CN212250414U

CN212250414U - Diaphragm seal pump with diaphragm breathing seal cover

Info

Publication number: CN212250414U
Application number: CN202020624282.3U
Authority: CN
Inventors: 王典
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-29
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses a diaphragm seal pump that possesses sealed lid of diaphragm breathing, including feeding flange and inlet pipe flange, be provided with sealing mechanism between feeding flange and the inlet pipe flange, through fastening bolt fixed connection between feeding flange, inlet pipe flange and the sealing mechanism, sealing mechanism is including being the circular shape sealing washer. The utility model relates to a possess sealed diaphragm seal pump of lid of diaphragm breathing, twist the threaded rod, the threaded rod removes the promotion briquetting and takes place the motion, the briquetting removes can drive the gag lever post downstream for the certain effort of fixed block, when removing the gag lever post to spacing downthehole, can carry out spacing fixed to the position between connecting cylinder and the feeding flange, when dismantling sealing mechanism and feeding flange, only need follow reverse twisting the threaded rod, at this moment under the elastic action of supporting tight spring, make the gag lever post resume to the normal position, can realize feeding flange and sealing mechanism and separate, the installation is comparatively quick with the dismantlement process, time saving and labor saving.

Description

Diaphragm seal pump with diaphragm breathing seal cover

Technical Field

The utility model relates to a diaphragm seal pump specifically is a diaphragm seal pump that possesses sealed lid of diaphragm breathing.

Background

Diaphragm pumps, also known as control pumps, are the main type of actuator that is operated by power to vary the fluid flow by receiving a control signal from a regulating control unit. The diaphragm pump is used in the control process to receive the control signal of the regulator or the computer and change the flow rate of the regulated medium to maintain the regulated parameters in the required range, so as to realize the automation of the production process. If the automatic adjustment system is compared to a manual adjustment process, the detection unit is the human eye and the adjustment control unit is the human brain, the execution units, the membrane pumps, are the human hand and foot. The diaphragm pump is not required to be opened to realize the adjustment and control of certain parameters of the process, such as temperature, pressure, flow, liquid level and the like.

According to the utility model discloses a "sealing device of pneumatic diaphragm pump" that china utility model patent (application number: CN201820210710.0, application date: 2018.02.07) disclosed, its structure is "including setting up the feeding flange in pneumatic diaphragm pump feed inlet department, be equipped with sealing mechanism on the feeding flange, the feeding flange is connected with inlet pipe flange through fastening bolt, fastening bolt's terminal threaded connection has fastening nut, sealing mechanism includes sealing washer and metal connecting piece, metal connecting piece include the annular support board and along the axial set up respectively in the connecting portion and the spliced tube of annular support board both sides, connecting portion with feeding flange fixed connection, the spliced tube with the inner chamber of inlet pipe flange cooperatees, the sealing washer is annular hollow structure, the sealing washer cladding in on the annular support board. The utility model provides the sealed effect of high pneumatic diaphragm pump feeding flange department under the high pressure condition ", nevertheless still be not enough a bit in the use, for example: the sealing mechanism and the feeding flange are fixed through threads, and when the joint of the sealing mechanism and the feeding flange is corroded, the sealing mechanism is clamped and rotated due to the fact that no proper tool is provided, and the sealing mechanism is inconvenient to disassemble. We have therefore developed this and propose a diaphragm seal pump with a diaphragm breath seal cover.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a diaphragm seal pump with diaphragm breathing sealed lid, including feeding flange and inlet pipe flange, be provided with sealing mechanism between feeding flange and the inlet pipe flange, pass through fastening bolt fixed connection between feeding flange, inlet pipe flange and the sealing mechanism, sealing mechanism includes the circular sealing washer, be provided with the connecting plate that is circular in the sealing washer, the outer border of connecting plate passes the sealing washer and arranges in the outside of sealing washer, the sealing washer is close to one side of feeding flange and is provided with the connecting cylinder that is cyclic annular, the sealing washer is close to one side of inlet pipe flange and is provided with the grafting pipe, the connecting cylinder is linked together with the grafting pipe, one side that is close to the connecting cylinder on the feeding flange is equipped with the ring channel that matches with the connecting cylinder, the both sides that are located the ring channel on the feeding flange are respectively provided with the stop gear of spacing fixing to the connecting cylinder relatively, and a propelling mechanism for propelling the position of the limiting mechanism is arranged on one side of the limiting mechanism.

As a preferred technical scheme of the utility model, stop gear includes that gag lever post and cross-section are trapezoidal fixed block, the gag lever post is arranged in the recess of seting up in the feeding flange, the ring channel is passed and is pegged graft with the ring channel slip in the bottom of gag lever post, the fixed top of establishing at the gag lever post of fixed block.

As a preferred technical scheme of the utility model, the middle part of gag lever post cooperatees the cover and is equipped with and supports tight spring, support the connecting block fixed connection that is equipped with on tight spring's top and the gag lever post, support the bottom of tight spring and the inner wall fixed connection of recess.

As an optimal technical scheme of the utility model, corresponding the offering with gag lever post matched with spacing hole on the connecting cylinder, the inner wall in spacing hole bonds and has flexible rubber sleeve.

As a preferred technical scheme of the utility model, the top and the bottom of connecting cylinder inner chamber have all been seted up and have been the direction guide way, correspond in the ring channel with the guide way and be provided with the guide block with the guide way cooperation.

As the utility model discloses a preferred technical scheme, advancing mechanism includes that the cross-section is trapezoidal briquetting and threaded rod, the inclined plane on the briquetting cooperatees the laminating on the inclined plane of fixed block, the threaded rod sets up the dorsal part at the briquetting.

As an optimal technical scheme of the utility model, the one end of threaded rod is passed through the bearing and is connected with the briquetting rotation, the other end of threaded rod passes the feeding flange and pegs graft with feeding flange screw thread.

As a preferred technical scheme of the utility model, the bottom on briquetting inclined plane is provided with the stopper with the inclined plane is mutually perpendicular, seted up on the inclined plane of fixed block with stopper matched with spacing groove.

The utility model has the advantages that: this kind of diaphragm seal pump that possesses sealed lid is breathed to diaphragm, twist the threaded rod, the threaded rod removes and promotes the briquetting and take place the motion, the briquetting removes and can give the certain effort of fixed block, at this moment the fixed block atress can drive the gag lever post downstream, when moving the gag lever post to spacing downthehole, can carry out spacing fixed to the position between connecting cylinder and the feeding flange, when dismantling sealing mechanism and feeding flange, only need follow reverse twisting the threaded rod, the threaded rod removes and drives the briquetting and resume to the normal position, get rid of the effort to the fixed block, at this moment under the elastic action of supporting tight spring, make the gag lever post resume to the normal position, can realize feeding flange and sealing mechanism and separate, the installation is comparatively quick with the dismantlement process, time and labor saving.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a diaphragm seal pump with a diaphragm breathing seal cover according to the present invention;

fig. 2 is a schematic view of a split structure of a diaphragm seal pump with a diaphragm breathing seal cover according to the present invention;

fig. 3 is a schematic view of a connection structure between a propulsion mechanism and a limiting mechanism of a diaphragm seal pump with a diaphragm breathing seal cover according to the present invention.

In the figure: 1. a feed flange; 2. the feeding pipe is connected with a flange; 3. a sealing mechanism; 301. a seal ring; 302. a connecting plate; 303. a connecting cylinder; 304. inserting a pipe; 4. an annular groove; 5. a limiting mechanism; 501. A limiting rod; 502. a fixed block; 503. the spring is tightly propped; 6. fastening a bolt; 7. a propulsion mechanism; 701. Briquetting; 702. a threaded rod; 8. a limiting hole; 9. a guide groove; 10. a guide block; 11. a limiting block; 12. a limiting groove.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1, fig. 2 and fig. 3, the diaphragm sealing pump with a diaphragm breathing sealing cover of the present invention comprises a feeding flange 1 and a feeding pipe connecting flange 2, a sealing mechanism 3 is disposed between the feeding flange 1 and the feeding pipe connecting flange 2, the feeding flange 1, the feeding pipe connecting flange 2 and the sealing mechanism 3 are fixedly connected by a fastening bolt 6, the sealing mechanism 3 comprises a circular sealing ring 301, a circular connecting plate 302 is disposed in the sealing ring 301, an outer edge of the connecting plate 302 passes through the sealing ring 301 and is disposed outside the sealing ring 301, an annular connecting cylinder 303 is disposed on one side of the sealing ring 301 close to the feeding flange 1, an inserting pipe 304 is disposed on one side of the sealing ring 301 close to the feeding pipe connecting flange 2, the connecting cylinder 303 is communicated with the inserting pipe 304, an annular groove 4 matched with the connecting cylinder 303 is disposed on one side of the feeding flange 1 close to the connecting cylinder 303, the two sides of the annular groove 4 on the feeding flange 1 are respectively and oppositely provided with a limiting mechanism 5 for limiting and fixing the connecting cylinder 303, and one side of the limiting mechanism 5 is provided with a propelling mechanism 7 for propelling the position of the limiting mechanism 5.

Wherein, the limiting mechanism 5 comprises a limiting rod 501 and a fixing block 502 with a trapezoidal section, the limiting rod 501 is arranged in a groove arranged in the feeding flange 1, the bottom end of the limiting rod 501 penetrates through the annular groove 4 and is inserted in the annular groove 4 in a sliding manner, the fixing block 502 is fixedly arranged at the top end of the limiting rod 501, the middle part of the limiting rod 501 is matched and sleeved with a resisting spring 503, the top end of the resisting spring 503 is fixedly connected with a connecting block arranged on the limiting rod 501, the bottom end of the resisting spring 503 is fixedly connected with the inner wall of the groove, a limiting hole 8 matched with the limiting rod 501 is arranged on the connecting cylinder 303 corresponding to the limiting rod 501, a flexible rubber sleeve is bonded on the inner wall of the limiting hole 8, when the fixing block 502 is stressed to move downwards, the limiting rod 501 is pushed to move downwards, when the limiting rod 501 moves into the limiting hole 8, the position of the connecting cylinder 303 can be limited and fixed, and the elastic action of the, the stability of the limiting rod 501 in the limiting hole 8 can be improved, and meanwhile, the limiting rod 501 can be pushed to be restored to the original position through the elastic action of the abutting spring 503.

Wherein, the top and the bottom of connecting cylinder 303 inner chamber have all been seted up and have been the direction guide way 9, and the ring channel 4 is interior to cooperate with guide way 9 corresponding and with guide way 9 and is provided with guide block 10, and the guide way 9 that cooperatees through being equipped with cooperatees with guide block 10, can prescribe a limit to the position that connecting cylinder 303 inserted in ring channel 4, makes spacing hole 8 can be located gag lever post 501 directly over.

Wherein, advancing mechanism 7 includes that the cross-section is trapezoidal briquetting 701 and threaded rod 702, the inclined plane on the briquetting 701 cooperatees and laminates on the inclined plane of fixed block 502, threaded rod 702 sets up the dorsal part at briquetting 701, the one end of threaded rod 702 is passed through the bearing and is rotated with briquetting 701 and be connected, the other end of threaded rod 702 passes feeding flange 1 and pegs graft with feeding flange 1 screw thread, screw rod 702 is twisted, threaded rod 702 removes and promotes briquetting 701 and takes place the motion, briquetting 701 removes can give fixed block 502 certain effort, at this moment fixed block 502 atress can drive gag lever post 501 downstream, the realization provides power to stop gear 5.

The bottom end of the inclined plane of the pressing block 701 is perpendicular to the inclined plane and provided with a limiting block 11, the inclined plane of the fixing block 502 is provided with a limiting groove 12 matched with the limiting block 11, and the pressing block 701 and the fixing block 502 can slide in a matched mode through the limiting block 11 and the limiting groove 12, so that the stability of the pressing block 701 and the fixing block 502 during movement can be improved.

The working principle is as follows: the connecting cylinder 303 is inserted into the annular groove 4 through the matching of the guide groove 9 and the guide block 10, then the threaded rod 702 is screwed, the threaded rod 702 moves to push the press block 701 to move, the press block 701 moves to give a certain acting force to the fixed block 502, at the moment, the fixed block 502 is stressed to drive the limiting rod 501 to move downwards, when the limiting rod 501 moves into the limiting hole 8, the position between the connecting cylinder 303 and the feeding flange 1 can be limited and fixed, then the inserting pipe 304 is matched and inserted with the feeding pipe connecting flange 2, finally, the feeding flange 1, the feeding pipe connecting flange 2 and the sealing mechanism 3 are fixedly installed through the fastening bolt 6, when the sealing mechanism 3 is disassembled from the feeding flange 1, only the threaded rod 702 needs to be screwed in the reverse direction, the threaded rod 702 moves to drive the press block 701 to return to the original position, the acting force on the fixed block 502 is removed, at the moment, under the elastic action of, the stop lever 501 is restored to the original position, and the separation of the feeding flange 1 and the sealing mechanism 3 can be realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a diaphragm seal pump that possesses sealed lid is breathed to diaphragm, includes feeding flange (1) and inlet pipe flange (2), its characterized in that, be provided with sealing mechanism (3) between feeding flange (1) and inlet pipe flange (2), pass through fastening bolt (6) fixed connection between feeding flange (1), inlet pipe flange (2) and the sealing mechanism (3), sealing mechanism (3) are including being circular shape sealing washer (301), be provided with in sealing washer (301) and be circular shape connecting plate (302), the outside of sealing washer (301) is arranged in to the outer border of connecting plate (302) passes sealing washer (301), one side that sealing washer (301) are close to feeding flange (1) is provided with and is annular connecting cylinder (303), one side that sealing washer (301) are close to inlet pipe flange (2) is provided with grafting pipe (304), the connecting cylinder (303) is communicated with the inserting pipe (304), one side of the feeding flange (1) close to the connecting cylinder (303) is provided with an annular groove (4) matched with the connecting cylinder (303), two sides of the feeding flange (1) located in the annular groove (4) are respectively and oppositely provided with a limiting mechanism (5) for limiting and fixing the connecting cylinder (303), and one side of the limiting mechanism (5) is provided with a propelling mechanism (7) for propelling the position of the limiting mechanism (5).

2. The diaphragm seal pump with the diaphragm breathing seal cover according to claim 1, wherein the limiting mechanism (5) comprises a limiting rod (501) and a fixing block (502) with a trapezoidal section, the limiting rod (501) is arranged in a groove formed in the feeding flange (1), the bottom end of the limiting rod (501) penetrates through the annular groove (4) and is in sliding insertion connection with the annular groove (4), and the fixing block (502) is fixedly arranged at the top end of the limiting rod (501).

3. The diaphragm seal pump with the diaphragm breathing seal cover according to claim 2, wherein the middle part of the limiting rod (501) is sleeved with a resisting spring (503) in a matching manner, the top end of the resisting spring (503) is fixedly connected with a connecting block arranged on the limiting rod (501), and the bottom end of the resisting spring (503) is fixedly connected with the inner wall of the groove.

4. The diaphragm seal pump with the diaphragm breathing seal cover according to claim 3, wherein a limit hole (8) matched with the limit rod (501) is formed in the connecting cylinder (303) corresponding to the limit rod (501), and a flexible rubber sleeve is bonded on the inner wall of the limit hole (8).

5. The diaphragm seal pump with the diaphragm breathing seal cover as claimed in claim 1, wherein the top end and the bottom end of the inner cavity of the connecting cylinder (303) are both provided with a directional guide groove (9), and the annular groove (4) is internally provided with a guide block (10) corresponding to the guide groove (9) and matched with the guide groove (9).

6. The diaphragm seal pump with the diaphragm breathing seal cover as claimed in claim 2, wherein the pushing mechanism (7) comprises a pressing block (701) with a trapezoidal cross section and a threaded rod (702), the inclined surface of the pressing block (701) is matched and attached to the inclined surface of the fixing block (502), and the threaded rod (702) is arranged at the back side of the pressing block (701).

7. The diaphragm seal pump with the diaphragm breathing seal cover as claimed in claim 6, characterized in that one end of the threaded rod (702) is rotatably connected with the pressure block (701) through a bearing, and the other end of the threaded rod (702) passes through the feeding flange (1) and is in threaded connection with the feeding flange (1).

8. The diaphragm seal pump with the diaphragm breathing seal cover according to claim 7, wherein a limit block (11) is vertically arranged at the bottom end of the inclined surface of the pressing block (701) and the inclined surface, and a limit groove (12) matched with the limit block (11) is formed on the inclined surface of the fixing block (502).