CN223685251U - Universal tool for positioning and fast switching of multiple types of shafts - Google Patents
Universal tool for positioning and fast switching of multiple types of shaftsInfo
- Publication number
- CN223685251U CN223685251U CN202520128311.XU CN202520128311U CN223685251U CN 223685251 U CN223685251 U CN 223685251U CN 202520128311 U CN202520128311 U CN 202520128311U CN 223685251 U CN223685251 U CN 223685251U
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- Prior art keywords
- positioning sleeve
- positioning
- movable
- multiple types
- sleeve
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Abstract
The utility model relates to the field of forklift part production and processing, and discloses a universal tool for quickly switching the positioning of multiple types of shafts, which comprises a base (1), a fixed positioning sleeve (2), a movable positioning sleeve (3) and a pressing plate (4), wherein a positioning hole is formed in the base (1), the fixed positioning sleeve (2) is arranged in the positioning hole, the movable positioning sleeve (3) is coaxially arranged in the fixed positioning sleeve (2), an inner thread is formed on the inner wall of the fixed positioning sleeve (2), an outer thread is formed on the outer wall of the movable positioning sleeve (3), an inner hexagonal cavity is formed inside the movable positioning sleeve (3) along a central axis, the movable positioning sleeve (3) can move up and down in the fixed positioning sleeve (2) through rotation, and the pressing plate (4) is arranged above the movable positioning sleeve (3) and is arranged to be capable of extruding and fixing a shaft positioned in the positioning sleeve. The universal tool is simple in structure and convenient to operate, solves the problem of frequent production replacement, and improves production efficiency.
Description
Technical Field
The utility model relates to the technical field of forklift part production and processing, in particular to a universal tool for quick and convenient switching of positioning of multiple types of shafts.
Background
Fork truck lifting systems have a variety of axle-like parts thereon for connecting various components on the truck. The shaft parts are characterized by multiple types, a lot of products are few in batches, and frequent production replacement is needed during the metal processing. Aiming at the situation, the existing processing scheme is that a special tool is configured for parts with the same positioning size, but the scheme causes excessive number of tools, frequent production replacement and low production replacement efficiency, and seriously affects production.
Therefore, it is highly desirable to provide a universal tool with better versatility to solve the above technical problems.
Disclosure of utility model
The utility model aims to solve the problems of excessive special tools and low production replacement and production efficiency in the prior art, and provides a general tool for quickly and conveniently switching the positioning of multiple types of shafts.
In order to achieve the aim, the utility model provides a universal fixture for quickly switching the positioning of multiple types of shafts, which comprises a base, a fixed positioning sleeve, a movable positioning sleeve and a pressing plate, wherein the base is provided with a positioning hole, the fixed positioning sleeve is arranged in the positioning hole, the movable positioning sleeve is coaxially arranged in the fixed positioning sleeve,
The inner wall of the fixed locating sleeve is provided with an inner thread, the outer wall of the movable locating sleeve is provided with an outer thread, an inner hexagonal cavity is formed in the movable locating sleeve along the central axis, the movable locating sleeve can move up and down in the fixed locating sleeve through rotation, and the pressing plate is arranged above the movable locating sleeve and is arranged to be capable of extruding and fixing a shaft positioned in the locating sleeve.
Preferably, the inner wall shape of the fixed positioning sleeve is attached to the outer wall of the movable positioning sleeve.
Preferably, the internal thread is positioned at the lower section of the inner wall of the fixed positioning sleeve, and the external thread is positioned at the middle section of the outer wall of the movable positioning sleeve.
Preferably, a groove is formed between the inner hexagonal cavity on the movable positioning sleeve and the top end surface of the movable positioning sleeve, and the groove is arranged to be capable of accommodating shaft heads of various shafts.
Preferably, a positioning structure which can be matched with the shaft shoulders of various shafts to position the shoulder surfaces is formed in the fixed positioning sleeve and is positioned above the movable positioning sleeve.
Preferably, the positioning structure is annular and the inner side is circular-like.
Preferably, the top end portion of the positioning structure is concavely formed with a plurality of circular arc-shaped notches.
Preferably, the plurality of circular arc-shaped notches are uniformly distributed along the circumferential direction.
Preferably, the pressure plate is connected with a cylinder, an oil cylinder or a mechanical arm.
Preferably, the edge of the fixed positioning sleeve, which is in contact with the shaft, is provided with a rounded corner.
According to the technical scheme, the fixed locating sleeve is arranged on the base, and the movable locating sleeve is in threaded connection with the internal thread of the lower section of the fixed locating sleeve through the external thread of the middle section of the movable locating sleeve. The outer diameter of the movable positioning sleeve is matched with the inner hole of the fixed positioning sleeve to ensure the position, so that the movable positioning sleeve can rotate up and down in the fixed positioning sleeve hole. As shown in fig. 3 and 4, when the class a shaft or the class B shaft is positioned, the pressing plate is removed, the class a shaft or the class B shaft is directly placed into a positioning space formed by matching the fixed positioning sleeve and the movable positioning sleeve, the pre-positioning is completed by the outer diameter of the lower part and the shoulder surface of the shaft, and finally, the pressing plate is moved to press and fix the top end of the shaft, so that the tight fixed positioning is realized. When the C-shaped shaft (see fig. 5) is positioned, the inner hexagon of the movable positioning sleeve needs to be rotated by the inner hexagon wrench, so that the movable positioning sleeve descends downwards, a positioning space is reserved, the C-shaped shaft is placed in the positioning space, and the positioning is performed through the inner hole of the fixed positioning sleeve and the outer diameter shoulder surface of the C-shaped shaft.
Drawings
FIG. 1 is a schematic diagram of the installation and structure of a universal fixture for positioning and fast switching of multiple types of shafts according to the utility model;
FIG. 2 is a schematic installation diagram of a fixed positioning sleeve and a movable positioning sleeve in a general tool for quick and convenient switching of positioning of multiple types of shafts, which is provided by the utility model;
FIG. 3 is a schematic diagram of a general tooling positioning type A shaft for quick and convenient switching of positioning of multiple types of shafts, which is provided by the utility model;
FIG. 4 is a schematic diagram of a general tooling positioning type B shaft for quick and convenient switching of positioning of multiple types of shafts, which is provided by the utility model;
fig. 5 is a schematic diagram of a general tooling positioning type C shaft for quick and convenient switching of positioning of multiple types of shafts.
Description of the reference numerals
1-Base 2-fixed positioning sleeve
3-Movable positioning sleeve 4-pressing plate
6-Groove 7-circular arc notch
501-A type shaft 502-B type shaft
503-C type shaft
Detailed Description
The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.
In the present utility model, unless otherwise indicated, the terms "upper, middle, lower, top, bottom, inner, outer" and the like are used to denote the orientations of the terms in the normal use state or are commonly understood by those skilled in the art, and are not to be construed as limitations of the terms.
Referring to fig. 1 and 2, the utility model provides a universal fixture for quick and convenient switching of positioning of multiple types of shafts, which comprises a base 1, a fixed positioning sleeve 2, a movable positioning sleeve 3 and a pressing plate 4, wherein the base 1 is provided with a positioning hole, the fixed positioning sleeve 2 is arranged in the positioning hole, the movable positioning sleeve 3 is coaxially arranged in the fixed positioning sleeve 2,
The inner wall of the fixed locating sleeve 2 is provided with an internal thread, the outer wall of the movable locating sleeve 3 is provided with an external thread, an inner hexagonal cavity is formed in the movable locating sleeve 3 along the central axis, the movable locating sleeve 3 can move up and down in the fixed locating sleeve 2 through rotation, and the pressing plate 4 is arranged above the movable locating sleeve 3 and is arranged to be capable of extruding and fixing a shaft positioned in the locating sleeve.
Through above-mentioned technical scheme, install fixed locating sleeve 2 on base 1, movable locating sleeve 3 passes through the external screw thread in its middle section and the internal thread threaded connection of fixed locating sleeve 2 hypomere. The outer diameter of the movable positioning sleeve 3 is matched with the inner hole of the fixed positioning sleeve 2 to ensure the position, so that the movable positioning sleeve 3 can rotate up and down in the hole of the fixed positioning sleeve 2. As shown in fig. 3 and 4, when the class a shaft 501 or the class B shaft 502 is positioned, the pressing plate 4 is removed, the class a shaft 501 or the class B shaft 502 is directly placed into a positioning space formed by the cooperation of the fixed positioning sleeve 2 and the movable positioning sleeve 3, the pre-positioning is completed by the outer diameter of the lower part and the shoulder surface of the shaft, and finally, the pressing plate 4 is moved to press and fix the top end of the shaft, so that the tight fixed positioning is realized. When positioning the C-shaped shaft 503 (see fig. 5), the inner hexagon wrench is required to rotate the inner hexagon of the movable positioning sleeve 3, so that the movable positioning sleeve 3 descends to make a positioning space free, and then the C-shaped shaft 503 is put into the positioning space, and the inner hole of the fixed positioning sleeve 2 is positioned with the outer diameter shoulder surface of the C-shaped shaft 503.
In this embodiment, in order to avoid a large gap between the movable positioning sleeve 3 and the fixed positioning sleeve 2, and further, other sundries in the working environment enter the gap to cause the unsmooth movement of the movable positioning sleeve 3 in the fixed positioning sleeve 2, preferably, the inner wall shape of the fixed positioning sleeve 2 is attached to the outer wall of the movable positioning sleeve 3.
In this embodiment, in order to facilitate the use of the socket head cap wrench to rotate the internal hexagon of the movable positioning sleeve 3, reduce the number of rotation turns of the rotary head cap wrench, and avoid wasteful rotation and waste of physical power, preferably, the internal thread is located at the lower section of the inner wall of the fixed positioning sleeve 2, and the external thread is located at the middle section of the outer wall of the movable positioning sleeve 3. Thus, the movable positioning sleeve 3 is extended into the fixed positioning sleeve 2 to a deeper depth to perform rotation adjustment, rather than starting to rotate continuously from the time when the movable positioning sleeve 3 just enters the fixed positioning sleeve 2 to screw the movable positioning sleeve 3 into the fixed positioning sleeve 2.
In this embodiment, in order to promote the practicality of this general frock for swift switching of multi-variety axle class location for it can be applicable to the location operation of the axle class of different models, different length, preferably is formed with recess 6 between the interior hexagonal cavity on the movable positioning sleeve 3 and movable positioning sleeve 3 top face, and recess 6 sets up to the spindle nose that can hold multi-variety axle. Thus, as shown in fig. 3 and 4, when the class a shaft 501 or the class B shaft 502 is positioned, the pressing plate 4 is removed, the shaft head of the class a shaft 501 or the class B shaft 502 is directly placed into the groove 6, the pre-positioning is completed by the outer diameter of the lower part and the shoulder surface of the shaft, and finally, the pressing plate 4 is moved to press and fix the top end of the shaft, so that the tight fixed positioning is realized. When the C-shaped shaft 503 (see fig. 5) is positioned, the shaft head of the C-shaped shaft 503 is larger than the groove 6, and the inner hexagon wrench is required to rotate the inner hexagon of the movable positioning sleeve 3, so that the movable positioning sleeve 3 descends to vacate the positioning space, and then the C-shaped shaft 503 is placed into the positioning sleeve to be positioned through the inner hole of the fixed positioning sleeve 2 and the outer diameter shoulder surface of the C-shaped shaft 503.
In this embodiment, in order to facilitate the auxiliary positioning of different types of shafts, it is preferable that a positioning structure capable of performing shoulder surface positioning in cooperation with the shoulders of multiple types of shafts is formed in the fixed positioning sleeve 2 above the movable positioning sleeve 3.
Further, in order to expand the wrapping capability of the positioning structure on the shaft, it is preferable that the positioning structure is annular and the inner side surface is circular.
Furthermore, in order to reduce the contact area between the positioning structure and the shaft, and facilitate adjustment and taking and placing of the shaft, preferably, a plurality of circular arc-shaped notches 7 are formed on the top end portion of the positioning structure in an inward concave manner.
In the present embodiment, in order to facilitate the processing of the positioning structure to form the notch, it is preferable that the plurality of circular arc-shaped notches 7 are uniformly distributed in the circumferential direction.
In the present embodiment, in order to facilitate the operation of adjusting the platen 4 as needed, the platen 4 is preferably connected to an air cylinder, an oil cylinder, or a mechanical arm.
In this embodiment, when the shaft is placed in the universal fixture, in order to avoid scratch, bump or even damage to the surface of the shaft due to the sharper profile, the edge of the fixed positioning sleeve 2 contacting the shaft is preferably rounded.
The preferred embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited thereto. Within the scope of the technical idea of the utility model, a number of simple variants of the technical solution of the utility model are possible, including combinations of individual specific technical features in any suitable way. The various possible combinations of the utility model are not described in detail in order to avoid unnecessary repetition. Such simple variations and combinations are likewise to be regarded as being within the scope of the present disclosure.
Claims (10)
1. A universal fixture for quickly and conveniently switching the positioning of multiple types of shafts is characterized by comprising a base (1), a fixed positioning sleeve (2), a movable positioning sleeve (3) and a pressing plate (4), wherein a positioning hole is formed in the base (1), the fixed positioning sleeve (2) is arranged in the positioning hole, the movable positioning sleeve (3) is coaxially arranged in the fixed positioning sleeve (2),
The movable positioning sleeve (3) is characterized in that an inner thread is formed on the inner wall of the fixed positioning sleeve (2), an outer thread is formed on the outer wall of the movable positioning sleeve (3), an inner hexagonal cavity is formed inside the movable positioning sleeve (3) along the central axis, the movable positioning sleeve (3) can move up and down in the fixed positioning sleeve (2) through rotation, and the pressing plate (4) is arranged above the movable positioning sleeve (3) and is arranged to be capable of extruding and fixing a shaft positioned in the positioning sleeve.
2. The universal fixture for quickly and conveniently switching the positioning of the multiple types of shafts according to claim 1, wherein the inner wall of the fixed positioning sleeve (2) is in fit with the outer wall of the movable positioning sleeve (3).
3. The universal fixture for quick and convenient switching of multi-variety shaft positioning according to claim 2, wherein the internal thread is positioned at the lower section of the inner wall of the fixed positioning sleeve (2), and the external thread is positioned at the middle section of the outer wall of the movable positioning sleeve (3).
4. The universal fixture for quickly and quickly switching the positioning of the multiple types of shafts according to claim 1, wherein a groove (6) is formed between the inner hexagonal cavity on the movable positioning sleeve (3) and the top end surface of the movable positioning sleeve (3), and the groove (6) is arranged to be capable of accommodating the shaft heads of the multiple types of shafts.
5. The universal fixture for quickly and conveniently switching the positioning of the multiple types of shafts according to claim 1, wherein a positioning structure capable of being matched with the shoulders of the multiple types of shafts for shoulder surface positioning is formed in the fixed positioning sleeve (2) and above the movable positioning sleeve (3).
6. The universal fixture for positioning and fast switching of multiple types of shafts according to claim 5, wherein the positioning structure is annular and the inner side surface is circular.
7. The universal fixture for positioning and quick switching of multiple types of shafts according to claim 6, wherein a plurality of circular arc-shaped notches (7) are formed on the top end portion of the positioning structure in an inward recessed manner.
8. The universal fixture for positioning and fast switching of multiple types of shafts according to claim 7, wherein a plurality of the circular arc-shaped notches (7) are uniformly distributed along the circumferential direction.
9. The universal fixture for positioning and fast switching of multiple types of shafts according to claim 1, wherein the pressing plate (4) is connected with a cylinder, an oil cylinder or a mechanical arm.
10. The universal fixture for positioning and quick switching of multiple types of shafts according to claim 1, wherein the edges of the fixed positioning sleeve (2) contacted with the shafts are rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520128311.XU CN223685251U (en) | 2025-01-17 | 2025-01-17 | Universal tool for positioning and fast switching of multiple types of shafts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520128311.XU CN223685251U (en) | 2025-01-17 | 2025-01-17 | Universal tool for positioning and fast switching of multiple types of shafts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223685251U true CN223685251U (en) | 2025-12-19 |
Family
ID=98022422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520128311.XU Active CN223685251U (en) | 2025-01-17 | 2025-01-17 | Universal tool for positioning and fast switching of multiple types of shafts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223685251U (en) |
-
2025
- 2025-01-17 CN CN202520128311.XU patent/CN223685251U/en active Active
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