Manual door lock applied to rock drilling trolley

Abstract

The utility model relates to a manual door lock applied to a rock drilling trolley, which comprises a fixing frame, a door plate assembly, a door closing locking mechanism and a door opening locking mechanism, the fixing frame is rotatably connected with the door plate assembly, and the door closing locking mechanism is used for locking the door plate assembly in a door closing state; the door opening locking mechanism comprises a second bolt assembly and a second bolt hole which are matched with each other, one of the fixing frame and the door plate assembly is provided with the second bolt assembly, the other one is provided with the second bolt hole, the second bolt assembly comprises an inserting rod, and in the door opening locking state, the inserting rod is inserted into the second bolt hole and abuts against the hole wall of the second bolt hole. The manual door lock applied to the rock drilling trolley has the advantages that the door plate assembly after door opening can be locked through matching of the inserting rod and the second plug pin hole, free rotation of the door plate assembly is prevented, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rock drilling trolleys, in particular to a manual door lock used on a rock drilling trolley. Background Art

[0002] In the prior art, for example, Chinese utility model patent CN207513410U discloses a door lock and a rock drilling trolley, comprising a vertical plate and a snap ring arranged outside the vertical plate, the vertical plate and the snap ring are respectively mounted on an external door frame and a movable door, a movable rod is movably mounted on the outer surface of the vertical plate, the movable rod can swing up and down along the outer surface of the vertical plate, a hook body is arranged at the tail end of the movable rod, the hook body can be hooked on or detached from the snap ring as the movable rod moves up and down. However, this door lock can only lock and close the door, and after the door panel is opened, the door panel can move freely, which poses a safety hazard. Utility Model Content

[0003] An object of the present application is to provide a manual door lock for use on a rock drilling rig, which can lock the movement of a door panel after the door is opened.

[0004] The technical solution adopted in the present application is: a manual door lock used on a rock drilling trolley, including a fixed frame, a door panel assembly, a door closing locking mechanism and a door opening locking mechanism. The fixed frame and the door panel assembly are rotatably connected, and the door closing locking mechanism is used to lock the door panel assembly in the closed state; the door opening locking mechanism includes a second latch assembly and a second latch hole that cooperate with each other. One of the fixed frame or the door panel assembly is provided with the second latch assembly, and the other is provided with the second latch hole. The second latch assembly includes an insertion rod. In the door opening locking state, the insertion rod is inserted into the second latch hole and abuts against the hole wall of the second latch hole.

[0005] Compared with the prior art, the advantage of the present application is that the door panel assembly after the door is opened can be locked by cooperating with the insertion rod and the second latch hole, thereby preventing the door panel assembly from rotating freely and improving safety.

[0006] In some embodiments of the present application, the door closing and locking mechanism includes a first latch member and a first latch hole that cooperate with each other. The first latch member is provided in one of the fixed frame or the door panel assembly, and the first latch hole is provided in the other. In the door closing and locking state, the first latch member is inserted into the first latch hole and abuts against the hole wall of the first latch hole.

[0007] Furthermore, the first latch member is arranged on the fixing frame, and the first latch hole is arranged on the door panel assembly; the first latch member includes a horizontal bar and a vertical bar from top to bottom, the top of the vertical bar is connected to the horizontal bar, and the first latch member is T-shaped as a whole.

[0008] Furthermore, the fixing frame is provided with an upper plate and a lower plate, the upper plate is provided with a first through hole, the lower plate is provided with a second through hole, the first through hole and the second through hole are arranged concentrically, and a vertical rod is passed through the first through hole and the second through hole; a first return spring is provided between the upper plate and the lower plate, the first return spring is sleeved on the vertical rod, a first stopper is sleeved on the vertical rod, the first stopper is connected to the vertical rod, and the upper and lower ends of the first return spring are respectively abutted against the upper plate and the first stopper.

[0009] Furthermore, the door panel assembly is provided with a first inclined surface, and the first latch hole is arranged on the first inclined surface. When the door is closed, the vertical rod is coaxial with the first latch hole; the bottom of the vertical rod is higher than the lowest point of the first inclined surface, and the bottom of the vertical rod is arranged on the rotation path of the first inclined surface; the high side of the first inclined surface is provided with a limit plate protruding upward, and when the door is closed and locked, the lower plate abuts against the limit plate.

[0010] In some embodiments of the present application, the second latch assembly is arranged on a fixed frame, and the second latch hole is arranged on a door panel assembly; a guide sleeve is provided on the fixed frame, the guide sleeve is connected to the fixed frame, and the insertion rod is passed through the guide sleeve; a second return spring is provided in the guide sleeve, and the second return spring is sleeved on the insertion rod, a baffle protruding toward the center is provided on the upper part of the guide sleeve, a second stopper is sleeved on the insertion rod, and the second stopper is connected to the insertion rod, and the upper and lower ends of the second return spring are respectively abutted against the baffle and the second stopper.

[0011] Furthermore, the second latch assembly also includes a lifting ring, which is connected to the top of the insertion rod; the bottom diameter of the lifting ring is larger than the top diameter of the insertion rod, and when the door is opened and locked, the bottom of the lifting ring abuts against the top of the baffle; the second latch assembly also includes a pull rope and a pull ring, the two ends of the pull rope are respectively connected to the pull ring and the lifting ring, a wire tube is provided on the fixing frame, and the pull rope is passed through the wire tube; a guide member is provided above the lifting ring, the guide member is connected and fixed to the fixing frame, and the pull rope is passed through the guide member.

[0012] Furthermore, the fixing frame is provided with a door opening locking plate, and the second pin hole is arranged on the door opening locking plate; the door opening locking plate is provided with an outwardly extending inclined plate, the inclined plate is inclined downward, the bottom of the insertion rod is arranged on the rotation path of the inclined plate, and the bottom of the insertion rod is higher than the lowest point of the inclined plate.

[0013] In some embodiments of the present application, a rotating shaft sleeve is provided on the fixing frame, a rotating shaft is provided on the door panel assembly, and the rotating shaft sleeve is sleeved on the rotating shaft; an extension plate is provided between the rotating shaft sleeve and the fixing frame.

[0014] In some embodiments of the present application, the door panel assembly includes a bottom panel and a side panel, and the side edge of the bottom panel is connected to the bottom edge of the side panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of Embodiment 1 of the present utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the door opening state of the first embodiment of the utility model;

[0017] Figure 3 It is a top view of the door opening state of the embodiment 1 of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the closed door state of Embodiment 1 of the present utility model;

[0019] Figure 5 It is a top view of the closed door state of the embodiment 1 of the utility model;

[0020] Figure 6 This is a schematic structural diagram of Embodiment 1 of the present invention without the door panel assembly;

[0021] Figure 7 yes Figure 6 Cross-sectional view in the AA direction.

[0022] In the figure: 1. fixing frame; 2. door panel assembly; 3. door closing locking mechanism; 4. first latch member; 5. first latch hole; 6. horizontal rod; 7. vertical rod; 8. upper plate; 9. lower plate; 10. first through hole; 11. second through hole; 12. first return spring; 13. first stop member; 14. first inclined plane; 15. limit plate; 16. door opening locking mechanism; 17. second latch member; 18. second latch hole; 19. plug rod; 20. guide sleeve; 21. second return spring; 22. stopper; 23. second stop member; 24. lifting ring; 25. pull rope; 26. pull ring; 27. wire tube; 28. guide member; 29. ​​door opening locking plate; 30. inclined plate; 31. shaft sleeve; 32. extension plate; 33. bottom plate; 34. side plate; 35. door closing locking bracket. DETAILED DESCRIPTION

[0023] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0024] Embodiment 1:

[0025] This embodiment provides a manual door lock for use on a rock drilling rig, such as Figure 1-Figure 5As shown, it includes a fixing frame 1, a door panel assembly 2, a door closing locking mechanism 3 and a door opening locking mechanism 16. The fixing frame 1 and the door panel assembly 2 are rotatably connected. The door closing locking mechanism 3 is used to lock the door panel assembly 2 in the closed state; the door opening locking mechanism 16 includes a second latch assembly 17 and a second latch hole 18 that cooperate with each other. One of the fixing frame 1 or the door panel assembly 2 is provided with the second latch assembly 17, and the other is provided with the second latch hole 18. The second latch assembly 17 includes a plug rod 19. In the open door locking state, the plug rod 19 is inserted into the second latch hole 18 and abuts against the hole wall of the second latch hole 18. The fixing frame 1 is used to be connected and fixed to the drilling trolley body. The door panel assembly 2 can be rotated relative to the fixing frame 1 to open and close the door. After opening the door, the plug rod 19 is inserted into the second latch hole 18 to fix the door panel assembly 2, preventing the door panel assembly 2 from rotating and accidentally closing the door, which is safer. To unlock, you only need to pull up the plug rod 19.

[0026] In order to ensure reliable door locking, the door locking mechanism 3 includes a first latch member 4 and a first latch hole 5 that cooperate with each other. One of the fixing frame 1 and the door panel assembly 2 is provided with the first latch member 4, and the other is provided with the first latch hole 5. In the door locking state, the first latch member 4 is inserted into the first latch hole 5 and abuts against the hole wall of the first latch hole 5. After closing the door, the first latch member 4 is inserted into the first latch hole 5 to complete the fixing of the door panel assembly 2 and achieve door locking. To unlock the door, it is only necessary to pull up the first latch member 4, which is simple and convenient to use.

[0027] In order to facilitate the use of the first latch member 4, the first latch member 4 is arranged on the fixing frame 1, the first latch hole 5 is arranged on the door panel assembly 2, the first latch member 4 includes a cross bar 6 and a vertical bar 7 from top to bottom, the top of the vertical bar 7 is connected to the cross bar 6, and the first latch member 4 is in a T-shape as a whole. The T-shaped design makes it convenient for workers to grab and use the first latch member 4, and it is more reliable in use.

[0028] In order to make the movement of the vertical rod 7 more reliable, the fixing frame 1 is provided with an upper plate 8 and a lower plate 9, the upper plate 8 is provided with a first through hole 10, the lower plate 9 is provided with a second through hole 11, the first through hole 10 and the second through hole 11 are arranged concentrically, and the vertical rod 7 is penetrated through the first through hole 10 and the second through hole 11. The design of the first through hole 10 and the second through hole 11 can guide the vertical rod 7, and the cross bar 6 will be stuck in the first through hole 10, which can prevent the first latch member 4 from falling.

[0029] In order to facilitate the first latch member 4 to reset, Figure 6As shown, a first return spring 12 is provided between the upper plate 8 and the lower plate 9, and the first return spring 12 is sleeved on the vertical rod 7, and a first stopper 13 is sleeved on the vertical rod 7, and the first stopper 13 is connected to the vertical rod 7, and the upper and lower ends of the first return spring 12 are respectively in contact with the upper plate 8 and the first stopper 13. The design of the first return spring 12 enables the first latch member 4 to be reset under the action of the first return spring 12 after being pulled up to unlock, so as to facilitate the next door closing and locking.

[0030] In order to facilitate the closing and locking of the door, the door panel assembly 2 is provided with a first inclined surface 14, and the first latch hole 5 is arranged on the first inclined surface 14. In the closed state, the vertical rod 7 is coaxial with the first latch hole 5; the bottom of the vertical rod 7 is higher than the lowest point of the first inclined surface 14, and the bottom of the vertical rod 7 is arranged on the rotation path of the first inclined surface 14; the high side of the first inclined surface 14 is provided with an upwardly protruding limit plate 15, and in the closed and locked state, the lower plate 9 abuts against the limit plate 15. The design of the first inclined surface 14 makes it unnecessary to pull up the first latch member 4 during the closing process. The first inclined surface 14 abuts against the bottom of the vertical rod 7 and lifts the vertical rod 7, so that the vertical rod 7 moves on the first inclined surface 14 and enters the first latch hole 5, which facilitates the operation of closing and locking the door; the design of the limit plate 15 can play a role in preventing the door panel assembly 2 from continuing to rotate, so that the vertical rod 7 is convenient for accurately inserting the first latch hole 5.

[0031] In this embodiment, a door closing locking bracket 35 is provided on the bottom plate 33 , and the first inclined surface 14 is arranged on the door closing locking bracket 35 , so as to facilitate the processing and arrangement of the first inclined surface 14 .

[0032] In order to facilitate the use of the insertion rod 19, the second latch assembly 17 is arranged on the fixing frame 1, and the second latch hole 18 is arranged on the door panel assembly 2; the fixing frame 1 is provided with a guide sleeve 20, the guide sleeve 20 is connected to the fixing frame 1, and the insertion rod 19 is passed through the guide sleeve 20. The design of the guide sleeve 20 can guide the movement of the insertion rod 19, thereby ensuring the reliable movement of the insertion rod 19.

[0033] In order to reset the plunger 19, Figure 7 As shown, a second return spring 21 is provided in the guide sleeve 20, and the second return spring 21 is sleeved on the plug rod 19. A baffle plate 22 protruding toward the center is provided on the upper part of the guide sleeve 20, and a second stopper 23 is sleeved on the plug rod 19, and the second stopper 23 is connected to the plug rod 19. The upper and lower ends of the second return spring 21 are respectively in contact with the baffle plate 22 and the second stopper 23. The design of the second return spring 21 enables the plug rod 19 to be reset under the action of the second return spring 21 after being pulled up to unlock, so as to facilitate the next door opening and locking.

[0034] In order to facilitate the use of the insertion rod 19, the second latch assembly 17 further includes a lifting ring 24, which is connected to the top of the insertion rod 19. The design of the lifting ring 24 facilitates the pulling of the insertion rod 19.

[0035] In order to prevent the insertion rod 19 from falling, the bottom diameter of the lifting ring 24 is larger than the top diameter of the insertion rod 19. When the door is opened and locked, the bottom of the lifting ring 24 abuts against the top of the baffle 22. The bottom of the lifting ring 24 can abut against the top of the baffle 22, so that the baffle 22 can play a blocking role and prevent the insertion rod 19 from falling.

[0036] In order to facilitate the use of the insertion rod 19, the second latch assembly 17 also includes a pull rope 25 and a pull ring 26. The two ends of the pull rope 25 are connected to the pull ring 26 and the lifting ring 24 respectively. A wire tube 27 is provided on the fixing frame 1. The wire tube 27 is fixedly connected to the fixing frame 1, and the pull rope 25 is passed through the wire tube 27; a guide member 28 is provided above the lifting ring 24, and the guide member 28 is connected and fixed to the fixing frame 1, and the pull rope 25 is passed through the guide member 28. In this embodiment, the guide member 28 adopts a wire tie rod. The design of the pull rope 25 is convenient for pulling up the insertion rod 19 from a distance; the design of the pull ring 26 makes it easier to pull the pull rope 25; the wire tube 27 guides the pull rope 25; the guide member 28 is arranged above the lifting ring 24, so that the pull rope 25 passes from the top of the lifting ring 24, which is convenient for pulling the insertion rod 19.

[0037] In order to facilitate the door opening and locking, the fixing frame 1 is provided with a door opening and locking plate 29, and the second latch hole 18 is provided on the door opening and locking plate 29; the door opening and locking plate 29 is provided with an outwardly extending inclined plate 30, the inclined plate 30 is inclined downward, the bottom of the plug rod 19 is provided on the rotation path of the inclined plate 30, and the bottom of the plug rod 19 is higher than the lowest point of the inclined plate 30. The design of the inclined plate 30 makes it unnecessary to pull up the plug rod 19 during the door opening process. The inclined surface of the inclined plate 30 abuts against the bottom of the plug rod 19 and lifts the plug rod 19, so that the plug rod 19 moves on the inclined plate 30 and enters the door opening and locking plate 29, so that it is easy to enter the second latch hole 18, and the door opening and locking operation is convenient.

[0038] In order to ensure reliable rotation of the fixing frame 1 and the door panel assembly 2, a rotating shaft sleeve 31 is provided on the fixing frame 1, and a rotating shaft is provided on the door panel assembly 2, and the rotating shaft sleeve 31 is sleeved on the rotating shaft; an extension plate 32 is provided between the rotating shaft sleeve 31 and the fixing frame 1, and the design of the extension plate 32 increases the distance between the fixing frame 1 and the rotating shaft sleeve 31, so as to facilitate the rotation of the door panel assembly 2. The guide sleeve 20 is fixedly connected to the rotating shaft sleeve 31.

[0039] In order to ensure the reliability of the door panel assembly 2, the door panel assembly 2 includes a bottom plate 33 and a side plate 34, and the side edge of the bottom plate 33 is connected to the bottom edge of the side plate 34. The door closing locking bracket 35 and the rotating shaft are arranged on the bottom plate 33, and the door opening locking plate 29 is arranged on the side plate 34.

[0040] When the door is in the closed and locked state, the door can be unlocked by pulling up the cross bar 6, and the door panel assembly 2 can be rotated to open the door. After the door panel assembly 2 is opened to the maximum range, the insertion rod 19 will be inserted into the second latch hole 18 to realize the door opening and locking. In the open and locked state, the door can be unlocked by pulling the pull ring 26, and the door panel assembly 2 can be rotated to close the door. After the door panel assembly 2 is closed in place, the vertical rod 7 will be inserted into the first latch hole 5 to realize the door closing and locking.

[0041] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A manual door lock used on a rock drilling rig, characterized in that: The invention comprises a fixing frame (1), a door panel assembly (2), a door closing locking mechanism (3) and a door opening locking mechanism (16); the fixing frame (1) and the door panel assembly (2) are rotatably connected; the door closing locking mechanism (3) is used to lock the door panel assembly (2) in a door closing state; the door opening locking mechanism (16) comprises a second latch assembly (17) and a second latch hole (18) which cooperate with each other; one of the fixing frame (1) and the door panel assembly (2) is provided with the second latch assembly (17), and the other is provided with the second latch hole (18); the second latch assembly (17) comprises an insertion rod (19); in the door opening locking state, the insertion rod (19) is inserted into the second latch hole (18) and abuts against the hole wall of the second latch hole (18).

2. A manual door lock for a rock drilling trolley according to claim 1, characterized in that: The door closing locking mechanism (3) comprises a first latch member (4) and a first latch hole (5) which cooperate with each other. One of the fixing frame (1) or the door panel assembly (2) is provided with the first latch member (4), and the other is provided with the first latch hole (5). In the door closing locking state, the first latch member (4) is inserted into the first latch hole (5) and abuts against the hole wall of the first latch hole (5).

3. The manual door lock used on a rock drilling trolley according to claim 2, characterized in that: The first latch member (4) is arranged on the fixing frame (1), and the first latch hole (5) is arranged on the door panel assembly (2); the first latch member (4) comprises a cross bar (6) and a vertical bar (7) from top to bottom, the top of the vertical bar (7) is connected to the cross bar (6), and the first latch member (4) is T-shaped as a whole.

4. The manual door lock used on a rock drilling trolley according to claim 3 is characterized by: The fixing frame (1) is provided with an upper plate (8) and a lower plate (9), the upper plate (8) is provided with a first through hole (10), the lower plate (9) is provided with a second through hole (11), the first through hole (10) and the second through hole (11) are arranged concentrically, and the vertical rod (7) is penetrated through the first through hole (10) and the second through hole (11); a first return spring (12) is provided between the upper plate (8) and the lower plate (9), the first return spring (12) is sleeved on the vertical rod (7), a first stopper (13) is sleeved on the vertical rod (7), the first stopper (13) is connected to the vertical rod (7), and the upper and lower ends of the first return spring (12) are respectively in contact with the upper plate (8) and the first stopper (13).

5. The manual door lock used on a rock drilling trolley according to claim 4, characterized in that: The door panel assembly (2) is provided with a first inclined surface (14), and the first latch hole (5) is arranged on the first inclined surface (14). In the door closed state, the vertical rod (7) is coaxial with the first latch hole (5); the bottom of the vertical rod (7) is higher than the lowest point of the first inclined surface (14), and the bottom of the vertical rod (7) is arranged on the rotation path of the first inclined surface (14); the high side of the first inclined surface (14) is provided with a limit plate (15) protruding upwards, and in the door closed and locked state, the lower plate (9) abuts against the limit plate (15).

6. The manual door lock used on a rock drilling trolley according to claim 1, characterized in that: The second latch assembly (17) is arranged on the fixing frame (1), and the second latch hole (18) is arranged on the door panel assembly (2); a guide sleeve (20) is arranged on the fixing frame (1), the guide sleeve (20) is connected to the fixing frame (1), and the insertion rod (19) is passed through the guide sleeve (20); a second return spring (21) is arranged in the guide sleeve (20), the second return spring (21) is sleeved on the insertion rod (19), a baffle (22) protruding toward the center is arranged on the upper part of the guide sleeve (20), a second stopper (23) is sleeved on the insertion rod (19), and the second stopper (23) is connected to the insertion rod (19), and the upper and lower ends of the second return spring (21) are respectively in contact with the baffle (22) and the second stopper (23).

7. A manual door lock for a rock drilling trolley according to claim 6, characterized in that: The second latch assembly (17) further comprises a lifting ring (24), the lifting ring (24) being connected to the top of the insertion rod (19); the bottom diameter of the lifting ring (24) being larger than the top diameter of the insertion rod (19); when the door is opened and locked, the bottom of the lifting ring (24) abuts against the top of the baffle (22); the second latch assembly (17) further comprises a pull rope (25) and a pull ring (26), the two ends of the pull rope (25) being respectively connected to the pull ring (26) and the lifting ring (24); a wire tube (27) is provided on the fixing frame (1), and the pull rope (25) is passed through the wire tube (27); a guide member (28) is provided above the lifting ring (24), the guide member (28) is connected and fixed to the fixing frame (1), and the pull rope (25) is passed through the guide member (28).

8. The manual door lock used on a rock drilling trolley according to claim 7, characterized in that: The fixing frame (1) is provided with a door opening locking plate (29), and the second latch hole (18) is arranged on the door opening locking plate (29); the door opening locking plate (29) is provided with an outwardly extending inclined plate (30), the inclined plate (30) is inclined downward, the bottom of the insertion rod (19) is arranged on the rotation path of the inclined plate (30), and the bottom of the insertion rod (19) is higher than the lowest point of the inclined plate (30).

9. The manual door lock used on a rock drilling trolley according to claim 1, characterized in that: The fixing frame (1) is provided with a rotating shaft sleeve (31), the door panel assembly (2) is provided with a rotating shaft, and the rotating shaft sleeve (31) is sleeved on the rotating shaft; an extension plate (32) is provided between the rotating shaft sleeve (31) and the fixing frame (1).

10. The manual door lock used on a rock drilling trolley according to claim 1, characterized in that: The door panel assembly (2) comprises a bottom panel (33) and a side panel (34), and the side edge of the bottom panel (33) is connected to the bottom edge of the side panel (34).

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