CN202284588U

CN202284588U - Plastic piece clamp

Info

Publication number: CN202284588U
Application number: CN2011204115580U
Authority: CN
Inventors: 周柏宇; 郑宪隆; 谢荣凌; 王友颖
Original assignee: Sanyang Industry Co Ltd
Current assignee: Sanyang Industry Co Ltd
Priority date: 2011-10-25
Filing date: 2011-10-25
Publication date: 2012-06-27
Anticipated expiration: 2021-10-25

Abstract

The utility model relates to a plastic piece clamp. The plastic piece clamp is characterized by comprising a first plate part, a second plate part and a flexible connecting part, wherein the first plate part and the second plate part are respectively extended from the two opposite ends of the flexible connecting part, so that the plastic piece clamp is U-shaped; the first plate part comprises a first outward surface, a first inward surface and a first through hole; the second plate part comprises a second outward surface, a second inward surface and a second through hole; the first inward surface is opposite to the second inward surface; the first outward surface is protruded with a first flange, the second outward surface is protruded with a second flange, and the second flange is provided with an inner thread; and the first through hole is respectively opened in the first inward surface and the first flange, the second through hole is respectively opened in the second inward surface and the second flange, and the first through hole corresponds to the second through hole. Therefore, a plastic piece is deformed due to locking stress in the thickness direction, and a bolt is directly in contact with a plate, so that the bolt is prevented from loosening.

Description

The working of plastics anchor clamps

Technical field

The utility model relates to a kind of anchor clamps, refers to that especially a kind of being applicable to links the fixedly working of plastics anchor clamps anchor clamps of two plastic parts.

Background technique

With reference to figure 1～2, be respectively convention working of plastics anchor clamps stereogram, the preceding side view of clamps two plastic parts.Be used to link the fixedly clamp structure of two plastic parts for a kind of convention shown in the figure, mainly comprise one first board 91, one second board 92 and a flexible joint 93.Flexible joint 93 connects first board 91 and second board 92 and whole formation one U type structure.Projection to the outside at second board 92 has the flange 94 with internal thread 941.

First board 91 has provided a through hole 911.It is corresponding with the through hole 911 of first board 91, just roughly coaxial that second board 92 provides a through hole 921 equally, and the through hole 921 of second board 92 is opened on respectively to inner face and flange 94 surfaces.

Desire linked fixedly two plastic parts at 95,96 o'clock, and the U type space of earlier a working of plastics 95 being inserted anchor clamps is between two

boards

91,92, and another working of plastics 96 is placed on first board 91 to the outside.Then pass working of plastics 96, through hole 911, working of plastics 95 and through hole 921 in regular turn with a bolt 97 again, lock the internal thread 941 of flange 94 by bolt 97 and reach the purpose of two

plastic parts

95,96 overall fixed, shown in Fig. 3 A.

The convention clamp structure has a problem; Promptly when bolt 97 locks; The board of anchor clamps can produce bending deflection; Link fixing working of plastics 96 and after after a while, also can cause less thick (shown in Fig. 3 B) because of the influence that locks strength, above-mentioned two phenomenons all cause bolt 97 to get loose easily, and the binding of element is variation fixedly.

The model utility content

The main purpose of the utility model is that a kind of working of plastics anchor clamps are being provided, can avoid causing bolt to get loose because of working of plastics and jig plate body deformability.

For reaching above-mentioned purpose, the working of plastics anchor clamps of the utility model comprise one first board, one second board and a flexible joint.Aforementioned first board and second board extend from flexible joint opposite end respectively, make the working of plastics anchor clamps be the U type.

First board includes one first to the outside, one first to inner face and one first through hole, second board includes one second to the outside, one second to inner face and one second through hole.First of first board is to face each other to second of the inner face and second board to inner face.

First projection to the outside of first board has one first flange, likewise, second board second to the outside also projection one second flange is arranged.First through hole of first board is opened on first respectively to the inner face and first flange, and second through hole of second board is opened on second respectively to the inner face and second flange, and first through hole is corresponding second through hole.Second flange has an internal thread, and externally threaded spiral lock of sacrificial vessel such as bolt pass above-mentioned two through hole and lock.

First board can more include a bending branch, is towards second board bending, and by this when a working of plastics is inserted two boards centre, bending branch provides more certain clamping strength.First of first board is made into uneven aspect to second of the inner face and second board to inner face provides the working of plastics one of inserting to clamp strength too, makes it more firm.

Second board can more include a terminal inclined-plane, and it tilts away from first board, and when carrying out a working of plastics when inserting the action in the middle of two boards, the inclined-plane provides a guidance function by this.

Second flange can be a bulk-breaking that is independent of second board, for example a WELD NUTS.Perhaps, second flange can be and the integrated single-piece of second board.

The through hole of first board can be various geometrical shapies, for example circular hole.

The utility model has the advantages that by said structure design, after two plastic parts had placed the anchor clamps location and locked, working of plastics thickness was because of stress deformation, bolt can directly contact with plate, so can avoid bolt like the convention phenomenon that gets loose.

Description of drawings

Fig. 1 is convention working of plastics anchor clamps stereograms.

Fig. 2 is the side view before the convention working of plastics clamps two plastic parts.

Fig. 3 A is a convention working of plastics clamps two plastic parts, the still undeformed sectional view of working of plastics.

Fig. 3 B is a convention working of plastics clamps two plastic parts, the sectional view of working of plastics distortion.

Fig. 4 is the working of plastics anchor clamps stereogram of the utility model first preferred embodiment.

Fig. 5 is the preceding side view of working of plastics clamps two plastic parts of the utility model first preferred embodiment.

Fig. 6 is the working of plastics clamps two plastic parts of first preferred embodiment, the still undeformed sectional view of working of plastics.

Fig. 7 is the working of plastics clamps two plastic parts of first preferred embodiment, the sectional view of working of plastics distortion.

Fig. 8 is the working of plastics chuck side view of the utility model second preferred embodiment.

The primary component symbol description

First board, 91 through holes 911,921

Second board, 92 flexible joints 93

Flange 94 internal threads 941

Working of

plastics

95,96 bolts 97

First board

11,30 first to the outside 110

First to inner face 111 bending branches 112

Second board

12,31 second to the outside 120

Second to inner face 121 terminal inclined-planes 122

Flexible joint

13,32 first flanges 14,301

First through hole, 141 second flanges 15,311

Second through hole, 151 internal threads 152,312

Working of

plastics

20,21 perforates 200,210

Bolt 22 grasping part S

Embodiment

With reference to figure 4 and Fig. 5, be the working of plastics anchor clamps stereogram of the utility model first preferred embodiment and the side view before the clamps two plastic parts.The working of plastics clamp structure of the utility model comprises one first board 11, one second board 12 and a flexible joint 13; Wherein first board 11 and second board 12 extend from flexible joint 13 opposite end respectively; Three's overall structure slightly is the U type, and defines a grasping part S.

Aforementioned first board 11 includes one first to the outside 110 and 1 first to inner face 111; Second board 12 includes one second to the outside 120 and 1 second to inner face 121, and first board 11 first is in opposite directions to second of the inner face 111 and second board 12 to inner face 121.

First 110 projections to the outside of first board 11 have one first flange 14.First board 11 also provided one first through hole 141 respectively openings on first flange, 14 surfaces and first to inner face 111.

Similarly, second of second board 12 120 projections to the outside have one second flange 15.Second board 12 has also provided one second through hole 151, and respectively to inner face 121, and first through hole 141 of first board 11 is corresponding to second through hole 151 of second board 12 on second flange, 15 surfaces and second for opening.Second through hole 151 has an internal thread 152 in the part of second flange 15, can be distributed in flange 15 full section or a part of sections.

In the present embodiment, first board 11 more includes a bending branch 112, is that second board 12 more includes a terminal inclined-plane 122, is to tilt away from first board 11 towards 12 bendings of second board.Two

boards

11,12 can be designed under unused state, and the spacing of U type opening is slightly less than the spacing of sealing place, that is two boards slightly press from both sides a small angle and not parallel to inner face 111,121, provide the working of plastics of inserting preferable clamping stable degree.Also therefore, the not necessarily perfect coaxial correspondence of two through holes of the utility model anchor clamps, also slightly relativity shift ground is corresponding.Though first through hole, 141 circular holes of this example, the utility model is not limited to this, and other geometrical shape is also applicable.

With reference to figure 6～7, be working of plastics clamps two plastic parts, and the sectional view before and after the working of plastics distortion.Desire linked fixedly two plastic parts at 20,21 o'clock, earlier the general wherein a working of plastics 20 insert towards grasping part S.By the guiding on the terminal inclined-plane 122 of second board 12, just can working of plastics 20 be inserted the location at an easy rate, and perforate 200 rough alignment that make working of plastics 20 are in the through hole 141,151 of two boards 11,12.The bending branch 112 of first board 11 is also to the working of plastics 20 extra clamping strength that provide at this moment.

Then another working of plastics 21 directly is flattened on to the outside on 110 of first board.Certainly, first flange, 14 external diameters and working of plastics 21 thickness that the perforate 210 of working of plastics 21 need be not less than first board 11 are not less than first flange, 14 height, and first flange 14 can be housed in the perforate 210 of working of plastics 21.

Last get perforate 210, first through hole 141, working of plastics 20, first through hole 141 that a bolt 22 passes working of plastics 21 in regular turn again, bolt 22 can be screwed together in the internal thread 152 of second flange 15, obtains two and links fixing working of plasticss each other.

When bolt 22 locked, working of plastics 21 stress deformations, bolt 22 just directly contacts as shown in Figure 7 with the flange 14 of first board 11, thus avoided the working of plastics 21 and first board 11 be out of shape due to the situation that gets loose of bolt 22.

In the present embodiment, first board 11, second board 12 and first flange 14 are one-body molded, and second flange 15 be originally with above-mentioned integral member nut independently mutually, behind plate forming, be fixed on to the outside 120 of second board 12 with welding manner.

Certainly, second flange 311 also can be and first board 30, first flange 301, flexible joint 32, second board, 31 one-body molded persons, and is as shown in Figure 8.And internal thread 312 can be to produce simultaneously in the plate forming stage, perhaps treats through hole to be processed to form behind the plate forming again.

From the above, the working of plastics anchor clamps of the utility model because first board set up a flange to the outside, make working of plastics because of after locking strength and being out of shape, bolt directly contacts with the board flange, can avoid the get loose generation of situation of bolt.

Claims

1. working of plastics anchor clamps; It is characterized in that comprising one first board, one second board and a flexible joint, this first board and this second board extend and make these working of plastics anchor clamps be the U type from this flexible joint opposite end respectively, wherein this first board include one first to the outside, one first to inner face and one first through hole; This second board includes one second to the outside, one second to inner face and one second through hole; This first is faced to inner face to inner face and this second each other, and this first projection to the outside has one first flange, and this second projection to the outside has one second flange; This second flange has an internal thread; This first through hole is opened on this respectively first to inner face and this first flange, and this second through hole is opened on this respectively second to inner face and this second flange, and this first through hole is to should second through hole.

2. working of plastics anchor clamps as claimed in claim 1 is characterized in that this first board includes a bending branch, are towards this second board bending.

3. working of plastics anchor clamps as claimed in claim 1 is characterized in that it is to tilt away from this first board that this second board includes a terminal inclined-plane.

4. working of plastics anchor clamps as claimed in claim 1 is characterized in that this second flange is a WELD NUTS.

5. working of plastics anchor clamps as claimed in claim 1 is characterized in that this second flange and this second board are one-body molded.

6. working of plastics anchor clamps as claimed in claim 1 is characterized in that this is first not parallel to inner face to inner face and this second.

7. working of plastics anchor clamps as claimed in claim 1 is characterized in that this first through hole is a circular hole.