Universal stepless positioning fixator

By designing a universal stepless positioning and fixing device, the support column can be rotated and fixed at any angle using the clamp body and rotation adjustment device. This solves the positioning dead angle and slippage problems of existing fixing devices, and enhances the flexibility and stability of the application scenarios.

CN224039541UActive Publication Date: 2026-03-27SHANGHAI FEIMAN MEDICAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing medical bed fixation devices have clamps that cannot rotate at any angle, resulting in positioning blind spots. Furthermore, the clamp opening size is fixed, making them prone to slipping, thus limiting their application scenarios.

Method used

The universal stepless positioning and fixing device includes a clamp body and a rotation adjustment device. Through the combination of locking block, friction plate, locking cylinder, clamping screw, intermediate cross column and connecting screw tube, the support column can be rotated and fixed at any angle. Combined with spring and top rod design, it provides adjustable opening size and stable clamping.

Benefits of technology

It enables the support column to be rotated and fixed at any angle, avoiding positioning dead angles, and also solves the problem of adjustable clamp opening size to prevent slippage, thus enhancing the flexibility and stability of the application scenarios.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a universal stepless positioning fixator which comprises a clamp body and a rotation adjusting device. A connecting hole is formed in the middle of the clamp body, and abutting block mounting holes are formed in the left side and the right side of the connecting hole; the rotary adjusting device comprises a locking block, a friction plate, an abutting block, a locking cylinder, a pressing screw rod, a middle transverse column, a connecting screw tube and a locking stud; a first through hole is formed in the middle of the locking block, the friction plate is arranged on the side face of the locking block in a sleeving mode, and two abutting blocks matched with the abutting block mounting holes are fixedly connected to one end face of the locking block; a through second through hole is formed in the middle of the locking cylinder, a locking groove is formed in one end of the locking cylinder, and a through supporting column mounting hole is formed in the side face of the locking cylinder; one end of the middle transverse column is fixedly connected with a connecting screw pipe, a sliding hole is formed in the side face of the middle transverse column, and a threaded hole communicated with the sliding hole is formed in the other end of the middle transverse column. The locking stud is connected with the connecting screw tube; and the pressing screw rod is connected with the threaded hole.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field more specifically, relate to a kind of universal endless positioning fixer. BACKGROUND

[0002] Medical bed refers to appliance or other articles used on human body, its effect on human body surface is not applicable pharmacology, immunology or metabolic means, but these means can be involved and play certain auxiliary role;Its use aims to achieve the following intended purposes: prevention, diagnosis, treatment, monitoring, mitigation of disease;Diagnosis, treatment, monitoring, mitigation, compensation of injury or disability.

[0003] Generally, some auxiliary equipment is fixed on the edge long plate of medical bed, and the position of these auxiliary equipment can be adjusted according to actual situation, so the fixer is generally used to fix these auxiliary equipment. The fixer of the prior art is usually fixed by a fixed block sliding with the long plate, a locking rod threaded with the fixed block, and a support column abutting with the locking rod, so that the auxiliary equipment on the support column can be fixed at the edge of the medical bed.

[0004] For example, Chinese patent document CN215535889U, published on January 18, 2022, discloses a medical bed fixer, which comprises a fixer main body, the fixer main body comprising a first locking main body and a second locking main body, the first locking main body comprising a middle cross column and a first locking block, the middle cross column being fixedly provided with a connecting small column at one end and threaded with a locking handle at the other end, the first locking block being sleeved with the connecting small column, and the first locking block being fixedly provided with an abutting block at one side; the second locking main body comprising a second locking block, the second locking block being provided with a bed plate mounting groove, the second locking block being sleeved with the abutting block, and the second locking block being threaded with the connecting small column; the abutting block extends into the bed plate mounting groove, the abutting block is provided with a first abutting inclined surface, and the second locking block is provided with a second abutting inclined surface, the second abutting inclined surface being symmetrical with the first abutting inclined surface. The compact cooperation of the overall structure can fix the support column and fix the overall structure on the long plate at the edge of the medical bed.

[0005] However, the opening size of the second locking block is fixed, which limits the use of the second locking block to the head of the leg plate, hand plate, etc., and the opening size of the clamp is fixed, which is easy to slide off the leg plate, hand plate, etc.

[0006] On the other hand, the first ring type sawtooth abutting surface of the locking cylinder and the second ring type sawtooth abutting surface of the first locking block are in contact to meshing contact to complete the locking action, but the positioning dead angle exists through the ring type sawtooth meshing positioning, which cannot rotate at any angle.

[0007] The foregoing description is to provide general background information and may not constitute prior art. Utility model content

[0008] The utility model discloses a kind of universal endless positioning fixators, the universal endless positioning fixator can rotate any angle, there is no dead angle of positioning.

[0009] The utility model provides a kind of universal endless positioning fixator, including clamp body and rotating adjusting device;Connecting hole is equipped in the middle part of the clamp body, and the left and right sides of the connecting hole are equipped with abutment block mounting hole;The rotating adjusting device includes locking block, friction plate, abutment block, locking cylinder, compression screw, intermediate cross column, connecting screw pipe and locking stud;First through-hole is equipped in the middle part of the locking block, the friction plate is sleeved in the side of the locking block, and two and the abutment block mounting hole cooperation abutment block are fixedly connected on the end surface of the locking block;The middle part of the locking cylinder is equipped with the second through-hole that penetrates, locking groove is equipped in one end of the locking cylinder, and the side of the locking cylinder is equipped with the support column mounting hole that penetrates;One end of the intermediate cross column is fixedly connected with the connecting screw pipe, the side of the intermediate cross column is equipped with sliding hole, and the other end of the intermediate cross column is equipped with the threaded hole that is communicated with the sliding hole;The abutment block is inserted into the abutment block mounting hole, the locking block and the friction plate are located in the locking groove, the intermediate cross column is respectively inserted into the second through-hole and the first through-hole, the connecting screw pipe is located in the connecting hole, the locking stud is connected with the connecting screw pipe, and the clamp body and the intermediate cross column are fixedly connected;The compression screw is connected with the threaded hole.

[0010] Using the above technical scheme, when using, clamp body is clamped on operating bed track, support column passes through support column mounting hole and sliding hole;Rotating compression screw, the end of compression screw will push support column to move forward in sliding hole, the side of support column will push locking cylinder to move forward through support column mounting hole, so as to clamp friction plate between locking block and locking cylinder, and the rotation angle is locked;Locking cylinder can rotate any angle around intermediate cross column, and is locked by rotating compression screw, without dead angle of positioning limitation;In addition, when locking cylinder advances, abutment block on locking block will advance in abutment block mounting hole, and then is compressed on operating bed track, to further play the effect of fixing.

[0011] Further, the clamp body includes an upper end clamp, a lower end clamp, a spring, and a top rod. The lower end of the upper end clamp is provided with a connecting groove, two mounting holes are arranged in the connecting groove, and the spring and the top rod are mounted in the mounting holes. One end of the lower end clamp is provided with a connecting head, two clamping grooves matched with the top rod are arranged on the side of the connecting head, the connecting head is clamped in the connecting groove, and the top rod is clamped in the clamping grooves.

[0012] The surgical bed rail is clamped between the upper end clamp and the lower end clamp, and the lower end clamp, spring and top rod are designed to make the lower end clamp rotate around the connecting groove, and the spring pushes the top rod to provide the force for the lower end clamp to clamp the surgical bed rail.

[0013] Further, the locking block, the friction plate and the locking groove are all conical.

[0014] Further, the abutting block mounting hole is a waist-shaped hole.

[0015] Further, the support column mounting hole comprises a large circular arc edge and a small circular arc edge.

[0016] Further, the universal endless positioning fixer further comprises a handle, which is hinged at the end of the compression screw rod.

[0017] Further, the upper end of the upper end clamp is provided with two upper end hooks, and the two upper end hooks are perpendicular to the front face of the upper end clamp; the lower end of the upper end clamp is provided with two lower end hooks matched with the upper end hooks, and the lower end hooks are perpendicular to the front face of the upper end clamp; the outer face of the lower end hook is provided with an arc face.

[0018] Further, the cross section of the lower end clamp is arc-shaped as a whole, and the lower end clamp hook is arranged at the end of the lower end clamp away from the connecting head; the inner face of the lower end clamp is provided with an arc-shaped groove; when the connecting head is clamped in the connecting groove, the arc-shaped groove is wrapped on the arc face.

[0019] The universal endless positioning fixer of the utility model, when in use, clamps the clamp body on the surgical bed rail, and the support column passes through the support column mounting hole and the sliding hole; the compression screw rod is rotated, the end of the compression screw rod pushes the support column to move forward in the sliding hole, the side face of the support column pushes the locking cylinder to move forward through the support column mounting hole, so that the friction plate is clamped between the locking block and the locking cylinder, and the rotation angle is locked; the locking cylinder can rotate at any angle around the middle vertical column, and is locked through the rotation of the compression screw rod, without the limitation of positioning dead angle; in addition, when the locking cylinder advances, the abutting block on the locking block advances in the abutting block mounting hole, and is further pressed on the surgical bed rail, so that the fixing effect is further achieved; the surgical bed rail is clamped between the upper end clamp and the lower end clamp, and the lower end clamp, spring and top rod are designed to make the lower end clamp rotate around the connecting groove, and the spring pushes the top rod to provide the force for the lower end clamp to clamp the surgical bed rail; meanwhile, the opening size of the clamp body is adjustable, so that the technical problem that the existing clamp can only be sleeved from the head of the leg plate, hand plate and the like, and the use scene is limited is solved; the spring pushes the top rod to provide the force for the lower end clamp to clamp the surgical bed rail, so that the technical problem that the opening size of the existing clamp is fixed and the clamp is easy to slide off the leg plate, hand plate and the like is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 The structure schematic view of the universal endless positioning fixer is provided.

[0021] Figure 2 For Figure 1 The explosion view of the universal endless positioning fixer.

[0022] Figure 3 For Figure 1 The sectional structure schematic view of the universal endless positioning fixer.

[0023] Figure 4 For Figure 1 The structure schematic view of the clamp body of the universal endless positioning fixer.

[0024] Figure 5 For Figure 1 The structure schematic view of the lower end clamp of the universal endless positioning fixer.

[0025] Figure 6 For Figure 1 The structure schematic view of the middle cross column of the universal endless positioning fixer.

[0026] Figure 7 For Figure 1 The plane structure schematic view of the universal endless positioning fixer.

[0027] The reference signs and components involved in the drawings are shown as follows:

[0028] 100, clamp body 110, connecting hole 120, abutting block mounting hole

[0029] 130, upper end clamp 131, connecting groove 132, mounting hole

[0030] 133, upper end hook 134, lower end hook 135, arc surface

[0031] 140, lower end clamp 141, connecting head 142, clamping groove

[0032] 143, lower end clamp hook 144, arc-shaped recess 150, spring

[0033] 160, top rod 200, rotary adjusting device 210, locking block

[0034] 211, first through hole 220, friction plate 230, abutting block

[0035] 240, locking cylinder 241, second through hole 242, locking groove

[0036] 243, support column mounting hole 244, large circular arc edge 245, small circular arc edge

[0037] 250, compression screw 260, intermediate cross column 261, sliding hole

[0038] 262, threaded hole 270, connecting screw pipe 280, locking stud

[0039] 300, operating bed rail 400, support column 500, handle DETAILED DESCRIPTION

[0040] The specific embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0041] The terms "first", "second", "third", "fourth" and the like in the specification and claims of the utility model are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence.

[0042] Example 1

[0043] Figure 1 The structure schematic view of the universal endless positioning fixator provided for the utility model embodiment, Figure 2 The Figure 1 The explosion view of the universal endless positioning fixator, Figure 3 The Figure 1 The cross-sectional structure schematic view of the universal endless positioning fixator, Figure 6 The Figure 1 The structure schematic view of the intermediate cross column of the universal endless positioning fixator. Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 6The utility model discloses a universal endless positioning fixer, including clamp body 100 and rotation adjusting device 200, the middle part of clamp body 100 is equipped with connecting hole 110, and the left and right sides of connecting hole 110 are equipped with abutment block mounting hole 120, rotation adjusting device 200 includes locking block 210, friction plate 220, abutment block 230, locking cylinder 240, compression screw 250, intermediate cross column 260, connecting screw pipe 270 and locking stud 280, the middle part of locking block 210 is equipped with first through -hole 211, friction plate 220 is set in the side of locking block 210, and the one end surface of locking block 210 is fixedly connected with two and the abutment block mounting hole 120 cooperation's abutment block 230, the middle part of locking cylinder 240 is equipped with the second through -hole 241 of going through, and one end of locking cylinder 240 is equipped with locking groove 242, and the side of locking cylinder 240 is equipped with the support column mounting hole 243 of going through, one end of intermediate cross column 260 is fixedly connected with connecting screw pipe 270, and the side of intermediate cross column 260 is equipped with sliding hole 261, and the other end of intermediate cross column 260 is equipped with the threaded hole 262 of the communication of sliding hole 261, abutment block 230 is inserted in abutment block mounting hole 120, locking block 210 and friction plate 220 are located in locking groove 242, intermediate cross column 260 respectively passes into second through -hole 241 and first through -hole 211, connecting screw pipe 270 is located in connecting hole 110, locking stud 280 and connecting screw pipe 270 are connected, and fixedly connected between clamp body 100 and intermediate cross column 260, compression screw 250 and threaded hole 262 are connected.

[0044] The utility model discloses a universal endless positioning fixer, when using clamp body 100 clamping on the operating bed track 300, support column 400 passes through support column mounting hole 243 and sliding hole 261, rotates compression screw 250, and the end of compression screw 250 will push support column and move forward in sliding hole 261, and the side of support column 400 will push locking cylinder 240 and move forward through support column mounting hole 243, to clamp friction plate 220 between locking block 210 and locking cylinder 240, and lock the rotation angle, in addition, locking cylinder 240 will drive abutment block 230 on locking block 210 and advance in abutment block mounting hole 120, and then compress on operating bed track 300, further play the fixed effect.

[0045] It is to be noted that locking cylinder 240 can rotate any angle around intermediate cross column 260 and be locked through rotating compression screw 250, and there is no dead angle limit.

[0046] Figure 4 For Figure 1Structure diagram of the clamp body of the universal endless positioning fixer, Figure 5 For Figure 1 Structure diagram of the lower end clamp of the universal endless positioning fixer, Figure 7 For Figure 1 Structure diagram of the universal endless positioning fixer. Please refer to Figure 4 、 Figure 5 、 Figure 7 The clamp body 100 comprises an upper end clamp 130, a lower end clamp 140, a spring 150 and a top rod 160; the lower end of the upper end clamp 130 is provided with a connecting groove 131, two mounting holes 132 are arranged in the connecting groove 131, and the spring 150 and the top rod 160 are arranged in the mounting holes 132; one end of the lower end clamp 140 is provided with a connecting head 141, two clamping grooves 142 matched with the top rod 160 are arranged on the side surface of the connecting head 141, the connecting head 141 is clamped in the connecting groove 131, and the top rod 160 is clamped in the clamping groove 142.

[0047] It should be noted that the surgical bed track 300 is clamped between the upper end clamp 130 and the lower end clamp 140, and meanwhile, the lower end clamp 140, the spring 150 and the top rod 160 are designed, so that the lower end clamp 140 rotates around the connecting groove 131, and meanwhile, the spring 150 pushes the top rod 160 to provide a clamping force of the surgical bed track 300 for the lower end clamp 140; the opening size of the clamp body 100 is adjustable, so that the technical problem that the existing clamp can only be sleeved from the head of a leg plate, a hand plate and the like and the use scene is limited is solved; the spring 150 pushes the top rod 160 to provide a clamping force of the surgical bed track 300 for the lower end clamp 140, so that the technical problem that the opening size of the existing clamp is fixed and the clamp is prone to sliding off the leg plate, the hand plate and the like is solved.

[0048] Further referring to Figure 2 、 Figure 3 、 Figure 4 The locking block 210, the friction plate 220 and the locking groove 242 are all conical in shape; the abutting block mounting hole 120 is a waist-shaped hole; the support column mounting hole 243 comprises a large circular arc edge 244 and a small circular arc edge 245; the universal endless positioning fixer further comprises a handle 500, and the handle 500 is hinged to the end of the pressing screw 250.

[0049] Further referring to Figure 4 、 Figure 5 、 Figure 7The utility model discloses a upper end clamp 130's upper end is equipped with two upper end hooks 133, two upper end hooks 133 with the front of upper end clamp 130 is perpendicular, be equipped with two with the cooperation of lower end hook 134 of upper end hook 133 in the lower end of upper end clamp 130, lower end hook 134 with the front of upper end clamp 130 is perpendicular, the outside of lower end hook 134 is equipped with arc surface 135, the cross section of lower end clamp 140 is arc shape as a whole, be equipped with lower end clamp hook 143 on the end of lower end clamp 140 away from connecting head 141, the inner face of lower end clamp 140 is equipped with arc recess 144, when connecting head 141 is engaged in connecting groove 131, arc recess 144 is wrapped on arc surface 135.

[0050] Based on the foregoing description, the utility model has the advantages that:

[0051] 1, the utility model discloses a universal endless positioning fixer, when using, clamp body 100 is clamped on the operating bed track 300, and support column 400 passes through support column mounting hole 243 and slide hole 261, and rotating compression screw 250, and the end of compression screw 250 will push support column to move forward in slide hole 261, and the side of support column 400 will push locking cylinder 240 to move forward through support column mounting hole 243, so that friction plate 220 is clamped between locking block 210 and locking cylinder 240, and the rotation angle is locked, in addition, when locking cylinder 240 advances, the abutting block 230 on locking block 210 will advance in abutting block mounting hole 120, and then is pressed on operating bed track 300, and further plays a fixing effect, and locking cylinder 240 can rotate any angle around middle cross column 260 and is locked through rotating compression screw 250, and there is no positioning dead angle limit.

[0052] 2, the utility model discloses a universal endless positioning fixer, and operating bed track 300 is clamped between upper end clamp 130 and lower end clamp 140, and the design of lower end clamp 140, spring 150 and jacking rod 160 makes lower end clamp 140 rotate around connecting groove 131, and spring 150 will push jacking rod 160 to provide the force that clamps operating bed track 300 for lower end clamp 140, the size of the mouth of clamp body 100 is adjustable, and the technical problem that the existing clamp can only be sleeved from the head of leg plate, hand plate and the like, and the use scene is limited is solved, spring 150 will push jacking rod 160 to provide the force that clamps operating bed track 300 for lower end clamp 140, and the technical problem that the existing clamp mouth size is fixed and is easy to slide off from leg plate, hand plate and the like is solved.

[0053] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A universal endless positioning fixator, characterized in that, The utility model provides a clamp body (100) and rotation adjusting device (200), are equipped with connecting hole (110) in the middle part of clamp body (100), are equipped with abutment block mounting hole (120) on both sides of connecting hole (110), The rotation adjusting device (200) includes a locking block (210), a friction plate (220), an abutment block (230), a locking cylinder (240), a compression screw (250), an intermediate cross column (260), a connecting screw pipe (270), and a locking stud (280). A first through hole (211) is arranged in the middle part of the locking block (210), the friction plate (220) is sleeved on the side surface of the locking block (210), and two abutment blocks (230) matched with the abutment block mounting hole (120) are fixedly connected to one end surface of the locking block (210). A second through hole (241) penetrating through the middle part of the locking cylinder (240) is arranged, a locking groove (242) is arranged at one end of the locking cylinder (240), and a support column mounting hole (243) penetrating through the side surface of the locking cylinder (240) is arranged. One end of the intermediate cross column (260) is fixedly connected with the connecting screw pipe (270), a sliding hole (261) is arranged on the side surface of the intermediate cross column (260), and a threaded hole (262) in communication with the sliding hole (261) is arranged at the other end of the intermediate cross column (260). The abutment block (230) is inserted into the abutment block mounting hole (120), the locking block (210) and the friction plate (220) are located in the locking groove (242), the intermediate cross column (260) penetrates through the second through hole (241) and the first through hole (211) respectively, the connecting screw pipe (270) is located in the connecting hole (110), the locking stud (280) is connected with the connecting screw pipe (270), and the clamp body (100) and the intermediate cross column (260) are fixedly connected; and the compression screw (250) is connected with the threaded hole (262).

2. The universal endless positioning fixture according to claim 1, wherein, The clamp body (100) includes an upper end clamp (130), a lower end clamp (140), a spring (150), and a top rod (160). A connecting groove (131) is arranged at the lower end of the upper end clamp (130), two mounting holes (132) are arranged in the connecting groove (131), and the spring (150) and the top rod (160) are mounted in the mounting holes (132). One end of the lower end clamp (140) is provided with a connecting head (141), two clamping grooves (142) matched with the top rod (160) are arranged on the side surface of the connecting head (141), the connecting head (141) is clamped in the connecting groove (131), and the top rod (160) is clamped in the clamping groove (142).

3. The universal endless positioning fixture according to claim 1, wherein, The locking block (210), the friction plate (220), and the locking groove (242) are all conical in shape.

4. The universal endless positioning fixture according to claim 1, wherein, The abutment block mounting hole (120) is a waist-shaped hole.

5. The universal endless positioning fixture according to claim 1, wherein, The support column mounting hole (243) includes a large circular arc edge (244) and a small circular arc edge (245).

6. The universal endless positioning fixture according to claim 1, wherein, The universal endless positioning fixator further comprises a handle (500) hinged at the end of the compression screw (250).

7. The universal endless positioning fixture according to claim 2, wherein, The upper end of the upper end clamp (130) is provided with two upper end hooks (133) which are perpendicular to the front of the upper end clamp (130). The lower end of the upper end clamp (130) is provided with two lower end hooks (134) matched with the upper end hooks (133), and the lower end hooks (134) are perpendicular to the front of the upper end clamp (130); the outer surface of the lower end hooks (134) is provided with an arc surface (135).

8. The universal endless positioning fixture according to claim 7, wherein, The cross section of the lower end clamp (140) is arc-shaped as a whole, and the lower end clamp (140) is provided with a lower end clamp hook (143) at the end away from the connecting head (141); the inner surface of the lower end clamp (140) is provided with an arc-shaped recess (144); when the connecting head (141) is clamped in the connecting groove (131), the arc-shaped recess (144) is wrapped on the arc surface (135).

Citation Information

Patent Citations

  • Medical bed fixator

    CN215535889U