to the inside one end of fixed cover is equipped with the latch, just the cross-section triangle-shaped structure of latch.

Specifically, locking structure is equipped with two, two locking structure about fixed pipe symmetric distribution, two locking structure all includes snap ring, spout, pull rod and spacing tooth, two the spout is located two respectively the one end that fixed cover was kept away from mutually, the inside sliding connection of fixed cover has the snap ring, the one end fixed cylinder structure of snap ring the pull rod, the snap ring is close to the inside one end of fixed cover is equipped with spacing tooth.

Specifically, the spout is "L" shape structure, just one section of spout is the arc structure, the snap ring is the quarter circle structure, just the snap ring with the diameter of spout is greater than the inside diameter of fixed cover, the snap ring with the spout is in the same centre of a circle, the snap ring with the different centre of a circle of fixed cover, spacing tooth is equipped with a plurality ofly, and a plurality of cross-sections are the triangle-shaped structure spacing tooth becomes parallel relation of each other and is fixed in the snap ring is close to the inside one end of fixed cover.

Specifically, seal structure is equipped with two, two seal structure is that the symmetric relation all locates the inside of solid fixed tube, two seal structure all includes water inlet, water course, rubber circle and rubber sleeve, the water inlet is equipped with a plurality ofly, and a plurality of cross-sections are loudspeaker column structure the water inlet is all located the inside of solid fixed tube, curved the rubber circle is located the both ends of solid fixed tube, the inside of rubber circle is equipped with inside hollow the rubber sleeve, the rubber sleeve passes through the water course with the water inlet communicates with each other.

Specifically, filtration includes spacing ring, first filter screen and second filter screen, the spacing ring is located the inside of fixed pipe, just the spacing ring with fixed pipe threaded connection the inside both ends of spacing ring are the symmetric relation and are equipped with two the second filter screen, and two the second filter screen is semi-circular structure, the inside of spacing ring is equipped with a plurality ofly first filter screen, and a plurality of first filter screen is wavy structure.

The invention has the beneficial effects that:

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic overall structural view of a preferred embodiment of a pressure-resistant plastic pipe joint according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the connection structure of the fixing structure and the locking structure shown in FIG. 1;

FIG. 4 is a schematic view of a connection structure of the fixing structure and the sealing structure shown in FIG. 1;

fig. 5 is an enlarged view of the portion B shown in fig. 4.

In the figure: 1. fixed pipe, 2, fixed knot construct, 21, fixed cover, 22, locking bolt, 23, latch, 3, locking structure, 31, snap ring, 32, spout, 33, pull rod, 34, spacing tooth, 4, seal structure, 41, water inlet, 42, water course, 43, rubber circle, 44, rubber sleeve, 5, filtration, 51, spacing ring, 52, first filter screen, 53, second filter screen.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 5, the pressure-resistant plastic pipe joint according to the present invention comprises a fixed pipe 1, a fixed structure 2, a locking structure 3, a sealing structure 4 and a filtering structure 5; two ends of the fixed pipe 1 for fixing and installing other parts are respectively symmetrically provided with two fixed structures 2 for connecting and fixing the water pipe, and the locking structures 3 for further connecting and fixing the water pipe are connected in the fixed structures 2 in a sliding manner; the inside both ends of fixed pipe 1 are the symmetry be equipped with two be used for right with fixed pipe 1 and water pipe seal structure 4, the inside threaded connection of fixed pipe 1 has and is used for carrying out filterable to the water of water pipe inside filtration 5.

Specifically, the two fixing structures 2 are symmetrically fixed at two ends of the fixing pipe 1, each fixing structure 2 includes a fixing sleeve 21, a locking bolt 22 and a latch 23, the two fixing sleeves 21 are symmetrically distributed about a central line of the fixing pipe 1, outer diameters and inner diameters of the two fixing sleeves 21 are larger than those of the fixing pipe 1, the locking bolt 22 is in threaded connection with the fixing sleeve 21, the locking bolt 22 penetrates through the fixing sleeve 21, the latch 23 is arranged at one end of the locking bolt 22 close to the inner portion of the fixing sleeve 21, and a cross-section triangular structure of the latch 23 is used for firstly inserting a water pipe into the fixing sleeve 21, and the two annular fixing sleeves 21 are symmetrically fixed at two ends of the fixing pipe 1, and two the outside diameter and the inside diameter of fixed cover 21 all are greater than fixed pipe 1's outside and inside diameter, consequently fixed cover 21 with there is the step between the fixed pipe 1, the water pipe inserts the inside of fixed cover 21 just in time can with fixed pipe 1 contradicts, inserts when the water pipe the inside back of fixed cover 21 is screwed up locking bolt 22 is close to the inside one end of fixed cover 21 is equipped with the cross-section and is the triangle-shaped structure latch 23, through latch 23 with locking bolt 22's cooperation is used, can connect fixedly to the water pipe.

Specifically, the number of the locking structures 3 is two, the two locking structures 3 are symmetrically distributed about the fixed pipe 1, each of the two locking structures 3 comprises a snap ring 31, a sliding groove 32, a pull rod 33 and a limiting tooth 34, the two sliding grooves 32 are respectively arranged at two ends, far away from the fixed sleeve 21, of the fixed sleeve 21, the snap ring 31 is connected to the inner portion of the fixed sleeve 21 in a sliding manner, the pull rod 33 of a cylindrical structure is fixed at one end of the snap ring 31, the limiting tooth 34 is arranged at one end, close to the inner portion of the fixed sleeve 21, of the snap ring 31, after the water pipe is preliminarily fixed under the tightening of the locking bolt 22, the pull rod 33 is pulled to pull the snap ring 31 to abut against the water pipe inside the fixed sleeve 21, the L-shaped sliding groove 32 is arranged on the fixed sleeve 21, and the pull rod 33 can be fixed in a limiting manner after the snap ring 31 abuts against the water pipe through the arrangement of, prevent snap ring 31 is lax snap ring 31 is close to the inside one end of fixed cover 21 is equipped with a plurality of cross-sections and is the triangle-shaped structure spacing tooth 34, through spacing tooth 34's setting can make snap ring 31 is more firm to the fixed of water pipe.

Specifically, the sliding groove 32 is of an L-shaped structure, a section of the sliding groove 32 is of an arc-shaped structure, the snap ring 31 is of a quarter-circle structure, and the diameters of the snap ring 31 and the slide groove 32 are larger than the inner diameter of the fixing sleeve 21, the clamping ring 31 and the sliding groove 32 are concentric, the clamping ring 31 and the fixed sleeve 21 are different in center, a plurality of limiting teeth 34 are arranged, a plurality of limiting teeth 34 with triangular sections are fixed at one end of the snap ring 31 close to the inner part of the fixed sleeve 21 in a mutually parallel relationship, by having the diameters of the snap ring 31 and the slide groove 32 larger than the inner diameter of the fixing sleeve 21, the snap ring 31 with the spout 32 is concentric, the snap ring 31 with the fixed cover 21 is different in centre of a circle, can guarantee to be in the pulling during pull rod 33, the snap ring 31 can press from both sides tightly fixedly to the water pipe.

Specifically, two sealing structures 4 are arranged, two sealing structures 4 are symmetrically arranged inside the fixed pipe 1, each sealing structure 4 comprises a water inlet 41, a water channel 42, a rubber ring 43 and a rubber sleeve 44, the water inlet 41 is provided with a plurality of water inlets 41 with horn-shaped cross sections, the rubber rings 43 are arranged at two ends of the fixed pipe 1, the rubber sleeves 44 with hollow interiors are arranged inside the rubber rings 43, the rubber sleeves 44 are communicated with the water inlets 41 through the water channels 42, the two rubber rings 43 are fixed at two ends of the fixed pipe 1 in a symmetrical relationship, the rubber sleeves 44 with hollow interiors are arranged inside the two rubber rings 43, and when a water pipe is inserted into the interior of the fixed sleeve 21, the water pipe is abutted against the rubber rings 43 and the rubber sleeves 44, the rubber sleeve 44 expands under the pressure action of the water entering from the water inlet 41, the water pipe and the fixed pipe 1 are sealed, the cross section of the water inlet 41 is of a horn-shaped structure, the pressure of the rubber sleeve 44 can be increased, the sealing performance is better, and through the matching use of the rubber ring 43 and the rubber sleeve 44, the water pressure inside the fixed pipe 1 can be utilized for automatic sealing, the sealing performance is better, and the water leakage condition at the joint can be effectively prevented.

Specifically, the filtering structure 5 includes a limiting ring 51, a first filter screen 52 and a second filter screen 53, the limiting ring 51 is disposed inside the fixed pipe 1, the limiting ring 51 is in threaded connection with the fixed pipe 1, two second filter screens 53 are disposed at two ends of the limiting ring 51, each of the two second filter screens 53 is of a semicircular structure, the first filter screens 52 are disposed inside the limiting ring 51, each of the first filter screens 52 is of a wavy structure, when water flows through the fixed pipe 1, the water flows through the first filter screens 52 and the second filter screens 53, the limiting ring 51 is in threaded connection inside the fixed pipe 1, the first filter screens 52 and the second filter screens 53 are fixed inside the limiting ring 51, each of the first filter screens 52 is of a wavy structure, each of the second filter screens 53 is of a semicircular structure, through the cooperation of first filter screen 52 with second filter screen 53 uses, can filter the rivers, improves the cleanliness factor of water.

When the water pipe fixing device is used, firstly, a water pipe is inserted into the fixing sleeve 21, the two annular fixing sleeves 21 are fixed at the two ends of the fixing pipe 1 in a symmetrical relation, and the outer diameter and the inner diameter of the two fixing sleeves 21 are larger than those of the fixing pipe 1, so that a step exists between the fixing sleeve 21 and the fixing pipe 1, the water pipe is inserted into the fixing sleeve 21 and just can be abutted against the fixing pipe 1, after the water pipe is inserted into the fixing sleeve 21, the locking bolt 22 is screwed, a clamping tooth 23 with a triangular section structure is arranged at one end, close to the inner part of the fixing sleeve 21, of the locking bolt 22, and the water pipe can be connected and fixed through the matching of the clamping tooth 23 and the locking bolt 22; after the water pipe is preliminarily fixed under the tightening of the locking bolt 22, the pull rod 33 is pulled to pull the snap ring 31 to be abutted against the water pipe in the fixing sleeve 21, the L-shaped chute 32 is arranged on the fixing sleeve 21, the pull rod 33 can be limited and fixed after the snap ring 31 is abutted against the water pipe through the arrangement of the chute 32, the snap ring 31 is prevented from loosening, a plurality of limiting teeth 34 with triangular sections are arranged at one end of the snap ring 31 close to the inner part of the fixing sleeve 21, and the snap ring 31 can be more firmly fixed on the water pipe through the arrangement of the limiting teeth 34; by means of the diameters of the clamping ring 31 and the sliding groove 32 being larger than the inner diameter of the fixing sleeve 21, the clamping ring 31 and the sliding groove 32 being concentric, and the clamping ring 31 and the fixing sleeve 21 being different in center, it can be guaranteed that the clamping ring 31 can clamp and fix the water pipe when the pull rod 33 is pulled; two rubber rings 43 are fixed at two ends of the inside of the fixed pipe 1 in a symmetrical relation, rubber sleeves 44 with hollow inside are arranged inside the two rubber rings 43, when the water pipe is inserted into the inside of the fixed sleeve 21, the water pipe can be abutted against the rubber rings 43 and the rubber sleeves 44, the rubber sleeves 44 can expand under the pressure action of water entering from the water inlet 41, and the space between the water pipe and the fixed pipe 1 can be sealed, the cross section of the water inlet 41 is of a horn-shaped structure, so that the pressure of the rubber sleeves 44 can be increased, the sealing performance is better, the rubber rings 43 and the rubber sleeves 44 are matched for use, the water pressure inside the fixed pipe 1 can be utilized for automatic sealing, the sealing performance is better, and the condition of water leakage at a joint can be effectively prevented; when rivers flow through the inside of fixed pipe 1, will pass through first filter screen 52 and second filter screen 53, have spacing ring 51 at the internal thread connection of fixed pipe 1, at the fixed first filter screen 52 of the inside of spacing ring 51 and second filter screen 53, and first filter screen 52 is wavy structure, and second filter screen 53 is semi-circular structure, uses through the cooperation of first filter screen 52 and second filter screen 53, can filter rivers, improves the cleanliness factor of water.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a resistance to compression type plastic pipe connects which characterized in that: comprises a fixed tube (1), a fixed structure (2), a locking structure (3), a sealing structure (4) and a filtering structure (5); two ends of the fixed pipe (1) for fixing and installing other parts are respectively symmetrically provided with two fixed structures (2) for connecting and fixing the water pipe, and the locking structures (3) for further connecting and fixing the water pipe are slidably connected inside the fixed structures (2); two sealing structures (4) used for sealing the fixed pipe (1) and the water pipe are symmetrically arranged at two ends of the inner part of the fixed pipe (1), and the filtering structure (5) used for filtering water in the water pipe is connected with the inner part of the fixed pipe (1) through threads;

the two fixing structures (2) are symmetrically fixed at two ends of the fixing pipe (1), each fixing structure (2) comprises a fixing sleeve (21), a locking bolt (22) and a latch (23), the two fixing sleeves (21) are symmetrically distributed about the central line of the fixing pipe (1), the outer diameter and the inner diameter of each fixing sleeve (21) are larger than those of the fixing pipe (1), the locking bolt (22) is in threaded connection with the fixing sleeves (21), the locking bolt (22) penetrates through the fixing sleeves (21), the latch (23) is arranged at one end, close to the inner portion of the fixing sleeves (21), of each locking bolt (22), and the cross section of the latch (23) is of a triangular structure;

the two locking structures (3) are symmetrically distributed about the fixed pipe (1), each locking structure (3) comprises a clamping ring (31), a sliding groove (32), a pull rod (33) and a limiting tooth (34), the two sliding grooves (32) are respectively formed in one end, away from the fixed sleeve (21), of each fixed sleeve (21), the clamping ring (31) is connected to the inner portion of each fixed sleeve (21) in a sliding mode, the pull rod (33) of a cylindrical structure is fixed to one end of each clamping ring (31), and the limiting tooth (34) is arranged at one end, close to the inner portion of each fixed sleeve (21), of each clamping ring (31);

spout (32) are "L" shape structure, just one section of spout (32) is the arc structure, snap ring (31) are the quarter circle structure, just snap ring (31) with the diameter of spout (32) is greater than the inside diameter of fixed cover (21), snap ring (31) with spout (32) concentric, snap ring (31) with the different centre of a circle of fixed cover (21), spacing tooth (34) are equipped with a plurality ofly, and a plurality of cross-sections are the triangle-shaped structure spacing tooth (34) become parallel relation of each other and are fixed in snap ring (31) are close to the inside one end of fixed cover (21).

2. The pressure resistant plastic pipe joint according to claim 1, wherein: seal structure (4) are equipped with two, two seal structure (4) are the symmetric relation and all locate the inside of solid fixed pipe (1), two seal structure (4) all include water inlet (41), water course (42), rubber circle (43) and rubber sleeve (44), water inlet (41) are equipped with a plurality ofly, and a plurality of cross-sections are loudspeaker column structure water inlet (41) are all located the inside of solid fixed pipe (1), curved rubber circle (43) are located the both ends of solid fixed pipe (1), the inside of rubber circle (43) is equipped with inside hollow rubber sleeve (44), rubber sleeve (44) pass through water course (42) with water inlet (41) communicate with each other.

3. The pressure resistant plastic pipe joint according to claim 1, wherein: filtration (5) are including spacing ring (51), first filter screen (52) and second filter screen (53), spacing ring (51) are located the inside of fixed pipe (1), just spacing ring (51) with fixed pipe (1) threaded connection the inside both ends of spacing ring (51) are the symmetric relation and are equipped with two second filter screen (53), and two second filter screen (53) are semi-circular structure, the inside of spacing ring (51) is equipped with a plurality ofly first filter screen (52), and a plurality of first filter screen (52) are wavy structure.