CN218493996U

CN218493996U - Fastener with gasket anti-drop function

Info

Publication number: CN218493996U
Application number: CN202222967100.4U
Authority: CN
Inventors: 申达勤; 夏冬晴; 张超森; 熊伟
Original assignee: Chinjet Precision Electron Co ltd
Current assignee: Chinjet Precision Electron Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-02-17
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a fastener with gasket anti-drop function belongs to the fastener field, including screw assembly, the gasket district includes the gasket body and runs through and install the pole of putting at the gasket body middle-end, put the top of pole and install the rotary column, the utility model provides a because be not connected between gasket and the screw, lead to when taking out the screw from the apparatus, its gasket easily drops from screw thread department, need operator's cost time to look for it, it is comparatively time-consuming, use comparatively inconvenient problem, through the threaded rod, the rotary column with put the setting of pole, gasket body cover is at the surface of screw body, the rotary column drives puts the inside that the pole passed the rotary trough, inject screw hole A's inside, utilize the screw A pore screw thread on stopper top to cup joint the threaded rod surface of putting the pole bottom, the lower extreme of opposition pole carries on spacingly, rotate the rotary column, make the screw B threaded connection who puts the pole surface in screw hole A's inside, accomplish the rotary column and put the fixing between the pole, spacing to the gasket body, avoid dropping.

Description

Fastener with gasket anti-drop function

Technical Field

The utility model relates to a fastener, more specifically the utility model relates to a fastener with gasket anti-drop function that says so.

Background

Fasteners are a very widely used class of mechanical parts for fastening connections. A wide variety of fasteners are found on a variety of machines, equipment, vehicles, boats, railways, bridges, buildings, structures, tools, instruments, meters, supplies, and the like. It features various varieties and specifications and different functions and applications. In the screw, the contact area can be increased by utilizing the gasket, the pressure is reduced, and the looseness is prevented.

When using, the gasket is usually sleeved at the threaded end by the existing fastener, but in actual operation, because the gasket is not connected with the screw, when the screw is taken out of the tool, the gasket is easy to drop from the threaded end, an operator needs to spend time to find the gasket, and the fastener is time-consuming and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art because be connected between gasket and the screw, lead to when taking out the screw from the apparatus, its gasket easily drops from screw thread end department, needs operator's cost time to look for it, comparatively takes time, uses comparatively inconveniently, provides a fastener with gasket anti-drop function to it is not enough more than solving, facilitates the use.

In order to achieve the above purpose, the utility model provides a technical scheme does:

the utility model discloses a fastener with gasket anti-drop function, including the screw subassembly, the screw subassembly includes the screw cap and installs the screw body in the screw cap bottom, and the surface of screw body is equipped with the gasket district;

the gasket area comprises a gasket body and a rod arranged at the middle end of the gasket body in a penetrating mode, the top end of the rod is provided with a rotating column, and the bottom end of the rod penetrates through the gasket body to restrain the gasket body.

Preferably, the lower end of the rotary column is provided with a thread B on the outer surface of the placing rod, and the bottom end of the rotary column is provided with a threaded rod.

Preferably, the outer surface of the threaded rod is provided with a limiting block, and the outer surface of the limiting block is also provided with a thread A.

Preferably, the middle end of the top of the limiting block is provided with a thread pore, and the threaded rod is in threaded connection with the inside of the thread pore.

Preferably, the rotary columns, the placing rods, the threaded rods and the limiting blocks are arranged in two groups, and the two groups of rotary columns, the placing rods, the threaded rods and the limiting blocks are symmetrically distributed about the vertical central line of the gasket body.

Preferably, the top end of the screw cap is provided with a middle groove, the inside of the middle groove is provided with a threaded hole B for accommodating the rod, and the inside of the middle groove is also provided with a threaded groove for accommodating the limiting block.

Preferably, the top end of the screw cap is also provided with a rotating groove, a threaded hole A is formed in the rotating groove and used for fixing the rod, and the threaded hole A penetrates through the middle end of the screw cap.

Preferably, it all is equipped with two sets ofly, two sets ofly to change groove, screw hole A, screw hole B and screw thread and put the groove and put the vertical central line symmetric distribution about the screw cap.

Preferably, the bottom end of the screw cap is provided with a built-in groove, the top end of the screw body is provided with a hole, and the hole is aligned with the threaded hole B.

Preferably, the hole is provided with two groups, and the two groups of the holes are symmetrically distributed about the vertical center line of the screw body.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

compared with the prior art, the beneficial effects of the utility model are as follows:

(1) The utility model discloses a fastener with gasket anti-drop function, through the setting of threaded rod, rotary column and putting pole, the gasket body overlaps the surface at the screw body, the rotary column drives the putting pole and passes the inside of rotary trough, inject the inside of screw hole A, the lower extreme of putting the pole this moment injects the middle-end of gasket body, utilize the screw thread pore screw thread at stopper top to cup joint the threaded rod surface of putting the pole bottom this moment, the lower extreme of putting the pole carries out spacing, rotate the rotary column, make the screw thread B threaded connection of putting the pole surface in the inside of screw hole A, accomplish the fixing between rotary column and the putting pole, conveniently to the spacing of gasket body, avoid dropping;

(2) The utility model discloses a fastener with gasket anti-drop function, through the stopper, screw hole B and the setting of putting the hole, when using screw assembly, rotate the stopper and put the pole, with the rotary column with put the pole and withdraw from screw hole A is inside, the lower extreme that will put the pole injects screw hole B and puts the inside in hole, the screw thread B threaded connection who utilizes to put the pole surface in screw hole B's inside, accomplish the installation of opposition pole, can install the stopper in the inside that the groove was put to the screw thread, utilize screw thread A to make the stopper screw thread install in the inside that the groove was put to the screw thread, accomplish the rotary column, put the installation of pole and stopper.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a view of the structure of the screw cap of the present invention;

FIG. 3 is a bottom structure view of the screw cap of the present invention;

FIG. 4 is a view of the structure of the screw body of the present invention;

fig. 5 is a diagram of the structure of the gasket area of the present invention.

In the figure: 1. a screw assembly; 11. a screw cap; 111. rotating the groove; 112. a threaded hole A; 113. a middle groove; 114. a threaded hole B; 115. placing a groove in a thread; 116. a built-in groove; 12. a screw body; 121. placing holes; 13. a gasket region; 131. turning the column; 132. placing a rod; 133. a threaded rod; 134. a limiting block; 135. fine screw holes; 136. a thread A; 137. a spacer body; 138. and a thread B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings.

Referring to fig. 1, the fastener with the function of preventing the gasket from falling off comprises a screw assembly 1, wherein the screw assembly 1 comprises a screw cap 11 and a screw body 12 installed at the bottom end of the screw cap 11, and a gasket area 13 is arranged on the outer surface of the screw body 12.

The present invention will be further described with reference to the following examples.

The first embodiment is as follows:

with reference to fig. 2-5, the gasket area 13 includes a gasket body 137 and a rod 132 penetrating through the middle of the gasket body 137, the top of the rod 132 is mounted with a rotary column 131, the bottom of the rod 132 penetrates through the gasket body 137 to constrain the gasket body 137, the lower end of the rotary column 131 is provided with a thread B138 on the outer surface of the rod 132, the bottom of the rotary column 131 is mounted with a threaded rod 133, the outer surface of the threaded rod 133 is provided with a limit block 134, the outer surface of the limit block 134 is also provided with a thread a136, the middle end of the top of the limit block 134 is provided with a thread pore 135, the threaded rod 133 is screwed inside the thread pore 135, the rotary column 131, the rod 132, the threaded rod 133 and the limit block 134 are provided with two sets, the two sets of rotary column 131, the rod 132, the threaded rod 133 and the limit block 134 are symmetrically distributed about the vertical centerline of the gasket body 137, the top of the screw cap 11 is provided with a middle groove 113, the screw hole B114 is formed in the middle groove 113, the screw hole B114 is used for accommodating a rod (132), the thread accommodating groove 115 is formed in the middle groove 113, the limiting block 134 is used for accommodating, the rotary groove 111 is formed in the top end of the screw cap 11, the threaded hole A112 is formed in the rotary groove 111, the rod 132 is fixed, the threaded hole A112 penetrates through the middle end of the screw cap 11, two sets of the rotary groove 111, the threaded hole A112, the threaded hole B114 and the thread accommodating groove 115 are arranged, the rotary groove 111, the threaded hole A112, the threaded hole B114 and the thread accommodating groove 115 are symmetrically distributed about the vertical center line of the screw cap 11, the built-in groove 116 is formed in the bottom end of the screw cap 11, the accommodating hole 121 is formed in the top end of the screw body 12, the accommodating hole 121 is aligned with the threaded hole B114, two sets of the accommodating hole 121 are arranged, and the two sets of the accommodating hole 121 are symmetrically distributed about the vertical center line of the screw body 12.

In this embodiment: the washer body 137 is sleeved on the outer surface of the screw body 12, the rotary column 131 drives the placing rod 132 to pass through the inside of the rotary groove 111 and be inserted into the inside of the threaded hole A112, at this time, the lower end of the placing rod 132 is inserted into the middle end of the washer body 137, at this time, the threaded fine hole 135 at the top end of the limiting block 134 is in threaded sleeve connection with the outer surface of the threaded rod 133 at the bottom end of the placing rod 132, the lower end of the placing rod 132 is limited, the rotary column 131 is rotated, the thread B138 at the outer surface of the placing rod 132 is in threaded connection with the inside of the threaded hole A112, fixing between the rotary column 131 and the placing rod 132 is completed, the limiting of the washer body 137 is convenient, dropping is avoided, when the screw assembly 1 is used, the limiting block 134 and the placing rod 132 are rotated, the rotary column 131 and the placing rod 132 are withdrawn from the inside of the threaded hole A112, the lower end of the placing rod 132 is inserted into the inside of the threaded hole B114 and the placing hole 121, the thread B138 at the outer surface of the placing rod 132 is in threaded connection with the inside of the threaded hole B114, installation of the limiting block 134 and the placing rod 132 are completed, the limiting block 134 and the installation of the placing rod 132.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fastener with gasket anti-drop function, includes screw assembly (1), its characterized in that: the screw assembly (1) comprises a screw cap (11) and a screw body (12) arranged at the bottom end of the screw cap (11), and a gasket area (13) is arranged on the outer surface of the screw body (12);

the gasket area (13) comprises a gasket body (137) and a rod (132) penetrating through the middle end of the gasket body (137), the top end of the rod (132) is provided with a rotating column (131), the bottom end of the rod (132) penetrates through the gasket body (137), and the gasket body (137) is restrained.

2. The fastener with the gasket anti-drop function according to claim 1, wherein: the lower extreme of rotary column (131) just is being offered screw thread B (138) in the surface of putting pole (132), and threaded rod (133) are installed to the bottom of rotary column (131).

3. The fastener with the gasket anti-drop function according to claim 2, wherein: the outer surface of threaded rod (133) is equipped with stopper (134), and the surface of stopper (134) is seted up screw thread A (136).

4. The fastener with the gasket anti-drop function according to claim 3, wherein: the middle end of the top of the limiting block (134) is provided with a thread pore (135), and the threaded rod (133) is in threaded connection with the inside of the thread pore (135).

5. The fastener with the gasket anti-drop function according to claim 4, wherein: the two groups of the rotary columns (131), the rod placing (132), the threaded rod (133) and the limiting block (134) are arranged, and the two groups of the rotary columns (131), the rod placing (132), the threaded rod (133) and the limiting block (134) are symmetrically distributed around the vertical central line of the gasket body (137).

6. The fastener with the gasket anti-drop function according to claim 5, wherein: the top end of the screw cap (11) is provided with a middle groove (113), a threaded hole B (114) is formed in the middle groove (113) and used for accommodating the rod (132), and a threaded groove (115) is also formed in the middle groove (113) and used for accommodating the limiting block (134).

7. The fastener with a spacer falling-off preventing function according to claim 6, wherein: the top end of the screw cap (11) is also provided with a rotating groove (111), a threaded hole A (112) is formed in the rotating groove (111) and used for fixing the rod (132), and the threaded hole A (112) penetrates through the middle end of the screw cap (11).

8. The fastener with the gasket anti-drop function according to claim 7, wherein: the rotary groove (111), the threaded hole A (112), the threaded hole B (114) and the thread placing groove (115) are both provided with two groups, and the rotary groove (111), the threaded hole A (112), the threaded hole B (114) and the thread placing groove (115) are symmetrically distributed about the vertical center line of the screw cap (11).

9. The fastener with the gasket anti-drop function according to claim 8, wherein: the bottom end of the screw cap (11) is provided with an internal groove (116), the top end of the screw body (12) is provided with a placing hole (121), and the placing hole (121) is aligned with the threaded hole B (114).

10. The fastener with the gasket anti-drop function according to claim 9, wherein: the two groups of the placing holes (121) are symmetrically distributed about the vertical central line of the screw body (12).