阅读说明：本技术 一种自适应快速安装螺母 (Self-adaptive quick mounting nut ) 是由 夏俊文 赵秀菊 马娜 于 2021-03-02 设计创作，主要内容包括：一种自适应快速安装螺母,涉及螺母领域,其包括：左侧滑销、右侧滑销、竖直顶丝、竖直压簧、螺母主体；螺母主体两端设有矩形槽,矩形槽中间开有圆孔；左侧滑销、右侧滑销滑动安装在螺母主体两端设有的矩形槽内,且左侧滑销上端通过竖直顶丝顶紧,下端通过竖直压簧与螺母主体连接,实现了沿矩形槽的上下浮动,由竖直顶丝、竖直压簧相互配合调节浮动间距,使其适用于不同螺距的螺栓的紧固；通过调整顶丝来调整螺纹销与螺杆的装配间隙,实现了应对不同直径的螺栓。(The utility model provides a quick installation nut of self-adaptation, relates to the nut field, and it includes: the device comprises a left sliding pin, a right sliding pin, a vertical jackscrew, a vertical compression spring and a nut main body; rectangular grooves are formed in two ends of the nut main body, and a round hole is formed in the middle of each rectangular groove; the left sliding pin and the right sliding pin are slidably mounted in rectangular grooves formed in two ends of the nut main body, the upper end of the left sliding pin is tightly pressed through a vertical jackscrew, the lower end of the left sliding pin is connected with the nut main body through a vertical compression spring, up-and-down floating along the rectangular grooves is achieved, and the vertical jackscrew and the vertical compression spring are matched with each other to adjust the floating distance, so that the left sliding pin and the right sliding pin are suitable for fastening bolts with different pitches; the assembly clearance between the threaded pin and the screw rod is adjusted by adjusting the jackscrew, so that the bolts with different diameters can be matched.)

1. An adaptive quick install nut, comprising: the nut comprises a left sliding pin (1), a right sliding pin (2), a vertical jackscrew (5), a vertical compression spring (6) and a nut main body (10); rectangular grooves are formed in two ends of the nut body (10), and a round hole is formed in the middle of each rectangular groove; the left sliding pin (1) and the right sliding pin (2) are slidably mounted in rectangular grooves formed in two ends of the nut body (10), and the left sliding pin (1) and the right sliding pin (2) are respectively and rotatably connected with a left threaded pin (3) and a right threaded pin (4); the left threaded pin (3) and the right threaded pin (4) are movably connected with the nut main body (10); the upper end of the left sliding pin (1) is tightly propped through a vertical jackscrew (5), the lower end of the left sliding pin is connected with the nut main body (10) through a vertical compression spring (6), up-and-down floating along a rectangular groove is realized, and the vertical jackscrew (5) and the vertical compression spring (6) are matched with each other to adjust the floating distance;

when the nut is used, bolts with different diameters are fastened by horizontally sliding the left sliding pin (1) and the right sliding pin (2) on the nut main body (10); the left sliding pin (1) floats along the rectangular groove under the adjustment of the vertical jackscrew (5) and the vertical pressure spring (6), so that bolts with different screw pitches are fastened.

2. An adaptive quick mount nut according to claim 1 in which said right slide pin (2) comprises: a jackscrew (7), a horizontal compression spring (8) and a torsion spring (9); the horizontal compression spring (8) and the torsion spring (9) are both positioned in the jackscrew (7), and the right threaded pin (4) is connected with one end of the jackscrew (7) through the torsion spring (9); the horizontal compression spring (8) is located between the right threaded pin (4) and the jackscrew (7), is sleeved on the outer side of the torsion spring (9) and is used for left and right resetting of the right sliding pin (2).

3. An adaptive fast mounting nut according to claim 1 or 2, characterized in that said left slide pin (1) comprises: the device comprises a jackscrew (7), a horizontal compression spring (8), a torsion spring (9) and a rectangular shell (11); the horizontal compression spring (8) and the torsion spring (9) are both positioned in the jackscrew (7), and the left threaded pin (3) is connected with one end of the jackscrew (7) through the torsion spring (9); the horizontal compression spring (8) is positioned between the left threaded pin (3) and the jackscrew (7), is sleeved on the outer side of the torsion spring (9) and is used for left and right resetting of the left threaded pin (3), the rectangular shell (11) is sleeved on the outer portion of the jackscrew (7), and the jackscrew (7) can slide along the inner portion of the rectangular shell (11); the upper end of the rectangular shell (11) is tightly pushed through a vertical jackscrew (5), and the lower end of the rectangular shell is connected with the nut main body (10) through a vertical compression spring (6).

Technical Field

The invention relates to the field of nuts, in particular to a self-adaptive quick mounting nut.

Background

The nut is a necessity in the mechanical industry and is widely applied to various mechanical connecting pieces, but the nut is generally a standard piece and can only be matched with a corresponding stud, and the use of the nut has certain limitation.

The chinese utility model with patent number 201620387631.8 discloses a reducing nut, which comprises a plurality of step holes evenly distributed in the circumferential direction of a nut body, wherein the axis of each step hole is perpendicular to the axis of the nut body and is communicated with the inner threaded hole of the nut body; each step hole consists of a first-stage cylindrical hole on the outer side and a second-stage cylindrical hole on the inner side, wherein the diameter of the first-stage cylindrical hole is smaller than the radial size of the second-stage cylindrical hole; screws are arranged in the first-stage cylindrical holes, and thread blocks capable of sliding along the axial direction of the second-stage cylindrical holes are arranged in the second-stage cylindrical holes; the inner side end surfaces of the thread blocks are respectively provided with threads for connecting studs in a matching manner; the outside of screw thread piece all sets up the third level cylinder hole and the fourth level cylinder hole that are linked together from outside-in, and the diameter in third level cylinder hole is less than the diameter in fourth level cylinder hole, the rotatory piece of fourth level cylinder downthehole installation, and the screw passes third level cylinder hole and links to each other with rotatory piece. The inner diameter of the nut can be changed according to requirements, and the application range is wide; however, it only realizes changing the inner diameter of the nut and is not suitable for fastening bolts with different pitches.

Disclosure of Invention

In view of the above problems, the present invention provides a self-adaptive quick mounting nut, comprising: the device comprises a left sliding pin, a right sliding pin, a vertical jackscrew, a vertical compression spring and a nut main body; rectangular grooves are formed in two ends of the nut body, and a round hole is formed in the middle of each rectangular groove; the left sliding pin and the right sliding pin are slidably installed in rectangular grooves formed in two ends of the nut main body, and are rotatably connected with a left threaded pin and a right threaded pin respectively; the left threaded pin and the right threaded pin are movably connected with the nut main body; the upper end of the left sliding pin is tightly propped through the vertical jackscrew, the lower end of the left sliding pin is connected with the nut main body through the vertical compression spring, up-and-down floating along the rectangular groove is achieved, and the floating distance is adjusted through mutual matching of the vertical jackscrew and the vertical compression spring.

When the nut is used, bolts with different diameters are fastened by horizontally sliding the left sliding pin and the right sliding pin on the nut main body; the left sliding pin floats along the rectangular groove under the adjustment of the vertical jackscrew and the vertical pressure spring, so that bolts with different screw pitches are fastened.

Preferably, the right slide pin includes: a jackscrew, a horizontal compression spring and a torsion spring; the horizontal pressure spring and the torsion spring are positioned in the jackscrew, and the right threaded pin is connected with one end of the jackscrew through the torsion spring; the horizontal compression spring is positioned between the right threaded pin and the jackscrew, is sleeved outside the torsion spring and is used for left and right resetting of the right sliding pin;

preferably, the left slide pin includes: the device comprises a jackscrew, a horizontal pressure spring, a torsion spring and a rectangular shell; the horizontal pressure spring and the torsion spring are both positioned in the jackscrew, and the left threaded pin is connected with one end of the jackscrew through the torsion spring; the horizontal pressure spring is positioned between the left threaded pin and the jackscrew, is sleeved outside the torsion spring and is used for left and right reset of the left threaded pin, the rectangular shell is sleeved outside the jackscrew, and the jackscrew can slide along the inside of the rectangular shell; the upper end of the rectangular shell is tightly jacked through a vertical jackscrew, and the lower end of the rectangular shell is connected with the nut main body through a vertical pressure spring.

Due to the adoption of the technical scheme, the invention has the following advantages:

(1) according to the invention, the assembly clearance between the threaded pin and the screw rod is adjusted by adjusting the jackscrew, so that the bolts with different diameters can be dealt with, the phenomenon that the nuts and the screw rods are assembled too tightly due to processing errors and electroplating is solved, and meanwhile, the bolts with different thread pitches can be fastened by adjusting the vertical jackscrew.

(2) The nut is simple in structure, and only the left sliding pin, the right sliding pin, the jackscrew, the vertical compression spring and the like are additionally arranged on the common nut, so that the powerful function of matching bolts with different screw pitches and diameters is realized.

Drawings

Fig. 1 is a schematic view of the overall mechanism of the present invention.

Fig. 2 is a cross-sectional view of the overall mechanism of the present invention.

FIG. 3 is a schematic view of the left and right slide pins of the present invention.

FIG. 4 is an internal view of the left and right slide pins of the present invention.

FIG. 5 is a cross-sectional view of the left and right slide pins of the present invention.

FIG. 6 is a side view of the left and right slide pins of the present invention.

Reference numerals: 1-left side sliding pin, 2-right side sliding pin, 3-left side threaded pin, 4-right side threaded pin, 5-vertical jackscrew, 6-vertical compression spring, 7-jackscrew, 8-horizontal compression spring, 9-torsion spring, 10-main body and 11-rectangular shell.

Detailed Description

The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in many ways other than those described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit of the invention, and therefore the invention is not limited to the specific embodiments disclosed below. In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

1-6, an adaptive quick mount nut, comprising: the nut comprises a left sliding pin 1, a right sliding pin 2, a vertical jackscrew 5, a vertical compression spring 6 and a nut main body 10; rectangular grooves are formed in two ends of the nut body 10, and circular holes are formed in the middles of the rectangular grooves; the left sliding pin 1 and the right sliding pin 2 are slidably mounted in rectangular grooves formed in two ends of the nut body 10, and the left sliding pin 1 and the right sliding pin 2 are respectively and rotatably connected with a left threaded pin 3 and a right threaded pin 4; the left threaded pin 3 and the right threaded pin 4 are movably connected with the nut body 10; the upper end of the left sliding pin 1 is tightly pushed through the vertical jackscrew 5, the lower end of the left sliding pin is connected with the nut main body 10 through the vertical compression spring 6, up-and-down floating along the rectangular groove is achieved, and the floating distance is adjusted through mutual matching of the vertical jackscrew 5 and the vertical compression spring 6, so that the left sliding pin is suitable for bolts with different thread pitches.

When the bolt fastening device is used, bolts with different diameters are fastened through the horizontal sliding of the left sliding pin 1 and the right sliding pin 2 on the nut main body 10; the left sliding pin 1 floats along the rectangular groove under the adjustment of the vertical jackscrew 5 and the vertical pressure spring 6, so that bolts with different screw pitches are fastened.

In an alternative implementation of the embodiment of the present invention, the right slide pin 2 includes: a jackscrew 7, a horizontal compression spring 8 and a torsion spring 9; the horizontal compression spring 8 and the torsion spring 9 are both positioned in the jackscrew 7, and the right threaded pin 4 is connected with one end of the jackscrew 7 through the torsion spring 9; the torsion spring 9 is used for realizing that the right threaded pin 4 can be subjected to autonomous fine adjustment when bolts with different thread pitches are screwed, so that the capability of adapting to different bolts is improved; the horizontal compression spring 8 is positioned between the right threaded pin 4 and the jackscrew 7, is sleeved outside the torsion spring 9 and is used for left and right resetting of the right sliding pin 2;

in an alternative embodiment of the present invention, the left slide pin 1 includes: the device comprises a jackscrew 7, a horizontal compression spring 8, a torsion spring 9 and a rectangular shell 11; the horizontal compression spring 8 and the torsion spring 9 are both positioned in the jackscrew 7, and the left threaded pin 3 is connected with one end of the jackscrew 7 through the torsion spring 9; the horizontal compression spring 8 is positioned between the left threaded pin 3 and the jackscrew 7, is sleeved outside the torsion spring 9 and is used for left and right resetting of the left threaded pin 3, the rectangular shell 11 is sleeved outside the jackscrew 7, and the jackscrew 7 can slide along the inside of the rectangular shell 11; the upper end of the rectangular shell 11 is tightly propped through a vertical jackscrew 5, and the lower end of the rectangular shell is connected with a nut main body 10 through a vertical compression spring 6; the rectangular housing 11 realizes both the left slide pin 1 edge; the rectangular groove on the nut body 10 horizontally slides, and vertical floating is realized, so that the two do not interfere with each other.

The working principle is as follows: the invention realizes the purpose of dealing with bolts with different diameters by the left sliding pin 1 and the right sliding pin 2 sliding left and right in the rectangular groove of the nut main body 10; the bolts with different screw pitches are dealt with by adjusting the up-down floating distance of the left sliding pin 1 under the action of the vertical jackscrew 5 and the vertical compression spring 6.