CN212779896U

CN212779896U - Limiting block assembly

Info

Publication number: CN212779896U
Application number: CN202021670671.6U
Authority: CN
Inventors: 张可; 周亮; 史海波
Original assignee: Jiangsu Hongsheng Nylon Co ltd
Current assignee: Jiangsu Hongsheng Nylon Co ltd
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2021-03-23
Anticipated expiration: 2030-08-12

Abstract

The utility model discloses a stopper component, which comprises an upper stopper and a lower stopper, wherein the inner side surface of the upper stopper is an arc surface, and the outer side of the upper stopper is a curved surface formed by connecting two arc surfaces with different curvature radiuses through the upper stopper plane; the upper limiting block is provided with an upper limiting block plane, a first slotted hole and a second slotted hole, and the first slotted hole and the second slotted hole are arranged on the same axis; the inner side surface of the lower limiting block is an arc surface, and the outer side of the lower limiting block is a curved surface formed by connecting two arc surfaces with different curvature radiuses through a lower limiting block plane; the lower limiting block comprises a lower limiting block plane, a third slotted hole and a fourth slotted hole, and the third slotted hole and the fourth slotted hole are arranged on the same axis. The PA6 material is selected to realize integral injection molding, so that the processing cost is reduced; meanwhile, numbers can be arranged on the injection mold, the whole injection molding is attractive and elegant, the code printing process in the later stage is omitted, and the production efficiency is improved.

Description

Limiting block assembly

Technical Field

The utility model relates to a spring detects technical field, concretely relates to stopper subassembly.

Background

The traditional limiting block assembly is generally made of MC nylon plates, and a machining center is used for machining and forming, so that the machining cost is high, and the material waste is serious; the limiting blocks are usually used in pairs in the using process, so that more problems of processing and the like are brought.

In the processing procedure of the limiting block, the limiting block is required to be coded except for appearance processing of the limiting block, so that the production efficiency is low, and irreversible damage to the limiting block is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems in the prior art and provide a limiting block component, which can realize integral injection molding by selecting PA6 material, thereby reducing the processing cost; meanwhile, numbers can be arranged on the injection mold, the whole injection molding is attractive and elegant, the code printing process in the later stage is omitted, and the production efficiency is improved.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a limiting block assembly comprises an upper limiting block and a lower limiting block, wherein the inner side surface of the upper limiting block is an arc surface, and the outer side of the upper limiting block is a curved surface formed by connecting two arc surfaces with different curvature radiuses through the plane of the upper limiting block; the upper limiting block is provided with an upper limiting block plane, a first slotted hole and a second slotted hole, and the first slotted hole and the second slotted hole are arranged on the same axis; the inner side surface of the lower limiting block is an arc surface, the outer side of the lower limiting block is a curved surface formed by connecting two arc surfaces with different curvature radiuses through a lower limiting block plane, and the outer side of the lower limiting block is also provided with a defect surface; the lower limiting block comprises a lower limiting block plane, a third slotted hole and a fourth slotted hole, and the third slotted hole and the fourth slotted hole are arranged on the same axis.

Preferably, the defect surface is formed by two planes, and the two planes are connected through a circular arc surface.

Preferably, the first slot and the second slot of the upper limiting block are disposed to be deviated to one side of the upper limiting block.

Preferably, the upper limiting block plane and the outer arc surface are both provided with arc surfaces connected, and the arc surfaces are tangent to the upper limiting block plane.

Preferably, the third slot and the fourth slot are symmetrical about a symmetry plane of the lower limiting block.

Preferably, the lower limiting block plane and the arc surface at the outer side are both provided with arc surfaces connected, and the arc surfaces are tangent to the lower limiting block plane.

Preferably, the upper limit block and the lower limit block are made of PA6 nylon plastic materials, and the Shore hardness of the upper limit block and the lower limit block is 61-66 HD.

Preferably, the upper and lower stoppers have a friction coefficient of 0.1 to 0.22 and are provided to be oil-free and self-lubricating.

The utility model discloses owing to adopted above-mentioned technical scheme, following beneficial effect has: the PA6 material is selected to realize integral injection molding, so that the processing cost is reduced; meanwhile, numbers can be arranged on the injection mold, the whole injection molding is attractive and elegant, a post code printing process is omitted, and the production efficiency is improved; the hardness of the structural material is high, the friction coefficient is low, and the resistance of the limiting block to the equipment is reduced.

Drawings

The accompanying drawings are included to provide a preferred understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a front view of the upper limiting block of the present invention;

fig. 2 is a left side view of the upper limiting block of the present invention;

fig. 3 is a sectional view of the upper limiting block of the present invention;

FIG. 4 is a front view of the lower stopper of the present invention;

fig. 5 is a left side view of the lower stopper of the present invention;

fig. 6 is a cross-sectional view of the lower limiting block of the present invention.

Reference numbers in the figures: an upper limiting block 100, an upper limiting block plane 101, a first slot 102, a second slot 103, a lower limiting block 200, a lower limiting block plane 201, a third slot 202, a fourth slot 203 and a defect plane 204.

Detailed Description

The following describes preferred embodiments of the present invention in detail with reference to the accompanying drawings.

As shown in the figure, the limiting block assembly comprises an upper limiting block 100 and a lower limiting block 200, wherein the inner side surface of the upper limiting block 100 is an arc surface, and the outer side of the upper limiting block 100 is a curved surface formed by connecting two arc surfaces with different curvature radiuses through an upper limiting block plane 101; the upper limiting block 100 is provided with an upper limiting block plane 101, a first slot 102 and a second slot 103, and the first slot 102 and the second slot 103 are arranged on the same axis; the inner side surface of the lower limiting block 200 is an arc surface, the outer side of the lower limiting block 200 is a curved surface formed by connecting two arc surfaces with different curvature radiuses through a lower limiting block plane 201, and the outer side of the lower limiting block 200 is also provided with a defect surface 204; the lower limiting block 200 comprises a lower limiting block plane 201, a third slot 202 and a fourth slot 203, wherein the third slot 202 and the fourth slot 203 are arranged on the same axis.

The defect surface 204 is formed by two flat surfaces connected by an arc surface. The first slot 102 and the second slot 103 on the upper limiting block 100 are biased to one side; the upper limiting block plane 101 and the arc surface on the outer side are both provided with arc surface connection, and the arc surface is tangent to the upper limiting block plane 101; the third slot 202 and the fourth slot 203 are both symmetrical about the plane of symmetry of the lower limiting block 200; the lower limiting block plane 201 and the arc surface on the outer side are both provided with arc surface connection, and the arc surfaces are tangent to the lower limiting block plane 201.

The whole body of the limiting block which is provided with the cambered surface at the joint of the upper limiting block plane 101, the lower limiting block plane 201 and the defect surface 204 is more attractive, and meanwhile, the injury of the limiting block to workers can be effectively avoided in the installation process.

The upper limiting block 100 and the lower limiting block 200 are made of PA6 nylon plastic materials, the Shore hardness is 61-66HD, and the Shore hardness is set in the range, so that the limiting blocks are suitable for most of equipment and have high applicability; meanwhile, the damage of the limiting block to the equipment can be avoided.

The friction coefficient of the upper limiting block 100 and the lower limiting block 200 is 0.1-0.22, and oil-free and self-lubricating; the stopper can be used for producing the place of friction in the use, sets up less coefficient of friction and can effectively reduce the friction, avoids leading to the stopper to produce the deformation because of the heat production of friction.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A stopper assembly comprising an upper stopper (100) and a lower stopper (200), characterized in that: the inner side surface of the upper limiting block (100) is an arc surface, and the outer side of the upper limiting block (100) is a curved surface formed by connecting two arc surfaces with different curvature radiuses through an upper limiting block plane (101); the upper limiting block (100) is provided with an upper limiting block plane (101), a first slotted hole (102) and a second slotted hole (103), and the first slotted hole (102) and the second slotted hole (103) are arranged on the same axis; the inner side surface of the lower limiting block (200) is an arc surface, the outer side of the lower limiting block (200) is a curved surface formed by connecting two arc surfaces with different curvature radiuses through a lower limiting block plane (201), and the outer side of the lower limiting block (200) is also provided with a defect surface (204); the lower limiting block (200) comprises a lower limiting block plane (201), a third slot (202) and a fourth slot (203), and the third slot (202) and the fourth slot (203) are arranged on the same axis.

2. A stopper assembly as defined in claim 1, wherein: the defect surface (204) is composed of two planes which are connected through an arc surface.

3. A stopper assembly as defined in claim 1, wherein: the arrangement of the first slot (102) and the second slot (103) on the upper limiting block (100) is deviated to one side of the upper limiting block (100).

4. A stopper assembly as defined in claim 1, wherein: the upper limiting block plane (101) is connected with the arc surface on the outer side through arc surfaces, and the arc surfaces are tangent to the upper limiting block plane (101).

5. A stopper assembly as defined in claim 1, wherein: the third slot (202) and the fourth slot (203) are each symmetrical with respect to a plane of symmetry of the lower limiting block (200).

6. A stopper assembly as defined in claim 1, wherein: the lower limiting block plane (201) is connected with the arc surface on the outer side through arc surfaces, and the arc surfaces are tangent to the lower limiting block plane (201).

7. A stopper assembly as defined in claim 1, wherein: the upper limiting block (100) and the lower limiting block (200) are made of PA6 nylon plastic materials, and the Shore hardness of the upper limiting block and the lower limiting block is 61-66 HD.

8. A stopper assembly as defined in claim 1, wherein: the upper limiting block (100) and the lower limiting block (200) have a friction coefficient of 0.1-0.22 and are provided to be oil-free and self-lubricating.