Angle grinder pressing plate and angle grinder wrench
By setting a wrench with polygonal countersunk holes and polygonal studs on the angle grinder pressure plate, the slippage problem caused by the circular contact surface between the traditional angle grinder pressure plate and the wrench is solved, realizing a more labor-saving and convenient grinding wheel installation process.
Patent Information
- Application Number
- CN202520496441.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-20
AI Technical Summary
The existing angle grinder's pressure plate and wrench have a circular contact surface structure, which makes it easy to slip during disassembly, affecting the efficiency of grinding wheel installation.
A polygonal countersunk hole is provided on the pressure plate, and a wrench with a polygonal stud is provided to form a multi-faceted contact structure, ensuring a stable connection between the wrench and the pressure plate.
It effectively prevents slippage, improves the installation efficiency and ease of operation of the grinding wheel, and reduces the wear and deformation of the wrench.
Smart Images

Figure CN223876758U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of angle grinder, specifically relates to an angle grinder pressing plate and angle grinder wrench. BACKGROUND
[0002] The angle grinder is pressed tightly by the pressing plate nut, and then cutting operation is carried out, when cutting operation is carried out, with the rotation of the grinding wheel, the nut will rotate reversely along the rotation direction of the grinding wheel through friction, thereby leading to more and more tight, when the grinding wheel is worn, the grinding wheel needs to be removed and replaced, at this time, the pressing plate nut needs to be loosened, the commonly used pressing plate nut is provided with four circular through holes which are uniformly distributed in the circumferential direction on the end face, and then the cylindrical pin of the special wrench with two cylindrical pins is inserted into the circular through hole of the pressing plate nut, and the special wrench is rotated to remove the pressing plate nut, but since the pressing plate nut is pressed too tightly, and the cylindrical contact surface structure is adopted between the wrench and the nut, the structure not only is not good at exerting force during the dismounting of the nut, but also can slip, thereby affecting the installation of the grinding wheel.
[0003] In view of this, the present inventors have conducted in-depth research on the above problems, and thus the present case is produced. CONTENT OF THE UTILITY MODEL
[0004] The first object of the utility model is to provide an angle grinder pressing plate which is convenient and fast to install and is not prone to slipping.
[0005] The utility model adopts the scheme that an angle grinder pressing plate comprises a circular pressing plate body, an inner threaded hole is arranged at the center of the pressing plate body, a plurality of polygonal counterbores are uniformly distributed on the upper side of the pressing plate body to form a multi-surface contact structure of the pressing plate and the wrench, thereby effectively preventing slipping during installation and dismounting, and the distance between the plurality of polygonal counterbores and the center of the nut body is equal.
[0006] Further, in order to form a multi-surface contact structure of the pressing plate and the wrench, prevent slipping during installation and dismounting of the pressing plate, and ensure the structural strength of the pressing plate, the polygonal counterbores are hexagonal counterbores, and the ratio of the depth of the polygonal counterbores to the thickness of the pressing plate body is 1:1.2-1.5.
[0007] Further, in order to form a symmetrical structure and ensure that the wrench can uniformly exert force to drive the pressing plate to rotate during installation and dismounting, the polygonal counterbores are provided with two or four.
[0008] The second object of the utility model is to provide an angle grinder wrench which is simple in structure, convenient to operate and can quickly lock an angle grinder pressing plate.
[0009] The utility model discloses a technical problem adopts the scheme of solving technical problem: a angle grinder wrench, including wrench body, one side of the wrench body is equipped with the round joint, corresponding to the polygonal counterbore, a plurality of polygonal studs are equipped on the round joint.
[0010] Further, in order to form the multi-surface contact structure of the pressing plate and the wrench, ensure that the pressing plate can be effectively driven to rotate when the wrench is rotated, and avoid slipping during installation; the polygonal stud is a hexagonal stud, and the polygonal stud is provided with two or four.
[0011] Further, in order to expand the application range of the wrench and realize the multi-structure switching of the wrench, the wrench can be used to lock the pressing plate and can be switched to a common wrench, that is, the polygonal stud is replaced by a cylindrical pin to lock a common pressing plate; the polygonal stud is detachably installed on the round joint, a threaded joint is arranged on the upper side of the polygonal stud, and a plurality of threaded holes for threadedly connecting with the threaded joints of the polygonal studs one by one are arranged on the round joint.
[0012] Further, in order to directly lock and install the hexagonal nut; the other side of the wrench body is provided with a hexagonal hole for rotating the hexagonal nut.
[0013] Compared with the prior art, the utility model has the following advantages: the utility model discloses a polygonal counterbore is arranged on the angle grinder pressing plate, and the angle grinder wrench with the polygonal stud is matched to form the multi-surface contact structure of the polygonal counterbore and the polygonal stud, compared with the circular contact surface structure of the traditional pressing plate nut and the traditional angle grinder wrench, the structure can more effectively prevent the wrench from slipping during operation, the pressing plate nut from deforming and the like, and the multi-surface contact structure can better transmit the force of the wrench to the pressing plate when the pressing plate is disassembled, effectively lock the angle grinder pressing plate, compared with the traditional structure, more labor-saving, more convenient to operate, and more capable of realizing fast and efficient locking of the pressing plate. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model will be further described in connection with the embodiments and the accompanying drawings:
[0015] Figure 1 It is the structure schematic view of angle grinder pressing plate;
[0016] Figure 2 It is the structure schematic view of angle grinder wrench.
[0017] In the drawing: the pressing plate body 1;Internal thread hole 11;Polygonal counterbore 12;Wrench body 2;Round joint 21;Polygonal stud 22;Hexagonal hole 23. DETAILED DESCRIPTION
[0018] The utility model contents will be described in detail in connection with the drawings and specific embodiments of the specification:
[0019] Example 1: As Figure 1 As shown, this embodiment provides an angle grinder pressure plate, including a circular pressure plate body 1. The pressure plate body 1 has an internal threaded hole 11 at its center. The upper side of the pressure plate body 1 is evenly distributed with a number of polygonal countersunk holes 12 to form a multi-faceted contact structure between the pressure plate and the wrench, thereby effectively preventing slippage during assembly and disassembly. The distances of the number of polygonal countersunk holes 12 from the center of the nut body are equal.
[0020] In this embodiment, in order to form a multi-faceted contact structure between the pressure plate and the wrench, prevent slippage during the installation and removal of the pressure plate, and ensure the structural strength of the pressure plate, the polygonal countersunk hole 12 is a hexagonal countersunk hole, and the ratio of the depth of the polygonal countersunk hole 12 to the thickness of the pressure plate body 1 is 1:1.2-1.5.
[0021] In this embodiment, in order to form a symmetrical structure and ensure that the wrench can apply force evenly to drive the pressure plate to rotate during assembly and disassembly, the polygonal countersunk hole 12 is provided in two or four places.
[0022] Example 2: As Figure 2 As shown, this embodiment provides an angle grinder wrench, including a wrench body 2. A circular connector 21 is provided on one side of the wrench body 2, and a plurality of polygonal studs 22 are provided on the circular connector 21 corresponding to the polygonal countersunk hole 12.
[0023] In this embodiment, in order to form a multi-faceted contact structure between the pressure plate and the wrench, and to ensure that the pressure plate can be effectively rotated to lock the grinding wheel when the wrench is turned, so as to avoid slippage during the installation process; the polygonal stud 22 is a hexagonal stud, and there are two or four polygonal studs 22.
[0024] In this embodiment, to expand the wrench's applicability and enable multi-structure switching, it can be used to lock the aforementioned pressure plate, or switched to a regular wrench by replacing the polygonal stud 22 with a cylindrical pin to lock the regular pressure plate. The polygonal stud 22 is detachably mounted on the circular connector 21, and the upper side of the polygonal stud 22 is provided with a threaded connector. The circular connector 21 is provided with several threaded holes for threaded connection with each of the polygonal stud 22 threaded connectors.
[0025] In this embodiment, in order to directly lock and install the hexagonal nut 11, the other side of the wrench body 2 is provided with a hexagonal hole 23 for rotating the hexagonal nut 11.
[0026] The utility model discloses a polygonal hole 12 is set up on angle grinder pressure plate, and angle grinder wrench with polygonal stud 22 is matched, and the polygonal hole 12 and polygonal stud 22 form the multi -sided contact structure, compared with the traditional pressure plate nut and traditional angle grinder wrench circular contact surface structure, can more effectively prevent the operation process to slip, and the pressure plate nut deformation etc.
[0027] The above-mentioned is only the embodiment of the utility model, and does not limit the patent protection scope of the utility model, and any equivalent structure or equivalent process transformation using the utility model specification and the attached drawing contents, or direct or indirect application in other related technical fields, are all included in the patent protection scope of the utility model.
Claims
1. An angle grinder platen characterized by: The invention discloses a wrench and a wrench head, which comprise a circular wrench body with an inner threaded hole in the center, and a plurality of polygonal recesses on the upper side of the wrench body to form a multi-surface contact structure between the wrench and the wrench head to effectively prevent slipping during assembly and disassembly, and the distance from the polygonal recesses to the center of the nut body is equal.
2. The angle grinder pressure plate of claim 1, wherein: The polygonal recesses are hexagonal recesses, and the ratio of the depth of the polygonal recesses to the thickness of the wrench body is 1:1.2-1.
5.
3. The angle grinder plate of claim 1, wherein: The polygonal recesses are two or four.
4. A grinder wrench for locking the grinder pressure plate of any one of claims 1-3, characterized in that: The invention discloses a wrench and a wrench head, which comprise a wrench body with a circular joint on one side, and a plurality of polygonal studs on the circular joint corresponding to the polygonal recesses.
5. The angle grinder handle of claim 4, wherein: The polygonal studs are hexagonal studs, and the polygonal studs are two or four.
6. The angle grinder of claim 4, wherein: The polygonal studs are detachably installed on the circular joint, the upper side of the polygonal studs is provided with a threaded joint, and the circular joint is provided with a plurality of threaded holes for one-to-one threaded connection with the threaded joints of the polygonal studs.
7. The angle grinder handle of claim 4, wherein: The other side of the wrench body is provided with a hexagonal hole for rotating a hexagonal nut.