Pump shaft charge bar structure

Abstract

The utility model relates to the technical field of pump shafts, in particular to a pump shaft charge bar structure which comprises a pump shaft body and a screw, the inner wall of the screw abuts against the screw, the end of the screw is in threaded connection with a nut, the outer wall of the nut abuts against the pump shaft body, an arc-shaped groove is machined in the inner wall of the pump shaft body, and the arc-shaped groove is in threaded connection with the end of the screw. The end of the middle of the pump shaft body is fixedly connected with a charge bar, and the end of the outer side of the pump shaft body is connected with a limiting mechanism. A material bar on a pump shaft body is driven by an external motor shaft to rotate, bearings on the inner side of a fixing ring at the end of the pump shaft body rotate, a limiting base at the lower end of a limiting barrel is fixed to other objects through screws, and through limitation of the space of the limiting barrel, when external disintegrating slag objects enter the limiting barrel from an opening, the limiting barrel rotates; and the pump shaft body and the charge bar can push objects for conveying, other working requirements can be met, and the use function is expanded.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump shaft field technical field, concretely is a kind of pump shaft bar structure. BACKGROUND

[0002] The connecting mode of the pump shaft and the motor shaft of the compact end suction pump mainly has two kinds.One is that the pump shaft is machined into an inner hole, the motor shaft head is sleeved into the inner hole, and torque is transmitted by key connection.The other is that the pump shaft and the motor shaft are clamped by a shaft coupling to transmit torque.

[0003] For example, a kind of pump shaft with the authorized announcement number "CN206972598U", although it solves the problem of complex processing technology and high cost of coupling of the existing pump shaft, the above-mentioned reliable connection with motor shaft can also make installation and removal very convenient, improve product reliability, shorten product assembly time, considering that the existing pump shaft is only connected with motor, other work requirements cannot be met, leading to single use function. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the existing pump shaft cannot meet other work requirements, leading to single use function, and provides a kind of pump shaft bar structure.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pump shaft bar structure, including pump shaft body and screw, the inner wall of the screw is tightly closed with screw, the end of the screw is connected with nut thread, the outer wall of the nut is tightly closed with pump shaft body, the inner wall of the pump shaft body is machined with arc slot, the end of the middle part of the pump shaft body is fixedly connected with bar, the end of the outer side of the pump shaft body is connected with limiting mechanism.

[0006] Preferably, the limiting mechanism includes a fixed ring, the outer wall of the fixed ring is fixedly connected with the pump shaft body, the inner wall of the fixed ring is fixedly connected with the bearing, the inner wall of the bearing is fixedly connected with the limiting cylinder, and the lower end of the limiting cylinder is fixedly connected with the limiting seat.

[0007] Preferably, the inner wall of the limiting cylinder is machined with a fixing hole, and the inner wall of the arc slot is connected with a reinforcing mechanism.

[0008] Preferably, the reinforcing mechanism includes an arc-shaped strip, the outer wall of the arc-shaped strip is slidably connected with the arc-shaped slot, the outer wall of the arc-shaped strip is fixedly connected with a rubber arc-shaped plate, and the inner wall of the rubber arc-shaped plate is machined with a first threaded hole.

[0009] Preferably, the upper end of the limiting cylinder is machined with an opening and a second threaded hole.

[0010] Preferably, the end of the bar is fixedly connected with a square block.

[0011] The pump shaft material rod structure has the beneficial effects that the material rod on the pump shaft body is driven to rotate by the external motor shaft, rotates between the bearings in the inner side of the end portion fixing ring of the pump shaft body, the limiting seat at the lower end of the limiting cylinder is screwed with other objects, the pump shaft body and the material rod can push and transport objects after the external slag objects enter the limiting cylinder from the opening, other work requirements can be met, and the use function is expanded. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is Figure 1 It is a middle front view sectional structure schematic view;

[0014] Figure 3 It is Figure 1 It is a middle side view sectional structure schematic view;

[0015] Figure 4 It is Figure 2 It is an enlarged structure schematic view of A in the middle;

[0016] Figure 5 It is Figure 3 It is an enlarged structure schematic view of B in the middle;

[0017] Figure 6 It is Figure 3 It is an enlarged structure schematic view of C in the middle.

[0018] In the drawing: 1, pump shaft body, 2, screw, 3, nut, 4, arc-shaped groove, 5, material rod, 6, limiting mechanism, 601, fixing ring, 602, bearing, 603, limiting cylinder, 604, limiting seat, 7, fixing hole, 8, reinforcing mechanism, 801, arc-shaped strip, 802, rubber arc-shaped plate, 803, first threaded hole, 9, opening, 10, second threaded hole, 11, square block. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the drawings:

[0020] Example 1: please refer to Figures 1-6 In the embodiment, a pump shaft material rod structure comprises a pump shaft body 1 and a screw 2, the inner wall of the screw 2 is tightly abutted with the screw 2, the end of the screw 2 is threadedly connected with a nut 3, the outer wall of the nut 3 is tightly abutted with the pump shaft body 1, the inner wall of the pump shaft body 1 is processed with an arc-shaped groove 4, the end of the middle part of the pump shaft body 1 is fixedly connected with a material rod 5, and the end of the outer side of the pump shaft body 1 is connected with a limiting mechanism 6.

[0021] The limiting mechanism 6 comprises a fixed ring 601, which is fixed with other objects by a limiting seat 604 at the lower end of a limiting cylinder 603, and the movement state of the limiting cylinder 603 is limited by the space limitation of the limiting cylinder 603, the outer wall of the fixed ring 601 is fixedly connected with the pump shaft body 1, the inner wall of the fixed ring 601 is fixedly connected with a bearing 602, the inner wall of the bearing 602 is fixedly connected with the limiting cylinder 603, and the lower end of the limiting cylinder 603 is fixedly connected with the limiting seat 604;

[0022] The external motor shaft drives the material rod 5 on the pump shaft body 1 to rotate, the material rod 5 rotates between the bearings 602 on the inner side of the end fixed ring 601 of the pump shaft body 1, the limiting seat 604 at the lower end of the limiting cylinder 603 is fixed with other objects by a screw, and the space of the limiting cylinder 603 is limited, when the external slag object enters the limiting cylinder 603 from the opening 9, the pump shaft body 1 and the material rod 5 can push the object to achieve the effect of conveying, and other working requirements can be achieved, and the use function is expanded.

[0023] The inner wall of the limiting cylinder 603 is processed with a fixed hole 7, the inner wall of the arc-shaped groove 4 is connected with a reinforcing mechanism 8, the external motor shaft is wrapped outside the rubber arc-shaped plate 802, the external motor shaft and the rubber arc-shaped plate 802 are accommodated in the inner cavity of the pump shaft body 1, the pump shaft body 1 and the external motor shaft are reinforced by the rubber arc-shaped plate 802, the reinforcing mechanism 8 comprises an arc-shaped strip 801, the outer wall of the arc-shaped strip 801 is slidably connected with the arc-shaped groove 4, the outer wall of the arc-shaped strip 801 is fixedly connected with the rubber arc-shaped plate 802, and the inner wall of the rubber arc-shaped plate 802 is processed with a first threaded hole 803.

[0024] The upper end of the limiting cylinder 603 is processed with an opening 9 and a second threaded hole 10, and the end of the material rod 5 is fixedly connected with a square block 11.

[0025] Working principle:

[0026] In order to adapt to different pump shaft bodies 1 and the external motor shaft top installation more firmly, the external screw is screwed into the rubber arc-shaped plate 802 on the first threaded hole 803 and is threadedly connected with the external motor shaft with different thickness, so that the rubber arc-shaped plate 802 is wrapped outside the external motor shaft, the external motor shaft and the rubber arc-shaped plate 802 are accommodated in the inner cavity of the pump shaft body 1, the arc-shaped strip 801 on the outer side of the rubber arc-shaped plate 802 slides into the arc-shaped groove 4, the top of the external motor shaft abuts against the inner wall end of the inner cavity of the pump shaft body 1, the screw 2 is screwed into the inner holes at both ends, the pump shaft body 1 is elastically contracted, the pump shaft body 1 clamps the motor shaft, and the end of the screw 2 is fixed again by the nut 3.

[0027] The material stick 5 on the pump shaft body 1 is driven to rotate by an external motor shaft, rotates between the bearings 602 inside the fixed ring 601 at the end of the pump shaft body 1, and makes the limiting cylinder 603 in a static state. In order to stabilize the limiting cylinder 603, the limiting seat 604 at the lower end of the limiting cylinder 603 is screwed with other objects. The space of the limiting cylinder 603 is limited, so that when the external slag object enters the limiting cylinder 603 from the opening 9, the material stick 5 can push the object to achieve the effect of transportation, and the fixed holes 7 on the multiple limiting cylinders 603 are connected by screws, and the square blocks 11 on the multiple material sticks 5 can also be spliced, so that the length of the pump shaft body 1 can be selectively assembled, and the use range is expanded.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pump shaft feed bar structure, comprising a pump shaft body (1) and a screw (2), wherein the inner wall of the screw (2) abuts against the screw (2), characterized in that: The end of the screw (2) is threadedly connected to the nut (3), the outer wall of the nut (3) abuts against the pump shaft body (1), the inner wall of the pump shaft body (1) is machined with an arc groove (4), the middle end of the pump shaft body (1) is fixedly connected to the material bar (5), and the outer end of the pump shaft body (1) is connected to a limit mechanism (6).

2. The pump shaft material bar structure according to claim 1, characterized in that: The limiting mechanism (6) includes a fixing ring (601), the outer wall of the fixing ring (601) is fixedly connected to the pump shaft body (1), the inner wall of the fixing ring (601) is fixedly connected to the bearing (602), the inner wall of the bearing (602) is fixedly connected to the limiting cylinder (603), and the lower end of the limiting cylinder (603) is fixedly connected to the limiting seat (604).

3. The pump shaft material bar structure according to claim 2, characterized in that: The inner wall of the limiting cylinder (603) is machined with fixing holes (7), and the inner wall of the arc groove (4) is connected with a reinforcing mechanism (8).

4. The pump shaft material bar structure according to claim 3, characterized in that: The reinforcement mechanism (8) includes an arc-shaped strip (801), the outer wall of which is slidably connected to the arc-shaped groove (4), the outer wall of which is fixedly connected to the rubber arc plate (802), and the inner wall of which is machined with a first threaded hole (803).

5. The pump shaft material bar structure according to claim 2, characterized in that: The upper end of the limiting cylinder (603) is machined with an opening (9) and a second threaded hole (10).

6. The pump shaft material bar structure according to claim 1, characterized in that: The end of the bar (5) is fixedly connected to the square block (11).

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