A kind of operating table top fixing mechanism

Abstract

The present invention discloses a fixing mechanism for an operating bed table, which comprises a seat arm (40) slidably matched with a base (1) of the operating bed, wherein the base (1) is provided with a plurality of tooth grooves (20), and the fixing mechanism further comprises a locking tongue (44) slidably matched with the seat arm (40), a spring (45) installed between the locking tongue (44) and the seat arm (40), and an operating handle (45) fixedly connected with the locking tongue (44), wherein the spring (45) drives the locking tongue (44) to extend into the tooth groove (20). By providing the locking tongue slidably matched with the seat arm and the operating handle fixed with the locking tongue, unlocking can be completed by simply pulling the operating handle outwards, and after releasing the operating handle, the spring can automatically push the locking tongue into the tooth seat to complete locking, so that the operation is more convenient and the use comfort is high.

Description

Technical Field

[0001] The invention relates to an operating table, and in particular to an operating table top fixing mechanism. Background Art

[0002] The operating table is a commonly used medical device in the prior art, such as Figures 9 to 11 As shown, it generally includes a table top (not shown) for a patient to lie on and a base 1 supporting the table top. The table top and the base 1 are connected by a slide rail so that the table top can move along the guide rail. A fixing mechanism is arranged on the table top, which is used to lock the table top and the base 1 with each other. The fixing mechanism includes a seat arm 19 connected to the table top, a mounting plate 10 fixed on the seat arm 19, a locking tongue 12 slidably matched in a slide groove 11 of the mounting plate 10, and a rotating member rotatably connected to the mounting plate 10. The shaft 13, the connecting rod 14 connected between the rotating shaft 13 and the lock tongue 12, the tension spring mounting part 15 connected to the mounting plate 10, the tension spring 16 connected to the tension spring mounting part 15, and the handle 17 connected to the rotating shaft 13, the tension spring 16 is matched with the connecting rod 14, and the rotating handle 17 can drive the connecting rod 14 to rotate, and the connecting rod 14 drives the lock tongue 12 to slide in the slide groove 11, thereby disengaging from the tooth groove 18 located on the base 1, and at the same time, the connecting rod 14 squeezes the tension spring 16 to deform it. At this time, the tabletop can be moved relative to the base 1, and after moving to a suitable position, the handle 17 is released, and the tension spring 16 pushes the lock tongue 12 to insert into the tooth groove 18, and the tabletop is locked with the base 1.

[0003] The defects of the above structure are: first, when operating the above structure, the handle needs to be rotated at a large angle to move the lock tongue out of the tooth groove. The human hand moves the table after twisting it, which is very inconvenient to operate and difficult to apply force; second, the above product structure is relatively complex, with many parts and components, and is inconvenient to install. Summary of the invention

[0004] The purpose of the present invention is to provide a surgical table top fixing mechanism to address the above-mentioned defects in the prior art, which can conveniently unlock the table top and make it more comfortable to move the table top.

[0005] To achieve the above-mentioned invention objectives, the present invention adopts the following technical solutions: a surgical bed table top fixing mechanism, which includes a seat arm slidably matched with the base of the surgical bed, and a plurality of tooth grooves are provided on the base. The fixing mechanism also includes a locking tongue slidably matched with the seat arm, a spring installed between the locking tongue and the seat arm, and an operating handle fixedly connected to the locking tongue, and the spring drives the locking tongue to extend into the tooth groove.

[0006] In addition, the present invention also proposes the following subsidiary technical solutions:

[0007] The seat plate arm is provided with a moving groove, and the locking tongue is slidably matched in the moving groove.

[0008] The locking tongue comprises a main body and extension parts extending from both sides of the main body, and the movable groove comprises a base groove matched with the extension parts and a through groove matched with the main body.

[0009] The base groove is provided with an inner bottom surface, and the spring is arranged between the inner bottom surface and the extension portion.

[0010] A boss is arranged in the base groove, and after the lock tongue is retracted into the through groove, the boss abuts against the main body.

[0011] The operating bed table top fixing mechanism also includes a cover plate connected to the seat arm, and the cover plate is located between the locking tongue and the operating handle and covers the moving groove.

[0012] The cover plate is provided with a first long hole, and the operating handle is provided with a spacer block passing through the first long hole (50b), and the spacer block abuts against the locking tongue.

[0013] The operating handle is provided with a countersunk hole penetrating the spacer block, and the fixing mechanism comprises a bolt arranged in the countersunk hole and threadedly connected with the locking tongue.

[0014] The cover plate is provided with a second long hole, and the operating handle is provided with a sliding block which is slidably matched with the second long hole.

[0015] The operating handle is provided with a protruding gripping portion, and the gripping portion is provided with an inwardly recessed arc surface suitable for being gripped by a human hand.

[0016] Compared with the prior art, the advantages of the present invention are:

[0017] 1. By setting a lock tongue that is slidably connected to the seat arm and an operating handle fixed to the lock tongue, unlocking can be completed by simply pulling the operating handle outward. After releasing the operating handle, the spring can automatically push the lock tongue into the gear seat to complete the locking, making the operation smoother and more comfortable to use;

[0018] 2. The spring is separated by the main body and the boss, which is not easy to be misplaced;

[0019] 3. The operating handle is equipped with a spacer to prevent the operating handle from squeezing the cover plate, making the operation smoother. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the fixing mechanism and the base of the present invention.

[0021] Figure 2 yes Figure 1 A bottom view of the structure shown in FIG. 2 , in which the operating handle and cover are not shown.

[0022] Figure 3 yes Figure 2 Enlarged view of part A in the middle.

[0023] Figure 4 It is a structural schematic diagram of the movable slot in the present invention.

[0024] Figure 5 It is a schematic diagram of the cover plate in the present invention.

[0025] Figure 6 It is a schematic diagram of the connection between the fixing mechanism and the seat arm in the present invention.

[0026] Figure 7 It is a cross-sectional view of the fixing mechanism and the seat arm in the present invention.

[0027] Figure 8 It is a structural schematic diagram of the cover plate in the present invention.

[0028] Fig. 9 It is a structural schematic diagram of the operating table described in the background technology.

[0029] Fig.10 It is a schematic diagram of the matching between the fixing mechanism and the tooth groove described in the background technology.

[0030] Fig.11 It is a structural schematic diagram of the fixing mechanism described in the background technology. DETAILED DESCRIPTION

[0031] The technical solution of the present invention is further described in detail below in conjunction with preferred embodiments and the accompanying drawings.

[0032] like Figure 1 As shown, a surgical table top fixing mechanism corresponding to a preferred embodiment of the present application includes a gear seat 2 installed on a base 1 and a fixing mechanism 4 connected to the table top.

[0033] A plurality of tooth grooves 20 are formed on the tooth seat 2 at equal intervals.

[0034] Further references Figure 2 and Figure 3 The fixing mechanism 4 includes a seat arm 40 connected to the table top, a slide rail 41 is connected to the side of the seat arm 40, and the slide rail 41 is connected to the base 1. The slide rail 41 can facilitate the movement of the table top. A moving groove 43 is opened on the lower surface 42 of the seat arm 40.

[0035] The fixing mechanism 4 also includes a locking tongue 44 and a spring 45 installed in the movable groove 43. The locking tongue 44 is cross-shaped, and includes a main body 48 and an extension 46 extending from both sides of the main body 48. The spring 45 is installed between the extension 46 and the inner bottom surface 47 of the movable groove 43, and pushes the locking tongue 44 toward the gear seat 2. The movable groove 43 includes a base groove 43a and a through groove 43b connected to the outside of the seat arm 40. The width of the base groove 43a is greater than the width of the through groove 43b. The extension 46 is slidably matched with the base groove 43a, and the front end of the main body 48 is located in the through groove 43b and extends out of the seat arm 40 through the through groove 43b.

[0036] There are two springs 45, which are separated by a main body 48. A boss 49 is provided on the bottom surface 47 of the base groove 43a. Preferably, the width of the boss 49 is consistent with the width of the main body 48, and it is also used to separate the two springs 45, which is convenient for spring positioning; at the same time, when the lock tongue 44 is retracted into the movable groove 43, the boss 49 can resist the lock tongue 44, limit the limit position of the lock tongue 44 retracted, and reduce unnecessary force applied by the hand; in order to further limit the position of the spring 45, refer to Figure 4 , downwardly sunken matching grooves 43c are provided on both sides of the base groove 43a, and the spring 45 is partially accommodated in the matching grooves 43c to reduce its left and right displacement.

[0037] like Figure 5 and Figure 6 As shown, the fixing mechanism 4 further comprises a cover plate 50 covering the moving groove 43 and an operating handle 51 slidably matched with the cover plate 50. The cover plate 50 is fixedly connected to the seat arm 40 by screws 57.

[0038] Further references Figure 7 The operating handle 51 is connected to the lock tongue 44 through a bolt 52. A countersunk hole 53 is provided on the operating handle 51, and a threaded hole 44a is provided on the lock tongue 44. The bolt 52 is arranged in the countersunk hole 53 and passes through the cover plate 50 to be connected to the threaded hole 44a. A spacer block 54 protruding toward the lock tongue 44 is provided on the bottom surface 51a of the operating handle 51, and a first long hole 50b for the spacer block 54 to pass through is provided on the cover plate 50. When the operating handle 51 is connected to the lock tongue 44, the spacer block 54 passes through the first long hole 50b to abut against the lock tongue 44, thereby preventing the operating handle 51 from pressing the cover plate 50, which causes the defect that the operating handle 51 is not smoothly moved.

[0039] Two protruding sliders 51 b are provided on the bottom surface 51 a of the operating handle 51 . The sliders 51 b match with two second long holes 50 a formed on the cover plate 50 . The sliders 51 b can move along the second long holes 50 a .

[0040] After the operating handle 51 is pulled away from the base 1, the operating handle 51 drives the locking tongue 44 to compress the spring 45, so that the locking tongue 44 is separated from the tooth groove 20; at this time, the table can move smoothly; when it moves to a suitable position, the operating handle 51 is released, and the spring 45 pushes the locking tongue 44 into the tooth groove 20 at the corresponding position during the process of restoring the deformation (if the locking tongue 44 fails to extend into the tooth groove 20, the table only needs to be slightly moved left and right, and the locking tongue 44 can extend into the tooth groove 20 at the adjacent position), thereby completing the locking of the table. During this operation, the operator only needs to pull the operating handle 51 outward without twisting it, which is very smooth and easy to apply force.

[0041] To further improve the comfort of use, the operating handle 51 is provided with a protruding gripping portion 55 , and a surface of the gripping portion 55 close to the base 1 is an inwardly recessed arc surface 56 , which better fits the fingers and is more convenient for force application and operation.

[0042] The fixing mechanism of the operating table top of the present invention has at least the following advantages:

[0043] 1. By setting a lock tongue that is slidably connected to the seat arm and an operating handle fixed to the lock tongue, unlocking can be completed by simply pulling the operating handle outward. After releasing the operating handle, the spring can automatically push the lock tongue into the gear seat to complete the locking, making the operation smoother and more comfortable to use;

[0044] 2. The spring is separated by the main body and the boss, which is not easy to be misplaced;

[0045] 3. The operating handle is equipped with a spacer to prevent the operating handle from squeezing the cover plate, making the operation smoother.

[0046] It should be pointed out that the above preferred embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A surgical table top fixing mechanism, comprising a seat arm (40) slidably coupled to a base (1) of the surgical table, wherein the base (1) is provided with a plurality of tooth grooves (20), characterized in that: The fixing mechanism further comprises a locking tongue (44) slidably matched with the seat arm (40), a spring (45) installed between the locking tongue (44) and the seat arm (40), and an operating handle (51) fixedly connected to the locking tongue (44), wherein the spring (45) drives the locking tongue (44) to extend into the tooth groove (20); The seat arm (40) is provided with a movable groove (43), and the locking tongue (44) is slidably engaged in the movable groove (43); The operating table top fixing mechanism further comprises a cover plate (50) connected to the seat plate arm (40), wherein the cover plate (50) is located between the locking tongue (44) and the operating handle (51) and covers the movable groove (43); The cover plate (50) is provided with a first long hole (50b), the operating handle (51) is provided with a spacer block (54) passing through the first long hole (50b), and the spacer block (54) abuts against the locking tongue (44); The operating handle (51) is provided with a countersunk hole (53) penetrating the spacer block (54), and the fixing mechanism further comprises a bolt (52) disposed in the countersunk hole (53) and threadedly connected to the locking tongue (44).

2. The operating table top fixing mechanism according to claim 1, characterized in that: The locking tongue (44) comprises a main body (48) and extensions (46) extending from both sides of the main body (48), and the movable groove (43) comprises a base groove (43a) cooperating with the extensions (46) and a through groove (43b) cooperating with the main body (48).

3. The operating table top fixing mechanism according to claim 2, characterized in that: The base groove (43a) is provided with an inner bottom surface (47), and the spring (45) is arranged between the inner bottom surface (47) and the extension portion (46).

4. The operating table top fixing mechanism according to claim 2, characterized in that: A boss (49) is provided in the base groove (43a), and after the locking tongue (44) is retracted into the through groove (43b), the boss (49) abuts against the main body (48).

5. The operating table top fixing mechanism according to claim 1, characterized in that: The cover plate (50) is provided with a second long hole (50a), and the operating handle (51) is provided with a sliding block (51b) that slidably cooperates with the second long hole (50a).

6. The operating table top fixing mechanism according to claim 1, characterized in that: The operating handle (51) is provided with a protruding gripping portion (55), and the gripping portion (55) is provided with an inwardly recessed arc surface (56) suitable for being gripped by a human hand.

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