CN214054395U

CN214054395U - But quick assembly disassembly's no clamp mark bolt type anchor clamps

Info

Publication number: CN214054395U
Application number: CN202023048742.1U
Authority: CN
Inventors: 王皓
Original assignee: Wuxi Jishengyuan Technology Co ltd
Current assignee: Wuxi Jishengyuan Technology Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-27
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a clamp mark-free bolt type clamp capable of being quickly disassembled and assembled, which relates to the technical field of clamp equipment and comprises a hollow barrel, wherein the hollow barrel comprises a retaining barrel part positioned at the upper part and a deformation barrel part positioned at the lower part, the deformation barrel part consists of a plurality of mounting bars extending out of the bottom of the retaining barrel part, the mounting bars are sequentially and uniformly distributed around the central line direction of the hollow barrel, the clamping bars can be elastically folded and elastically unfolded along with the mounting bars, and the bottom of the deformation barrel part is connected with a detachable clamping part; the clamping part comprises a plurality of clamping strips, the clamping strips are respectively clamped at the bottoms of different mounting strips, the clamping strips surround to form a clamping channel, and the clamping strips can be elastically folded and unfolded so as to change the size of the clamping channel; and an engineering plastic layer is arranged on the inner wall of the clamping strip. The utility model has the advantages of wide application range, no clamping mark clamping and high clamping reliability.

Description

But quick assembly disassembly's no clamp mark bolt type anchor clamps

Technical Field

The utility model relates to an anchor clamps equipment technical field, concretely relates to but quick assembly disassembly's no clamp mark bolt type anchor clamps.

Background

The fixture is also called a jig, and in a broad sense, any process in the process is called a jig as a device for quickly, conveniently and safely mounting a workpiece. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. The clamp has various shapes, wherein the clamp for clamping the shaft parts is generally cylindrical and is called a disc-shaped clamp, the part of the disc-shaped clamp for directly contacting the surfaces of the shaft parts is called a bolt-shaped clamp, the existing bolt-shaped clamp is inconvenient to disassemble and assemble, the application range of a single size is small, and deep clamping marks are easily left on the surfaces of the machined parts after clamping.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model provides a but quick assembly disassembly's no clamp mark bolt type anchor clamps improves the centre gripping reliability, has improved the application scope of single hollow cylinder, reduces the centre gripping cost, realizes no clamp mark centre gripping operation simultaneously, further improves the centre gripping effect.

A quick-detachable traceless bolt-type clamp comprises a hollow cylinder body, wherein the hollow cylinder body comprises a retaining cylinder part positioned at the upper part and a deformation cylinder part positioned at the lower part, the deformation cylinder part consists of a plurality of mounting strips extending out of the bottom of the retaining cylinder part, the mounting strips are sequentially and uniformly distributed around the central line direction of the hollow cylinder body, the mounting strips can be elastically folded and elastically unfolded, and the bottom of the deformation cylinder part is connected with a detachable clamping part; the clamping part comprises a plurality of clamping strips, the clamping strips are respectively clamped at the bottoms of different mounting strips, a clamping channel is formed by the surrounding of the clamping strips, and the clamping strips can elastically draw in and elastically stretch out along with the mounting strips, so that the size of the clamping channel is changed; and an engineering plastic layer is arranged on the inner wall of the clamping strip.

Specifically, the outer wall of the clamping strip is obliquely arranged, and the oblique direction of the clamping strip is the direction from top to bottom towards the central line of the hollow cylinder. The slope of centre gripping strip outer wall sets up, can make things convenient for whole centre gripping strip to take off from the mounting bar.

Specifically, the outer wall of the clamping strip is provided with an anti-abrasion layer. The anti-abrasion layer can further facilitate a user to take down the clamping strip from the mounting strip.

Specifically, the thickness range of the engineering plastic layer is 3 mm-20 mm. The engineering plastic layer needs to be thick enough to avoid the clamping mark generated when the whole clamp clamps the workpiece.

Specifically, the outer diameter dimension of the clamping passage is larger than the inner diameter dimension of the deformation cylinder. Generally, the clamping portion is mounted only when the deformed cylinder portion needs to clamp an oversized part, and therefore the outer diameter of the clamping passage needs to be larger than the inner diameter of the whole deformed cylinder portion.

Specifically, a reinforcing structure is arranged at the joint of the mounting bar and the bottom of the retainer cylinder part. The reinforcing structure can further improve the structural strength between the mounting bar and the retainer cylinder portion.

The beneficial effects of the utility model are embodied in:

in the utility model, on the deformation cylinder body, because a certain gap exists between the adjacent mounting bars, when the external clamping device has inward clamping force, the deformation cylinder body can be elastically folded by means of elastic deformation of the mounting bars, when the size of the internal clamped assembly is larger, the deformation cylinder body can be elastically unfolded by means of elastic deformation of the mounting bars, importantly, the bottom of the deformation cylinder body is connected with a detachable clamping part, the whole clamping part can prolong the clamping operation area of the hollow cylinder body, so that the clamping reliability is improved, more importantly, the size of the clamping bar on the clamping part can be selected by means of requirements, so that the clamping part with required size is arranged at the bottom of the hollow cylinder body, the capacity that one hollow cylinder body has a plurality of clamping operation ranges is realized, the application range of a single hollow cylinder body is greatly improved, and the clamping cost is reduced, meanwhile, the inner wall of the clamping strip is provided with the engineering plastic layer, the engineering plastic layer is in contact with the surface of the part to be clamped, and clamping operation without clamping marks is realized by depending on the plasticity of the engineering plastic, so that the clamping effect is further improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a perspective view of the present invention;

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

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

Reference numerals:

1-hollow cylinder, 11-retaining cylinder, 12-deformation cylinder, 121-mounting bar, 1211-reinforcing structure, 2-clamping part, 21-clamping bar, 211-anti-abrasion layer, 22-clamping channel and 23-engineering plastic layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, a quick-detachable plug-type clamp without clamping marks comprises a hollow cylinder 1, wherein the hollow cylinder 1 comprises a holding cylinder part 11 positioned at the upper part and a deformation cylinder part 12 positioned at the lower part, the deformation cylinder part 12 consists of a plurality of mounting bars 121 extending out of the bottom of the holding cylinder part 11, the mounting bars 121 are sequentially and uniformly distributed around the central line direction of the hollow cylinder 1, the mounting bars 121 can be elastically folded and elastically unfolded, and the bottom of the deformation cylinder part 12 is connected with a detachable clamping part 2; the clamping part 2 comprises a plurality of clamping strips 21, the clamping strips 21 are respectively clamped at the bottoms of different mounting strips 121, the clamping channels 22 are formed by the surrounding of the clamping strips 21, and the clamping strips 21 can elastically contract and elastically expand along with the mounting strips 121, so that the sizes of the clamping channels 22 are changed; the inner wall of the clamping strip 21 is provided with an engineering plastic layer 23.

In this embodiment, it should be noted that, on the deformation cylinder, because there is a certain gap between adjacent mounting bars 121, when the external clamping device has an inward clamping force, the deformation cylinder can be elastically folded by means of elastic deformation of the mounting bars 121, and when the internal clamped component is larger in size, the deformation cylinder can be elastically unfolded by means of elastic deformation of the mounting bars 121, and importantly, the detachable clamping part 2 is connected to the bottom of the deformation cylinder 12, and the whole clamping part 2 can extend the clamping operation area of the hollow cylinder 1, thereby improving the clamping reliability, more importantly, the size of the clamping bar 21 on the clamping part 2 can be selected by means of requirement, so that the clamping part 2 with required size is mounted on the bottom of the hollow cylinder 1, thereby realizing the capability that one hollow cylinder 1 has multiple clamping operation ranges, and greatly improving the application range of a single hollow cylinder 1, reduce the centre gripping cost, simultaneously, because the centre gripping strip 21 inner wall has set up engineering plastic layer 23, engineering plastic layer 23 and the surperficial mutual contact of part by the centre gripping rely on the plasticity of engineering plastic itself, realize no double-layered trace centre gripping operation, further improve the centre gripping effect.

Specifically, the outer wall of the clamping strip 21 is inclined, and the inclination direction is the direction from top to bottom towards the central line far away from the hollow cylinder 1.

In the present embodiment, the outer wall of the holding bar 21 is inclined, so that the entire holding bar 21 can be easily removed from the mounting bar 121.

Specifically, the outer wall of the clamping strip 21 is provided with a wear-proof layer 211.

In this embodiment, it should be noted that the wear-resistant layer 211 can further facilitate the user to remove the clamping bar 21 from the mounting bar 121.

Specifically, the thickness of the engineering plastic layer 23 ranges from 3mm to 20 mm.

In the present embodiment, the engineering plastic layer 23 needs to be thick enough to avoid the occurrence of clamp marks when the entire clamp clamps a workpiece.

Specifically, the outer diameter dimension of the clamp passage 22 is larger than the inner diameter dimension of the deformed cylinder portion 12.

In the present embodiment, it should be noted that, in general, the clamping portion 2 is attached to the deformable tube portion 12 by clamping an excessively large component, and therefore, the outer diameter of the clamping passage 22 needs to be larger than the inner diameter of the entire deformable tube portion 12.

Specifically, a reinforcing structure 1211 is provided at the junction of the mounting bar 121 and the bottom of the retainer tube portion 11.

In the present embodiment, the reinforcing structure 1211 can further improve the structural strength between the mounting bar 121 and the retainer tube portion 11.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.

Claims

1. A quick-detachable traceless bolt-type clamp is characterized by comprising a hollow cylinder body, wherein the hollow cylinder body comprises a retaining cylinder part positioned at the upper part and a deformation cylinder part positioned at the lower part, the deformation cylinder part consists of a plurality of mounting strips extending out of the bottom of the retaining cylinder part, the mounting strips are sequentially and uniformly distributed around the central line direction of the hollow cylinder body, the mounting strips can be elastically folded and unfolded, and the bottom of the deformation cylinder part is connected with a detachable clamping part; wherein the content of the first and second substances,

the clamping part comprises a plurality of clamping strips, the clamping strips are respectively clamped at the bottoms of different mounting strips, a clamping channel is formed by the surrounding of the clamping strips, and the clamping strips can elastically draw in and elastically stretch out along with the mounting strips, so that the size of the clamping channel is changed;

and an engineering plastic layer is arranged on the inner wall of the clamping strip.

2. The clamp of claim 1, wherein the outer wall of the clamping strip is inclined from top to bottom in a direction away from the center line of the hollow cylinder.

3. The clamp of claim 2, wherein the outer wall of the clamping strip is provided with a wear layer.

4. The clamp of any one of claims 1 to 3, wherein the engineering plastic layer has a thickness in the range of 3mm to 20 mm.

5. The quick-release traceless bolt-type clamp according to any one of claims 1 to 3, wherein the outer diameter dimension of the clamping passage is larger than the inner diameter dimension of the deformed cylinder portion.

6. The clamp of any one of claims 1 to 3, wherein a reinforcing structure is provided at the junction of the mounting bar and the bottom of the retainer cylinder.