CN220320065U

CN220320065U - Fastening connection structure of mechanical parts

Info

Publication number: CN220320065U
Application number: CN202321311493.1U
Authority: CN
Inventors: 李海啸
Original assignee: Jingxi Chemical Zhangjiakou Co ltd
Current assignee: Jingxi Chemical Zhangjiakou Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2024-01-09
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a mechanical part fastening connection structure which comprises a first mechanical part, a second mechanical part, a threaded fastener and a fastening nut, wherein the first mechanical part is connected with the second mechanical part through the threaded fastener, the fastening nut is arranged at one end of the threaded fastener and is arranged at the bottom of the second mechanical part, the outer part of the threaded fastener is in threaded fastening connection with the fastening nut, movable grooves are connected with the inner parts of the two ends of the fastening nut, sliding blocks are connected in the movable grooves in a sliding manner, and pull rods are fixed at the bottoms of the sliding blocks. According to the utility model, through the arrangement of the sliding block, the pull rod, the inserting fixing piece and the spring, the elasticity of the spring can be utilized to enable the inserting fixing piece to perform the function of always inserting and positioning on the inserting fixing groove arranged in the second mechanical part, so that the problem of loosening caused by vibration work of the second mechanical part in the later period of the fastening nut is effectively solved, and the fastening connectivity of the fastening nut and the threaded fastener is improved.

Description

Fastening connection structure of mechanical parts

Technical Field

The utility model relates to the technical field of mechanical part fastening, in particular to a mechanical part fastening connection structure.

Background

Generally, a nut and a screw are usually used in mechanical connection, a gasket is needed when the nut is fastened, and accidents caused by loosening of the nut are prevented, but the gasket can play a certain anti-loosening effect, but cannot be completely effective, and the gasket is used for increasing production.

In the mechanical part fastening connection structure disclosed in the chinese patent application publication CN203685821U, the saw teeth at the bottom of the nut are contacted with the mechanical part by using the tightening force and compressed, and the saw teeth after being compressed are bent because the hardness of the saw teeth is lower than the surface hardness of the mechanical part, so that a resistance force is generated, the use of a washer is omitted, the washer is not easy to loosen, and the bolt is used to locate the small holes on the mechanical part, so that the nut is prevented from loosening. The utility model has simple structure, low production cost and long service life, does not need to be overhauled frequently, but the limit and the looseness of the nut on the fastener are not perfect enough, so that when the mechanical part is used in a vibration environment, the looseness problem can occur anyway, and the stability of the subsequent use of the mechanical part is affected.

Disclosure of Invention

The utility model aims to provide a mechanical part fastening and connecting structure which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a machine part fastening connection structure, includes first machine part, second machine part, screw thread fastener and fastening nut, first machine part passes through screw thread fastener with the second machine part and is connected, screw thread fastener's one end just sets up in the bottom of second machine part and is provided with fastening nut, screw thread fastener's outside and fastening nut's screw thread fastening connection, fastening nut both ends's internal connection has the movable groove, the inside sliding connection in movable groove has the sliding block, the bottom of sliding block is fixed with the pull rod, the sliding block has the spring with the outside of pull rod junction and winding at the pull rod, the spring sets up in the inside of movable groove, the top of sliding block is fixed with the plug-in fastener.

Preferably, the two ends of the bottom of the second mechanical part are fixed with L-shaped fixing frames, a screw rod is connected in the side part of each L-shaped fixing frame, and the end part of each screw rod is connected with a clamping block through a bearing block.

Preferably, the bottom of the second mechanical part is internally and symmetrically connected and correspondingly connected with a plugging slot corresponding to the plugging position of the plugging piece.

Preferably, anti-slip clamping pads are arranged between the joints of the threaded fasteners and the top of the first mechanical part and between the joints of the fastening nuts and the bottom of the second mechanical part.

Preferably, the side part of the clamping block is fixedly provided with a limit sliding block, and the top of the L-shaped fixing frame is internally connected with a limit sliding groove.

Preferably, the limit sliding block is in sliding connection with the limit sliding groove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the mechanical part fastening connection structure, through the arrangement of the sliding block, the pull rod, the inserting fixing piece and the spring, the elasticity of the spring can be utilized to enable the inserting fixing piece to play a role in always inserting and positioning the inserting fixing groove arranged in the second mechanical part, so that the problem of loosening caused by vibration work of the second mechanical part in the later period of the fastening nut is effectively solved, and the fastening connectivity of the fastening nut and the threaded fastener is improved;

(2) This kind of machine part fastening connection structure through setting up at L shape mount, spacing spout, lead screw, bearing block, clamping piece and spacing slider, manual running screw cooperation bearing block realizes driving the clamping piece and moves about L shape mount inboard, utilizes spacing slider to slide along spacing spout and realizes spacing supplementary clamping piece straight line and move along L shape mount inboard for adjust the interval before two clamping pieces according to fastening nut's specification, utilize two clamping pieces to play both sides clamping work to fastening nut, further improve fastening nut to screw fastener connection's tightness, and improve first machine part and second machine part connection stability.

Drawings

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1B according to the present utility model;

fig. 4 is a schematic top view of the present utility model.

In the figure: 1. a first mechanical part; 2. a second mechanical part; 3. a threaded fastener; 4. a fastening nut; 401. a movable groove; 5. an anti-slip clamping pad; 6. an L-shaped fixing frame; 601. limiting sliding grooves; 7. a sliding block; 8. a pull rod; 9. inserting a firmware; 10. a spring; 11. a fixing slot; 12. a screw rod; 13. a bearing block; 14. a clamping block; 1401. and a limit sliding block.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a mechanical part fastening connection structure, includes first mechanical part 1, second mechanical part 2, screw thread fastener 3 and fastening nut 4, first mechanical part 1 is connected through screw thread fastener 3 with second mechanical part 2, screw thread fastener 3's one end just sets up in the bottom of second mechanical part 2 and is provided with fastening nut 4, screw thread fastener 3's outside and fastening nut 4's screw thread fastening connection, fastening nut 4 both ends's internal connection has movable groove 401, movable groove 401's inside sliding connection has slider 7, slider 7's bottom is fixed with pull rod 8, slider 7 and pull rod 8 junction just twine have spring 10 in pull rod 8's outside, spring 10 sets up in movable groove 401's inside, slider 7's top is fixed with plug-in fastener 9, plug-in fastener 9 and plug-in fastener groove 11 location grafting realize strengthening fastening nut 4 to screw thread fastener 3 and connect the tightness.

The two ends of the bottom of the second mechanical part 2 are fixed with L-shaped fixing frames 6, screw rods 12 are connected in the side parts of the L-shaped fixing frames 6, and the end parts of the screw rods 12 are connected with clamping blocks 14 through bearing blocks 13.

The bottom of the second mechanical part 2 is internally and symmetrically connected and correspondingly connected with a plugging slot 11 corresponding to the plugging position of the plugging piece 9.

An anti-slip clamping pad 5 is arranged between the connection part of the threaded fastener 3 and the top of the first mechanical part 1 and between the connection part of the fastening nut 4 and the bottom of the second mechanical part 2.

The side part of the clamping block 14 is fixedly provided with a limiting slide block 1401, the top of the L-shaped fixing frame 6 is internally connected with a limiting slide groove 601, and the limiting slide block 1401 slides along the limiting slide groove 601 to limit the linear movement of the auxiliary clamping block 14 inside the L-shaped fixing frame 6.

The limit sliding block 1401 is in sliding connection with the limit sliding groove 601.

When the embodiment of the application is used, the following steps are adopted: the elasticity of the spring 10 can be utilized to enable the inserting fixing piece 9 to play a role in always inserting and positioning the inserting fixing groove 11 arranged in the second mechanical part 2, the problem of loosening caused by vibration operation of the second mechanical part 2 in the later period of the fastening nut 4 is effectively placed, the fastening connectivity of the fastening nut 4 and the threaded fastener 3 is improved, the manual rotating screw rod 12 is matched with the bearing block 13 to drive the clamping block 14 to move left and right on the inner side of the L-shaped fixing frame 6, the limiting sliding block 1401 slides along the limiting sliding groove 601 to enable the limiting auxiliary clamping block 14 to linearly move along the inner side of the L-shaped fixing frame 6, the distance between the two clamping blocks 14 before being used for adjusting the distance between the two clamping blocks 14 according to the specification of the fastening nut 4 is effectively placed, the two clamping blocks 14 are utilized to clamp the two sides of the fastening nut 4, and the connecting tightness of the fastening nut 4 to the threaded fastener 3 is further improved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a mechanical part fastening connection structure, its characterized in that, including first mechanical part (1), second mechanical part (2), threaded fastener (3) and fastening nut (4), first mechanical part (1) is connected through threaded fastener (3) with second mechanical part (2), the one end of threaded fastener (3) just sets up in the bottom of second mechanical part (2) is provided with fastening nut (4), the outside of threaded fastener (3) is connected with the screw thread fastening of fastening nut (4), the internal connection at fastening nut (4) both ends has movable groove (401), the inside sliding connection of movable groove (401) has sliding block (7), the bottom of sliding block (7) is fixed with pull rod (8), sliding block (7) and pull rod (8) junction and winding have spring (10) in the outside of pull rod (8), spring (10) set up in the inside of movable groove (401), the top of sliding block (7) is fixed with inserts firmware (9).

2. A mechanical part fastening connection structure according to claim 1, characterized in that: the two ends of the bottom of the second mechanical part (2) are fixedly provided with L-shaped fixing frames (6), screw rods (12) are connected in the side parts of the L-shaped fixing frames (6), and the end parts of the screw rods (12) are connected with clamping blocks (14) through bearing blocks (13).

3. A mechanical part fastening connection structure according to claim 2, characterized in that: the bottom of the second mechanical part (2) is internally and symmetrically connected and correspondingly connected with a plugging fixing groove (11) at the plugging position of the plugging fixing piece (9).

4. A mechanical part fastening connection structure according to claim 1, characterized in that: an anti-slip clamping pad (5) is arranged between the connection part of the threaded fastener (3) and the top of the first mechanical part (1) and between the connection part of the fastening nut (4) and the bottom of the second mechanical part (2).

5. A mechanical part fastening connection structure according to claim 2, characterized in that: the side part of the clamping block (14) is fixedly provided with a limiting slide block (1401), and the top of the L-shaped fixing frame (6) is internally connected with a limiting slide groove (601).

6. The mechanical part fastening connection structure according to claim 5, wherein: the limiting sliding block (1401) is in sliding connection with the limiting sliding groove (601).