CN219623562U - Level meter adjusting screw - Google Patents

Abstract

The utility model discloses a level adjusting screw, which comprises a metal screw body and a plastic handle, wherein the metal screw body comprises a stud part and a polish rod part, the plastic handle is provided with a bobbin sleeved on the polish rod part, the inner wall of the bobbin is provided with a convex ring close to a pipe orifice, the polish rod part is provided with a groove for embedding the convex ring, one end of the convex ring close to the pipe orifice is provided with a first guide part, the bobbin is provided with a plurality of deformation grooves extending inwards from the end face of the convex ring, the deformation grooves are distributed in an annular array at equal intervals around the axis of the bobbin, the inner wall of the bobbin is provided with torsion blocks far away from the pipe orifice, the torsion blocks extend along the axial direction of the bobbin, and the polish rod part is provided with slots for embedding the torsion blocks along the axial direction. The adjusting screw has the characteristics of high production efficiency and low manufacturing cost, and has perfect overall functions and strong practicability.

Description

Level meter adjusting screw

Technical Field

The utility model relates to the technical field of measuring instruments, in particular to a level adjusting screw.

Background

One end of an adjusting screw on the adjustable level is provided with a knob for conveniently rotating the adjusting screw to realize the position adjusting function of the level. The traditional knob and adjusting screw are of an integrated structure, so that the diameter of the round bar selected for use is large during turning, turning material is more in loss, mass production economy is not high, and the overall effect is not good. Accordingly, the utility model provides a level adjusting screw.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provide the leveling instrument adjusting screw rod which has the characteristics of high production efficiency and low manufacturing cost.

In order to solve the technical problems, the aim of the utility model is realized as follows: the utility model relates to a leveling instrument adjusting screw rod, which comprises a metal screw rod main body and a plastic handle, wherein the metal screw rod main body comprises a stud part and a polish rod part, a bobbin sleeved on the polish rod part is arranged on the plastic handle, a convex ring close to a pipe orifice is arranged on the inner wall of the bobbin, a groove for embedding the convex ring is arranged on the polish rod part, a first guide part is arranged at one end of the convex ring close to the pipe orifice, a plurality of deformation grooves extending inwards from the end face of the bobbin are arranged on the bobbin, the deformation grooves are distributed in an annular array at equal intervals around the axis of the bobbin, torsion blocks far away from the pipe orifice are arranged on the inner wall of the bobbin, the torsion blocks extend along the axial direction of the bobbin, and slots for embedding the torsion blocks along the axial direction are arranged on the polish rod part.

The utility model is further provided with: a flexible cushion block with one end propping against the polish rod part and the other end propping against the plastic handle is arranged between the polish rod part and the plastic handle, and the flexible cushion block is arranged in the bobbin.

The utility model is further provided with: and one end of the polish rod part facing the plastic handle is provided with a second guiding part.

The utility model is further provided with: the torsion blocks are distributed in annular arrays at equal intervals around the axis of the bobbin.

The utility model is further provided with: the bobbin is provided with stress relief holes which are matched with the deformation grooves one by one, the stress relief holes are formed in one end of the deformation grooves, which is opposite to the notch, and the stress relief holes are communicated with the deformation grooves.

In summary, the utility model has the following beneficial effects:

1. the handle part with a slightly larger diameter is formed by using an injection molding process, so that the diameter of the selected raw materials of the metal screw body of the part needing machining is reduced, the machining loss materials are fewer, and the economy is higher;

2. the handle is made of plastic, is suitable for being manufactured by an injection molding process, and is suitable for mass production;

3. the handle adopts the fast-assembling structure to realize being connected between metal screw rod main part, convenient assembling.

Drawings

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

fig. 2 is a schematic diagram of another view of the present utility model.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that these descriptions are only for further illustrating the features and advantages of the present utility model, and are not limiting the patent claims 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.

The utility model will be further described with reference to the drawings and preferred embodiments.

Example 1

Referring to fig. 1 and 2, the leveling device adjusting screw according to this embodiment includes a metal screw body 100 and a plastic handle 200, where the metal screw body 100 includes a stud portion (not shown in the figure) and a polish rod portion 1, the plastic handle 200 is provided with a barrel 2 sleeved on the polish rod portion, a convex ring 3 near a pipe opening is provided on an inner wall of the barrel 2, the polish rod portion 1 is provided with a groove 4 for embedding the convex ring, one end of the convex ring 3 near the pipe opening is provided with a first guiding portion 5, the barrel 2 is provided with a plurality of deformation grooves 6 extending inwards from an end surface thereof, the deformation grooves 6 are distributed in an annular array with equal interval angles around an axis of the barrel 2, a torsion block 7 far away from the pipe opening is provided on an inner wall of the barrel 2, the torsion block 7 extends along an axial direction of the barrel 2, and the polish rod portion 1 is provided with a slot 8 for embedding the torsion block 7 along the axial direction.

Further, the end of the polish rod part 1 facing the plastic handle 200 is provided with a second guiding part 10.

Further, the torsion blocks 7 are distributed in an annular array with equal interval angles around the axis of the bobbin 2.

In the embodiment, the convex ring 3 is matched with the groove 4 to serve as an axial limiting function after the plastic handle 200 is installed; the convex ring 3 is conveniently embedded into the groove 4 through the arrangement of the first guide part 5, so that the guide function during the insertion is realized; through the arrangement of the deformation grooves 6, a deformation structure for the convex ring 3 to expand outwards is formed between the adjacent deformation grooves 6, so that the convex ring 3 is convenient to install; the torsion block 7 is matched with the slot 8 to serve as a circumferential limiting function after the plastic handle 200 is installed.

Wherein, through the addding of second guiding portion 10, be used as to polished rod portion 1 installation guide effect, make things convenient for polished rod portion 1 quick cartridge to bobbin 2.

Wherein, through making equidistant angular annular array distribution around the axis of bobbin 2 with turning round piece 7, not only make the plastics handle 200 atress in rotation balanced, have promoted the torsional strength of plastics handle 200.

Example 2

Referring to fig. 1 and 2, a leveling screw according to this embodiment is further provided, on the basis of embodiment 1, that a flexible pad 9 with one end abutting against the polish rod portion 1 and the other end abutting against the plastic handle 200 is provided between the polish rod portion 1 and the plastic handle 200, and the flexible pad 9 is provided in the barrel 2.

Furthermore, positioning grooves (not marked in the figure) for partially embedding the flexible cushion blocks 9 are respectively arranged on the polish rod part 1 and the plastic handle 200.

In the embodiment, the installation clearance between the polish rod part 1 and the plastic handle 200 is compensated by adding the flexible cushion block 9, so that the assembly is tighter and not loosened.

Example 3

Referring to fig. 1 and 2, the level adjusting screw according to this embodiment is further configured, based on embodiments 1 and 2, to provide stress relief holes 11 that are matched with the deformation grooves one by one on the bobbin 2, where the stress relief holes 11 are provided at one end of the deformation grooves opposite to the notch, and the stress relief holes 11 are communicated with the deformation grooves 6.

In this embodiment, the bottom of the deformation groove 6 is formed into an arc transition structure by the opening of the stress relief hole 11, so that stress concentration is avoided and the bobbin 2 is prevented from being damaged when the convex ring 3 is deformed.

According to the level adjusting screw, the handle part with a slightly larger diameter is manufactured by using an injection molding process, so that the diameter of a metal screw main body of a part needing machining is reduced, the machining loss materials are fewer, and the economy is higher; the handle is made of plastic, is suitable for being manufactured by an injection molding process, and is suitable for mass production; and the handle adopts the fast-assembling structure to realize being connected between metal screw rod main part, convenient assembling, and whole function is perfect, and the practicality is strong.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional or positional relation is based on the actually shown positional or positional relation, it is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional or positional relation in the present utility model are merely for exemplary illustration and are not to be construed as limitations of the present patent, and it is possible for those skilled in the art to combine the embodiments and understand the specific meaning of the above terms according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing describes in detail preferred embodiments of the present utility model. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the utility model by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (5)

1. The utility model provides a spirit level adjusting screw, includes metal screw rod main part and plastic handle, its characterized in that: the metal screw rod main part includes double-screw bolt portion and polished rod portion, be equipped with the bobbin of suit on polished rod portion on the plastic handle, be equipped with the bulge loop that is close to the mouth of pipe on the inner wall of bobbin, be equipped with the recess that supplies the bulge loop embedding on the polished rod portion, the bulge loop is close to the mouth of pipe one end and has first guiding portion, be equipped with the multichannel from the deformation groove of its terminal surface inwards extension on the bobbin, deformation groove winds the axis of bobbin is equidistant angle annular array distribution, be equipped with on the inner wall of bobbin and keep away from the mouth of pipe and turn round the piece and follow the axial of bobbin is done and is extended, be equipped with on the polished rod portion and supply to turn round the piece along the slot of axial embedding.

2. The level adjustment screw of claim 1, wherein: a flexible cushion block with one end propping against the polish rod part and the other end propping against the plastic handle is arranged between the polish rod part and the plastic handle, and the flexible cushion block is arranged in the bobbin.

3. The level adjustment screw according to claim 1 or 2, characterized in that: and one end of the polish rod part facing the plastic handle is provided with a second guiding part.

4. A level adjustment screw according to claim 3, wherein: the torsion blocks are distributed in annular arrays at equal intervals around the axis of the bobbin.

5. The level adjustment screw of claim 1, wherein: the bobbin is provided with stress relief holes which are matched with the deformation grooves one by one, the stress relief holes are formed in one end of the deformation grooves, which is opposite to the notch, and the stress relief holes are communicated with the deformation grooves.