CN216895274U

CN216895274U - Quick locking bolt and universal rotary lifting ring applying same

Info

Publication number: CN216895274U
Application number: CN202220556915.0U
Authority: CN
Inventors: 解奎; 解义威; 翟来震; 李超
Original assignee: TIANJIN YIYUN POWER MACHINERY CO Ltd
Current assignee: TIANJIN YIYUN POWER MACHINERY CO Ltd
Priority date: 2022-03-15
Filing date: 2022-03-15
Publication date: 2022-07-05
Anticipated expiration: 2032-03-15

Abstract

The utility model provides a quick-locking bolt and a universal rotary hanging ring using the same, wherein the quick-locking bolt comprises a fixed sleeve, a pressing rod inserted into the fixed sleeve, a tooth plate arranged on the side wall of the fixed sleeve and an elastic piece positioned in the fixed sleeve, the pressing rod can move up and down along the axis direction of the fixed sleeve, an avoiding space is provided for the tooth plate when the pressing rod moves downwards, the tooth plate moves inwards along the radial direction of the fixed sleeve under the action of triangular threads in a threaded hole when the bolt moves outwards relative to the threaded hole, and threads arranged on the outer side of the tooth plate are separated from the threaded hole; when pressing the depression bar rebound, push down the pole and promote the dental lamina, the radial outside removal that fixed sleeve can be followed to the dental lamina, and the screw thread that its outside set up is connected with the screw hole, realizes fastening connection. The bolt can be quickly assembled and disassembled with a workpiece, and is matched with the universal rotating lifting ring body, so that the bolt is convenient to use.

Description

Quick locking bolt and universal rotary lifting ring applying same

Technical Field

The utility model relates to the technical field of fasteners, in particular to a quick-locking bolt and a universal rotary hanging ring applying the same.

Background

The fastener is a mechanical part which is used for fastening connection and has extremely wide application. The fastener is widely used in the industries including energy, electronics, electrical appliances, machinery, chemical industry, metallurgy, molds, hydraulic pressure and the like, and various fasteners can be seen on various machines, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemical industry, instruments, supplies and the like, and are the most widely applied mechanical basic parts.

Common fasteners comprise bolts, studs, screws and the like, a circle of the common fasteners needs to be screwed into a workpiece needing to be connected or fastened and is not easy to detach, especially, after the lifting bolt applied to the lifting field needs to be screwed into the workpiece needing to be lifted firstly, the lifting bolt needs to be screwed into the workpiece needing to be lifted firstly, then the lifting bolt is connected with a lifting hook, and after the lifting is completed, the lifting bolt needs to be unscrewed for a circle, so that the time consumption is long, and the lifting bolt is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a quick-locking bolt which is simple to operate and convenient to disassemble and assemble and a universal rotary hanging ring using the same, so that quick connection with a workpiece can be realized.

In order to achieve the purpose, the utility model provides the following technical scheme: a quick locking bolt comprises a fixing sleeve, a pressing rod inserted into the fixing sleeve and a toothed plate installed on the side wall of the fixing sleeve, wherein a cavity with steps is formed in the fixing sleeve; an elastic piece is connected between the step and the bottom surface of the pressing part.

Specifically, the fixed sleeve includes polygon rotating part and fixed part, and wherein the excircle radius of rotating part is greater than the periphery of rotating sleeve's internal diameter and rotating part and is provided with the anti-skidding line that increases friction, and the top surface of rotating part is inside sunken.

Through above-mentioned technical scheme, make things convenient for rotatory fixed sleeve, can increase the degree of agreeing with of dental lamina and screw hole.

Specifically, the number of the tooth plates is not less than two, and the tooth plates are arranged on the same circumference of the fixed sleeve.

Through above-mentioned technical scheme, can improve the area of contact of dental lamina and screw hole, improve the fastening effect.

Specifically, both ends of the first pushing portion are conical surfaces, and the two conical surfaces are connected through a cylinder.

Through above-mentioned technical scheme, can improve the butt effect of first promotion portion to the dental lamina.

Specifically, a clamping block is arranged on one surface, facing the pressing rod, of the tooth plate.

Through above-mentioned technical scheme, can prevent that the dental lamina from deviating from fixed sleeve, reinforcing structural stability.

Specifically, the fixture block is arranged on the upper side and the lower side of the dental lamina, and the inner diameter of the position, at the height and below, of the inner cavity of the fixing sleeve corresponding to the first pushing portion is larger than the inner diameter of the position, above the first pushing portion, corresponding to the inner cavity.

Through above-mentioned technical scheme, can reduce the area that the cavity was occupied to the fixture block, improve the tapering of first promotion portion conical surface to shorten the length of pressing the pole, further shorten the length of whole bolt, save materials, reduce cost.

Specifically, one side of the first pushing portion, which is far away from the connecting portion, is also connected with the avoiding portion, the avoiding portion is connected with a limiting ring, and the inner cavity inner diameter of the limiting ring is consistent with that of the corresponding position.

Through above-mentioned technical scheme, spacing ring and fixture block butt can prevent that the displacement of promotion portion in fixed sleeve axis direction from crossing the limit, losing the butt effect to the dental lamina.

Specifically, still be provided with the second promotion portion between spacing ring and the portion of dodging, the second promotion portion is provided with the conical surface, and the bottom surface radius of conical surface is greater than the radius of dodging the portion.

Through the technical scheme, the upper end and the lower end of the dental plate can move simultaneously, and the abutting effect on the dental plate is guaranteed.

The utility model provides an universal rotatory rings, uses above-mentioned bolt, still includes rotatory sleeve and U type rings body, rotatory sleeve cover is established on the fixed sleeve and is connected with the fixed sleeve rotation, and the both ends integrated into one piece of rings has the collar, the collar passes through the connecting axle and is connected with the radial rotation of rotatory sleeve.

The bolt of locking fast and use its universal rotatory rings that obtains through above-mentioned technical scheme, its beneficial effect is:

1. the fastening connection of the bolt and the threaded hole can be realized through pressing, the dismounting is convenient, and the repeated use is realized.

2. The hoisting ring of the bolt is applied, and the hoisting ring can rotate in all directions through the arrangement of the rotating sleeve and the hoisting ring body, so that the applicability is high.

Drawings

FIG. 1 is a schematic structural diagram of the universal rotating hoist ring of the present invention.

Fig. 2 is a schematic structural view of the quick-locking bolt of the present invention.

FIG. 3 is a cross-sectional view of the gimbal link.

Fig. 4 is an enlarged schematic view at a in fig. 3 (when the dental plate is pushed out).

Figure 5 is an enlarged schematic view at a in figure 3 (with the dental plates retracted).

Fig. 6 is a schematic structural view of a pushing part and a tooth plate in another embodiment.

In the figure, a sleeve 1 is fixed; a rotating part 11; a fixed part 12; a pressing rod 2; a pressing portion 21; a connecting portion 22; an escape portion 23; a first pushing portion 24; a second pushing portion 25; a stop collar 26; a dental plate 3; a latch 31; an elastic member 4; a rotating sleeve 5; a hanging ring body 6.

Detailed Description

The utility model is further described with reference to the drawings and examples so that the advantages and features of the utility model may be more readily understood by those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In order to improve the disassembly and assembly efficiency and enable the hoisting ring to be quickly connected and separated with a hoisting workpiece, the utility model provides a quick-locking bolt which can be quickly connected and separated by pressing and hoisting a threaded hole on the workpiece, and the quick-locking bolt comprises a fixed sleeve 1, a pressing rod 2 arranged in the fixed sleeve 1 and a dental lamina 3 arranged on the wall of the fixed sleeve 1, wherein the pressing rod 2 can move up and down along the axis direction of the fixed sleeve 1, when the pressing rod 2 moves downwards, an avoiding space is provided for the dental lamina 3, when the bolt moves outwards relative to the threaded hole, the dental lamina 3 moves inwards along the radial direction of the fixed sleeve 1 under the action of triangular threads in the threaded hole, and threads arranged on the outer side of the dental lamina are separated from the threaded hole; when pressing down depression bar 2 rebound, pressing down depression bar 2 and promoting dental lamina 3, dental lamina 3 can be followed fixed sleeve 1's radial outside and moved, and the screw thread that its outside set up is connected with the screw hole, realizes fastening connection.

The utility model will be further described with reference to the accompanying drawings.

The universal rotary lifting ring comprises a bolt, a rotary sleeve 5 and a U-shaped lifting ring body 6, wherein the bolt is locked quickly, the rotary sleeve 5 is sleeved on the bolt, assembling rings are integrally formed at two ends of the lifting ring, and the assembling rings are radially and rotatably connected with the rotary sleeve 5 through connecting shafts.

As shown in fig. 2, the bolt of quick locking includes hollow fixed sleeve 1, press pole 2 and dental lamina 3, fixed sleeve 1 is including polygon rotating part 11 and the fixed part 12 that makes things convenient for the application of force, wherein the excircle radius of rotating part 11 is greater than the internal diameter of rotating sleeve 5 and the periphery of rotating part 11 is provided with the anti-skidding line that increases friction, the top surface of rotating part 11 inwards caves in order to make things convenient for press pole 2 to insert, bilateral symmetry runs through the bar hole that is provided with the confession dental lamina 3 and wears out on the lateral wall of fixed part 12, the one side that dental lamina 3 wore out fixed part 12 is provided with the screw thread that agrees with the screw hole, press pole 2 to be located inside fixed sleeve 1, fixed sleeve 1 is worn out on its top.

As shown in fig. 3-5, a fixed sleeve 1 is rotatably connected with a rotating sleeve 5, a cavity with a step is arranged inside the fixed sleeve 1, a pressing rod 2 is inserted into the cavity and is provided with a pressing part 21, a connecting part 22, an avoiding part 23 and a first pushing part 24 from top to bottom, wherein the radius of the pressing part 21 is consistent with that of the cavity on the step, the radius of the connecting part 22 is consistent with that of the cavity under the step, so that the pressing rod 2 moves along the axial direction of the fixed sleeve 1, the radius of the avoiding part 23 is smaller than that of the connecting part 22, the first pushing part 24 is provided with a tapered surface expanding towards one side far away from the pressing part 21, one side of a dental plate 3 embedded in a strip-shaped hole, facing the pressing rod 2, is provided with a groove or a convex block matched with the shape of the first pushing part 24, and one side facing away from the pressing rod 2 is provided with a thread matched with a threaded hole and is provided with a chamfer; an elastic part 4 is connected between the step and the bottom surface of the pressing part 21, and under the action of the elastic part 4, the pressing rod 2 can move outwards along the axial direction of the fixing sleeve 1, in this embodiment, the elastic part 4 is a spring sleeved on the pressing rod 2.

Specifically, both ends of the first pushing portion 24 are tapered surfaces, and the two tapered surfaces are connected through a cylinder.

Of course, the two conical surfaces can also be directly connected.

One side of the dental lamina 3 facing the pressing rod 2 is provided with a fixture block 31, the fixture block 31 can abut against the inner wall of the fixing sleeve 1 to prevent the dental lamina 3 from dropping out of the dental socket, specifically, the fixture block 31 is arranged on the upper side and the lower side of the dental lamina 3, when the dental lamina 3 is pushed out of the fixing sleeve 1 by the pressing rod 2, the fixture block 31 positioned on the upper side can be embedded on the concave step arranged on the side wall of the fixing sleeve 1, the fixture block 31 positioned below abuts against the inner wall of the fixing sleeve 1, namely, the inner diameter of the position of the inner cavity of the fixing sleeve 1 corresponding to the height of the first pushing part 24 and the inner diameter of the position below the inner cavity of the first pushing part 24 are larger than the inner diameter of the corresponding inner cavity above the first pushing part 24.

One side of the first pushing portion 24, which is far away from the connecting portion 22, is also connected with the avoiding portion 23, the avoiding portion 23 is connected with the limiting ring 26, the inner diameter of the inner cavity of the limiting ring 26 is consistent with that of the corresponding position, when the pressing rod 2 moves upwards, the limiting ring 26 is blocked by the fixture block 31, so that the distance of the pressing rod 2 moving outwards from the fixing sleeve 1 is limited, and the first pushing portion 24 is prevented from being separated from the corresponding position of the dental plate 3.

Furthermore, a second pushing portion 25 is further arranged between the limiting ring 26 and the avoiding portion 23, similarly, the second pushing portion 25 is provided with a conical surface, the radius of the bottom surface of the conical surface is larger than that of the avoiding portion 23, synchronous pushing of the upper portion and the lower portion of the pressing plate can be achieved, and the fastening effect is improved.

The following describes the use and application principle of the bolt specifically: before inserting the bolt into the threaded hole, downwards pressing the pressing rod until the pressing part of the pressing rod abuts against a step in the fixing sleeve, downwards moving the first pushing part to align with a groove or a bump on the tooth plate in the radial direction of the fixing sleeve, removing the abutting against the tooth plate, inserting the bolt into the threaded hole, applying a driving force (basically, inclined plane pushing) to the tooth plate by triangular threads in the threaded hole in the inserting process to enable the tooth plate to enter the fixing sleeve, removing the pressing of the pressing rod after the fixing sleeve is completely inserted, upwards moving the first pushing part (second pushing part) under the action of a spring, pushing the tooth plate to move towards the outside of the fixing sleeve by a conical surface of the first pushing part until threads on the tooth plate are attached to the threaded hole, abutting the clamping block against the inner wall of the fixing sleeve at the moment, abutting the limiting ring against the clamping block, and abutting against the avoiding part against the tooth plate; the fixing sleeve is rotated for one to two circles, so that the threads on the tooth plate and the threads on the threaded holes are screwed to form a pair of thread pairs, and the fastening effect is improved; when needing to demolish, press down the press lever, first promotion portion moves down, removes the butt with the dental lamina, and whole bolt moves outside the screw hole, and under the screw drive on the screw hole, the dental lamina removes to fixed sleeve, removes the butt with the screw hole, and the bolt is extracted.

According to the bolt, rapid fastening and disassembly and assembly can be realized through pressing on the premise of not using tools, the convenience of workpiece hoisting is improved, and the bolt can be repeatedly used.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.

Claims

1. A quick locking bolt is characterized by comprising a fixed sleeve, a pressing rod inserted into the fixed sleeve and a toothed plate installed on the side wall of the fixed sleeve, wherein a cavity with steps is formed in the fixed sleeve; an elastic piece is connected between the step and the bottom surface of the pressing part.

2. The quick-locking bolt according to claim 1, wherein the fixing sleeve comprises a polygonal rotating portion and a fixing portion, wherein an outer circumference of the rotating portion has a radius larger than an inner diameter of the rotating sleeve and an outer circumference of the rotating portion is provided with friction-increasing anti-slip threads, and a top surface of the rotating portion is recessed inwardly.

3. A quick-locking bolt according to claim 1 wherein the number of said tooth plates is not less than two, on the same circumference of the fixing socket.

4. The quick-locking bolt according to claim 1, wherein both ends of the first pushing part are tapered surfaces, and the tapered surfaces are connected by a cylinder.

5. The quick-locking bolt according to claim 1, wherein a fixture block is provided on a surface of the tooth plate facing the pressing rod.

6. The quick-locking bolt according to claim 5, wherein the locking block is disposed on the upper and lower sides of the tooth plate, and the inner diameter of the inner cavity of the fixing sleeve is larger than the inner diameter of the inner cavity above the first pushing portion at a position corresponding to the height of the first pushing portion and below the first pushing portion.

7. The bolt of claim 6, wherein the side of the first pushing portion away from the connecting portion is also connected with an avoiding portion, the avoiding portion is connected with a limiting ring, and the inner diameter of the limiting ring is consistent with that of the inner cavity at the corresponding position.

8. The bolt of claim 7, wherein a second pushing portion is further disposed between the limiting ring and the avoiding portion, the second pushing portion is provided with a conical surface, and the radius of the bottom surface of the conical surface is larger than that of the avoiding portion.

9. The universal rotary lifting ring is characterized in that the quick-locking bolt of any one of claims 1-8 is applied, the universal rotary lifting ring further comprises a rotary sleeve and a U-shaped lifting ring body, the rotary sleeve is sleeved on the fixed sleeve and is rotatably connected with the fixed sleeve, assembling rings are integrally formed at two ends of the lifting ring, and the assembling rings are radially and rotatably connected with the rotary sleeve through connecting shafts.