Safety protection sleeve for manual tool

By designing a safety cover for hand tools, the problems of difficulty in adding lubricant and insufficient safety when the rotating shaft of a hand tool is engaged are solved, realizing convenient and smooth lubricant addition, and improving safety and cleanliness.

CN223719427UActive Publication Date: 2025-12-26JIANGSU JINLU GRP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423239058.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-12-26
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

The rotating shaft of existing hand tools is easily affected by dust during operation, and the lubricant filling is difficult and hard to control, resulting in poor lubrication and insufficient safety.

Method used

A safety sleeve for hand tools was designed. It is connected to the outer end of the movable shaft of the hand tool through an insert-type locking connection and is equipped with a lubrication structure, including a cylindrical lubrication filling groove and a spherical reinforced guide column, to ensure smooth lubrication and prevent leakage.

Benefits of technology

It enables convenient and smooth application of lubricant, improves the safety and cleanliness of hand tools, and prevents lubricant from leaking onto other external structures.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223719427U_ABST
    Figure CN223719427U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of manual tool assemblies, in particular to a safety protection sleeve for a manual tool. According to the technical scheme, the device comprises a cylindrical main body matching stop column with the center axis in the left-right direction, and the left side of the main body matching stop column is provided with an arc-shaped installation reinforcing limiting plate which is integrally formed and evenly distributed in the circumferential direction. And a mounting clamping matching plate is arranged at the position, between every two adjacent mounting reinforcing limiting plates, of the left side of the main body matching stopping column, a conical clamping matching boss is arranged on the outer side of each mounting clamping matching plate, and a cylindrical lubricating avoiding safety groove is formed in the center of the left side end face of the main body matching stopping column. The lubricating device has the advantages that the lubricating liquid can be more conveniently filled, the internal position and the movable matching position of the movable component can be comprehensively lubricated and matched, so that the matching smoothness is better when the lubricating liquid is internally filled, and meanwhile, the position of the movable shaft can be effectively prevented from being easily influenced by the environment.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to hand tool assembly technical field especially, relates to a hand tool safety protection cover. BACKGROUND

[0002] Hardware hand tools are commonly used tools when mechanical equipment components cooperate, and the tools of the activity type usually need to be connected with rotating shafts during production, the rotating shafts of the prior art are directly matched together by compression during cooperation, the outer side position is easily affected by dust and impurities during use, and the lubrication of the inner activity position of the rotating shaft is difficult to add, and the lubrication fluid is easily injected into other positions outside during the adding process, and the lubrication smoothness of the inner activity position is difficult to guarantee. SUMMARY

[0003] The utility model discloses a hand tool safety protection cover, which can cooperate with the outer end of the activity shaft position of the hand tool during use, and can be quickly clamped and connected by insertion, the lubricating structure arranged on both sides of the center position can make the lubricating fluid easier to add, the inner position and the activity cooperation position of the activity assembly can be comprehensively lubricated, the cooperation smoothness of the inner lubricating fluid is better, the activity shaft position can be effectively prevented from being affected by the environment, the safety during use is better, the lubricating fluid is not easy to flow to other structures outside during addition, and the cleanliness during the adding process is better.

[0004] The technical scheme of the utility model is as follows:

[0005] A hand tool safety protection cover is characterized by comprising a cylindrical main body cooperation stop column with a left-right direction center shaft, the left side of the main body cooperation stop column is provided with integrally-formed arc-shaped installation reinforcing limiting plates uniformly distributed in a circle, the left side of the main body cooperation stop column is provided with an integrally-formed arc-shaped installation clamping cooperation plate between adjacent two installation reinforcing limiting plates, the outer side of the installation clamping cooperation plate is provided with a tapered clamping cooperation boss, the center position of the left end surface of the main body cooperation stop column is provided with a cylindrical lubricating avoidance safety groove, the right side of the main body cooperation stop column is provided with a cylindrical lubricating adding cooperation groove, the inside of the lubricating adding cooperation groove is provided with an integrally-formed spherical reinforcing guide cooperation column, and the inside of the lubricating avoidance safety groove is provided with main body lubricating conveying holes uniformly distributed in a circle and completely penetrating the right side of the reinforcing guide cooperation column.

[0006] Further, the installation clamping cooperation plate and the installation reinforcing limiting plate are provided with arc-shaped reinforcing connection support structures on the side close to the center axis of the main body cooperation stop column.

[0007] Further, the size of the inside position of the reinforced guide fitting column is same as the diameter of the lubricating filling fitting groove.

[0008] Further, the height of the left and right direction of the reinforced guide fitting column is same as the depth of the left and right direction of the lubricating filling fitting groove.

[0009] Further, the main body lubricating conveying hole is conical structure, and the size of the outside position of the main body lubricating conveying hole is larger than the size of the position close to one side of the lubricating avoiding safety groove.

[0010] The utility model discloses beneficial effect:

[0011] The utility model discloses when using can cooperate together with the outside end portion of the manual tool movable shaft position, through the mode of inserting carries out quick clamping connection, can guarantee lubricating structure that sets up the both sides of the center position when using, can guarantee that lubricating liquid is filled more conveniently, can carry out overall lubricating cooperation between the inside position and the movable cooperation position of movable component, makes the cooperation of lubricating liquid inside filling better, can effectively avoid movable shaft position and be easily influenced by environment, the safety is better when using, makes lubricating liquid fill not easy to flow to the outside other structure, makes the cleanness better in the filling process. DRAWINGS

[0012] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0013] Figure 2 It is the front schematic diagram of the utility model;

[0014] Figure 3 It is the left side schematic diagram of the utility model;

[0015] Figure 4 It is the right side schematic diagram of the utility model;

[0016] Figure 5 It is the overhead schematic diagram of the utility model;

[0017] Figure 6 It is the section schematic diagram of the utility model A-A position;

[0018] Figure 7 It is the three-dimensional structure schematic diagram of the utility model second direction;

[0019] In the drawing: 1, main body fitting stop column, 2, install reinforcing limit board, 3, install clamping fitting board, 4, clamping fitting boss, 5, lubricating avoiding safety groove, 6, lubricating filling fitting groove, 7, reinforced guide fitting column, 8, main body lubricating conveying hole. SPECIFIC IMPLEMENTATION

[0020] AsFigures 1 to 7 As shown in the figure, a manual tool safety protective sleeve, which comprises a cylindrical main body with a left-right direction central axis matched with a stop column 1, the left side of the main body matched with the stop column 1 is provided with an integrally formed circular arc-shaped mounting reinforcing limiting plate 2 which is uniformly distributed in the circumference, the left side of the main body matched with the stop column 1 is provided with an integrally formed circular arc-shaped mounting clamping matching plate 3 between two adjacent mounting reinforcing limiting plates 2, which are fastened and connected when matched. The outer side of the mounting clamping matching plate 3 is provided with a tapered clamping matching boss 4, which can be matched together by clamping, and has reliable combined anti-loosening effect. The central position of the left side end surface of the main body matched with the stop column 1 is provided with a cylindrical lubricating avoidance safety groove 5, which can be fully matched with the end position of the internal movable shaft, and can better ensure the lubrication smoothness during later lubrication filling. The right side of the main body matched with the stop column 1 is provided with a cylindrical lubricating filling matching groove 6, which can be filled with lubricating liquid at this position during use. The end position is filled with lubricating liquid upward during filling. The inside of the lubricating filling matching groove 6 is provided with an integrally formed spherical reinforcing guide matching column 7, which can better ensure the structural strength of the filling position, and can provide flow guide matching for lubricating liquid filling, making the filling smoothness better. The inside of the lubricating avoidance safety groove 5 is provided with a main body lubricating conveying hole 8 which is uniformly distributed in the circumference and completely penetrates the right side of the reinforcing guide matching column 7, which can convey lubricating liquid into the inside at this position. It can be matched together with the outer side end of the movable shaft position of the manual tool during use, and can be quickly clamped and connected by insertion, and the lubricating structure arranged at the central position during use can make the lubricating liquid filling more convenient, and the internal position can be fully lubricated with the movable matching position of the movable component, making the internal filling of the lubricating liquid more smooth, and effectively avoiding the influence of the environment on the movable shaft position, making the safety during use better, and the lubricating liquid filling is not easy to flow to the outside of other structures, making the cleanliness during the filling process better.

[0021] As preferred, the mounting clamping matching plate 3 and the mounting reinforcing limiting plate 2 are provided with a circular arc-shaped reinforcing connection support structure near the side position of the central axis of the main body matched with the stop column 1, making the bearing capacity of the connection position stronger and the connection stability during matching more reliable.

[0022] As preferred, the inside position of the reinforcing guide matching column 7 has the same size as the diameter of the lubricating filling matching groove 6, making the overall flatness of the inside position better and the structural strength further improved.

[0023] As preferred, the height of the reinforcing guide matching column 7 in the left-right direction is the same as the depth of the lubricating filling matching groove 6 in the left-right direction, making the overall flatness of the outside position better and the safety during use more reliable.

[0024] As preferred, the main body lubricating delivery hole 8 is conical structure, the size of the outer side position of the main body lubricating delivery hole 8 is greater than the size of the side position close to the lubricating avoiding safety groove 5, in use, the lubricating liquid can be better smooth when filling, and the lubricating flow matching efficiency is higher.

[0025] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the ordinary technical personnel in the art, without departing from the principle of the present application, can make a number of improvements or replacement, these improvements or replacement also should be considered as the protection scope of the present application.

Claims

1. A safety guard for a hand tool, characterized by: The application relates to a cylindrical main body matching stop column (1) with a central axis in the left-right direction, wherein the left side of the main body matching stop column (1) is provided with integrally-formed arc-shaped mounting reinforcing limiting plates (2) uniformly distributed in a circle, the left side of the main body matching stop column (1) is provided with integrally-formed arc-shaped mounting clamping matching plates (3) between two adjacent mounting reinforcing limiting plates (2), the outer side of the mounting clamping matching plate (3) is provided with a tapered clamping matching boss (4), the central position of the left end surface of the main body matching stop column (1) is provided with a cylindrical lubricating avoidance safety groove (5), the right side of the main body matching stop column (1) is provided with a cylindrical lubricating filling matching groove (6), the inside of the lubricating filling matching groove (6) is provided with an integrally-formed spherical reinforcing guide matching column (7), and the inside of the lubricating avoidance safety groove (5) is provided with main body lubricating conveying holes (8) uniformly distributed in a circle and completely penetrating the right side of the reinforcing guide matching column (7).

2. A safety sleeve for a hand tool according to claim 1, wherein: The mounting clamping matching plate (3) and the mounting reinforcing limiting plate (2) are provided with arc-shaped reinforcing connecting support structures close to the side of the central axis of the main body matching stop column (1).

3. A safety sleeve for a hand tool according to claim 1, wherein: The size of the inside of the reinforcing guide matching column (7) is the same as the diameter of the lubricating filling matching groove (6).

4. A safety sleeve for a hand tool according to claim 1, wherein: The height of the reinforcing guide matching column (7) in the left-right direction is the same as the depth of the lubricating filling matching groove (6) in the left-right direction.

5. A safety sleeve for a hand tool according to claim 1, wherein: The main body lubricating conveying hole (8) is a conical structure, and the size of the outside of the main body lubricating conveying hole (8) is larger than the size of the side close to the lubricating avoidance safety groove (5).