Electric spring clamp pliers

Abstract

This utility model belongs to the field of snap ring pliers, specifically electric snap ring pliers. It includes a snap ring pliers body, with a tensioning mechanism between a first handle and a second handle. The tensioning mechanism automatically opens the snap ring pliers jaws. The tensioning mechanism includes a fixing plate, one side of which is fixedly connected to the surface of the first handle. A first connecting rod is fixedly connected to the inner cavity of the fixing plate, a second connecting rod is rotatably connected to the surface of the first connecting rod, and a third connecting rod is rotatably connected to one end of the second connecting rod. This utility model, through its tensioning mechanism, avoids the problem that traditional snap ring pliers are difficult for inexperienced users to quickly master. On the one hand, they require aligning two relatively small holes; on the other hand, they require applying a relatively large force in the horizontal direction. This can easily lead to the snap ring slipping out of the pliers, the snap ring flying out, or the snap ring being stretched into plastic deformation, rendering it unusable.

Description

Technical Field

[0001] This utility model relates to the field of snap ring pliers, specifically electric snap ring pliers. Background Technology

[0002] Internal retaining rings need to be compressed for installation and removal. Hand operation is very difficult, dangerous, and can easily damage parts, so internal retaining ring pliers are needed. Internal retaining ring pliers are a special tool for installing and removing internal retaining rings. Its jaws can be precisely inserted into the two small holes at the end of the internal retaining ring. Then, by gripping the handle, the jaws retract inward, squeezing the retaining ring and reducing its diameter.

[0003] While internal snap ring pliers have made some progress, they still face some challenges and shortcomings. Traditional snap ring pliers are difficult for infrequent users to quickly master. On the one hand, they need to align two relatively small holes, and on the other hand, they need to apply a relatively large force in the horizontal direction. This makes it easy for the snap ring to slip out, fly off, or be stretched into plastic deformation during use, rendering it unusable. Utility Model Content

[0004] To overcome the shortcomings of existing technology, traditional snap ring pliers are difficult for infrequent users to quickly master. On the one hand, they need to align two relatively small holes, and on the other hand, they need to apply a relatively large force in the horizontal direction. This leads to problems such as the snap ring slipping out of the snap ring, the snap ring flying out, or the snap ring being stretched into plastic deformation and becoming unusable during use. This utility model proposes electric snap ring pliers.

[0005] The technical solution adopted by this utility model to solve its technical problem is: an electric snap pliers, including a snap pliers body, and a tensioning mechanism is provided between the first handle and the second handle of the snap pliers body, the tensioning mechanism being used to automatically open the snap pliers opening; The tensioning mechanism includes a fixed plate, one side of which is fixedly connected to the surface of the first handle. A fixing member is fixedly connected to one side of the fixed plate. A first connecting rod is fixedly connected to the inner cavity of the fixing member. A second connecting rod is rotatably connected to the surface of the first connecting rod. A third connecting rod is rotatably connected to one end of the second connecting rod. A rotating mechanism is provided on one side of the third connecting rod.

[0006] Preferably, the rotating mechanism includes a central shaft, the surface of which is rotatably connected to the inner cavity of the first jaw, one end of which is fixedly connected to a servo motor fixing rod, one end of which is provided with a servo motor body, the output end of which is fixedly connected to a rotating shaft, and one end of which is fixedly connected to one side of the third link.

[0007] Preferably, a first jaw is fixedly connected to one side of the first jaw, a second jaw is fixedly connected to one side of the second jaw, a retaining spring body is sleeved on the surface of the second jaw, and a distance sensor is provided in the inner cavity of the first jaw.

[0008] Preferably, a servo battery is provided on one side of the servo motor body, and a servo switch is provided on one side of the servo motor body.

[0009] Preferably, a spring is fixedly connected to the surface of the first handle, and one end of the spring is fixedly connected to the surface of the second handle.

[0010] Preferably, a button is provided on one side of the fixing member, and the button is electrically connected to the servo motor body.

[0011] Preferably, the surface of the first handle is provided with anti-slip grooves, and the number of anti-slip grooves is several, which are arranged equidistantly on the surface of the first handle.

[0012] The advantages of this utility model are: This invention utilizes a tensioning mechanism. The third link rotates around a pivot axis, causing the second link, which is rotatably connected to both ends, to swing. Since the two ends of the second link are limited by the third and first links respectively, when the third link causes one end of the second link to swing, it causes the first link, which is rotatably connected to the other end of the second link, to move. This causes the first link to move the fixed component and fixed plate, which are fixed to it, and to move the first and second handles laterally. Using the lever principle, with the central axis as the fulcrum, the first and second jaws open or close, achieving the effect of removing the snap ring stably without damage. This solves the problem that traditional snap ring pliers are difficult for inexperienced users to quickly master. On the one hand, they need to align two relatively small holes, and on the other hand, they need to apply a relatively large force in the horizontal direction. This leads to problems such as the snap ring slipping out of the snap ring, the snap ring flying out, or the snap ring being stretched into plastic deformation and becoming unusable during use. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a first perspective view of the entire utility model; Figure 2 This is a second perspective view of the entire utility model; Figure 3 This is a three-dimensional schematic diagram of the tensioning mechanism of this utility model; Figure 4 This is a three-dimensional schematic diagram of the first clamping foot and the first handle of this utility model; Figure 5 This is a perspective view of the second clamping foot and the second handle of this utility model.

[0015] In the diagram: 1. Snap ring clamp body; 2. First handle; 3. Second handle; 4. Tensioning mechanism; 401. Fixing plate; 402. Fixing component; 403. First connecting rod; 404. Second connecting rod; 405. Third connecting rod; 406. First clamp foot; 407. Second clamp foot; 5. Rotation mechanism; 501. Central shaft; 502. Servo fixing rod; 503. Servo body; 504. Rotation shaft; 6. First clamp head; 7. Second clamp head; 8. Snap ring body; 9. Distance sensor; 10. Servo battery; 11. Servo switch; 12. Spring; 13. Button; 14. Anti-slip groove. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0017] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail. This application discloses an electric snap ring pliers. (See also...) Figures 1 to 3 Electric snap ring pliers, including snap ring pliers body 1, and a tensioning mechanism 4 is provided between the first handle 2 and the second handle 3 of snap ring pliers body 1. The tensioning mechanism 4 is used to automatically open the snap ring pliers jaws. The tensioning mechanism 4 includes a fixed plate 401, one side of which is fixedly connected to the surface of the first handle 2. A fixing member 402 is fixedly connected to one side of the fixed plate 401. A first connecting rod 403 is fixedly connected to the inner cavity of the fixing member 402. A second connecting rod 404 is rotatably connected to the surface of the first connecting rod 403. A third connecting rod 405 is rotatably connected to one end of the second connecting rod 404. A rotating mechanism 5 is provided on one side of the third connecting rod 405. By setting the tensioning mechanism 4, the third connecting rod 405 rotates around the rotating shaft 504, thereby driving its two ends to rotate. When the second link 404 swings, since the two ends of the second link 404 are limited by the third link 405 and the first link 403 respectively, when the third link 405 drives one end of the second link 404 to swing, it drives the first link 403 connected to the other end of the second link 404 to move. Thus, the first link 403 drives the fixed part 402 and the fixed plate 401 fixedly connected to it to move, and moves the first handle 2 and the second handle 3 laterally. Using the lever principle, the first clamp head 6 and the second clamp head 7 open or close with the central shaft 501 as the fulcrum.

[0018] Reference Figure 3 and Figure 4 The rotating mechanism 5 includes a central shaft 501, the surface of which is rotatably connected to the inner cavity of the first jaw 406. One end of the central shaft 501 is fixedly connected to a servo motor fixing rod 502, and one end of the servo motor fixing rod 502 is provided with a servo motor body 503. The output end of the servo motor body 503 is fixedly connected to a rotating shaft 504, and one end of the rotating shaft 504 is fixedly connected to one side of the third link 405. By setting the rotating mechanism 5, the servo motor body 503 works, controlling the rotating shaft 504 fixedly connected to its output end to rotate, so that the third link 405 fixedly connected to one end of the rotating shaft 504 rotates around the rotating shaft 504 as the center.

[0019] Reference Figure 4 and Figure 5 A first jaw 6 is fixedly connected to one side of the first jaw 406, and a second jaw 7 is fixedly connected to one side of the second jaw 407. A snap ring body 8 is sleeved on the surface of the second jaw 7. A distance sensor 9 is provided in the inner cavity of the first jaw 406. The distance sensor 9 is an existing structure, model Laser. The structure of the distance sensor 9 includes a laser emitter, a receiving lens, a signal processing circuit, and a position sensitive device. The distance sensor 9 uses a PLC to process and transmit signals, and transmits the measured opening and closing distance to the servo motor body 503. Different rotation angles are output according to different distances to ensure that it can be used with snap ring bodies 8 of various sizes.

[0020] Reference Figure 4A servo battery 10 is provided on one side of the servo motor body 503, and a servo switch 11 is provided on one side of the servo motor body 503. By providing the servo battery 10, the servo battery 10 can provide energy to the servo motor body 503. By providing the servo switch 11, the servo switch 11 can be turned on when the device needs to be used, and turned off when the work is finished to avoid energy waste.

[0021] Reference Figure 3 A spring 12 is fixedly connected to the surface of the first handle 2. One end of the spring 12 is fixedly connected to the surface of the second handle 3. By setting the spring 12, when the first jaw 6 and the second jaw 7 open, the spring 12 stretches and deforms to accumulate elastic potential energy. When the rotating mechanism 5 stops supplying energy, the spring 12 releases the elastic potential energy, thereby causing the first jaw 6 and the second jaw 7 to retract and reset.

[0022] Reference Figure 4 A button 13 is provided on one side of the fixing part 402. The button 13 is electrically connected to the servo motor body 503. By setting the button 13, the servo motor switch 11 is turned on. After manually aligning the two holes of the snap ring body 8, the start button 13 is pressed. The servo motor body 503 will output an appropriate turning angle according to the distance information transmitted by the distance sensor 9, so as to ensure that the snap ring body 8 can be stably removed without damage.

[0023] Reference Figure 4 The surface of the first handle 2 is provided with anti-slip grooves 14. There are several anti-slip grooves 14, which are arranged at equal intervals on the surface of the first handle 2. By setting the anti-slip grooves 14, the roughness of the first handle 2 and the second handle 3 is increased, thereby improving the friction between the first handle 2 and the second handle 3 and the worker's hand and preventing slippage.

[0024] Working principle: After manually aligning the two holes of the snap ring body 8, press the start button 13. The servo body 503 will output an appropriate turning angle based on the distance information transmitted by the distance sensor 9. The servo body 503 works, controlling the rotation of the rotating shaft 504 fixedly connected to its output end. This causes the third link 405, which is fixedly connected to one end of the rotating shaft 504, to rotate around the rotating shaft 504. The rotating shaft 504 drives the second link 404, which is rotated at both ends, to swing. Since the two ends of the second link 404 are limited by the third link 405 and the first link 403 respectively, when the third link 405 drives one end of the second link 404 to swing, it drives the first link 403, which is rotated at the other end of the second link 404, to move. Thus, the first link 403 drives the fixed part 402 and the fixed plate 401, which are fixedly connected to it, to move. This moves the first handle 2 and the second handle 3 laterally. Using the lever principle, the first clamp 6 and the second clamp 7 open or close with the central shaft 501 as the fulcrum.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. An electric snap ring pliers, characterized in that: The pliers include a snap ring clamp body (1), and a tensioning mechanism (4) is provided between the first handle (2) and the second handle (3) of the snap ring clamp body (1). The tensioning mechanism (4) is used to automatically open the snap ring clamp jaws. The tensioning mechanism (4) includes a fixing plate (401), one side of which is fixedly connected to the surface of the first handle (2), and a fixing member (402) is fixedly connected to one side of the fixing plate (401). A first connecting rod (403) is fixedly connected to the inner cavity of the fixing member (402). A second connecting rod (404) is rotatably connected to the surface of the first connecting rod (403). A third connecting rod (405) is rotatably connected to one end of the second connecting rod (404). A first clamp (406) is fixedly connected to one end of the first handle (2), and a second clamp (407) is fixedly connected to one end of the second handle (3). A rotating mechanism (5) is provided on one side of the third connecting rod (405).

2. The electric snap ring pliers according to claim 1, characterized in that: The rotating mechanism (5) includes a central shaft (501), the surface of which is rotatably connected to the inner cavity of the first jaw (406). One end of the central shaft (501) is fixedly connected to a servo motor fixing rod (502), and one end of the servo motor fixing rod (502) is provided with a servo motor body (503). The output end of the servo motor body (503) is fixedly connected to a rotating shaft (504), and one end of the rotating shaft (504) is fixedly connected to one side of the third connecting rod (405).

3. The electric snap ring pliers according to claim 1, characterized in that: A first jaw (6) is fixedly connected to one side of the first jaw (406), and a second jaw (7) is fixedly connected to one side of the second jaw (407). A snap ring body (8) is sleeved on the surface of the second jaw (7), and a distance sensor (9) is provided in the inner cavity of the first jaw (406).

4. The electric snap ring pliers according to claim 2, characterized in that: A servo battery (10) is provided on one side of the servo body (503), and a servo switch (11) is provided on one side of the servo body (503).

5. The electric snap ring pliers according to claim 1, characterized in that: A spring (12) is fixedly connected to the surface of the first handle (2), and one end of the spring (12) is fixedly connected to the surface of the second handle (3).

6. The electric snap ring pliers according to claim 1, characterized in that: A button (13) is provided on one side of the fixing member (402), and the button (13) is electrically connected to the servo body (503).

7. The electric snap ring pliers according to claim 1, characterized in that: The surface of the first handle (2) is provided with anti-slip grooves (14), and there are several anti-slip grooves (14), which are arranged at equal intervals on the surface of the first handle (2).

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