A positioning and clamping device for assembling a luer joint with adjustable clamping force

CN224914573UActive Publication Date: 2026-10-30SINAFU (TAICANG) MEDICAL CONSUMABLES CO LTD
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Patent Information

Application Number
CN202522377958.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-10
Publication Date
2026-10-30
Estimated Expiration
2035-11-10

AI Technical Summary

Technical Problem

[0003]常规鲁尔接头组装用定位夹紧装置在面对不同规格鲁尔接头时,往往难以实现灵活且精准的夹持力度调节

Benefits of technology

1、本实用新型,通过第一夹持构件、第二夹持构件之间的结构设置,其中利用第一旋钮、第二旋钮的调节功能,能够在一定范围内根据不同规格的鲁尔接头灵活调整夹持力度,在实际操作过程中,操作人员只需旋转第一旋钮或第二旋钮,第一旋钮带动第一弧形缓冲块移动,第二旋钮带动第二弧形缓冲块移动,同时配合第一支撑弹簧、第二支撑弹簧的弹性作用,使第一弧形夹板和第二弧形夹板对鲁尔接头施加合适的夹持力,从而实现夹持力度的精准调节,这种可调节的夹持力度设计,大大提高了装置的适用性,能够满足多种不同规格鲁尔接头的组装需求,避免了因夹持力度过大而损坏鲁尔接头,或者因夹持力度过小导致鲁尔接头在组装过程中出现松动的情况,大大提高了鲁尔接头组装的质量和稳定性。

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Abstract

The utility model discloses a kind of adjustable luer joint assembly positioning clamping devices of clamping force, it is related to luer joint preparation technical field, including damping telescopic link and first clamping member, the left and right ends of the damping telescopic link One side is connected with first clamping member, and the left and right ends of the damping telescopic link Another side is connected with second clamping member.The adjustable luer joint assembly positioning clamping devices of clamping force, by first clamping member, second clamping member can be according to different specifications Luer joint flexible adjustment clamping force, damping telescopic link can be length adjusted, to change the spacing between first clamping member and second clamping member, to adapt to the assembly requirement of different size, first clamping member and second clamping member are designed with special clamping surface, can stably clamp luer joint, prevent it from deviating or shaking in assembly process, also avoid damaging luer joint due to clamping force is too large.
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Description

Technical Field

[0001] This utility model relates to the field of Luer joint preparation technology, specifically to a positioning and clamping device for assembling Luer joints with adjustable clamping force. Background Technology

[0002] Luer connectors are standardized, leak-free, micro-volume connections widely used in medical equipment, laboratory instruments, and other fields. A Luer connector is a standard interface that connects a male Luer connector with a matching female Luer connector. This connector design allows the two parts to form a sealed, secure connection by rotation (for locking connectors) or simple insertion (for sliding connectors).

[0003] Conventional positioning and clamping devices for assembling Luer connectors often struggle to achieve flexible and precise clamping force adjustment when dealing with Luer connectors of different specifications. Due to the lack of an effective length adjustment mechanism, the distance between the first and second clamping components is fixed, making it impossible to adapt to the assembly needs of various sizes. This results in either the Luer connector shifting or wobbling during assembly due to excessively loose clamping, or damage to the Luer connector due to excessively tight clamping. Utility Model Content

[0004] The purpose of this invention is to provide a positioning and clamping device for assembling Luer joints with adjustable clamping force, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a positioning and clamping device for assembling a Luer joint with adjustable clamping force, comprising a damping telescopic rod and a first clamping member. The first clamping member is connected to one side of both ends of the damping telescopic rod, and a second clamping member is connected to the other side of both ends of the damping telescopic rod. A spring-loaded hinge is installed at the bottom joint of the first and second clamping members. The first clamping member includes a first arc-shaped clamping plate, a first knob, a first arc-shaped buffer block, a first support spring, a first mating lug, a mating stud, a first mating seat, and a first connecting seat. The first arc-shaped clamping plate is located away from the second clamping member. A first knob is horizontally threaded through the middle of one side of the holding member, and a first arc-shaped buffer block is connected to the end of the first knob near the second clamping member. A first support spring is sleeved between the end of the first knob away from the first arc-shaped buffer block and the outer side of the first arc-shaped clamping plate. A first mating lug is horizontally provided at the top end of the first arc-shaped clamping plate away from the damping telescopic rod. A mating pin is symmetrically horizontally provided on the side of the first mating lug away from the second clamping member. A first mating seat is symmetrically provided vertically at the top end of the first arc-shaped clamping plate near the damping telescopic rod. A first connecting seat is provided on the surface of the bottom end of the first arc-shaped clamping plate away from the damping telescopic rod.

[0006] Furthermore, the first arc-shaped clamp, the first docking lug, the docking stud, the first docking seat, and the first connecting seat are all integrally formed, and the first arc-shaped clamp, the first docking lug, the docking stud, the first docking seat, and the first connecting seat are all made of high-strength composite materials.

[0007] Furthermore, the end of the first knob near the first arc-shaped buffer block is connected to the first arc-shaped buffer block via a movable shaft structure, and the first knob is horizontally inserted through the middle of the interior of the first support spring.

[0008] Furthermore, the damping telescopic rod is symmetrically and horizontally connected to one end of the connection between the first clamping member and the second clamping member, and the damping telescopic rod, the first clamping member, the second clamping member and the damping spring hinge are movably connected to each other.

[0009] Furthermore, the second clamping component includes a second arc-shaped clamping plate, a second knob, a second arc-shaped buffer block, a second support spring, a second mating ear, a mating hole, a second mating seat, and a second connecting seat. The second knob is horizontally threaded through the middle of the side of the second arc-shaped clamping plate away from the first clamping component, and the second arc-shaped buffer block is connected to the end of the second knob near the first clamping component. The second support spring is sleeved between the end of the second knob away from the second arc-shaped buffer block and the outer side of the second arc-shaped clamping plate. The second mating ear is horizontally arranged at the top end of the second arc-shaped clamping plate away from the damping telescopic rod, and the mating hole is symmetrically arranged horizontally on the side of the second mating ear away from the first clamping component. The second mating seat is symmetrically arranged vertically at the top end of the second arc-shaped clamping plate near the damping telescopic rod, and the second connecting seat is arranged on the surface of the bottom end of the second arc-shaped clamping plate away from the damping telescopic rod.

[0010] Furthermore, the second arc-shaped clamp, the second mating ear, the second mating seat, and the second connecting seat are integrated into one structure, and the second arc-shaped clamp, the second mating ear, the second mating seat, and the second connecting seat are all made of high-strength composite materials.

[0011] Furthermore, both ends of the damping telescopic rod are provided with holes for bolt assembly at the connection points with the first and second docking seats, and the first and second docking ears are symmetrically provided with holes for bolt assembly at the connection points.

[0012] Furthermore, the inner surface structure of the mating hole matches the outer surface structure of the mating stake, and the two ends of the spring-loaded hinge are respectively provided with symmetrical holes for bolt assembly at the connection points with the first connecting seat and the second connecting seat.

[0013] This utility model provides a positioning and clamping device for assembling Luer joints with adjustable clamping force, which has the following advantages: 1. This utility model, through the structural arrangement between the first clamping component and the second clamping component, utilizes the adjustment functions of the first and second knobs to flexibly adjust the clamping force within a certain range according to different specifications of Luer connectors. In actual operation, the operator only needs to rotate the first or second knob. The first knob drives the first arc-shaped buffer block to move, and the second knob drives the second arc-shaped buffer block to move. Simultaneously, with the elastic action of the first and second support springs, the first and second arc-shaped clamping plates apply appropriate clamping force to the Luer connector, thereby achieving precise adjustment of the clamping force. This adjustable clamping force design greatly improves the applicability of the device, can meet the assembly needs of various Luer connectors of different specifications, and avoids damage to the Luer connector due to excessive clamping force or loosening of the Luer connector during assembly due to insufficient clamping force, thus greatly improving the quality and stability of Luer connector assembly.

[0014] 2. This utility model, through the movable connection combination of the damping telescopic rod, the first clamping component, the second clamping component, and the spring-loaded hinge, makes the entire positioning and clamping device more flexible and adaptable. The damping telescopic rod can extend and retract according to the assembly of the Luer joint between the first and second clamping components, ensuring that the device maintains a stable structure when clamping Luer joints of different sizes, thus ensuring the stability of the Luer joint assembly and docking, and also playing a role in structural support and buffering. The spring-loaded hinge provides elastic support for the opening and closing of the first and second clamping components, making the opening and closing process smoother, reducing resistance during operation, and improving work efficiency. At the same time, this movable connection combination also facilitates the disassembly and maintenance of the device. When a component is damaged, it can be quickly replaced, reducing maintenance costs and time.

[0015] 3. This utility model features an integrated structure for the first arc-shaped clamping plate, the first mating ear, the mating stud, the first mating seat, and the first connecting seat. Similarly, the second arc-shaped clamping plate, the second mating ear, the second mating seat, and the second connecting seat are also integrated. All components are made of high-strength composite materials. This integrated structure enhances the connection strength between the components, reduces assembly errors caused by loose parts, and improves the overall stability and reliability of the device. The use of high-strength composite materials ensures that the device will not deform or be damaged when subjected to large clamping forces, extending its service life. Furthermore, high-strength composite materials are lightweight and corrosion-resistant, making the device more convenient to carry and use, and adaptable to different working environments.

[0016] 4. In this utility model, because the inner surface structure of the mating hole matches the outer surface structure of the mating pile, and the two ends of the damping telescopic rod are connected to the first mating seat and the second mating seat, the two ends of the first mating ear and the second mating ear, and the two ends of the damping spring hinge are connected to the first connecting seat and the second connecting seat, the connection structure for bolt assembly is provided. This design makes the connection between the various components more secure and precise. By using bolt assembly, it can be ensured that the position of each component is accurate during the assembly process, and there will be no offset or loosening. At the same time, this connection method also facilitates the disassembly and assembly of the device. When it is necessary to clean, maintain or replace the components, the bolts can be quickly removed to separate the components. The operation is simple and convenient. Moreover, the bolt assembly method also has a certain degree of versatility, reducing the manufacturing cost of the device. Attached Figure Description

[0017] Figure 1 This is a side view of the main body of the positioning and clamping device for assembling a Luer joint with adjustable clamping force according to the present invention. Figure 2 This is a side view of the main body of the positioning and clamping device for assembling a Luer joint with adjustable clamping force according to the present invention. Figure 3 This is a three-dimensional structural diagram of the first clamping component of a positioning and clamping device for assembling a Luer joint with adjustable clamping force according to the present invention. Figure 4 This is a three-dimensional structural diagram of the second clamping component of a positioning and clamping device for assembling a Luer joint with adjustable clamping force according to the present invention.

[0018] In the diagram: 1. Damping telescopic rod; 2. First clamping component; 201. First arc-shaped clamping plate; 202. First knob; 203. First arc-shaped buffer block; 204. First support spring; 205. First docking lug; 206. Docking stud; 207. First docking seat; 208. First connecting seat; 3. Second clamping component; 301. Second arc-shaped clamping plate; 302. Second knob; 303. Second arc-shaped buffer block; 304. Second support spring; 305. Second docking lug; 306. Docking hole; 307. Second docking seat; 308. Second connecting seat; 4. Damping spring hinge. Detailed Implementation

[0019] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0020] like Figures 1 to 4As shown, a positioning and clamping device for assembling a Luer joint with adjustable clamping force includes a damping telescopic rod 1 and a first clamping member 2. The first clamping member 2 is connected to one side of both ends of the damping telescopic rod 1, and a second clamping member 3 is connected to the other side of both ends of the damping telescopic rod 1. A spring-loaded hinge 4 is installed at the bottom joint of the first clamping member 2 and the second clamping member 3. The first clamping member 2 includes a first arc-shaped clamping plate 201, a first knob 202, a first arc-shaped buffer block 203, a first support spring 204, a first mating lug 205, a mating stud 206, a first mating seat 207, and a first connecting seat 208. A horizontal thread runs through the middle of the side of the first arc-shaped clamping plate 201 away from the second clamping member 3. A first knob 202 is installed, and a first arc-shaped buffer block 203 is connected to the end of the first knob 202 near the second clamping member 3. A first support spring 204 is sleeved between the end of the first knob 202 away from the first arc-shaped buffer block 203 and the outer side of the first arc-shaped clamping plate 201. A first docking ear 205 is horizontally arranged at the top end of the first arc-shaped clamping plate 201 away from the damping telescopic rod 1. A docking pin 206 is symmetrically arranged horizontally on the side of the first docking ear 205 away from the second clamping member 3. A first docking seat 207 is symmetrically arranged vertically at the top end of the first arc-shaped clamping plate 201 near the damping telescopic rod 1. A first docking seat 207 is arranged vertically on the surface of the bottom end of the first arc-shaped clamping plate 201 away from the damping telescopic rod 1. A connecting seat 208, a first arc-shaped clamping plate 201, a first mating ear 205, a mating stud 206, a first mating seat 207, and a first connecting seat 208 are all integrally structured together. The first arc-shaped clamping plate 201, the first mating ear 205, the mating stud 206, the first mating seat 207, and the first connecting seat 208 are all made of high-strength composite materials. A first knob 202 is connected to a first arc-shaped buffer block 203 at one end via a movable shaft structure. The first knob 202 horizontally penetrates the middle of the first support spring 204. A damping telescopic rod 1 is symmetrically and horizontally connected to one end of the connection between the first clamping member 2 and the second clamping member 3. The damping telescopic rod 1, the first... The clamping component 2, the second clamping component 3, and the spring-loaded hinge 4 are movably connected together. In actual operation, the operator can rotate the first knob 202 and the second knob 302 clockwise or counterclockwise according to the specifications of the Luer connector to be assembled. When rotated clockwise, the first knob 202 and the second knob 302 will move the first arc-shaped buffer block 203 or the second arc-shaped buffer block 303 closer to the Luer connector, while the first support spring 204 or the second support spring 304 will be compressed, generating a reverse elastic force. As the knobs continue to rotate, the clamping force gradually increases. Conversely, when rotated counterclockwise, the first arc-shaped buffer block 203 and the second arc-shaped buffer block 303 move away from the Luer connector.The elastic force of the first support spring 204 and the second support spring 304 pushes the knob outward, allowing for adaptive adjustment according to the size of the Luer connector being held.

[0021] The second clamping member 3 includes a second arc-shaped clamping plate 301, a second knob 302, a second arc-shaped buffer block 303, a second support spring 304, a second mating ear 305, a mating hole 306, a second mating seat 307, and a second connecting seat 308. The second knob 302 is horizontally threaded through the middle of the side of the second arc-shaped clamping plate 301 away from the first clamping member 2. The second knob 302 is connected to the second arc-shaped buffer block 303 at the end of the second knob 302 closest to the first clamping member 2. Furthermore, the end of the second knob 302 away from the second arc-shaped buffer block 303 is connected to the second arc-shaped clamping plate 301. A second support spring 304 is sleeved between the outer sides. A second docking lug 305 is horizontally provided at the top end of the second arc-shaped clamping plate 301 away from the damping telescopic rod 1. A docking insertion hole 306 is symmetrically provided horizontally on the side of the second docking lug 305 away from the first clamping member 2. A second docking seat 307 is symmetrically provided vertically at the top end of the second arc-shaped clamping plate 301 near the damping telescopic rod 1. A second connecting seat 308 is provided on the bottom surface of the second arc-shaped clamping plate 301 away from the damping telescopic rod 1. The second arc-shaped clamping plate 301, the second docking lug 305, and the second docking insertion hole 306 are all connected horizontally. The connecting seat 307 and the second connecting seat 308 are integrally formed. The second arc-shaped clamp 301, the second mating ear 305, the second mating seat 307, and the second connecting seat 308 are all made of high-strength composite materials. Holes for bolt assembly are provided at both ends of the damping telescopic rod 1 where it connects to the first mating seat 207 and the second mating seat 307. Holes for bolt assembly are also symmetrically provided at the joints of the first mating ear 205 and the second mating ear 305. The inner surface structure of the mating hole 306 is connected to the mating stud 206. The outer surface structures are matched with each other. The two ends of the spring hinge 4 are respectively provided with symmetrical holes for bolt assembly at the connection points with the first connecting seat 208 and the second connecting seat 308. By utilizing the matching structure of the mating hole 306 and the mating stud 206, during assembly, the mating stud 206 on the first clamping member 2 can be accurately inserted into the corresponding mating hole 306 on the second clamping member 3, so as to achieve the initial positioning connection between the first clamping member 2 and the second clamping member 3. This positioning method is not only accurate in connection, but also easy to operate, and can effectively improve the assembly efficiency.

[0022] In summary, as Figures 1 to 4As shown, the adjustable clamping force positioning clamping device for assembling Luer joints firstly utilizes the matching structure of the mating hole 306 and the mating post 206 to accurately insert the mating post 206 on the first clamping member 2 into the corresponding mating hole 306 on the second clamping member 3, thus achieving the initial positioning connection between the first clamping member 2 and the second clamping member 3. Subsequently, through the hole structure for bolt assembly at the connection points of the damping telescopic rod 1 with the first mating seat 207, the second mating seat 307, and the first mating ear 205, the second mating ear 305, bolts are used to firmly connect the various components together, ensuring that the device is accurately positioned during assembly and will not shift or loosen. The operator then places the device in a suitable position according to the specifications of the Luer connector to be assembled, so that the Luer connector is between the first clamping member 2 and the second clamping member 3. The operator then adjusts the clamping force by rotating the first knob 202 and the second knob 302 clockwise or counterclockwise. When the knob is rotated clockwise, the first arc-shaped buffer block 203 and the second arc-shaped buffer block 303 move closer to the Luer connector under the action of the knob. At the same time, the first support spring 204 and the second support spring 304 are compressed, generating a reverse elastic force. As the knob continues to rotate, the clamping force gradually increases until it reaches the clamping force suitable for the current specification of Luer connector. Conversely, when the knob is rotated counterclockwise, the first arc-shaped buffer block 203 and the second arc-shaped buffer block 303 move away from the Luer connector, and the elastic force of the first support spring 204 and the second support spring 304 pushes the knob to move outward, and the clamping force is reduced accordingly. This adjustment method can be adaptively adjusted according to the size of the clamped Luer connector to ensure that the clamping force is neither too large and will damage the Luer connector, nor too small and will cause the Luer connector to loosen during the assembly process. Throughout the assembly process, the damping telescopic rod 1 can extend and retract according to the assembly status of the Luer joint between the first clamping member 2 and the second clamping member 3, ensuring that the device maintains a stable structure when clamping Luer joints of different sizes, thus ensuring the stability of the Luer joint assembly and docking, while also serving as a structural support and buffer. The damping spring hinge 4 provides elastic support for the opening and closing of the first clamping member 2 and the second clamping member 3, making the opening and closing process smoother, reducing resistance during operation, and further improving work efficiency. After assembly, if it is necessary to clean, maintain, or replace parts of the device, simply remove the bolts quickly to separate the various parts.

[0023] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A positioning and clamping device for assembling a Luer joint with adjustable clamping force, comprising a damping telescopic rod (1) and a first clamping member (2), characterized in that: The damping telescopic rod (1) is connected to one side of both its left and right ends by a first clamping member (2), and to the other side of both its left and right ends by a second clamping member (3). A spring hinge (4) is connected to the bottom joint of the first clamping member (2) and the second clamping member (3). The first clamping member (2) includes a first arc-shaped clamping plate (201), a first knob (202), a first arc-shaped buffer block (203), a first support spring (204), a first mating ear (205), a mating stud (206), a first mating seat (207), and a first connecting seat (208). The first knob (202) is horizontally threaded through the middle of the side of the first arc-shaped clamping plate (201) away from the second clamping member (3), and the first knob (202) is close to... One end of the second clamping member (3) is connected to and installed with a first arc-shaped buffer block (203), and a first support spring (204) is sleeved between the end of the first knob (202) away from the first arc-shaped buffer block (203) and the outside of the first arc-shaped clamping plate (201). A first docking ear (205) is horizontally arranged at the top end of the first arc-shaped clamping plate (201) away from the damping telescopic rod (1), and docking pins (206) are symmetrically arranged on the left and right sides of the first docking ear (205) away from the second clamping member (3). A first docking seat (207) is symmetrically arranged at the top end of the first arc-shaped clamping plate (201) near the damping telescopic rod (1), and a first connecting seat (208) is arranged on the bottom surface of the first arc-shaped clamping plate (201) away from the damping telescopic rod (1).

2. The positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 1, characterized in that, The first arc-shaped clamp (201), the first docking ear (205), the docking stake (206), the first docking seat (207), and the first connecting seat (208) are integrated into each other, and the first arc-shaped clamp (201), the first docking ear (205), the docking stake (206), the first docking seat (207), and the first connecting seat (208) are all made of high-strength composite materials.

3. The positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 1, characterized in that, The first knob (202) is connected to the first arc-shaped buffer block (203) at one end via a movable shaft structure, and the first knob (202) is horizontally inserted through the middle of the first support spring (204).

4. The positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 1, characterized in that, The damping telescopic rod (1) is horizontally and symmetrically connected to one end of the connection between the first clamping member (2) and the second clamping member (3), and the damping telescopic rod (1), the first clamping member (2), the second clamping member (3) and the damping spring hinge (4) are connected to each other in a movable combination.

5. The positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 1, characterized in that, The second clamping member (3) includes a second arc-shaped clamping plate (301), a second knob (302), a second arc-shaped buffer block (303), a second support spring (304), a second mating ear (305), a mating hole (306), a second mating seat (307), and a second connecting seat (308). The second knob (302) is horizontally threaded through the middle of the side of the second arc-shaped clamping plate (301) away from the first clamping member (2), and the second knob (302) is connected to the second arc-shaped buffer block (303) at the end of the second knob (302) near the first clamping member (2). The second knob (302) is further away from the second arc-shaped buffer block (304). A second support spring (304) is sleeved between one end of the second arc-shaped clamp (301) and the outer side of the second arc-shaped clamp (301). A second docking ear (305) is horizontally arranged at the top end of the second arc-shaped clamp (301) away from the damping telescopic rod (1). A docking insertion hole (306) is symmetrically arranged on the left and right side of the second docking ear (305) away from the first clamping member (2). A second docking seat (307) is symmetrically arranged at the top end of the second arc-shaped clamp (301) near the damping telescopic rod (1). A second connecting seat (308) is arranged on the bottom surface of the second arc-shaped clamp (301) away from the damping telescopic rod (1).

6. The positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 5, characterized in that, The second arc-shaped clamp (301), the second docking ear (305), the second docking seat (307), and the second connecting seat (308) are integrated into each other, and the second arc-shaped clamp (301), the second docking ear (305), the second docking seat (307), and the second connecting seat (308) are all made of high-strength composite materials.

7. A positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 5, characterized in that, Both ends of the damping telescopic rod (1) are provided with holes for bolt assembly at the connection points with the first docking seat (207) and the second docking seat (307), and the first docking ear (205) and the second docking ear (305) are provided with holes for bolt assembly at the connection points on the left and right sides.

8. A positioning and clamping device for assembling a Luer joint with adjustable clamping force according to claim 5, characterized in that, The inner surface structure of the docking hole (306) matches the outer surface structure of the docking stake (206). The two ends of the spring-loaded hinge (4) are respectively provided with symmetrical holes for bolt assembly at the connection points with the first connecting seat (208) and the second connecting seat (308).