Multifunctional sand pump impeller

Abstract

The utility model discloses a multifunctional sand pump impeller, which relates to the technical field of impellers and comprises a rear cover plate, a plurality of blades are arranged on one side of the rear cover plate, a front cover plate is arranged on one side, far away from the rear cover plate, of each blade, two sides of each blade are fixedly connected with two fixing blocks, and the fixing blocks are fixedly connected with the rear cover plate. A plurality of inserting holes are formed in the side walls of the front cover plate and the rear cover plate, each fixing block is matched with the corresponding inserting hole, a cavity is formed in each fixing block, a fixing mechanism is arranged in each cavity, and the fixing mechanisms are arranged in the cavities. And each blade is fixedly connected between the front cover plate and the rear cover plate through a corresponding fixing mechanism. According to the utility model, the rear cover plate, the front cover plate and each blade are separated, so that when one blade is damaged, only the damaged blade needs to be replaced, and the remaining blades can be used subsequently, thereby saving resources.

Description

Technical Field

[0001] The utility model relates to the technical field of impellers, in particular to a multifunctional sand pump impeller. Background Art

[0002] The impeller refers to the wheel disk with moving blades, which is a component of the impulse steam turbine rotor, and can also refer to the general term for the wheel disk and the rotating blades installed on it. Impellers can be classified according to their shape and opening and closing conditions.

[0003] After searching, an impeller with publication number CN215486795U is found, which includes an impeller seat, a plurality of impeller blades and a cover plate assembly. The impeller seat and the cover plate assembly are arranged face to face, and a connecting rod is fixed between the impeller seat and the cover plate assembly; the connecting rod is perpendicular to the impeller seat and the cover plate assembly; one side of the impeller blade is hinged to the connecting rod; a connecting piece for fixing the impeller blade is provided between the impeller blade and the impeller seat and / or the cover plate assembly.

[0004] However, if the existing impeller is installed in a sand pump, the sand and gravel will rub against the blades of the impeller during the sand pump's sand suction process, which will cause damage over time. When one blade is damaged, the entire impeller cannot be used and can only be replaced with a new impeller, resulting in a waste of resources. Utility Model Content

[0005] In view of the above problems existing in the existing impeller, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a multifunctional sand pump impeller, which solves the problem that sand and gravel will rub against the blades of the impeller during the sand pump sand suction process, which will cause damage after a long time. When one blade is damaged, the entire impeller cannot be used and can only be replaced with a new impeller, thus causing the problem of waste of resources.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A multifunctional sand pump impeller comprises a rear cover plate, a plurality of blades are arranged on one side of the rear cover plate, a front cover plate is arranged on the side of each blade away from the rear cover plate, two fixing blocks are fixedly connected to both sides of each blade, a plurality of plug holes are provided on the side walls of the front cover plate and the rear cover plate, each of the fixing blocks matches with the corresponding plug holes, a cavity is provided inside each of the fixing blocks, a fixing mechanism is provided inside each of the cavities, and each of the blades is fixedly connected between the front cover plate and the rear cover plate through the corresponding fixing mechanism.

[0009] Preferably, the fixing mechanism includes a plurality of first trapezoidal blocks, a plurality of second trapezoidal blocks, a plurality of sleeves, a plurality of screw rods and a plurality of knobs, each of the two sides of the cavity is provided with square holes, each of the first trapezoidal blocks is slidably arranged in the corresponding square hole, a circular groove is provided on one side of each of the fixing blocks, a through hole is provided between each of the circular grooves and the corresponding cavity, each of the screw rods is rotatably connected to the inside of the corresponding through hole, each of the sleeves is threadedly sleeved on the rod wall of the corresponding screw rod, each of the second trapezoidal blocks is fixedly connected to the end of the corresponding sleeve away from the screw rod and matches the corresponding two first trapezoidal blocks respectively, one end of each screw rod away from the corresponding second trapezoidal block passes through the side wall of the corresponding cavity and extends to the inside of the corresponding groove, each of the knobs is respectively arranged in the inside of the corresponding circular groove and fixedly connected to one end of the corresponding screw rod, and a hexagonal groove is provided on the surface of each knob, so an hexagonal wrench is required when rotating.

[0010] Preferably, both sides of each of the jacks are provided with limiting grooves, and each of the limiting grooves matches with the corresponding first trapezoidal block.

[0011] Preferably, a placement groove is provided on one side of the rear cover plate and the front cover plate that are close to each other, and each placement groove matches with a corresponding blade.

[0012] Preferably, a center hole is formed on the side wall of the rear cover plate, and a feed hole is formed on one side of the front cover plate.

[0013] Preferably, the inclined surface of each of the second trapezoidal blocks is fixedly connected to a T-shaped block, the inclined surface of each of the first trapezoidal blocks is provided with a T-shaped slot, and each of the T-shaped blocks is slidably disposed inside the corresponding T-shaped slot.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model separates the rear cover plate, the front cover plate and each blade, so when one of the blades is damaged, only the damaged one needs to be replaced, and the remaining blades can be used continuously, thereby saving resources.

[0016] 2. The utility model places the impeller into the corresponding placement groove. During this process, each fixing block is inserted into the corresponding socket. Next, the corresponding knobs are rotated in turn. Then, each screw rod rotates and drives the sleeve to move downward. Then, each second trapezoidal block can squeeze the corresponding first trapezoidal block into the corresponding placement groove, so that the impeller can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the connection structure between each blade and the rear end cover of the utility model;

[0020] Figure 3 It is a cross-sectional view of the fixing block of the utility model;

[0021] Figure 4 For the utility model Figure 1 A magnified schematic diagram of part A.

[0022] Figure 5 It is a three-dimensional diagram of the connection between the first trapezoidal block and the second trapezoidal block of the utility model.

[0023] Description of reference numerals:

[0024] 1. Rear cover; 2. Blades; 3. Front cover; 4. Fixed block; 5. First trapezoidal block; 6. Second trapezoidal block; 7. Sleeve; 8. Screw rod; 9. Knob; 10. T-shaped block. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] The utility model embodiment discloses a multifunctional sand pump impeller.

[0027] The utility model provides Figure 1-4 A multifunctional sand pump impeller shown includes a rear cover plate 1, a plurality of blades 2 are arranged on one side of the rear cover plate 1, a front cover plate 3 is arranged on the side of each blade 2 away from the rear cover plate 1, two fixing blocks 4 are fixedly connected to both sides of each blade 2, a plurality of plug holes are opened on the side walls of the front cover plate 3 and the rear cover plate 1, each fixing block 4 is matched with the corresponding plug hole, a cavity is opened inside each fixing block 4, a fixing mechanism is arranged inside each cavity, and each blade 2 is fixedly connected between the front cover plate 3 and the rear cover plate 1 through the corresponding fixing mechanism.

[0028] By separating the rear cover plate 1, the front cover plate 3 and each blade 2, when one of the blades 2 is damaged, only the damaged one can be replaced, and the remaining blades 2 can be used continuously, thereby saving resources.

[0029] In order to fix the blade 2, Figure 1-4 As shown, the fixing mechanism includes a plurality of first trapezoidal blocks 5, a plurality of second trapezoidal blocks 6, a plurality of sleeves 7, a plurality of screw rods 8 and a plurality of knobs 9. Square holes are provided on both sides of each cavity. Each first trapezoidal block 5 is slidably arranged inside the corresponding square hole. A circular groove is provided on one side of each fixing block 4. A through hole is provided between each circular groove and the corresponding cavity. Each screw rod 8 is rotatably connected to the inside of the corresponding through hole. Each sleeve 7 is threadedly sleeved on the rod wall of the corresponding screw rod 8. Each second trapezoidal block 6 is fixedly connected to the corresponding sleeve 7 away from the One end of the screw rod 8 is matched with the corresponding two first trapezoidal blocks 5 respectively, and the end of each screw rod 8 away from the corresponding second trapezoidal block 6 passes through the side wall of the corresponding cavity and extends to the inside of the corresponding groove. Each knob 9 is arranged inside the corresponding circular groove and is fixedly connected to one end of the corresponding screw rod 8 respectively. A placement groove is provided on the side where the rear cover plate 1 and the front cover plate 3 are close to each other, and each placement groove is matched with the corresponding blade 2 respectively. Limiting grooves are provided on both sides of each jack, and each limiting groove is matched with the corresponding first trapezoidal block 5 respectively.

[0030] Place the impeller 2 into the corresponding placement groove. During this process, each fixing block 4 is inserted into the corresponding socket. Next, the corresponding knobs 9 are rotated in turn. Then each screw rod 8 rotates and drives the sleeve 7 to move downward. Then each second trapezoidal block 6 can squeeze the corresponding first trapezoidal block 5 into the corresponding placement groove, so that the impeller 2 can be fixed.

[0031] In order to facilitate the installation of the device, Figure 1-2 As shown, a central hole is opened on the side wall of the rear cover plate 1, and a feed hole is opened on one side of the front cover plate 3.

[0032] The device can be installed inside different pump bodies by using the center hole, so that the impeller can have other functions, and the feed hole can facilitate the entry of sand and gravel.

[0033] Finally, in order to enable each first trapezoidal block 5 to move following the second trapezoidal block 6, as shown in FIG. Figure 5 As shown, the inclined surface of each second trapezoidal block 6 is fixedly connected with a T-shaped block 10, and the inclined surface of each first trapezoidal block 5 is provided with a T-shaped slot, and each T-shaped block 10 is slidably disposed inside the corresponding T-shaped slot.

[0034] Each T-shaped block 10 can be used to enable each first trapezoidal block 5 to move following the corresponding second trapezoidal block 6 .

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A multifunctional sand pump impeller, comprising a rear cover plate (1), It is characterized in that A plurality of blades (2) are arranged on one side of the rear cover plate (1); a front cover plate (3) is arranged on the side of each blade (2) away from the rear cover plate (1); two fixing blocks (4) are fixedly connected to both sides of each blade (2); a plurality of plug holes are provided on the side walls of the front cover plate (3) and the rear cover plate (1); each fixing block (4) matches a corresponding plug hole; a cavity is provided inside each fixing block (4); a fixing mechanism is provided inside each cavity; and each blade (2) is fixedly connected between the front cover plate (3) and the rear cover plate (1) via a corresponding fixing mechanism.

2. The multifunctional sand pump impeller according to claim 1, It is characterized in that The fixing mechanism comprises a plurality of first trapezoidal blocks (5), a plurality of second trapezoidal blocks (6), a plurality of sleeves (7), a plurality of screw rods (8) and a plurality of knobs (9). Square holes are provided on both sides of each cavity. Each of the first trapezoidal blocks (5) is slidably arranged inside the corresponding square hole. A circular groove is provided on one side of each fixing block (4). A through hole is provided between each circular groove and the corresponding cavity. Each of the screw rods (8) is rotatably connected to the inside of the corresponding through hole. Each of the sleeves (7) is threadedly sleeved on the rod wall of the corresponding screw rod (8). Each of the second trapezoidal blocks (6) is fixedly connected to one end of the corresponding sleeve (7) away from the screw rod (8) and matches with the corresponding two first trapezoidal blocks (5). One end of each of the screw rods (8) away from the corresponding second trapezoidal block (6) passes through the side wall of the corresponding cavity and extends to the inside of the corresponding groove. Each of the knobs (9) is arranged inside the corresponding circular groove and fixedly connected to one end of the corresponding screw rod (8).

3. The multifunctional sand pump impeller according to claim 1, It is characterized in that Limiting grooves are provided on both sides of the interior of each of the insertion holes, and each of the limiting grooves matches with a corresponding first trapezoidal block (5).

4. The multifunctional sand pump impeller according to claim 1, It is characterized in that The rear cover plate (1) and the front cover plate (3) are both provided with placement grooves on one side close to each other, and each placement groove matches a corresponding blade (2).

5. The multifunctional sand pump impeller according to claim 1, It is characterized in that A central hole is provided on the side wall of the rear cover plate (1), and a feed hole is provided on one side of the front cover plate (3).

6. The multifunctional sand pump impeller according to claim 2, It is characterized in that The inclined surface of each second trapezoidal block (6) is fixedly connected to a T-shaped block (10), the inclined surface of each first trapezoidal block (5) is provided with a T-shaped slot, and each T-shaped block (10) is slidably arranged inside a corresponding T-shaped slot.

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