CN220248439U - Impeller nut locking structure for pump - Google Patents

Abstract

The utility model discloses an impeller nut locking structure for a pump, which comprises a connecting sleeve and a shaft rod, wherein a plurality of impellers are fixedly connected to the outer side wall of the connecting sleeve, a screw rod is fixedly connected in the connecting sleeve, one end of the screw rod penetrates through the connecting sleeve and extends outwards, one end of the shaft rod is in threaded sleeve connection with the screw rod, one end of the shaft rod is fixedly connected with two symmetrically arranged plugboards, the two plugboards are both in sliding insertion connection with the connecting sleeve, the outer walls of the two sides of the connecting sleeve are both fixedly connected with supporting frames, threaded rods are rotatably connected with the supporting frames, two moving plates are in threaded sleeve connection with the threaded rods, the bottoms of the two moving plates are both rotatably connected with traction rods, one end of each traction rod is rotatably connected with a positioning plate, the positioning plate penetrates through the connecting sleeve, positioning grooves corresponding to the positioning plate are formed in the plugboards, and one end of each threaded rod penetrates through the supporting frames and is fixedly connected with rotating blocks.

Description

Impeller nut locking structure for pump

Technical Field

The utility model relates to the field of pump related products, in particular to an impeller nut anti-loosening structure for a pump.

Background

The pump is a pump that conveys liquid in an axial direction by means of a force generated by a blade of a rotating impeller on the liquid.

The impeller of the pump is fixed with the shaft through the nut, but the axial flow pump is long in use, the shaft rod is easy to loose, the impeller and the shaft are separated, the device is easy to damage, and the practicability of the device is to be improved.

Disclosure of Invention

The utility model aims to provide an impeller nut anti-loosening structure for a pump, which aims to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an impeller nut locking structure for pump, includes adapter sleeve and axostylus axostyle, fixedly connected with a plurality of impellers on adapter sleeve's the lateral wall, adapter sleeve internal fixation has the lead screw, the one end of lead screw runs through adapter sleeve and outwards extends, the one end screw thread of axostylus axostyle is cup jointed on the lead screw, two picture peg that the one end fixedly connected with symmetry of axostylus axostyle set up, two the picture peg is all slided and is inserted and establish in adapter sleeve, equal fixedly connected with braced frame on adapter sleeve's the both sides outer wall, the braced frame internal rotation is connected with the threaded rod, the screw thread has cup jointed two movable plates on the threaded rod, two the equal swivelling joint in movable plate bottom has the traction lever, the one end of traction lever is rotated and is connected with the locating plate, the locating plate runs through adapter sleeve, be equipped with the constant head tank that corresponds with the locating plate on the picture peg, the one end of threaded rod runs through braced frame and fixedly connected with commentaries on the piece.

Preferably, the external threads at the two ends of the threaded rod are oppositely arranged.

Preferably, a groove is formed in the outer side wall of the supporting frame, a sliding rod is fixedly connected in the groove, an L-shaped clamping rod is sleeved on the sliding rod in a sliding mode, and a plurality of clamping grooves corresponding to the L-shaped clamping rod are formed in the rotating block.

Preferably, the outer side wall of the rotating block is provided with a plurality of anti-skid patterns which are obliquely arranged.

Preferably, the sliding rod is sleeved with a spring, and two ends of the spring are fixedly connected with the L-shaped clamping rod and the inner wall of the groove respectively.

Compared with the prior art, the utility model has the beneficial effects that:

according to the impeller nut anti-loosening structure for the pump, the shaft rod is connected to the screw rod through the sleeve joint of the shaft rod, the insertion plate on the shaft rod is inserted into the connecting sleeve, then the rotation block is rotated to drive the threaded rod to rotate in the supporting frame, at the moment, the two moving plates which are in threaded sleeve joint with the threaded rod move along with each other to enable the traction rod to move, and the traction rod pushes the positioning plate to be inserted into the positioning groove on the insertion plate at the moment to achieve stability after the shaft rod is installed.

Drawings

FIG. 1 is a schematic view of a pump impeller nut locking structure according to the present utility model;

fig. 2 is an enlarged view of a portion a of an impeller nut locking structure for a pump according to the present utility model.

In the figure: 1. a connection sleeve; 2. a shaft lever; 3. an impeller; 4. a screw rod; 5. inserting plate; 6. a support frame; 7. a threaded rod; 8. a moving plate; 9. a traction rod; 10. a positioning plate; 11. a rotating block; 12. a slide bar; 13. an L-shaped clamping rod; 14. and (3) a spring.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-2, an embodiment of the present utility model is provided: the utility model provides a pump impeller nut locking structure, including adapter sleeve 1 and axostylus axostyle 2, fixedly connected with a plurality of impellers 3 on the lateral wall of adapter sleeve 1, fixedly connected with lead screw 4 in the adapter sleeve 1, the one end of lead screw 4 runs through adapter sleeve 1 and outwards extend, the one end screw thread of axostylus axostyle 2 is cup jointed on lead screw 4, two picture peg 5 that the one end fixedly connected with symmetry set up of axostylus axostyle 2, two picture peg 5 all slide insert establish in adapter sleeve 1, equal fixedly connected with braced frame 6 on the both sides outer wall of adapter sleeve 1, braced frame 6 internal rotation is connected with threaded rod 7, threaded rod 7 has cup jointed two movable plates 8 on the screw thread, two movable plates 8 bottoms all rotate and are connected with traction lever 9, the one end rotation of traction lever 9 is connected with locating plate 10, locating plate 10 runs through adapter sleeve 1, be equipped with the constant head tank that corresponds with locating plate 10 on picture peg 5, the one end of axostylus axostyle 7 runs through braced frame 6 and fixedly connected with transfer block 11, concretely speaking, the picture peg 5 screw on lead screw 4 realizes the connection of 2 on lead screw 4, picture peg 5 on the axostylus axostyle 2 will insert in adapter sleeve 1, then the screw 7 drive the rotation 7 and drive the internal rotation of the axial rod 5 and then drive the internal rotation 9 and make progress the axial rod and realize the stability after the axial rod is installed on the traction lever 9 through the axial rod 7 and drive the rotation at the axial rod.

In the embodiment, the external threads at the two ends of the threaded rod 7 are oppositely arranged; the outer side wall of the supporting frame 6 is provided with a groove, a slide bar 12 is fixedly connected in the groove, an L-shaped clamping rod 13 is sleeved on the slide bar 12 in a sliding manner, a plurality of clamping grooves corresponding to the L-shaped clamping rod 13 are formed in the rotating block 11, and the rotating block 11 is rotationally fixed by inserting the sliding L-shaped clamping rod 13 into the clamping grooves on the rotating block 11; the outer side wall of the rotating block 11 is provided with a plurality of anti-skid patterns which are obliquely arranged; the slide bar 12 is sleeved with a spring 14, and two ends of the spring 14 are fixedly connected with the L-shaped clamping rod 13 and the inner wall of the groove respectively, so that the L-shaped clamping rod 13 can rebound into the clamping groove conveniently.

Working principle: firstly, the shaft lever 2 is in threaded sleeve connection with the screw rod 4 to realize connection of the shaft lever 2, at the moment, the inserting plate 5 on the shaft lever 2 is inserted into the connecting sleeve 1, then the rotating block 11 is rotated to drive the threaded rod 7 to rotate in the supporting frame 6, at the moment, the two moving plates 8 in threaded sleeve connection with the threaded rod 7 move along with each other to further promote the traction rod 9 to move, and at the moment, the traction rod 9 pushes the positioning plate 10 to be inserted into the positioning groove on the inserting plate 5 to further realize stability of the shaft lever 2 after installation.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a pump impeller nut locking structure, includes adapter sleeve (1) and axostylus axostyle (2), its characterized in that: fixedly connected with impeller (3) on the lateral wall of adapter sleeve (1), fixedly connected with lead screw (4) in adapter sleeve (1), the one end of lead screw (4) runs through adapter sleeve (1) and outwards extends, the one end screw thread of axostylus axostyle (2) is cup jointed on lead screw (4), two picture peg (5) that the one end fixedly connected with symmetry of axostylus axostyle (2) set up, two picture peg (5) are all slided and are inserted and establish in adapter sleeve (1), equal fixedly connected with braced frame (6) on the both sides outer wall of adapter sleeve (1), braced frame (6) internal rotation is connected with threaded rod (7), threaded rod (7) go up the screw and cup jointed two movable plate (8), two all rotation in movable plate (8) bottom is connected with traction lever (9), the one end rotation of traction lever (9) is connected with locating plate (10) through-connection sleeve (1), be equipped with on picture peg (5) with locating slot (10) corresponding locating plate (7) and braced frame (11) one end fixedly connected with threaded rod (7).

2. The impeller nut lock structure for a pump according to claim 1, wherein: external threads at two ends of the threaded rod (7) are oppositely arranged.

3. The impeller nut lock structure for a pump according to claim 1, wherein: the support frame is characterized in that a groove is formed in the outer side wall of the support frame (6), a sliding rod (12) is fixedly connected in the groove, an L-shaped clamping rod (13) is sleeved on the sliding rod (12) in a sliding mode, and a plurality of clamping grooves corresponding to the L-shaped clamping rod (13) are formed in the rotating block (11).

4. The impeller nut lock structure for a pump according to claim 1, wherein: the outer side wall of the rotating block (11) is provided with a plurality of anti-skid patterns which are obliquely arranged.

5. A pump impeller nut lock structure according to claim 3, characterized in that: the sliding rod (12) is sleeved with a spring (14), and two ends of the spring (14) are fixedly connected with the L-shaped clamping rod (13) and the inner wall of the groove respectively.