Disclosure of Invention
The invention aims at solving the technical problems of the prior art, and provides the bracket capable of rapidly loading and unloading objects with different sizes, which has reasonable structural layout and convenient and rapid clamping and can clamp objects with different sizes at the same time.
The technical scheme adopted for solving the technical problems is as follows: a bracket capable of rapidly loading and unloading objects with different sizes comprises a first fixed claw, a first movable claw, a second movable claw and a second fixed claw which are sequentially arranged, wherein a tubular piece is arranged between the first movable claw and the second movable claw, and the first fixed claw and the second fixed claw are respectively connected with the tubular piece; the tubular piece is provided with a first ejector rod and a second ejector rod in a sliding manner sequentially from the first movable claw to the second movable claw; the first ejector rod and the second ejector rod are respectively provided with a splayed guide slope, and wedge-shaped blocks which can synchronously act on the guide slope are arranged between the first ejector rod and the second ejector rod; the tubular piece is provided with a driving device which is propped against one end of the big end of the wedge-shaped block; the tubular member is provided with a third chute for lateral movement of the wedge.
Embodiment 1 is equipped with the first shaft hole of direct wedge on the basis of above-mentioned scheme, and drive arrangement includes third slider, pull rod, pin and spanner, and the third slider slides and sets up in the big end one end of wedge, and the pull rod is located in the first shaft hole, and the one end of pull rod links in the third slider, and the other end passes through the pin rotation and links in the spanner, and spanner lever top is in the outer wall of tubular.
The tubular member of embodiment 2 is provided with a first shaft hole of the through wedge block, the driving device comprises a screw rod which is rotationally arranged in the first shaft hole, the screw rod is slidably arranged at one end of the big end of the wedge block and is in threaded connection with the wedge block of the screw rod, and one end of the screw rod, which is positioned in the first shaft hole, is provided with a first limiting member.
In the scheme, the wedge block comprises a second sliding groove which is clamped on the second sliding block and can slide along the length direction of the tubular piece relative to the second sliding block, and the wedge block also comprises a first sliding groove which is sleeved on the screw and can slide along the length direction of the tubular piece relative to the screw, and a limiting step for limiting the second sliding block to enter the first sliding groove is arranged between the first sliding groove and the second sliding groove.
In the above-described embodiment, the first locking pawl comprises a first annular body rotatably coupled to the tubular member.
Example 3 the tubular member was made to be a straight tube on the basis of example 2, the second fixed jaw comprising a U-shaped fork; the U-shaped fork part fork is provided with a column body, one end of the column body, which is positioned in the second fixed claw and the second movable claw, is fixedly connected with a first universal ball, and the other end of the column body is fixedly connected with a sucker.
Example 4 the tubular member was made to be a straight tube on the basis of example 2, the second fixed jaw comprising a U-shaped fork; the U-shaped fork part fork is provided with a cylinder, one end of the cylinder, which is positioned in the second fixed claw and the second movable claw, is fixedly connected with a first universal ball, and the other end of the cylinder is provided with threads.
The tubular member of embodiment 5 is provided with a first shaft hole through which the wedge block is directly connected, the driving device comprises a screw rod rotatably arranged in the first shaft hole, the screw rod is slidably arranged at one end of the big end of the wedge block and is in threaded connection with the wedge block of the screw rod, and one end of the screw rod, which is positioned in the first shaft hole, is provided with a first limiting member.
A second universal ball is arranged between the second fixed claw and the second ejector rod, the second universal ball is fixedly connected with a mobile phone clamp, and the second movable claw can be fixed on the second ejector rod and can also be used as a part of a pit of the second ejector rod.
In the scheme, the wedge block comprises a second sliding groove which is clamped on the second sliding block and can slide along the length direction of the tubular piece relative to the second sliding block, and the wedge block also comprises a first sliding groove which is sleeved on the screw and can slide along the length direction of the tubular piece relative to the screw, and a limiting step for limiting the second sliding block to enter the first sliding groove is arranged between the first sliding groove and the second sliding groove.
The tubular members of examples 2 to 4 are provided with a second shaft hole coaxial with the first shaft hole, the end of the screw is radially expanded with a second limiting member, and the second limiting member is propped against the outer edge of the second shaft hole.
In the scheme, the first sliding groove is positioned at one side of the first shaft hole.
In the above scheme, the second fixed claw comprises a second annular body rotationally sleeved on the tubular member, and a gap is arranged between the screw and the first chute in the transverse direction of the tubular member.
Compared with the prior art, the bracket capable of rapidly loading and unloading objects with different sizes comprises a first fixed claw, a first movable claw, a second movable claw and a second fixed claw which are sequentially arranged; the tubular piece is provided with a first ejector rod and a second ejector rod in a sliding manner sequentially from the first movable claw to the second movable claw; the first ejector rod and the second ejector rod are respectively provided with a splayed guide slope, and wedge-shaped blocks which can synchronously act on the guide slope are arranged between the first ejector rod and the second ejector rod; the tubular piece is provided with a driving device which is propped against one end of the big end of the wedge-shaped block; the tubular member is provided with a third chute for lateral movement of the wedge. The driving device can push the wedge block to slide along the third sliding groove, and push the first ejector rod and the second ejector rod away simultaneously, and after the movement of the first ejector rod is blocked, the wedge block can continuously push the second ejector rod to move until the first movable claw and the second movable claw simultaneously clamp an object. The invention can clamp objects with different sizes at the same time, and is convenient and quick to detach and install.
Description of the embodiments
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 13 are schematic structural views of the present invention.
Wherein the reference numerals are as follows: the first fixed jaw 1, the first annular body 11, the first movable jaw 21, the first ejector 22, the second step surface 221, the third step surface 222, the first spring 223, the tubular member 3, the third chute 31, the first shaft hole 32, the second shaft hole 33, the first slider 4, the first chute 41, the second chute 42, the limit step 421, the tapered slope surface 43, the guide slope surface 431, the second slider 5, the screw 61, the first stopper 62, the second stopper 63, the second movable jaw 71, the second ejector 72, the fourth step surface 721, the fifth step surface 722, the second spring 723, the second fixed jaw 8, the second annular body 81, the U-shaped fork 82, the first universal ball 91, the cylinder 92, the suction cup 93, the first object 101, the second object 102, the third slider 103, the pull rod 104, the pin 105, the wrench 106, the second universal ball 107, and the hand grip 108.
Fig. 1 to 13 are schematic structural views of the present invention, and as shown in the drawings, a rack capable of rapidly loading and unloading objects with different sizes of the present invention includes a first fixed jaw 1, a first movable jaw 21, a second movable jaw 71 and a second fixed jaw 8 which are sequentially arranged, a tubular member 3 is arranged between the first movable jaw 21 and the second movable jaw 71, and the first fixed jaw 1 and the second fixed jaw 8 are respectively connected to the tubular member 3; the tubular piece 3 is provided with a first ejector rod 22 and a second ejector rod 72 in a sliding manner sequentially from the first movable claw 21 to the second movable claw 71; the first ejector rod 22 and the second ejector rod 72 are respectively provided with a splayed guide slope 431, and a wedge-shaped block 4 which can synchronously act on the guide slope 431 is arranged between the first ejector rod 22 and the second ejector rod 72; the tubular member 3 is provided with a driving device which is propped against one end of the big end of the wedge-shaped block 4; the tubular member 3 is provided with a third chute 31 for lateral movement of the wedge 4. The wedge 4 has a tapered ramp surface 43 slidably fitted over the guide ramp surface 431, a first object 101 is held between the first fixed jaw 1 and the first movable jaw 21, a second object 102 is held between the second fixed jaw 8 and the second movable jaw 71, and the common first object 101 and second object 102 include a mobile phone, a microphone, a mirror, and other supports. The first stopper 62 serves as a knob. As shown in fig. 6, by appropriately increasing the position of the middle section of the tubular member 3, the length of the third chute 31 can be increased, so that the stroke of the wedge block 4 can be increased, and eventually the stroke of the first movable claw 21 and the second movable claw 71 can be increased, and an object of a larger size range can be gripped, as shown in fig. 6. The first fixed claw 1 and the second fixed claw 8 can be made into a ring shape or a half frame shape according to actual needs.
The tubular member 3 of embodiment 1 is provided with the first shaft hole 32 of the through wedge 4, the driving device comprises a third slider 103, a pull rod 104, a pin 105 and a wrench 106, the third slider 103 is slidably disposed at one end of the large end of the wedge 4, the pull rod 104 is disposed in the first shaft hole 32, one end of the pull rod 104 is connected to the third slider 103, the other end is rotatably connected to the wrench 106 through the pin 105, and the wrench 106 is lever-type propped against the outer wall of the tubular member 3, as shown in fig. 1 and 2.
The tubular member 3 of embodiment 2 is provided with a first shaft hole 32 which is directly connected to the wedge block 4, the driving device comprises a screw 61 which is rotatably provided in the first shaft hole 32, the wedge block 4 which is slidably provided at one end of the large end of the wedge block 4 and is screwed to the screw 61, and a first stopper 62 is provided at one end of the screw 61 which is located in the first shaft hole 32.
In the above-mentioned scheme, the wedge block 4 includes a second sliding groove 42 that is clamped on the second sliding block 5 and can slide along the length direction of the tubular member 3 relative to the second sliding block 5, the wedge block 4 further includes a first sliding groove 41 that is sleeved on the screw 61 and can slide along the length direction of the tubular member 3 relative to the screw 61, and a limiting step 421 for limiting the second sliding block 5 to enter the first sliding groove 41 is disposed between the first sliding groove 41 and the second sliding groove 42, as shown in fig. 2 and 3.
In the above-described solution the first jaw 1 comprises a first annular body 11 rotatably connected to the tubular member 3, enabling the first jaw 1 to rotate around the tubular member 3.
Example 3 the tubular member was made to be a straight tube on the basis of example 2, and as shown in fig. 8, the second fixed jaw 8 includes a U-shaped fork 82; the U-shaped fork 82 is provided with a column 92, one end of the column 92, which is positioned in the second fixed jaw 8 and the second movable jaw 71, is fixedly connected with a first universal ball 91, and the other end is fixedly connected with a sucking disc 93. In embodiment 3, the mobile phone is clamped between the first fixed jaw 1 and the first movable jaw 21, and the suction cup 93 can be fixed on the plane of the dashboard, the desktop, etc. in an adsorption manner. The mobile phone can be used on an automobile to greatly expand the functions of the mobile phone, so that the mobile phone can be erected on an instrument panel to be used as a navigation and automobile data recorder. The second object 102 in embodiment 2 is the first universal ball 91.
Example 4 the tubular member was made to be a straight tube on the basis of example 2, and as shown in fig. 9, the second fixing jaw 8 includes a U-shaped fork 82; the U-shaped fork 82 is provided with a column 92, one end of the column 92 in the second fixed jaw 8 and the second movable jaw 71 is fixedly connected with a first universal ball 91, and the other end is provided with threads. The second object 102 in embodiment 4 is the first universal ball 91. The column 92 in the embodiment 3 can be in threaded connection with the threaded connection part of the single-lens reflex camera, and the first fixed jaw 1 and the first movable jaw 21 can be clamped on other fixing frames.
The application of embodiment 4 to a mobile phone is also significantly inventive, the threaded end of the cylinder 92 is aligned to the threaded hole of the tripod special for the camera, then the mobile phone is placed between the first fixing jaw 1 and the first moving jaw 21, the first fixing jaw 1 and the mobile phone are pinched by one hand, and after the angle is adjusted, the screw 61 is screwed, so that the first universal ball 91 and the mobile phone can be simultaneously clamped.
The tubular member 3 of embodiment 5 is provided with a first shaft hole 32 which is directly connected to the wedge block 4, the driving device comprises a screw 61 which is rotatably provided in the first shaft hole 32, the wedge block 4 which is slidably provided at one end of the large end of the wedge block 4 and is screwed to the screw 61, and a first stopper 62 is provided at one end of the screw 61 which is located in the first shaft hole 32.
As shown in fig. 13, a second universal ball 107 is disposed between the second fixed claw 8 and the second ejector rod 72, and the second universal ball 107 is fixedly connected with a mobile phone clip 108. In use, the mobile phone is placed in the mobile phone holder 108, then the first fixed jaw 1 and the first movable jaw 21 of the present bracket are aligned with the first object 101, and then the driving device is controlled to fix both ends of the tubular member 3 at the same time. The second object 102 in embodiment 5 is a second gimbal ball 107. The advantages of example 5 are: when the bracket is installed, the mobile phone is only needed to be held by hand to swing to a required angle, then the first fixed jaw 1 and the first movable jaw 21 are aligned with a fixed object, and then both ends can be locked at one time; in addition, the mobile phone can be independently taken down without disassembling the bracket, and the initial angle of the mobile phone screen can not be changed when the mobile phone is installed on the bracket again.
In the above-mentioned scheme, the wedge block 4 includes a second sliding groove 42 that is clamped on the second sliding block 5 and can slide along the length direction of the tubular member 3 relative to the second sliding block 5, the wedge block 4 further includes a first sliding groove 41 that is sleeved on the screw 61 and can slide along the length direction of the tubular member 3 relative to the screw 61, and a limiting step 421 for limiting the second sliding block 5 to enter the first sliding groove 41 is disposed between the first sliding groove 41 and the second sliding groove 42, as shown in fig. 2 and 3.
The tubular member 3 of examples 2 to 4 is provided with the second shaft hole 33 coaxial with the first shaft hole 32, and the end portion of the screw 61 is radially expanded with the second stopper 63, and the second stopper 63 is abutted against the outer edge of the second shaft hole 33. The second stopper 63 prevents the screw 61 from coming out toward the first shaft hole 32. The second stopper 63 may also be a knob.
In the above embodiment, the first chute 41 is located at one side of the first shaft hole 32, as shown in fig. 1.
As shown in fig. 1 and 2, the second fixed jaw 8 of the above-mentioned scheme includes a second annular body 81 rotatably sleeved on the tubular member 3, and a gap is provided between the screw 61 and the first chute 41 in the lateral direction of the tubular member 3, so that frictional resistance between the screw 61 and the first chute 41 is reduced.
As shown in fig. 1 and 2, as shown in fig. 11, the first ejector rod 22 in the above scheme is provided with a second step surface 221 facing the first movable claw 21, the tubular member 3 is provided with a third step surface 222 facing the second step surface 221, and a first spring 223 is arranged between the second step surface 221 and the third step surface 222 in a propping manner; the second carrier rod 72 is provided with a fourth step surface 721 facing the second movable claw 71, the tubular member 3 is provided with a fifth step surface 722 facing the fourth step surface 721, and a second spring 723 is provided between the fourth step surface 721 and the fifth step surface 722. The first and second springs 223, 723 are arranged to return the first and second carrier rods 22, 72.
The working principle of the invention is as follows:
a first step of placing the first object 101 between the first fixed jaw 1 and the first movable jaw 21, and pinching the first fixed jaw 1 and the first object 101 with one hand;
a second step of aligning the second fixed jaw 8 and the second movable jaw 71 with the second object 102;
thirdly, the first limiting piece 62 is operated to enable the screw 61 to rotate, the second sliding block 5 is driven to move along the length direction of the screw 61, the second sliding block 5 drives the wedge block 4 to synchronously move, the gradually-reduced slope surface 43 on the wedge block 4 is tangent to the guide slope surface 431, and therefore the wedge block 4 can push the first ejector rod 22 and the second ejector rod 72 to move towards two ends of the tubular piece 3; the first ejector rod 22 pushes the first movable claw 21 to move towards the first fixed claw 1, the second ejector rod 72 pushes the second movable claw 71 to move towards the second fixed claw 8, as shown in fig. 4, when the first movable claw 21 is blocked by the first object 101, the first ejector rod 22 is limited in movement, and the wedge block 4 continues to push the second ejector rod 72 to move until the first movable claw 21 and the second movable claw 71 clamp the first object 101 and the second object 102 at the same time, as shown in fig. 5.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.