Butt-joint sealing mechanism for corrugated pipes

Abstract

The utility model discloses a corrugated pipe butt-joint sealing mechanism which comprises corrugated pipes, a butt-joint sealing mechanism and a butt-joint sealing mechanism. The opposite ends of the corrugated pipe are connected with a first connector and a second connector correspondingly, the first connector and the second connector are concentrically arranged, a plurality of elastic clamping mechanisms are installed at the end of the first connector in an annular array in a penetrating and inserting mode, and the second connector is sleeved with an elastic supporting mechanism. An inner pipe is fixedly sleeved with one end of the second connector. The arrangement mode that the elastic clamping mechanism and the elastic supporting mechanism are matched is utilized, the elastic clamping mechanism is inserted between the first connector and the inner pipe in a penetrating mode, and therefore the relative positions of the first connector and the second connector can be clamped and positioned conveniently; the multiple elastic clamping mechanisms can be pushed and clamped at the same time, so that the butt joint between the two corrugated pipes is faster, and the operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of butt joint mechanisms, in particular to a bellows butt joint sealing mechanism. Background Art

[0002] A bellows is a pipe structure with a corrugated shape, usually made of materials such as metal or plastic. Due to its special structure and material properties, bellows have many applications in engineering and construction. Bellows can provide a flexible connection method and are suitable for use in pipes in temperature changes or vibration environments. They can reduce the stress caused by temperature expansion or vibration in the pipe system, thereby extending the service life of the pipe.

[0003] In the connection between bellows, flanges are generally used for docking. Flange connections usually require multiple bolts and nuts to fix the connection, and the number of these bolts is usually large, especially on larger diameter pipes. It takes considerable time and effort to tighten each bolt, which results in the bellows being connected by bolting the flange, which is cumbersome, time-consuming and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a bellows butt sealing mechanism to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bellows butt sealing mechanism, comprising:

[0006] Bellows, the bellows are arranged opposite to each other;

[0007] The opposite ends of the corrugated tube are respectively connected to a first connector and a second connector, the first connector and the second connector are concentrically arranged, a plurality of elastic clamping mechanisms are installed in a circular array on the end of the first connector, an elastic supporting mechanism is sleeved on the outside of the second connector, an inner tube is fixedly sleeved on one end of the second connector, and the elastic clamping mechanism is used for inserting and positioning the inner tube to achieve docking of the relative positions of the first connector and the second connector.

[0008] Preferably, the elastic clamping mechanism comprises:

[0009] An interpenetrating card block, wherein the interpenetrating card block is slidably interpenetratingly connected with the first connector, an extension line of the interpenetrating card block is perpendicular to the axis of the first connector, a plurality of card slots are provided in an annular array on the outer wall of the inner tube, and one end of the interpenetrating card block cooperates with the inner cavity of the card slot;

[0010] The elastic support component is provided with a plurality of cavities in a circular array on the first connector, the elastic support component is installed inside the cavity, and the elastic support component is connected to the insertion card block.

[0011] Preferably, the elastic support assembly comprises:

[0012] A slider, one end of which is fixedly connected to the insertion clamping block, and the slider is slidably disposed inside the cavity;

[0013] A guide rod, the guide rod is fixedly installed inside the cavity, the guide rod is slidably interlaced with the slider, and the guide rod is arranged in parallel with the interlaced clamping block;

[0014] A first spring is movably sleeved on the outside of the guide rod.

[0015] Preferably, the elastic support mechanism comprises:

[0016] A first fixing ring, wherein the first fixing ring is fixedly sleeved on the outside of the second connector;

[0017] A second spring, wherein the second spring is sleeved on the outside of the second connector;

[0018] A sleeve, wherein the sleeve is slidably mounted on the outside of the second connector, and the second spring is disposed between the first fixing ring and the sleeve;

[0019] The second fixing ring is arranged at the end of the sleeve, and the second fixing ring is fixedly sleeved on the outside of the first connector.

[0020] Preferably, a guide mechanism is provided at the end of the inner tube, and the guide mechanism is sleeved with the end of the inner tube.

[0021] Preferably, the guiding mechanism comprises:

[0022] A connecting ring, the connecting ring is fixedly installed inside the first connecting head;

[0023] A sealing ring is fixedly mounted on one side of the connecting ring and sleeved inside the inner tube.

[0024] Preferably, sealing rings are sleeved on the outer wall of the sealing ring and the inner wall of the inner tube.

[0025] Technical effects and advantages of the utility model:

[0026] The utility model utilizes the setting mode of matching the elastic clamping mechanism and the elastic supporting mechanism, firstly compresses the elastic supporting mechanism, matches the inner tube to the inside of the first connecting head, makes the clamping groove on the inner tube correspond to the position of the elastic clamping mechanism, releases the external force applied to the elastic supporting mechanism, makes the elastic supporting mechanism slide and squeeze the multiple elastic clamping mechanisms at the same time, thereby can squeeze the end of the elastic clamping mechanism to the state of matching with the clamping groove, inserts the elastic clamping mechanism between the first connecting head and the inner tube, thereby facilitates the clamping and positioning of the relative position between the first connecting head and the second connecting head, and by operating the elastic supporting mechanism, can simultaneously push and clamp the multiple elastic clamping mechanisms, makes the docking between the two corrugated tubes faster, and is more convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0028] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0029] Figure 3 It is a schematic diagram of the internal structure of the elastic clamping mechanism of the utility model.

[0030] Figure 4 It is a structural schematic diagram of the guiding mechanism of the utility model.

[0031] In the figure: 1, bellows; 2, first connecting head; 3, second connecting head; 4, elastic clamping mechanism; 41, inserting clamping block; 42, sliding block; 43, guide rod; 44, first spring; 5, elastic supporting mechanism; 51, first fixing ring; 52, second spring; 53, sleeve; 54, second fixing ring; 6, inner tube; 7, guiding mechanism; 71, connecting ring; 72, sealing ring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The utility model provides Figure 1-4A bellows butt-jointing sealing mechanism shown in the figure comprises: a bellows 1, which are arranged opposite to each other; the opposite ends of the bellows 1 are respectively connected with a first connector 2 and a second connector 3, the first connector 2 and the second connector 3 are arranged concentrically, and the end of the first connector 2 is interspersed with a plurality of elastic clamping mechanisms 4 in a ring array, the outer sleeve of the second connector 3 is provided with an elastic supporting mechanism 5, and the inner fixed sleeve of one end of the second connector 3 is provided with an inner tube 6, and the elastic clamping mechanism 4 is used for inserting and positioning the inner tube 6 to achieve the butt joint of the relative positions of the first connector 2 and the second connector 3, and the elastic supporting mechanism 5 is first compressed , fit the inner tube 6 into the inside of the first connecting head 2 so that the slot on the inner tube 6 corresponds to the position of the elastic snap-fit ​​mechanism 4, and then release the external force applied to the elastic support mechanism 5, so that the elastic support mechanism 5 can slide and squeeze multiple elastic snap-fit ​​mechanisms 4 at the same time, so that the end of the elastic snap-fit ​​mechanism 4 can be squeezed to a state of mutual cooperation with the slot, and the elastic snap-fit ​​mechanism 4 is inserted between the first connecting head 2 and the inner tube 6, so as to facilitate the snap-fit ​​positioning of the relative position between the first connecting head 2 and the second connecting head 3, and by operating the elastic support mechanism 5, multiple elastic snap-fit ​​mechanisms 4 can be pushed and snap-fitted at the same time.

[0034] Furthermore, the elastic clamping mechanism 4 includes: an intercalation clamping block 41, the intercalation clamping block 41 is slidably intercalated with the first connector 2, the extension line of the intercalation clamping block 41 is perpendicular to the axis of the first connector 2, a plurality of clamping grooves are provided in a circular array on the outer wall of the inner tube 6, one end of the intercalation clamping block 41 cooperates with the inner cavity of the clamping groove, and the other end of the intercalation clamping block 41 is provided with an inclined surface, when the sleeve 53 slides toward the direction of the second fixing ring 54, the inclined surface of the intercalation clamping block 41 can be squeezed by the end of the sleeve 53, thereby pushing the intercalation clamping block 41 is inserted and slid, so that the insertion card block 41 can move toward the direction of the inner tube 6, so as to clamp one end of the insertion card block 41 to the inside of the card groove on the inner tube 6, and the opposite ends of the first connector 2 and the second connector 3 are provided with alignment lines. When the alignment lines on the first connector 2 and the second connector 3 correspond, the elastic card mechanism 4 corresponds to the card groove on the inner tube 6; an elastic support component, a plurality of cavities are opened in a ring array on the first connector 2, the elastic support component is installed inside the cavity, and the elastic support component is connected to the insertion card block 41. The elastic support assembly includes: a slider 42, one end of which is fixedly connected to the insertion card block 41, and the slider 42 is slidably arranged inside the cavity; a guide rod 43, which is fixedly installed inside the cavity, the guide rod 43 is slidably inserted and connected with the slider 42, and the guide rod 43 and the insertion card block 41 are arranged in parallel; a first spring 44, which is movably sleeved on the outside of the guide rod 43, and the sliding insertion between the guide rod 43 and the slider 42 makes the sliding of the insertion card block 41 relative to the first connector 2 more stable, and the compression deformation of the first spring 44 facilitates the elastic support of the slider 42, so that when the insertion card block 41 is not squeezed, the insertion card block 41 does not cooperate with the card groove on the inner tube 6, so as to facilitate the disassembly between the first connector 2 and the second connector 3.

[0035] Furthermore, the elastic support mechanism 5 includes: a first fixing ring 51, which is fixedly sleeved on the outside of the second connecting head 3; a second spring 52, which is sleeved on the outside of the second connecting head 3; a sleeve 53, which is slidably sleeved on the outside of the second connecting head 3, and the second spring 52 is arranged between the first fixing ring 51 and the sleeve 53; a second fixing ring 54, which is arranged at the end of the sleeve 53, and the second fixing ring 54 is fixedly sleeved on the outside of the first connecting head 2, and the first fixing ring 51 is used to limit the position of the second spring 52, and the compression deformation of the second spring 52 is used to elastically support the sleeve 53, so that the sleeve 53 can move toward the direction of the second fixing ring 54 to squeeze the elastic clamping mechanism 4, and the second fixing ring 54 is used to limit the sliding of the sleeve 53 to prevent the sleeve 53 from sliding excessively.

[0036] Specifically, the end of the inner tube 6 is provided with a guide mechanism 7, and the guide mechanism 7 is sleeved with the end of the inner tube 6. The guide mechanism 7 includes: a connecting ring 71, which is fixedly installed inside the first connector 2; a sealing ring 72, which is fixedly installed on one side of the connecting ring 71, and the sealing ring 72 is sleeved inside the inner tube 6. The outer wall of the sealing ring 72 and the inner wall of the inner tube 6 are sleeved with sealing rings. The connection ring 71 and the sealing ring 72 are used in combination to wrap the end of the inner tube 6, and the sealing rings are matched to increase the sealing between the inner tube 6 and the guide mechanism 7, so as to prevent liquid leakage.

[0037] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A bellows butt sealing mechanism, comprising: Bellows (1), the bellows (1) being arranged relative to each other; The invention is characterized in that: the opposite ends of the corrugated tube (1) are respectively connected to a first connector (2) and a second connector (3); the first connector (2) and the second connector (3) are concentrically arranged; the end of the first connector (2) is provided with a plurality of elastic clamping mechanisms (4) in an annular array; the outer sleeve of the second connector (3) is provided with an elastic supporting mechanism (5); the inner fixed sleeve of one end of the second connector (3) is provided with an inner tube (6); the elastic clamping mechanism (4) is used for inserting and positioning the inner tube (6) to achieve docking of the relative positions of the first connector (2) and the second connector (3).

2. A bellows butt sealing mechanism according to claim 1, characterized in that: The elastic clamping mechanism (4) comprises: an insertion card block (41), the insertion card block (41) is slidably inserted and connected with the first connector (2), an extension line of the insertion card block (41) and an axis of the first connector (2) are perpendicular to each other, a plurality of card slots are formed in an annular array on the outer wall of the inner tube (6), one end of the insertion card block (41) cooperates with the inner cavity of the card slot; An elastic support component, wherein a plurality of cavities are provided in a ring array on the first connector (2), the elastic support component is installed inside the cavity, and the elastic support component is connected to the insertion clamping block (41).

3. A bellows butt sealing mechanism according to claim 2, characterized in that: The elastic support assembly comprises: A slider (42), one end of which is fixedly connected to the insertion clamping block (41), and the slider (42) is slidably disposed inside the cavity; A guide rod (43), the guide rod (43) is fixedly installed inside the cavity, the guide rod (43) is slidably interlaced with the slider (42), and the guide rod (43) and the interlaced clamping block (41) are arranged in parallel; A first spring (44), wherein the first spring (44) is movably sleeved on the outside of the guide rod (43).

4. A bellows butt sealing mechanism according to claim 1, characterized in that: The elastic support mechanism (5) comprises: A first fixing ring (51), the first fixing ring (51) being fixedly sleeved on the outside of the second connector (3); A second spring (52), wherein the second spring (52) is sleeved on the outside of the second connector (3); A sleeve (53), wherein the sleeve (53) is slidably mounted on the outside of the second connector (3), and the second spring (52) is arranged between the first fixing ring (51) and the sleeve (53); A second fixing ring (54), wherein the second fixing ring (54) is arranged at the end of the sleeve (53), and the second fixing ring (54) is fixedly sleeved on the outside of the first connecting head (2).

5. The bellows butt sealing mechanism according to claim 1, characterized in that: A guiding mechanism (7) is provided at the end of the inner tube (6), and the guiding mechanism (7) is sleeved with the end of the inner tube (6).

6. A bellows butt sealing mechanism according to claim 5, characterized in that: The guiding mechanism (7) comprises: A connecting ring (71), wherein the connecting ring (71) is fixedly installed inside the first connecting head (2); A sealing ring (72), wherein the sealing ring (72) is fixedly mounted on one side of the connecting ring (71), and the sealing ring (72) is sleeved inside the inner tube (6).

7. A bellows butt sealing mechanism according to claim 6, characterized in that: The outer wall of the sealing ring (72) and the inner wall of the inner tube (6) are both sleeved with sealing rings.

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