Grounding device of motor
By designing the grounding stake body, movable sleeve, and limiting block in coordination, the problem of motor grounding stake tilting was solved, and the stable insertion of the grounding stake and the ground gripping ability were improved.
Patent Information
- Application Number
- CN202423186799.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Existing motor grounding stakes are prone to tilting during installation, affecting grip and stability, and causing them to loosen.
A grounding device was designed, comprising a grounding stake body, a movable sleeve, and a limiting block. The movable sleeve and the limiting block work together to ensure that the grounding stake is inserted vertically, and the threaded rod and the tapered rod work together to improve the gripping ability.
It effectively prevents the grounding stake from tilting during hammering, ensuring the stability of insertion and gripping force, and improving the reliability and lifespan of the device.
Smart Images

Figure CN223651665U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor grounding technical field especially relates to a grounding device of motor. BACKGROUND
[0002] In the process of building in the construction site, the staff needs to use the cutting machine to cut various components, and the cutting machine needs to be provided with power support when using the motor, and in order to ensure the safety of the motor when using, the motor on the cutting machine needs to be connected to the ground, in order to ensure the safe use of the motor, the grounding pile is inserted into the ground, and then the grounding pile is connected with the motor through the grounding wire, so that the current generated by the motor leakage is guided to the ground, that is, the grounding pile is one of the indispensable tools in the process of motor grounding.
[0003] At present, when the motor needs to be grounded, the staff will hold the grounding pile with one hand, and then use the other hand to hammer, in the case of multiple hammering, due to the simple structure of the grounding pile, it is easy to cause the grounding pile to tilt in the process of insertion, that is, it will affect the ground holding force of the grounding pile, and cause it to loosen after a period of use, therefore, we propose a grounding device of motor to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the shortcomings in the prior art and provides a grounding device of motor.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A grounding device of motor, including the grounding pile body, the bottom end of the grounding pile body is connected with the drill bit, the outer side of the grounding pile body is provided with the movable sleeve, and the inner wall of the movable sleeve is connected with the sliding block, the outer wall of the grounding pile body is provided with the sliding groove matched with the sliding block, and the outer side of the movable sleeve is symmetrically provided with the limiting block.
[0007] In the device, the movable sleeve and the limiting block are provided, in the use process, the movable sleeve and the limiting block cooperate with each other, which can effectively ensure the vertical insertion of the grounding pile body, thereby effectively preventing the grounding pile body from tilting in the process of hammering, and effectively ensuring the stability of the grounding pile body in the process of insertion.
[0008] Preferably, the limiting block is symmetrically glued with rubber plates on the front and back surfaces, and the longitudinal section of the rubber plate is provided with an L-shaped structure.
[0009] Preferably, the limiting block is internally clamped with a guide block, and the bottom end of the guide block is uniformly provided with a tapered rod.
[0010] Preferably, the inside of the limiting block is provided with a threaded groove, and a threaded rod is inserted into the threaded groove, the bottom end of the threaded rod is connected with a bearing and a guide block, and the top end of the threaded rod is provided with a rotating block.
[0011] Preferably, the inner wall of the sliding groove is provided with a supporting rod, and the inside of the sliding block is provided with a groove hole matched with the supporting rod.
[0012] Preferably, the top end of the supporting rod extends to the outside of the grounding pile body and is connected with a threaded sleeve, and the upper side of the threaded sleeve is provided with a hammering block.
[0013] Preferably, the bottom end of the hammering block is connected with a connecting sleeve, and the inner wall of the connecting sleeve is provided with an internal thread matched with the threaded sleeve.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1、The device is provided with a movable sleeve and a limiting block, and in the use process, the movable sleeve and the limiting block are matched with each other, so that the vertical insertion of the grounding pile body can be effectively ensured, and the stability of the grounding pile body in the insertion process can be effectively ensured.
[0016] 2、The device is provided with a threaded rod and a tapered rod, and in the use process, the guide block and the tapered rod are matched with each other, so that the limiting block can be effectively supported, and the gripping capacity of the device can be further improved, so that the grounding pile body can be effectively prevented from being easily moved by external force, and the reliability of the device in use can be ensured. ACCURACY
[0017] Figure 1 It is a three-dimensional structure schematic view of a grounding device of a motor;
[0018] Figure 2 It is Figure 1 a three-dimensional sectional view schematic view of the movable sleeve and the sliding block structure in the device;
[0019] Figure 3 It is Figure 1 a three-dimensional sectional view schematic view of the supporting rod and the threaded sleeve structure in the device;
[0020] Figure 4 It is Figure 1 a three-dimensional sectional view schematic view of the threaded rod and the guide block structure in the device.
[0021] In the drawing: 1, grounding pile body; 2, drill bit; 3, movable sleeve; 4, sliding block; 5, sliding groove; 6, supporting rod; 7, threaded sleeve; 8, connecting sleeve; 9, hammering block; 10, limiting block; 11, rubber plate; 12, threaded rod; 13, guide block; 14, tapered rod; 15, rotating block. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0023] Referring to Figures 1-4 The grounding device of the motor comprises a grounding pile body 1, a drill bit 2 connected to the bottom end of the grounding pile body 1, a movable sleeve 3 sleeved outside the grounding pile body 1, and symmetrically connected sliding blocks 4 on the inner wall of the movable sleeve 3. The outer wall of the grounding pile body 1 is provided with sliding grooves 5 matched with the sliding blocks 4, and the outer side of the movable sleeve 3 is symmetrically provided with limiting blocks 10. The limiting blocks 10 are arranged in a rectangular structure, so that the staff can step on them without being injured by friction during the process of manually holding the grounding pile body 1.
[0024] Further, referring to Figure 1 It can be known that the limiting blocks 10 are symmetrically glued with rubber plates 11 on the front and back surfaces, and the longitudinal section of the rubber plate 11 is arranged in an L-shaped structure. The rubber plate 11 arranged in the L-shaped structure can protect the side edges of the limiting blocks 10 to prevent the side edges of the limiting blocks 10 from being easily worn out, thereby effectively ensuring the service life of the limiting blocks 10.
[0025] Further, referring to Figure 2 and Figure 4 It can be known that the limiting blocks 10 are symmetrically glued with rubber plates 11 on the front and back surfaces, and the longitudinal section of the rubber plate 11 is arranged in an L-shaped structure. The rubber plate 11 arranged in the L-shaped structure can protect the side edges of the limiting blocks 10 to prevent the side edges of the limiting blocks 10 from being easily worn out, thereby effectively ensuring the service life of the limiting blocks 10.
[0026] Further, referring to Figure 4 It can be known that the limiting blocks 10 are symmetrically glued with rubber plates 11 on the front and back surfaces, and the longitudinal section of the rubber plate 11 is arranged in an L-shaped structure. The rubber plate 11 arranged in the L-shaped structure can protect the side edges of the limiting blocks 10 to prevent the side edges of the limiting blocks 10 from being easily worn out, thereby effectively ensuring the service life of the limiting blocks 10.
[0027] Further, referring to Figure 3It can be known that the inner wall of the sliding groove 5 is provided with the supporting rod 6, and the inner part of the sliding block 4 is provided with a groove hole matched with the supporting rod 6.
[0028] Further, referring to Figure 3 It can be known that the top end of the supporting rod 6 is connected with the threaded sleeve 7 outside the grounding pile body 1, and the upper side of the threaded sleeve 7 is provided with the hammering block 9, and through the arrangement of the hammering block 9, the top end of the grounding pile body 1 can be prevented from being directly hammered by the worker, so as to realize the protection of the top end of the grounding pile body 1.
[0029] Further, referring to Figure 3 It can be known that the bottom end of the hammering block 9 is connected with the connecting sleeve 8, and the inner wall of the connecting sleeve 8 is provided with an internal thread matched with the threaded sleeve 7, and in use, the damaged hammering block 9 can be conveniently replaced by the worker through the threaded cooperation of the threaded sleeve 7 and the connecting sleeve 8, so as to prevent the worker from discarding the whole device, thereby effectively improving the environmental protection of the device in use.
[0030] Working principle: in use, the worker can first place the grounding pile body 1 in the installation area, and then manually push the hammering block 9, so that the drill bit 2 is inserted into the soil, and the limiting block 10 is in contact with the ground, at this time, the worker can rotate the two groups of rotating blocks 15, so that the threaded rod 12 is continuously rotated, so that the guide block 13 slides in the limiting block 10, so that the plurality of tapered rods 14 can be inserted into the soil, so as to realize the preliminary fixation of the position of the limiting block 10, and then the worker can step on the limiting block 10, and then use the hammer to knock the hammering block 9, so that the grounding pile body 1 is stressed to slide in the movable sleeve 3, and is inserted into the soil, in the process of moving down the grounding pile body 1, the sliding block 4 connected to the inner wall of the movable sleeve 3 can slide along the outer wall of the sliding groove 5, so as to realize the guidance of the movable sleeve 3, that is, the vertical insertion of the grounding pile body 1 can be effectively guaranteed, and the above is the whole working principle of the utility model.
[0031] In the utility model, the installation mode, connection mode or setting mode of all the components described above are common mechanical modes, and the specific structure, model and coefficient index of all the components are self-contained technologies, as long as the beneficial effects can be achieved, implementation can be carried out, therefore, no more description is made.
[0032] The above embodiment is a preferred embodiment of the present application, but the embodiment of the present application is not limited by the above embodiment, and any change, modification, replacement, combination, simplification made without departing from the spirit and principle of the present application should be an equivalent replacement mode, which is included in the protection scope of the present application.
[0033] In the present application, under the condition of no opposite description, the orientation words contained in the terms such as "up, down, left, right, front, back, inside, outside and vertical and horizontal" only represent the orientation of the terms in the conventional use state, or the common name understood by the person skilled in the art, and should not be regarded as the limitation of the terms, at the same time, the serial nouns such as "first", "second" and "third" do not represent the specific quantity and order, but are only used for the differentiation of the name, and the terms "include", "contain" or any other variant thereof is intended to cover the non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes the elements inherent in such process, method, article or equipment.
Claims
1. An earthing device for an electric machine comprising an earthing stake body (1), characterized in that, The bottom end of the grounding pile body (1) is connected with a drill bit (2), the outer side of the grounding pile body (1) is sleeved with a movable sleeve (3), the inner wall of the movable sleeve (3) is symmetrically connected with a sliding block (4), the outer wall of the grounding pile body (1) is provided with a sliding groove (5) matched with the sliding block (4), and the outer side of the movable sleeve (3) is symmetrically distributed with a limiting block (10).
2. A grounding device for an electric machine according to claim 1, characterized in that The opposite surfaces of the limiting block (10) are symmetrically glued with rubber plates (11), and the longitudinal section of the rubber plate (11) is provided as an L-shaped structure.
3. A grounding device for an electric machine according to claim 1, characterized in that The inside of the limiting block (10) is clamped with a guide block (13), and the bottom end of the guide block (13) is uniformly distributed with a tapered rod (14).
4. A grounding device for an electric machine according to claim 1, characterized in that The inside of the limiting block (10) is provided with a threaded groove, and the inside of the threaded groove is inserted with a threaded rod (12), the bottom end of the threaded rod (12) is connected with the guide block (13) through a bearing, and the top end of the threaded rod (12) is sleeved with a rotating block (15).
5. A grounding device for an electric machine according to claim 1, characterized in that, The inner wall of the sliding groove (5) is inserted with a supporting rod (6), and the inside of the sliding block (4) is provided with a hole matched with the supporting rod (6).
6. A grounding device for an electric machine according to claim 5, characterized in that The top end of the supporting rod (6) extending to the outside of the grounding pile body (1) is connected with a threaded sleeve (7), and the upper side of the threaded sleeve (7) is provided with a hammering block (9).
7. A grounding device for an electric machine according to claim 6, characterized in that The bottom end of the hammering block (9) is connected with a connecting sleeve (8), and the inner wall of the connecting sleeve (8) is provided with an internal thread matched with the threaded sleeve (7).