CN218094831U - Compression molding sealed rubber pipe joint - Google Patents

Abstract

The utility model discloses a compression molding sealing rubber pipe joint in the technical field of rubber pipe joints, which comprises a rubber pipe component, a joint component and a connecting component; the connecting component comprises a connecting pipe and an internal thread sleeve; the internal thread sleeve is fixedly arranged at one end of the inner side of the connecting pipe, the other end of the inner side of the connecting pipe is provided with a thread groove, the rubber pipe assembly is matched with the thread groove, and the joint assembly is matched with the internal thread sleeve. The utility model discloses can be so that first sealed head and the sealed first mutual extrusion sealing washer of third, this leakproofness between just can improving first sealed head and the sealed head of third greatly, owing to adopt screw-thread fit's mode fixed, so interior hose layer and connect between leakproofness and stability, greatly increased the life of rubber tube.

Description

Compression molding sealed rubber pipe joint

Technical Field

The utility model relates to a rubber tube joint technical field specifically is a rubber tube joint that compression molding is sealed.

Background

The rubber pipe joint used on the drilling equipment of the oil field in the prior art is an important part for connecting and conveying high-pressure fluid; in production, the rubber pipe joint is usually manufactured by adopting a processing mode of vulcanization integral sealing or buckling connection sealing, and has the following defects: firstly, the vulcanization integral sealing is to inject a glue layer into the sleeve for curing, the manufacturing process is complex, and the production efficiency is low; the second is that the inner rubber tube layer and the inner core of the tube body are buckled, pressed and connected and sealed by extruding the surface of the sleeve to cause the inner Kong Sujin thereof; in the using process, as the time for storing the hose joint is long, the fastening force at the connecting and sealing part of the inner hose layer and the inner core is easy to loosen, so that the sealing property between the inner hose layer and the hose joint is unstable; when the rubber hose connector works, high-pressure fluid leaks outwards from the part with loose fastening force, so that the service life of the rubber hose connector is shortened, the whole rubber hose is scrapped when the rubber hose connector works seriously, and the production cost of a user is increased;

in contrast, chinese patent publication No. CN201620667392.1 discloses a "rubber hose joint sealed by compression molding", which includes an inner core, a joint and a sleeve, wherein the inner core and the sleeve fixedly connect a hose body; an inner rubber tube layer is sleeved in a central hole of an inner core, and the outer end part of the inner rubber tube layer is connected with the end face of the inner core through mould pressing, flanging and vulcanizing molding; the inner rubber tube layer and the excircle close to the outer end of the inner core are coated and connected with the framework layer, and the surface close to the outer end of the framework layer is connected with the outer rubber tube layer; the upper ring of the joint is sleeved with a sleeve which is tightly connected with the thread of the outer circle of the inner core through the thread of the inner hole of the sleeve, and the end face of the joint is pulled to extrude, lock and seal the flanging inner rubber tube layer on the end face of the inner core; the inner hole of the sleeve is sleeved on the end part of the outer rubber tube layer and the surface of the framework layer, and the inner end surface of the sleeve is compressed by extrusion, so that the convex-concave engagement teeth connected with the inner hole of the sleeve at intervals sequentially and fixedly buckle and press the end part of the outer rubber tube layer and the framework layer with the convex-concave engagement teeth connected with the outer circle of the inner core at intervals;

according to the sealing ring sealing device, the inner rubber tube layer is extruded to enable the sealing ring to be extruded and sealed, however, the extrusion sealing mode is unstable, and after the sealing ring sealing device is used for a long time, the extrusion force between the end face of the joint and the end face of the inner core is reduced, so that the sealing performance of the sealing ring is poor; based on this, the utility model designs a rubber tube joint that compression molding is sealed to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compression molding is sealed connects to solve the unstable problem of leakproofness between the interior hose layer that proposes and the hose connection among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a compression molding sealed rubber hose joint comprises a rubber hose component, a joint component and a connecting component; the connecting assembly comprises a connecting pipe and an internal thread sleeve; the rubber hose assembly is characterized in that the internal thread sleeve is fixedly arranged at one end of the inner side of the connecting pipe, a thread groove is formed in the other end of the inner side of the connecting pipe, the rubber hose assembly is matched with the thread groove, and the joint assembly is matched with the internal thread sleeve.

Preferably, the rubber tube assembly comprises an inner rubber tube layer, an outer rubber tube layer and a first sealing head; the outer rubber tube layer is fixedly arranged on the outer side of the inner rubber tube layer, the first sealing head is fixedly arranged at one end of the inner rubber tube layer, and the first sealing head is slidably arranged at one end of the inner side of the connecting tube.

Preferably, the hose assembly further comprises a first external thread sleeve and a second sealing head; the first external thread sleeve is fixedly arranged on the outer side of the outer rubber tube layer, the first external thread sleeve is in thread fit with the thread groove, and the second sealing head is fixedly arranged at the end part of the first external thread sleeve.

Preferably, the diameter of the second sealing head is the same as the outer diameter of the connecting pipe.

Preferably, the joint assembly comprises a joint, a second external thread bushing and a third sealing head; the third seal head is fixedly arranged at one end of the joint, the third seal head is slidably arranged on the inner side of the connecting pipe, and the second external thread sleeve is fixedly arranged on the outer side of the joint and is in thread fit with the internal thread sleeve.

Preferably, a sealing ring is installed between the third sealing head and the first sealing head, and the outer diameter of the sealing ring is the same as the inner diameter of the connecting pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses can be so that first sealed head and the sealed first mutual extrusion sealing washer of third, this leakproofness between just can improving first sealed head and the sealed head of third greatly, owing to adopt screw-thread fit's mode fixed, so interior hose layer and connect between leakproofness and stability, greatly increased the life of rubber tube.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic structural view of the rubber hose assembly of the present invention;

fig. 4 is a schematic structural view of the connection assembly of the present invention;

fig. 5 is a schematic structural view of the joint assembly of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

the rubber hose assembly comprises 1-a rubber hose assembly, 11-an inner rubber hose layer, 12-an outer rubber hose layer, 13-a first sealing head, 14-a first external thread sleeve, 15-a second sealing head, 2-a joint assembly, 21-a joint, 22-a second external thread sleeve, 23-a third sealing head, 3-a connecting assembly, 31-a connecting pipe, 32-an internal thread sleeve, 33-a sealing ring and 34-a thread groove.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a compression molding sealed rubber hose joint comprises a rubber hose component 1, a joint component 2 and a connecting component 3; the connecting assembly 3 comprises a connecting pipe 31 and an internal thread sleeve 32; the internal thread sleeve 32 is fixedly arranged at one end of the inner side of the connecting pipe 31, the other end of the inner side of the connecting pipe 31 is provided with a thread groove 34, the rubber pipe component 1 is matched with the thread groove 34, the joint component 2 is matched with the internal thread sleeve 32, the connecting component 3 can be arranged on the connecting component 3 through the matching of the head component 2 and the internal thread sleeve 32,

the rubber tube assembly 1 comprises an inner rubber tube layer 11, an outer rubber tube layer 12 and a first sealing head 13; the outer rubber tube layer 12 is fixedly arranged on the outer side of the inner rubber tube layer 11, the first sealing head 13 is fixedly arranged at one end of the inner rubber tube layer 11, and the first sealing head 13 is slidably arranged at one end of the inner side of the connecting tube 31.

The rubber hose assembly 1 further comprises a first external thread sleeve 14 and a second sealing head 15; the first external thread sleeve 14 is fixedly arranged on the outer side of the outer rubber tube layer 12, the first external thread sleeve 14 is in thread fit with the thread groove 34, and the second sealing head 15 is fixedly arranged at the end part of the first external thread sleeve 14; the second external thread sleeve 22 is in thread fit with the internal thread sleeve 32 by rotating the joint 21, so that the third sealing head 23 is in contact with the sealing ring 33, and the third sealing head 23 is enabled to perform extrusion sealing on the sealing ring 33;

the diameter of the second sealing head 15 is the same as the outer diameter of the connection pipe 31.

Wherein the joint assembly 2 comprises a joint 21, a second external threaded sleeve 22 and a third sealing head 23; the third sealing head 23 is fixedly arranged at one end of the joint 21, the third sealing head 23 is slidably arranged at the inner side of the connecting pipe 31, and the second external thread sleeve 22 is fixedly arranged at the outer side of the joint 21 and is in thread fit with the internal thread sleeve 32; the first external thread bushing 14 is screwed with the thread groove 34 by rotating the inner rubber tube layer 11 and the outer rubber tube layer 12, so that the first sealing head 13 is in contact with the sealing ring 33, and the first sealing head 13 is also used for extruding and sealing the sealing ring 33.

A seal ring 33 is installed between the third seal head 23 and the first seal head 13, and the outer diameter of the seal ring 33 is the same as the inner diameter of the connection pipe 31.

The installation process comprises the following steps: first, the second externally threaded sleeve 22 is screwed to the internally threaded sleeve 32 by rotating the joint 21, so that the third seal head 23 is brought into contact with the seal ring 33; then rotate interior hose layer 11 and outer hose layer 12 and make first external thread cover 14 and thread groove 34 screw-thread fit, this just makes first sealed head 13 and sealing washer 33 contact, and then makes first sealed head 13 and third sealed head 23 extrude sealing washer 33 each other, this leakproofness between first sealed head 13 and the third sealed head 23 that just can improve greatly, owing to adopt screw-thread fit's mode fixed, so interior hose layer 11 and the leakproofness between the joint 21 and stable, greatly increased the life of rubber tube.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides a compression molding sealed rubber tube connects which characterized in that: comprises a rubber pipe component (1), a joint component (2) and a connecting component (3); the connecting component (3) comprises a connecting pipe (31) and an internal thread sleeve (32); internal thread cover (32) fixed mounting is in the inboard one end of connecting pipe (31), thread groove (34) have been seted up to the inboard other end of connecting pipe (31), rubber tube component (1) and thread groove (34) cooperation, connect component (2) and internal thread cover (32) cooperation.

2. A compression molded sealing hose coupling as claimed in claim 1, wherein: the rubber tube assembly (1) comprises an inner rubber tube layer (11), an outer rubber tube layer (12) and a first sealing head (13); the fixed mounting of outer hose layer (12) is in the outside on interior hose layer (11), first sealing head (13) fixed mounting is in the one end on interior hose layer (11), first sealing head (13) slidable mounting is in the inboard one end of connecting pipe (31).

3. A compression molded sealing hose coupling as claimed in claim 2, wherein: the rubber tube assembly (1) further comprises a first external thread sleeve (14) and a second sealing head (15); the first external thread sleeve (14) is fixedly installed on the outer side of the outer rubber pipe layer (12), the first external thread sleeve (14) is in thread fit with the thread groove (34), and the second sealing head (15) is fixedly installed at the end portion of the first external thread sleeve (14).

4. A compression molded sealed hose coupling according to claim 3, wherein: the diameter of the second sealing head (15) is the same as the outer diameter of the connecting pipe (31).

5. A compression molded sealed hose coupling according to claim 4, wherein: the joint assembly (2) comprises a joint (21), a second external thread bushing (22) and a third sealing head (23); the third sealing head (23) is fixedly arranged at one end of the joint (21), the third sealing head (23) is slidably arranged on the inner side of the connecting pipe (31), and the second external thread sleeve (22) is fixedly arranged on the outer side of the joint (21) and is in thread fit with the internal thread sleeve (32).

6. A compression molded sealed hose coupling according to claim 5, wherein: a sealing ring (33) is installed between the third sealing head (23) and the first sealing head (13), and the outer diameter of the sealing ring (33) is the same as the inner diameter of the connecting pipe (31).

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