Explosion-proof mining starter
By introducing a locking structure and an inverted T-shaped rod design into the explosion-proof mining starter, the problem of cumbersome starter disassembly is solved, and a simple and quick locking and unlocking process is achieved, ensuring the safe operation and efficient operation of the equipment in explosive environments.
Patent Information
- Application Number
- CN202423239844.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-27
AI Technical Summary
Existing explosion-proof mining starters are cumbersome and time-consuming to disassemble the outer casing and door.
The locking structure includes the cooperation of the first locking block and the second locking block. The sliding column is connected in the arc groove, and the spring force is used to fix the limiting column. Combined with the design of the inverted T-shaped rod, it can achieve simple and quick locking and unlocking.
It achieves a secure locking of the door and housing, preventing accidental opening due to vibration or external force, ensuring the safe operation of circuit equipment in explosive environments, and improving operational efficiency.
Smart Images
Figure CN223693841U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of explosion-proof drive, in particular to an explosion-proof mine starter. BACKGROUND
[0002] The explosion-proof mine starter is mainly used for controlling the starting, stopping and forward and reverse operation of the motor, and can protect the motor from overload and open phase. It is suitable for dangerous places where explosive gas mixture or combustible dust exists, such as coal mine underground, oil extraction and storage places.
[0003] Since the inside of the starter needs to be repaired regularly, the shell and the shell door of the starter are usually rotationally connected, and the other side is fixed by bolts or the like. However, it takes too much time to disassemble. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiencies of the prior art, the purpose of the present application is to solve the problem of too much complexity in disassembling the shell and the shell door.
[0005] The above purpose of the present application is achieved by the following technical scheme: an explosion-proof mine starter, comprising a shell for placing circuit equipment and a shell door, one side of the shell is fixedly provided with a pair of connecting plates, a connecting shaft is rotationally arranged between the connecting plates, a connecting rod is rotationally arranged on one side of the shell door, the connecting rod and the connecting shaft are rotationally connected, and a locking structure for locking the shell door and the shell is arranged on the side of the shell door away from the connecting shaft.
[0006] Further, the locking structure comprises a first locking block fixedly connected to the shell door, a second locking block fixedly arranged on the shell, a first arc-shaped slot formed in the first locking block, a second arc-shaped slot formed in the second locking block, the first arc-shaped slot and the second arc-shaped slot being spliced into a ring-shaped slot, a connecting shaft rotationally connected to the first locking block arranged in the middle of the first arc-shaped slot, a locking rod fixedly arranged on the connecting shaft, and sliding columns fixedly arranged at both ends of the locking rod, the sliding columns being slidingly connected with the first arc-shaped slot and the second arc-shaped slot.
[0007] By adopting the above technical scheme, when locking, the locking rod on the first locking block is moved in the first arc-shaped slot and the second arc-shaped slot, and when the locking rod is horizontal to the ground, the first sliding slot and the second arc-shaped slot are pulled by the sliding column, so as to connect the first locking block and the second locking block.
[0008] Further, the sliding column is hollow, a spring is arranged in the sliding column, one end of the spring is fixedly connected to the side wall of the sliding column, a limiting column is fixedly arranged at the bottom of the spring, a plug hole is arranged on the second locking block and is arranged on the second arc-shaped groove, and the plug hole and the limiting column are matched.
[0009] By adopting the above technical scheme, when the sliding column slides into the plug hole in the first arc-shaped groove, the limiting column is pressed down into the plug hole due to the elastic force of the spring, so that the limiting column cannot rotate left and right, thereby fixing the shell door and the shell.
[0010] Further, a T-shaped slot is arranged at the upper end of the limiting column, a cylindrical slot is arranged at the bottom of the T-shaped slot, an unlocking assembly is arranged outside the limiting column, and the unlocking assembly comprises a reverse T-shaped rod.
[0011] By adopting the above technical scheme, when unlocking is needed, the reverse T-shaped rod is placed in the T-shaped slot, then is rotated in the cylindrical slot, and then is pulled to lift the limiting column upward, and then the locking rod is rotated to complete the unlocking.
[0012] Further, a ring is fixedly arranged at the upper end of the reverse T-shaped rod.
[0013] By adopting the above technical scheme, the ring provides a force point when the reverse T-shaped rod is pulled.
[0014] Further, a sealing layer is fixedly arranged on the side of the shell close to the shell door.
[0015] By adopting the above technical scheme, the sealing property of the shell and the shell door is improved.
[0016] Further, a sliding groove is arranged on the shell, and a sliding shell is slidably arranged on the sliding groove.
[0017] Further, a placing frame for placing the reverse T-shaped rod is fixedly arranged on one side of the sliding shell.
[0018] By adopting the above technical scheme, after the reverse T-shaped rod is used, the reverse T-shaped rod is placed in the placing frame, so that the possibility of losing the reverse T-shaped rod is reduced.
[0019] In summary, the present application has the following beneficial technical effects:
[0020] The shell door and the shell are firmly locked through the cooperation of the first locking block and the second locking block and the sliding connection of the sliding column in the first arc-shaped slot and the second arc-shaped slot. This locking method is not only simple and reliable, but also can effectively prevent the shell door from being accidentally opened due to vibration or external force, thereby ensuring the safe operation of the circuit device in the explosive environment such as a mine. The design of the locking rod makes the locking and unlocking process simple and fast. The operator only needs to rotate the locking rod to realize the locking or unlocking of the shell door and the shell, without the need of using additional tools or complex operation steps, greatly improving the work efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 is a schematic diagram of the overall structure in the embodiment;
[0022] Figure 2 is a schematic diagram of the locking structure in the embodiment;
[0023] Figure 3 is Figure 2 is a sectional view along the cutting line A-A in the embodiment;
[0024] Figure 4 is Figure 1 is another perspective view of the structure;
[0025] Figure 5 is a schematic diagram of the inverted T-shaped rod structure in the embodiment.
[0026] Reference signs: 1, shell; 10, connecting plate; 101, connecting rod; 11, second locking block; 12, second arc-shaped slot; 13, spring; 14, limiting column; 15, slot; 16, cylindrical slot; 2, shell door; 21, first locking block; 22, first arc-shaped slot; 23, connecting shaft; 24, locking rod; 25, sliding column; 26, plug-in hole; 3, sliding shell; 31, placing frame; 32, inverted T-shaped rod; 33, circular ring. DETAILED DESCRIPTION
[0027] The present application will be further described in detail below with reference to the accompanying drawings.
[0028] In the embodiment, reference is made to Figure 1 and Figure 2The utility model provides an anti -explosion mine starter, including the casing 1 for placing circuit equipment and the shell door 2, and one side of casing 1 is fixedly provided with a pair of connecting plate, and the connecting shaft is rotatably arranged between the connecting plate, and the connecting rod 101 is rotatably arranged on the one side of shell door 2, and the connecting rod 101 is rotatably connected with the connecting shaft, and the locking structure for locking shell door 2 and casing 1 is arranged on the side, away from the connecting shaft, of shell door 2.The locking structure includes the first locking block 21 fixedly connected on shell door 2, and the second locking block 11 is fixedly arranged on casing 1, and the first arc slot 22 is formed in the first locking block 21, and the second arc slot 12 is formed in the second locking block 11, and the first arc slot 22 and the second arc slot 12 are spliced into a ring slot, and the connecting shaft 23 is rotatably connected on the middle part of the first arc slot 22, and the locking rod 24 is fixedly arranged on the connecting shaft 23, and the sliding column 25 is fixedly arranged on both ends of locking rod 24, and the sliding column 25 is slidably connected with the first arc slot 22 and the second arc slot 12.
[0029] When locking, the locking rod 24 on the first locking block 21 makes the sliding column 25 move in the first arc slot 22 and the second arc slot 12, and when the locking rod 24 is horizontal to the ground, the first sliding slot and the second arc slot 12 are pulled by the sliding column 25, so that the first locking block 21 and the second locking block 11 are connected together.
[0030] In the embodiment, referring to Figure 3 and Figure 4 , the sliding column 25 is hollow, and the spring 13 is arranged in the sliding column 25, one end of the spring 13 is fixedly connected to the side wall of the sliding column 25, the bottom of the spring 13 is fixedly provided with the limiting column 14, the second arc slot 12 is provided with the insertion hole 26 formed in the second locking block 11, and the insertion hole is matched with the limiting column 14. When the sliding column 25 slides to the insertion hole 26 in the first arc slot 22, the limiting column 14 is pressed down into the insertion hole 26 due to the elastic force of the spring 13, so that the limiting column 14 cannot rotate left and right, thereby fixing the shell door 2 and the casing 1.
[0031] In the embodiment, referring to Figure 5 , the limiting column 14 is provided with the T-shaped slot 15 at the upper end, the bottom of the T-shaped slot 15 is provided with the cylindrical slot 16 formed in the limiting column 14, the outer side of the limiting column 14 is provided with an unlocking assembly, and the unlocking assembly includes a T-shaped rod 32. When unlocking is needed, the T-shaped rod 32 is placed into the T-shaped slot 15, then is rotated in the cylindrical slot 16, then pulls the T-shaped rod 32 to lift the limiting column 14 upward, and then rotates the locking rod 24 to complete the unlocking.
[0032] In the embodiment, the T-shaped rod 32 is fixedly provided with the ring 33 at the upper end. The ring 33 improves the force point.
[0033] In this embodiment, the shell 1 is fixedly provided with a sealing layer on the side close to the shell door 2. The sealing property of the shell 1 and the shell door 2 is improved.
[0034] In this embodiment, a sliding groove is formed in the shell 1, and a sliding shell 3 is slidably arranged in the sliding groove. A placing frame 31 for placing the inverted T-shaped rod 32 is fixedly arranged on one side of the sliding shell 3. After the inverted T-shaped rod 32 is used, the inverted T-shaped rod 32 can be placed in the placing frame 31, so that the possibility of losing the inverted T-shaped rod 32 is reduced.
[0035] Specific use process: one side of the shell door 2 is rotatably connected to the connecting shaft on the shell 1 through the connecting rod 101, so that the shell door 2 can be smoothly opened and closed. After the shell door 2 is closed, the first locking block 21 on the shell door 2 and the second locking block 11 on the shell 1 are found, the locking rod 24 (with the sliding column 25) on the first locking block 21 is slid along the first arc-shaped groove 22 and the second arc-shaped groove 12 until the locking rod 24 is horizontal to the ground, at this time, the sliding column 25 will be kept in the first arc-shaped groove 22 and the second arc-shaped groove 12, forming a preliminary locking of the shell door 2 and the shell 1. Continue to slide the locking rod 24 until the spring 13 in the sliding column 25 pushes the limiting column 14 into the insertion hole 26 on the first arc-shaped groove 22, after the limiting column 14 enters the insertion hole 26, due to the elastic force of the spring 13, the limiting column 14 is firmly fixed in the insertion hole 26, thereby locking the shell door 2 and the shell 1.
[0036] When it is needed to open the shell door 2, first, the inverted T-shaped rod 32 placed in the placing frame 31 of the sliding shell 3 is found, one end of the inverted T-shaped rod 32 is inserted into the slot 15 on the limiting column 14, and the inverted T-shaped rod 32 is rotated to make it enter the cylindrical groove 16, then the inverted T-shaped rod 32 is pulled upward to make the limiting column 14 pop out of the insertion hole 26. At this time, the locking rod 24 can be rotated to make the sliding column 25 slide along the first arc-shaped groove 22 and the second arc-shaped groove 12 until the shell door 2 can be opened. After the inverted T-shaped rod 32 is used, it is placed back in the placing frame 31 of the sliding shell 3 to avoid loss, the sliding shell 3 is slidably arranged in the sliding groove on the shell 1, so that it can be conveniently opened or closed to access or store the inverted T-shaped rod 32.
[0037] The embodiments of the specific implementation are the preferred embodiments of the application, and are not intended to limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. An explosion-proof mine starter, characterized in that, The utility model provides a circuit equipment shell and shell door, the shell (1) one side fixedly arranged with a pair of connecting plate (10), the connecting plate (10) between rotatably arranged with connecting shaft, the shell door (2) one side rotatably arranged with connecting rod (101), the connecting rod (101) and connecting shaft rotatable connection, the shell door (2) away from the one side of connecting shaft is provided with the locking structure for locking shell door (2) and shell (1).
2. The flameproof mine starter of claim 1 wherein, The locking structure includes a first locking block (21) fixedly connected to the shell door (2), a second locking block (11) fixedly provided on the shell (1), a first arc-shaped slot (22) formed in the first locking block (21), and a second arc-shaped slot (12) formed in the second locking block (11), the first arc-shaped slot (22) and the second arc-shaped slot (12) being spliced into an annular slot, a connecting shaft (23) rotatably connected to the first locking block (21) being provided in the middle of the first arc-shaped slot (22), a locking rod (24) fixedly provided on the connecting shaft (23), and sliding columns (25) fixedly provided at both ends of the locking rod (24), the sliding columns (25) being slidably connected to the first arc-shaped slot (22) and the second arc-shaped slot (12).
3. The flameproof mine starter of claim 2 wherein, The sliding columns (25) are hollow, springs (13) are provided inside the sliding columns (25), one end of the springs (13) is fixedly connected to the side wall of the sliding columns (25), a limiting column (14) is fixedly provided at the bottom of the springs (13), an insertion hole (26) is provided in the second locking block (11) and is formed in the second arc-shaped slot (12), and the insertion hole (26) is matched with the limiting column (14).
4. The flameproof mine starter of claim 3 wherein, A T-shaped slot (15) is provided at the upper end of the limiting column (14), a cylindrical slot (16) is provided at the bottom of the T-shaped slot (15), an unlocking assembly is provided on the outer side of the limiting column (14), and the unlocking assembly includes a T-shaped rod (32).
5. The flameproof mine starter of claim 4 wherein, A circular ring (33) is fixedly provided at the upper end of the T-shaped rod (32).
6. The flameproof mine starter of claim 1 wherein, A sealing layer is fixedly provided on the side of the shell (1) close to the shell door (2).
7. The flameproof mine starter of claim 6 wherein, A sliding groove is formed in the shell (1), and a sliding shell (3) is slidably arranged in the sliding groove.
8. The flameproof mine starter of claim 7 wherein, A placement frame (31) for placing the T-shaped rod (32) is fixedly provided on one side of the sliding shell (3).