Quick clamping fastener with elastic clamping force

Abstract

The utility model relates to the field of workpiece positioning, in particular to a quick clamping fastener with elastic clamping force, which comprises a mounting plate, and the surface of the mounting plate is fixedly connected with a connecting ring; the positioning mechanism is rotationally connected to the interior of the connecting ring, and the surface of the positioning mechanism extends to the exterior of the connecting ring; the positioning mechanism comprises an adjusting assembly installed in the connecting ring, the upper end and the lower end of the adjusting assembly both penetrate through the outer portion of the connecting ring, and the surface of the adjusting assembly is connected with an abutting assembly. According to the device, under the action of a second spring, a positioning supporting rod is kept to be located outside a rubber block in a normal state, the positioning supporting rod retracts into a bottom hole when making contact with the workpiece, and the lower end of the rubber block makes tight contact with the surface of the workpiece; and the multiple positioning supporting rods fully abut against the surface of the workpiece, and workpiece positioning is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to workpiece positioning field, especially a quick clamping fastener with elastic clamping force. BACKGROUND

[0002] When the workpiece is machined or used, the fastener is usually used to fix the position of the workpiece; the hole is set on the workpiece and the installation position, the bolt is used to pass through the hole of the workpiece and the installation position, and the two are fixed to each other to avoid the position of the workpiece from shaking during use or machining.

[0003] Through the search, the prior art "a kind of elastic fastener", announcement number "CN214559093U", the device utilizes elastic force to some fastening degree requirement low workpiece plays the role of fastening, it is convenient to disassemble and assemble, and it is not necessary to open hole to workpiece, it is convenient to use, and practicality is high;But when the spring of the device carries out fastening operation, when positioning fastening clamping to part surface uneven workpiece, since the contact area of workpiece surface is not enough, it leads to poor positioning effect.

[0004] Therefore, a quick clamping fastener with elastic clamping force is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a quick clamping fastener with elastic clamping force to solve the above problems, and improves the positioning effect when positioning fastening clamping to part surface uneven workpiece.

[0006] The utility model realizes the above-mentioned purposes through the following technical schemes, a quick clamping fastener with elastic clamping force, including: mounting plate, the surface of mounting plate is fixedly connected with connecting ring;Positioning mechanism, the positioning mechanism is rotatably connected in the inside of connecting ring, and the surface of positioning mechanism extends to the outside of connecting ring;Wherein, the positioning mechanism includes the adjusting assembly installed in the inside of connecting ring, and the upper and lower ends of adjusting assembly are all penetrated to the outside of connecting ring, the surface of adjusting assembly is connected with the abutting assembly, and the abutting assembly is located above connecting ring.

[0007] Preferably, the resisting assembly comprises a moving rod slidingly connected to the inner wall of the adjusting assembly, the upper end of the moving rod penetrates to the upper side of the adjusting assembly and is fixedly connected with a limiting block, the lower end of the moving rod penetrates to the inside of the adjusting assembly and is fixedly connected with a rubber block, the lower end of the rubber block is provided with a plurality of bottom holes, and the inner wall of the bottom hole is slidingly connected with a positioning support rod. The longitudinal movement of the pressing frame drives the moving rod to follow and move longitudinally synchronously, and at this time, when the surface of the workpiece is below the rubber block, the uneven workpiece surface is assisted and clamped and positioned by the plurality of positioning support rods.

[0008] Preferably, the adjusting assembly comprises a circular block rotatingly connected to the inside of the connecting ring, the inner wall of the circular block is fixedly connected with a rotating rod, the upper and lower ends of the rotating rod penetrate to the outside of the connecting ring, the surface of the rotating rod is fixedly connected with a plurality of threaded rings, the surface of the rotating rod is sleeved with a threaded sleeve, the surface of the threaded sleeve is fixedly connected with a pressing frame, and the inner wall of the threaded sleeve is threadedly connected with the surface of the adjacent threaded ring. The threaded sleeve can quickly position the pressing frame in the longitudinal direction, and the positioning efficiency of the preliminary clamping of the workpiece can be improved due to the interval between the plurality of threaded rings.

[0009] Preferably, the surface of the rotating rod is fixedly connected with a wrench, and the wrench is below the circular block. The wrench drives the circular block to rotate on the inner wall of the connecting ring through the rotating rod, and at this time, the plurality of threaded rings are driven to rotate synchronously through the rotating rod.

[0010] Preferably, the plurality of threaded rings are vertically distributed on the surface of the rotating rod, and the threaded rings are located at the upper end of the circular block.

[0011] Preferably, the upper end of the positioning support rod is fixedly connected with a second spring, and the second spring is fixedly connected to the inner top wall of the bottom hole. The second spring keeps the positioning support rod normally located outside the rubber block, and when the positioning support rod contacts the workpiece, the positioning support rod shrinks into the inside of the bottom hole, so that the lower end of the rubber block is in close contact with the surface of the workpiece.

[0012] Preferably, the surface of the moving rod is sleeved with a first spring, and the first spring is located between the rubber block and the adjusting assembly.

[0013] The beneficial effects of the utility model are:

[0014] 1. By setting the resisting assembly, the uneven workpiece surface can be positioned under the action of the resisting assembly. The second spring keeps the positioning support rod normally located outside the rubber block, and when the positioning support rod contacts the workpiece, the positioning support rod shrinks into the inside of the bottom hole, so that the lower end of the rubber block is in close contact with the surface of the workpiece, the plurality of positioning support rods are in full contact with the surface of the workpiece, and the positioning of the workpiece is improved.

[0015] 2. The above-mentioned quick-clamping fastener with elastic clamping force can quickly adjust the workpiece under the action of the adjustment component. The device drives the circular block to rotate on the inner wall of the connecting ring through the rotation rod via a manual knob wrench. The rotation rod drives multiple threaded rings to rotate synchronously, and the pressure holder is pressed down to quickly perform longitudinal positioning under the action of the threaded sleeve. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the positioning mechanism structure of this utility model;

[0018] Figure 3 This is an exploded view of the adjustment component of this utility model;

[0019] Figure 4 This is an exploded cross-sectional view of the contact component of this utility model.

[0020] In the diagram: 1. Mounting plate; 2. Connecting ring; 3. Positioning mechanism; 31. Adjusting component; 311. Circular block; 312. Rotating rod; 313. Threaded ring; 314. Wrench; 315. Threaded sleeve; 316. Holding frame; 32. Abutting component; 321. Moving rod; 322. Limiting block; 323. Rubber block; 324. First spring; 325. Bottom hole; 326. Positioning support rod; 327. Second spring. Detailed Implementation

[0021] 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 protection scope of the present utility model.

[0022] In practical implementation: such as Figures 1-4 As shown, a quick-clamping fastener with elastic clamping force includes: a mounting plate 1, with a connecting ring 2 fixedly connected to the surface of the mounting plate 1; a positioning mechanism 3, which is rotatably connected to the inside of the connecting ring 2, and the surface of the positioning mechanism 3 extends to the outside of the connecting ring 2; wherein, the positioning mechanism 3 includes an adjusting component 31 installed inside the connecting ring 2, the upper and lower ends of the adjusting component 31 both extending to the outside of the connecting ring 2, and an abutting component 32 connected to the surface of the adjusting component 31, the abutting component 32 being located above the connecting ring 2;

[0023] like Figure 1 , Figure 2 andFigure 4 As shown, the conflict component 32 includes a moving rod 321 slidingly connected to the inner wall of the adjusting component 31, the upper end of the moving rod 321 penetrates to the upper side of the adjusting component 31 and is fixedly connected to a limiting block 322, the lower end of the moving rod 321 penetrates to the inside of the adjusting component 31 and is fixedly connected to a rubber block 323, the lower end of the rubber block 323 is provided with a plurality of bottom holes 325, the inner wall of the bottom hole 325 is slidingly connected to a positioning support rod 326, the upper end of the positioning support rod 326 is fixedly connected to a second spring 327, the second spring 327 is fixedly connected to the inner top wall of the bottom hole 325, the surface of the moving rod 321 is sleeved with a first spring 324, and the first spring 324 is located between the rubber block 323 and the pressing holder 316;

[0024] The device drives the moving rod 321 to follow the synchronous longitudinal movement through the longitudinal movement of the pressing holder 316, at this time, when the surface of the workpiece is located below the rubber block 323, the uneven workpiece is assisted and clamped and positioned under the action of the plurality of positioning support rods 326, wherein under the action of the second spring 327, the positioning support rod 326 remains normal outside the rubber block 323, when contacting the workpiece, the positioning support rod 326 shrinks inside the bottom hole 325, so that the lower end of the rubber block 323 is in close contact with the surface of the workpiece, and the positioning effect on the workpiece is improved through the full contact of the plurality of positioning support rods 326 with the surface of the workpiece;

[0025] As shown in Figure 1 , Figure 2 and Figure 3 , the adjusting component 31 includes a circular block 311 rotatingly connected to the inside of the connecting ring 2, the inner wall of the circular block 311 is fixedly connected to a rotating rod 312, the upper and lower ends of the rotating rod 312 both penetrate to the outside of the connecting ring 2, the surface of the rotating rod 312 is fixedly connected to a plurality of threaded rings 313, the surface of the rotating rod 312 is sleeved with a threaded sleeve 315, the surface of the threaded sleeve 315 is fixedly connected to a pressing holder 316, the inner wall of the threaded sleeve 315 is threadedly connected to the surface of the adjacent threaded ring 313, the surface of the rotating rod 312 is fixedly connected to a wrench 314, and the wrench 314 is located below the circular block 311, the plurality of threaded rings 313 are vertically distributed along the surface of the rotating rod 312, and the threaded ring 313 is located at the upper end of the circular block 311.

[0026] The device drives the circular block 311 to rotate on the inner wall of the connecting ring 2 through the rotating rod 312 by manually rotating the knob wrench 314, at this time, the plurality of threaded rings 313 are driven to follow the synchronous rotation by the rotating rod 312, and then the pressing holder 316 can be quickly longitudinally positioned under the action of the threaded sleeve 315, and the positioning efficiency of the preliminary clamping of the workpiece can be improved due to the interval between the plurality of threaded rings 313.

[0027] The utility model discloses when using, manual knob wrench 314 is through the rotation of the lever 312 and drives circular block 311 to rotate in the inner wall of connecting ring 2, through the rotation of the lever 312 and drive multiple thread rings 313 follow synchronous rotation, cooperate the effect of threaded sleeve 315 and press the holder 316 fast vertical positioning effect, the vertical movement of press the holder 316 drive moving rod 321 follow synchronous vertical movement, when the surface of workpiece is located below rubber block 323, the effect of the uneven surface workpiece auxiliary clamping positioning under the action of multiple positioning support 326, make positioning support 326 keep normality under the action of second spring 327 and be located outside rubber block 323, and when contacting workpiece, positioning support 326 contracts inside bottom hole 325, the lower end of rubber block 323 is contacted closely with the surface of workpiece, and multiple positioning support 326 forms full resistance with the surface of workpiece.

[0028] Furthermore, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A quick clamping fastener having an elastic clamping force, characterized by, The utility model relates to a kind of installation plate and positioning mechanism, including: Mounting plate (1), the surface of mounting plate (1) is fixedly connected with connecting ring (2); Positioning mechanism (3), the inside of connecting ring (2) is rotatably connected with positioning mechanism (3), the surface of positioning mechanism (3) extends to the outside of connecting ring (2); Wherein, the positioning mechanism (3) includes adjusting assembly (31) mounted in the inside of connecting ring (2), the upper and lower ends of adjusting assembly (31) are both penetrated to the outside of connecting ring (2), the surface of adjusting assembly (31) is connected with abutting assembly (32), and abutting assembly (32) is located above connecting ring (2).

2. A quick clamping fastener having elastic clamping force according to claim 1, characterized in that: The abutting assembly (32) includes moving rod (321) slidably connected to the inner wall of adjusting assembly (31), the upper end of moving rod (321) penetrates to the above of adjusting assembly (31) and is fixedly connected with limit block (322), the lower end of moving rod (321) penetrates to the inside of adjusting assembly (31) and is fixedly connected with rubber block (323), the lower end of rubber block (323) is provided with a plurality of bottom holes (325), and the inner wall of bottom hole (325) is slidably connected with positioning support rod (326).

3. The quick clamping fastener with elastic clamping force according to claim 1, characterized in that: The adjusting assembly (31) includes circular block (311) rotatably connected to the inside of connecting ring (2), the inner wall of circular block (311) is fixedly connected with rotating rod (312), the upper and lower ends of rotating rod (312) are both penetrated to the outside of connecting ring (2), the surface of rotating rod (312) is fixedly connected with a plurality of threaded rings (313), the surface of rotating rod (312) is sleeved with threaded sleeve (315), the surface of threaded sleeve (315) is fixedly connected with pressure holder (316), and the inner wall of threaded sleeve (315) is threadedly connected with the surface of adjacent threaded ring (313).

4. The quick clamping fastener with elastic clamping force according to claim 3, characterized in that: The surface of rotating rod (312) is fixedly connected with spanner (314), and spanner (314) is located below circular block (311).

5. A quick clamping fastener having elastic clamping force according to claim 4, characterized in that: A plurality of threaded rings (313) are vertically distributed along the surface of rotating rod (312), and threaded ring (313) is located at the upper end of circular block (311).

6. The quick clamping fastener with elastic clamping force according to claim 2, characterized in that: The upper end of positioning support rod (326) is fixedly connected with second spring (327), and second spring (327) is fixedly connected to the inner top wall of bottom hole (325).

7. The quick clamping fastener with elastic clamping force according to claim 2, characterized in that: The surface of moving rod (321) is sleeved with first spring (324), and first spring (324) is located between rubber block (323) and adjusting assembly (31).

Images