Double-folding leg plate mechanism for operating bed and operating bed

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a double-folding leg plate mechanism for an operating bed and the operating bed. The mechanism comprises a front frame, a rear frame and a locking plate, through holes are formed in the middle of the locking plate and the middle of the front frame, and locking rods are arranged in the through holes; one end of the locking rod is connected with the front frame through a rotation stopping cover, the other end of the locking rod is connected with the pressing handle through a gasket, and a pressing threaded sleeve is arranged between the locking rod and the locking plate; shaft tongues are arranged at the two ends of the front frame; the shaft tongues, the shaft inserting seats and the end parts of the locking plates are connected through rotating shafts; the insertion shaft seat is provided with an insertion shaft seat step hole with a downward opening, and an upper plane tooth is arranged in the insertion shaft seat step hole; a locking plate stepped hole with an upward opening is formed in the end part of the locking plate; a lower plane tooth is arranged in the locking plate stepped hole; belleville springs are arranged between the upper plane teeth and the lower plane teeth for separation. According to the leg plate mechanism, the leg plate can freely rotate in the plane, and bending of the thigh and the shank can be achieved.

Description

Technical Field

[0001] This utility model belongs to the field of medical equipment technology, specifically a double-folding leg plate mechanism for an operating table and an operating table. Background Technology

[0002] With the development of medical technology, the functional requirements for operating tables are becoming increasingly diverse. Surgery on the inner side of the leg requires bending the leg, and a single leg board is insufficient to meet this requirement. A double-folding leg board that can achieve bending of the upper and lower legs is needed. Utility Model Content

[0003] The purpose of this invention is to overcome the defects of the prior art and provide a double-folding leg plate mechanism for operating tables. This leg plate mechanism allows the leg plate to rotate freely in a plane, enabling bending of the thigh and calf.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A double-folding leg plate mechanism for an operating table, the mechanism comprising a front frame, a rear frame, and a locking plate;

[0006] The front frame is provided with hinges at both ends. One hinge is connected to the rear frame through a hinge seat, and the other hinge is connected to the main frame of the operating table through a hinge seat.

[0007] The insert bearing includes an upper bearing lug and a lower bearing lug, with a shaft tongue sandwiched between the upper and lower bearing lugs; the ends of the shaft tongue, the insert bearing, and the locking plate are rotatably connected by a rotating shaft;

[0008] The insert bearing seat is provided with a downward-opening stepped hole, and the stepped hole is provided with upper flat teeth.

[0009] The end of the locking plate is provided with an upward-opening locking plate stepped hole, and the locking plate stepped hole is provided with a lower plane tooth;

[0010] A butterfly spring is provided to separate the upper and lower planar teeth;

[0011] The locking plate and the front frame are provided with through holes, and a locking rod is inserted through the through holes; one end of the locking rod is connected to the front frame through an anti-rotation cover, and the other end is connected to the clamping handle through a gasket; a clamping nut is provided between the locking rod and the locking plate.

[0012] Preferably, a butterfly spring is provided between the upper and lower planar teeth; the upper planar teeth are fixedly connected to the insert shaft seat by an upper positioning pin; and the lower planar teeth are connected to the locking plate by a lower positioning pin.

[0013] Preferably, an annular gasket is provided on the contact surface between the insert seat and the shaft tongue.

[0014] Preferably, a shaft sleeve is provided between the shaft and the shaft tongue.

[0015] Compared with the prior art, the advantages of this utility model are:

[0016] 1. This utility model employs two pairs of planar teeth, separated by a butterfly spring, to ensure smooth rotation of the leg plate. Applying upward pressure to the locking plate with a wrench locks the front and rear frames of the leg plate, as well as the front frame and the main frame of the operating table. Releasing the wrench releases the front and rear frames of the leg plate, allowing it to rotate freely within the plane.

[0017] 2. The locking nut of this utility model can adjust the locking distance of the wrench, so that the length of the locking rod and the distance between the front frame and the locking plate are not strictly limited, thus reducing the processing and assembly difficulty of the entire mechanism. Attached Figure Description

[0018] Figure 1 This is a sectional view of the double-folding rotating leg plate mechanism of this utility model;

[0019] Figure 2 yes Figure 1 Enlarged view of box A in the image;

[0020] Figure 3 yes Figure 1 Enlarged view of box B in the image;

[0021] Figure 4 This is a diagram showing the released state of the clamping handle of the double-folding rotating leg plate mechanism of this utility model;

[0022] Figure 5 This is a diagram showing the locking state of the clamping handle of the double-folding rotating leg plate mechanism of this utility model;

[0023] Figure 6 This is a diagram showing the locking state of the handle after the double-folding leg plate mechanism of this utility model is folded.

[0024] Figure 7 This is a cross-sectional view of the folding section of the double-folding rotating leg plate mechanism of this utility model;

[0025] Figure 8 This is a three-dimensional structural diagram of the double-fold rotating leg plate mechanism of this utility model;

[0026] Figure 9 It is a three-dimensional structural diagram of the upper or lower plane teeth;

[0027] Figure label:

[0028] 1. Rear frame; 2. Front frame; 3. Locking plate; 4. Handle; 5. Insert shaft seat; 6. Gasket; 7. Shaft; 8. Shaft sleeve; 9. Upper locating pin; 10. Anti-rotation cover; 11. Locking rod; 12. Insert shaft; 13. Upper flat tooth; 14. Lower flat tooth; 15. Disc spring; 16. Lower locating pin; 17. Washer; 18. Compression screw sleeve; 19. Auxiliary pin; 20. Shaft tongue; 21. Upper shaft seat ear; 22. Lower shaft seat ear. Detailed Implementation

[0029] The technical solution of this utility model will be described in detail below with reference to the accompanying drawings and embodiments.

[0030] Example 1

[0031] like Figure 1-3 As shown, a double-folding leg plate mechanism for an operating table includes a front frame 2, a rear frame 1, and a locking plate 3.

[0032] The front frame 2 is provided with axle tongues 20 at both ends. One axle tongue 20 is connected to the rear frame 1 through a shaft insert 5, and the other axle tongue 20 is connected to the main frame of the operating table (which is not shown in the accompanying drawings) through a shaft insert 5.

[0033] The locking plate 3 and the front frame 2 are provided with through holes in the middle, and a locking rod 11 is provided in the through holes. One end of the locking rod 11 is connected to the front frame 2 through an anti-rotation cover 10, and the other end is connected to the clamping handle 4 through a gasket 17. A clamping nut 18 is provided between the locking rod 11 and the locking plate 3. The anti-rotation cover is fixed with a pin to prevent the locking rod from rotating when the clamping handle is turned.

[0034] The front frame 2 is provided with shaft tongues 20 at both ends, and the ends of the shaft tongues 20, the insert shaft seat 5 and the locking plate 3 are rotatably connected by a rotating shaft 7.

[0035] The insert bearing 5 is provided with a downward-opening stepped hole, and the stepped hole is provided with an upper flat tooth 13.

[0036] The end of the locking plate 3 is provided with an upward-opening locking plate stepped hole, and the locking plate stepped hole is provided with a lower plane tooth 14.

[0037] like Figure 7-9 As shown, the upper plane tooth 13 and the lower plane tooth 14 are provided with cavities, and a butterfly spring 15 is provided in the cavity; the upper plane tooth 13 is fixedly connected to the insert shaft seat 5 by an upper positioning pin 9; the lower plane tooth 14 is connected to the locking plate 3 by a lower positioning pin 16.

[0038] An annular gasket 6 is provided on the contact surface between the insert seat 5 and the tongue 20.

[0039] A rotating shaft sleeve 8 is provided between the rotating shaft 7 and the shaft tongue 20.

[0040] The insert bearing 5 includes an upper bearing lug 21 and a lower bearing lug 22, with a bearing tongue 20 sandwiched between the upper bearing lug 21 and the lower bearing lug 22.

[0041] The insert seat 5 is connected to the rear frame 1. The insert seat 5 can also be fixedly connected to other insert seats on the operating table via the insert shaft 12 and auxiliary pin 19.

[0042] like Figure 4 As shown, this utility model mainly comprises a rear frame 1, a front frame 2, a locking plate 3, a pressing handle 4, and a shaft insertion seat 5. The front frame 2 and the shaft insertion seat 5 are locked and released by moving the pressing handle 4. The shaft insertion seat 5 and the shaft insertion 12 and auxiliary pin 19 on the shaft insertion seat 5 can cooperate with the main frame of the operating table to realize a quick insertion structure.

[0043] like Figure 2 and 7 As shown, the internal structure of the double-folding rotating leg plate mechanism includes an annular gasket 6, a rotating shaft 7, a rotating shaft sleeve 8, an upper positioning pin 9, an anti-rotation cover 10, a locking rod 11, an upper flat tooth 13, a lower flat tooth 14, a disc spring 15, a lower positioning pin 16, a washer 17, and a clamping screw 18. The front frame 2 is connected to the insert shaft seat 5 via the rotating shaft 7. The contact points between the front frame 2 and the insert shaft seat 5 are separated by the annular gasket 6, which is a brass gasket that is wear-resistant and self-lubricating, thus better protecting the rotating structure. A pair of flat teeth are installed between the insert shaft seat 5 and the locking plate 3, and the two teeth are separated by the disc spring 15. The rear frame 1 is treated similarly. The locking rod 11 passes through the front frame 2 and the locking plate 3 and connects to the clamping handle 4. By adjusting the position of the clamping screw 18, the locking state of the clamping handle can be ensured. The gears of the upper flat tooth 13 and the lower flat tooth 14 are in a meshing state, making the locking more secure. The position of the clamping sleeve 18 can be adjusted up and down along the locking rod 11, thereby adjusting the distance between the contact surface of the clamping sleeve 18 and the clamping handle. When it is adjusted downward, the distance decreases, the clamping force increases, and the locking between the upper plane teeth 13 and the lower plane teeth 14 is more secure.

[0044] like Figure 5 As shown, pulling the clamping handle upwards locks the mechanism. The clamping handle, pressing against the washer, overcomes the spring force of the disc spring, causing the locking plate to move upwards. The upper and lower planar teeth engage to lock the mechanism. When the clamping handle is released, the disc spring separates the upper and lower planar teeth, ensuring smooth rotation of the front and rear frames within the plane. Figure 6 As shown, rotate to the desired angle and pull the clamping handle to lock.

[0045] It should be noted that this embodiment only describes one leg plate; the other side can have a symmetrical structure or be fitted with a different leg plate. When a double-leg plate mechanism is used, the front frame has a thigh plate and the rear frame has a calf plate. Figure 5 The image shows the patient's legs in a horizontal position, where the knees and calves can be straightened. Figure 6 The image shows the bent state, where the front and back frames are folded and bent, allowing the patient's lower leg to bend inward while lying on their side.

[0046] For any content not described in detail in this utility model, conventional technical knowledge in the field can be used.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to the embodiments, those skilled in the art should understand that modifications or equivalent substitutions to the technical solution of this utility model do not depart from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A double folding leg plate mechanism for a surgical bed, characterized by comprising: The mechanism comprises a front frame, a rear frame and a locking plate; The front frame is provided with shaft tongues at both ends, one end of which is connected with the rear frame through a shaft inserting seat, and the other end is connected with the main frame of the operating bed through a shaft inserting seat; The shaft inserting seat comprises upper and lower shaft seat ears, and the shaft tongue is clamped between the upper and lower shaft seat ears; the shaft tongue, the shaft inserting seat and the end of the locking plate are connected through a rotating shaft; The shaft inserting seat is provided with a downwardly opening shaft inserting seat step hole, and the upper flat teeth are arranged in the shaft inserting seat step hole; The end of the locking plate is provided with an upwardly opening locking plate step hole, and the lower flat teeth are arranged in the locking plate step hole; The butterfly spring is arranged between the upper flat teeth and the lower flat teeth; The middle part of the locking plate and the middle part of the front frame are provided with through holes, and the locking rod is arranged in the through holes; one end of the locking rod is connected with the front frame through a rotation stopping cover, and the other end is connected with a pressing handle through a gasket, and a pressing sleeve is arranged between the locking rod and the locking plate.

2. The double folding leg plate mechanism for a surgical bed according to claim 1, wherein The butterfly spring is arranged between the upper flat teeth and the lower flat teeth; the upper flat teeth are fixedly connected with the shaft inserting seat through an upper positioning pin; and the lower flat teeth are connected with the locking plate through a lower positioning pin.

3. The double knee break mechanism for a surgical bed according to claim 1, wherein The annular gasket is arranged on the contact surface between the shaft inserting seat and the shaft tongue.

4. The double knee break mechanism for a surgical bed according to claim 1, wherein The rotating shaft sleeve is arranged between the rotating shaft and the shaft tongue.

5. An operating bed, characterized in that The operating bed comprises one or two double folding leg plate mechanisms for operating beds according to any one of claims 1-4.

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