Mechanical sealing structure of corrugated pipe convenient to adjust for pump

Abstract

The utility model particularly relates to the technical field of corrugated pipes, and discloses a mechanical sealing structure of a corrugated pipe convenient to adjust for a pump, which comprises a corrugated pipe body, a base and a connecting seat, a connecting piece I is fixedly arranged at the bottom end of the corrugated pipe body, and a plurality of convex blocks I are symmetrically and fixedly arranged on the side wall of the connecting piece I; and third hole grooves are formed in the side walls of the first protruding blocks, and a first notch is formed in the middle of the base and used for allowing a first connecting piece to be connected in an inserted mode. Through the arrangement of the first connecting piece, the base, the second connecting piece, the connecting base, the third hole groove, the second protruding block and the fourth hole groove, the external size of the first connecting piece and the external size of the first protruding block are both matched with the internal size of the first notch and the internal size of the first clamping groove. The positioning convenience of the first hole groove and the third hole groove is improved, the external size of the second connecting piece and the external size of the second protruding block are matched with the internal size of the second groove and the internal size of the second clamping groove, the positioning convenience of the fourth hole groove and the fifth hole groove is improved, and therefore the positioning convenience and efficiency of installation of the corrugated pipe body are improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of corrugated pipes, and particularly relates to a mechanical seal structure of a corrugated pipe for a pump which is convenient to adjust. Background Art

[0002] A kind of positive displacement pump, that is, a reciprocating pump with a corrugated pipe as the working chamber of the pump. The corrugated pipe is isolated from the atmosphere to form a closed working chamber. The corrugated pipe deforms axially, periodically changing the volume of the working chamber. With the cooperation of the suction and discharge valves, the liquid to be transported is sucked into and sealed in the corrugated pipe, and the energy is transmitted to the liquid to be transported to directly increase its pressure to the required value, and then the liquid is discharged into the pump output pipeline, thus completing the transportation of the liquid.

[0003] The existing corrugated pipes for pumps are usually fixedly installed in the chamber of the pump body by bolts to transport pump liquid. The outer surface of the corrugated pipe is usually round and smooth, which may lead to time-consuming and laborious positioning of the bolt holes, thus affecting the installation efficiency of the corrugated pipe. Content of the Utility Model

[0004] The utility model provides a mechanical seal structure of a corrugated pipe for a pump which is convenient to adjust, aiming at solving the problem that the existing corrugated pipes for pumps are usually fixedly installed in the chamber of the pump body by bolts to transport pump liquid. The outer surface of the corrugated pipe is usually round and smooth, which may lead to time-consuming and laborious positioning of the bolt holes, thus affecting the installation efficiency of the corrugated pipe.

[0005] The utility model is realized as follows: A mechanical seal structure of a corrugated pipe for a pump which is convenient to adjust includes a corrugated pipe body, a base and a connecting seat. A first connecting piece is fixedly arranged at the bottom end of the corrugated pipe body. A plurality of first convex blocks are symmetrically and fixedly arranged on the side wall of the first connecting piece. A third hole groove is arranged on the side wall of each first convex block. A first notch is arranged in the middle of the base for the first connecting piece to be inserted. A plurality of first clamping grooves are symmetrically arranged on the inner side wall of the first notch for the first convex blocks to be clamped. A first hole groove is arranged on the side wall of the base and is communicated with the first clamping groove. A second connecting piece is fixedly arranged at the top end of the corrugated pipe body. A plurality of second convex blocks are symmetrically and fixedly arranged on the side wall of the second connecting piece. A fourth hole groove is arranged on the side wall of each second convex block. A second groove is arranged in the middle of the connecting seat for the second connecting piece to be inserted. A plurality of second clamping grooves are symmetrically arranged on the inner side wall of the second groove for the second convex blocks to be clamped. A fifth hole groove is arranged on the side wall of the connecting seat and is communicated with the second clamping groove.

[0006] Preferably, the corrugated pipe body, the first connecting piece and the second connecting piece are all made of stainless steel and are fixedly connected to form an integral structure. The interiors of the corrugated pipe body, the first connecting piece and the second connecting piece are communicated with each other, improving the overall stability of the corrugated pipe body, the first connecting piece and the second connecting piece.

[0007] Preferably, a first groove is formed at the bottom end of the first connecting member. A first sealing ring is clamped inside the first groove. The first sealing ring is annular and adapted to the internal dimensions of the first groove, improving the sealing performance of the connection between the first connecting member and the base.

[0008] Preferably, a plurality of second hole grooves are equidistantly formed on the surface of the base. The second hole grooves sequentially penetrate through the base for connection by M10 bolts, facilitating the installation and fixation of the base.

[0009] Preferably, a second sealing ring is clamped inside the second groove. The second sealing ring is annular and adapted to the internal dimensions of the second groove. Both the second sealing ring and the first sealing ring are made of graphite, improving the sealing performance of the connection between the second connecting member and the connecting seat.

[0010] Compared with the prior art, the embodiments of the present application mainly have the following beneficial effects:

[0011] Firstly, by providing the first connecting member, the base, the second connecting member, the connecting seat, the third hole groove, the second convex block and the fourth hole groove, the external dimensions of the first connecting member and the first convex block are both adapted to the internal dimensions of the first notch and the first clamping groove, improving the convenience of positioning the first hole groove and the third hole groove. The external dimensions of the second connecting member and the second convex block are adapted to the internal dimensions of the second groove and the second clamping groove, improving the convenience of positioning the fourth hole groove and the fifth hole groove, thereby improving the convenience and efficiency of positioning the installation of the corrugated pipe body. Secondly, by providing the first groove, the first sealing ring and the second clamping groove, the first sealing ring and the second sealing ring are both annular and sequentially adapted to the internal dimensions of the first groove and the second groove, thereby improving the sealing performance of the corrugated pipe body due to the connection between the base and the connecting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view three-dimensional structural schematic diagram of the present utility model.

[0013] Figure 2 It is an exploded structural schematic diagram of the present utility model.

[0014] Figure 3 It is a front view sectional structural schematic diagram of the corrugated pipe body of the present utility model.

[0015] Figure 4 It is a side view three-dimensional structural schematic diagram of the connecting member of the present utility model.

[0016] Reference numerals are: 1, corrugated pipe body; 2, first connecting member; 3, base; 4, first hole groove; 5, second hole groove; 6, second connecting member; 7, connecting seat; 8, first notch; 9, first convex block; 10, third hole groove; 11, first clamping groove; 12, second convex block; 13, fourth hole groove; 14, fifth hole groove; 15, first groove; 16, first sealing ring; 17, second groove; 18, second clamping groove; 19, second sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification, claims and drawings of this application are intended to cover non-exclusive inclusion. The terms "first", "second", etc. in the specification, claims or drawings of this application are used to distinguish different objects and not to describe a specific order.

[0018] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of this application. The phrase appears in various places in the specification and does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment mutually exclusive of other embodiments. Those skilled in the art will explicitly and implicitly understand that the embodiments described herein can be combined with other embodiments.

[0019] Please refer to Figures 1-4, an embodiment provided by the present utility model: a mechanical seal structure of a bellows for a pump that is convenient for adjustment, including a bellows body 1, a base 3, and a connecting seat 7. The bellows body 1 has elasticity and can be axially compressed and deformed to periodically change the volume of the bellows body 1. A first connecting member 2 is fixedly provided at the bottom end of the bellows body 1. A plurality of first bumps 9 are symmetrically and fixedly provided on the side wall of the first connecting member 2 to form an integral structure. A third hole groove 10 is provided on the side wall of each first bump 9. A first notch 8 is provided in the middle of the base 3 for the first connecting member 2 to be inserted. A plurality of first clamping grooves 11 are symmetrically provided on the inner side wall of the first notch 8 for the first bumps 9 to be clamped. A first hole groove 4 is provided on the side wall of the base 3 and is connected to the first clamping groove 11. The internal dimensions of the third hole groove 10 and the first hole groove 4 are the same for connecting with an M6 bolt. The internal dimensions of the first notch 8 and the first clamping groove 11 are successively adapted to the external dimensions of the first connecting member 2 and the first bumps 9, thereby improving the convenience of positioning the installation of the first hole groove 4 and the third hole groove 10. A second connecting member 6 is fixedly provided at the top end of the bellows body 1. The bellows body 1, the first connecting member 2, and the second connecting member 6 are all made of stainless steel and are fixedly connected to form an integral structure. The interiors of the bellows body 1, the first connecting member 2, and the second connecting member 6 are connected to facilitate the flow of hydraulic oil, improving the overall stability of the bellows body 1, the first connecting member 2, and the second connecting member 6. A plurality of second bumps 12 are symmetrically and fixedly provided on the side wall of the second connecting member 6. A fourth hole groove 13 is provided on the side wall of each second bump 12. A second groove 17 is provided in the middle of the connecting seat 7 for the second connecting member 6 to be inserted. A plurality of second clamping grooves 18 are symmetrically provided on the inner side wall of the second groove 17 for the second bumps 12 to be clamped. A fifth hole groove 14 is provided on the side wall of the connecting seat 7 and is connected to the second clamping groove 18. The bellows body 1, the first connecting member 2, the second connecting member 6, the first bumps 9, and the second bumps 12 are in a symmetrical structure, which is convenient for adjusting the angle and installing and positioning. The external dimensions of the second connecting member 6 and the second bumps 12 are successively adapted to the internal dimensions of the second groove 17 and the second clamping grooves 18, thereby improving the convenience of positioning the fifth hole groove 14 and the fourth hole groove 13. Thus, it is convenient to thread an M6 bolt into the interiors of the fifth hole groove 14 and the fourth hole groove 13 in sequence, thereby improving the sealing performance at the top end of the bellows body 1, and thus improving the convenience and stability of the installation and adjustment of the bellows body 1.

[0020] A first groove 15 is provided at the bottom end of the first connecting member 2. A first sealing ring 16 is clamped inside the first groove 15. The first sealing ring 16 is in a circular ring shape and is adapted to the internal dimensions of the first groove 15, improving the sealing performance of the connection between the first connecting member 2 and the base 3. A plurality of second hole grooves 5 are equidistantly provided on the surface of the base 3. The second hole grooves 5 penetrate through the base 3 in sequence for connecting with an M10 bolt, facilitating the installation and fixation of the base 3. A second sealing ring 19 is clamped inside the second groove 17. The second sealing ring 19 is in a circular ring shape and is adapted to the internal dimensions of the second groove 17. Both the second sealing ring 19 and the first sealing ring 16 are made of graphite, improving the sealing performance of the connection between the second connecting member 6 and the connecting seat 7.

[0021] Working principle: When the mechanical seal structure of the bellows that is convenient to adjust is used in this type of pump, the operator first inserts the first connecting piece 2 and the first convex block 9 into the first notch 8 and the first clamping groove 11 in sequence. The internal dimensions of the first notch 8 and the first clamping groove 11 are adapted to the external dimensions of the first connecting piece 2 and the first convex block 9 in sequence, thereby improving the convenience of positioning the installation of the first hole groove 4 and the third hole groove 10. It is convenient to thread-connect M6 into the first hole groove 4 and the third hole groove 10 in sequence to realize the sealed connection of the first section of the bellows body 1. Then, the connecting seat 7 is sleeved on the top of the second connecting piece 6. The external dimensions of the second connecting piece 6 and the second convex block 12 are adapted to the internal dimensions of the second groove 17 and the second clamping groove 18 in sequence, thereby improving the convenience of positioning the fifth hole groove 14 and the fourth hole groove 13. Thus, it is convenient to thread-connect the M6 bolt into the fifth hole groove 14 and the fourth hole groove 13 in sequence, thereby improving the sealing performance of the top of the bellows body 1, and thus improving the convenience and stability of the installation and adjustment of the bellows body 1.

[0022] Secondly, both the second sealing ring 19 and the first sealing ring 16 are made of graphite. The first sealing ring 16 and the second sealing ring 19 are both circular rings, which can improve the sealing performance of the connection between the first connecting piece 2 and the second connecting piece 6 with the base 3 and the connecting seat 7 in sequence.

[0023] It should be noted that for the foregoing embodiments, for the sake of simple description, they are all expressed as a series of action combinations. However, those skilled in the art should know that the present invention is not limited by the described action sequence, because according to the present invention, certain steps may be adopted in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0024] In several embodiments provided by the present application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only illustrative. For example, the above division of units can have other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point, the displayed or discussed coupling or communication connection between each other can be through some interfaces. The indirect coupling or communication connection between devices or units can be in the form of telecommunications or other forms.

[0025] The units described above as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they can be located in one place, or they can be distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0026] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the invention. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on these embodiments, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art can still, without conflict and without creative efforts, combine, add or delete the features in the embodiments of the present invention according to the circumstances or make other adjustments, so as to obtain different technical solutions that essentially do not depart from the concept of the present invention, and these technical solutions also fall within the scope of protection of the present invention.

Claims

1. A mechanical seal structure of a bellows for a pump that is easy to adjust, characterized in that, It includes a corrugated pipe body (1), a base (3) and a connecting seat (7): A first connecting piece (2) is fixedly arranged at the bottom end of the corrugated pipe body (1). A plurality of first bumps (9) are symmetrically and fixedly arranged on the side wall of the first connecting piece (2). A third hole groove (10) is arranged on the side wall of each first bump (9). A first notch (8) is formed in the middle of the base (3) for the first connecting piece (2) to be inserted. A plurality of first clamping grooves (11) are symmetrically arranged on the inner side wall of the first notch (8) for the first bumps (9) to be clamped. A first hole groove (4) is arranged on the side wall of the base (3) and is communicated with the first clamping groove (11). A second connecting piece (6) is fixedly arranged at the top end of the corrugated pipe body (1). A plurality of second bumps (12) are symmetrically and fixedly arranged on the side wall of the second connecting piece (6). A fourth hole groove (13) is arranged on the side wall of each second bump (12). A second groove (17) is formed in the middle of the connecting seat (7) for the second connecting piece (6) to be inserted. A plurality of second clamping grooves (18) are symmetrically arranged on the inner side wall of the second groove (17) for the second bumps (12) to be clamped. A fifth hole groove (14) is arranged on the side wall of the connecting seat (7) and is communicated with the second clamping groove (18).

2. The mechanical seal structure of a bellows for a pump that is easy to adjust according to claim 1, characterized in that: The corrugated pipe body (1), the first connecting piece (2) and the second connecting piece (6) are all made of stainless steel and are fixedly connected to form an integral structure, and the interiors of the corrugated pipe body (1), the first connecting piece (2) and the second connecting piece (6) are communicated with each other.

3. The mechanical seal structure of a bellows for a pump that is easy to adjust according to claim 2, characterized in that: A first groove (15) is formed at the bottom end of the first connecting piece (2), and a first sealing ring (16) is clamped inside the first groove (15). The first sealing ring (16) is in a circular ring shape and is adapted to the internal dimensions of the first groove (15).

4. The mechanical seal structure of a bellows for a pump that is easy to adjust according to claim 1, characterized in that: A plurality of second hole grooves (5) are arranged on the surface of the base (3) at equal intervals, and the second hole grooves (5) sequentially penetrate through the base (3) for connection by M10 bolts.

5. The mechanical seal structure of a bellows for a pump that is easy to adjust according to claim 1, characterized in that: A second sealing ring (19) is clamped inside the second groove (17). The second sealing ring (19) is in a circular ring shape and is adapted to the internal dimensions of the second groove (17). Both the second sealing ring (19) and the first sealing ring (16) are made of graphite.

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