Lossless installation device for sea water pump rubber impeller

Abstract

The utility model discloses a sea water pump rubber impeller lossless installation device, which relates to the technical field of sea water pump installation and comprises a grip, a pressing rod, a lower pressing disc, a sleeve and a shaft rod. Wherein the inner wall of the sleeve is provided with screw-in grooves with the same number as blades of a to-be-installed rubber impeller, the tail end of the sleeve is fixedly provided with a positioning disc, the edge of the positioning disc is provided with a plurality of positioning holes, and the positions of the positioning holes correspond to installation holes of a sea water pump shell; the positioning disc is connected with the open end of the sea water pump shell through the positioning hole and the pin shaft; the pressing rod is sleeved on the shaft rod, the lower pressing disc is sleeved on the shaft rod and located at the front end of the pressing rod, and the handle is transversely sleeved on the shaft rod and located at the rear end of the pressing rod. The front end of the shaft rod penetrates through a central hub of the rubber impeller to be mounted; the outer diameter of the lower pressing disc is smaller than the inner diameter of the sleeve. The technical problems that in the prior art, time and labor are wasted, and installation is not easy are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sea water pump installation technical field, concretely is a kind of sea water pump rubber impeller nondestructive installation device. BACKGROUND

[0002] Rubber impeller sea water pump is through the clearance between blade by rotation change, forms pressure difference, to reach the purpose of pumping liquid, widely used in marine sea water pump or to the pumping medium requirement not high field.

[0003] Under the present condition, due to the blade of rubber impeller in installation process, it is difficult to bend well, can only rely on the way of hard squeeze by manpower, installation process is time-consuming, and efficiency is low, and more easily cause secondary damage. The installation mode recommended by manufacturer is also installed by hand, specifically is to put into pump shell one by one with blade, press down while rotating, it is completely to operate by hand, and it needs great force to install rubber impeller into pump shell, and it cannot be well completed by manpower, also faces the problems of time-consuming and laborious and difficult to install in actual installation process. SUMMARY

[0004] The utility model aims at providing a kind of sea water pump rubber impeller nondestructive installation device to solve at least one of the above technical problems.

[0005] Firstly, the utility model embodiment provides a kind of sea water pump rubber impeller nondestructive installation device, comprising: handle, pressing rod, press-down disc, sleeve and shaft rod;Wherein, the inner wall of the sleeve is provided with the same number of spin-in grooves as the blade of the rubber impeller to be installed, the end of the sleeve is fixed with positioning disc, the edge of the positioning disc is provided with a plurality of positioning holes, the position of the positioning hole corresponds with the installation hole of the sea water pump shell;The positioning disc is connected with the open end of the sea water pump shell through the positioning hole and pin shaft;The pressing rod is sleeved on the shaft rod, the press-down disc is sleeved on the shaft rod and located at the front end position of the pressing rod, the handle is transversely sleeved on the shaft rod and located at the rear end position of the pressing rod;The front end of the shaft rod passes through the center hub of the rubber impeller to be installed;The outer diameter of the press-down disc is less than the inner diameter of the sleeve.

[0006] Further, the sleeve is a tapered sleeve with the front end inner diameter being greater than the end inner diameter;Wherein, the front end inner diameter of the sleeve matches the outer diameter of the rubber impeller to be installed, and the end inner diameter of the sleeve matches the inner diameter of the sea water pump shell.

[0007] Further, the side wall of the shaft rod is provided with a flat key, the inner wall of the center hub of the rubber impeller to be installed is provided with a first flat key groove, when the front end of the shaft rod passes through the center hub of the rubber impeller to be installed, the flat key is inserted into the first flat key groove.

[0008] Further, the middle position of the handle is provided with a through hole, the inner diameter of the through hole matches the outer diameter of the shaft rod, and a second flat key groove is further arranged on the inner wall of the through hole and matches the flat key.

[0009] Further, a positioning head is further arranged at the center position of the front end of the shaft rod and is inserted and connected with the end groove of the pump shaft of the seawater pump.

[0010] The utility model provides a kind of seawater pump rubber impeller non-destructive installation device, the blade of rubber impeller to be installed is shrunk by tapered sleeve, then it is positioned and installed according to the structure of seawater pump, finally, the rubber impeller to be installed is pressed into pump shell by the way of pressing down, and it is time-saving and labor-saving in installation process, and it relieves the technical problems of inconvenient installation, possible damage to rubber impeller, time-consuming, inefficiency and other technical problems in prior art. DRAWINGS

[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the specific embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0012] Figure 1 The overall structure schematic diagram of a kind of seawater pump rubber impeller non-destructive installation device provided by the utility model embodiment is shown;

[0013] Figure 2 The structure schematic diagram of a kind of sleeve provided by the utility model embodiment is shown;

[0014] Figure 3 The structure schematic diagram of a kind of rubber impeller to be installed provided by the utility model embodiment is shown;

[0015] Figure 4 The front view schematic diagram of a kind of seawater pump provided by the utility model embodiment is shown;

[0016] Figure 5 The front end structure schematic diagram of a kind of shaft rod provided by the utility model embodiment is shown;

[0017] Figure 6 The top view of a kind of rubber impeller to be installed provided by the utility model embodiment is shown;

[0018] Figure 7 The top view of a kind of handle provided by the utility model embodiment is shown.

[0019] In the figure: 1, handle, 2, pressing rod, 3, pressing disc, 4, sleeve, 5, shaft, 6, rubber impeller to be installed, 7, blade, 8, screw groove, 9, positioning disc, 10, positioning hole, 11, seawater pump shell, 12, mounting hole, 13, seawater pump crescent ring, 14, center hub, 15, flat key, 16, first flat key groove, 17, positioning head, 18, seawater pump shaft, 19, end groove, 20, through hole, 21, second flat key groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Figure 1 It is a whole structure schematic diagram of a seawater pump rubber impeller nondestructive installation device according to the embodiments of the utility model. As shown in the figure, Figure 1 The device comprises: handle 1, pressing rod 2, pressing disc 3, sleeve 4 and shaft 5.

[0022] Figure 2 It is a structure schematic diagram of a sleeve according to the embodiments of the utility model, Figure 3 It is a structure schematic diagram of a rubber impeller to be installed according to the embodiments of the utility model. As shown in the figure, Figure 2 And Figure 3 The inner wall of sleeve 4 is provided with the same number of screw grooves 8 as the number of blades 7 of rubber impeller 6 to be installed, facilitating the control of the bending direction of blades 7 of rubber impeller 6 to be installed in sleeve 4 and facilitating the pressing of rubber impeller 6 to be installed into the inside of sleeve 4 along screw groove 8.

[0023] Figure 4 It is a front view of a seawater pump according to the embodiments of the utility model. As shown in the figure, Figure 2 And Figure 4 The end of sleeve 4 is fixed with positioning disc 9, the edge of positioning disc 9 is provided with a plurality of positioning holes 10, the position of positioning hole 10 corresponds to mounting hole 12 of seawater pump shell 11, and positioning disc 9 is connected with the open end of seawater pump shell 11 through positioning hole 10 and pin shaft. Among them, positioning disc 9 is a hollow annular disc.

[0024] Since the to-be-installed rubber impeller 6 is affected by the seawater pump crescent ring 13 after shrinking, and is not a regular circle, it leads to uneven force in each direction of the to-be-installed rubber impeller 6 after shrinking, the bending degree of the side close to the seawater pump crescent ring 13 is large, the reaction force is also large, the farther away from the seawater pump crescent ring 13, the smaller the reaction force is, if positioning is not performed, the to-be-installed rubber impeller 6 cannot be shrunk according to the required shape.

[0025] Therefore, when the to-be-installed rubber impeller 6 is installed, the positioning holes 10 of the positioning disc 9 are aligned with the mounting holes 12 of the edge position of the seawater pump shell 11 respectively, and positioning is performed through the positioning pin, so that the relative position between the sleeve 4 and the seawater pump shell 11 is fixed, and it is ensured that the sleeve 4 and the seawater pump shell 11 do not slide relatively in the process of pressing the to-be-installed rubber impeller 6 into the seawater pump shell 11.

[0026] Specifically, as shown in Figure 1 , the pressing rod 2 is sleeved on the shaft rod 5, the lower pressing disc 3 is sleeved on the shaft rod 5 at the front end position of the pressing rod 2, and the handle 1 is transversely sleeved on the shaft rod 5 at the rear end position of the pressing rod 2; the front end of the shaft rod 5 penetrates through the center hub 14 of the to-be-installed rubber impeller 6.

[0027] Specifically, the pressing rod 2 is a hollow structure, so that the shaft rod 5 can be sleeved inside the pressing rod 2. An edge structure is arranged at the end of the pressing rod 2 close to the lower pressing disc, and the outer diameter of the edge structure is greater than the inner diameter of the middle through hole of the lower pressing disc 3, so that the pressing rod 2 can press on the upper edge of the lower pressing disc 3 through the edge structure.

[0028] Specifically, the outer diameter of the lower pressing disc 3 is smaller than the inner diameter of the sleeve 4, so that the to-be-installed rubber impeller 6 can be pressed into the seawater pump shell 11 from the inside of the sleeve 4 by using the lower pressing disc 3.

[0029] Specifically, the sleeve 4 is a tapered sleeve with the front end inner diameter being greater than the end inner diameter; wherein the front end inner diameter of the sleeve 4 matches the outer diameter of the to-be-installed rubber impeller 6, and the end inner diameter of the sleeve 4 matches the inner diameter of the seawater pump shell 11.

[0030] Figure 5 is a front end structure schematic view of a shaft rod according to the embodiment of the utility model, Figure 6 is a top view of a to-be-installed rubber impeller according to the embodiment of the utility model. As shown in Figure 5 and Figure 6 , a flat key 15 is arranged on the side wall of the shaft rod 5, a first flat key groove 16 is arranged on the inner wall of the center hub 14 of the to-be-installed rubber impeller 6, and when the front end of the shaft rod 5 penetrates through the center hub 14 of the to-be-installed rubber impeller 6, the flat key 15 is inserted into the first flat key groove 16. Through the cooperation of the flat key 15 and the first flat key groove 16, the to-be-installed rubber impeller 6 can be driven to rotate through the rotation of the shaft rod 5.

[0031] Figure 7 is a top view of the handle according to the embodiments of the present application. Figure 7 As shown, the middle position of the handle 1 is provided with a through hole 20, the inner diameter of the through hole 20 matches the outer diameter of the shaft 5; the inner wall of the through hole 20 is further provided with a second flat key groove 21, and the second flat key groove 21 matches the flat key 15.

[0032] Specifically, when the through hole 20 of the handle 1 is sleeved on the shaft 5, the flat key 15 is inserted into the second flat key groove 21, at this time, the handle 1 can be controlled to slide up and down along the shaft 5, and through the cooperation of the flat key 15 and the second flat key groove 21, the handle 1 can be controlled to drive the shaft 5 to rotate.

[0033] Specifically, as shown, Figure 5 The front end of the shaft 5 is further provided with a positioning head 17, and the positioning head 17 is connected with the end groove 19 of the seawater pump shaft 18.

[0034] The seawater pump rubber impeller non-destructive installation device provided by the embodiments of the present application has the following use method: when starting to install, first, the to-be-installed rubber impeller 6 is sleeved on the shaft 5, then the pressing rod 2 is sleeved on the shaft 5, the lower pressing disc 3 is installed, the to-be-installed rubber impeller 6 is pressed into the sleeve 4 through the rotation into the groove 8, the end of the sleeve 4 is aligned with the seawater pump pump shell 11, the positioning pin shaft is connected with the positioning hole 10 and the installation hole 12, the sleeve 4 is fixed at the front end of the seawater pump pump shell 11, and the front end positioning head 17 of the shaft 5 is inserted into the end groove 19 of the seawater pump shaft 18, at this time, all preparations have been completed, finally, the handle 1 is used to slowly rotate the shaft 5 and press down, and the to-be-installed rubber impeller 6 can rotate with the shaft 5, the pressing rod 2 and the lower pressing disc 3 will gradually push the to-be-installed rubber impeller 6 downward, until the to-be-installed rubber impeller 6 is completely pressed into the seawater pump pump shell 11, and the installation is completed.

[0035] The seawater pump rubber impeller non-destructive installation device provided by the embodiments of the present application has the following use method: when starting to install, first, the to-be-installed rubber impeller 6 is sleeved on the shaft 5, then the pressing rod 2 is sleeved on the shaft 5, the lower pressing disc 3 is installed, the to-be-installed rubber impeller 6 is pressed into the sleeve 4 through the rotation into the groove 8, the end of the sleeve 4 is aligned with the seawater pump pump shell 11, the positioning pin shaft is connected with the positioning hole 10 and the installation hole 12, the sleeve 4 is fixed at the front end of the seawater pump pump shell 11, and the front end positioning head 17 of the shaft 5 is inserted into the end groove 19 of the seawater pump shaft 18, at this time, all preparations have been completed, finally, the handle 1 is used to slowly rotate the shaft 5 and press down, and the to-be-installed rubber impeller 6 can rotate with the shaft 5, the pressing rod 2 and the lower pressing disc 3 will gradually push the to-be-installed rubber impeller 6 downward, until the to-be-installed rubber impeller 6 is completely pressed into the seawater pump pump shell 11, and the installation is completed.

[0036] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0037] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A non-destructive mounting device for a rubber impeller of a sea water pump, characterized by, The utility model relates to a rubber impeller installation tool, which comprises a handle, a pressing rod, a pressing disc, a sleeve and a shaft rod, wherein, the inner wall of the sleeve is provided with screw grooves corresponding to the number of blades of the rubber impeller to be installed, the end of the sleeve is fixed with a positioning disc, the edge of the positioning disc is provided with positioning holes corresponding to the mounting holes of the pump shell of the seawater pump, and the positioning disc is connected with the open end of the pump shell of the seawater pump through the positioning holes and a pin shaft. The pressing rod is sleeved on the shaft rod, the pressing disc is sleeved on the shaft rod at the front end position of the pressing rod, the handle is transversely sleeved on the shaft rod at the rear end position of the pressing rod, and the front end of the shaft rod penetrates the center hub of the rubber impeller to be installed. The outer diameter of the pressing disc is smaller than the inner diameter of the sleeve. The sleeve is a tapered sleeve with a larger front end inner diameter and a smaller end inner diameter, wherein the front end inner diameter of the sleeve matches the outer diameter of the rubber impeller to be installed, and the end inner diameter of the sleeve matches the inner diameter of the pump shell of the seawater pump.

2. The non-destructive mounting device for a rubber impeller of a sea water pump according to claim 1, characterized in that: A flat key is arranged on the side wall of the shaft rod, a first flat key groove is arranged on the inner wall of the center hub of the rubber impeller to be installed, and when the front end of the shaft rod penetrates the center hub of the rubber impeller to be installed, the flat key is inserted into the first flat key groove.

3. The non-destructive mounting device for a rubber impeller of a sea water pump according to claim 1, characterized in that: A through hole is arranged at the middle position of the handle, the inner diameter of the through hole matches the outer diameter of the shaft rod, a second flat key groove is further arranged on the inner wall of the through hole, and the second flat key groove matches the flat key.

4. The non-destructive mounting device for a rubber impeller of a sea water pump according to claim 3, characterized in that: A positioning head is further arranged at the front end center position of the shaft rod, and the positioning head is insertedly connected with the end groove of the pump shaft of the seawater pump.

5. The non-destructive mounting device for a rubber impeller of a sea water pump according to claim 1, characterized in that: ​

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