CN220647216U

CN220647216U - Diaphragm type pulse damper

Info

Publication number: CN220647216U
Application number: CN202322080774.7U
Authority: CN
Inventors: 张选军
Original assignee: Shanghai Longmeng Machinery Co ltd
Current assignee: Shanghai Longmeng Machinery Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-03-22
Anticipated expiration: 2033-08-03

Abstract

The utility model relates to a diaphragm type pulse damper, including the attenuator body and be transparent safety cover, safety cover demountable installation is in the connecting tube department of attenuator body of said, after the attenuator body is installed on the pipeline, the safety cover is with the junction cage cover of attenuator body and pipeline. This application has the safety cover with the junction sealing cage cover back of attenuator body and pipeline, when the junction of attenuator body and pipeline appears leaking, the liquid of leaking can be collected by the safety cover, when the staff's inspection, can judge whether to leak through observing that transparent safety cover is inside to have liquid to remain, and then can in time maintain the junction of attenuator body and pipeline for pressure in the pipeline can remain at a take level all the time, and liquid leaks because by the safety cover collection, is difficult for leaking and causes the effect of pollution to the environment in the air.

Description

Diaphragm type pulse damper

Technical Field

The present application relates to the field of pulse dampers, and in particular, to a diaphragm type pulse damper.

Background

The pulse damper, also called pulsation damper, is a pressure vessel for eliminating the pressure pulsation or flow pulsation of the liquid in the pipeline, and has the functions of stabilizing the pressure and flow of the liquid, eliminating the vibration of the pipeline, protecting downstream instruments and equipment, increasing the volumetric efficiency of the pump, and the like.

The diaphragm type pulse damper is one of the more common pulse dampers, the corrosion-resistant diaphragm is used for isolating gas from liquid in a pipeline, and pipeline pulsation is smoothed through the change of the volume of an air chamber, so that the harm of a water hammer to a system is reduced, the peak value of flow velocity fluctuation is reduced, the pipeline and a valve joint are protected from the impact of pressure fluctuation, and the energy consumption of the system is reduced.

The common diaphragm type pulse damper is movably connected with the pipeline through the pipeline, in the use process of the diaphragm type pulse damper, liquid leakage can possibly occur at the joint between the diaphragm type pulse damper and the pipeline due to impact, if the temperature around the pipeline is high at this time, the exuded liquid volatilizes too fast, leakage can possibly not be found in daily inspection, the pipeline can be caused to continuously leak, and then the pressure in the pipeline is insufficient or pollution to the environment is caused after the leaked liquid volatilizes.

Disclosure of Invention

In order to solve the problem that leakage cannot be found at the joint of the diaphragm type pulse damper and the pipeline in time, the application provides the diaphragm type pulse damper.

The diaphragm type pulse damper provided by the application adopts the following technical scheme:

the utility model provides a diaphragm type pulse damper, includes the attenuator body and is transparent safety cover, safety cover demountable installation is in the connecting tube department of attenuator body of the stated, works as after the attenuator body is installed on the pipeline, the safety cover will the junction cage of attenuator body and pipeline.

Through adopting above-mentioned technical scheme, after the junction of protection cover with attenuator body and pipeline seals the cage, when the junction of attenuator body and pipeline appears leaking, the liquid of leaking can be collected by the protection cover, when the staff inspection, can judge whether leak through observing that transparent protection cover is inside to have liquid to remain, and then can in time maintain the junction of attenuator body and pipeline for pressure in the pipeline can remain at a take level all the time, and liquid leaks because is collected by the protection cover, is difficult for leaking and causes pollution to the environment in the air.

Optionally, the safety cover includes two be curved transparent protection boards, two the protection boards can mutually amalgamate, the protection board all is provided with a semi-annular shrouding along the both ends of its axis, the shrouding will the both ends of protection board are sealed, when two protection boards amalgamate each other, two on the protection board the shrouding also corresponds the amalgamation and forms the ring-shaped, be provided with coupling mechanism on the protection board in order to be used for with two protection boards interconnect, during initial state, the laminating of the inner circle lateral wall of shrouding supports tightly the connecting tube lateral wall of damper body, the pipeline loose joint on the connecting tube of damper body is located in the protection board, works as after damper body and the tube coupling, two other inner ring lateral wall laminating supports the lateral wall of the connecting tube on the tight pipeline.

Through adopting above-mentioned technical scheme, the safety cover can be comparatively conveniently dismantled then install after the attenuator body is installed.

Optionally, the coupling mechanism is including setting up respectively fixture block and the connection piece on the lateral wall of protection shield opening both sides, the connection piece is made by elastic material, seted up on the connection piece with the fixture block looks card is established complex card and is established the hole, when two protection shields are mutually pieced together, the fixture block one-to-one card is established in establishing the hole.

Through adopting above-mentioned technical scheme, after amalgamating two protection shield mutually, the connection piece can be connected with the fixture block mutual block naturally, and the connection of two protection shield is comparatively convenient.

Optionally, the mounting groove has all been seted up on the terminal surface of two protection shield mutual amalgamation, two the mounting groove has also been seted up on the terminal surface of the mutual amalgamation of shrouding, the mounting groove has also been seted up on the hole lateral wall of shrouding, and the same protection shield and the mounting groove intercommunication of the shrouding on it form an annular mounting groove each other, the cooperation is inlayed and is equipped with rubber seal in the mounting groove, when two protection shield and two shrouding on the protection shield are amalgamated each other, two rubber seal laminating each other is supported tightly, and is located partial rubber seal laminating on the inner ring lateral wall of shrouding supports tightly the lateral wall of the connecting tube of attenuator body.

Through adopting above-mentioned technical scheme, rubber seal has increased the leakproofness after protection shield and shrouding amalgamation for liquid is difficult for leaking from the within range of protection shield more.

Optionally, be provided with a plurality of installation pieces on the protection shield lateral wall, the installation piece with the connection piece one-to-one, the connection piece one-to-one slides and installs on the installation piece, the slip direction of connection piece is parallel with two the amalgamation direction of protection shield, still be provided with on the installation piece and be used for fixing the mounting of connection piece.

Through adopting above-mentioned technical scheme, after the protection shield amalgamation is accomplished, remove the connection piece towards the opposite direction of protection shield amalgamation direction to make mutual deformation laminating between the rubber seal tightly, further improved the leakproofness.

Optionally, the mounting includes a screw rod and a nut, the one end of screw rod with the connection piece is connected, the axis of screw rod with the slip direction of connection piece is parallel, the other end of screw rod slides and wears out the installation piece, the nut screw thread is installed the screw rod is passed out on the one end of installation piece, an end face of nut supports tightly the lateral wall of installation piece.

By adopting the technical scheme, the connecting piece can be driven to reversely slide by rotating the nut, so that the labor is saved.

Optionally, a guiding inclined plane is disposed on a side of the fixture block facing the connecting sheet, the guiding inclined plane is inclined toward the side wall direction of the protection board, and the inclination direction of the guiding inclined plane is parallel to the moving direction of the connecting sheet when the protection board is mutually combined.

Through adopting above-mentioned technical scheme, the guide inclined plane is used for guiding the connection piece to establish with the fixture block each other for the connection piece is difficult for taking place to block when establishing with the fixture block each other.

Optionally, after the protection plates are mutually spliced and the nuts are screwed, one end, away from the mounting block, of the nuts extends to the outer side of the circular arc line where the outer side wall of the protection plate is located.

Through adopting above-mentioned technical scheme, owing to the one end of nut grows out the protection shield, so when twisting the nut, the spanner is difficult for taking place to interfere between protection shield, and the twisting of spanner is comparatively smooth and easy.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the joint of the damper body and the pipeline is sealed and covered by the protective cover, when leakage occurs at the joint of the damper body and the pipeline, the leaked liquid can be collected by the protective cover, and when a worker checks, whether leakage occurs can be judged by observing whether liquid remains in the transparent protective cover or not, so that the joint of the damper body and the pipeline can be maintained in time, the pressure in the pipeline can be always kept at a certain height, and the liquid leakage is not easy to leak into the air to pollute the environment because of being collected by the protective cover;

2. after the splicing of the protection plates is completed, the connecting sheet moves towards the direction opposite to the splicing direction of the protection plates, so that the rubber sealing rings are mutually deformed, attached and abutted, the tightness is further improved, and the connecting sheet can be driven to reversely slide by rotating the nuts, so that labor is saved;

3. because one end of the nut grows out of the protective plate, when the nut is screwed, the wrench is not easy to interfere with the protective plate, and the screwing of the wrench is smooth.

Drawings

Fig. 1 is a front view of the present application.

Fig. 2 is a schematic view of an exploded structure of the protective cover of the present application.

Fig. 3 is a schematic cross-sectional view of the mounting block of the present application.

For example, the dimensions and locations of some elements in the drawings may be exaggerated relative to other elements to help to improve understanding of embodiments of the present utility model.

Reference numerals: 1. a damper body; 2. a protective cover; 21. a protective plate; 22. a sealing plate; 3. a connecting mechanism; 31. a clamping block; 32. a connecting sheet; 321. clamping holes; 33. a mounting block; 4. a mounting groove; 5. a rubber seal ring; 6. a fixing member; 61. a threaded rod; 62. a nut; 7. and a guiding inclined plane.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses diaphragm type pulse damper, refer to fig. 1 and 2, including damper body 1 and set up the safety cover 2 on damper body 1's connecting tube, safety cover 2 includes two protection shield 21 that are semicircle tubulose, and protection shield 21 is made by transparent corrosion resistant material. A semicircular sealing plate 22 is integrally provided at both ends of the protection plate 21 in the axial direction, end surfaces of both ends of the sealing plate 22 are flush with end surfaces of the opening end of the protection plate 21, and side walls of the two sealing plates 22 facing away from each other are flush with end surfaces of both ends of the protection plate 21 in the axial direction, respectively.

Referring to fig. 2 and 3, two protection plates 21 may be mutually spliced to form a complete tubular shape, and at this time, four sealing plates 22 on two protection plates 21 are also spliced in pairs to form two annular plates. The mounting grooves 4 are formed in the end faces of the two protection plates 21 which are spliced together, and the mounting grooves 4 are formed in a ring shape by extending along the outline of the end faces of the protection plates 21 and the sealing plates 22 which are spliced together. The rubber sealing ring 5 is embedded in the mounting groove 4 in a matched manner, when the two protection plates 21 are mutually spliced to seal the joint of the damper body 1 and the pipeline, the rubber sealing ring 5 in the mounting groove 4 of the sealing plate 22 is attached to the side wall of the connecting pipeline of the pipeline and the side wall of the connecting pipeline of the damper body 1, and the rest parts of the two rubber sealing rings 5 are mutually attached to each other to tightly finish sealing.

Referring to fig. 2 and 3, the protection plate 21 is provided with a connection mechanism 3, the connection mechanism 3 includes two mounting blocks 33 and two clamping blocks 31, the two mounting blocks 33 and the two clamping blocks 31 are respectively and fixedly arranged on side walls at two sides of the opening of the protection plate 21, and the mounting blocks 33 and the clamping blocks 31 are all arranged along the length direction of the protection plate 21. The side of the clip 31 facing the opening of the protection plate 21 is provided with a guide slope 7, and the guide slope 7 is inclined toward the side wall of the protection plate 21.

Referring to fig. 2 and 3, a piece of elastic material connecting piece 32 is slidably mounted in the mounting block 33, and the connecting piece 32 slides in a direction in which the two mounting plates are mutually engaged. The connecting piece 32 is provided with a clamping hole 321 in a penetrating mode, the connecting piece 32 is further provided with a fixing piece 6, the fixing piece 6 comprises a threaded rod 61 and a nut 62, one end of the threaded rod 61 is integrally arranged at one end of the connecting piece 32, the axis of the threaded rod 61 is parallel to the sliding direction of the connecting piece 32, the other end of the threaded rod 61 slides out of the mounting block 33, and the nut 62 is mounted at one end, located outside the mounting block 33, of the threaded rod 61.

Referring to fig. 2 and 3, the clamping hole 321 on the connecting piece 32 is matched with the clamping block 31, when the two protection plates 21 are mutually spliced, the clamping block 31 is matched with and clamped in the clamping hole 321, and after the nut 62 is screwed down at this time, the two rubber sealing rings 5 are mutually abutted and deformed to complete sealing, and meanwhile, the parts of the rubber sealing rings 5 on the sealing plate 22 are abutted to tightly abut against the side wall of the pipeline and the side wall of the connecting pipeline on the damper body 1 to complete sealing.

The implementation principle of the diaphragm type pulse damper provided by the embodiment of the application is as follows: after the damper body 1 is installed on a pipeline, the two protection plates 21 are mutually spliced, the connecting sheets 32 are mutually clamped with the clamping blocks 31, then the nuts 62 are rotated, so that the connecting sheets 32 slide back to each other to tightly press and seal the two rubber sealing rings 5, and the joint of the damper body 1 and the pipeline is covered in a sealing way; when an operator detects that liquid leakage is found by observing the condition in the transparent protection plate 21, the nut 62 is reversely screwed, so that the connecting piece 32 slides in opposite directions, the connecting piece 32 is separated from the clamping block 31, and after the two protection plates 21 are detached, the joint of the damper body 1 and the pipeline is overhauled.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A diaphragm type pulse damper comprising a damper body (1), characterized in that: still including being transparent safety cover (2), safety cover (2) demountable installation is in the junction pipeline department of attenuator body (1), works as after attenuator body (1) is installed on the pipeline, safety cover (2) will the junction cage of attenuator body (1) and pipeline.

2. The diaphragm type pulse dampener as defined in claim 1, wherein: the protection cover (2) comprises two arc-shaped transparent protection plates (21), the two protection plates (21) can be spliced mutually, a semi-annular sealing plate (22) is arranged at two ends of the axis of the protection plates (21), the sealing plate (22) is used for sealing two ends of the protection plates (21), when the two protection plates (21) are spliced mutually, the two sealing plates (22) on the protection plates (21) are spliced correspondingly to form a ring shape, a connecting mechanism (3) is arranged on the protection plates (21) for connecting the two protection plates (21) mutually, in an initial state, the inner ring side wall of the sealing plate (22) is abutted against the side wall of a connecting pipeline of the damper body (1), and the pipeline on the connecting pipeline of the damper body (1) is movably connected in the protection plates (21), and after the damper body (1) is connected with the pipeline, the other two inner ring side walls of the sealing plate (22) are abutted against the side wall of the connecting pipeline on the connecting pipeline.

3. The diaphragm type pulse dampener as set forth in claim 2, wherein: the connecting mechanism (3) comprises clamping blocks (31) and connecting pieces (32) which are respectively arranged on the side walls of two sides of the opening of the protection plate (21), the connecting pieces (32) are made of elastic materials, clamping holes (321) which are matched with the clamping blocks (31) in a clamping mode are formed in the connecting pieces (32), and when the two protection plates (21) are mutually spliced, the clamping blocks (31) are clamped in the clamping holes (321) in a one-to-one correspondence mode.

4. A diaphragm type pulse dampener as defined in claim 3, wherein: two mounting grooves (4) are formed in the end faces of the protection plates (21) which are mutually spliced, two mounting grooves (4) are formed in one end face of the sealing plates (22) which are mutually spliced, the mounting grooves (4) are formed in the inner hole side walls of the sealing plates (22), the mounting grooves (4) of the same protection plates (21) and the sealing plates (22) on the same are mutually communicated to form an annular mounting groove (4), rubber sealing rings (5) are embedded in the mounting grooves (4) in a matched mode, and when the two protection plates (21) and the sealing plates (22) on the protection plates (21) are mutually spliced, the two sealing plates (22) are mutually abutted against each other, and part of the rubber sealing rings (5) located on the inner ring side walls of the sealing plates (22) are abutted against the side walls of connecting pipelines of the damper body (1).

5. The diaphragm type pulse dampener as defined in claim 4, wherein: be provided with a plurality of installation pieces (33) on protection shield (21) lateral wall, installation piece (33) with connection piece (32) one-to-one, connection piece (32) one-to-one is slided and is installed on installation piece (33), the slip direction of connection piece (32) is parallel with the amalgamation direction of two protection shield (21), still be provided with on installation piece (33) be used for fixing mounting (6) of connection piece (32).

6. The diaphragm type pulse dampener as defined in claim 5, wherein: the fixing piece (6) comprises a threaded rod (61) and a nut (62), one end of the threaded rod (61) is connected with the connecting piece (32), the axis of the threaded rod (61) is parallel to the sliding direction of the connecting piece (32), the other end of the threaded rod (61) slides out of the mounting block (33), the nut (62) is installed on one end of the threaded rod (61) which is transmitted out of the mounting block (33), and one end face of the nut (62) abuts against the side wall of the mounting block (33).

7. A diaphragm type pulse dampener as defined in claim 3, wherein: one side of the clamping block (31) facing the connecting sheet (32) is provided with a guide inclined surface (7), the guide inclined surface (7) is inclined towards the side wall direction of the protection plate (21), and the inclination direction of the guide inclined surface (7) is parallel to the moving direction of the connecting sheet (32) when the protection plate (21) is mutually spliced.

8. The diaphragm type pulse dampener as defined in claim 6, wherein: after the protection plates (21) are mutually spliced and the nuts (62) are screwed, one end, away from the mounting block (33), of each nut (62) extends to the outer side of the circular arc line where the outer side wall of the protection plate (21) is located.