Length-adjustable flange pipe

Abstract

The utility model relates to the technical field of flange pipes, and discloses a length-adjustable flange pipe which comprises a flange pipe body, a limiting plate is fixedly installed at the left end of the inner side of the flange pipe body, and an adjusting pipe is movably installed between the limiting plate and the flange pipe body. The connecting flange plate at the left end of the flange pipe body is fixedly connected with the corresponding pipeline through the bolt, then adjustment is carried out according to the distance between the right end of the adjusting pipe and the connecting pipeline, and at the moment, the adjusting pipe is extruded, so that the adjusting pipe is telescopically adjusted on the inner side of the movable cavity; then a connecting flange plate at one end of an adjusting pipe is fixedly connected with a connecting pipe, a fixing sleeve and a rubber sealing ring are conveniently and reversely pushed to be tightly attached to the connecting pipe through a spring, the connecting integrating degree can be improved, adjusting is convenient and fast, and multi-length adjusting use can be conducted; not only is the adjusting sensitivity improved, but also the overall stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to flange pipe technical field, concretely is a flange pipe of adjustable length. BACKGROUND

[0002] Flange pipe fitting is a kind of welded pipe fitting, such pipe fitting is used to match with pipeline, has processing, also has not processing, some castings, flange is casted together, and welded is post-processing, factory can process, also can process in construction site, there are big head flange fittings, there are elbow, tee flange fittings, and its material is also various, there are carbon steel, alloy steel, stainless steel etc.

[0003] According to retrieval, Chinese patent document, announcement number: CN209278683U, discloses a kind of flange pipe of adjustable length, by the setting of connecting base pipe and movable flange pipe, can play the effect of adjusting flange length, by the setting of ball and ball groove, can play the effect of convenient, by the setting of water baffle and end cover, can play the effect of the space that ball is in sealed effect.But in the process of using, due to the setting of ball groove, although water stop rubber ring can play the effect of water stop under the action, but the wear amount is larger when adjusting use and rotating fixed, in turn lead to the decrease of sealing property, service life is shorter, while the setting of multiple ball, lead to the length of adjustable length is shorter, use range is smaller. UTILITY MODEL CONTENT

[0004] (One) technical problem solved

[0005] In view of the deficiencies of prior art, the utility model provides a kind of flange pipe of adjustable length, with multiple length adjustment use, improve use range, and water stop effect and wear amount are smaller, improve service life and the advantage of sealing property, solve the above technical problem.

[0006] (Two) technical scheme

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of flange pipe of adjustable length, including flange pipe body, the left end of the inner side of the flange pipe body is fixedly installed with limit stop, movable mounting is equipped with adjusting pipe between the limit stop and flange pipe body, sealing seat is provided between the left end of the adjusting pipe and the flange pipe body, the right end of the adjusting pipe is provided with connecting flange plate, and the right end of the flange pipe body is connected with extrusion seat by screw thread.

[0008] Preferably, the flange pipe body is provided with movable cavity, the left end of the flange pipe body is provided with connecting flange plate, and the outer side of the right end of the flange pipe body is provided with external thread, the adjusting pipe and movable cavity are movably installed on the inner side of movable cavity respectively.

[0009] Through the technical scheme, under the action of the movable cavity, the adjusting pipe is conveniently adjusted in extension and retraction, and under the action of the external thread, the extrusion seat is conveniently connected and fixed.

[0010] Preferably, the limiting plates are L-shaped structures, and three limiting plates are arranged in a ring shape at equal intervals, and limiting grooves are formed in the outer sides of the limiting plates.

[0011] Through the technical scheme, under the action of the three limiting plates arranged in a ring shape at equal intervals, the adjusting pipe is conveniently limited and supported, and the overall stability is improved, and under the action of the limiting grooves, the adjusting pipe is conveniently guided and limited.

[0012] Preferably, a connecting sleeve is fixedly installed at the middle position of the inner side of the adjusting pipe, balls are movably installed in the inner side of the connecting sleeve, and balls are movably installed in the inner side of the limiting groove.

[0013] Through the technical scheme, during adjustment and use, under the action of the balls, the adjusting pipe is conveniently slid in the inner side of the limiting groove, and the adjustment sensitivity, the overall stability and the stability during movement are improved.

[0014] Preferably, a base is fixedly installed on the left side of the sealing seat, the base is a circular structure, a plurality of springs are fixedly installed between the left side of the base and the movable cavity, and the adjusting pipe is installed on the right side of the sealing seat through clamping.

[0015] Through the technical scheme, during adjustment of the length, since the sealing seat and the adjusting pipe are in an extrusion clamping structure, the connecting position is conveniently sealed, the sealing property and the water stopping effect are improved, and under the extrusion action, the springs generate a reaction force on the fixing sleeve and the rubber sealing ring, so that the tightness between the sealing seat and the adjusting pipe and the service life are improved.

[0016] Preferably, a rubber sealing ring is fixedly installed at the inner end of the left side of the extrusion seat, the rubber sealing ring is clamped in the inner side of the gap between the flange pipe body and the adjusting pipe through extrusion, a fixing sleeve is fixedly installed at the outer end of the left side of the extrusion seat, and an internal thread is formed in the inner side of the fixing sleeve.

[0017] Through the technical scheme, during installation, the extrusion seat is connected and fixed with the right end of the flange pipe body, and under the action of the rubber sealing ring, the gap between the flange pipe body and the adjusting pipe is extruded and clamped, and the sealing property is further improved.

[0018] Compared with the prior art, the flange pipe with adjustable length has the following beneficial effects:

[0019] 1. The utility model discloses a flange pipe body left end's connecting flange disc is connected with corresponding pipeline through bolt and is fixed, and then according to the distance between the adjusting tube right end and connecting pipeline is adjusted, at this time, through extruding adjusting tube, so that adjusting tube is telescopic adjustment in the inboard of movable cavity, and then the connecting flange disc of adjusting tube one end is connected with the fixed connection of connecting pipe, in this process, through the spring, the fixed sleeve and rubber sealing ring are conveniently pushed and connected pipe, be favorable to improving the connection degree of agreement, and the adjustment is convenient and fast, can carry out the length adjustment use, and in the adjustment process, under the action of ball, limit groove and limit board, not only improve the adjustment sensitivity, and improve the stability of whole simultaneously,

[0020] 2. The utility model discloses through the right end connection fixed of extruding seat and flange pipe body, further improve the leakproofness, in the process of adjusting length, because sealing seat and adjusting tube are extruding and engaging structure, to be favorable to the sealing treatment of connecting position, improve the leakproofness and water stop effect, and under the extruding effect, spring produces the reaction force to fixed sleeve and rubber sealing ring, be favorable to improving the compactness between sealing seat and adjusting tube and service life, and the adjustment is simple to use, and the overall wear amount is less. DRAWINGS

[0021] Figure 1 It is the three-dimensional structure schematic diagram of the whole of the utility model;

[0022] Figure 2 It is the explosion three-dimensional structure schematic diagram of the utility model;

[0023] Figure 3 It is the front view cross section structure schematic diagram of the utility model;

[0024] Figure 4 It is the left view structure schematic diagram of the utility model;

[0025] Figure 5 It is the rear view structure schematic diagram of the utility model.

[0026] Among them: 1, flange pipe body;2, limit board;3, adjusting tube;4, sealing seat;5, connecting flange disc;6, extruding seat;101, movable cavity;201, limit groove;301, connecting sleeve;401, base;402, spring;601, rubber sealing ring;602, fixed sleeve. DETAILED DESCRIPTION

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Example 1:

[0029] like Figures 1-5 As shown, the present invention provides an adjustable length flange pipe, including a flange pipe body 1, a limiting plate 2 fixedly installed on the left end of the inner side of the flange pipe body 1, an adjusting pipe 3 movably installed between the limiting plate 2 and the flange pipe body 1, a sealing seat 4 provided between the left end of the adjusting pipe 3 and the flange pipe body 1, a connecting flange 5 provided at the right end of the adjusting pipe 3, and a compression seat 6 connected to the right end of the flange pipe body 1 by a thread.

[0030] Specifically, the flange body 1 has a movable cavity 101, a connecting flange 5 is provided at the left end of the flange body 1, and an external thread is provided on the outer side of the right end of the flange body 1. The adjusting pipe 3 and the movable cavity 101 are respectively movably installed inside the movable cavity 101. Specifically, the movable cavity 101 facilitates the extension and retraction adjustment of the adjusting pipe 3, and the external thread facilitates the connection and fixing of the compression seat 6.

[0031] Specifically, the limiting plate 2 has an L-shaped structure, and there are a total of three limiting plates 2, which are arranged in a ring at equal intervals. Each limiting plate 2 has a limiting groove 201 on its outer side. Specifically, the three ring-shaped limiting plates 2 arranged at equal intervals facilitate the limiting and support of the adjusting pipe 3, improve the overall stability, and facilitate the guiding and limiting of the adjusting pipe 3 under the action of the limiting grooves 201.

[0032] Specifically, a connecting sleeve 301 is fixedly installed at the middle position of the inner side of the adjusting tube 3. A ball bearing is movably installed on the inner side of the connecting sleeve 301, and a ball bearing is also movably installed on the inner side of the limiting groove 201. Specifically, by the ball bearing sliding on the inner side of the limiting groove 201, not only is the adjustment sensitivity improved, but the overall stability and stability during movement are also improved.

[0033] Example 2:

[0034] like Figures 1-5As an improvement to the previous embodiment, the left side of the sealing seat 4 is fixedly installed with a base 401, the base 401 is in a circular structure, and a plurality of springs 402 are fixedly installed between the left side of the base 401 and the movable cavity 101, and the right side of the sealing seat 4 is installed with the adjusting pipe 3 through clamping. Specifically, since the sealing seat 4 and the adjusting pipe 3 are in an extrusion clamping structure, it is beneficial to seal the connection position, improve the sealing performance and water stopping effect, and under the extrusion action, the spring 402 generates a counterforce on the fixed sleeve 602 and the rubber sealing ring 601, which is beneficial to improve the tightness and service life between the sealing seat 4 and the adjusting pipe 3.

[0035] Specifically, the inner end of the left side of the extrusion seat 6 is fixedly installed with a rubber sealing ring 601, the rubber sealing ring 601 is clamped in the gap between the flange pipe body 1 and the adjusting pipe 3 through extrusion, the outer end of the left side of the extrusion seat 6 is fixedly installed with a fixed sleeve 602, and the inner side of the fixed sleeve 602 is provided with an internal thread. Specifically, the right end of the flange pipe body 1 is connected and fixed by rotating the extrusion seat 6, which is beneficial to extrude and clamp the gap between the flange pipe body 1 and the adjusting pipe 3 under the action of the rubber sealing ring 601, and further improve the sealing performance.

[0036] In use, the connecting flange plate 5 at the left end of the flange pipe body 1 is connected and fixed with the corresponding pipeline through bolts, and then the distance between the right end of the adjusting pipe 3 and the connecting pipeline is adjusted, at this time the adjusting pipe 3 is extruded to stretch and contract inside the movable cavity 101, and then the connecting flange plate 5 at one end of the adjusting pipe 3 is connected and fixed with the connecting pipe, in this process, the fixed sleeve 602 and the rubber sealing ring 601 are conveniently pushed to tightly adhere to the connecting pipe through the spring 402, which is beneficial to improve the connection fit degree, and the adjustment is convenient and fast, and can be used for multi-length adjustment, and in the adjustment process, the adjustment sensitivity and the overall stability are improved under the action of the ball, the limiting groove 201 and the limiting plate 2, then the right end of the flange pipe body 1 is connected and fixed by rotating the extrusion seat 6, which further improves the sealing performance, and in the process of adjusting the length, since the sealing seat 4 and the adjusting pipe 3 are in an extrusion clamping structure, it is beneficial to seal the connection position, improve the sealing performance and water stopping effect, and under the extrusion action, the spring 402 generates a counterforce on the fixed sleeve 602 and the rubber sealing ring 601, which is beneficial to improve the tightness and service life between the sealing seat 4 and the adjusting pipe 3, the adjustment and use are simple, and the overall wear is small.

[0037] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An adjustable length flange pipe comprising a flange pipe body (1), characterized in that: The left end of the flange pipe body (1) is fixedly provided with a limiting plate (2), the limiting plate (2) and the flange pipe body (1) are movably provided with an adjusting pipe (3), the left end of the adjusting pipe (3) and the flange pipe body (1) are provided with a sealing seat (4), the right end of the adjusting pipe (3) is provided with a connecting flange (5), and the right end of the flange pipe body (1) is threadedly connected with an extrusion seat (6).

2. An adjustable length flange as defined in claim 1, wherein: The flange pipe body (1) is provided with a movable cavity (101), the left end of the flange pipe body (1) is provided with a connecting flange (5), the right end of the flange pipe body (1) is provided with an external thread, and the adjusting pipe (3) and the movable cavity (101) are movably arranged in the movable cavity (101).

3. An adjustable length flange as defined in claim 1, wherein: The limiting plate (2) is in an L-shaped structure, and three limiting plates (2) are arranged in a ring shape at equal intervals, and the outer side of the limiting plate (2) is provided with a limiting groove (201).

4. An adjustable length flange as defined in claim 3, wherein: The inner side of the adjusting pipe (3) is fixedly provided with a connecting sleeve (301) at the middle position, the inner side of the connecting sleeve (301) is movably provided with a ball, and the inner side of the limiting groove (201) is movably provided with a ball.

5. An adjustable length flange as defined in claim 2, wherein: The left side of the sealing seat (4) is fixedly provided with a base (401), the base (401) is in a circular structure, a plurality of springs (402) are fixedly arranged between the left side of the base (401) and the movable cavity (101), and the right side of the sealing seat (4) is movably provided with the adjusting pipe (3).

6. An adjustable length flange as defined in claim 1, wherein: The left side of the extrusion seat (6) is fixedly provided with a rubber sealing ring (601), the rubber sealing ring (601) is extruded and clamped in the gap between the flange pipe body (1) and the adjusting pipe (3), the left side of the extrusion seat (6) is fixedly provided with a fixed sleeve (602), and the inner side of the fixed sleeve (602) is provided with an internal thread.

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