Catheter bed base locking structure

The locking device and buffer structure driven by the electric push rod solve the problem of unstable braking of the catheter bed base during movement, achieving stable stopping and improving the stability of the catheter bed and the accuracy of the operation.

CN223944612UActive Publication Date: 2026-02-27LEPU MEDICAL EQUIP (BEIJING) CO LTD
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Patent Information

Application Number
CN202520366292.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-02-27
Estimated Expiration
2035-03-04

AI Technical Summary

Technical Problem

The existing catheter bed base is unstable during movement, especially when there is a large external force, it is easy to slip, which affects the accuracy and safety of the operation.

Method used

The locking device, driven by an electric push rod and combined with a buffer structure, achieves stable braking of the base relative to the ground through the support seat and support feet, and adjusts the reaction force through rubber pillars and adjusting shims to ensure stability.

Benefits of technology

It achieves stable stabilization of the catheter bed base under external forces, improves the positioning accuracy and safety during surgery, and enhances the overall stability of the catheter bed.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a guide pipe bed base locking structure which comprises a guide pipe bed and a movable track platform, the guide pipe bed comprises a base, the base slides relative to the movable track platform, a locking device is arranged on the base and comprises a supporting seat fixed on the base, and an upper limiting shaft seat and a lower limiting shaft seat are installed in the supporting seat at intervals. A seat plate is slidably mounted on the upper limiting shaft seat, an end seat is slidably mounted on the lower limiting shaft seat, an electric push rod is fixedly mounted on the seat plate, a telescopic rod of the electric push rod is fixedly connected with the end seat, and the bottom of the end seat is in threaded connection with a supporting foot margin capable of extending out of the movable track platform; a buffering structure used for buffering the counter-acting force of the seat plate is further arranged in the supporting seat. The supporting seat is fixed on the base of the conduit bed, and when the telescopic rod of the electric push rod extends, the end seat is pushed to slide relative to the lower limiting shaft seat so as to drive the supporting foot margin to abut against the ground to form a braking state of the base relative to the ground.
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Description

TECHNICAL FIELD

[0001] The utility model relates to conduit bed technical field especially relates to a conduit bed base locking structure. BACKGROUND

[0002] The compound operating room is through the 3D imaging technology of DSA, CT, MRI and so on and the comprehensive integration of surgery in the hundred level laminar flow operating room, realizes the combination of minimally invasive interventional surgery and traditional surgical open surgery, thereby solves various complex surgeries, reduces the operation risk, saves the operation time.

[0003] The operating bed commonly used in the compound operating room is a conduit bed with front, rear, left and right tilt adjustment and can realize relative position movement, the bed plate moving stroke of the conduit bed is 1200mm, and the whole conduit bed base is installed on the moving rail platform and can also move 1000mm integrally, thereby can satisfy larger stroke movement adjustment.

[0004] The whole conduit bed needs to realize the braking relative to the ground during the movement of the base relative to the moving rail platform, thereby guaranteeing that the conduit bed can keep the position unmoved during the specific use, the existing design generally realizes the braking through the foot pedal structure, and the relative sliding risk still exists under the condition that the external larger force is generated during the braking through the relative braking between the base and the moving rail platform. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a conduit bed base locking structure, realizes the braking of the base of the conduit bed relative to the ground, guarantees that the conduit bed position is unmoved, and realizes the reaction force buffering during the braking, guarantees the stability.

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A conduit bed base locking structure, including conduit bed and moving rail platform, the conduit bed includes the base, the base slides relative to the moving rail platform, the locking device is equipped on the base, the locking device includes the support seat fixed on the base, the upper limit position axle seat and the lower limit position axle seat are installed in the support seat, the seat plate is slidably installed on the upper limit position axle seat, the end seat is slidably installed on the lower limit position axle seat, the electric push rod is fixedly installed on the seat plate, the telescopic rod of the electric push rod is fixedly connected with the end seat, the support foot that can extend the moving rail platform is screw-connected on the bottom of the end seat, the buffer structure for buffering the reaction force of the seat plate is further equipped in the support seat.

[0008] Preferably, the buffer structure includes the rubber column installed in the support seat, the rubber column is abutted on the seat plate, and a plurality of adjusting washers are stacked and arranged on the rubber column.

[0009] Preferably, the support base is provided with a bolt group, which is locked onto the base.

[0010] Preferably, a first bushing is installed inside the upper limit bearing, and the seat plate is slidably mounted on the first bushing.

[0011] Preferably, a second bushing is installed inside the lower limit bearing, and the end seat slides through the second bushing.

[0012] Preferably, the mobile track platform has a process hole, and the supporting feet pass through the process hole.

[0013] Preferably, at least one locking nut is threadedly connected between the supporting foot and the end seat.

[0014] Preferably, the support base is a rectangular frame.

[0015] Beneficial effects:

[0016] By fixing the support base to the base of the guide bed, when the telescopic rod of the electric push rod extends, it pushes the end seat to slide relative to the lower limit shaft seat, thereby driving the support foot to abut against the ground and forming a braking state of the base relative to the ground. The reverse force generated by the push force applied by the electric push rod is buffered by the buffer structure to buffer the seat plate, thereby ensuring the structural stability of the entire locking device on the base and continuously outputting a stable push force. Thus, even under a certain external force, it can ensure that the guide bed is relatively stationary relative to the ground and will not move relative to the moving track platform. The position in the stationary state is more accurate. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the side view structure;

[0019] Figure 3 This is a schematic diagram of the locking device in an embodiment of the present invention;

[0020] exist Figures 1 to 3 In the diagram, the correspondence between component names or lines and the drawing numbers is as follows:

[0021] 1. Guide bed; 2. Moving track platform; 3. Base; 4. Locking device; 41. Support seat; 42. Upper limit shaft seat; 43. Lower limit shaft seat; 45. Seat plate; 46. End seat; 47. Electric push rod; 48. Support foot; 49. Buffer structure; 491. Rubber column; 492. Adjusting shim; 410. Bolt group; 411. Locking nut. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0023] Referring to Figures 1-3 The utility model discloses an embodiment proposes a catheter bed base locking structure, including catheter bed 1 and mobile track platform 2, the catheter bed 1 includes base 3, the base 3 is relative to the mobile track platform 2 sliding, catheter bed 1, base 3 and mobile track platform 2 are all the existing structure of the present catheter bed 1 application, and the catheter bed 1 is movable 1000mm's stroke adjustment relative to the mobile track platform 2 through base 3, and the entire catheter bed 1 needs to be braked after the specific base 3 relative movement is in place, and relative to the ground braking can guarantee the accuracy of the specific moving position and improve the braking stability. Therefore, locking device 4 is equipped on the base 3, the locking device 4 includes the support seat 41 fixed on the base 3, the upper limit shaft seat 42 and the lower limit shaft seat 43 are installed in the support seat 41 interval, the seat plate 45 is slidably installed on the upper limit shaft seat 42, the end seat 46 is slidably installed on the lower limit shaft seat 43, the electric push rod 47 is fixedly installed on the seat plate 45, the telescopic rod of the electric push rod 47 is fixedly connected with the end seat 46, and the support footing 48 that can extend the mobile track platform 2 is screw-connected on the bottom of the end seat 46. Through the upper limit shaft seat 42 to the seat plate 45 sliding installation, the lower limit shaft seat 43 to the end seat 46 sliding installation, when the telescopic rod of the electric push rod 47 is elongated, the end seat 46 and the support footing 48 are moved to abut on the ground, and the reaction force generated will make the seat plate 45 and the electric push rod 47 main body move upwards until the movement is limited by the support seat 41, so that the stable stop state is kept. In order to adjust the reaction force and realize the buffering, guarantee the installation structure stability of the support seat 41, the buffering structure 49 for buffering the reaction force of the seat plate 45 is further provided in the support seat 41, the movement of the seat plate 45 is buffered through the buffering structure 49, and the relative moving distance can be adjusted, so that the electric push rod 47 can be reversely limited during the braking process.

[0024] By adopting the installation mode of overall relative sliding, the volume of the support seat 41 can also be controlled, and large stroke telescopic adjustment can be realized in a smaller volume space.

[0025] Specifically, the buffer structure 49 comprises rubber columns 491 which are spaced apart and mounted on the support base 41, the rubber columns 491 abut against the seat plate 45, and a plurality of adjusting washers 492 are sleeved on the rubber columns 491, the buffer is formed by the rubber columns 491 being pushed and compressed by the seat plate 45, and the moving stroke of the buffer can be adjusted by sleeving the adjusting washers 492 on the rubber columns 491.

[0026] Meanwhile, the support base 41 is provided with a bolt set 410 which is locked on the base 3, and the support base 41 is reliably fixed on the base 3 through the bolt set 410.

[0027] Specifically, a first shaft sleeve is mounted in the upper limiting shaft seat, the seat plate 45 is slidingly mounted on the first shaft sleeve, the first shaft sleeve can adopt a copper sleeve structure to ensure the sliding guidance of the seat plate 45 and wear resistance, and meanwhile, a second shaft sleeve is mounted in the lower limiting shaft seat, the end seat 46 slidingly passes through the second shaft sleeve, and the second shaft sleeve also adopts a copper sleeve structure to realize the relative sliding guidance and wear resistance of the end seat 46.

[0028] In order to enable the support foot 48 to pass through the moving track platform 2 and abut against the ground, a process hole is formed in the moving track platform 2, the support foot 48 passes through the process hole, the process hole is a strip-shaped hole, and the support foot 48 can pass through the moving track platform 2 to contact the ground at any position on the moving path of the base 3.

[0029] Meanwhile, at least one locking nut 411 is threadedly connected between the support foot 48 and the end seat 46, the support foot 48 is threadedly matched with respect to the end seat 46 to realize height adjustment of the support foot 48, and the support foot 48 after height adjustment is locked through the locking nut 411.

[0030] In order to ensure that the support base 41 has a stable structure and meets the installation of various internal parts, the support base 41 is a rectangular frame, and the overall structure can adopt a welding mode or a sheet metal forming mode to ensure the support strength of the overall structure.

[0031] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "joint", "fix" and the like terms should be understood in a broad sense, for example, can be fixed connection, also can be detachable connection, or be integrated, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through the intermediate medium, can be the communication of two elements or the interaction of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, or is the orientation or position relation of the utility model product when it is usually placed, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

[0033] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

Claims

1. A conduit bed base locking structure comprising a conduit bed (1) and a moving track platform (2), the conduit bed (1) comprising a base (3) which slides relative to the moving track platform (2), characterized in that: The base (3) is provided with a locking device (4), the locking device (4) includes a support seat (41) fixed on the base (3), the support seat (41) is provided with an upper limiting shaft seat (42) and a lower limiting shaft seat (43) at intervals, the upper limiting shaft seat (42) is provided with a seat plate (45) slidingly installed, the lower limiting shaft seat (43) is provided with an end seat (46) slidingly installed, the seat plate (45) is fixedly provided with an electric push rod (47), the telescopic rod of the electric push rod (47) is fixedly connected with the end seat (46), the bottom of the end seat (46) is threadedly connected with a supporting foot (48) which can extend out of the moving track platform (2). The support seat (41) is further provided with a buffer structure (49) for buffering the reaction force of the seat plate (45).

2. The conduit bed base locking structure according to claim 1, characterized by: The buffer structure (49) includes rubber columns (491) which are installed at intervals on the support seat (41) and abut against the seat plate (45), and the rubber columns (491) are stacked with a plurality of adjusting washers (492).

3. The conduit bed base locking structure according to claim 2, wherein: The support seat (41) is provided with a bolt group (410), and the bolt group (410) is locked on the base (3).

4. The conduit bed base locking structure according to claim 3, wherein: The upper limiting shaft seat (42) is provided with a first shaft sleeve, and the seat plate (45) is slidingly installed on the first shaft sleeve.

5. A conduit bed base locking structure according to claim 4, wherein: The lower limiting shaft seat (43) is provided with a second shaft sleeve, and the end seat (46) slidingly passes through the second shaft sleeve.

6. A conduit bed base locking structure according to claim 5, wherein: The moving track platform (2) is provided with a process hole, and the supporting foot (48) passes through the process hole.

7. A conduit bed base locking structure according to any one of claims 1 to 6, wherein: The supporting foot (48) and the end seat (46) are further provided with at least one locking nut (411) which is threadedly connected.

8. A conduit bed base locking structure according to claim 7, wherein: The support seat (41) is a rectangular frame.