Novel self-adaptive sealing structure

Abstract

The utility model discloses a novel self-adaptive sealing structure which comprises a lower sleeve piece, a buffer sleeve and a spring, and a connecting pipe is arranged at the lower end of the lower sleeve piece. A socketed pipe is arranged at the lower end of the buffer sleeve; an inner pipe is arranged in the connecting pipe; the buffering sleeve is elastically installed at the upper end of the lower sleeve piece through a spring, and the sleeving pipe is movably inserted into the inner pipe. The buffering sleeve further comprises a groove, and the groove is formed in the connecting position of the buffering sleeve and the socketed pipe. The lower sleeve piece comprises an inner bearing piece and an outer bearing piece, and the outer bearing piece is rotationally arranged on the outer side of the inner bearing piece; connecting pipes are arranged at the lower ends of the inner bearing pieces. According to the utility model, the buffer sleeve and the lower sleeve piece are elastically connected through the spring, so that the buffer sleeve and the lower sleeve piece can be elastically adjusted automatically according to the distance change at the joint; the outer bearing piece in the lower sleeve piece is rotationally arranged on the outer ring surface of the inner bearing piece, so that a constructor can conveniently and directly rotate the outer bearing piece to align with a bolt during installation, and torsion can be buffered during working.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of connecting place sealing structure, specifically to a novel self -adaptive sealing structure. BACKGROUND

[0002] In the current industrial background, the production process of various trades such as food, chemical industry, mineral and pharmaceutical needs to use some mixing, extruding and stirring equipment, in order to avoid leaking materials in the production process, generally will adopt packing seal and mechanical seal to install on the equipment to protect the sealing problem of the connection of parts and silo. But the existing sealing structure for pipeline sealing is rigid connection, not only can not buffer the connecting place, but also may lead to connection difficulty.

[0003] In the prior art, the utility model discloses a sealing structure, the sealing structure is installed in the assembly section of the pipeline, which comprises a flange and a flexible pad, the flange is arranged on the outer side of the assembly section of the pipeline, the end of the flange away from the assembly section is provided with a gap between the pipeline, and the flange can rotate or move relative to the pipeline, the flexible pad is installed in the inside of the assembly section of the pipeline, the flexible pad comprises a first sealing section, and the outer side of the first sealing section is in contact with the inner side of the assembly section and forms a first sealing belt. This sealing structure solves the problem that the existing pipeline sealing technology cannot have axial adjustment capacity and radial adjustment capacity.

[0004] The above-mentioned patent provides a connecting structure with flexible adjustment function for pipeline, but the sealing structure used in the connecting place does not have automatic adjustment function when conveying materials, and cannot automatically adjust the length when the axial length of the connecting place changes, which needs to be further improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a novel self -adaptive sealing structure, which aims at improving the problem that the existing sealing structure used in the connecting place does not have automatic adjustment function when conveying materials, and cannot automatically adjust the length when the axial length of the connecting place changes.

[0006] The utility model is realized in this way: a novel self -adaptive sealing structure, including lower sleeve, lower sleeve lower end is provided with connecting pipe, still including buffer sleeve and spring, buffer sleeve lower end is provided with sleeve pipe, connecting pipe inside is provided with inner tube, buffer sleeve is elastically installed on the upper end of lower sleeve through spring, and sleeve pipe is movably inserted in the inner tube.

[0007] Preferably, the buffer sleeve further comprises a groove, and the connecting portion of the buffer sleeve and the sleeve pipe is provided with a groove.

[0008] Preferably, the lower sleeve set comprises an inner adapter and an outer adapter, the outer adapter is rotatably arranged outside the inner adapter, and the lower end of the inner adapter is provided with a connecting pipe.

[0009] Preferably, the lower end surface of the buffer sleeve is sequentially provided with a plurality of first blind holes in the circumferential direction, the upper end surface of the lower sleeve set is provided with a corresponding second blind hole corresponding to each first blind hole, one end of the spring is arranged in the first blind hole, and the other end is arranged in the corresponding second blind hole.

[0010] Preferably, the outer adapter comprises a threaded connection hole, and a plurality of threaded connection holes are sequentially arranged on the outer adapter in the circumferential direction.

[0011] Preferably, the outer ring surface of the inner adapter is provided with a rotating convex ring, the inner ring surface of the outer adapter is provided with a rotating groove matched with the rotating convex ring, and the rotating convex ring is rotatably embedded in the rotating groove.

[0012] Preferably, the buffer sleeve further comprises a converging opening, the upper end surface of the buffer sleeve is provided with a converging opening which is gradually contracted from top to bottom, and the lower end of the converging opening is communicated with the sleeve connecting pipe.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1. The utility model discloses a buffer sleeve and a lower sleeve set are elastically connected through a spring, so that the buffer sleeve and the lower sleeve set can be automatically elastically adjusted according to the distance change of the connecting portion.

[0015] 2. The utility model discloses that the outer adapter in the lower sleeve set is rotatably arranged on the outer ring surface of the inner adapter, which not only facilitates the direct rotation of the outer adapter to align the bolt during installation, but also plays a buffering torque role during work. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the sectional structure schematic diagram of the utility model;

[0018] Figure 3 It is the three-dimensional structure schematic diagram of the buffer sleeve of the utility model;

[0019] Figure 4 It is the sectional structure schematic diagram of the buffer sleeve of the utility model;

[0020] Figure 5 It is the three-dimensional structure schematic diagram of the lower sleeve set of the utility model;

[0021] Figure 6 is the sectional view structure schematic diagram of the lower sleeve kit of the utility model.

[0022] In the drawing: 1, buffer sleeve; 101, first blind hole; 102, groove; 103, gather opening; 2, spring; 3, lower sleeve kit; 301, inner receiving part; 302, outer receiving part; 303, connecting pipe; 304, second blind hole; 305, threaded hole; 306, rotating convex ring; 307, rotating groove; 4, sleeve pipe; 5, inner pipe. DETAILED DESCRIPTION

[0023] In the utility model, unless another explicit provision and limitation, the terms "mounting", "connecting", "connecting", "fixing" and other terms should be broad sense, for example, can be fixed connection, can be detachable connection, or integrated; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0024] The following will be further described in conjunction with the drawings and specific embodiments:

[0025] Example 1

[0026] As shown in Figure 1 , Figure 2 and Figure 4 , a novel self-adaptive sealing structure, including lower sleeve kit 3, lower sleeve kit 3 lower end is provided with connecting pipe 303, still including buffer sleeve 1 and spring 2; Buffer sleeve 1 lower end is provided with sleeve pipe 4, buffer sleeve 1 still includes gather opening 103, the upper end surface of buffer sleeve 1 is provided with gather opening 103 that gradually contracts from top to bottom, and the lower end of gather opening 103 is communicated with sleeve pipe 4. Buffer sleeve 1 is gathered from top to bottom by setting gather opening 103, which is convenient for the falling of medium and does not produce accumulation dead angle. Buffer sleeve 1 still includes groove 102, and the connecting place of buffer sleeve 1 and sleeve pipe 4 is provided with groove 102. By setting groove 102, when buffer sleeve 1 is pressed down, the top of inner pipe enters groove 102, so that buffer sleeve 1 and lower sleeve kit 3 are more closely.

[0027] As shown in Figure 1 , Figure 5 and Figure 6As shown, the connecting pipe 303 is internally provided with an inner pipe 5; the buffer sleeve 1 is elastically mounted on the upper end of the lower sleeve 3 through the spring 2, and the sleeve pipe 4 is movably inserted in the inner pipe 5. The compression spring 2 is located between the buffer sleeve 1 and the lower sleeve 3 as a whole, and can float up and down due to the soft connection, thereby satisfying the sealing in the translocation condition and making it more adaptable. By movably inserting the sleeve pipe 4 in the inner pipe 5, not only can the distance between the buffer sleeve 1 and the lower sleeve 3 be changed through the compression spring when the buffer sleeve 1 sinks, but also the sleeve pipe 4 can slide in the inner pipe 5, so as not to affect the conveying function of the sleeve pipe 4 and the inner pipe 5, and can float up and down due to the soft connection, thereby satisfying the sealing in the translocation condition. The lower sleeve 3 comprises an inner receiving part 301 and an outer receiving part 302, and the outer receiving part 302 is rotatably arranged outside the inner receiving part 301; the inner receiving part 301 is provided with the connecting pipe 303 at the lower end. A plurality of first blind holes 101 are sequentially arranged on the lower end surface of the buffer sleeve 1 in the circumferential direction, and a corresponding second blind hole 304 is arranged on the upper end surface of the lower sleeve 3 corresponding to each first blind hole 101; one end of the spring is arranged in the first blind hole 101, and the other end is arranged in the corresponding second blind hole 304. The outer receiving part 302 comprises a threaded connection hole 305, and a plurality of threaded connection holes 305 are sequentially arranged on the outer receiving part 302 in the circumferential direction. A rotating convex ring 306 is arranged on the outer ring surface of the inner receiving part 301, a rotating groove 307 matched with the rotating convex ring 306 is arranged on the inner ring surface of the outer receiving part 302, and the rotating convex ring 306 is rotatably embedded in the rotating groove 307. By rotatably connecting the outer receiving part 302 and the inner receiving part 301, not only is it convenient for the constructor to directly rotate the outer receiving part 302 to align the bolt during installation, but also it can play a role in buffering the torque during work.

[0028] Example 2

[0029] As shown in Figure 1 , Figure 2 and Figure 4 , a new self-adaptive sealing structure comprises a lower sleeve 3, a connecting pipe 303 arranged at the lower end of the lower sleeve 3, a buffer sleeve 1 and a spring 2; the buffer sleeve 1 is provided with a sleeve pipe 4 at the lower end, and the buffer sleeve 1 further comprises a converging opening 103; the upper end surface of the buffer sleeve 1 is provided with a converging opening 103 which gradually shrinks from top to bottom, and the lower end of the converging opening 103 is communicated with the sleeve pipe 4. The buffer sleeve 1 further comprises a groove 102, and the connection between the buffer sleeve 1 and the sleeve pipe 4 is provided with the groove 102.

[0030] As shown in Figure 1 , Figure 5 and Figure 6As shown, the connecting pipe 303 is internally provided with an inner pipe 5; the buffer sleeve 1 is elastically mounted on the upper end of the lower sleeve 3 through the spring 2, and the sleeve pipe 4 is movably inserted in the inner pipe 5. The lower sleeve 3 comprises an inner receiving part 301 and an outer receiving part 302, the outer receiving part 302 is rotatably arranged on the outer side of the inner receiving part 301; the lower end of the inner receiving part 301 is provided with the connecting pipe 303. The lower end surface of the buffer sleeve 1 is sequentially provided with a plurality of first blind holes 101 in the circumferential direction, and the upper end surface of the lower sleeve 3 is provided with a corresponding second blind hole 304 corresponding to each first blind hole 101, one end of the spring is arranged in the first blind hole 101, and the other end is arranged in the corresponding second blind hole 304. The outer receiving part 302 comprises a threaded connection hole 305, and a plurality of threaded connection holes 305 are sequentially arranged on the outer receiving part 302 in the circumferential direction. A rotating convex ring 306 is arranged on the outer ring surface of the inner receiving part 301, and a rotating groove 307 matched with the rotating convex ring 306 is arranged on the inner ring surface of the outer receiving part 302, and the rotating convex ring 306 is rotatably embedded in the rotating groove 307.

[0031] The working principle of the utility model is: in use, the buffer sleeve 1 is connected with the discharge port of the external discharging device, and the lower sleeve 3 is installed in the feeding port of the external receiving device through the outer receiving part 302, so that the material conveying can be carried out, and when the distance between the discharge port of the external discharging device and the feeding port of the external receiving device changes due to machine vibration, the elastic connection between the buffer sleeve 1 and the lower sleeve 3 can automatically and elastically adapt, without affecting the normal conveying of the material.

[0032] In summary, the utility model discloses that the buffer sleeve 1 and the lower sleeve 3 are elastically connected through the spring 2, so that the buffer sleeve 1 and the lower sleeve 3 can automatically and elastically adjust according to the distance change of the connection; the outer receiving part 302 in the lower sleeve 3 is rotatably arranged on the outer ring surface of the inner receiving part 301, which not only facilitates the constructor to directly rotate the outer receiving part 302 to align the bolt during installation, but also plays a role in buffering the torque during work.

[0033] The above is only the preferred embodiment of the utility model, and is not used for limiting the utility model. For those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A novel self-adapting sealing structure comprising a lower sleeve (3) provided with a connecting pipe (303) at the lower end, characterized in that, It further comprises a buffer sleeve (1) and a spring (2); the lower end of the buffer sleeve (1) is provided with a sleeve connector (4), and the inside of the connecting pipe (303) is provided with an inner pipe (5); the buffer sleeve (1) is elastically mounted on the upper end of the lower sleeve (3) through the spring (2), and the sleeve connector (4) is movably inserted into the inner pipe (5).

2. A novel self-adapting seal structure according to claim 1, characterized in that, The buffer sleeve (1) further comprises a groove (102), and the connection part of the buffer sleeve (1) and the sleeve connector (4) is provided with the groove (102).

3. A novel self-adapting seal structure according to claim 1, characterized in that, The lower sleeve (3) comprises an inner adapter (301) and an outer adapter (302), and the outer adapter (302) is rotatably arranged on the outside of the inner adapter (301); the lower end of the inner adapter (301) is provided with a connecting pipe (303).

4. A novel self-adapting seal structure according to claim 3, characterized in that, The lower end surface of the buffer sleeve (1) is sequentially provided with a plurality of first blind holes (101) along the circumferential direction, the upper end surface of the lower sleeve (3) is provided with a corresponding second blind hole (304) corresponding to each first blind hole (101), one end of the spring is arranged in the first blind hole (101), and the other end is arranged in the corresponding second blind hole (304).

5. A novel self-adapting seal structure according to claim 3, characterized in that, The outer adapter (302) comprises a threaded connection hole (305), and the outer adapter (302) is sequentially provided with a plurality of threaded connection holes (305) along the circumferential direction.

6. A novel self-adapting seal structure according to claim 3, characterized in that, The outer ring surface of the inner adapter (301) is provided with a rotating convex ring (306), and the inner ring surface of the outer adapter (302) is provided with a rotating groove (307) matched with the rotating convex ring (306), and the rotating convex ring (306) is rotatably embedded in the rotating groove (307).

7. A novel self-adapting seal structure according to claim 1, wherein, The buffer sleeve (1) further comprises a converging opening (103), and the upper end surface of the buffer sleeve (1) is provided with a converging opening (103) gradually shrinking from top to bottom, and the lower end of the converging opening (103) is communicated with the sleeve connector (4).

Images