CN214698469U

CN214698469U - Fluid pump impeller with retaining structure

Info

Publication number: CN214698469U
Application number: CN202121263621.0U
Authority: CN
Inventors: 刘新东; 王林孝; 王绍荣
Original assignee: Zibo Qingdong Machinery Manufacturing Co ltd
Current assignee: Zibo Qingdong Machinery Manufacturing Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-12
Anticipated expiration: 2031-06-08

Abstract

The utility model belongs to the technical field of fluid pump impeller technique and specifically relates to a fluid pump impeller of assembly stopping structure, including impeller body, the semicircle shell of two symmetries is placed on impeller body's surface, two connect through positioning mechanism between semicircle shell's one end and the impeller body, two connect through a plurality of stop gear between the semicircle shell, two the other end of semicircle shell is connected with the moving mechanism, the moving mechanism includes the installed part, the installed part passes through the screw and installs the outside at the semicircle shell, the screw has been seted up on the surface of installed part. The utility model discloses a set up two semicircle shell covers, establish two semicircle shell cover in the epaxial while of main shaft at the impeller cover and establish the surface at the main shaft for play the effect of stopping to the impeller, dismantle loaded down with trivial details shortcoming for current stopping packing ring, two semicircle shell covers are convenient to be taken out on the main shaft, and then have improved the convenience of operation.

Description

Fluid pump impeller with retaining structure

Technical Field

The utility model relates to a fluid pump impeller technical field especially relates to a fluid pump impeller of assembly stopping structure.

Background

The impeller is an important working part of the water pump, and the shape, the size, the processing technology and the like of the impeller have decisive influence on the performance of the water pump. The effect of water pump impeller is that the energy of prime mover input is passed to liquid, and the impeller is installed on the main shaft in the pump to one side of impeller is equipped with the stopping gasket, and the stopping gasket is used for preventing impeller horizontal migration on the main shaft, and the stopping gasket need be earlier dismantled the impeller when changing after damaging, takes out the stopping gasket from the main shaft again, and the mode of changing the stopping gasket like this is comparatively loaded down with trivial details, and then reduces the convenience of operation.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing a fluid pump impeller with an assembly retaining structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a fluid pump impeller with a backstop structure comprises an impeller body, wherein two symmetrical semi-circular-arc casing shells are placed on the surface of the impeller body, one ends of the two semi-circular-arc casing shells are connected with the impeller body through a positioning mechanism, the two semi-circular-arc casing shells are connected through a plurality of limiting mechanisms, the other ends of the two semi-circular-arc casing shells are connected with a movable mechanism, the movable mechanism comprises an installation piece, the installation piece is installed outside the semi-circular-arc casing shells through screws, screw holes are formed in the surface of the installation piece, second studs are installed on the internal threads of the screw holes, a concave piece is movably sleeved at one end of each second stud, circular ring pieces are fixedly sleeved on the surfaces of the second studs, the surfaces of the two circular ring pieces are respectively contacted with two symmetrical surfaces of the concave piece, and first fixing pieces are installed at the two ends of the concave piece through screws, the both ends of first mounting all have the installation pole, two through the screw installation the one end of installation pole runs through the surface of installed part and extends to one side of installed part, a plurality of universal ball are installed through the screw in the surface of first mounting.

Preferably, the positioning mechanism comprises a first stud, two second fixing pieces and two fixing columns, wherein one ends of the two fixing columns are welded on the surface of the impeller body, one ends of the second fixing pieces are installed outside the semi-circular arc casing through screws, the second fixing pieces are movably sleeved on the surfaces of the two fixing columns, a long condition is movably sleeved between the two fixing columns, one end of the first stud is welded on the surface of the impeller body, the positions of the first stud and the long condition correspond, the other end of the first stud penetrates through the surface of the long condition and extends to one side of the long condition, a threaded sleeve is arranged at the other end of the first stud, and the end of the threaded sleeve is in contact with the surface of the long condition.

Preferably, stop gear includes first rectangular piece and the rectangular piece of second, first rectangular piece and the rectangular piece of second pass through the screw mounting in the outside of two semicircle casings, the dovetail has been seted up on the surface of the rectangular piece of second, the dovetail piece has been installed through the screw mounting in the surface of first rectangular piece, the inside at the dovetail is installed in the dovetail piece matching.

Preferably, one end of the mounting rod is provided with a stop block through a screw, and the radial dimension of the stop block is larger than that of the mounting rod.

Preferably, at least three universal balls are arranged, and the three universal balls are arranged at equal angles.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses a set up two semicircle shell covers, two semicircle shell covers establish on the surface of main shaft when the impeller cover establishes on the main shaft for play the effect of stopping to the impeller, dismantle loaded down with trivial details shortcoming for current stopping packing ring, two semicircle shell covers are convenient to take out on the main shaft, and then improved the convenience of operation;

the utility model discloses a set up slide mechanism, the ball end of the universal ball among the slide mechanism and the inner wall contact of the pump body, consequently, when the main shaft drove two semi-circular arc casing shells and rotates in step, two semi-circular arc casing shells drove universal ball and rotate in the inner wall of the pump body, reduced the frictional force of the individual pump body inner wall contact of two semi-circular arc casing shells, improved the stability of two semi-circular arc casing shells to the impeller stopping.

Drawings

Fig. 1 is an isometric view of a fluid pump impeller with an assembled backstop structure in accordance with the present invention;

fig. 2 is a schematic structural view of two semi-circular arc casing shells and a sliding mechanism of a fluid pump impeller with an assembled retaining structure according to the present invention;

fig. 3 is a schematic view of a connecting structure between a semi-circular casing and a positioning mechanism of an impeller of a fluid pump equipped with a retaining structure according to the present invention;

fig. 4 is a schematic structural view of a limiting mechanism of a fluid pump impeller with an assembled retaining structure according to the present invention;

fig. 5 is a schematic view of a connection structure between a second stud and a concave member of a fluid pump impeller with a retaining structure according to the present invention.

In the figure: the impeller comprises an impeller body 1, a first long strip 2, a stop block 3, a mounting piece 4, a first fixing piece 5, a universal ball 6, a semicircular arc casing 7, a fixing column 8, a first stud 9, a screw pipe 10, a long strip 11, a second fixing piece 12, a second long strip 13, a second stud 14, a screw hole 15, a concave piece 16, a mounting rod 17, a dovetail block 18, a dovetail groove 19 and a circular ring piece 20.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-5, the fluid pump impeller with the retaining structure comprises an impeller body 1, two symmetrical semi-circular arc casing shells 7 are placed on the surface of the impeller body 1, one ends of the two semi-circular arc casing shells 7 are connected with the impeller body 1 through a positioning mechanism, the positioning mechanism comprises a first stud 9, two second fixing pieces 12 and two fixing columns 8, one ends of the two fixing columns 8 are welded on the surface of the impeller body 1, one ends of the two second fixing pieces 12 are installed outside the semi-circular arc casing shells 7 through screws, the two second fixing pieces 12 are movably sleeved on the surfaces of the two fixing columns 8, a long condition 11 is movably sleeved between the two fixing columns 8, one end of the first stud 9 is welded on the surface of the impeller body 1, the positions of the first stud 9 and the long condition 11 correspond, the other end of the first stud 9 penetrates through the surface of the long condition 11 and extends to one side of the long condition 11, the other end of the first stud 9 is threaded with a screw tube 10, and the end of the screw tube 10 is in contact with the surface of the long member 11. In order to facilitate the stable connection between the two semicircular arc casing shells 7 and the impeller, only the semicircular arc casing shells 7 need to be taken up firstly, two second fixing pieces 12 on the semicircular arc casing shells 7 are sleeved on two fixing columns 8 of the impeller, then two ends of a long strip 11 are sleeved on the surfaces of the two fixing columns 8, meanwhile, the long strip 11 is further sleeved on the surface of a first stud 9, then a threaded sleeve of a solenoid 10 is sleeved on the surface of the first stud 9, one end of the solenoid 10 is abutted on the surface of the long strip 11, the long strip 11 is limited, the stability of the long strip 11 pressed on the two second fixing pieces 1 is improved, the semicircular arc casing shells 7 are pressed and positioned, and the stability of the connection between the semicircular arc casing shells 7 and the impeller is improved.

Two semicircle shell 7 are connected through a plurality of stop gear between, stop gear includes first rectangular piece 2 and second rectangular piece 13, and first rectangular piece 2 and second rectangular piece 13 pass through the mounting screw in the outside of two semicircle shell 7, and dovetail 19 has been seted up on the surface of second rectangular piece 13, and there is dovetail 18 on the surface of first rectangular piece 2 through the mounting screw, and dovetail 18 matches and installs the inside at dovetail 19. In order to improve the stability of connection between two semi-circular arc casing shells 7, before connecting two semi-circular arc casing shells 7 and impeller, for the operation of staff, still need to connect two semi-circular arc casing shells 7 fixedly, when the operation, only need take up two semi-circular arc casing shells 7, with in the dovetail 19 of another semi-circular arc casing shell 7 of pegging graft in the dovetail 18 slip on one of them semi-circular arc casing shell 7 for improve the stability of connecting between two semi-circular arc casing shells 7.

The other end of two semicircle cover shells 7 is connected with movable mechanism, movable mechanism includes installed part 4, installed part 4 passes through the screw installation in the outside of semicircle cover shell 7, screw 15 has been seted up on the surface of installed part 4, second double-screw bolt 14 is installed to the internal thread of screw 15, the one end activity cover of second double-screw bolt 14 is equipped with concave type spare 16, the fixed cover in surface of second double-screw bolt 14 is equipped with ring piece 20, two ring piece 20's surface respectively with two symmetrical surface contact of concave type spare 16, first mounting 5 is installed through the screw at the both ends of concave type spare 16, the mounting bar 17 is all installed through the screw at the both ends of first mounting 5, the one end of two mounting bars 17 runs through the surface of installed part 4 and extends to one side of installed part 4, there are a plurality of universal ball 6 on the surface of first mounting 5 through the screw installation. The universal ball 6 is at least provided with three universal balls 6 which are arranged at equal angles. The arrangement of the universal balls 6 reduces the friction force of the semicircular arc casing 7 when sliding on the inner wall of the pump body, avoids the abrasion between the semicircular arc casing 7 and the pump body, and plays a role in protecting the two. Because the types and the types of the fluid pumps are different, the length of the semicircular arc casing 7 which is arranged on the main shaft and is far away from the inner wall of the pump body is different, in order to adapt to the sliding contact between the universal ball 6 and the inner wall of the pump body, only the second stud 14 needs to be rotated, the second stud 14 rotates in the screw hole 15 through internal threads, the second stud 14 drives the ring piece 20 to synchronously rotate, meanwhile, one of the ring pieces 20 pushes the concave piece 16, the concave piece 16 pushes the first fixing piece 5, the first fixing piece 5 drives the universal ball 6 to synchronously move towards the inner wall of the pump body, when the ball end of the universal ball 6 is contacted with the inner wall of the pump body, the work of the second stud 14 can be stopped for completing the operation, and the screw hole 15 is in threaded connection with the second stud 14, so that the contact stability between the universal ball 6 and the inner wall of the pump body is improved. The installation rod 17 is arranged to prevent the first fixing member 5 from being displaced during the moving process, so as to improve the stability of the first fixing member 5 during the moving process.

One end of the mounting rod 17 is provided with a stop block 3 through a screw, and the radial dimension of the stop block 3 is larger than that of the mounting rod 17. The stop 3 is used for limiting the sliding of the mounting rod 17, and the stability of the first fixing piece 5 in moving is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The fluid pump impeller provided with the retaining structure comprises an impeller body (1) and is characterized in that two symmetrical semi-circular arc casing shells (7) are placed on the surface of the impeller body (1), one ends of the two semi-circular arc casing shells (7) are connected with the impeller body (1) through a positioning mechanism, the two semi-circular arc casing shells (7) are connected through a plurality of limiting mechanisms, the other ends of the two semi-circular arc casing shells (7) are connected with a moving mechanism, the moving mechanism comprises an installation part (4), the installation part (4) is installed outside the semi-circular arc casing shells (7) through screws, a screw hole (15) is formed in the surface of the installation part (4), a second stud (14) is installed on the inner thread of the screw hole (15), a concave part (16) is movably sleeved at one end of the second stud (14), a circular ring part (20) is fixedly sleeved on the surface of the second stud (14), the surfaces of the two circular ring pieces (20) are respectively contacted with two symmetrical surfaces of the concave piece (16), first fixing pieces (5) are installed at two ends of the concave piece (16) through screws, installing rods (17) are installed at two ends of each first fixing piece (5) through screws, one ends of the two installing rods (17) penetrate through the surface of the installing piece (4) and extend to one side of the installing piece (4), and a plurality of universal balls (6) are installed on the surface of the first fixing piece (5) through screws.

2. The fluid pump impeller with the retaining structure assembled thereon as claimed in claim 1, wherein the positioning mechanism comprises a first stud (9), two second fixing members (12) and two fixing posts (8), one end of each fixing post (8) is welded on the surface of the impeller body (1), one end of each second fixing member (12) is mounted on the outer portion of the semicircular arc casing (7) through a screw, the two second fixing members (12) are movably sleeved on the surfaces of the two fixing posts (8), a long member (11) is movably sleeved between the two fixing posts (8), one end of the first stud (9) is welded on the surface of the impeller body (1), the positions of the first stud (9) and the long member (11) correspond, the other end of the first stud (9) penetrates through the surface of the long member (11) and extends to one side of the long member (11), the other end of the first stud (9) is sleeved with a screw tube (10) in a threaded manner, and the end part of the screw tube (10) is in contact with the surface of the long member (11).

3. The fluid pump impeller assembled with the retaining structure is characterized in that the limiting mechanism comprises a first long block (2) and a second long block (13), the first long block (2) and the second long block (13) are installed on the outer portions of the two semicircular arc casings (7) through screws, a dovetail groove (19) is formed in the surface of the second long block (13), a dovetail block (18) is installed on the surface of the first long block (2) through screws, and the dovetail block (18) is installed inside the dovetail groove (19) in a matching mode.

4. Fluid pump impeller equipped with a retaining structure, according to claim 1, characterized in that one end of the mounting rod (17) is fitted with a stop (3) by means of screws, the radial dimension of the stop (3) being greater than the radial dimension of the mounting rod (17).

5. The impeller for a fluid pump equipped with a retaining structure according to claim 1, wherein there are at least three said balls (6), and three said balls (6) are arranged at equal angles.