Quick locking device with shifting handle

Abstract

The utility model discloses a quick locking device with a shifting handle, which is characterized in that a shifting piece is hinged with a hinging seat and is clamped in a base, and when the shifting piece is rotated to be opened or buckled, the hinging seat is driven to correspondingly slide left and right relative to the base, so that the coaxial positions of a through hole and a rotation stopping notch on the hinging seat and a screw through hole of the base are switched; when the rotation stopping notch is coaxial with the screw through hole of the base, the screw can be tightened by rotating the shifting piece or the base, meanwhile, when the hinge seat slides rightwards, the upper surface of the hinge seat can be correspondingly lowered or raised, so that the screw is further lifted and tensioned, and the screw tightening device has the advantages that a fastening tool is not needed, the tightening mode is easy and convenient, and fastening is reliable.

Description

[Technical field]

[0002] The utility model relates to a screw locking device, in particular to a quick locking device with a pull handle. [Background technology]

[0004] The toilet seat hinges, ceramics, plastics, etc. on the market currently require screws to fasten, and are usually fastened using expansion rubber columns. The old structure has the disadvantage that it requires tools to tighten, and it is difficult to achieve quick installation in the absence of tools. The second disadvantage is that the locking torque is small, and it is difficult to achieve large torque locking using a screwdriver tool. The third disadvantage is that the existing quick-release and quick-install screws on the market often have the pain point of poor locking effect, or the wrench structure is difficult to close after locking. There is an urgent need for a new type of screw fastening device to improve people's ever-increasing requirements for installation experience.

[0005] The technical solution of the utility model is proposed in particular to solve the above technical problems. [Contents of the utility model]

[0007] The utility model aims to overcome the above-mentioned problems and provides a quick locking device with a lever, which adopts a lever to be hinged with an articulated seat, and the articulated seat is clamped in the base. After the screw passes through the articulated seat and the base, when the lever is rotated to open, the articulated seat is driven to slide leftward in the base, and the screw is limited by the anti-rotation recess on the articulated seat. The screw can be quickly locked or loosened by rotating the lever or the base, and then the lever is rotated to engage, which drives the articulated seat to slide rightward in the base and drives the upper surface of the articulated seat to rise accordingly to tighten the screw to achieve secondary tightening. The technical solution has the advantages of no need for fastening tools, easy and convenient tightening method, large distance locking, and reliable fastening.

[0008] The utility model is realized by the following technical solutions:

[0009] A quick locking device with a lever handle comprises a lever 1, an articulated seat 3 and a base 4, wherein the articulated seat 3 is provided with an articulated portion 31, the lever 1 is articulated on the articulated portion 31 through a rotating shaft 2, and the connecting end of the lever 1 and the articulated portion 31 is convexly extended to form an eccentric portion 13, the articulated seat 3 can be movably clamped on the base 4 and when the lever 1 rotates around the rotating shaft 2, the eccentric portion 13 abuts against the base 4 so that the articulated seat 3 slides left and right relative to the base 4; the base 4 is provided with a first screw through hole 47 for the screw 6 to pass through, Correspondingly, the hinge seat 3 is also provided with a second connecting through hole 341 for the screw 6 to pass through, and a stop groove 342 is provided on the hinge seat 3 and is located on one side of the second connecting through hole 341. When the paddle 1 is rotated and engaged, the hinge seat 3 slides relative to the base 4 away from the eccentric portion 13 so that the first screw through hole 47 is coaxial with the second connecting through hole 341; when the paddle 1 is rotated to open, the hinge seat 3 slides relative to the base 4 toward the eccentric portion 13 so that the first screw through hole 47 is coaxial with the stop groove 342.

[0010] As mentioned above, the plectrum 1 is provided with a window 12 .

[0011] As described above, the base 4 is provided with a cavity 40 for accommodating the hinge seat 3, and blocks 49 for engaging with the ends of the rotating shaft 2 are provided on the base 4 and located on both sides of the cavity 40, and a groove 41 for interfering with the eccentric portion 13 is provided between the two blocks 49 and located at the bottom of the cavity 40.

[0012] As described above, a first inclined surface 33 is formed at the bottom of the hinge seat 3 away from the hinge part 31, and a second inclined surface 45 that contacts and cooperates with the first inclined surface 33 is formed at the side of the base 4 away from the groove 41. When the paddle 1 rotates, the hinge seat 3 can slide left and right along the second inclined surface 45 of the base 4 through the first inclined surface 33 at the bottom to drive the upper surface of the hinge seat 3 to be lowered or raised accordingly.

[0013] As mentioned above, a fulcrum protrusion 48 is formed on the bottom surface of the cavity 40 and at the edge of the groove 41 , and the fulcrum protrusion 48 supports the rotating eccentric portion 13 when the plectrum 1 is buckled.

[0014] As mentioned above, a limiting portion 43 is provided on the base 4 and located on the side wall of the first screw through hole 47 to allow the screw 6 to be inserted in one direction and to limit its upward movement.

[0015] As described above, the limiting portion 43 can be elastically deformed and arranged obliquely downward along the side wall of the first screw through hole 47 , and the lower end of the limiting portion 43 has a braking tip 431 that can resist and clamp on the clamping groove 63 of the screw 6 .

[0016] As described above, the bottom of the base 4 is connected to a rubber column 7 for threaded connection of the lower part of the screw 6, and the rubber column 7 includes a hollow upper connecting portion 71 and a lower connecting portion 72, the upper connecting portion 71 is connected to the bottom of the base 4, and a connecting external thread 711 is provided on the outer side of the lower part of the upper connecting portion 71, a connecting belt 712 is provided between the upper connecting portion 71 and the lower connecting portion 72, and a pointed cone portion 721 that can be inserted into the bottom hole of the upper connecting portion 71 is provided on the upper part of the lower connecting portion 72, and the lower connecting portion 72 is also provided with a connecting internal thread 722 for connection with the screw 6.

[0017] As described above, the side wall of the upper connecting part 71 is provided with an expansion groove 713 along the axial direction. When the screw 6 is tightened and rotated relative to the base 4, the screw 6 drives the lower connecting part 72 to rotate upward along the screw 6 and insert into the bottom hole of the upper connecting part 71 to expand it.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] 1. After the screw passes through the device, turn the paddle to open, drive the hinge seat to slide to the left in the base, and clamp the screw in the anti-rotation notch on the hinge seat to limit the position. Then rotate the paddle or the base to tighten or loosen the screw. The screw can be tightened or loosened by hand. Because the base is square, the tightening method is easier and more labor-saving than using a screwdriver. No external tools are required. The operation is more convenient and large-torque locking can be achieved. At the same time, the base can be tightened or loosened with a wrench. The device has multiple tightening methods.

[0020] 2. After locking the screw by rotating the pick or the base, turn the pick again until it is engaged. The eccentric part on the pick contacts the base to push the hinge seat to slide to the right in the base, and drive the upper surface of the hinge seat to lift and lift the screw. Further tightening the screw can achieve secondary tightening, which makes the tightening effect more firm and more reliable.

[0021] 3. The screws can be tightened with a screwdriver through the window on the pick, which is compatible with both bare-hand and screwdriver tightening methods and has a wider range of applications. If the screws become loose after long-term use, they can be quickly tightened with a screwdriver through the window, making maintenance convenient.

Brief Description of the Drawings

[0023] Figure 1 It is a schematic diagram of the plectrum and the hinged seat of the utility model.

[0024] Figure 2 It is a schematic diagram of the base of the utility model.

[0025] Figure 3 It is a schematic diagram of the screw of the utility model.

[0026] Figure 4 This is a diagram showing the matching of the screw, the paddle and the hinged seat of the utility model.

[0027] Figure 5 It is a schematic diagram of the gasket of the utility model.

[0028] Figure 6 It is a schematic diagram of the glue column of the utility model.

[0029] Figure 7 It is a cross-sectional view of the utility model when the paddle is opened.

[0030] Figure 8 It is a cross-sectional view of the paddle of the utility model when it is buckled.

[0031] Fig. 9 It is a schematic diagram of the cooperation between the screw and the hinge seat when the paddle of the utility model is opened.

[0032] Fig.10 It is a schematic diagram of the cooperation between the screw and the hinge seat when the paddle of the utility model is buckled.

[0033] Fig.11 It is a three-dimensional diagram of the utility model when the paddle is opened.

[0034] Fig.12 It is a three-dimensional diagram of the paddle of the utility model when it is buckled. [Specific implementation method]

[0036] The implementation modes of the present utility model are described in detail below in conjunction with the accompanying drawings.

[0037] A quick locking device with a pull handle comprises a pull piece 1, a hinge seat 3 and a base 4, as shown in Figure 1 As shown, the hinge seat 3 is provided with a hinge part 31, and the hinge part 31 is two circular rings arranged at one end of the hinge seat 3. The paddle 1 is hinged to the two circular rings through the rotating shaft 2. After the hinge, the two ends of the rotating shaft 2 protrude from the two circular rings of the hinge part 31, and the connecting end of the paddle 1 and the hinge part 31 convexly extends outward to form an eccentric part 13. The eccentric part 13 is formed with a hole 14 for the rotating shaft 2 to pass through on the side close to the paddle 1, and the side of the eccentric part 13 away from the paddle 1 is arc-shaped, and the eccentric part 13 can slide in the groove 41 of the base 4 through the arc, as shown in FIG. Figure 2 and Fig.11 As shown, the hinge seat 3 is movably engaged in the base 4 through the blocks 49 on the two side walls 46 of the concave cavity 40 of the base 4, and when the paddle 1 rotates around the rotating shaft 2, as shown in FIG. Figure 7 and Figure 8As shown, the arc surface of the eccentric portion 13 away from the plectrum 1 abuts against the side wall 42 of the groove 41 in the base 4, so that the hinge seat 3 slides left and right relative to the base 4; the base 4 is provided with a first screw through hole 47 for the screw 6 to pass through in the middle position, and the hinge seat 3 is also provided with a second connecting through hole 341 for the screw 6 to pass through, and the hinge seat 3 is provided with a stop notch 342 on one side of the second connecting through hole 341, as shown in FIG. Fig.10 As shown, when the pick 1 is rotated and buckled, the hinge seat 3 slides relative to the side of the base 4 away from the eccentric portion 13, so that the first screw through hole 47 and the second connecting through hole 341 are coaxial. Since the inner diameter of the second connecting through hole 341 is larger than the maximum outer size of the clamping portion 62 of the screw 6, the clamping portion 62 of the screw 6 is not restricted by the second connecting through hole 341, and a screwdriver can be used to tighten or loosen the screw through the window 12 of the pick 1; Fig. 9 As shown, when the paddle 1 is rotated to open, the hinge seat 3 slides toward the eccentric portion 13 relative to the base 4 so that the first screw through hole 47 is coaxial with the anti-rotation recess 342. Since the clamping portion 62 of the screw 6 is limited by the anti-rotation recess 342, the screw 6 can be rotated by rotating the paddle 1 or rotating the base 4, so that the screw can be tightened or loosened without external tools, and the screw can also be tightened or loosened by tightening the outer periphery of the base 4 with a wrench.

[0038] This technical solution does not require external tools, and the screws can be tightened or loosened by hand through a pick or a base. It is easy to operate, can tighten the screws with a large force, and has a variety of fastening methods.

[0039] Further, such as Fig.11 and Fig.12 As shown, the pick 1 is provided with a window 12. When the pick 1 is engaged, the groove on the nut 61 of the screw 6 is coaxial with the center line of the window 12. A screwdriver can be inserted into the groove on the nut 61 through the window 12 to tighten or loosen the screw. The screw is compatible with both manual and screwdriver tightening methods, and has a wide range of applications. If the screw is loosened during subsequent use, maintenance is very convenient.

[0040] Further, such as Figure 2 As shown, the base 4 is provided with a cavity 40 for accommodating the hinge seat 3, and a notch is provided on one side of the cavity 40. When the paddle 1 is rotated to engage, the end of the paddle 1 away from the shaft 2 is stuck in the notch, which is convenient for the user to operate the paddle 1. The two side walls 46 of the cavity 40 of the base 4 are provided with a clamping block 49 for clamping with the two ends of the shaft 2. The two ends of the shaft 2 are clamped under the clamping block 49. A groove 41 for contacting and cooperating with the eccentric part 13 is provided between the two clamping blocks 49 and at the bottom of the cavity 40. Figure 7As shown, when the paddle 1 is rotated to open, the arc surface of the eccentric portion 13 formed by the convex extension thereof slides into the groove 41 along the side wall 42 of the groove 41, and pulls the hinge seat 3 to slide in the base relative to the side of the rotation shaft 2 through the rotation shaft 2, so that the anti-rotation recess 342 on the hinge seat 3 is coaxial with the first screw through hole 47 on the base 4. At this time, the anti-rotation recess 342 is clamped in the clamping portion 62 of the screw 6, and the screw 6 can be driven to rotate by rotating the paddle 1 and the base 4, so that the screw 6 can be locked or loosened by hand; as shown in FIG. Figure 8 As shown, when the pick 1 is rotated to be engaged, the arc surface of the eccentric portion 13 slides against the side wall 42 of the groove 41, and the hinge seat 3 is pushed to slide relatively to the right in the base through the rotating shaft 2, so that the second connecting through hole 341 on the hinge seat 3 and the first screw through hole 47 on the base 4 are coaxial. Since the inner diameter of the second connecting through hole 341 is larger than the maximum outer dimension of the clamping portion 62 of the screw 6, the clamping portion 62 of the screw 6 is not restricted by the second connecting through hole 341 at this time, and the screw can be tightened or loosened with a screwdriver through the window 12 of the pick 1.

[0041] Further, such as Figure 1 As shown, the bottom of the hinge seat 3 away from the hinge portion 31 is formed with a first inclined surface 33. Figure 2 As shown, the base 4 is formed with a second inclined surface 45 that contacts and cooperates with the first inclined surface 33 on one side away from the groove 41. When the paddle 1 rotates, the eccentric portion 13 of the paddle 1 contacts the side wall 42 of the groove 41 of the base 4, and the hinge seat 3 is driven by the rotating shaft 2 to slide left and right along the second inclined surface 45 of the base 4 through the first inclined surface 33 at the bottom. Figure 7 and Figure 8 As shown, the initial distance between the hinge seat 3 and the side wall 42 is A. After sliding, the distance between the hinge seat 3 and the side wall 42 is B, and the sliding stroke is 1 to 6 mm. At the same time, under the cooperation of the first inclined surface 33 and the second inclined surface 45, the upper surface of the hinge seat 3 is driven to be lowered or raised accordingly, and the lowering or raising stroke H is 0.5 to 2 mm. Figure 4 As shown, the nut 61 of the screw 6 is clamped on the upper surface 32 of the hinge seat 3. When the hinge seat 3 rises, the screw 6 is pulled up accordingly, and the screw 6 is further tightened to achieve secondary tightening, making the tightening effect more firm and reliable.

[0042] Further, such as Figure 2 and Figure 8 As shown, a fulcrum protrusion 48 is formed on the bottom surface of the cavity 40 and at the edge of the groove 41. The fulcrum protrusion 48 can support the rotating eccentric part 13 when the paddle 1 is engaged, and cooperate with the hinge seat 3 to lift and tighten the screw 6.

[0043] Further, such as Figure 2 and Figure 3As shown, a limiting portion 43 is provided on the base 4 and located on the side wall of the first screw hole 47, which allows the screw 6 to be inserted in one direction and limits its upward movement. When the screw 6 is inserted into the first screw hole 47, the limiting portion 43 clamps the slot 63 of the screw 6, thereby limiting its upward movement.

[0044] Further, such as Figure 2 and Figure 7 As shown, the limiting portion 43 can be elastically deformed and arranged obliquely downward along the side wall of the first screw hole 47, so that the screw 6 can be conveniently inserted into the first screw hole 47, and the lower end of the limiting portion 43 has a braking tip 431 that can resist and clamp on the groove 63 of the screw 6. After the limiting portion 43 clamps the groove 63 of the screw 6, the braking tip 431 completely restricts its upward movement.

[0045] Furthermore, the bottom of the base 4 is connected to a rubber column 7 for threading the lower part of the screw 6, such as Figure 6 As shown, the rubber column 7 includes a hollow upper connecting portion 71 and a lower connecting portion 72. The upper end surface of the upper connecting portion 71 is formed with a plurality of anti-slip protrusions, and the back surface is provided with a plurality of support strips. The upper connecting portion 71 is connected to the bottom of the base 4 and the lower outer side of the upper connecting portion 71 is provided with a connecting external thread 711 that cooperates with the external pre-connection hole. For example, when the rubber column 7 is inserted into the installation hole of the toilet cover, the upper connecting portion 71 of the rubber column 7 can be fastened in the installation hole of the toilet cover through the connecting external thread 711 on the lower outer side of the upper connecting portion 71 of the rubber column 7. A connecting belt 712 is provided between the upper connecting part 71 and the lower connecting part 72 to connect the two together. The upper end of the connecting belt 712 is connected to the bottom of the upper connecting part 71, and the lower end is connected to the bottom of the lower connecting part 72, so as to keep the relative positions of the two stable and facilitate storage and installation. The upper part of the lower connecting part 72 is provided with a pointed cone part 721 which can be inserted into the bottom hole of the upper connecting part 71. The side of the pointed cone part 721 is provided with a plurality of trapezoidal columns with a narrow upper end and a wide lower end. The lower connecting part 72 is also provided with a connecting internal thread 722 for connection with the screw 6.

[0046] Further, such as Figure 6 , Fig.11 and Fig.12 As shown, the side wall of the upper connecting portion 71 is provided with a tightening groove 713 along the axial direction, and the number of the tightening grooves 713 matches the number of the trapezoidal columns on the side of the pointed cone portion 721. When the rubber column 7 is installed in the external pre-connection hole and the upper connecting portion 71 is locked in the external pre-connection hole through the external thread 711 of the upper connecting portion 71, the paddle 1 is rotated to open, and the paddle 1 or the base 4 is rotated to tighten the screw 6, the screw 6 drives the lower connecting portion 72 to rotate upward along the screw 6 and insert into the bottom hole of the upper connecting portion 71, and the pointed cone portion 721 on the lower connecting portion 72 and the trapezoidal columns on the side are synchronously inserted into the tightening grooves 713 to expand the upper connecting portion 71 and tighten it.

[0047] Furthermore, it also includes Figure 5 The elastic gasket 5 shown, for example, when the device of the utility model is used to fix the toilet cover, the elastic gasket 5 can be installed between the toilet cover mounting hole and the base 4. After the rubber column 7 is inserted into the toilet cover mounting hole and expanded, the elastic gasket 5 produces strong elasticity, so that the fastening between the toilet cover mounting hole and the base 4 has the advantage of good resistance to vibration and impact, and the fastening reliability is higher.

[0048] Further, such as Figure 3 As shown, the screw 6 includes a nut 61, a clamping portion 62, a slot 63 and a column with external threads. A groove for a screwdriver to twist is provided in the middle of the nut 61. The clamping portion 62 is non-circular, and the outer diameter of the slot 63 is smaller than the outer diameter of the clamping portion 62.

Claims

1. A quick locking device with a pull handle, characterized in that: The invention comprises a plectrum (1), an articulated seat (3) and a base (4); the articulated seat (3) is provided with an articulated portion (31); the plectrum (1) is articulated on the articulated portion (31) via a rotating shaft (2); and the connecting end of the plectrum (1) and the articulated portion (31) is convexly extended to form an eccentric portion (13); the articulated seat (3) is movably clamped on the base (4); and when the plectrum (1) rotates around the rotating shaft (2), the eccentric portion (13) abuts against the base (4) so ​​that the articulated seat (3) slides left and right relative to the base (4); the base (4) is provided with a first screw through hole (47) for a screw (6) to pass through, and the eccentric portion (13) is relatively Accordingly, the hinge seat (3) is also provided with a second connecting through hole (341) for the screw (6) to pass through, and a stop groove (342) is provided on the hinge seat (3) and is located on one side of the second connecting through hole (341). When the paddle (1) is rotated and engaged, the hinge seat (3) slides relative to the base (4) away from the eccentric portion (13) so that the first screw through hole (47) and the second connecting through hole (341) are coaxial; when the paddle (1) is rotated to open, the hinge seat (3) slides relative to the base (4) toward the eccentric portion (13) so that the first screw through hole (47) and the stop groove (342) are coaxial.

2. A quick locking device with a pull handle according to claim 1, characterized in that: The plectrum (1) is provided with a window (12).

3. A quick locking device with a pull handle according to claim 1, characterized in that: The base (4) is provided with a cavity (40) for accommodating the hinge seat (3); the base (4) is provided with clamping blocks (49) located on both sides of the cavity (40) for clamping with the ends of the rotating shaft (2); and a groove (41) for abutting and cooperating with the eccentric portion (13) is provided between the two clamping blocks (49) and located at the bottom of the cavity (40).

4. A quick locking device with a pull handle according to claim 3, characterized in that: A first inclined surface (33) is formed at the bottom of the hinge seat (3) on a side away from the hinge portion (31), and a second inclined surface (45) is formed at the side of the base (4) away from the groove (41) to be in contact with the first inclined surface (33). When the paddle (1) rotates, the hinge seat (3) can slide left and right along the second inclined surface (45) of the base (4) via the first inclined surface (33) at the bottom, so as to drive the upper surface of the hinge seat (3) to be lowered or raised accordingly.

5. A quick locking device with a pull handle according to claim 3, characterized in that: A fulcrum protrusion (48) is formed on the bottom surface of the cavity (40) and is located at the edge of the groove (41). The fulcrum protrusion (48) supports the rotating eccentric part (13) when the paddle (1) is buckled.

6. A quick locking device with a pull handle according to claim 1, characterized in that: A limiting portion (43) is provided on the base (4) and located on the side wall of the first screw through hole (47) to allow the screw (6) to be inserted in one direction and to limit its upward movement.

7. A quick locking device with a pull handle according to claim 6, characterized in that: The limiting portion (43) can be elastically deformed and arranged obliquely downward along the side wall of the first screw through hole (47), and the lower end of the limiting portion (43) has a braking tip (431) that can resist and be clamped on the screw (6) clamping groove (63).

8. A quick locking device with a pull handle according to any one of claims 1 to 7, characterized in that: The bottom of the base (4) is connected to a rubber column (7) for threaded connection of the lower part of the screw (6), the rubber column (7) comprising a hollow upper connecting portion (71) and a lower connecting portion (72), the upper connecting portion (71) being connected to the bottom of the base (4) and a connecting external thread (711) being provided on the outer side of the lower part of the upper connecting portion (71), a connecting belt (712) being provided between the upper connecting portion (71) and the lower connecting portion (72), and a pointed cone portion (721) being insertable into the bottom hole of the upper connecting portion (71) being provided on the upper part of the lower connecting portion (72), and the lower connecting portion (72) being further provided with a connecting internal thread (722) for connection with the screw (6).

9. A quick locking device with a pull handle according to claim 8, characterized in that: The side wall of the upper connecting part (71) is provided with an expansion through groove (713) along the axial direction. When the screw (6) is tightened and rotated relative to the base (4), the screw (6) drives the lower connecting part (72) to rotate upward along the screw (6) and insert into the bottom hole of the upper connecting part (71) to expand.

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