CN209800338U

CN209800338U - Automatic exhaust device of centrifugal pump

Info

Publication number: CN209800338U
Application number: CN201920272218.0U
Authority: CN
Inventors: 朱俊
Original assignee: Nanjing Institute of Mechatronic Technology
Current assignee: Nanjing Institute of Mechatronic Technology
Priority date: 2019-03-05
Filing date: 2019-03-05
Publication date: 2019-12-17
Anticipated expiration: 2029-03-05

Abstract

The utility model discloses a centrifugal pump self-bleeding device, including first retaining ring, the bottom rigid coupling of first retaining ring has the second standpipe, the top left and right sides of first retaining ring has all been seted up and has been erected the groove, the inside clearance fit who erects the groove has thin pole, two the top of thin pole is passed through second retaining ring rigid coupling together, the top rigid coupling of second retaining ring has first standpipe. This centrifugal pump self-bleeding device, be convenient for installation and dismantlement, and prevent that this centrifugal pump self-bleeding device's inside from getting into external debris, avoid blockking up, it is fixed continuous with the centrifugal pump to have solved exhaust apparatus among the prior art, when centrifugal pump or exhaust apparatus take place to damage, the staff of being not convenient for dismantles the problem with the installation, the waste of time has been avoided, the work efficiency of centrifugal pump is improved, prevent to influence people's use needs, so this centrifugal pump self-bleeding device can satisfy people's use needs completely.

Description

Automatic exhaust device of centrifugal pump

Technical Field

The utility model relates to a centrifugal pump exhaust technical field specifically is a centrifugal pump automatic exhaust apparatus.

Background

The centrifugal pump is driven by the impeller to discharge the water in the pump and then form vacuum to feed water. According to the structure and the working principle of the centrifugal pump, before the water pump is started for the first time, a certain vacuum degree is the first condition for pumping water and draining water by the water pump, if the water pump cannot reach a vacuum degree, the water pump can not normally work, and a part at the center of a rotor can be seriously damaged, so except for the centrifugal pump with an impeller immersed in water and a self-sucking pump, water is filled into the pump before the pump is started at each time, commonly called water adding and exhausting, but an exhaust device in the prior art is generally fixedly connected with the centrifugal pump, so when the centrifugal pump or the exhaust device is damaged, a worker is inconvenient to detach and install, time is wasted, the working efficiency of people is influenced, and the prior art can not meet the use requirements of people.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal pump self-bleeding device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic exhaust device of a centrifugal pump comprises a first retainer ring, wherein a second vertical pipe is fixedly connected to the bottom of the first retainer ring, vertical grooves are formed in the left side and the right side of the top of the first retainer ring, thin rods are in clearance fit with the inside of each vertical groove, the tops of the two thin rods are fixedly connected together through a second retainer ring, a first vertical pipe is fixedly connected to the top of the second retainer ring, a second circular ring is fixedly connected to the upper portion of the inner wall of the first vertical pipe, a spring is fixedly connected to the top of the second circular ring, a cover body is fixedly connected to the top of the spring, a rubber pad is fixedly connected to the bottom of the cover body, the bottom of the rubber pad is attached to the top of the first vertical pipe, a second support is fixedly connected to the left side of the first retainer ring, a second pin shaft is fixedly connected to the tail end of the second support, a hook is arranged on the outer wall of the second pin shaft in, the utility model discloses a nut, including the nut, the inside threaded connection of nut has the threaded rod, the bottom rigid coupling of threaded rod has the round handle, the equal rigid coupling in bottom left and right sides of first retaining ring has the bearing, the inner wall rigid coupling of bearing has the base, the bottom of base and the top of threaded rod laminate mutually.

Preferably, the outer wall right side rigid coupling of first standpipe has the bottom plate, the top rigid coupling of bottom plate has first support, the top of first support is connected with branch through first round pin axle rotation, the right-hand member rigid coupling of branch has the semicircle ring.

Preferably, the outer wall of the second vertical pipe is fixedly connected with a first circular ring.

Preferably, the outer wall of the round handle is processed with grinding grains.

Preferably, a second rubber ring is clamped between the first retaining ring and the second retaining ring.

Preferably, the bottom of the first circular ring is fixedly connected with a first rubber ring.

compared with the prior art, the beneficial effects of the utility model are that: this centrifugal pump automatic exhaust apparatus, can be in the same place with external centrifugal pump lug connection through the second standpipe, afterwards, through first retaining ring, the second retaining ring, the cooperation between couple and the threaded rod, make first standpipe and second standpipe communicate each other, and then can carry out the exhaust operation to external centrifugal pump, be convenient for install and dismantle, and prevent that this centrifugal pump automatic exhaust apparatus's inside from getting into external debris, avoid blockking up, it is fixed continuous with the centrifugal pump to have solved exhaust apparatus among the prior art, when centrifugal pump or exhaust apparatus take place to damage, the staff of being not convenient for dismantles the problem with the installation, the waste of time has been avoided, improve the work efficiency of centrifugal pump, prevent to influence people's user demand, so this centrifugal pump automatic exhaust apparatus can satisfy people's user demand completely.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection relationship between a second rubber ring, a second bracket and a hook in FIG. 1;

FIG. 3 is a schematic view of a connection relationship between the first retainer ring, the second retainer ring and the second bracket in FIG. 2;

Fig. 4 is a schematic view of a connection relationship between the second ring, the spring and the cover in fig. 1.

In the figure: 1. first retaining ring, 2, second standpipe, 3, first ring, 4, first rubber circle, 5, vertical groove, 6, thin rod, 7, second retaining ring, 8, second rubber circle, 9, first standpipe, 10, second support, 11, second round pin axle, 12, opening, 13, couple, 14, nut, 15, threaded rod, 16, base, 17, round handle, 18, grind line, 19, second ring, 20, spring, 21, lid, 22, rubber pad, 23, bottom plate, 24, first support, 25, first round pin axle, 26, branch, 27, semicircle ring, 28, bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an automatic exhaust device of a centrifugal pump comprises a first check ring 1, wherein the first check ring 1 is connected with a second check ring 7 through the first check ring 1, so that a first vertical pipe 2 is connected with a first vertical pipe 9, the bottom of the first check ring 1 is fixedly connected with the second vertical pipe 2, the left side and the right side of the top of the first check ring 1 are respectively provided with a vertical groove 5, the first check ring 1 and the second check ring 7 are conveniently positioned through the matching between thin rods 6 and the vertical grooves 5, the thin rods 6 are in clearance fit inside the vertical grooves 5, the tops of the two thin rods 6 are fixedly connected together through the second check ring 7, the top of the second check ring 7 is fixedly connected with the first vertical pipe 9, a second circular ring 19 is fixedly connected above the inner wall of the first vertical pipe 9, the second circular ring 19 plays a supporting role on the spring 20, the top of the second circular ring 19 is fixedly connected with the spring 20, a cover body 21 is fixedly connected with the top of the spring 20, and the cover body 21 plays a, the bottom of the cover body 21 is fixedly connected with a rubber pad 22, the rubber pad 22 enhances the sealing between the cover body 21 and the first vertical pipe 9, the bottom of the rubber pad 22 is attached to the top of the first vertical pipe 9, the left side of the first retainer ring 1 is fixedly connected with a second support 10, the tail end of the second support 10 is fixedly connected with a second pin shaft 11, the second support 10 is matched with the second pin shaft 11 to support the hook 13, the outer wall of the second pin shaft 11 is in clearance fit with the hook 13 through an opening 12, the hook 13 plays a limiting role on the first retainer ring 7, the right lower side of the hook 13 is fixedly connected with a nut 14, the inner thread of the nut 14 is connected with a threaded rod 15, the hook 13 can be limited through the matching between the threaded rod 15 and the nut 14, the hook 13 can be only attached to the second retainer ring 7, the bottom of the threaded rod 15 is fixedly connected with a round handle 17, the left side and the right side of the bottom of the first retainer ring 1 are fixedly connected with bearings 28, the bearings 28 are matched with the base 16, friction between the threaded rod 15 and the first retainer ring 1 can be reduced, the inner wall of the bearings 28 is fixedly connected with the base 16, the bottom of the base 16 is attached to the top of the threaded rod 15, the right side of the outer wall of the first vertical pipe 9 is fixedly connected with a bottom plate 23, the bottom plate 23 can support the first support 24, the top of the bottom plate 23 is fixedly connected with a first support 24, the top of the first support 24 is rotatably connected with a support rod 26 through a first pin shaft 25, the right end of the support rod 26 is fixedly connected with a semicircular ring 27, the semicircular ring 27 and the support rod 26 can support the cover body 21, the outer wall of the second vertical pipe 2 is fixedly connected with a first circular ring 3, the outer wall of the circular handle 17 is processed with grinding grains 18, a second rubber ring 8 is clamped between the first retainer ring 1 and the second retainer ring 7, and the second rubber ring 8 can enhance, the bottom of the first ring 3 is fixedly connected with a first rubber ring 4.

When the automatic exhaust device of the centrifugal pump is used, firstly, the second vertical pipe 2 is in threaded connection with an external centrifugal pump, then, a thin rod is inserted into the vertical groove 5, the first retaining ring 1 and the second retaining ring 7 are positioned, then, the hook 13 is rotated, the hook 13 is clamped with the second retaining ring 7, the threaded rod 15 is in threaded connection with the nut 14, the top of the threaded rod 15 is attached to the base 16, the round handle 16 is rotated, the threaded rod 15 is driven by the round handle 16, the hook 13 is tightly attached to the second retaining ring 7 through the matching between the threaded rod 15 and the base 16, then, the second retaining ring 7 has the force close to the first retaining ring 1, the tight connection between the first retaining ring 1 and the second retaining ring 7 is ensured, then, when the internal air pressure of the external centrifugal pump is higher, the cover body 21 is pushed, the cover body 21 drives the spring 20 to move upwards, and then, the exhaust operation is completed, when the centrifugal pump needs to be continuously exhausted, the supporting rod 26 is rotated, the cover body 21 is supported through the matching between the supporting rod 26 and the semicircular ring 27, and then the centrifugal pump can continuously exhaust.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

in the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a centrifugal pump self-bleeding device, includes first retaining ring (1), its characterized in that: the bottom of the first check ring (1) is fixedly connected with a second vertical pipe (2), the left side and the right side of the top of the first check ring (1) are respectively provided with a vertical groove (5), the inner part of each vertical groove (5) is in clearance fit with a thin rod (6), the tops of the two thin rods (6) are fixedly connected together through a second check ring (7), the top of the second check ring (7) is fixedly connected with a first vertical pipe (9), a second circular ring (19) is fixedly connected above the inner wall of the first vertical pipe (9), the top of the second circular ring (19) is fixedly connected with a spring (20), the top of the spring (20) is fixedly connected with a cover body (21), the bottom of the cover body (21) is fixedly connected with a rubber pad (22), the bottom of the rubber pad (22) is attached to the top of the first vertical pipe (9), the left side of the first check ring (1) is fixedly connected with a second support (10), and the tail end of the second support (10) is fixedly connected with a second pin shaft (, the outer wall of second round pin axle (11) has couple (13) through opening (12) clearance fit, the right side below rigid coupling of couple (13) has nut (14), the internal thread connection of nut (14) has threaded rod (15), the bottom rigid coupling of threaded rod (15) has round handle (17), the equal rigid coupling in bottom left and right sides of first retaining ring (1) has bearing (28), the inner wall rigid coupling of bearing (28) has base (16), the bottom of base (16) and the top of threaded rod (15) are laminated mutually.

2. A centrifugal pump automatic air discharging device according to claim 1, characterized in that: the outer wall right side rigid coupling of first standpipe (9) has bottom plate (23), the top rigid coupling of bottom plate (23) has first support (24), the top of first support (24) is rotated through first round pin axle (25) and is connected with branch (26), the right-hand member rigid coupling of branch (26) has semicircle ring (27).

3. A centrifugal pump automatic air discharging device according to claim 1, characterized in that: the outer wall of the second vertical pipe (2) is fixedly connected with a first circular ring (3).

4. A centrifugal pump automatic air discharging device according to claim 1, characterized in that: the outer wall of the round handle (17) is processed with grinding grains (18).

5. A centrifugal pump automatic air discharging device according to claim 1, characterized in that: and a second rubber ring (8) is clamped between the first retaining ring (1) and the second retaining ring (7).

6. a centrifugal pump automatic air discharging device according to claim 3, characterized in that: the bottom of the first circular ring (3) is fixedly connected with a first rubber ring (4).