CN216382110U

CN216382110U - Novel positioning bead

Info

Publication number: CN216382110U
Application number: CN202122593740.9U
Authority: CN
Inventors: 陈威世
Original assignee: Guangzhou Shang Tuo Metal Products Co ltd
Current assignee: Guangzhou Shang Tuo Metal Products Co ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-04-26
Anticipated expiration: 2031-10-27

Abstract

The utility model discloses a novel positioning ball, which comprises a shell, wherein a limiting column is arranged at the top of the shell, a groove is arranged at the bottom of the limiting column, a spring is arranged on the limiting column through the groove, a moving plate is fixedly connected with the bottom of the spring, a fixed plate is rotatably connected with the bottom of the shell, a lead screw is fixedly connected with the top of the fixed plate, the top of the lead screw penetrates through the bottom of the shell and extends into the shell, an outer sleeve is arranged on the surface of the lead screw and positioned in the shell, and the top of the outer sleeve is fixedly connected with the moving plate. The traditional ball plunger cannot meet the use requirement.

Description

Novel positioning bead

Technical Field

The utility model relates to the technical field of positioning beads, in particular to a novel positioning bead.

Background

The ball plunger is also called spring plunger, or positioning ball/column, it is a product which is equipped with spring in the interior of screw thread, and makes the internal ball and pin set with prepressing force, and can be used for up-and-down stroke movement, and is applicable to mechanical device, clamping tool, mould and automatic machine, etc.

However, the conventional positioning beads have some disadvantages in the using process, such as:

common bulb plunger comprises plunger main part, bulb and spring in the existing market, and the size of spring force can't be adjusted, leads to the application range of spring force also to be fixed, and in some occasions that the load is uncertain, need adjust the load, traditional location pearl can't satisfy the operation requirement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel positioning bead to solve the problems that the use range of the spring elasticity is fixed due to the fact that the size of the spring elasticity cannot be adjusted, and the traditional positioning bead cannot meet the use requirement on occasions where loads are uncertain and the loads need to be adjusted.

In order to achieve the purpose, the utility model provides the following technical scheme: the novel portable screw driver comprises a housin, the casing top is provided with spacing post, spacing bottom of the post portion is provided with the recess, spacing post is provided with the spring through the recess, spring bottom fixedly connected with movable plate, the bottom of casing is rotated and is connected with the fixed disk, the top fixedly connected with lead screw of fixed disk, the top of lead screw runs through the bottom of casing and extends to the inside of casing, the surface of lead screw and the inside that is located the casing are provided with the outer sleeve, the top and the movable plate fixed connection of outer sleeve.

The top section of the limiting column is of a hemispherical structure, and the limiting column is made of stainless steel materials.

The bottom of the shell is provided with a placing groove matched with the fixed disc, and the bottom end face of the fixed disc is flush with the bottom end face of the shell.

Wherein, a straight groove is arranged at the bottom of the fixed disc.

The top of the screw rod is fixedly connected with a limiting disc, and the diameter of the limiting disc is larger than that of the screw rod.

The movable plate is connected with the inside of the shell in a sliding mode, and the movable plate is of a disc-shaped structure.

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

the fixed disk can rotate, make the fixed disk drive the lead screw and rotate, the lead screw drives the outer sleeve and removes, make the outer sleeve drive the movable plate and remove, the movable plate can extrude the spring, thereby adjusting spring's length, thereby adjusting spring's elasticity, make the load application scope of this location pearl further obtain the extension, can make this location pearl can adapt to the load of different scopes, the recess is seted up to the bottom of spacing post, be convenient for insert the inside of casing with spacing post, the requirement of trompil tolerance at casing top is relaxed, when spacing post moves extrusion spring downwards, freely open behind the spring atress, the locking force is bigger.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a bottom view of the housing of the present invention.

In the figure: 1. a housing; 2. moving the plate; 3. fixing the disc; 4. a limiting column; 5. a groove; 6. a spring; 7. an outer sleeve; 8. a screw rod; 9. and (4) a threaded sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the positioning ball comprises a shell 1, the shell 1 is made of 304 stainless steel materials, a limiting column 4 is movably inserted at the top of the shell 1, a groove 5 is arranged on the circumferential surface of the limiting column 4 and close to one side of the bottom, a spring 6 is wound on the limiting column 4 through the groove 5, a moving plate 2 is fixedly welded at the bottom of the spring 6, a fixed plate 3 is rotatably connected at the middle position of the bottom of the shell 1, a lead screw 8 is fixedly connected at the top of the fixed plate 3, the fixed plate 3 and the lead screw 8 are of an integrally formed structure, the connection strength of the fixed plate 3 and the lead screw 8 is improved, so that the service life of the positioning ball is ensured, the top of the lead screw 8 penetrates through the bottom of the shell 1 and extends to the inside of the shell 1, an outer sleeve 7 is sleeved on the surface of the lead screw 8 and positioned on the inner thread of the shell 1, and the outer sleeve 7 can be driven by a thread groove at the bottom of the outer sleeve 7 to move in the vertical direction during the rotation process of the lead screw 8, the top of outer sleeve 7 and the bottom of movable plate 2 are fixed welding between two parties, can rotate fixed disk 3 for fixed disk 3 drives lead screw 8 and rotates, and lead screw 8 drives outer sleeve 7 and removes, makes outer sleeve 7 drive movable plate 2 and removes, and movable plate 2 can extrude spring 6, thereby adjust the length of spring 6, thereby adjust spring 6's elasticity, makes the load application scope of this location pearl further obtain the extension.

Wherein, the top cross-section of spacing post 4 is half spherical structure, and spacing post 4 adopts stainless steel material to make, is convenient for the work piece extrusion spacing post 4 at the in-process that removes.

Wherein, the standing groove with 3 looks adaptations of fixed disk is seted up to 1 bottom of casing, and 3 bottom end faces of fixed disk are parallel and level with 1 bottom end face of casing, are convenient for install casing 1 with other objects.

Wherein, a straight line groove has been seted up to fixed disk 3 bottom, can insert in the straight line groove through a word screwdriver of being convenient for to rotate fixed disk 3, thereby the length of adjusting spring 6.

Wherein, the top of the screw rod 8 is fixedly connected with a limit disc, the diameter of the limit disc is larger than that of the screw rod 8, and the problem that the screw rod 8 is separated from the outer sleeve 7 in the rotating process can be avoided through the limit disc.

The moving plate 2 is connected with the inside of the shell 1 in a sliding mode, the moving plate 2 is of a disc-shaped structure, and a series of problems caused by deviation of the moving plate 2 in the moving process are avoided.

The working principle is as follows: during the use, can rotate fixed disk 3, make fixed disk 3 drive lead screw 8 and rotate, lead screw 8 drives outer sleeve 7 and removes, make outer sleeve 7 drive movable plate 2 and remove, movable plate 2 can extrude spring 6, thereby adjust spring 6's length, thereby adjust spring 6's elasticity, make this location pearl load application scope further obtain the extension, can make this location pearl can adapt to the load of different scopes, recess 5 is seted up to the bottom of spacing post 4, be convenient for insert the inside of casing 1 with spacing post 4, require to widen the trompil tolerance at casing 1 top, when spacing post 4 removes extrusion spring 6 downwards, freely open after the spring 6 atress, locking force is bigger.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel positioning bead comprises a shell (1), and is characterized in that: casing (1) top is provided with spacing post (4), spacing post (4) bottom is provided with recess (5), spacing post (4) are provided with spring (6) through recess (5), spring (6) bottom fixedly connected with movable plate (2), the bottom of casing (1) is rotated and is connected with fixed disk (3), the top fixedly connected with lead screw (8) of fixed disk (3), the top of lead screw (8) is run through the bottom of casing (1) and is extended to the inside of casing (1), the surface of lead screw (8) is provided with outer sleeve (7) and the inside that is located casing (1), the top and movable plate (2) fixed connection of outer sleeve (7).

2. The novel positioning bead as claimed in claim 1, wherein: the top section of the limiting column (4) is of a hemispherical structure, and the limiting column (4) is made of stainless steel materials.

3. The novel positioning bead as claimed in claim 1, wherein: the bottom of the shell (1) is provided with a placing groove matched with the fixed disk (3), and the bottom end face of the fixed disk (3) is flush with the bottom end face of the shell (1).

4. The novel positioning bead as claimed in claim 1, wherein: the bottom of the fixed disc (3) is provided with a straight groove.

5. The novel positioning bead as claimed in claim 1, wherein: the top of the screw rod (8) is fixedly connected with a limiting disc, and the diameter of the limiting disc is larger than that of the screw rod (8).

6. The novel positioning bead as claimed in claim 1, wherein: the movable plate (2) is connected with the inside of the shell (1) in a sliding mode, and the movable plate (2) is of a disc-shaped structure.