Finger limiting structure
By installing a limiting mechanism between the joints of the robot's fingers, the problem of easy damage at the joint connection point is solved, achieving stable gripping and extending the service life of the fingers.
Patent Information
- Application Number
- CN202422601462.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-28
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-10-28
AI Technical Summary
The joints of robotic fingers are prone to bending and damage, leading to a shortened lifespan.
A limiting mechanism is installed between the finger joints, including a limiting gear and a locking mechanism. It consists of an electric push rod, a limiting clamp, and an electric push rod mounting base. The limiting gear locks the finger joints, and the electric push rod and the limiting clamp cooperate to lock them.
It improves the stability of finger joints, prevents joint damage when gripping heavy objects, and enhances the gripping ability and lifespan of the fingers.
Smart Images
Figure CN223507198U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to robot finger technical field, concretely is a finger limiting structure. BACKGROUND
[0002] With the continuous development of science and technology, ordinary artificial mode has not satisfied the demand of productivity, and the development of industry is more and less the application of robot. Under the impetus of robot technology, the types of robots are more and more diversified. Among them, in the process of automobile detection, in order to simulate the actual driving operation of real person, the flexibility of robot hand is required higher.
[0003] The finger of the robot has multiple knuckles at present, each knuckle can rotate, but the connecting position of each knuckle is easy to bend and damage. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a finger limiting structure to solve the problems in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a finger limiting structure, including finger joint one, connecting pivot and finger joint two, the finger joint one is rotatably connected with the finger joint two through the connecting pivot, a limiting mechanism is installed between the finger joint one and the finger joint two, the limiting mechanism is composed of limiting gear and locking mechanism, the limiting gear is installed at one end of the connecting pivot, one locking mechanism is installed on the side of the finger joint one and the finger joint two respectively, the locking mechanism is composed of electric push rod, limiting clamp block and electric push rod mounting seat, the electric push rod mounting seat is installed on the sleeve of the electric push rod, the limiting clamp block is installed on the telescopic rod body of the electric push rod, the side surface of the electric push rod mounting seat is provided with mounting clamping groove.
[0006] Preferably, the connecting pivot is fixed with a circular connecting plate on one side, connecting shafts are fixed on the side surface of the connecting plate at equal intervals, an external thread is arranged on one end of the connecting pivot close to the connecting plate, and a small hole matched with the connecting shaft is arranged on the limiting gear.
[0007] Preferably, a positioning sleeve is fixedly arranged on the sleeve of the electric push rod, and a positioning rod is fixed on the back of the limiting clamp block and is inserted into the positioning sleeve.
[0008] Preferably, the front surface of the limiting clamp block is provided with a limiting groove with a diameter equal to that of the limiting gear, and the inner wall of the limiting groove is provided with clamping teeth at equal intervals.
[0009] Compared with the prior art, the utility model discloses the beneficial effect is: the utility model discloses between finger joint one and finger joint two installs the limiting mechanism, and the limiting mechanism is by installing the limiting gear of connecting pivot one end and the locking mechanism of installing on finger joint one and finger joint two constitutes, and the locking of finger joint one and finger joint two can be realized through the locking limiting gear of locking mechanism, through the mode makes the finger joint not easy because object is too heavy and appears damage when the finger is grabbed heavy object, and the locking mechanism of the utility model is composed of electric push rod, spacing block and electric push rod mounting seat, and the electric push rod is installed to finger joint one and finger joint two through electric push rod mounting seat, and the electric push rod is through spacing block and locks limiting gear simultaneously,
[0010] The side of the connecting plate is fixed with connecting shafts at equal intervals, and the end of the connecting pivot close to the connecting plate is provided with external threads, and the limiting gear is provided with small holes matched with the connecting shafts, and the limiting gear is sleeved on the connecting pivot and fixed through the nut, so that the installation and fixation of the limiting gear are more convenient and have greater strength.
[0011] The back of the spacing block is fixed with a positioning rod, the positioning rod is inserted into the positioning sleeve, and the cooperation of the positioning rod and the positioning sleeve makes the operation of the locking mechanism more stable.
[0012] The front of the spacing block is provided with a limiting groove with a diameter equal to that of the limiting gear, and the inner wall of the limiting groove is provided with clamping teeth at equal intervals, so that the clamping and locking effect of the spacing block is better. BRIEF DESCRIPTION OF DRAWINGS
[0013] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:
[0014] Figure 1 It is the overall structure schematic view of the utility model;
[0015] Figure 2 It is the structure schematic view of the locking mechanism of the utility model;
[0016] Figure 3 It is the end structure schematic view of the connecting pivot of the utility model;
[0017] Figure 4 It is the structure schematic view of the limiting gear of the utility model.
[0018] In the figure: 1, the first finger joint; 2, connecting shaft; 3, limiting mechanism; 4, the second finger joint; 5, connecting plate; 6, connecting shaft; 7, external thread; 8, limiting gear; 9, small hole; 10, locking mechanism; 11, electric push rod; 12, limiting clamp block; 13, limiting groove; 14, positioning rod; 15, electric push rod mounting seat; 16, mounting clamping groove; 17, positioning sleeve. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figures 1-4 In the embodiments of the present application, a finger limiting structure comprises a first finger joint 1, a connecting shaft 2 and a second finger joint 4. The first finger joint 1 is rotationally connected with the second finger joint 4 through the connecting shaft 2. A limiting mechanism 3 is installed between the first finger joint 1 and the second finger joint 4. The limiting mechanism 3 is composed of a limiting gear 8 and a locking mechanism 10. The limiting gear 8 is installed at one end of the connecting shaft 2. One locking mechanism 10 is installed on each side of the first finger joint 1 and the second finger joint 4. The locking mechanism 10 is composed of an electric push rod 11, a limiting clamp block 12 and an electric push rod mounting seat 15. The electric push rod mounting seat 15 is installed on the sleeve of the electric push rod 11. The limiting clamp block 12 is installed on the telescopic rod body of the electric push rod 11. The mounting clamping groove 16 is formed on the side surface of the electric push rod mounting seat 15.
[0021] The connecting plate 5 in a circular shape is fixed on one side of the connecting shaft 2. The connecting shaft 6 is fixed on the side surface of the connecting plate 5 at equal intervals. The external thread 7 is arranged on one end of the connecting shaft 2 close to the connecting plate 5. The small hole 9 is formed on the limiting gear 8 and matched with the connecting shaft 6.
[0022] The positioning sleeve 17 is fixedly arranged on the sleeve of the electric push rod 11. The positioning rod 14 is fixed on the back of the limiting clamp block 12 and inserted into the positioning sleeve 17.
[0023] The front surface of the limiting clamping block 12 is provided with a limiting groove 13 with a diameter equal to that of the limiting gear 8, and the inner wall of the limiting groove 13 is provided with clamping teeth at equal intervals.
[0024] The working principle of the utility model is: the utility model installs the limiting mechanism 3 between the finger joint one 1 and the finger joint two 4, the limiting mechanism 3 is composed of the limiting gear 8 installed at one end of the connecting shaft 2 and the locking mechanism 10 installed on the finger joint one 1 and the finger joint two 4, and the locking of the finger joint one 1 and the finger joint two 4 can be realized by locking the limiting gear 8 through the locking mechanism 10, so that the finger joint is not easy to be damaged due to the overloading of the object when the finger is used to grasp the heavy object, the locking mechanism 10 of the utility model is composed of the electric push rod 11, the limiting clamping block 12 and the electric push rod mounting seat 15, the electric push rod 11 is installed on the finger joint one 1 and the finger joint two 4 through the electric push rod mounting seat 15, and the limiting gear 8 is locked through the limiting clamping block 12 at the same time;
[0025] The connecting plate 5 is fixed on one side of the connecting shaft 2, the connecting shaft 6 is fixed on the side surface of the connecting plate 5 at equal intervals, the outer thread 7 is arranged on one end of the connecting shaft 2 close to the connecting plate 5, the small hole 9 matched with the connecting shaft 6 is formed in the limiting gear 8, the limiting gear 8 is sleeved on the connecting shaft 2 and is fixed through the nut, and the installation and fixation of the limiting gear 8 are more convenient and have greater strength through the mode.
[0026] The positioning sleeve 17 is fixedly arranged on the sleeve of the electric push rod 11, the positioning rod 14 is fixed on the back surface of the limiting clamping block 12, the positioning rod 14 is inserted into the positioning sleeve 17, and the cooperation of the positioning rod 14 and the positioning sleeve 17 makes the operation of the locking mechanism 10 more stable.
[0027] The front surface of the limiting clamping block 12 is provided with a limiting groove 13 with a diameter equal to that of the limiting gear 8, and the inner wall of the limiting groove 13 is provided with clamping teeth at equal intervals, and the above structure makes the clamping and locking effect of the limiting clamping block 12 better.
[0028] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A finger limiting structure, comprising a first finger joint (1), a connecting shaft (2), and a second finger joint (4), wherein the first finger joint (1) is rotatably connected to the second finger joint (4) via the connecting shaft (2), characterized in that: The finger joint one (1) and the finger joint two (4) are provided with a limiting mechanism (3), the limiting mechanism (3) is composed of a limiting gear (8) and a locking mechanism (10), the limiting gear (8) is installed at one end of the connecting shaft (2), one locking mechanism (10) is installed on the side of the finger joint one (1) and the finger joint two (4) respectively, the locking mechanism (10) is composed of an electric push rod (11), a limiting clamp block (12) and an electric push rod mounting seat (15), the electric push rod mounting seat (15) is installed on the sleeve of the electric push rod (11), the limiting clamp block (12) is installed on the telescopic rod body of the electric push rod (11), the side of the electric push rod mounting seat (15) is provided with a mounting clamping groove (16).
2. The finger limiting structure of claim 1, wherein: The connecting shaft (2) is fixed with a circular connecting plate (5) on one side, the connecting plate (5) is fixed with connecting shafts (6) at equal intervals on the side, the connecting shaft (2) is provided with external threads (7) on one end close to the connecting plate (5), the limiting gear (8) is provided with small holes (9) matched with the connecting shafts (6).
3. The finger limiting structure of claim 1, wherein: The sleeve of the electric push rod (11) is fixedly provided with a positioning sleeve (17), the back of the limiting clamp block (12) is fixedly provided with a positioning rod (14), and the positioning rod (14) is inserted into the positioning sleeve (17).
4. The finger limiting structure of claim 1, wherein: The front of the limiting clamp block (12) is provided with a limiting groove (13) with the same diameter as the limiting gear (8), and the inner wall of the limiting groove (13) is provided with clamping teeth at equal intervals.