CN219639231U - Anti-drop type connecting structure of screw and waist-shaped hole - Google Patents

Abstract

The utility model provides a screw and anticreep type connection structure in waist type hole, including anticreep screw and locating the anticreep waist type hole on the mounting panel, the anticreep screw includes the connector and is connected the spliced pole as an organic whole type structure with the connector bottom surface, the upper half section of spliced pole is the polished rod and the lower half section is the screw rod that the diameter is greater than the polished rod, the polished rod adaptation of spliced pole is in the anticreep waist type downthehole, and the step face that polished rod and screw rod junction formed is located behind the anticreep waist type hole external positioning, realize anticreep screw and the anticreep type of anticreep waist type hole and be connected. According to the utility model, through optimizing the structures of the original waist-shaped hole and the screw, the anti-drop screw formed by fixedly connecting the connector and the connecting column with the diameter of the upper section of the polished rod smaller than that of the lower section of the screw rod is adopted, so that the step surface formed at the joint of the polished rod and the screw rod is positioned outside the waist-shaped hole, the problems that the original screw is easy to drop and the mounting efficiency is low when being connected with the waist-shaped hole are solved, and the anti-drop screw has the advantages of simple structure, novel design, low cost, strong universality, good anti-drop performance and wide application range.

Description

Anti-drop type connecting structure of screw and waist-shaped hole

Technical Field

The utility model belongs to the technical field of mechanical connection structures, and particularly relates to an anti-drop type connection structure of a screw and a waist-shaped hole.

Background

Along with the development of science and technology, the processing capability of equipment is stronger and stronger, the precision of part processing is higher and higher, and the common waist type hole generally does not have the anticreep function, and screw and the gasket of installing in waist type hole in the installation very easily drop, and especially the installation direction is from down when upwards installing, consequently, in order to guarantee that the waist type hole does not drop when installing the screw, improves screw installation effectiveness, needs to improve.

Disclosure of Invention

The utility model solves the technical problems that: the utility model provides a screw and anticreep type connection structure in waist type hole, through the structure of the former waist type hole of optimization and screw, adopt connector and the spliced pole that upper segment polished rod diameter is less than lower half section screw diameter to link firmly the anticreep screw that forms, make the step face that polished rod and screw rod junction formed lie in the outside location in taking off waist type hole, the problem that drops easily and the installation effectiveness is low when having solved former screw and waist type hole connection, simple structure, novel in design, with low costs, the commonality is strong, anticreep performance is good, application scope is wide.

The utility model adopts the technical scheme that: the utility model provides a anticreep type connection structure in screw and waist type hole, includes anticreep screw and locates the anticreep waist type hole on the mounting panel, the anticreep screw includes the connector and is connected the spliced pole as an organic whole type structure with the connector bottom surface, the upper half section of spliced pole is the polished rod and the lower half section is the screw rod that the diameter is greater than the polished rod, the polished rod adaptation of spliced pole is in anticreep waist type downthehole, and the step face that polished rod and screw rod junction formed is located anticreep waist type hole outside location back, realizes the anticreep screw and the anticreep in anticreep waist type hole is connected.

The screw rod of the lower half section of the anti-falling screw penetrates through the gasket and is adapted to the threaded hole and screwed out, the anti-falling screw and the gasket are moved in the direction of the square hole until a step surface formed at the joint of the polished rod and the screw rod is located behind the outer part of the semicircular hole or the square hole, and anti-falling connection of the anti-falling screw and the anti-falling waist-shaped hole is achieved.

Compared with the prior art, the utility model has the advantages that:

1. according to the technical scheme, the structure of the original waist-shaped hole and the screw is optimized, and the anti-drop screw formed by fixedly connecting the connector and the connecting column with the diameter smaller than that of the lower half section of the screw rod is adopted, so that the step surface formed at the joint of the screw rod and the screw rod is positioned outside the waist-shaped hole, and the problems that the original screw is easy to drop and the installation efficiency is low when connected with the waist-shaped hole are solved;

2. according to the technical scheme, the anti-falling waist-shaped hole is formed by the threaded hole at one end, the small semicircular hole at the other end and the square hole which is used for communicating the threaded hole with the small semicircular hole, so that after the screw rod at the lower end of the anti-falling screw is matched with the threaded hole and penetrates out, the anti-falling screw is moved until the step surface formed at the joint of the polished rod and the screw rod is positioned outside the anti-falling waist-shaped hole, the anti-falling connection of the anti-falling screw and the anti-falling waist-shaped hole is realized, the movement of the anti-falling screw and the gasket in the anti-falling waist-shaped hole is ensured, and the non-falling function of the anti-falling screw and the anti-falling waist-shaped hole is realized;

3. the technical scheme has the advantages of simple structure, novel design, low cost, strong universality, good anti-drop performance and wide application range.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model.

Detailed Description

The technical solution in the embodiments of the present utility model will be clearly and completely described in the following with reference to fig. 1 in the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The inclusion of an element as defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The anti-drop type connecting structure of the screw and the waist-shaped hole is shown in fig. 1, and comprises an anti-drop screw 1 and an anti-drop waist-shaped hole 4 arranged on a mounting plate 3, wherein the anti-drop screw 1 comprises a connector 1-1 and a connecting column 1-2 connected with the bottom surface of the connector 1-1 into an integrated structure, the upper half section of the connecting column 1-2 is a polished rod, the lower half section of the connecting column is a screw rod with the diameter larger than that of the polished rod, the polished rod of the connecting column 1-2 is adapted to the anti-drop waist-shaped hole 4, and a step surface formed at the joint of the polished rod and the screw rod is positioned outside the anti-drop waist-shaped hole 4 to realize anti-drop connection of the anti-drop screw 1 and the anti-drop waist-shaped hole 4; in the structure, the structure of the original waist-shaped hole and the screw is optimized, and the anti-drop screw 1 formed by fixedly connecting the connector 1-1 and the connecting column 1-2 with the diameter of the upper section of the polished rod smaller than that of the lower section of the screw is adopted, so that the step surface formed at the joint of the polished rod and the screw is positioned outside the anti-drop waist-shaped hole 4, and the problems that the original screw is easy to drop and the installation efficiency is low when being connected with the waist-shaped hole are solved;

the specific structure of the anti-drop waist-shaped hole 4 is as follows: the anti-drop waist-shaped hole 4 consists of a threaded hole 4-1 at one end, a small semicircular hole 4-2 at the other end and a square hole 4-3 for communicating the threaded hole 4-1 with the small semicircular hole 4-2, wherein the diameter of the small semicircular hole 4-2 is equal to the groove width of the square hole 4-3, the diameter of the threaded hole 4-1 is larger than that of the small semicircular hole 4-2, a screw rod at the lower half section of the anti-drop screw 1 passes through the gasket 2 to be matched with the threaded hole 4-1 and is screwed out, and the anti-drop screw 1 and the gasket 2 are moved along the direction of the square hole 4-3 until a step surface formed at the joint of a polished rod and the screw rod is positioned outside the semicircular hole 4-2 or the square hole 4-3, so that the anti-drop connection of the anti-drop screw 1 and the anti-drop waist-shaped hole 4 is realized; in the structure, the anti-drop waist-shaped hole 4 is formed by the threaded hole 4-1 at one end, the small semicircular hole 4-2 at the other end and the square hole 4-3 which is used for communicating the threaded hole 4-1 with the small semicircular hole 4-2, so that after the screw rod at the lower end of the anti-drop screw 1 is matched with the threaded hole 4-1 and is penetrated out, the step surface formed by moving the anti-drop screw 1 to the joint of the polished rod and the screw rod is positioned outside the anti-drop waist-shaped hole 4, the anti-drop connection of the anti-drop screw 1 and the anti-drop waist-shaped hole 4 is realized, the anti-drop screw 1 and the gasket 2 are ensured to move in the anti-drop waist-shaped hole, and the anti-drop function of the anti-drop screw 1 and the anti-drop waist-shaped hole 4 is realized;

this technical scheme simple structure, novel in design, with low costs, the commonality is strong, wherein, make the step face that polished rod and screw rod junction formed on the anticreep screw 1 be located anticreep waist type hole 4 external positioning after anticreep screw 1 is connected with anticreep waist type hole 4 for carry out one-level anticreep to anticreep screw 1, and screw hole 4-1's setting for anticreep screw 1 dress is behind anticreep waist type hole 4, under the effect of screw hole 4-1, realizes the second grade anticreep of anticreep screw 1, and anticreep performance is good, and application scope is wide.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (1)

1. Anti-drop type connection structure in screw and waist hole, its characterized in that: the anti-drop screw comprises an anti-drop screw (1) and an anti-drop waist-shaped hole (4) arranged on a mounting plate (3), wherein the anti-drop screw (1) comprises a connector (1-1) and a connecting column (1-2) which is connected with the bottom surface of the connector (1-1) into an integrated structure, the upper half section of the connecting column (1-2) is a polished rod, the lower half section of the connecting column is a screw rod with the diameter larger than that of the polished rod, the polished rod of the connecting column (1-2) is adapted to the anti-drop waist-shaped hole (4), and after the step surface formed at the joint of the polished rod and the screw rod is positioned outside the anti-drop waist-shaped hole (4), the anti-drop connection of the anti-drop screw (1) and the anti-drop waist-shaped hole (4) is realized;

the anti-drop waist-shaped hole (4) is composed of a threaded hole (4-1) at one end, a small semicircular hole (4-2) at the other end and a square hole (4-3) which is used for communicating the threaded hole (4-1) with the small semicircular hole (4-2), the diameter of the small semicircular hole (4-2) is equal to the groove width of the square hole (4-3), the diameter of the threaded hole (4-1) is larger than the diameter of the small semicircular hole (4-2), and after a screw rod at the lower half section of the anti-drop screw (1) penetrates through a gasket (2) to be matched with the threaded hole (4-1) and is screwed out, the anti-drop screw (1) and the gasket (2) are moved to the outside of the semicircular hole (4-2) or the square hole (4-3) along the direction of a step surface formed at the joint of the polish rod and the screw rod, so that the anti-drop screw (1) is connected with the anti-drop waist-shaped hole (4).