CN218313037U

CN218313037U - Fixing tool of power sealing device

Info

Publication number: CN218313037U
Application number: CN202222179908.6U
Authority: CN
Inventors: 张衡; 王宏元
Original assignee: Taicang Egger Pump Co ltd
Current assignee: Taicang Egger Pump Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-17
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a fixing tool of a power sealing device, which comprises a first base, a screw rod and a fixing unit, wherein in a fixing state, one end of the screw rod penetrates through the shaft sleeve and is detachably connected with the first base; the first base is provided with an inner concave part matched with the outer contour of the bottom cover, is opposite to the bottom cover and is used for placing the dynamic sealing device so as to limit the dynamic sealing device in the radial direction of the shaft sleeve; the fixing unit is detachably connected to the other end of the screw rod and abuts against the end face of the shaft sleeve in a fixing state, so that the power sealing device is limited in the axial direction of the shaft sleeve. The fixing tool is simple in structure, and the power sealing device is convenient to disassemble or assemble quickly.

Description

Fixing tool of power sealing device

Technical Field

The utility model relates to a technical field is dismantled to the frock, and specific is a power sealing device's fixing tool.

Background

Referring to fig. 1, a schematic diagram of a conventional dynamic sealing device is shown. The dynamic sealing device comprises a shaft sleeve 5, a bottom cover 6 and a top cover 7 which are sleeved on the shaft sleeve 5, and a plurality of impellers 8 which are positioned between the bottom cover 6 and the top cover 7, wherein the end covers are connected with the impellers 8 through fasteners 9.

When the power sealing device is disassembled and assembled, the shaft sleeve 5 is often vertically placed, and then the end cover, the impeller and the like are sleeved on the shaft sleeve and fixed. In the process, the shaft sleeve 5 is difficult to keep a vertical state stable and motionless due to collision in the dismounting process, so that the dismounting difficulty is increased, and the dismounting efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides a power seal fixing tool, the dismantlement degree of difficulty that this instrument can be very big degree reduces power seal device.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a holding tool for a dynamic seal device comprising:

the first base is provided with an inner concave part matched with the outer contour of the bottom cover, and the inner concave part can limit the radial movement of the dynamic sealing device;

the screw rod is provided with a first end and a second end and is detachably connected to the first base, and when the screw rod is used, the first end of the screw rod penetrates through the shaft sleeve and is fixedly connected with the first base;

and the fixing unit is detachably connected to the second end of the screw rod and is abutted against the end surface of the shaft sleeve in a fixed state, so that the movement of the power sealing device is limited in the axial direction of the shaft sleeve.

In the above technical solution, the first base includes a fixed seat and a first connecting member; the fixing seat is internally provided with a first through hole matched with the shaft sleeve and an inner concave part communicated with the first through hole.

In the above technical solution, the first connecting member is detachably connected to the fixing base.

In the above technical solution, the first connecting piece includes a connecting portion inserted in the first through hole, and a limiting portion for limiting an installation position of the connecting portion in the first through hole.

In the above technical solution, the mobile phone further comprises a second base, wherein the second base is connected with the first base and used for fixing the first base.

In the above technical solution, the fixing unit includes a pressing member and a second connecting member, the pressing member is sleeved on the screw rod and abuts against the shaft sleeve, the second connecting member is connected to the screw rod and located at an end of the pressing member away from the first base, and the second connecting member abuts against the pressing member.

In the technical scheme, the pressing piece comprises a limiting sleeve and a pressing part, the limiting sleeve is cylindrical, the outer contour of the limiting sleeve is matched with the inner diameter of the shaft sleeve, the limiting sleeve is provided with a second through hole matched with the screw rod, and the limiting sleeve is positioned between the screw rod and the shaft sleeve to limit the screw rod to shake in a fixed state; the pressing portion has an abutting surface abutting against the sleeve.

In the above technical solution, two ends of the screw rod have screw thread portions, the first base and the fixing unit have screw holes therein, which are matched with the screw thread portions, and the screw rod forms a threaded connection with the first base and the fixing unit respectively.

Borrow by above technical scheme, the beneficial effects of the utility model are as follows:

1. the utility model discloses a power sealing device's fixing tool has the interior concave part with the outline looks adaptation of bottom through first base to at the radial direction restriction power sealing device of axle sleeve, will be located the first base and the fixed unit at power sealing device both ends through the lead screw again and connect, with the axial direction restriction power sealing device at the axle sleeve, thereby realize firmly fixing power sealing device, conveniently dismantle fast or assemble each part on the power sealing device.

2. The fixing tool is simple in structure, simple, convenient and flexible to install and use, does not need to carry out related training on workers, and saves use cost.

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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 shows a schematic structural view of an existing power sealing device in an embodiment of the present invention.

Fig. 2 is a schematic view of the use state of the fixing tool in the embodiment of the present invention.

Fig. 3 is a schematic diagram of the split state of fig. 2.

Fig. 4 is a schematic view of a second base in an embodiment of the present invention.

Reference numerals of the above figures: 1. a fixing unit; 2. a first base; 3. a screw rod; 4. a second base; 11. a second connecting member; 12. pressing a piece; 121. a pressing portion; 122. a position limiting sleeve; 21. a fixed seat; 211. a first through hole; 212. an inner concave portion; 22. a first connecting member; 221. a connecting portion; 222. a limiting part; 5. a shaft sleeve; 6. a bottom cover; 7. a top cover; 8. an impeller; 9. a fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that, in the description of the present invention, the terms "first", "second", and the like are used for descriptive purposes only and for distinguishing similar objects, and no order is shown between the two, and no indication or suggestion of relative importance is understood. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 2 to 4, the present embodiment discloses a fixing tool for a dynamic sealing device, which includes a fixing unit 1, a screw rod 3, and a first base 2.

The first base 2 is provided with an inner concave part 212 matched with the outer contour of the bottom cover 6, and the inner concave part 212 is used for placing the dynamic sealing device to limit the movement of the dynamic sealing device in the radial direction of the shaft sleeve 5; when in use, the first end of the screw rod 3 penetrates through the shaft sleeve 5 and then is detachably connected with the first base 2; the fixing unit 1 is detachably connected to the second end of the screw rod 3, and the fixing unit 1 abuts against the end face of the shaft sleeve 5, so that the power sealing device is limited in the axial direction of the shaft sleeve 5.

The fixing means limit the dynamic sealing device in the radial direction of the sleeve 5 by providing an inner recess 212 in the first base 2 that is adapted to the outer contour of the bottom cover 6. And then the first bases 2 at the two ends of the power sealing device are connected with the fixing unit 1 through the screw rod 3 so as to limit the power sealing device in the axial direction of the shaft sleeve 5, thereby firmly fixing the power sealing device and facilitating the disassembly of the power sealing device. Compare in direct dismantlement, under the supplementary of this instrument, reducible rocking makes dismantlement convenient and fast more to the influence of dismantling, has improved work efficiency greatly. The fixing tool is simple in structure, low in manufacturing cost and simple in use method.

Specifically, the first base 2 includes a fixed seat 21 and a first connecting piece 22, and a first through hole 211 adapted to the shaft sleeve 5 and an inner concave portion 212 communicated with the first through hole 211 are provided in the fixed seat 21; the first connecting piece 22 is positioned in the first through hole 5 and connected with the screw rod 3. Preferably, the first connecting element 22 is detachably connected to the fixed seat 21. The first connecting piece 22 and the fixed seat 21 are detachably connected, so that when the first connecting piece 22 or the fixed seat 21 needs to be replaced, the other part can be reserved, and the use cost is reduced. For example, when the power sealing device with a different bottom cover 6 shape is used, only the fixed seat 21 can be replaced, and the first connecting piece 22 is reserved. When the first connecting piece 22 is damaged, only the first connecting piece 22 can be replaced, and the fixed seat 21 is reserved.

In an alternative embodiment, the first connecting member 22 includes a connecting portion 221 inserted into the first through hole 211, and a limiting portion 222 for limiting a mounting position of the connecting portion 221 in the first through hole 211. Referring to fig. 2 and 3, the connection portion 221 may be formed in a cylindrical shape, and a connection structure may be provided inside the connection portion. The position-limiting part 222 may be configured to be a disc shape, and the diameter of the position-limiting part 222 is larger than that of the first through hole 211, so that the position-limiting part 222 may contact with the fixing base 21 in a fixing state.

In an alternative embodiment, the first base 2 may be provided as a cylinder or be superimposed by a plurality of cylinders of different diameters. In order to prevent the first base 2 from shaking, the device further comprises a second base 4. The second base 4 is connected with the first base 2 and used for fixing the first base 2. Specifically, the second base 4 can be a bench vice, and the first base 2 is clamped by the bench vice to be fixed.

Specifically, the fixing unit 1 includes a pressing member 12 sleeved on the screw rod 3 and abutting against the shaft sleeve 5, and a second connecting member 11 connected to the screw rod 3 and located at an end of the pressing member 12 away from the first base 2, and the second connecting member 11 abuts against the pressing member 12. The pressing piece 12 comprises a limiting sleeve 122 and a pressing part 121; the limiting sleeve 122 is cylindrical, the outer contour of the limiting sleeve is matched with the inner diameter of the shaft sleeve 5, the limiting sleeve 122 is provided with a second through hole matched with the screw rod 3, and in a fixed state, the limiting sleeve 122 is positioned between the screw rod 3 and the shaft sleeve 5 to limit the screw rod 3 to swing; the pressing portion 121 has a contact surface that contacts the sleeve 5.

In a fixed state, the position limiting sleeve 122 of the pressing member 12 is embedded between the screw rod 3 and the shaft sleeve 5, and the position of the second connecting member 11 is adjusted to enable the second connecting member to be abutted against the pressing portion 121, so that the pressing portion 121 is abutted against the shaft sleeve 5, and the dynamic sealing device is further guaranteed to be limited between the fixing unit 1 and the first base 2.

The lead screw 3 with the fixed unit 1 the lead screw 3 with the detachable connection mode between the first base 2 can select threaded connection, clamping connection and the like.

Specifically, two ends of the screw rod 3 may be provided with screw threads, the first base 2 and the fixing unit 1 have screw holes therein, which are matched with the screw threads, and the screw rod 3 is in threaded connection with the first base 2 and the fixing unit 1, respectively.

The principle and the implementation mode of the utility model are explained by applying the specific embodiment, and the explanation of the above embodiment is only used for helping to understand the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be changes in the specific embodiments and the application range, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A fixing tool for a power seal device, the power seal device including a shaft sleeve, an impeller, a top cap and a bottom cap, comprising:

the screw rod is provided with a first end and a second end, the screw rod is detachably connected to the first base, and when the screw rod is used, the first end of the screw rod penetrates through the shaft sleeve and is fixedly connected with the first base;

2. The dynamic seal device fixing tool according to claim 1, characterized in that: the first base comprises a fixed base and a first connecting piece, wherein a first through hole matched with the shaft sleeve and an inner concave part communicated with the first through hole are formed in the fixed base.

3. The dynamic seal setting tool of claim 2, wherein: the first connecting piece is detachably connected with the fixed seat.

4. The dynamic seal setting tool of claim 3, wherein: the first connecting piece comprises a connecting part inserted in the first through hole and a limiting part used for limiting the installation position of the connecting part in the first through hole.

5. The dynamic seal device fixing tool according to claim 1, characterized in that: the device also comprises a second base, wherein the second base is connected with the first base and used for fixing the first base.

6. The dynamic seal setting tool of claim 1, wherein: the fixing unit comprises a pressing piece and a second connecting piece, the pressing piece is sleeved on the screw rod and abuts against the shaft sleeve, the second connecting piece is connected with the screw rod and is located at one end, far away from the first base, of the pressing piece, and the second connecting piece abuts against the pressing piece.

7. The dynamic seal setting tool of claim 6, wherein: the casting die comprises a limiting sleeve and a pressing part, the limiting sleeve is cylindrical, the outer contour of the limiting sleeve is matched with the inner diameter of the shaft sleeve, the limiting sleeve is provided with a second through hole matched with the screw rod, the limiting sleeve is located between the screw rod and the shaft sleeve to limit the screw rod to swing when the limiting sleeve is in a fixed state, and the pressing part is provided with a butt-joint surface abutted to the shaft sleeve.

8. The dynamic seal setting tool of claim 1, wherein: the two ends of the screw rod are provided with threaded parts, threaded holes matched with the threaded parts are formed in the first base and the fixing unit respectively, and the screw rod is in threaded connection with the first base and the fixing unit respectively.