CN216044318U

CN216044318U - Standby connecting structure of diaphragm pump

Info

Publication number: CN216044318U
Application number: CN202122044687.7U
Authority: CN
Inventors: 祝雪金; 周森; 吴金倩; 周财华
Original assignee: DEPAMU (HANGZHOU) PUMP TECHNOLOGY CO LTD
Current assignee: DEPAMU (HANGZHOU) PUMP TECHNOLOGY CO LTD
Priority date: 2021-08-27
Filing date: 2021-08-27
Publication date: 2022-03-15
Anticipated expiration: 2031-08-27

Abstract

The utility model discloses a spare connecting structure of a diaphragm pump, and particularly relates to the field of diaphragm pumps, which comprises a spare diaphragm pump and a main diaphragm pump, wherein the spare diaphragm pump and the main diaphragm pump have the same structure; according to the utility model, by arranging the connecting assembly, the sealing connection between the connecting assembly and the standby diaphragm pump and the main diaphragm pump is effectively realized, and the leakage at the connecting part between the connecting assembly and the standby diaphragm pump and the main diaphragm pump is prevented when the standby diaphragm pump or the main diaphragm pump is used, so that the using effect of the connecting assembly is improved.

Description

Standby connecting structure of diaphragm pump

Technical Field

The utility model relates to the technical field of diaphragm pumps, in particular to a standby connection structure of a diaphragm pump.

Background

The diaphragm pump separates the infused liquid from the plunger and the pump cylinder by means of a film, thereby protecting the plunger and the pump cylinder; the left side of the diaphragm, which is in contact with the liquid, is made of corrosion-resistant materials or coated with a layer of corrosion-resistant substances; the right side of the diaphragm is filled with water or oil, and the diaphragm is widely applied to the industries of paint spraying and ceramics;

in the scheme of the existing diaphragm pump, a scheme of a standby diaphragm pump needs to be adopted, and when the standby diaphragm pump and the online diaphragm pump are matched for use, a standby connecting structure needs to be used for connecting the positions of the outlet orifices of the standby diaphragm pump and the online diaphragm pump;

however, when the existing standby connection structure is connected with the standby diaphragm pump and the online diaphragm pump, corresponding sealing assemblies and limiting assemblies are lacked, so that the stability and the sealing performance of the connection between the standby diaphragm pump and the connection between the online diaphragm pump and the standby connection structure are low, and the connection between the standby connection structure and the standby diaphragm pump and the main diaphragm pump is easy to leak or collapse due to overlarge fluid pressure, so that the use of the standby connection structure and the standby diaphragm pump as well as the main diaphragm pump is influenced.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a backup connection structure of a diaphragm pump to solve the above problems of the prior art.

In order to solve the technical problems, the utility model adopts the following technical scheme: a standby connection structure of a diaphragm pump comprises a standby diaphragm pump and a main diaphragm pump, wherein the standby diaphragm pump and the main diaphragm pump are identical in structure, a connection assembly is arranged between the standby diaphragm pump and the main diaphragm pump, limiting assemblies are fixedly mounted at the bottom ends of the standby diaphragm pump and the main diaphragm pump, and a driving assembly is arranged at the end part of each limiting assembly;

the connecting assembly comprises a three-way pipe and an inner pipe, liquid control valves are fixedly mounted at two end portions of the three-way pipe, a first flange is fixedly mounted on one side, away from the three-way pipe, of each liquid control valve, a second flange matched with the first flange is fixedly mounted at the output end of the standby diaphragm pump, a sleeve is fixedly mounted on the inner wall of the first flange, a limiting ring is integrally formed on the outer wall of the inner pipe, the limiting ring is fixedly clamped on the inner wall of the second flange, and the inner pipe is movably clamped in the sleeve.

Preferably, the inner wall of the sleeve is fixedly connected with a first sealing rubber ring, and one end, far away from the limiting ring, of the inner pipe is in contact with the first sealing rubber ring.

Preferably, one side fixedly connected with second seal rubber ring that reserve diaphragm pump was kept away from to the spacing ring, the sleeve is kept away from the one end of first seal rubber ring and is sealed the rubber ring contact of second.

Preferably, the first flange and the second flange are fixedly installed through bolts.

Preferably, the connection mode of the main diaphragm pump and the connection assembly is the same as that of the spare diaphragm pump connection assembly.

Preferably, spacing subassembly includes the bottom plate, the top slip card of bottom plate is equipped with two first seats that are the symmetric distribution, one side top slip card that first seat was kept away from to the bottom plate is equipped with two second seats that are the symmetric distribution, and the screw thread is inserted between the first seat that the level corresponds and the second seat and is equipped with stud, stud rotates and installs in the bottom plate, the equal fixed mounting in top of first seat and second seat has the mounting bracket, the bottom of reserve diaphragm pump and main diaphragm pump is all through bolt fixed mounting on the mounting bracket that corresponds.

Preferably, the outer walls of the first seat and the second seat are rotatably clamped with balls, and the outer walls of the balls are in contact with the inner wall of the bottom plate.

Preferably, drive assembly includes drive shaft and driven sprocket, driven sprocket is equipped with two, driven sprocket is fixed cup jointing respectively and is being corresponded double-end screw's tip, two driven sprocket's outside meshing is connected with drive chain, the drive shaft rotates and installs at the bottom plate outer wall, the fixed cover in middle part of drive shaft is equipped with the drive sprocket who is connected with the drive chain meshing.

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

1. according to the utility model, by arranging the connecting assembly, the sealing connection among the connecting assembly, the standby diaphragm pump and the main diaphragm pump is effectively realized, and the leakage at the connecting part among the connecting assembly, the standby diaphragm pump and the main diaphragm pump is prevented when the standby diaphragm pump or the main diaphragm pump is used, so that the using effect of the connecting assembly is improved;

2. drive assembly is used through setting up spacing subassembly and cooperation, and the position between reserve diaphragm pump and the main diaphragm pump is assisted spacing fixedly, when preventing follow-up use, appears collapsing away dorsad between coupling assembling and reserve diaphragm pump and the main diaphragm pump to connection stability between coupling assembling and reserve diaphragm pump and the main diaphragm pump has been promoted.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic structural connection diagram of the spare diaphragm pump and the connection assembly according to the present invention.

Fig. 3 is an enlarged view of the utility model at a in fig. 2.

Fig. 4 is a schematic view of the structural connection between the limiting assembly and the driving assembly according to the present invention.

In the figure: 1. a spare diaphragm pump; 2. a main diaphragm pump; 3. a connecting assembly; 4. a limiting component; 5. a drive assembly; 11. a second flange; 31. a three-way pipe; 32. a liquid control valve; 33. a first flange; 34. a sleeve; 341. a first sealant ring; 35. an inner tube; 351. a limiting ring; 352. a second sealing rubber ring; 41. a base plate; 42. a first seat; 43. a second seat; 431. a ball bearing; 44. a double-ended screw; 45. a mounting frame; 51. a drive shaft; 52. a driven sprocket; 521. a drive chain; 53. driving the sprocket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the present invention provides a spare connection structure of a diaphragm pump, including a spare diaphragm pump 1 and a main diaphragm pump 2, wherein the spare diaphragm pump 1 and the main diaphragm pump 2 have the same structure and are symmetrically distributed, a connection assembly 3 is disposed between the spare diaphragm pump 1 and the main diaphragm pump 2, a limit assembly 4 is fixedly mounted at the bottom ends of the spare diaphragm pump 1 and the main diaphragm pump 2, and a driving assembly 5 is disposed at the end of the limit assembly 4;

the connecting assembly 3 comprises a three-way pipe 31 and an inner pipe 35, liquid control valves 32 are fixedly mounted at two end parts of the three-way pipe 31 close to the standby diaphragm pump 1 and the main diaphragm pump 2, and are used for controlling the standby diaphragm pump 1 and the main diaphragm pump 2 to use by arranging the liquid control valves 32, when the liquid control valve 32 close to one side of the standby diaphragm pump 1 is opened and the liquid control valve 32 close to one side of the main diaphragm pump 2 is closed, the standby diaphragm pump 1 is started for standby, the main diaphragm pump 2 is closed, and on the contrary, the standby diaphragm pump 1 is closed and the main diaphragm pump 2 is started;

a first flange 33 is fixedly installed on one side of the liquid control valve 32, which is far away from the three-way pipe 31, a second flange 11 matched with the first flange 33 is fixedly installed at the output end of the standby diaphragm pump 1, and the first flange 33 and the second flange 11 are fixedly installed through bolts, so that flange connection between the connecting assembly 3 and the output end of the standby diaphragm pump 1 is realized; the inner wall of the first flange 33 is fixedly provided with a sleeve 34, the outer wall of the inner pipe 35 is integrally formed with a limiting ring 351, the limiting ring 351 is fixedly clamped on the inner wall of the second flange 11, and the inner pipe 35 is movably clamped in the sleeve 34; the inner wall of the sleeve 34 is fixedly connected with a first sealing rubber ring 341, one end, far away from the limiting ring 351, of the inner tube 35 is in contact with the first sealing rubber ring 341, and primary sealing between the inner tube 35 and the sleeve 34 is achieved, so that the sealing performance of connection between the connecting assembly 3 and the standby diaphragm pump 1 is improved, and further, when the standby diaphragm pump 1 is used, leakage at the connection position between the connecting assembly 3 and the standby diaphragm pump 1 is prevented; and one side fixedly connected with second seal rubber ring 352 that reserve diaphragm pump 1 was kept away from to spacing ring 351, the sleeve 34 is kept away from the one end and the contact of second seal rubber ring 352 of first seal rubber ring 341, realizes the second grade between inner tube 35 and the sleeve 34 and seals, has further improved the leakproofness of being connected between coupling assembling 3 and the reserve diaphragm pump 1.

Wherein, the connection mode of the main diaphragm pump 2 and the connection assembly 3 is the same as that of the connection assembly 3 of the standby diaphragm pump 1.

The limiting assembly 4 comprises a bottom plate 41, two first seats 42 which are symmetrically distributed are arranged on the top end of the bottom plate 41 in a sliding clamping manner, two second seats 43 which are symmetrically distributed are arranged on the top end of one side, away from the first seats 42, of the bottom plate 41 in a sliding clamping manner, and a double-threaded screw 44 is inserted between the first seats 42 and the second seats 43 corresponding to the horizontal position in a threaded manner, wherein the outer walls of the first seats 42 and the second seats 43 are rotatably clamped with balls 431, the outer walls of the balls 431 are in contact with the inner wall of the bottom plate 41, and the first seats 42 and the second seats 43 are synchronously driven to slide back to or opposite to each other on the bottom plate 41 by synchronously driving the two double-threaded screws 44 to rotate forwards and backwards;

stud 44 rotates and installs in bottom plate 41, and the equal fixed mounting in top of first seat 42 and second seat 43 has mounting bracket 45, and the bottom of reserve diaphragm pump 1 and main diaphragm pump 2 is all through bolt fixed mounting on corresponding mounting bracket 45, realizes the bolt fastening of reserve diaphragm pump 1, main diaphragm pump 2 and spacing subassembly 4 to make things convenient for follow-up reserve diaphragm pump 1, main diaphragm pump 2 and coupling assembling 3's direction installation.

Drive assembly 5 includes drive shaft 51 and driven sprocket 52, driven sprocket 52 is equipped with two, driven sprocket 52 fixes the cup joint respectively and corresponds double-end screw 44's tip, two driven sprocket 52's outside meshing is connected with drive chain 521, drive shaft 51 rotates and installs at bottom plate 41 outer wall, the fixed cover in middle part of drive shaft 51 is equipped with the drive sprocket 53 of being connected with drive chain 521 meshing, rotate just reversely through manual control drive shaft 51, it drives drive sprocket 53 and drives drive chain 521 and carry out positive and negative transmission, thereby the synchronous just reverse rotation of driven sprocket 52 of drive both sides, and then two double-end screw 44 of synchronous drive carry out just reverse rotation.

The working principle is as follows: the utility model relates to a spare connecting structure of a diaphragm pump, when in use, a spare diaphragm pump 1 and a main diaphragm pump 2 are respectively fixedly arranged on corresponding mounting frames 45 through bolts, then a connecting assembly 3 is arranged between the spare diaphragm pump 1 and the main diaphragm pump 2, a driving shaft 51 is manually controlled to rotate to drive a driving chain wheel 53 to drive a driving chain 521 to drive, so as to drive driven chain wheels 52 on two sides to synchronously rotate, and further synchronously drive two double-headed screws 44 to rotate, so as to synchronously drive a first seat 42 and a second seat 43 to oppositely slide on a bottom plate 41, so that an inner pipe 35 is movably clamped in a corresponding sleeve 34 until one end of the inner pipe 35, which is far away from a limiting ring 351, is contacted with a first sealing rubber ring 341, and one side of the limiting ring 351, which is far away from the spare diaphragm pump 1, is fixedly connected with a second sealing rubber ring 352, so as to effectively realize the sealing connection between the connecting assembly 3 and the spare diaphragm pump 1 as well as the main diaphragm pump 2, when the standby diaphragm pump 1 or the main diaphragm pump 2 is prevented from being used, leakage occurs at the connecting part between the connecting assembly 3 and the standby diaphragm pump 1 and the main diaphragm pump 2, so that the using effect of the connecting assembly 3 is improved, and the first flange 33 and the second flange 11 are fixed by using bolts;

wherein, through setting up spacing subassembly 4, assist spacing fixedly to the position between reserve diaphragm pump 1 and the main diaphragm pump 2, when preventing follow-up use, appear collapsing away dorsad between coupling assembling 3 and reserve diaphragm pump 1 and the main diaphragm pump 2 to connection stability between coupling assembling 3 and reserve diaphragm pump 1 and the main diaphragm pump 2 has been promoted.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A reserve connection structure of diaphragm pump, includes reserve diaphragm pump (1) and main diaphragm pump (2), its characterized in that: the standby diaphragm pump (1) and the main diaphragm pump (2) are identical in structure, a connecting assembly (3) is arranged between the standby diaphragm pump (1) and the main diaphragm pump (2), a limiting assembly (4) is fixedly installed at the bottom ends of the standby diaphragm pump (1) and the main diaphragm pump (2), and a driving assembly (5) is arranged at the end part of the limiting assembly (4);

coupling assembling (3) include three-way pipe (31) and inner tube (35), the equal fixed mounting in both ends of three-way pipe (31) has accuse liquid valve (32), the equal fixed mounting in one side that three-way pipe (31) were kept away from in accuse liquid valve (32) has first flange (33), the output fixed mounting of reserve diaphragm pump (1) has second flange (11) that use with first flange (33) cooperation, the inner wall fixed mounting of first flange (33) has sleeve (34), the outer wall integrated into one piece of inner tube (35) has spacing ring (351), the inner wall of spacing ring (351) fixed joint at second flange (11), inner tube (35) activity joint is in sleeve (34).

2. The alternate connection structure of a diaphragm pump according to claim 1, wherein a first seal rubber ring (341) is fixedly connected to the inner wall of the sleeve (34), and one end of the inner tube (35) away from the limiting ring (351) is in contact with the first seal rubber ring (341).

3. The alternate connection structure of a diaphragm pump according to claim 2, wherein a second sealant ring (352) is fixedly connected to a side of the limiting ring (351) far away from the alternate diaphragm pump (1), and an end of the sleeve (34) far away from the first sealant ring (341) contacts with the second sealant ring (352).

4. The alternate connection structure of a diaphragm pump according to claim 1, wherein said first flange (33) and said second flange (11) are fixedly mounted by means of bolts.

5. A redundant connection for a membrane pump according to claim 1, characterized in that the connection of the main membrane pump (2) and the connection assembly (3) is the same as the connection of the connection assembly (3) of the redundant membrane pump (1).

6. The standby connection structure of the diaphragm pump according to claim 1, wherein the limiting component (4) comprises a bottom plate (41), two first seats (42) are symmetrically arranged on a top sliding clamp of the bottom plate (41), two second seats (43) are symmetrically arranged on a top sliding clamp of one side of the bottom plate (41) far away from the first seats (42), a double-headed screw (44) is inserted in a threaded manner between the first seats (42) and the second seats (43) which horizontally correspond to each other, the double-headed screw (44) is rotatably installed in the bottom plate (41), mounting frames (45) are fixedly installed on top ends of the first seats (42) and the second seats (43), and bottom ends of the standby diaphragm pump (1) and the main diaphragm pump (2) are fixedly installed on the corresponding mounting frames (45) through bolts.

7. The alternate connection structure of a diaphragm pump according to claim 6, wherein the outer walls of the first seat (42) and the second seat (43) are rotatably engaged with balls (431), and the outer walls of the balls (431) are in contact with the inner wall of the base plate (41).

8. The alternate connection structure of the diaphragm pump according to claim 6, wherein the driving assembly (5) comprises a driving shaft (51) and two driven sprockets (52), the two driven sprockets (52) are respectively and fixedly sleeved at the end portions of the corresponding double-ended screws (44), the outer sides of the two driven sprockets (52) are engaged and connected with a transmission chain (521), the driving shaft (51) is rotatably installed on the outer wall of the bottom plate (41), and the middle portion of the driving shaft (51) is fixedly sleeved with a driving sprocket (53) engaged and connected with the transmission chain (521).