Quick handle fixing assembly

By designing a quick fixing component of the handle, which consists of a fixed connecting seat, a movable clamp column, an adjustment sleeve and a spring, the problem of loose bolt fixing method is solved, and the fast and stable fixing of the handle is achieved, ensuring the stable limit of the syringe.

CN223275734UActive Publication Date: 2025-08-29HEDY MEDICAL DEVICE CO LTD
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Patent Information

Application Number
CN202422163751.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-08-29
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The handle fixing method of the existing syringe pump is tightened by bolts. The contact area between the bolt end and the bolt is small, which is easy to loosen and leads to the displacement of the handle, affecting the limit fixing effect.

Method used

The quick fixing component of the handle is made of a fixed connecting seat, a movable clamp column, an adjusting slide sleeve, a manual nut and a spring blade. The synchronous movement of the movable clamp column is achieved through the cooperation of the slider and the oblique sliding hole, increasing the rotation resistance of the manual nut, and ensuring stable clamping of the handle.

Benefits of technology

It realizes fast and stable fixation of the handle, avoids loosening of the manual nut, improves the limit fixation effect, and ensures the stability of the syringe.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a quick handle fixing assembly, and relates to the technical field of fixing assemblies. The fixed connecting seat is fixedly connected with the injection pump, the fixed connecting seat is connected to the outer part of a pull rod of the handle, three movable clamping columns are connected in the fixed connecting seat in a surrounding manner, and the three movable clamping columns are perpendicular to one another; an adjusting sliding sleeve is arranged outside the fixed connecting seat in a sleeving manner, and is connected with the three movable clamping columns; and a manual nut is connected to the outer part of the fixed connecting seat. The adjusting sliding sleeve is driven by the manual nut to move outwards, the sliding block gradually moves to the inner end from the outer end of the inclined sliding hole, the adjusting sliding sleeve drives the movable clamping column to move inwards, the inner end of the movable clamping column makes close contact with a pull rod of a handle, and the pull rod of the handle is clamped and fixed through the movable clamping column. And thrust is applied to the adjusting sliding sleeve through the spring piece, so that the adjusting sliding sleeve is in tight contact with the manual nut, the rotation resistance of the manual nut is increased, and the situation that the manual nut is loosened is effectively avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of fixing components, in particular to a handle quick fixing component. Background Art

[0002] With the continuous development of medical devices, syringe pumps have been widely used. Syringe pumps are a kind of medical device composed of a stepper motor and its driver, screw and bracket. During use, the syringe needs to be limited and fixed by the handle equipped with the syringe pump.

[0003] Currently, the bolt fixing method for syringe pumps mostly uses bolt tightening to fix the handle. The contact area between the bolt end and the bolt is small, which makes it very easy for the loosening to cause the handle to move, affecting the handle's effect of limiting and fixing the syringe. Utility Model Content

[0004] The present disclosure relates to a quick-fixing assembly for a handle, which solves the problem that the existing bolt fixing method for syringe pumps usually uses bolt tightening to fix the handle. The contact area between the bolt end and the bolt is small, which makes it very easy for the loosening to cause the handle to move, thus affecting the effect of the handle on limiting and fixing the syringe.

[0005] In a first aspect of the present disclosure, a quick fixing assembly of a handle is provided, which specifically includes: a fixed seat, a movable clamping column, an adjusting sleeve, a manual nut and a spring sheet; the fixed seat is fixedly connected to the injection pump, and the fixed seat is connected to the outside of the pull rod of the handle, and the interior of the fixed seat is connected with three movable clamping columns in a circumferential shape, and the three movable clamping columns are 120 degrees apart from each other; the exterior of the fixed seat is provided with an adjusting sleeve, and the adjusting sleeve is connected to the three movable clamping columns; the exterior of the fixed seat is connected with a manual nut, and the exterior of the adjusting sleeve is connected with three spring sheets in a circumferential shape.

[0006] Furthermore, the interior of the fixed seat is hollow, and the pull rod of the handle slides through the interior of the fixed seat.

[0007] Furthermore, three guide holes are arranged in a circumferential shape on the outside of the fixed seat, the guide holes are connected to the inner and outer sides of the fixed seat, the movable clamping column is slidably connected to the guide holes provided in the fixed seat, and the inner end of the movable clamping column contacts the pull rod of the handle.

[0008] Furthermore, the adjusting sleeve is slidably connected to the outer side of the fixed connecting seat, and three connecting grooves are arranged in a circumferential shape on the outer side of the adjusting sleeve. The outer end of the movable clamping column is located in the connecting grooves provided on the adjusting sleeve.

[0009] Furthermore, inclined sliding holes are provided on both sides of the connecting groove, and two sliders are provided near the outer end of the movable clamping column. The sliders provided on the movable clamping column are slidably connected to the inclined sliding holes. Through the sliding cooperation between the sliders and the inclined sliding holes, the adjusting sleeve can drive the movable clamping column to move synchronously.

[0010] Furthermore, the outside of the fixed seat is provided with an external thread, and the manual nut is threadedly connected to the outside of the fixed seat. One side of the manual nut is in contact with the adjusting sleeve. The manual nut drives the adjusting sleeve to move outward, and the slider gradually moves from the outer end of the inclined sliding hole to the inner end. The adjusting sleeve drives the movable clamping column to move inward, so that the inner end of the movable clamping column is in close contact with the pull rod of the handle, and the movable clamping column has the effect of clamping and fixing the pull rod of the handle.

[0011] Furthermore, a top connecting rod is arranged in a surrounding shape on the outside of the fixed seat, one end of the spring sheet is connected to the top connecting rod, and a dynamic connecting rod is arranged in a surrounding shape on the outside of the adjusting sleeve, and the other end of the spring sheet is connected to the dynamic connecting rod. The spring sheet applies a thrust to the adjusting sleeve, so that the adjusting sleeve is in close contact with the manual nut, thereby increasing the rotation resistance of the manual nut and effectively avoiding the occurrence of loosening of the manual nut. By rotating the manual nut in the opposite direction, the adjusting sleeve is affected by the thrust of the spring sheet and moves in the opposite direction, and the slider gradually moves from the inner end to the outer end of the inclined sliding hole, and the adjusting sleeve drives the movable clamping column to move outward, so that the inner end of the movable clamping column is separated from the pull rod of the handle, so that the handle can be moved and adjusted.

[0012] The utility model provides a handle quick fixing assembly, which has the following beneficial effects:

[0013] When the utility model is in use, the slider slides in cooperation with the inclined sliding hole, so that the adjusting sleeve can drive the movable clamping column to move synchronously. When the handle has finished moving, the manual nut drives the adjusting sleeve to move outward, and the slider gradually moves from the outer end to the inner end of the inclined sliding hole. The adjusting sleeve drives the movable clamping column to move inward, so that the inner end of the movable clamping column is in close contact with the pull rod of the handle. The movable clamping column has the effect of clamping and fixing the pull rod of the handle, making the handle fixation faster and simpler, and ensuring the stability of the handle state.

[0014] In addition, the spring sheet applies thrust to the adjusting sleeve, so that the adjusting sleeve is in close contact with the manual nut, increasing the rotation resistance of the manual nut, effectively avoiding the occurrence of loosening of the manual nut, and ensuring the clamping and fixing effect of the movable clamping column on the handle; when the handle needs to be moved again, the manual nut is rotated in the opposite direction, and the adjusting sleeve moves in the opposite direction under the influence of the thrust of the spring sheet, and the slider gradually moves from the inner end to the outer end of the inclined sliding hole, and the adjusting sleeve drives the movable clamping column to move outward, so that the inner end of the movable clamping column is separated from the pull rod of the handle, and the handle can be moved and adjusted.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings of the embodiments will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached figure:

[0019] Figure 1 A schematic diagram of the overall axial structure of the handle quick fixing assembly of the present application is shown;

[0020] Figure 2 A schematic diagram of the connection structure between the fixed coupling and the manual nut of the present application is shown;

[0021] Figure 3 A schematic diagram of the shaft side structure of the adjusting sleeve of the present application is shown;

[0022] Figure 4 A schematic diagram of the axial side structure of the movable clamping column of the present application is shown.

[0023] Reference Signs List

[0024] 1. Fixed connecting seat; 101. Guide hole; 102. External thread; 103. Top connecting rod; 2. Movable clamping column; 201. Slider; 3. Adjusting sleeve; 301. Connecting groove; 3011. Oblique sliding hole; 302. Moving connecting rod; 4. Manual nut; 5. Spring leaf. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] Example 1: Please refer to Figures 1 to 4 :

[0027] The utility model proposes a quick fixing assembly for a handle, comprising: a fixed seat 1, a movable clamping column 2, an adjusting sleeve 3, a manual nut 4 and a spring sheet 5; the fixed seat 1 is fixedly connected to the injection pump, the fixed seat 1 is connected to the outside of the pull rod of the handle, the interior of the fixed seat 1 is connected in a surrounding shape with three movable clamping columns 2, and the three movable clamping columns 2 are 120 degrees apart from each other; the exterior of the fixed seat 1 is sheathed with an adjusting sleeve 3, and the adjusting sleeve 3 is connected to the three movable clamping columns 2; the exterior of the fixed seat 1 is connected to a manual nut 4, and the exterior of the adjusting sleeve 3 is connected in a surrounding shape with three springs Piece 5; the interior of the fixed seat 1 is hollow, and the pull rod of the handle slides through the interior of the fixed seat 1; the outside of the fixed seat 1 is provided with three guide holes 101 in a circumferential shape, and the guide holes 101 are connected to the inside and outside of the fixed seat 1, and the movable clamping column 2 is slidably connected to the guide holes 101 provided in the fixed seat 1, and the inner end of the movable clamping column 2 is in contact with the pull rod of the handle; the adjusting sleeve 3 is slidably connected to the outside of the fixed seat 1, and the outside of the adjusting sleeve 3 is provided with three connecting grooves 301 in a circumferential shape, and the outer end of the movable clamping column 2 is located in the connecting groove 301 provided in the adjusting sleeve 3.

[0028] In the embodiment of the present disclosure, oblique sliding holes 3011 are provided on both sides of the connecting groove 301, and two sliders 201 are provided near the outer end of the movable clamping column 2. The sliders 201 provided on the movable clamping column 2 are slidably connected to the oblique sliding holes 3011. The external surface of the fixed connecting seat 1 is provided with an external thread 102, and the manual nut 4 is threadedly connected to the external surface of the fixed connecting seat 1. One side of the manual nut 4 is in contact with the adjusting sleeve 3;

[0029] By adopting the above technical solution, the slider 201 slides with the inclined sliding hole 3011, so that the adjusting sleeve 3 can drive the movable clamping column 2 to move synchronously. When the handle is moved, the manual nut 4 drives the adjusting sleeve 3 to move outward, and the slider 201 gradually moves from the outer end to the inner end of the inclined sliding hole 3011. The adjusting sleeve 3 drives the movable clamping column 2 to move inward, so that the inner end of the movable clamping column 2 is in close contact with the pull rod of the handle. The pull rod of the handle is clamped and fixed by the movable clamping column 2, making the handle fixation faster and easier, and ensuring the stability of the handle state.

[0030] In the second embodiment, based on the first embodiment, a top connecting rod 103 is provided in a surrounding shape on the outer side of the fixed connecting seat 1, one end of the spring sheet 5 is connected to the top connecting rod 103, and a dynamic connecting rod 302 is provided in a surrounding shape on the outer side of the adjusting sleeve 3, and the other end of the spring sheet 5 is connected to the dynamic connecting rod 302;

[0031] By adopting the above technical solution, a thrust is applied to the adjusting sleeve 3 through the spring sheet 5, so that the adjusting sleeve 3 is in close contact with the manual nut 4, thereby increasing the rotation resistance of the manual nut 4, effectively avoiding the occurrence of loosening of the manual nut 4, and ensuring the clamping and fixing effect of the movable clamping column 2 on the handle; when the handle needs to be moved again, the manual nut 4 is rotated in the reverse direction, and the adjusting sleeve 3 moves in the reverse direction under the influence of the thrust of the spring sheet 5, and the slider 201 gradually moves from the inner end to the outer end of the inclined sliding hole 3011, and the adjusting sleeve 3 drives the movable clamping column 2 to move outward, so that the inner end of the movable clamping column 2 is separated from the pull rod of the handle, and the handle can be moved and adjusted.

[0032] The working principle of this embodiment is as follows: the slider 201 slides with the inclined sliding hole 3011, so that the adjusting sleeve 3 can drive the movable clamping column 2 to move synchronously, and the spring sheet 5 applies a thrust to the adjusting sleeve 3, so that the adjusting sleeve 3 is in close contact with the manual nut 4, increasing the rotation resistance of the manual nut 4 and effectively preventing the manual nut 4 from loosening; when the handle needs to be moved, the manual nut 4 is rotated in the reverse direction, and the adjusting sleeve 3 moves in the reverse direction under the influence of the thrust of the spring sheet 5, and the slider 201 gradually moves from the inner end of the inclined sliding hole 3011 to the outer end. The adjusting sleeve 3 drives the movable clamping column 2 to move outward, so that the inner end of the movable clamping column 2 is separated from the pull rod of the handle, and the handle can be moved and adjusted; after the handle has finished moving, the manual nut 4 drives the adjusting sleeve 3 to move outward, and the slider 201 gradually moves from the outer end to the inner end of the inclined sliding hole 3011, and the adjusting sleeve 3 drives the movable clamping column 2 to move inward, so that the inner end of the movable clamping column 2 is in close contact with the pull rod of the handle, and the pull rod of the handle is clamped and fixed by the movable clamping column 2, which makes the handle fixation faster and easier, and ensures the stability of the handle state.

[0033] In this article, there are several points to note:

[0034] 1. The drawings of the embodiments of the present disclosure only relate to the structures related to the embodiments of the present disclosure. Other structures may refer to conventional designs.

[0035] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to form new embodiments.

[0036] The above are only specific embodiments of the present disclosure, but the scope of protection of the present disclosure is not limited thereto. Any changes or substitutions that can be easily conceived by a person skilled in the art within the technical scope disclosed in this disclosure should be included in the scope of protection of the present disclosure. Therefore, the scope of protection of the present disclosure should be based on the scope of protection of the claims.

Claims

1. A handle quick fixing assembly, comprising: A fixed seat (1), a movable clamping column (2), an adjusting sleeve (3), a manual nut (4) and a spring sheet (5); characterized in that the fixed seat (1) is fixedly connected to the injection pump, the fixed seat (1) is connected to the outside of the pull rod of the handle, and the interior of the fixed seat (1) is connected with three movable clamping columns (2) in a circumferential shape, and the three movable clamping columns (2) are 120 degrees apart from each other; the exterior of the fixed seat (1) is sheathed with an adjusting sleeve (3), and the adjusting sleeve (3) is connected to the three movable clamping columns (2); the exterior of the fixed seat (1) is connected with a manual nut (4), and the exterior of the adjusting sleeve (3) is connected with three spring sheets (5) in a circumferential shape.

2. A handle quick fixing assembly according to claim 1, characterized in that: The interior of the fixed connecting seat (1) is hollow, and the pull rod of the handle slides through the interior of the fixed connecting seat (1).

3. The handle quick fixing assembly according to claim 1, characterized in that: The fixed seat (1) is provided with three guide holes (101) in a circumferential shape on the outside, and the guide holes (101) are connected to the inner and outer sides of the fixed seat (1). The movable clamping column (2) is slidably connected to the guide holes (101) provided on the fixed seat (1), and the inner end of the movable clamping column (2) is in contact with the pull rod of the handle.

4. The handle quick fixing assembly according to claim 1, characterized in that: The adjusting sleeve (3) is slidably connected to the outside of the fixed connecting seat (1); the outside of the adjusting sleeve (3) is provided with three connecting grooves (301) in a circumferential shape; the outer end of the movable clamping column (2) is located in the connecting grooves (301) provided on the adjusting sleeve (3).

5. The handle quick fixing assembly according to claim 4, characterized in that: Oblique sliding holes (3011) are provided on both sides of the connecting groove (301), and two sliding blocks (201) are provided near the outer end of the movable clamping column (2), and the sliding blocks (201) provided on the movable clamping column (2) are slidably connected in the oblique sliding holes (3011).

6. The handle quick fixing assembly according to claim 1, characterized in that: The fixed seat (1) is provided with an external thread (102) on the outside, the manual nut (4) is threadedly connected to the outside of the fixed seat (1), and one side of the manual nut (4) is in contact with the adjustment sleeve (3).

7. The handle quick fixing assembly according to claim 1, characterized in that: A top connecting rod (103) is provided in a surrounding shape on the outside of the fixed connecting seat (1), one end of the spring sheet (5) is connected to the top connecting rod (103), and a moving connecting rod (302) is provided in a surrounding shape on the outside of the adjusting sliding sleeve (3), the other end of the spring sheet (5) is connected to the moving connecting rod (302).