CN220378656U

CN220378656U - Half round head inner hexagon screw

Info

Publication number: CN220378656U
Application number: CN202322136085.3U
Authority: CN
Inventors: 陈兵杰
Original assignee: Zhejiang Shengyi Hardware Technology Co ltd
Current assignee: Zhejiang Shengyi Hardware Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-01-23
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a half-round head inner hexagon screw, and relates to the technical field of screws. The novel ring-shaped nut comprises a half-round head fixing cap, wherein a hexagonal groove is formed in the center of the top of the half-round head fixing cap, a threaded rod is fixedly connected to the center of the bottom of the half-round head fixing cap, an annular gasket is fixedly connected to the bottom of the half-round head fixing cap, and the top of the threaded rod is located in a hollow hole of the annular gasket; the dustproof assembly is arranged in the hexagonal groove and is used for preventing dust from depositing in the hexagonal groove; the anti-theft component is arranged in the hexagonal groove and is used for limiting the use of a specific internal hexagonal wrench. The utility model can effectively prevent dust or impurities in the air from being deposited in the hexagonal groove, thereby avoiding cleaning the dust in the hexagonal groove and then disassembling the hexagonal groove, being convenient to use, and the screw can be screwed only by using a specific inner hexagonal wrench, thereby preventing other people from opening the equipment without permission and improving the anti-theft safety.

Description

Half round head inner hexagon screw

Technical Field

The utility model belongs to the technical field of screws, and particularly relates to a half-round head socket head cap screw.

Background

The socket head cap screws, also referred to as socket head cap screws, cup head cap screws, are not the same, but are represented by the same meaning. The socket head cap screw is a tool for progressively fastening a machine part by utilizing the physical and mathematical principles of the circular rotation and friction force of an inclined plane of an object, and is an indispensable product in daily life or industrial production.

Through retrieving, the patent of bulletin number CN215214325U discloses a take and fill up hexagon socket head cap screw, belongs to screw technical field, take and fill up hexagon socket head cap screw includes the semicircle head, semicircle head lower extreme fixedly connected with screw rod, the fretwork recess has been seted up to the screw rod bottom surface, extrusion groove has been seted up to semicircle head lower surface, extrusion groove upper end inner wall fixedly connected with spring, spring lower extreme fixedly connected with extrusion post, extrusion post lower extreme fixedly connected with gasket, extrusion post both sides fixedly connected with stopper.

The above-mentioned take to fill up half round head hexagon socket head cap screw avoids the screw to take place not hard up at the installation back gasket through the rebound extrusion effect of spring, but the overhead hexagonal recess of its semicircle exposes in the air, easily leads to dust or impurity deposit in the hexagonal recess, when needing to overhaul equipment, need clear up the dust in the hexagonal recess earlier and dismantle again, it is comparatively troublesome to generally applicable hexagon socket head cap wrench all can unscrew this half round head hexagon socket head cap screw, and the security is not high.

Disclosure of Invention

The utility model aims to provide a half-round head socket head cap screw, which effectively prevents dust or impurities in the air from being deposited in a hexagonal groove, and can be screwed by using a specific socket head cap wrench, so that the device is prevented from being opened by others without permission, the anti-theft safety is improved, and the technical problems that dust or impurities are easy to deposit in the hexagonal groove when the hexagonal groove of the traditional half-round head socket head cap screw is exposed in the air, the dust in the hexagonal groove needs to be cleaned before the disassembly when the device is required to be overhauled, the problem is troublesome, and the socket head cap screw can be unscrewed by using a commonly applicable socket head cap wrench, and the safety is low are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

half round head socket head cap screw includes:

the device comprises a semicircular head fixing cap, wherein a hexagonal groove is formed in the center of the top of the semicircular head fixing cap, a threaded rod is fixedly connected to the center of the bottom of the semicircular head fixing cap, an annular gasket is fixedly connected to the bottom of the semicircular head fixing cap, and the top of the threaded rod is located in a hollow hole of the annular gasket;

the dustproof assembly is arranged in the hexagonal groove and is used for preventing dust from depositing in the hexagonal groove;

the anti-theft component is arranged in the hexagonal groove and is used for limiting the use of a specific internal hexagonal wrench.

Optionally, dustproof subassembly is including being two mounting grooves that the symmetry was located in the semicircle head fixation cap, two the notch of mounting groove all communicates with the bottom of hexagonal recess inner wall, the central fixedly connected with spring of mounting groove inner wall bottom, two the top fixedly connected with one dust guard of spring, be equipped with telescopic tube in the spring, telescopic tube's both ends respectively with the bottom of mounting groove inner wall and the bottom fixed connection of dust guard, the dust guard flushes with the notch of hexagonal recess when telescopic tube extends to the maximum distance.

Optionally, the anti-theft component includes the post type piece of fixed connection in hexagonal recess inner wall bottom central authorities, the post type piece is located between two mounting grooves, the top of post type piece extends to the hexagonal recess notch outside.

Optionally, a through hole for the column-shaped block to pass through is formed in the dustproof sheet, and the dustproof sheet is in sliding connection with the column-shaped block through the through hole.

Optionally, the bottom of annular gasket is annular array fixedly connected with a plurality of anti-skidding tooth pieces, anti-skidding tooth piece is the slope setting.

Optionally, the size of the dustproof sheet is consistent with the size of the notch of the hexagonal groove.

The embodiment of the utility model has the following beneficial effects:

according to the utility model, the dust-proof assembly is arranged, the hexagonal groove is blocked by the dust-proof sheet, so that dust or impurities in the air can be effectively prevented from being deposited in the hexagonal groove, dust in the hexagonal groove is prevented from being cleaned firstly and then disassembled, the use is convenient, and the dust-proof sheet is flush with the notch of the hexagonal groove when the telescopic sleeve is extended to the maximum distance, so that the spring can be prevented from bringing the dust-proof sheet out of the notch of the hexagonal groove, a larger gap is avoided, and good dust-proof effect is maintained.

According to the anti-theft device, the anti-theft component is arranged, and the column-shaped blocks are arranged in the hexagonal grooves, so that a specific inner hexagonal wrench is required to be used when the screw is installed or detached, and therefore equipment is prevented from being opened by others without permission, and anti-theft safety is improved.

According to the utility model, the anti-slip tooth plates are arranged, and the plurality of anti-slip tooth plates which are arranged in the annular array are tightly abutted against the installation surface of the equipment, so that the friction force is increased, and the equipment is not easy to loosen.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a half-round head socket head cap screw according to an embodiment of the present utility model;

FIG. 2 is a schematic view of a ring-shaped spacer of a half-round head socket head cap screw according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram showing a disassembled structure of a half-round head socket head cap screw in a top view according to an embodiment of the present utility model;

fig. 4 is a schematic view showing a partial cross-sectional structure of a half-round head socket head cap screw according to an embodiment of the present utility model.

In the figure: 1. a half-round head fixing cap; 2. a threaded rod; 3. hexagonal grooves; 4. an annular gasket; 5. an anti-slip tooth sheet; 6. a mounting groove; 7. a telescoping tube; 8. a spring; 9. a dust-proof sheet; 10. a column block; 11. and a through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described 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.

In the description of the present utility model, it should be understood that the terms "open," "upper," "middle," "length," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In order to keep the following description of the embodiments of the present utility model clear and concise, the detailed description of known functions and known components thereof have been omitted.

Example 1

Referring to fig. 1-4, in this embodiment, a half-head socket head cap screw is provided, which includes:

the device comprises a semicircular head fixing cap 1, wherein a hexagonal groove 3 is formed in the center of the top of the semicircular head fixing cap 1, a threaded rod 2 is fixedly connected to the center of the bottom of the semicircular head fixing cap 1, an annular gasket 4 is fixedly connected to the bottom of the semicircular head fixing cap 1, and the top of the threaded rod 2 is located in a hollow hole of the annular gasket 4;

the semicircular head fixing cap 1 is fixedly connected with the annular gasket 4, so that the annular gasket 4 is prevented from loosening due to the influence of equipment vibration;

the dustproof assembly is arranged in the hexagonal groove 3 and is used for preventing dust from depositing in the hexagonal groove 3 and blocking the hexagonal groove 3, so that dust or impurities in air can be effectively prevented from depositing in the hexagonal groove 3, and the dust in the hexagonal groove 3 is prevented from being cleaned first and then disassembled, and the use is convenient;

the anti-theft component is arranged in the hexagonal groove 3 and used for limiting the use of a specific inner hexagonal wrench, and when the screw is installed or disassembled, the screw can be screwed by using the specific inner hexagonal wrench, so that other people are prevented from opening the device without permission, and the anti-theft safety is improved.

In one aspect of this embodiment, as shown in fig. 1 and fig. 3-4, the dustproof assembly includes two mounting grooves 6 symmetrically arranged in the semicircular head fixing cap 1, the notches of the two mounting grooves 6 are all communicated with the bottom of the inner wall of the hexagonal groove 3, the center of the bottom of the inner wall of the mounting groove 6 is fixedly connected with a spring 8, the tops of the two springs 8 are fixedly connected with the same dustproof sheet 9, the hexagonal groove 3 is blocked by the dustproof sheet 9, dust or impurities in the air can be effectively prevented from being deposited in the hexagonal groove 3, so that dust in the hexagonal groove 3 is prevented from being cleaned first and then detached, the use is convenient, the dustproof sheet 9 is forced to translate downwards in the process of removing screws, the spring 8 is promoted to shrink into the mounting groove 6, normal screwing of the screws is prevented, and the dustproof sheet 9 can be driven to reset by using the extension of the spring 8. Optionally, the dust-proof sheet 9 may be a rubber sheet or a metal sheet, which is not limited in this application.

In one aspect of this embodiment, as shown in fig. 3-4, a telescopic tube 7 is disposed in the spring 8, two ends of the telescopic tube 7 are fixedly connected with the bottom of the inner wall of the mounting groove 6 and the bottom of the dust-proof sheet 9 respectively, the dust-proof sheet 9 is flush with the notch of the hexagonal groove 3 when the telescopic tube 7 is extended to the maximum distance, and the dust-proof sheet 9 is flush with the notch of the hexagonal groove 3 when the telescopic tube 7 is extended to the maximum distance, so that the spring 8 can be prevented from bringing the dust-proof sheet 9 out of the notch of the hexagonal groove 3, thereby avoiding generating larger gaps, and being beneficial to keeping good dust-proof effect.

In another aspect of the present embodiment, as shown in fig. 3 to 4, the anti-theft assembly includes a column-shaped block 10 fixedly connected to the center of the bottom of the inner wall of the hexagonal groove 3, the column-shaped block 10 is located between two mounting grooves 6, and the top of the column-shaped block 10 extends out of the notch of the hexagonal groove 3, and since the column-shaped block 10 is disposed in the hexagonal groove 3, a specific socket head wrench is required to be used when mounting or dismounting the screw, thereby preventing others from unauthorised opening the device and improving anti-theft security.

Example two

Improvement on the basis of the first embodiment: referring to fig. 3 to 4, the dust-proof sheet 9 is provided with a through hole 11 for the column-shaped block 10 to pass through, the dust-proof sheet 9 is slidably connected with the column-shaped block 10 through the through hole 11, and the dust-proof sheet 9 is prevented from being deviated when sliding up and down due to the sliding connection of the dust-proof sheet 9 and the column-shaped block 10 through the through hole 11, and the guiding function is achieved by the column-shaped block 10.

Referring to fig. 2, the bottom of the annular gasket 4 is an annular array and fixedly connected with a plurality of anti-slip tooth plates 5, the anti-slip tooth plates 5 are obliquely arranged, and the plurality of anti-slip tooth plates 5 which are arranged in an annular array are tightly abutted against the installation surface of the equipment, so that friction force is increased, and therefore the equipment is not easy to loosen.

Referring to fig. 1, the size of the dust-proof sheet 9 is consistent with the size of the notch of the hexagonal groove 3, which is beneficial to keeping relatively closed and avoiding dust from falling into the hexagonal groove 3 from the gap.

The technical scheme of the utility model comprises the following use flows and working principles:

when in use, the column-shaped block 10 is arranged in the hexagonal groove 3, so that a specific inner hexagonal wrench is required to be used when the screw is installed or disassembled, thereby preventing other people from opening the equipment without permission and improving the anti-theft safety;

the hexagonal groove 3 is plugged by the dustproof sheet 9, dust or impurities in the air can be effectively prevented from being deposited in the hexagonal groove 3, so that dust in the hexagonal groove 3 is prevented from being cleaned firstly and then detached, the dustproof sheet 5 at the bottom of the annular gasket 4 is convenient to use, the friction force is increased, the dustproof sheet 5 is not easy to loosen, in addition, when the screw is detached, a specific inner hexagonal wrench is inserted into the hexagonal groove 3, the dustproof sheet 9 is forced to translate downwards, the telescopic sleeve 7 and the spring 8 are promoted to shrink into the mounting groove 6, normal screwing of the screw is prevented from being influenced, after the specific inner hexagonal wrench is removed, the spring 8 stretches to drive the dustproof sheet 9 to reset, and the dustproof sheet 9 is prevented from being brought out of the notch of the hexagonal groove 3 when the telescopic sleeve 7 stretches to the maximum distance, so that the spring 8 is prevented from bringing the dustproof sheet 9 out of the notch of the hexagonal groove 3, and larger gaps are avoided, and good dustproof effects are facilitated to be maintained.

It should be noted that in the description of the present specification, descriptions such as "first", "second", etc. are merely for distinguishing features, and there is no actual order or sense of orientation, and the present application is not limited thereto.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. Half round head socket head cap screw, its characterized in that includes:

the novel anti-theft device comprises a semicircular head fixing cap (1), wherein a hexagonal groove (3) is formed in the center of the top of the semicircular head fixing cap (1), a threaded rod (2) is fixedly connected to the center of the bottom of the semicircular head fixing cap (1), an annular gasket (4) is fixedly connected to the bottom of the semicircular head fixing cap (1), and the top of the threaded rod (2) is located in a hollow hole of the annular gasket (4);

the dustproof assembly is arranged in the hexagonal groove (3) and is used for preventing dust from being deposited in the hexagonal groove (3);

the anti-theft component is arranged in the hexagonal groove (3) and is used for limiting the use of a specific inner hexagonal wrench.

2. The half round head socket head cap screw according to claim 1, wherein the dustproof component comprises two mounting grooves (6) symmetrically arranged in the half round head fixing cap (1), the notch of each mounting groove (6) is communicated with the bottom of the inner wall of the hexagonal groove (3), a spring (8) is fixedly connected to the center of the bottom of the inner wall of each mounting groove (6), the top of each spring (8) is fixedly connected with the same dustproof sheet (9), a telescopic sleeve (7) is arranged in each spring (8), two ends of each telescopic sleeve (7) are fixedly connected with the bottom of the inner wall of each mounting groove (6) and the bottom of each dustproof sheet (9), and the dustproof sheets (9) are flush with the notch of the hexagonal groove (3) when the telescopic sleeve (7) stretches to the maximum distance.

3. The half-round head socket head cap screw according to claim 2, wherein the anti-theft component comprises a column-shaped block (10) fixedly connected to the center of the bottom of the inner wall of the hexagonal groove (3), the column-shaped block (10) is located between two mounting grooves (6), and the top of the column-shaped block (10) extends out of the notch of the hexagonal groove (3).

4. A hexagon socket head cap screw according to claim 3, wherein the dust-proof sheet (9) is provided with a through hole (11) for the column-shaped block (10) to pass through, and the dust-proof sheet (9) is slidably connected with the column-shaped block (10) through the through hole (11).

5. The half-round head socket head cap screw according to claim 1, wherein the bottom of the annular gasket (4) is fixedly connected with a plurality of anti-slip tooth plates (5) in an annular array, and the anti-slip tooth plates (5) are obliquely arranged.

6. The half-head socket head cap screw according to claim 2, wherein the dust-proof sheet (9) has a size which is identical to the size of the notch of the hexagonal groove (3).