CN210147957U

CN210147957U - Dismounting device of water pump runner

Info

Publication number: CN210147957U
Application number: CN201920914094.1U
Authority: CN
Inventors: 高科
Original assignee: Chongqing Juhao Pump Co Ltd
Current assignee: Chongqing Juhao Pump Co Ltd
Priority date: 2019-06-18
Filing date: 2019-06-18
Publication date: 2020-03-17
Anticipated expiration: 2029-06-18

Abstract

The utility model discloses a dismounting device of water pump runner, including the motor, the runner and the pump body, the motor sets up on the pump body, the runner sets up on the motor shaft, the runner sets up at pump body inner chamber, be provided with the mounting hole on the runner, the motor shaft passes the mounting hole and is connected with the runner, mounting hole and motor shaft coaxial line, connect through flat key between runner and motor shaft, the flat key is kept away from and is served and be provided with the recess on the motor, dismounting device still includes pull rod and support, pull rod one end and recess cooperation, the other end are provided with the screw rod, the support erects on the pump body, be provided with first screw hole on the support, first screw hole passes through screw-thread fit with the screw rod, pulls out the key through the in-process of screwing in first screw hole with the screw rod.

Description

Dismounting device of water pump runner

Technical Field

The utility model relates to a water pump technical field, concretely relates to dismounting device of water pump runner.

Background

Water pump, especially sewage pump in the use, have a large amount of impurity, stone etc. and get into in the pump body, and the runner of water pump needs coaxial coupling with the motor shaft, and the runner department is the through-hole usually, and the motor shaft can be at one side outcrop of runner after penetrating the motor shaft. The through-hole generally adopts spline or flat key and motor shaft to be connected, but the key-type connection can cause to have the clearance between motor shaft and the runner, and sewage or impurity mix into the clearance time and have long can the rust and corrode for the key-type connection is inconvenient to be torn open, is unfavorable for maintaining.

SUMMERY OF THE UTILITY MODEL

In view of this, the to-be-solved problem of the utility model is to provide a dismounting device of water pump runner, this device simple structure, convenient operation, the key that will connect runner and motor shaft that uses this device ability simply demolishs.

The utility model discloses an above-mentioned technical problem is solved to following technical means: the utility model provides a pair of dismounting device of water pump runner, including the motor, the runner and the pump body, the motor sets up on the pump body, the runner sets up on the motor shaft, the runner sets up at pump body inner chamber, be provided with the mounting hole on the runner, the motor shaft passes the mounting hole and is connected with the runner, mounting hole and motor shaft coaxial line, connect through the parallel key between runner and motor shaft, the parallel key is kept away from the motor and is served and be provided with the recess, dismounting device still includes pull rod and support, pull rod one end and recess cooperation, the other end are provided with the screw rod, the support erects on the pump body, be provided with first screw hole on the support, first screw hole passes through screw-thread fit with the screw rod, pulls out the key through the in-process of screwing in first screw hole with the screw rod.

Further, be provided with on motor shaft and the runner with parallel key complex keyway, the keyway is kept away from motor one end and is provided with first spout, first spout is used for inserting the recess with pull rod and recess cooperation part.

The pull rod is arranged in the first sliding groove, the two ends of the cushion block are respectively abutted to the wall of the pull rod and the wall of the first sliding groove, and the cushion block is used for pressing the pull rod in the first sliding groove to prevent the pull rod from sliding.

Furthermore, the support is provided with support legs, each support leg is provided with a positioning pin, the positioning pins are matched with the mounting holes in the pump body, the support is fixedly arranged on the pump body through the positioning pins, and the first threaded holes in the support are coaxial with the screw rods.

Furthermore, the screw rod is coaxial with the motor shaft, and the screw rod is driven to rotate by the rotation of the motor shaft and is screwed into the first threaded hole, so that an outward acting force is applied to the pull rod to pull out the flat key.

Furthermore, a second sliding groove which is the same as the first sliding groove is formed in the rotating wheel, the first sliding groove and the second sliding groove are symmetrically formed in two sides of the flat key, the first sliding groove and the second sliding groove are used for installing pull rods, and the two pull rods can be symmetrically installed on two sides of the flat key simultaneously so that the two pull rods can provide outward acting force for the flat key simultaneously.

Furthermore, the pull rod is provided with a pull plate at one end far away from the flat key, through holes are symmetrically formed in two ends of the pull plate, a second threaded hole is formed in the center of the pull plate, the screwing direction of the second threaded hole is the same as that of the first threaded hole, one end of the pull rod penetrates through the through holes and then is inserted into the groove, a baffle is arranged at the other end of the pull rod, the two pull rods are symmetrically arranged at two ends of the pull plate, one end of the screw rod is screwed into the first threaded hole, the other end of the screw rod is screwed into the second threaded hole, and the two ends of the screw rod are simultaneously screwed into the first threaded hole and the second threaded hole respectively by.

The utility model also provides a water pump, including the dismounting device of above-mentioned water pump runner.

According to the above technical scheme, the beneficial effects of the utility model are that: the utility model provides a pair of dismounting device of water pump runner, including the motor, the runner and the pump body, the motor sets up on the pump body, the runner sets up on the motor shaft, the runner sets up at pump body inner chamber, be provided with the mounting hole on the runner, the motor shaft passes the mounting hole and is connected with the runner, mounting hole and motor shaft coaxial line, connect through the parallel key between runner and motor shaft, the parallel key is kept away from the motor and is served and be provided with the recess, dismounting device still includes pull rod and support, pull rod one end and recess cooperation, the other end are provided with the screw rod, the support erects on the pump body, be provided with first screw hole on the support, first screw hole passes through screw-thread fit with the screw rod, pulls out the key through the in-process of screwing in first screw hole with the screw rod. This device is through setting up the recess on the parallel key, uses the pull rod to insert the recess, and reuse threaded screw structure demolishs the parallel key, and this device simple structure, convenient operation uses the key that this device can be simple will connect runner and motor shaft to demolish.

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 embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a three-dimensional structure diagram of the dismounting device of the water pump runner of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at position A;

FIG. 3 is a cross-sectional view of FIG. 2;

FIG. 4 is a perspective view of a flat key;

FIG. 5 is a schematic view of a motor shaft;

fig. 6 is a perspective view of another embodiment of the present invention;

FIG. 7 is a partial enlarged view of the position B of FIG. 6;

fig. 8 is a cross-sectional view of fig. 7.

Reference numerals:

1-a rotating wheel; 2-motor shaft; 3-a flat bond; 4-a scaffold; 5-a pull rod; 6-a pump body; 21-a keyway; 22-a first runner; 31-a groove; 51-screw rod; 41-a first threaded hole; 42-a leg; 11-a second chute; 52-pulling the plate; 521-a through hole; 522-second threaded hole.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

Referring to fig. 1-8, the utility model provides a dismounting device for a water pump runner, which comprises a motor, a runner 1 and a pump body 6, the motor is arranged on the pump body 6, the rotating wheel 1 is arranged on the motor shaft 2, the rotating wheel 1 is arranged in the inner cavity of the pump body 6, the rotating wheel 1 is provided with a mounting hole, the motor shaft 2 passes through the mounting hole to be connected with the rotating wheel 1, the mounting hole is coaxial with the motor shaft 2, the rotating wheel 1 is connected with the motor shaft 2 through a flat key 3, a groove 31 is arranged on one end of the flat key 3 away from the motor, the dismounting device also comprises a pull rod 5 and a bracket 4, one end of the pull rod 5 is matched with the groove 31, the other end is provided with a screw 51, the bracket 4 is erected on the pump body 6, the bracket 4 is provided with a first threaded hole 41, the first threaded hole 41 is in threaded fit with the screw 51, and the key is pulled out in the process of screwing the screw 51 into the first threaded hole 41. The device is characterized in that the flat key 3 is provided with the groove 31, the pull rod 5 is inserted into the groove 31, and the threaded screw 51 structure is used for detaching the flat key 3.

As a further improvement of the above technical solution, the motor shaft 2 and the runner 1 are provided with a key groove 21 which is matched with the flat key 3, one end of the key groove 21 away from the motor is provided with a first sliding groove 22, and the first sliding groove 22 is used for inserting the matching part of the pull rod 5 and the groove 31 into the groove 31. As shown in fig. 3 and 8, the first recess 31 is provided to facilitate the engagement of the pull rod 5 with the recess 31 by inserting the recess 31 through the chute to engage with the recess 31.

As a further improvement to the above technical solution, the pull rod device further includes a pad block, the pad block is disposed between the first sliding groove 22 and the pull rod 5, two ends of the pad block respectively abut against the walls of the pull rod 5 and the first sliding groove 22, and the pad block is used for pressing the pull rod 5 in the first sliding groove 22 to prevent the pull rod from sliding off. A spacer is provided between the first sliding groove 22 and the pull rod 5 to prevent the matching portion of the pull rod 5 and the groove 31 from retreating into the sliding groove to slide down, so that the flat key 3 cannot be pulled out, and preferably, a gap is provided between the spacer and the pull rod 5 and the first sliding groove 22 to prevent the spacer from giving resistance to the pull rod 5.

As a further improvement to the above technical solution, the support 4 is provided with support legs 42, each support leg 42 is provided with a positioning pin, the positioning pin is matched with a mounting hole on the pump body 6, the support 4 is fixedly arranged on the pump body 6 through the positioning pin, and the first threaded hole 41 on the support 4 is coaxial with the screw 51. The support legs 42 are used for supporting the support 4 on the pump body 6, and meanwhile, positioning pins are arranged, so that the position of the support 4 is determined through the cooperation of the positioning pins and mounting holes in the pump body 6, and the first threaded holes 41 and the threaded rods 51 are kept coaxial, so that the flat keys 3 can be pulled out conveniently.

In one embodiment, see fig. 1-3, the screw 51 is coaxial with the motor shaft 2, and the rotation of the motor shaft 2 rotates the screw 51 into the first threaded hole 41 to apply an outward force to the pull rod 5 to pull out the flat key 3. The screw 51 is arranged coaxially with the motor shaft 2, the screw 51 is screwed by slow rotation of the motor shaft 2, and during screwing of the screw 51 to the screw hole, the screw 51 gives an upward force to the flat key 3 to pull the flat key 3 out of the key groove 21. This method reduces the manual operation by screwing the screw 51 by the rotation of the motor shaft 2, and the screwing tension is larger.

In another embodiment, as shown in fig. 6 to 8, a second sliding groove 11 identical to the first sliding groove 22 is arranged on the rotating wheel 1, the first sliding groove 22 and the second sliding groove 11 are symmetrically arranged on both sides of the flat key 3, both the first sliding groove 22 and the second sliding groove 11 are used for installing the pull rod 5, and two pull rods 5 can be simultaneously and symmetrically installed on both sides of the flat key 3, so that the two pull rods 5 simultaneously provide an outward acting force to the flat key 3. Through being close to motor shaft 2 one side at flat key 3 and being close to one side of runner 1 and set up recess 31 respectively, and recess 31 symmetry sets up, uses two pull rods 5 respectively with the recess 31 cooperation that the symmetry set up outwards pull flat key 3 simultaneously for flat key 3's atress is more even, thereby needs to pull out flat key 3 the effort that needs littleer, pulls out flat key 3 more easily.

As a further improvement of the above technical solution, one end of the pull rod 5, which is far away from the flat key 3, is provided with a pull plate 52, two ends of the pull plate 52 are symmetrically provided with through holes 521, the center of the pull plate 52 is provided with a second threaded hole 522, the direction of rotation of the second threaded hole 522 is the same as that of the first threaded hole 41, one end of the pull rod 5, which passes through the through hole 521, is inserted into the groove 31, the other end of the pull rod 5 is provided with a baffle, and the two pull rods 5 are symmetrically arranged at two ends of the pull plate 52, one end of the screw rod 51 is screwed into the first threaded hole 41, the other end of the screw rod 51 is screwed into the second threaded hole 522, and the two ends of the screw rod 51 are respectively screwed into the first threaded hole 41 and the. The pull plate 52 is arranged, the second threaded hole 522 matched with the screw rod 51 is arranged in the center of the pull rod 5, the first threaded hole 41 and the second threaded hole 522 are respectively screwed into the two ends of the screw rod 51 simultaneously, so that the pull plate 52 and the pull rod 5 are provided with outward acting force to pull out the flat key 3, the second threaded hole 522 is arranged in the center of the pull plate 52, the through holes 521 for installing the pull plate 52 are symmetrically arranged at the two ends of the pull plate 52, the pull plate 52 is symmetrically arranged on the two sides of the second threaded hole 522, so that the screw rod 51 acts on the flat key 3 and directly faces upwards, and the acting force for the flat key 3 is directly upwards, so that the flat key 3 is pulled out more easily. The first and second screw holes 41 and 522 are arranged in the same rotational direction so that when the screw 51 is screwed in one direction, the screw 51 is screwed into the first and second screw holes 41 and 522 at the same time.

The utility model also provides a water pump, including the dismounting device of above-mentioned water pump runner. The water pump comprising the dismounting device of the water pump rotating wheel facilitates the dismounting and maintenance of the rotating wheel, and is more favorable for maintenance.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. The utility model provides a dismounting device of water pump runner which characterized in that: the dismounting device comprises a motor, a rotating wheel (1) and a pump body (6), wherein the motor is arranged on the pump body (6), the rotating wheel (1) is arranged on a motor shaft (2), the rotating wheel (1) is arranged in an inner cavity of the pump body (6), a mounting hole is formed in the rotating wheel (1), the motor shaft (2) penetrates through the mounting hole to be connected with the rotating wheel (1), the mounting hole is coaxial with the motor shaft (2), the rotating wheel (1) and the motor shaft (2) are connected through a flat key (3), a groove (31) is formed in one end, away from the motor, of the flat key (3), the dismounting device further comprises a pull rod (5) and a support (4), one end of the pull rod (5) is matched with the groove (31), a screw rod (51) is arranged at the other end of the pull rod, the support (4) is erected on the pump body (6), a first threaded hole (41) is formed in the support (4), and the first threaded hole (41) is matched, the key is pulled out by screwing the screw (51) into the first screw hole (41).

2. The dismounting device for the water pump runner according to claim 1, wherein: be provided with on motor shaft (2) and runner (1) with parallel key (3) complex keyway (21), keyway (21) are kept away from motor one end and are provided with first spout (22), first spout (22) are used for inserting recess (31) with pull rod (5) and recess (31) cooperation part.

3. The dismounting device for the water pump runner according to claim 2, wherein: the novel pull rod structure is characterized by further comprising a cushion block, wherein the cushion block is arranged between the first sliding groove (22) and the pull rod (5), two ends of the cushion block are respectively abutted to the walls of the pull rod (5) and the first sliding groove (22), and the cushion block is used for pressing the pull rod (5) in the first sliding groove (22) to prevent the pull rod from sliding off.

4. The dismounting device for the water pump runner according to claim 1, wherein: the support (4) is provided with support legs (42), each support leg (42) is provided with a positioning pin, the positioning pins are matched with mounting holes in the pump body (6), the support (4) is fixedly arranged on the pump body (6) through the positioning pins, and a first threaded hole (41) in the support (4) is coaxial with the screw rod (51).

5. A dismounting device for a water pump rotor according to any one of claims 1-4, characterized in that: the screw rod (51) is coaxial with the motor shaft (2), and the screw rod (51) is driven to rotate to be screwed into the first threaded hole (41) through the rotation of the motor shaft (2), so that an outward acting force is applied to the pull rod (5) to pull out the flat key (3).

6. A dismounting device for a water pump rotor according to any one of claims 1-4, characterized in that: be provided with on runner (1) second spout (11) the same with first spout (22), first spout (22) and second spout (11) symmetry set up in parallel key (3) both sides, first spout (22) and second spout (11) all are used for installing pull rod (5), can make two pull rod (5) provide outside effort to parallel key (3) simultaneously in the both sides of parallel key (3) with two pull rod (5) symmetry installation simultaneously.

7. The dismounting device for the water pump runner according to claim 6, wherein: the pull rod (5) is provided with a pull plate (52) at one end far away from the flat key (3), through holes (521) are symmetrically formed in two ends of the pull plate (52), a second threaded hole (522) is formed in the center of the pull plate (52), the rotating directions of the second threaded hole (522) and the first threaded hole (41) are the same, one end of the pull rod (5) penetrates through the through holes (521) and then is inserted into the groove (31), a baffle is arranged at the other end of the pull rod, the two pull rods (5) are symmetrically arranged at two ends of the pull plate (52), one end of the screw rod (51) is screwed into the first threaded hole (41), the other end of the screw rod (51) is screwed into the second threaded hole (522), and the two ends of the screw rod (51) are simultaneously screwed into the first threaded hole (41) and the second threaded hole (522) respectively by rotating the screw rod (51), so that an.

8. A water pump, characterized by: a dismounting device comprising a water pump rotor according to any one of claims 1 to 7.