Novel locking mechanism
By designing a new type of locking mechanism, using the movable installation and limit design of the locking inner tube, shaft sleeve, locking outer tube and other components, the problem of the lack of a locking mechanism when the traditional multi-functional hospital bed is tilted is solved, and the stability of the hospital bed is achieved. and safety, improving patient comfort.
Patent Information
- Application Number
- CN202420518993.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-03-18
AI Technical Summary
The lack of locking mechanisms for traditional multifunctional beds when tilted, resulting in the inability to find a balance point during the ascending process, affecting the patient's comfort, and may cause the bed to collapse when the gas spring fails, posing a safety risk.
A new locking mechanism is designed, including a locking inner tube, a shaft sleeve, a locking outer tube, a pin, a gate line A stud, a rotating pull arm weldment, a tension spring, a fixed rod and other components. Through the movable installation and installation of these components, The limit design realizes the locking and stabilization of the hospital bed lifting structure.
Effectively reduce wear between parts, ensure the stability and safety of the bed during exercise, prevent the collapse of the bed body, and improve the comfort and use of patients.
Smart Images
Figure CN222383568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical equipment, in particular to a novel locking mechanism. Background Art
[0002] A hospital bed generally refers to a nursing bed, which is designed according to the patient's treatment needs and bedridden lifestyle so that family members can accompany the patient. It has multiple nursing functions and operation buttons, and uses an insulated and safe bed. It has functions such as weight monitoring, back-raising for dining, intelligent turning over, prevention of bedsores, negative pressure urine collection and bedwetting alarm monitoring, mobile transportation, rest, rehabilitation (passive movement, standing), drug administration and infusion, etc. Rehabilitation beds can be used alone or in conjunction with treatment or rehabilitation equipment.
[0003] Most of the existing multifunctional beds are equipped with a tilting function, which can protect patients from external injuries and make nursing care for patients more convenient. However, the traditional lifting mechanism has no locking mechanism when tilting, and the balance point cannot be found during the rising process, which will affect the comfort of the patient; and the bed will collapse when the gas spring fails, which will put the patient at risk. Therefore, those skilled in the art provide a new locking mechanism to solve the problems raised in the above background technology. Utility Model Content
[0004] The purpose of the utility model is to provide a new locking mechanism to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A novel locking mechanism, wherein the locking inner tube is welded with a shaft sleeve.
[0007] A further improvement of the technical solution of the utility model is that: the locking outer tube is provided with a pin shaft for movable installation;
[0008] The further improvement of the technical solution of the utility model is that: the locking outer tube and the rotating pull arm welding piece are movably installed, and the tension spring and the fixing rod are movably installed;
[0009] The further improvement of the technical solution of the utility model is that the moving head of the stud of the brake wire A is movably installed with the fixing rod, and the fixing head of the stud of the brake wire A is fixedly installed with the brake wire fixing plate.
[0010] A further improvement of the technical solution of the utility model is that: the locking inner tube and the front lifting shaft are movably installed, and the locking outer tube and the rear lifting shaft are movably installed;
[0011] The further improvement of the technical solution of the utility model is that: the gas spring and the front lifting shaft are movably installed, the control seat and the head end of the brake cable B column are movably installed, and the control seat and the rear lifting shaft are movably installed;
[0012] The further improvement of the technical solution of the utility model is that: the tilt switch and the tilt wrench seat are movably installed, the free end of the gate wire B is movably installed with the tilt switch, and the gate wire B column head and the gate wire base are fixedly installed by nuts;
[0013] A further improvement of the technical solution of the utility model is that the cam and the cam fixing sheet metal are movably installed
[0014] Compared with the prior art, the utility model has the following beneficial effects: the locking inner tube has a shaft sleeve, which can make the movement more stable and reduce the wear between parts; the locking outer tube is fixed with a pin shaft, so that the pin shaft moves in the slot hole, which plays a limiting role to prevent the lifting structure from failing during the movement and causing the bed to collapse; the locking outer tube is movably installed with the rotating pull arm welding part, the tension spring is movably installed with the fixed rod, and the movement is achieved by the tension spring, making the structure simpler and more stable; the moving head of the brake wire A stud is movably installed with the fixed rod, the fixing head of the brake wire A stud is fixedly installed with the brake wire fixing plate, and the moving head of the brake wire A stud has a thread that can be easily adjusted, making the installation more convenient; the locking inner tube and the front lifting shaft are movably installed with the rotating pull arm welding part, and the tension spring is movably installed with the fixed rod, and the fixing head of the brake wire A stud is fixedly installed with the brake wire fixing plate, and the moving head of the brake wire A stud has a thread that can be easily adjusted, making the installation more convenient; the locking inner tube and the front lifting shaft Movable installation, locking outer tube and rear lifting shaft are movably installed, locking inner tube and outer tube can limit the position, when the gas spring fails, it can be locked to ensure that the locking mechanism does not fail; the tilt switch and tilt wrench seat are movably installed, the free end of gate wire B and the tilt switch are movably installed, the column head of gate wire B and the base of gate wire are fixedly installed by nuts, the tilt switch is made of steel, when the number of movements increases, the wear can be reduced and the service life is increased, at the same time, the column head of gate wire B is threaded connection, which can be better installed and adjusted; the cam and cam fixed sheet metal are movably installed, the nylon wheel and cam cooperate with each other, the nylon wheel will move according to the profile of the cam, less wear can increase the service life, the movement is relatively stable and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the installation process of the unlocking structure of the utility model;
[0016] Figure 2 This is an exploded schematic diagram of the unlocking structure of the utility model;
[0017] Figure 3 This is a complete schematic diagram of the installation of the unlocking structure of the utility model;
[0018] Figure 4 It is a partial schematic diagram of the unlocking structure of the utility model;
[0019] Figure 5 This is a schematic diagram of the gas spring of the unlocking structure of the utility model;
[0020] Figure 6 This is a partial installation diagram of the unlocking structure of the utility model;
[0021] Figure 7 This is a schematic diagram of the overall installation of the unlocking structure of the utility model;
[0022] Figure 8 This is a schematic diagram of the partial architecture of the unlocking structure of the utility model;
[0023] Fig. 9 This is a schematic diagram of the unlocking structure dispersion of the utility model;
[0024] Fig.10 This is a schematic diagram of gate line A.
[0025] Fig.11 This is a schematic diagram of gate line B.
[0026] Fig.12 It is a schematic diagram of the cam rotation of the utility model.
[0027] In the figure; 1-locking inner tube, 2-shaft sleeve, 3-locking outer tube, 4-pin shaft, 5-brake line fixing plate, 6-rotating pull arm welding part, 7-locking rod, 8-tension spring, 9-fixing rod, 10-adjusting bolt, 11-hexagonal nut, 12-brake line A stud moving head, 13-brake line A stud fixing head, 14-front lifting shaft, 15-rear lifting shaft, 16-gas spring, 17-brake line B, 18-control seat, 19-control arm, 20-brake line B stud moving head, 21-elastic retaining ring, 22-quick Sleeve, 23-tilt wrench seat, 24-gate wire base, 25-tilt switch, 26-gate wire B free end, 27-gate wire B column head, 28-top screw, 29-limit column, 30-rotating wrench, 31-pulley welding, 32-compression spring, 33-locking nut, 34-cam fixed sheet metal, 35-cam, 36-pulley U-shaped frame, 37-nylon wheel, 38-gate wire A telescopic ball, 39-dock pipe, 40-gate wire A ball head end, 41-sliding fixing plate, 42-gate wire B stud fixing head. DETAILED DESCRIPTION
[0028] See also Figures 1 to 12In the embodiment of the utility model, a new locking mechanism includes a locking inner tube 1, a sleeve 2, a locking outer tube 3, a pin 4, a brake wire fixing plate 5, a rotating pull arm welding piece 6, a locking rod 7, a tension spring 8, a fixing rod 9, an adjusting bolt 10, a hexagonal nut 11, a brake wire A stud moving head 12, a brake wire A stud fixing head 13, a front lifting shaft 14, a rear lifting shaft 15, a gas spring 16, a brake wire B 17, a control seat 18, a control arm 19, a brake wire B stud moving head 20, an elastic retaining ring 21, a quick-release sleeve 22, a tilt wrench seat 23, a brake wire base 24, a tilt switch 25, a brake wire B free end 26, a brake wire B column head 27, a top screw 28, a limit column 29, a rotating wrench 30, a pulley welding 31, and a compression spring 3 2, locking nut 33, cam fixing sheet metal 34, cam 35, pulley U-shaped frame 36, nylon wheel 37, gate line A telescopic ball 38, dock tube 39, gate line A ball head end 40, sliding fixing plate 41, gate line B stud fixing head 42; two shaft sleeves 2 are fixedly welded on the locking inner tube 1, the locking inner tube 1 and the locking outer tube 3 are movably installed and limited by the pin 4; the rotating pull arm welding piece 6 and the locking outer tube 3 are movably installed with the pin 4, one end of the tension spring 8 is fixedly installed on the fixing rod 9, and the other end is fixedly installed on the gate line fixing plate 5, and the adjusting bolt 10 is fixedly installed with the locking outer tube 3; the gate line A stud moving head 12 and the fixing rod 9 are fixed with the hexagonal nut 11 The brake wire A stud fixing head 13 is fixedly installed on the brake wire fixing plate 5 with a hexagonal nut 11; the locking inner tube 1 is fixedly installed with a pin shaft 4 and a front lifting shaft 14, and the adjusting bolt 10 is fixedly installed with a pin shaft 4 and a rear lifting shaft 15; one end of the gas spring 16 is fixedly installed on the front lifting shaft 14 with a pin shaft 4, and the other side of the gas spring 16 is movably installed on the brake wire B column head end 20 and the control arm 19, the brake wire B stud fixing head 42 and the control seat 18 are fixedly installed with a hexagonal nut 11, and the control seat 18 and the rear lifting shaft 15 are fixedly installed; the tilt switch 25, the quick-release sleeve 22 and the tilt wrench seat 23 are movably installed, and elastic retaining rings are used on both sides. 21 is fixedly installed, the gate wire B column head 27 and the gate wire base 24 are fixedly installed with a hexagonal nut 11, and the gate wire B free end 26 and the tilt switch 25 are fixed with a top screw 28; the pulley U-shaped frame 36 has a pulley welding 31 and a nylon wheel 37 that are movably installed with a pin shaft 4, the rod end and the compression spring 32 of the pulley welding 31 pass through the hole of the sliding fixing plate 41 and are movably connected with a locking nut, the ball head end 40 of the gate wire A passes through the sliding fixing plate 41 and then the gate wire A telescopic ball 38 and the pulley welding 31 are movably installed, the cam 35 and the cam fixing sheet metal 34 are movably installed with the hole of the rotating wrench 30, and the top pin 28 fixes the cam 35 on the rotating wrench 30.
[0029] In this example, a sleeve 2 is welded on the locking inner tube 1, and the sleeve 2 can make the locking mechanism more stable and reduce the wear between parts; the pin shaft 4 is inserted into the locking outer tube, which can limit the mechanism at the longest and shortest times to make the structure more stable and safe. When the notches on the locking inner tube 1 and the locking outer tube 3 are at the same position, the locking rod 7 is locked due to the action of the tension spring 8, so that the structure achieves its locked state; the moving head of the stud of the brake wire A passes through the hole of the fixing rod 9, and the fixing head 13 of the stud of the brake wire 1 passes through the locking device of the brake wire fixing plate 5 to unlock, which makes the structure simpler and more stable. The gas spring 16 is installed at one end on the front lifting shaft 14, and at the other end on the rear lifting shaft 15. The brake wire B column head end 20 is installed on the control arm 19, and the brake wire 2 column head end is cylindrical to make the force more stable; the free end 26 of the brake wire B is fixed on the tilt switch 25. When the tilt switch 25 is pulled, the free end 26 of the brake wire B will move, making the structure operation simpler. The use of the quick-release sleeve 22 can reduce friction and increase the bearing capacity; the nylon wheel 37 moves in the slot of the pulley U-shaped frame 36, and the cam 35 contacts the nylon wheel 37 when rotating, which can reduce friction and increase the service life.
[0030] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A novel locking mechanism, comprising a locking inner tube (1), a shaft sleeve (2), a locking outer tube (3), a brake wire A stud fixing head (13), a brake wire B stud head (27), a pulley U-shaped frame (36), a sliding fixing sheet (41) and a brake wire B stud fixing head (42); characterized in that: Two shaft sleeves (2) are fixedly welded on the locking inner tube (1); the locking inner tube (1) and the locking outer tube (3) are movably mounted and limited by a pin shaft (4); the rotating arm welding piece (6) and the locking outer tube (3) are movably mounted by a pin shaft (4); a locking rod (7) is arranged between the rotating arm welding piece (6) and the rotating arm welding piece (6); one end of the tension spring (8) is fixedly mounted on the fixing rod (9) and the other end is fixedly mounted on the brake wire fixing plate (5); the adjusting bolt (10) is fixedly mounted on the locking outer tube (3); the brake wire A stud moving head (12) and The fixing rod (9) is fixedly installed with a hexagonal nut (11), and the brake wire A stud fixing head (13) is fixedly installed on the brake wire fixing plate (5) with a hexagonal nut (11); the locking inner tube (1) is fixedly installed with a pin shaft (4) and a front lifting shaft (14), and the adjusting bolt (10) is fixedly installed with a pin shaft (4) and a rear lifting shaft (15); one end of the gas spring (16) is fixedly installed on the front lifting shaft (14) with a pin shaft (4), and the brake wire B stud moving head (20) and the control arm (19) are movably installed on the other side of the gas spring (16); the brake wire B stud fixing head (4 2) and the control seat (18) are fixedly installed with a hexagonal nut (11), and the control seat (18) and the rear lifting shaft (15) are fixedly installed; the tilt switch (25), the quick-release sleeve (22) and the tilt wrench seat (23) are movably installed, and the two sides are fixedly installed with elastic retaining rings (21), the gate wire B column head (27) and the gate wire base (24) are fixedly installed with a hexagonal nut (11), and the free end of the gate wire B (26) and the tilt switch (25) are fixed with a top screw (28); the pulley U-shaped frame (36) has a pulley welding (31) and a nylon wheel (37) with a pin ( 4) Perform movable installation, the rod end and the compression spring (32) of the pulley weld (31) pass through the hole of the sliding fixed plate (41) and are movably connected with the locking nut (33), the ball head end (40) of the brake wire A passes through the sliding fixed plate (41) and then the telescopic ball (38) of the brake wire A and the pulley weld (31) are movably installed, the cam (35) and the cam fixing sheet metal (34) are movably installed with the hole of the rotating wrench (30) facing the hole, and a limit column (29) is set at one end of the cam (35) and the cam fixing sheet metal (34), and the ejector pin makes the cam (35) fixedly installed on the rotating wrench (30).
2. A novel locking mechanism according to claim 1, characterized in that: The locking inner tube (1) is welded with a shaft sleeve (2), the adjusting bolt (10) is threaded, the brake wire A stud moving head (12) and the brake wire A stud fixed head (13) are both threaded, and the cam (35) and the rotary wrench (30) are movably installed.