Rack locking device for ocean engineering
By designing a rack locking device for marine engineering including a U-shaped case, a rack pressing rack, an elastic reset mechanism and a locking mechanism, the problem of rack alignment adjustment is solved, and automatic locking and maintaining the locking state is realized, making it more convenient to use.
Patent Information
- Application Number
- CN202420747302.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-11
AI Technical Summary
When the existing rack locking device for marine engineering stops running, the tooth top cannot be accurately aligned with the gear groove of the rack, resulting in the rack being unable to mesh. The position of the main scale bar needs to be adjusted again, which is more troublesome to use.
A rack locking device for marine engineering is designed, including a U-shaped shell, a rack pressing rack, a first and second elastic reset mechanism, a locking mechanism and a cam, etc., and the rack is pre-pressed and pressed by a handle to achieve locking the main scale bar by using an elastic reset mechanism and a locking mechanism.
It realizes automatic locking and keeping the locking state when the main ruler is stopped, avoiding the hassle of rack alignment and adjustment, making it more convenient to use.
Smart Images

Figure CN222680826U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of marine engineering, in particular to a rack locking device for marine engineering. Background Art
[0002] Many marine equipment, such as windlasses and starters, use rack structures. At present, the temporary locking of the racks in most equipment is usually done by pressing. This locking method has the risk of the racks loosening when the locking pressure is reduced.
[0003] After searching, the patent with announcement number CN111993346B discloses a rack locking device for marine engineering, which rotates the block shaft by turning the wrench, and the block shaft drives the rotating block to rotate. When the rotating block rotates to a vertical state, the pressure rack is pressed against the main rack to complete the fixation of the main rack. The rotating block in the vertical state has good positive force bearing capacity. This design has a good fixing effect when completing the fixation of the main rack; the position of the block shaft is maintained by clamping the shaft card with a spring piece, thereby determining the position of the rotating block. This design is to determine the position of the block shaft and increase structural reliability; the hexagonal part can be clamped by a wrench, and the hexagonal slot of the piece can be inserted with a hexagonal wrench, and locking can be completed by an open-end wrench and a hexagonal bar wrench.
[0004] Although the above scheme can utilize the mutual engagement of the pressure rack and the main scale to lock the main scale, in actual use, if the main scale stops running, the tooth tops of the main scale cannot be accurately aligned with the tooth grooves of the pressure rack, that is, when the two tooth tops overlap with each other, the pressure rack will not be able to engage with the main scale under the push of the rotating block, and the position of the main scale needs to be adjusted again, which is more troublesome to use and needs to be improved. Utility Model Content
[0005] The purpose of the utility model is to provide a rack locking device for marine engineering to solve the problems raised in the above background technology.
[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0007] The U-shaped sleeve has a first end for sliding the U-shaped sleeve to abut against the toothed rail, and the second end for sliding the U-shaped sleeve to abut against the toothed rail.
[0008] As a further solution of the utility model: the locking mechanism includes a locking rod located on one side of the vertical plate, the outer wall of the locking rod is slidably sleeved with a third spring and two guide sleeves, the third spring is located between the two guide sleeves, the guide sleeves are fixedly connected to the outer wall of the U-shaped shell, the outer wall of the locking rod located between the two guide sleeves is also fixedly sleeved with a limiting plate, the end of the locking rod away from the vertical plate is fixedly connected with a pull ring, and the diameter of the locking rod is adapted to the aperture of the locking hole.
[0009] As a further solution of the utility model: the first elastic reset mechanism includes two horizontal plates distributed on both sides of the pressure rack, the horizontal plates are fixedly connected to the inner wall of the U-shaped shell, the top of the horizontal plate is fixedly connected to the first guide rod, the top of the first guide rod is fixedly connected to the inner wall of the U-shaped shell, the outer wall of the first guide rod is movably sleeved with a first spring and a sliding sleeve from bottom to top, and the sliding sleeves are fixedly connected to the pressure rack.
[0010] As a further solution of the utility model: the second elastic reset mechanism includes two second guide rods slidably penetrated on the slide seat, both ends of the second guide rods are fixedly connected to the inner wall of the slide groove, and the outer wall of the second guide rod above the slide seat is sleeved with a second spring.
[0011] As a further solution of the utility model: guide grooves are provided on both side outer walls of the main rack, and guide bars are fixedly connected to the inner wall of the U-shaped casing at the corresponding positions of the guide grooves, and the guide bars are located in the corresponding guide grooves.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] The utility model provides a locking mechanism, a vertical plate, a locking hole, etc., and when the main scale bar is accurately aligned with the pressure rack bar, the pressure rack bar can be pre-pressed on the main scale bar by rotating the cam operated by the handle. After that, the main scale bar is displaced, and the pressure rack bar will mesh with the main scale bar under the action of the second elastic reset mechanism, and the locking mechanism will cooperate with the locking hole to lock the height of the pressure rack bar, thereby realizing the locking of the main scale bar, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 The figure is a schematic diagram of the structure of a rack locking device for marine engineering.
[0015] Figure 2 for Figure 1 sectional view of .
[0016] Figure 3 for Figure 1 Cross-sectional view at point A.
[0017] Among them, the main rack 1, the guide groove 2, the U-shaped housing 3, the cross plate 4, the first guide rod 5, the sliding sleeve 6, the first spring 7, the pressure rack 8, the sliding groove 9, the second guide rod 10, the sliding seat 11, the second spring 12, the rotating shaft 13, the cam 14, the plane 15, the handle 16, the vertical plate 17, the locking hole 18, the locking rod 19, the guide sleeve 20, the pull ring 21, the limit plate 22, and the third spring 23. DETAILED DESCRIPTION
[0018] 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.
[0019] See also Figures 1 to 3In an embodiment of the utility model, a rack locking device for marine engineering includes a U-shaped casing 3 sleeved on a main rack 1, a pressing rack 8 is slidably connected in the U-shaped casing 3, the pressing rack 8 is located above the main rack 1, and the pressing rack 8 is adapted to the main rack 1, a first elastic reset mechanism for the pressing rack 8 is arranged in the main rack 1, and a slide groove 9 is symmetrically penetrated through the outer walls of both sides of the U-shaped casing 3, a slide seat 11 is slidably connected in the slide groove 9, a second elastic reset mechanism for the slide seat 11 is installed in the slide groove 9, and the elastic force of the second elastic reset mechanism is greater than that of the first elastic reset mechanism. The elastic force of an elastic reset mechanism, a rotating shaft 13 is provided on the two slides 11 for common rotation, a cam 14 is fixedly sleeved on the outer wall of the rotating shaft 13, and the cam 14 is located directly above the pressure rack 8, a plane 15 is provided on the outer peripheral wall of the cam 14, one end of the rotating shaft 13 passes through the slide 11 and is fixedly connected to a handle 16, a vertical plate 17 is fixedly connected to the outer wall of one of the slides 11, and a locking hole 18 is provided through the side wall of the vertical plate 17, a locking mechanism is installed at the corresponding position of the outer wall of the U-shaped casing 3 and the vertical plate 17, and the locking mechanism is adapted to the locking hole 18;
[0020] Furthermore, the locking mechanism includes a locking rod 19 located on one side of the vertical plate 17, and the outer wall of the locking rod 19 is slidably sleeved with a third spring 23 and two guide sleeves 20, the third spring 23 is located between the two guide sleeves 20, and the guide sleeves 20 are fixedly connected to the outer wall of the U-shaped shell 3. The outer wall of the locking rod 19 located between the two guide sleeves 20 is also fixedly sleeved with a limiting plate 22, and the end of the locking rod 19 away from the vertical plate 17 is fixedly connected with a pull ring 21, and the diameter of the locking rod 19 is adapted to the aperture of the locking hole 18.
[0021] By adopting the above solution, when the main scale bar 1 is in use, it is accurately aligned with the pressure rack bar 8 when it stops. At this time, the handle 16 is used to rotate the rotating shaft 13 to drive the cam 14 to rotate the plane 15 and fit the top surface of the pressure rack bar 8, so that the pressure rack bar 8 can be pushed to move downward and mesh with the main scale bar 1 to achieve locking of the main scale bar 1.
[0022] When the main scale bar 1 fails to align accurately with the pressure rack 8, the locking rod 19 is first pulled through the pull ring 21 to disengage the end of the locking rod 19 from the locking hole 18, and then the cam 14 is rotated by the handle 16 to push the pressure rack 8 downward. When the pressure rack 8 and the teeth of the main scale bar 1 abut against each other, the cam 14 is continued to be rotated until the plane 15 fits with the top surface of the pressure rack 8, which will push the cam 14 and the two slides 11 to move upward so that the locking hole 18 and the locking rod 19 are offset. At this time, the locking rod 19 will abut against the surface of the vertical plate 17 under the action of the third spring 23, and the second elastic recovery Under the action of the positioning mechanism, the pressure rack 8 will be in close contact with the main scale bar 1. If the main scale bar 1 is displaced later, so that the teeth of the pressure rack 8 are aligned with the tooth grooves of the main scale bar 1, the pressure rack 8, the cam 14 and the two slides 11 will move downward under the action of the second elastic reset mechanism to make the pressure rack 8 mesh with the main scale bar 1, and the locking rod 19 will also be aligned with the locking hole 18 and inserted into the locking hole 18 under the action of the third spring 23 to lock the height of the cam 14 and the pressure rack 8, thereby locking the main scale bar 1 and preventing the main scale bar 1 from moving further, making it more convenient to use.
[0023] Specific combination Figure 2 In one embodiment of the utility model, the first elastic reset mechanism includes two transverse plates 4 distributed on both sides of the pressure rack 8, the transverse plates 4 are fixedly connected to the inner wall of the U-shaped casing 3, the top of the transverse plate 4 is fixedly connected with a first guide rod 5, the top of the first guide rod 5 is fixedly connected to the inner wall of the U-shaped casing 3, the outer wall of the first guide rod 5 is movably sleeved with a first spring 7 and a sliding sleeve 6 in sequence from bottom to top, and the sliding sleeve 6 is fixedly connected to the pressure rack 8.
[0024] Through the cooperation of the first guide rod 5 and the sliding sleeve 6, the pressure rack 8 can be guided in the U-shaped housing 3 to ensure the stability of the up and down movement of the pressure rack 8. Through the setting of the first spring 7, the pressure rack 8 can always be pushed upward to make the pressure rack 8 fit against the outer wall of the cam 14, and when the main scale bar 1 is not locked, the pressure rack 8 is prevented from interfering with the movement of the main scale bar 1.
[0025] Specific combination Figure 1 and Figure 2 In one embodiment of the utility model, the second elastic reset mechanism includes two second guide rods 10 slidably penetrated on the slide seat 11, both ends of the second guide rods 10 are fixedly connected to the inner wall of the slide groove 9, and the outer wall of the second guide rod 10 above the slide seat 11 is sleeved with a second spring 12, and the elastic force of the second spring 12 is greater than the elastic force of the first spring 7.
[0026] The cooperation between the second guide rod 10 and the slide seat 11 can guide the slide seat 11 in the slide groove 9 to ensure the stability of the rotating shaft 13 and the cam 14 when they move up and down.
[0027] In one embodiment of the utility model, guide grooves 2 are provided on both side outer walls of the main rack 1 , and guide bars are fixedly connected to the inner wall of the U-shaped casing 3 at the corresponding positions of the guide grooves 2 , and the guide bars are located in the corresponding guide grooves 2 .
[0028] The cooperation between the guide groove 2 and the guide bar can guide the movement of the main scale bar 1 in the U-shaped housing 3.
[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A rack locking device for marine engineering, characterized in that: The invention comprises a U-shaped casing (3) sleeved on a main rack (1), a pressing rack (8) being slidably connected in the U-shaped casing (3), the pressing rack (8) being located above the main rack (1), and the pressing rack (8) being adapted to the main rack (1), a first elastic reset mechanism for the pressing rack (8) being arranged in the main rack (1), sliding grooves (9) being symmetrically arranged through the outer walls on both sides of the U-shaped casing (3), a sliding seat (11) being slidably connected in the sliding grooves (9), a second elastic reset mechanism for the sliding seat (11) being installed in the sliding grooves (9), and the two sliding seats (11) being rotated together to pass through the sliding grooves. A rotating shaft (13) is provided, and a cam (14) is fixedly sleeved on the outer wall of the rotating shaft (13), and the cam (14) is located directly above the pressure rack (8). A plane (15) is provided on the outer peripheral wall of the cam (14). One end of the rotating shaft (13) passes through the sliding seat (11) and is fixedly connected to a handle (16). A vertical plate (17) is fixedly connected to the outer wall of the sliding seat (11), and a locking hole (18) is penetrated through the side wall of the vertical plate (17). A locking mechanism is installed at the corresponding position of the outer wall of the U-shaped casing (3) and the vertical plate (17), and the locking mechanism is adapted to the locking hole (18).
2. A rack locking device for marine engineering according to claim 1, characterized in that: The locking mechanism comprises a locking rod (19) located on one side of the vertical plate (17); the outer wall of the locking rod (19) is slidably sleeved with a third spring (23) and two guide sleeves (20); the third spring (23) is located between the two guide sleeves (20); the guide sleeves (20) are fixedly connected to the outer wall of the U-shaped casing (3); the outer wall of the locking rod (19) located between the two guide sleeves (20) is also fixedly sleeved with a limiting plate (22); one end of the locking rod (19) away from the vertical plate (17) is fixedly connected with a pull ring (21); the diameter of the locking rod (19) is adapted to the hole diameter of the locking hole (18).
3. A rack locking device for marine engineering according to claim 1, characterized in that: The first elastic reset mechanism comprises two transverse plates (4) distributed on both sides of the pressure rack (8), the transverse plates (4) are fixedly connected to the inner wall of the U-shaped casing (3), the top of the transverse plate (4) is fixedly connected to the first guide rod (5), the top of the first guide rod (5) is fixedly connected to the inner wall of the U-shaped casing (3), the outer wall of the first guide rod (5) is movably sleeved with a first spring (7) and a sliding sleeve (6) in sequence from bottom to top, and the sliding sleeve (6) is fixedly connected to the pressure rack (8).
4. The rack locking device for marine engineering according to claim 1, characterized in that: The second elastic reset mechanism comprises two second guide rods (10) slidably inserted into the slide seat (11), both ends of the second guide rods (10) are fixedly connected to the inner wall of the slide groove (9), and the outer wall of the second guide rod (10) located above the slide seat (11) is sleeved with a second spring (12).
5. The rack locking device for marine engineering according to claim 1, characterized in that: The outer walls on both sides of the main rack (1) are provided with guide grooves (2), and the inner wall of the U-shaped casing (3) is fixedly connected with a guide bar at a position corresponding to the guide groove (2), and the guide bar is located in the corresponding guide groove (2).
Citation Information
Patent Citations
A rack and pinion locking device for marine engineering
CN111993346B