High-leakproofness ferrule type pipe joint

Abstract

The utility model discloses a ferrule type pipe joint with high leakproofness, which relates to the technical field of pipe joints and comprises a joint body and a sealing component, the joint body is of an integrated structure, and two groups of sealing ferrules are symmetrically arranged at two ends of the inner side of the joint body. The outer surfaces of the two ends of the connector body are in threaded connection with fixing nuts, the two sets of fixing nuts are symmetrically arranged, the sealing assembly is arranged on the surface of the connector body, and the sealing assembly comprises a sealing protection pipe sleeve, an annular clamping groove, a clamping sealing ring, a sealing gasket, a sealing protection film and an elastic sealing ring. The sealing protection pipe sleeve is arranged on the inner surface of the connector body. According to the clamping sleeve type pipe joint with the high leakproofness, the leakproofness of the whole pipe joint can be improved through a multi-sealing structure by means of the sealing assembly, connection of the joint body and the nut can be fixed and limited by means of the device through the reinforcing assembly, and the clamping sleeve type pipe joint is prevented from loosening in the using process.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipe joint technical field, concretely is a high close -fitted sleeve type pipe joint. BACKGROUND

[0002] The close -fitted sleeve type pipe joint is a new type of pipeline connecting element, and is widely used in the pipeline system of oil, gas and other media, and is particularly suitable for occasions with combustion danger, high-altitude operation and frequent assembly and disassembly. Because of its advanced structure, convenient use and good sealing performance, it is widely used in mechanical products. However, the current close -fitted sleeve type pipe joint still has the following shortcomings:

[0003] The patent file with publication number CN212868823U discloses a close -fitted sleeve type pipe joint. The close -fitted sleeve type pipe joint adopts the technical feature of setting a gasket in the pipeline interface, so that the pipeline can be smoothly connected to the inner wall of the joint body, and the dead angle is avoided, but it does not have a better sealing structure, resulting in poor overall tightness.

[0004] Therefore, in view of the above, the existing structure is improved, and a high close -fitted sleeve type pipe joint is provided. INVENTION CONTENTS

[0005] The utility model aims at providing a high close -fitted sleeve type pipe joint to solve the problems in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a high close -fitted sleeve type pipe joint, including joint body and sealing assembly, the joint body is integrated structure, and the both ends of the inner side of joint body are provided with sealing sleeve, and sealing sleeve is provided with two groups symmetrically, the outer surface of the both ends of joint body is connected with fixed nut, and fixed nut is provided with two groups symmetrically, the sealing assembly is arranged on the surface of joint body, and the sealing assembly includes sealing protection pipe sleeve, annular clamping groove, clamping sealing ring, sealing gasket, sealing protection film and elastic sealing ring, the sealing protection pipe sleeve is arranged on the inner surface of joint body, and the outer surface of sealing protection pipe sleeve is tightly connected with the inner surface of joint body, the surface of both sides of joint body is provided with annular clamping groove.

[0007] Further, the annular clamping groove is clamped and connected with the clamping sealing ring, and the outer surface of the clamping sealing ring is provided with the sealing gasket.

[0008] Further, the outer surface of the sealing sleeve is provided with the sealing protection film, and the inner surface of the sealing protection film is adhesively connected with the outer surface of the sealing sleeve.

[0009] Further, the inner side of the fixed nut is provided with an elastic sealing ring, and the elastic sealing ring is provided with two groups corresponding to the fixed nut.

[0010] Further, the fixed nut is an integrated structure, and the surface of the fixed nut is provided with a reinforcing assembly for reinforcement.

[0011] Further, the reinforcing assembly comprises a fixed plate, a limiting groove, an arc-shaped limiting piece, a limiting disc and a reinforcing connecting rod, the fixed plate is arranged on the front surface of the fixed nut, the outer side surface of the fixed plate is provided with the limiting groove, the arc-shaped limiting piece is connected with the limiting groove on the inner side, the outer side surface of the arc-shaped limiting piece is provided with the limiting disc, and the right surface of the limiting disc is provided with the reinforcing connecting rod.

[0012] Further, the reinforcing assembly further comprises a connecting plate and an internally threaded fixing cylinder, the connecting plate is arranged on the front surface of the joint body, and the inner sides of the connecting plate and the fixed plate are slidably connected with the reinforcing connecting rod, the right end surface of the reinforcing connecting rod is provided with a threaded structure, and the right end of the reinforcing connecting rod is threadedly connected with the internally threaded fixing cylinder.

[0013] Further, the front side upper end surface of the fixed nut is provided with an auxiliary installation groove, and the auxiliary installation groove is threadedly connected with the right end of the reinforcing connecting rod on the inner side.

[0014] The utility model provides a high tightness's sleeve type pipe joint has the following beneficial effects:

[0015] 1, the utility model discloses a sealing assembly is provided, and the sealing assembly includes sealing protection pipe sleeve, annular clamping groove, clamping sealing ring, sealing gasket, sealing protection film and elastic sealing ring, when using, through the clamping of the clamping sealing ring and the inside of annular clamping groove, the sealing gasket is arranged on the both sides surface of joint body, makes the connection of joint body and both end fixed nut more strong, and the tightness of sealing protection pipe sleeve can strengthen the inside of pipe and joint body, and the setting of sealing protection film can further improve the tightness of sealing sleeve and the inside of joint body, and elastic sealing ring can enhance the tightness of pipe and fixed nut connecting place, so that the device can pass through multiple sealing structure, improve the tightness of pipe joint whole.

[0016] 2, The utility model discloses a set up reinforcing assembly, and the reinforcing assembly includes fixed plate, limit groove, arc limit piece, limit disc and reinforcing connecting rod, and the reinforcing assembly still includes connecting plate and internal thread fixed cylinder, when using, the reinforcing connecting rod is inserted into the inboard of fixed plate and connecting plate, and the joint body and fixed nut after connecting are limited, and the reinforcing connecting rod is fixed through the clamping connection of arc limit piece and the inboard of limit groove, and the reinforcing connecting rod is further limited through the threaded connection of internal thread fixed cylinder and one end of reinforcing connecting rod, prevents its loosening and falling, thereby making the device can fix the connection of joint body and nut, prevents its loosening in the use. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a sealing assembly solid structure schematic diagram of the utility model discloses a high close -fitted sleeve type pipe joint.

[0018] Fig. 2 It is a solid structure schematic diagram of the utility model discloses a high close -fitted sleeve type pipe joint.

[0019] Fig. 3 It is a reinforcing assembly solid structure schematic diagram of the utility model discloses a high close -fitted sleeve type pipe joint.

[0020] In the drawing: 1, joint body;2, sealing sleeve;3, fixed nut;4, sealing assembly;401, sealing protection pipe cover;402, annular clamping groove;403, clamping sealing ring;404, sealing gasket;405, sealing protection film;406, elastic sealing ring;5, reinforcing assembly;501, fixed plate;502, limit groove;503, arc limit piece;504, limit disc;505, reinforcing connecting rod;506, connecting plate;507, internal thread fixed cylinder;6, auxiliary installation groove. DETAILED DESCRIPTION

[0021] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0022] As Figs. 1-3As shown, a high-tightness sleeve type pipe joint includes a joint body 1 and a sealing assembly 4. The joint body 1 is an integrated structure, and two sealing sleeves 2 are arranged symmetrically on the inner side of the joint body 1. The outer surfaces of the two ends of the joint body 1 are threadedly connected with two groups of fixing nuts 3. The sealing assembly 4 is arranged on the surface of the joint body 1 and includes a sealing protection sleeve 401, an annular clamping groove 402, a clamping sealing ring 403, a sealing gasket 404, a sealing protection film 405 and an elastic sealing ring 406. The sealing protection sleeve 401 is arranged on the inner surface of the joint body 1, and the outer surface of the sealing protection sleeve 401 is tightly connected with the inner surface of the joint body 1. The surfaces on both sides of the joint body 1 are provided with the annular clamping grooves 402.

[0023] Specific operation is as follows. In use, the clamping sealing ring 403 is clamped and connected with the annular clamping groove 402, the sealing gasket 404 is arranged on the surfaces on both sides of the joint body 1, the connection between the joint body 1 and the fixing nuts 3 at both ends is more tightly sealed, the sealing protection sleeve 401 can enhance the tightness of the connection between the inner end of the pipeline and the inner side of the joint body 1, the sealing protection film 405 can further improve the tightness of the connection between the sealing sleeve 2 and the inner side of the joint body 1, and the elastic sealing ring 406 can enhance the tightness of the connection between the pipeline and the fixing nut 3.

[0024] Please refer to Figs. 2-3 The clamping sealing ring 403 is clamped and connected with the inner side of the annular clamping groove 402, the outer side surface of the clamping sealing ring 403 is provided with the sealing gasket 404, the outer surface of the sealing sleeve 2 is provided with the sealing protection film 405, the inner surface of the sealing protection film 405 is adhesively connected with the outer surface of the sealing sleeve 2, the inner side outer end surface of the fixing nut 3 is provided with the elastic sealing ring 406, the elastic sealing ring 406 is arranged in two groups corresponding to the fixing nut 3, the fixing nut 3 is an integrated structure, the surface of the fixing nut 3 is provided with a reinforcing assembly 5 for reinforcement, the reinforcing assembly 5 includes a fixed plate 501, a limiting groove 502, an arc-shaped limiting piece 503, a limiting disc 504 and a reinforcing connecting rod 505, the fixed plate 501 is arranged on the front surface of the fixing nut 3, the limiting groove 502 is arranged on the outer side surface of the fixed plate 501, the arc-shaped limiting piece 503 is clamped and connected with the inner side of the limiting groove 502, the limiting disc 504 is mounted on the outer side surface of the arc-shaped limiting piece 503, and the limiting disc 504 is provided with the reinforcing connecting rod 505 on the right surface, the reinforcing assembly 5 further includes a connecting plate 506 and an internally-threaded fixing cylinder 507, the connecting plate 506 is mounted on the front surface of the joint body 1, the inner sides of the connecting plate 506 and the fixed plate 501 are slidably connected with the reinforcing connecting rod 505, the right end surface of the reinforcing connecting rod 505 is provided with a threaded structure, and the right end of the reinforcing connecting rod 505 is threadedly connected with the internally-threaded fixing cylinder 507, and the front side upper end surface of the fixing nut 3 is provided with an auxiliary mounting groove 6, and the inner side of the auxiliary mounting groove 6 is threadedly connected with the right end of the reinforcing connecting rod 505.

[0025] Specific operation as follows, use, can be through the reinforced connecting rod 505 one end and the inside of the auxiliary installation groove 6 thread connection, the reinforced connecting rod 505 is fixed on the fixed nut 3, through the reinforced connecting rod 505 can be auxiliary screw fixed nut 3, improve the stability of pipeline connection, again the reinforced connecting rod 505 is taken down, inserted into the inside of the fixed plate 501 and the connecting plate 506, the joint body 1 and the fixed nut 3 after connection are positioned, through the arc limiting piece 503 and the inside of the limiting groove 502 the engagement connection, the reinforced connecting rod 505 is fixed, through the internal thread fixing cylinder 507 and the thread connection of one end of the reinforced connecting rod 505, the reinforced connecting rod 505 is further positioned to prevent it from falling off.

[0026] Summarized above, as shown in the figure, Figs. 1-3 The high-tightness sleeve pipe joint, in use, first, through the engagement connection of the sealing ring 403 and the inside of the annular clamping groove 402, the sealing gasket 404 is arranged on the surface of the joint body 1 on both sides, so that the connection between the joint body 1 and the fixed nut 3 at both ends is more airtight, the sealing protection sleeve 401 can strengthen the tightness of the connection between the inner end of the pipeline and the inside of the joint body 1, the arrangement of the sealing protection film 405 can further improve the airtightness of the connection between the sealing sleeve 2 and the inside of the joint body 1, and the elastic sealing ring 406 can enhance the airtightness of the connection between the pipeline and the fixed nut 3, then, the reinforced connecting rod 505 can be fixed on the fixed nut 3 through the thread connection of one end of the reinforced connecting rod 505 and the inside of the auxiliary installation groove 6, the reinforced connecting rod 505 can assist in tightening the fixed nut 3, improving the stability of the pipeline connection, and then the reinforced connecting rod 505 is taken down and inserted into the inside of the fixed plate 501 and the connecting plate 506 to position the joint body 1 and the fixed nut 3 after connection, the reinforced connecting rod 505 is fixed through the engagement connection of the arc limiting piece 503 and the inside of the limiting groove 502, the reinforced connecting rod 505 is further positioned through the thread connection of the internal thread fixing cylinder 507 and one end of the reinforced connecting rod 505 to prevent it from falling off.

[0027] The embodiments of the present application are given for the purpose of illustration and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to better illustrate the principles and actual applications of the present application, and to enable those of ordinary skill in the art to understand the present application so as to design various embodiments with various modifications for specific purposes.

Claims

1. A high-tightness ferrule-type pipe joint comprising a joint body (1) and a sealing assembly (4), characterized in that: The joint body (1) is an integrated structure, and the two ends of the inner side of the joint body (1) are provided with sealing sleeves (2), and the sealing sleeves (2) are symmetrically provided with two groups, the outer surfaces of the two ends of the joint body (1) are threadedly connected with fixing nuts (3), and the fixing nuts (3) are symmetrically provided with two groups, the sealing assembly (4) is arranged on the surface of the joint body (1), and the sealing assembly (4) comprises a sealing protective sleeve (401), an annular clamping groove (402), a clamping sealing ring (403), a sealing gasket (404), a sealing protective film (405) and an elastic sealing ring (406), the sealing protective sleeve (401) is arranged on the inner surface of the joint body (1), and the outer surface of the sealing protective sleeve (401) is tightly connected with the inner surface of the joint body (1), and the surfaces of the two sides of the joint body (1) are provided with annular clamping grooves (402).

2. The high leakproofness of the ferrule type pipe joint according to claim 1, wherein The annular clamping groove (402) is clamped and connected with the clamping sealing ring (403) on the inner side, and the outer surface of the clamping sealing ring (403) is provided with a sealing gasket (404).

3. The high leakproofness ferrule type pipe joint according to claim 1, wherein The outer surface of the sealing sleeve (2) is provided with a sealing protective film (405), and the inner surface of the sealing protective film (405) is adhesively connected with the outer surface of the sealing sleeve (2).

4. The high leakproofness ferrule type pipe joint according to claim 1, wherein The inner side of the fixing nut (3) is provided with an elastic sealing ring (406) on the outer end surface, and the elastic sealing ring (406) is provided with two groups corresponding to the fixing nut (3).

5. The high closure cardigan type pipe joint according to claim 1, wherein The fixing nut (3) is an integrated structure, and the surface of the fixing nut (3) is provided with a reinforcing assembly (5) for reinforcement.

6. A high closure ferrule style pipe coupling in accordance with claim 5 wherein, The reinforcing assembly (5) comprises a fixed plate (501), a limiting groove (502), an arc-shaped limiting piece (503), a limiting disc (504) and a reinforcing connecting rod (505), and the fixed plate (501) is arranged on the front surface of the fixing nut (3), the outer surface of the fixed plate (501) is provided with a limiting groove (502), and the limiting groove (502) is clamped and connected with the arc-shaped limiting piece (503) on the inner side, the outer surface of the arc-shaped limiting piece (503) is mounted with a limiting disc (504), and the right surface of the limiting disc (504) is provided with a reinforcing connecting rod (505).

7. A high closure ferrule style pipe coupling in accordance with claim 6 wherein, The reinforcing assembly (5) further comprises a connecting plate (506) and an internally-threaded fixing cylinder (507), and the front surface of the joint body (1) is mounted with a connecting plate (506), and the inner sides of the connecting plate (506) and the fixed plate (501) are slidably connected with the reinforcing connecting rod (505), the right end surface of the reinforcing connecting rod (505) is provided with a threaded structure, and the right end of the reinforcing connecting rod (505) is threadedly connected with an internally-threaded fixing cylinder (507).

8. The high closure cardigan type pipe joint according to claim 1, wherein The front side upper end surface of the fixing nut (3) is provided with an auxiliary mounting groove (6), and the right end of the reinforcing connecting rod (505) is threadedly connected with the auxiliary mounting groove (6) on the inner side.

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