Limiting mechanism of engineering angle grinder

Abstract

The utility model discloses a limiting mechanism of an engineering angle grinder, which relates to the technical field of engineering angle grinders and comprises a fixing disc, a limiting component is arranged at the bottom end of the fixing disc, and the limiting component is connected with a grinding component. The limiting assembly comprises a rectangular shell, a supporting spring and two inserting rods, a cover plate is fixedly installed on the surface of the rectangular shell through a plurality of screws, the supporting spring is arranged in the rectangular shell, the two ends of the supporting spring are connected with sliding blocks, one sides of the two sliding blocks are fixedly connected with the inserting rods, and the inserting rods are fixedly connected with the limiting assembly. Push rods are fixedly arranged at the bottoms of the two sliding blocks. The polishing device has the advantages that the support of the polishing assembly and the rectangular shell of the limiting assembly can be clamped conveniently by pushing the two push rods of the limiting assembly oppositely, the two insertion rods can be pushed into the two insertion holes of the support respectively by loosening the push rods and the supporting springs, the firmness of the polishing piece can be kept, and the polishing piece can be rapidly installed conveniently.

Description

Technical Field

[0001] The utility model relates to a limiting mechanism, in particular to a limiting mechanism of an engineering angle grinder, and belongs to the technical field of engineering angle grinders. Background Art

[0002] An angle grinder is a grinding tool used for metal, wood, ceramics and other materials. It can process and grind materials at different angles. The engineering version of the angle grinder is a professional angle grinder, which is usually used in large-scale engineering projects, such as construction, bridges, aviation and other industries. The engineering version of the angle grinder has features that ordinary angle grinders do not have, including more durable materials, higher speeds and larger grinding head diameters, enabling it to handle a wider variety of materials and more complex processing work.

[0003] The "fastening nut for the grinding disc of an angle grinder" disclosed in its application number "CN202021662968.8" is "composed of a nut body, and the side of the nut has at least one set of mutually parallel rectangular plane structures, and one set of rectangular plane structures includes two rectangular planes". In the utility model, the structure is simple and easy to use. Different sizes can be processed according to different commonly used tools, and the fastening nut can be quickly disassembled and assembled, shortening the maintenance time and reducing the workload; and the original disassembly hole is retained so that the nut can also be disassembled and assembled by specific tools.

[0004] However, the above method still has the following defects: by providing at least one group of mutually parallel rectangular plane structures on the side of the nut, it can meet the needs of conventional tools for disassembly and assembly of the nut, and can limit the grinding disc, but multiple screws and nuts are required to cooperate with the disassembly holes, and multiple nuts need to be continuously rotated when installing and disassembling the grinding disc of the angle grinder, which is more labor-intensive and time-consuming. When used in engineering production activities, the angle grinder needs to be kept in a continuous working state, which can easily lead to wear of the grinding disc and requires frequent replacement, which will reduce production efficiency. Utility Model Content

[0005] The purpose of the utility model is to provide a limiting mechanism for an engineering angle grinder to solve the problem in the above-mentioned background technology that when installing and removing the grinding disc of the angle grinder, multiple nuts need to be rotated continuously, which is labor-intensive and time-consuming and reduces production efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a limiting mechanism of an engineering angle grinder, comprising a fixed plate, a limiting assembly is provided at the bottom end of the fixed plate, and the limiting assembly is connected to a grinding assembly; the limiting assembly comprises a rectangular shell, a support spring and two plug rods, a cover plate is fixedly installed on the surface of the rectangular shell by a plurality of screws, a support spring is provided inside the rectangular shell, both ends of the support spring are connected to sliders, one side of the two sliders are fixedly connected to the plug rod, and the bottom of the two sliders are fixedly provided with a push rod; the grinding assembly comprises a bracket and a grinding sheet, the bracket is snap-fitted and connected to the rectangular shell, the tops of both sides of the bracket are provided with sockets, the two plug rods are respectively snap-fitted and connected to the two sockets, and a grinding sheet is provided at the bottom end of the bracket.

[0007] As a preferred technical solution of the utility model, rod grooves are provided on both sides of the rectangular shell, and the two insertion rods are slidingly connected to the two rod grooves respectively. A plurality of threaded grooves are provided on the surface of the rectangular shell, and screws are threadedly connected to the plurality of threaded grooves.

[0008] As a preferred technical solution of the utility model, two slide grooves and a plurality of through holes are provided on the surface of the cover plate, the two push rods are respectively slidably connected to the two slide grooves, and the plurality of screws are respectively insertedly connected to the plurality of through holes.

[0009] As a preferred technical solution of the utility model, a spring column is fixedly provided on the other side of the two sliders, the two ends of the support spring are respectively engaged with the two spring columns, and the two sliders are slidably connected to the inner wall of the rectangular shell.

[0010] As a preferred technical solution of the utility model, plugs are fixedly provided at the other ends of the two plug rods, and the two plug rods are made of stainless steel.

[0011] As a preferred technical solution of the utility model, a reinforcement plate is embedded in the middle of the top of the grinding plate, the bottom end of the bracket is fixedly connected to the top of the reinforcement plate, a rectangular groove is opened in the middle of the top of the reinforcement plate, and the rectangular shell is snap-connected with the rectangular groove.

[0012] As a preferred technical solution of the utility model, the top end of the fixed plate is fixedly connected with a rotating shaft of an angle grinder, and the grinding sheet is coaxial with the rotating shaft of the angle grinder.

[0013] Compared with the related art, the limiting mechanism of an engineering angle grinder provided by the utility model has the following beneficial effects:

[0014] 1. By pushing the two push rods of the limit assembly in opposite directions, the support spring can be compressed, which makes it easy to engage the bracket of the grinding assembly with the rectangular shell of the limit assembly, avoiding horizontal displacement of the bracket. By loosening the push rod, the support spring can push the two plug rods into the two plug holes of the bracket respectively. The support spring can support the two sliders to maintain the distance between the two sliders, prevent the sliders from loosening, avoid vertical displacement of the bracket, maintain the firmness of the grinding sheet, and facilitate its rapid installation. The push rods are pushed in opposite directions again and the plug rods are pulled out of the plug holes, so the grinding sheet can be quickly disassembled. There is no need to fix the grinding sheet with bolts, which saves manpower and time required for replacing the grinding sheet. When applied to engineering production activities, it improves production efficiency.

[0015] 2. By engaging the bracket with the rectangular shell, the rectangular shell can transmit torque, avoiding the insertion rod from bearing torque and preventing the insertion rod from deforming. By opening the cover plate, the support spring and the slider are taken out in turn, which facilitates the maintenance and replacement of the support spring and the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the fixed disk of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the grinding assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the limit assembly of the utility model;

[0020] Figure 5 It is a structural schematic diagram of the support spring of the utility model.

[0021] In the figure: 1. fixed plate; 2. angle grinder shaft; 3. limit assembly; 301. rectangular shell; 302. support spring; 303. spring column; 304. slider; 305. plug rod; 306. plug; 307. rod groove; 308. push rod; 309. threaded groove; 3010. cover plate; 3011. screw; 3012. slide groove; 4. grinding assembly; 401. bracket; 402. grinding sheet; 403. reinforcement sheet; 404. socket; 405. rectangular groove. 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 in 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] Embodiment 1:

[0024] See also Figure 1-5 The utility model provides a limiting mechanism for an engineering angle grinder, comprising a fixed plate 1, a limiting component 3 is provided at the bottom end of the fixed plate 1, and the limiting component 3 is connected to a grinding component 4;

[0025] The limiting assembly 3 includes a rectangular shell 301, a support spring 302 and two insertion rods 305. A cover plate 3010 is fixedly installed on the surface of the rectangular shell 301 by a plurality of screws 3011. A support spring 302 is arranged inside the rectangular shell 301. Both ends of the support spring 302 are connected to sliders 304. One side of the two sliders 304 is fixedly connected to the insertion rod 305. The bottom of the two sliders 304 is fixedly provided with a push rod 308. The support spring 302 can support the two sliders 304, maintain the distance between the two sliders 304, and prevent the sliders 304 from loosening.

[0026] Rod grooves 307 are provided on both sides of the rectangular shell 301, and two insertion rods 305 are slidably connected to the two rod grooves 307 respectively. A plurality of thread grooves 309 are provided on the surface of the rectangular shell 301, and the plurality of thread grooves 309 are threadedly connected with screws 3011. The rod grooves 307 can ensure the telescopic movement of the insertion rod 305, and the thread grooves 309 can position the screws 3011.

[0027] The surface of the cover plate 3010 is provided with two slide grooves 3012 and a plurality of through holes. The two push rods 308 are respectively slidably connected with the two slide grooves 3012. The plurality of screws 3011 are respectively inserted and connected with the plurality of through holes. The screws 3011 can be inserted through the through holes, and the push rods 308 can be guided through the slide grooves 3012.

[0028] The other side of the two sliders 304 is fixed with a spring column 303, and the two ends of the support spring 302 are respectively engaged with the two spring columns 303. The two sliders 304 are slidably connected to the inner wall of the rectangular shell 301. The spring columns 303 can limit the two ends of the support spring 302 to prevent the support spring 302 from loosening and falling off.

[0029] The other ends of the two plug rods 305 are fixed with plugs 306 . The two plug rods 305 are made of stainless steel. The plugs 306 can guide the plug rods 305 to facilitate the insertion of the plug rods 305 into the sockets 404 .

[0030] Embodiment 2:

[0031] The grinding assembly 4 includes a bracket 401 and a grinding sheet 402. The bracket 401 is connected to the rectangular shell 301 by snapping. The tops of both sides of the bracket 401 are provided with plug holes 404. The two plug rods 305 are respectively connected to the two plug holes 404 by snapping. The bottom end of the bracket 401 is provided with a grinding sheet 402. The grinding sheet 402 can be connected and supported by the bracket 401.

[0032] A reinforcing sheet 403 is embedded in the middle of the top of the grinding sheet 402, the bottom end of the bracket 401 is fixedly connected to the top of the reinforcing sheet 403, a rectangular groove 405 is opened in the middle of the top of the reinforcing sheet 403, and the rectangular shell 301 is connected with the rectangular groove 405 by snapping, and the middle of the grinding sheet 402 can be reinforced by the reinforcing sheet 403, and the grinding sheet 402 is not easy to deform, and the bracket 401 can be snapped on the rectangular shell 301 by the rectangular groove 405;

[0033] The top of the fixed plate 1 is fixedly connected with the angle grinder shaft 2 , and the grinding sheet 402 is coaxial with the angle grinder shaft 2 , and the angle grinder shaft 2 can drive the grinding sheet 402 to rotate.

[0034] When in use, the staff drives the grinding sheet 402 through the angle grinder shaft 2 of the angle grinder, and the grinding sheet 402 can perform engineering grinding activities. After the grinding sheet 402 is worn, the staff pushes the two push rods 308 in opposite directions, so that the two sliders 304 compress the support spring 302, drive the two plug rods 305 to shrink, pull the two plug rods 305 out of the two plug holes 404, and then vertically pull the bracket 401 to separate it from the rectangular shell 301, so that the worn grinding sheet 402 can be quickly removed. The staff takes out the grinding sheet 402 to be replaced, pushes the two push rods 308 in opposite directions again, shrinks the two plug rods 305, and then engages the bracket 401 with the rectangular shell 301 through the rectangular groove 405. Finally, releases the push rod 308, and the support spring 302 can separate the two The insertion rod 305 is pushed into the two insertion holes 404 of the bracket 401 respectively, and the support spring 302 can support the two sliders 304, maintain the distance between the two sliders 304, prevent the sliders 304 from loosening, and quickly replace the grinding disc 402. Since the bracket 401 is engaged with the rectangular shell 301 through the rectangular groove 405, the rectangular shell 301 can transmit torque during the grinding process, thereby preventing the insertion rod 305 from being subjected to torque. When the slider 304 and the support spring 302 need to be replaced, the staff loosens the screw 3011, opens the cover 3010, and then squeezes the support spring 302, removes its two ends from the two spring columns 303 respectively, and then slides the insertion rod 305 into the rectangular shell 301, and then the support spring 302 and the slider 304 can be removed.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A limiting mechanism for an engineering angle grinder, comprising a fixed plate (1), characterized in that: A limiting component (3) is provided at the bottom end of the fixed plate (1), and the limiting component (3) is connected to a grinding component (4); The limiting assembly (3) comprises a rectangular shell (301), a support spring (302) and two insertion rods (305); a cover plate (3010) is fixedly mounted on the surface of the rectangular shell (301) by means of a plurality of screws (3011); a support spring (302) is arranged inside the rectangular shell (301); both ends of the support spring (302) are connected to sliders (304); one side of the two sliders (304) is fixedly connected to the insertion rod (305); and a push rod (308) is fixedly arranged at the bottom of the two sliders (304); The grinding assembly (4) comprises a bracket (401) and a grinding sheet (402); the bracket (401) is snap-fitted and connected to the rectangular shell (301); the tops of both sides of the bracket (401) are provided with plug holes (404); the two insertion rods (305) are snap-fitted and connected to the two plug holes (404) respectively; and the bottom end of the bracket (401) is provided with a grinding sheet (402).

2. The limiting mechanism of an engineering angle grinder according to claim 1, characterized in that: Rod grooves (307) are provided on both sides of the rectangular shell (301), and the two insertion rods (305) are respectively slidably connected to the two rod grooves (307). A plurality of thread grooves (309) are provided on the surface of the rectangular shell (301), and the plurality of thread grooves (309) are all threadedly connected with screws (3011).

3. The limiting mechanism of an engineering angle grinder according to claim 1 is characterized in that: The surface of the cover plate (3010) is provided with two slide grooves (3012) and a plurality of through holes, the two push rods (308) are respectively slidably connected to the two slide grooves (3012), and the plurality of screws (3011) are respectively inserted and connected to the plurality of through holes.

4. The limiting mechanism of an engineering angle grinder according to claim 1, characterized in that: A spring column (303) is fixedly provided on the other side of the two sliders (304), and the two ends of the support spring (302) are respectively engaged and connected with the two spring columns (303), and the two sliders (304) are slidably connected with the inner wall of the rectangular shell (301).

5. The limiting mechanism of an engineering angle grinder according to claim 1, characterized in that: The other ends of the two insertion rods (305) are fixedly provided with plugs (306), and the two insertion rods (305) are made of stainless steel.

6. The limiting mechanism of an engineering angle grinder according to claim 1, characterized in that: A reinforcing sheet (403) is embedded in the middle of the top of the grinding sheet (402), the bottom end of the bracket (401) is fixedly connected to the top of the reinforcing sheet (403), a rectangular groove (405) is opened in the middle of the top of the reinforcing sheet (403), and the rectangular shell (301) is snap-fitted and connected to the rectangular groove (405).

7. The limiting mechanism of an engineering angle grinder according to claim 1, characterized in that: The top end of the fixed plate (1) is fixedly connected to an angular grinder shaft (2), and the grinding sheet (402) is coaxial with the angular grinder shaft (2).

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