Flexible suction pen head based on rotatable joint
By using a worm gear mechanism based on a rotatable joint and an electric push rod spring assembly, the angle of the pen tip is automatically adjusted, solving the problem of low efficiency in the traditional manual adjustment of pen tips, and achieving efficient automatic adjustment and damage prevention.
Patent Information
- Application Number
- CN202423112959.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-17
AI Technical Summary
Traditional pen tips require manual adjustment to change the angle, resulting in low work efficiency and a lack of storage structure, making them prone to damage.
It adopts a design based on a rotatable joint, uses a motor-driven worm gear mechanism to automatically adjust the pen tip angle, and achieves automatic adjustment and storage of the pen tip through an electric push rod and spring assembly.
It enables automatic adjustment of the pen tip angle, improving work efficiency, preventing pen tip damage, and enhancing flexibility and adaptability.
Smart Images
Figure CN223669220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to adsorption equipment parts manufacturing technical field especially, based on flexible suction pen head of rotatable joint. BACKGROUND
[0002] Suction pen head is a kind of component for sucking liquid, usually small tubular or similar shape, in laboratory pipette and most industrial, medical liquid suction equipment, it is worked by air pressure difference, when operating the piston of pipette or liquid suction device, negative pressure is generated in the inside of suction pen head, so that the liquid outside is sucked into the suction pen head under the action of air pressure difference, flexible suction pen head of rotatable joint can improve operation flexibility, enhance adaptability, optimize user experience, the wear of traditional rotatable joint flexible suction pen head leads to leakage risk, limited rotation flexibility, limited angle adjustment range interface matching difficulty, to realize modernization high adaptability suction pen head, thereby using new rotatable joint flexible suction pen head.
[0003] Traditional suction pen head often needs to replace different suction pen heads to work, when angle needs to be replaced, the turning of suction pen head often needs to be manually adjusted, leading to low work efficiency of suction pen head in adsorption operation. UTILITY MODEL CONTENT
[0004] In order to make up for the above shortcomings, the utility model provides flexible suction pen head based on rotatable joint, aims at improving the problem that traditional suction pen head often needs to replace different suction pen heads to work, when angle needs to be replaced, the turning of suction pen head often needs to be manually adjusted, leading to low work efficiency of suction pen head in adsorption operation.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0006] Flexible suction pen head based on rotatable joint, including base, the lower surface of base is fixedly connected with motor, the output end of motor is fixedly provided with worm, the tooth end of worm is engagedly connected with worm wheel, the inner wall of worm wheel is fixedly connected with rotating rod, the upper end of rotating rod is rotatably connected in the inner wall of base, the inner wall of base is fixedly connected with support leg, the lower surface of base is fixedly connected with electric push rod, the lower surface of support leg is fixedly connected with fixed plate, the inner wall of fixed plate is fixedly connected with fixed block, the inner wall of fixed block is rotatably connected in the outer wall of rotating rod, the outer wall of fixed block is slidably connected with lifting sliding block, the inner wall of lifting sliding block is slidably connected with adjusting support, the inner wall of adjusting support is fixedly connected in the lower end of rotating rod, the outer wall of adjusting support is fixedly connected with pen head body, the upper surface of base is equipped with storage assembly.
[0007] Preferably, the storage assembly comprises a connecting plate, the lower surface of the connecting plate is fixedly connected to the upper surface of the base, the inner wall of the connecting plate is provided with a circular groove, and the inner wall of the connecting plate is slidably connected with a first spring.
[0008] Preferably, the right outer wall of the first spring is fixedly connected with a clamping ball, the outer wall of the clamping ball is slidably connected to the inner wall of the circular groove, and the upper surface of the connecting plate is fixedly connected with a push rod.
[0009] Preferably, the upper surface of the connecting plate is fixedly connected with a second spring, the outer wall of the second spring is slidably connected with a shell, the inner wall of the shell is slidably connected to the outer wall of the push rod, and the inner wall of the shell is slidably connected to the outer wall of the connecting plate.
[0010] Preferably, the inner wall of the shell is provided with a clamping groove, and the outer wall of the clamping ball is slidably connected to the inner wall of the clamping groove.
[0011] Preferably, the inner wall of the shell is provided with a limiting groove, and the outer wall of the clamping ball is slidably connected to the inner wall of the limiting groove.
[0012] The utility model has the advantages of the following:
[0013] 1. In the utility model, the starting motor drives the worm to make the worm gear rotate, the worm gear drives the rotating rod to make the adjusting support slide on the inner wall of the lifting slide block, thereby adjusting the angle of the pen head body in the transverse direction, the starting electric push rod drives the lifting slide block to make the adjusting support rotate, thereby adjusting the angle of the pen head body in the longitudinal direction, and the assembly can automatically adjust the position of the pen head.
[0014] 2. In the utility model, the downward push of the push rod drives the connecting plate to make the clamping ball move inward, the movement of the clamping ball makes the first spring be compressed, the connecting plate drives the second spring to make the second spring extend, and after the connecting plate reaches the specified position, the first spring pushes the clamping ball to be clamped into the limiting groove, and the assembly can prevent the pen head from being damaged by external force. ACCURACY OF DRAWINGS
[0015] Figure 1 A three-dimensional view of the flexible pen head based on the rotatable joint is provided for the utility model;
[0016] Figure 2 A worm partial structure schematic view of the flexible pen head based on the rotatable joint is provided for the utility model;
[0017] Figure 3 A second spring partial structure schematic view of the flexible pen head based on the rotatable joint is provided for the utility model;
[0018] Figure 4The utility model provides a flexible suction pen head shell internal structure section view schematic based on rotatable joint.
[0019] Legend:
[0020] 1, base; 101, motor; 102, worm; 103, worm gear; 104, rotating rod; 105, support leg; 106, electric push rod; 107, fixed plate; 108, fixed block; 109, lifting slide block; 110, adjusting support; 111, pen head body; 2, storage assembly; 201, connecting plate; 202, round groove; 203, first spring; 204, ball; 205, push rod; 206, second spring; 207, shell; 208, clamping groove; 209, limiting groove. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the specification of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0022] Reference Figure 1 And Figure 2 Flexible suction pen head based on rotatable joint, including base 1, the lower surface of base 1 is fixedly connected with motor 101, the output end of motor 101 is fixedly provided with worm 102, the tooth end of worm 102 is engagedly connected with worm gear 103, the inner wall of worm gear 103 is fixedly connected with rotating rod 104, the upper end of rotating rod 104 is rotatably connected in the inner wall of base 1, the inner wall of base 1 is fixedly connected with support leg 105, the lower surface of base 1 is fixedly connected with electric push rod 106, the lower surface of support leg 105 is fixedly connected with fixed plate 107, the inner wall of fixed plate 107 is fixedly connected with fixed block 108, the inner wall of fixed block 108 is rotatably connected in the outer wall of rotating rod 104, the outer wall of fixed block 108 is slidably connected with lifting slide block 109, the inner wall of lifting slide block 109 is slidably connected with adjusting support 110, the inner wall of adjusting support 110 is fixedly connected in the lower end of rotating rod 104, the outer wall of adjusting support 110 is fixedly connected with pen head body 111, the upper surface of base 1 is equipped with storage assembly 2;
[0023] Specifically, the motor 101 fixed on the base 1 is started to drive the worm 102 to rotate, the worm wheel 103 is driven to rotate, the rotating rod 104 is driven to rotate, the sleeve of the adjusting support 110 is driven to rotate, the adjusting support 110 is driven to rotate on the inner wall of the lifting slider 109, so that the position of the pen head body 111 in the horizontal direction is adjusted, the base 1, the supporting leg 105 and the lifting slider 109 are used for supporting, and space is left for the driving component, the electric push rod 106 is started to drive the lifting slider 109 to slide on the outer wall of the fixed block 108, the rod of the adjusting support 110 is driven to rotate in the inner wall of the sleeve, and the angle of the pen head body 111 in the vertical direction is adjusted. The assembly can adjust the different angles of the pen head body 111, so that the effect of being suitable for different working scenes can be achieved.
[0024] With reference to Figure 3 And Figure 4 The receiving assembly 2 comprises a connecting plate 201, the lower surface of the connecting plate 201 is fixedly connected to the upper surface of the base 1, the inner wall of the connecting plate 201 is provided with a circular groove 202, the inner wall of the connecting plate 201 is slidably connected with a first spring 203, and the outer wall of the first spring 203 is slidably connected to the inner wall of the circular groove 202; the right outer wall of the first spring 203 is fixedly connected with a clamping ball 204, the outer wall of the clamping ball 204 is slidably connected to the inner wall of the circular groove 202, and the upper surface of the connecting plate 201 is fixedly connected with a push rod 205; the upper surface of the connecting plate 201 is fixedly connected with a second spring 206, the outer wall of the second spring 206 is slidably connected with an outer shell 207, the inner wall of the outer shell 207 is slidably connected to the outer wall of the push rod 205, and the inner wall of the outer shell 207 is slidably connected to the outer wall of the connecting plate 201; the inner wall of the outer shell 207 is provided with a clamping groove 208, and the outer wall of the clamping ball 204 is slidably connected to the inner wall of the clamping groove 208; the inner wall of the outer shell 207 is provided with a limiting groove 209, and the outer wall of the clamping ball 204 is slidably connected to the inner wall of the limiting groove 209.
[0025] Specifically, the push rod 205 is pressed downward to push the connecting plate 201 to move in the inner wall of the outer shell 207, so that the second spring 206 is stretched, the clamping ball 204 moves inward to push the first spring 203 to be compressed in the inner wall of the circular groove 202 until a specified position, the first spring 203 pushes the clamping ball 204 to be clamped into the inner wall of the limiting groove 209, so that the suction pen head is extended to perform the effect of adsorption work, after use, the clamping ball 204 is pressed to compress the first spring 203, at this time, the second spring 206 rebounds to drive the connecting plate 201 to move, after returning to the original position, the first spring 203 pushes the clamping ball 204 out, so that the clamping ball 204 is continuously clamped into the inner wall of the clamping groove 208, thereby achieving the effect of storing the suction pen head. The assembly can store the suction pen head and prevent the suction pen head from being damaged.
[0026] Working principle: when the suction pen head needs to be used, the motor 101 is started to drive the worm 102 to rotate, the worm gear 103 is rotated, the rotating rod 104 is rotated to drive the sliding ball arranged on the adjusting bracket 110 to slide on the inner wall of the lifting slider 109, so that the position of the pen head body 111 in the horizontal direction can be adjusted, the electric push rod 106 is started to drive the lifting slider 109 to slide on the outer wall of the fixed block 108, so that the adjusting bracket 110 rotates in the sleeve arranged thereon, so that the pen head body 111 is adjusted in the vertical direction. The assembly can adjust the different angles of the pen head body 111, so as to adapt to different working scenes, and the push rod 205 is pressed downward to drive the connecting plate 201 to move, so that the second spring 206 is extended. When the connecting plate 201 moves downward, the ball 204 moves into the circular groove 202 to compress the first spring 203, until the connecting plate 201 reaches the specified position, after the connecting plate 201 reaches the specified position, the first spring 203 extends to push the ball 204 into the inner wall of the limiting groove 209. When it needs to be recycled, press the ball 204 to compress the first spring 203 again, the second spring 206 rebounds to drive the connecting plate 201 to move upwards, and after returning to the original position, the first spring 203 pushes the ball 204 into the inner wall of the limiting groove 208, so that the connecting plate 201 is clamped. The assembly can achieve the effect of storing the suction pen head and preventing the suction pen head from being damaged. The suction pen head not only solves the problem that the traditional suction pen head often needs to be replaced with different suction pen heads for work, and often needs to be manually adjusted when the angle needs to be changed, resulting in low work efficiency of the suction pen head during the suction work. It also solves the problem that there is no storage structure to prevent the pen head from being damaged by impact.
[0027] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. A flexible pen tip based on a rotatable joint, comprising a base (1), characterized in that: A motor (101) is fixedly connected to the lower surface of the base (1). A worm gear (102) is fixedly installed at the output end of the motor (101). A worm wheel (103) is meshed with the tooth end of the worm gear (102). A rotating rod (104) is fixedly connected to the inner wall of the worm wheel (103). The upper end of the rotating rod (104) is rotatably connected to the inner wall of the base (1). A support leg (105) is fixedly connected to the inner wall of the base (1). An electric push rod (106) is fixedly connected to the lower surface of the base (1). A fixing plate is fixedly connected to the lower surface of the support leg (105). 107), the inner wall of the fixing plate (107) is fixedly connected to a fixing block (108), the inner wall of the fixing block (108) is rotatably connected to the outer wall of the rotating rod (104), the outer wall of the fixing block (108) is slidably connected to a lifting slider (109), the inner wall of the lifting slider (109) is slidably connected to an adjusting bracket (110), the inner wall of the adjusting bracket (110) is fixedly connected to the lower end of the rotating rod (104), the outer wall of the adjusting bracket (110) is fixedly connected to a pen tip body (111), and the upper surface of the base (1) is provided with a storage component (2).
2. The flexible pen tip based on a rotatable joint according to claim 1, characterized in that: The storage component (2) includes a connecting plate (201), the lower surface of which is fixedly connected to the upper surface of the base (1), the inner wall of which is provided with a circular groove (202), and a first spring (203) is slidably connected to the inner wall of the connecting plate (201), the outer wall of which is slidably connected to the inner wall of the circular groove (202).
3. The flexible pen tip based on a rotatable joint according to claim 2, characterized in that: A retaining ball (204) is fixedly connected to the outer right side of the first spring (203), and the outer wall of the retaining ball (204) is slidably connected to the inner wall of the circular groove (202). A push rod (205) is fixedly connected to the upper surface of the connecting plate (201).
4. The flexible pen tip based on a rotatable joint according to claim 3, characterized in that: A second spring (206) is fixedly connected to the upper surface of the connecting plate (201). A housing (207) is slidably connected to the outer wall of the second spring (206). The inner wall of the housing (207) is slidably connected to the outer wall of the push rod (205). The inner wall of the housing (207) is slidably connected to the outer wall of the connecting plate (201).
5. The flexible pen tip based on a rotatable joint according to claim 4, characterized in that: The inner wall of the outer shell (207) is provided with a slot (208), and the outer wall of the ball (204) is slidably connected to the inner wall of the slot (208).
6. The flexible pen tip based on a rotatable joint according to claim 4, characterized in that: The inner wall of the outer shell (207) is provided with a limiting groove (209), and the outer wall of the ball (204) is slidably connected to the inner wall of the limiting groove (209).