Shaft sleeve and shaft seal assembly structure

By designing a shaft sleeve and shaft seal assembly structure including a seat body, a bracket, a thimble, a ferrule and a hydraulic component, the problem of lack of effective pressure-applying structure when assembling the shaft sleeve in the prior art is solved, and the rapid positioning and precise installation of the shaft sleeve are achieved, and the stability and accuracy of the assembly are improved.

CN222609403UActive Publication Date: 2025-03-14JIAXING JIEHANG OIL FREE BEARING CO LTD
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Patent Information

Application Number
CN202420997691.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-09
Publication Date
2025-03-14
Estimated Expiration
2034-05-09

AI Technical Summary

Technical Problem

When used in sealing with the shaft, the existing shaft sleeve lacks an effective pressure-applying structure and relies mostly on the hammer to tap and assemble, which can easily lead to deviation and wear of the shaft sleeve, which has limitations.

Method used

A shaft sleeve and shaft seal assembly structure is designed, including a rectangular frame structure, a cross-shaped bracket, a conical structure thimble, annular structure ferrule and hydraulic parts and other components. The rapid positioning and installation of the shaft sleeve is achieved through the adjustment rod and knob, and stable power output is provided through the hydraulic parts.

Benefits of technology

The rapid positioning and installation of the shaft sleeve is achieved, which avoids deviation and wear caused by hammering, and improves the accuracy and stability of the assembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a shaft sleeve and shaft seal assembly structure, relates to the field of shaft sleeve and shaft assembly, and solves the problems that when the existing shaft sleeve is used with a shaft seal, an effective pressure applying structure is lacked, and the shaft sleeve cannot be used for sealing the shaft. According to the technical scheme, in the prior art, a rotating shaft is assembled in a manner of knocking by a hand-held hammer, but the manner of knocking by the hammer easily causes deviation and abrasion of the shaft sleeve and has limitation, an ejector pin is arranged on the top end face of a base body, and an adjusting rod is screwed in a top plate, so that when the rotating shaft is assembled to the base body and the inner side of the top plate, the rotating shaft can be conveniently assembled; the rotary knob fixedly connected to the outer side of the adjusting rod can be manually held to rotate, and the adjusting rod moves downwards to abut against the top end face of the rotating shaft placed on the ejector pin, so that the shaft sleeve can be rapidly positioned and installed when the device is used, and the purpose of being more practical is achieved.
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Description

Technical Field

[0001] The utility model belongs to the field of shaft sleeve and shaft assembly, in particular to a shaft sleeve and shaft sealing assembly structure. Background Art

[0002] The shaft sleeve is a sleeve on the propeller shaft or stern shaft, which is generally interference fit with the shaft for subsequent installation and use. However, when the existing shaft sleeve is used with the shaft seal, it lacks an effective pressure application structure and is mostly assembled by hammering with a handheld hammer. However, the hammering method can easily cause deviation and wear of the shaft sleeve, which has limitations.

[0003] Therefore, in view of the deficiencies of the above scheme in actual production and implementation, it is revised and improved. At the same time, in the spirit and concept of seeking excellence, with the assistance of professional knowledge and experience, and after many ingenuity and experiments, the utility model is created. A sleeve and shaft seal assembly structure is provided to solve the problem that the existing sleeve is mostly assembled by hammering with a handheld hammer due to the lack of an effective pressure applying structure when used with the shaft seal. However, the hammering method can easily cause deviation and wear of the sleeve, which has limitations. Utility Model Content

[0004] The utility model proposes an assembly structure of a shaft sleeve and a shaft seal, which solves the problem that when the existing shaft sleeve is used with the shaft seal, it lacks an effective pressure applying structure and is mostly assembled by hammering with a handheld hammer, but the hammering method is prone to cause deviation and wear of the shaft sleeve, which has limitations.

[0005] The technical solution of the utility model is implemented as follows: a shaft sleeve and shaft seal assembly structure, including a seat body, the main body of the seat body is a rectangular frame structure, and a bracket is fixedly connected to the inside of the seat body, the main body of the bracket is a cross-shaped structure, and the seat body and the bracket together constitute a support structure, and a top surface of the bracket is fixedly connected with an ejector pin, the main body of the ejector pin is a conical structure, and the ejector pin is fixedly connected to the center position of the top surface of the bracket, and a rotating shaft is placed above the ejector pin:

[0006] As a preferred embodiment, a top block is fixedly connected to the inner wall of the ring, the main body of the top block is an inclined structure, and the top block and the ring together constitute a limiting structure, and a top plate is also fixedly connected to the inner sides of the two support frames, the main body of the top plate is consistent with the structure of the base body, and a screw hole is provided inside the top plate, an adjusting rod is screwed inside the screw hole, the main body of the adjusting rod is a screw rod structure, and a knob is fixedly connected to the top end surface of the adjusting rod, the main body of the knob is a circular structure with grooves in a ring array on the outer circumference, and the knob and the adjusting rod together constitute an adjusting structure.

[0007] As a preferred embodiment, the two groups of sliders are respectively fixedly connected to the front and rear side positions of the table top, the table top is slidably connected in the support frame through the sliders fixedly connected to its outer side, and the inner sides of the two table tops are fixedly connected with rings, and the main body of the rings is a ring structure.

[0008] As a preferred embodiment, the outer side of the rotating shaft is sleeved with a shaft sleeve, and the shaft sleeve and the rotating shaft together constitute a connecting structure, and the outer side of the seat body is fixedly connected with a support frame, the main body of the support frame is a U-shaped structure with an opening facing inward, and the support frame is provided in two places.

[0009] As a preferred embodiment, a hydraulic component is installed on the top surface of the mounting plate, the main body of the hydraulic component is a hydraulic rod structure, and the hydraulic component and the mounting plate together constitute a traction structure, the inner part of the longitudinal groove opened in the support frame is connected to a table plate, the main body of the table plate is horizontally arranged, and a slider is fixedly connected to the outer side of the table plate, and there are four sliders in total, and every two longitudinally adjacent sliders form a group.

[0010] As a preferred embodiment, the two support frames are respectively fixedly connected to the left and right side surfaces of the seat body, the support frame and the seat body together constitute a support structure, and a longitudinal groove is opened inside the support frame, and a mounting plate is fixedly connected inside the support frame, and the mounting plate and the support frame together constitute a support structure.

[0011] After using the above technical solution, the beneficial effects of the utility model are:

[0012] 1. In the utility model, a pin is provided on the top surface of the seat body, and an adjusting rod is screwed on the inside of the top plate, so that when the rotating shaft is assembled to the inner position of the seat body and the top plate, it can be rotated by manually holding a knob fixedly connected to the outside of the adjusting rod, and the adjusting rod is moved downward to abut against the top surface of the rotating shaft placed on the pin, so that when it is used, the sleeve can be quickly positioned and installed, thereby achieving a more practical purpose.

[0013] 2. In the utility model, top blocks are fixedly connected to the inner wall of the ferrule in an annular array, so that when the ferrule moves downward, the setting of the top blocks fixedly connected to the inner wall of the ferrule can be synchronously utilized to adapt to the rapid positioning and assembly of shaft kits of different sizes, and stable power output can be achieved through the setting of hydraulic parts, thereby achieving the purpose of more precise assembly of the shaft kit. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0015] Figure 1 It is a schematic diagram of the exploded structure of the assembly structure of the utility model;

[0016] Figure 2 It is a front side structural schematic diagram of the assembly structure of the utility model;

[0017] Figure 3 It is a front structural schematic diagram of the assembly structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the combined structure of the support frame and the mounting plate of the assembly structure of the utility model;

[0019] Figure 5 It is a schematic diagram of the combined structure of the ferrule and the top block of the assembly structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the combined structure of the top plate and the adjusting rod of the assembly structure of the utility model;

[0021] In the figure, 1, seat body; 101, bracket; 102, ejector pin; 103, rotating shaft; 104, shaft kit; 2, support frame; 201, mounting plate; 202, hydraulic component; 203, table plate; 204, slider; 205, ring; 206, ejector block; 3, ejector plate; 301, adjusting rod; 302, knob. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-Figure 6As shown, a shaft sleeve and shaft seal assembly structure includes: a seat body 1, the main body of the seat body 1 is a rectangular frame structure, and a bracket 101 is fixedly connected to the inside of the seat body 1, the main body of the bracket 101 is a cross-shaped structure, and the seat body 1 and the bracket 101 together form a support structure, and a top surface of the bracket 101 is fixedly connected to a pin 102, the main body of the pin 102 is a conical structure, and the pin 102 is fixedly connected to the center of the top surface of the bracket 101, and a rotating shaft 103 is placed above the pin 102, and an ejector block 206 is fixedly connected to the inner wall of the ring 205, and the ejector block 206 is fixedly connected to the inner wall of the ring 205. The main body of block 206 is an inclined structure, and the top block 206 and the ring 205 together constitute a limiting structure, and the inner sides of the two support frames 2 are also fixedly connected with a top plate 3, the main body of the top plate 3 is consistent with the structure of the base body 1, and a screw hole is provided inside the top plate 3, an adjusting rod 301 is screwed inside the screw hole, the main body of the adjusting rod 301 is a screw structure, and a knob 302 is fixedly connected to the top end surface of the adjusting rod 301, the main body of the knob 302 is a circular structure with grooves in a ring array on the outer circumference, and the knob 302 and the adjusting rod 301 together constitute an adjusting structure.

[0024] Among them, the outer side of the rotating shaft 103 is sleeved with the shaft sleeve 104, and the shaft sleeve 104 and the rotating shaft 103 together constitute a connecting structure, and the outer side of the base body 1 is fixedly connected with a support frame 2, the main body of the support frame 2 is a U-shaped structure with an opening facing inward, and there are two support frames 2, and the two support frames 2 are respectively fixedly connected to the left and right side positions of the base body 1, the support frame 2 and the base body 1 together constitute a supporting structure, and a longitudinal groove is opened inside the support frame 2, and the interior of the support frame 2 is fixedly connected with a mounting plate 201, and the mounting plate 201 and the support frame 2 together constitute a supporting structure.

[0025] Among them, a hydraulic component 202 is installed on the top surface of the mounting plate 201, and the main body of the hydraulic component 202 is a hydraulic rod structure, and the hydraulic component 202 and the mounting plate 201 together constitute a traction structure, and the inner part of the longitudinal groove opened in the support frame 2 is connected to a table plate 203, and the main body of the table plate 203 is arranged horizontally, and a slider 204 is fixedly connected to the outer side of the table plate 203. There are four sliders 204 in total, and every two longitudinally adjacent sliders 204 form a group, and the two groups of sliders 204 are respectively fixedly connected to the front and rear side positions of the table plate 203, and the table plate 203 is slidably connected in the support frame 2 through the slider 204 fixedly connected to its outer side, and the inner side of the two table plates 203 is fixedly connected with a ring 205, and the main body of the ring 205 is a ring structure.

[0026] When in use, when the shaft sleeve and the shaft are assembled, the shaft 103 can be placed on the ejector pin 102 fixedly connected to the top surface of the seat body 1, and the shaft sleeve 104 can be simultaneously sleeved on the outer position of the shaft 103 for limiting, and the knob 302 fixedly connected to the top surface of the adjusting rod 301 can be manually held to rotate and drive the adjusting rod 301, and the adjusting rod 301 can be rotated and moved downward to achieve the abutment and limiting of the shaft 103 placed on the ejector pin 102, so as to achieve the purpose of more convenient and subsequent assembly;

[0027] And when the rotating shaft 103 and the shaft kit 104 are assembled, the table 203 can be pulled downward by starting the hydraulic part 202 installed in the mounting plate 201, and when the table 203 moves downward, the slider 204 fixedly connected on its outer circumference can be synchronously utilized to slide along the support frame 2, and synchronously drive the ring 205 fixedly connected in the two tables 203 to move downward, and when the ring 205 moves downward, the top block 206 fixedly connected in the ring 205 can be synchronously utilized to move downward and contact with the shaft kit 104 sleeved on the outside of the rotating shaft 103 to press and assemble the shaft kit 104 downward, thereby achieving a more practical purpose.

[0028] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shaft sleeve and shaft seal assembly structure, characterized in that: The invention comprises a base body (1), the main body of the base body (1) is a rectangular frame structure, a bracket (101) is fixedly connected inside the base body (1), the main body of the bracket (101) is a cross-shaped structure, the base body (1) and the bracket (101) together form a support structure, and a top end surface of the bracket (101) is fixedly connected to a pin (102), the main body of the pin (102) is a conical structure, the pin (102) is fixedly connected to the center position of the top end surface of the bracket (101), and a rotating shaft (103) is placed above the pin (102).

2. A shaft sleeve and shaft seal assembly structure according to claim 1, characterized in that: The outer side of the rotating shaft (103) is sleeved with a shaft sleeve (104), and the shaft sleeve (104) and the rotating shaft (103) together form a connection structure. The outer side of the seat body (1) is fixedly connected with a support frame (2), and the main body of the support frame (2) is a U-shaped structure with an opening facing inward, and the support frame (2) is provided at two locations.

3. The shaft sleeve and shaft seal assembly structure according to claim 2, characterized in that: The two support frames (2) are respectively fixedly connected to the left and right side surfaces of the seat body (1); the support frame (2) and the seat body (1) together form a support structure; a longitudinal groove is provided inside the support frame (2); a mounting plate (201) is fixedly connected inside the support frame (2); and the mounting plate (201) and the support frame (2) together form a support structure.

4. The shaft sleeve and shaft seal assembly structure according to claim 3, characterized in that: A hydraulic component (202) is installed on the top surface of the mounting plate (201), the main body of the hydraulic component (202) is a hydraulic rod structure, and the hydraulic component (202) and the mounting plate (201) together form a traction structure, the inner part of the longitudinal groove opened in the support frame (2) is connected to a table plate (203), the main body of the table plate (203) is arranged horizontally, and a slider (204) is fixedly connected to the outer side of the table plate (203), and the slider (204) is arranged at four places, wherein every two sliders (204) adjacent to each other in the longitudinal direction form a group.

5. The shaft sleeve and shaft seal assembly structure according to claim 4, characterized in that: The two groups of sliders (204) are respectively fixedly connected to the front and rear side positions of the table (203); the table (203) is slidably connected to the support frame (2) via the sliders (204) fixedly connected to the outside thereof; and the inner sides of the two table (203) are fixedly connected with ferrules (205); the main body of the ferrule (205) is an annular structure.

6. The shaft sleeve and shaft seal assembly structure according to claim 5, characterized in that: A top block (206) is fixedly connected to the inner wall of the ferrule (205), the main body of the top block (206) is an inclined structure, and the top block (206) and the ferrule (205) together form a limit structure, and the inner sides of the two support frames (2) are also fixedly connected to a top plate (3), the main body of the top plate (3) is consistent with the structure of the base body (1), and a screw hole is provided inside the top plate (3), and an adjustment rod (301) is screwed inside the screw hole, the main body of the adjustment rod (301) is a screw rod structure, and a knob (302) is fixedly connected to the top surface of the adjustment rod (301), the main body of the knob (302) is a circular structure with notches provided in a ring array on the outer circumference, and the knob (302) and the adjustment rod (301) together form an adjustment structure.