CN100368882C - Bracing frame and its shim - Google Patents

Abstract

The present invention discloses a bracing frame. At least a shim is arranged on the bracing frame and comprises a through hole inner surface. When the shim is fixedly locked on the bracing frame by a screw, the surface of a screw head of the screw can be attached to the through hole inner surface.

Description

Bracing frame and its pad

Technical field

The present invention relates to a kind of bracing frame that is used to carry on the board, the pad on this kind bracing frame can not come off because glass substrate slides when board bearing glass substrate.

Background technology

Faceplate part in the LCD screen is combined by the liquid crystal molecule between two sheet glass substrates and two sheet glass substrates, and wherein glass substrate up comprises colored filter (the color filter of red, green, blue three looks; CF); The glass substrate of below then is to have comprised from the teeth outwards being used for controlling thin film transistor (TFT) (the Thin film transistor that liquid crystal turns to; TFT) circuit.Mainly comprise the preceding manufacture craft of Array section and the back manufacture craft of Cell section in the manufacturing process of LCD screen.

The manufacture craft of Array section comprises that the circulation of for several times " plated film-upward photoresist-exposure-development-etching-delustering causes resist " is to form required TFT circuit on the liquid crystal screen panel; And the manufacture craft of cell section mainly is to comprise the glass substrate and the glass substrate amalgamation that comprises the TFT circuit of CF, pours into liquid crystal again to form the required panel of a LCD screen between two substrates.Its manufacture craft comprises alignment film making, gluing material, spills cloth gap (spacer), substrate in combination, cutting splitting, liquid crystal such as inject, seal at flow process.

Because the size of glass substrate is huge, so between per pass manufacture craft website, all need automatically or semi-automatically to carry out the carrying of carrying substrate with the carrying board.As shown in Figure 1, carrying board 108 has two bracing frame bodies 104.When at carrying glass substrate 102, bracing frame body 104 can move to glass substrate 102 belows earlier.The material frame (not drawing) of original bearing glass substrate 102 can slowly descend glass substrate 102 then, and glass substrate 102 can be placed on the bracing frame body 104.

Fig. 2 is the section partial schematic diagram on the bracing frame, because the weight of glass substrate 102 is bigger, has certain inertia when carrying board 108 moves.After carrying board 108 was stopping, glass substrate 102 may slide because of inertia.When the lower surface of glass substrate 102 directly contacts with bracing frame body 104, cause the lower surface scratch of glass substrate 102 because of the slip of glass substrate 102, can on the contact point of bracing frame body 104, add Upper gasket 106, and be fixed with screw 110.

But because the inwall 112 of pad 106 is less with the contact area of screw 110 for vertical configuration, the effect that makes screw 110 fix is limited.So in the manufacturing environment of higher temperatures, or carrying board 108 gait of march are when very fast, pad 106 comes off because of the slip of glass substrate 102 easily.After pad 106 came off, glass substrate 102 was easy to because directly contact and scratch with screw 110.In addition, also be a kind of extra cost in order to replenish the pad 106 that loses because of coming off.

Summary of the invention

In order to improve above-mentioned shortcoming, the invention provides the pad on a kind of bracing frame.This kind pad has a through hole to be passed through by screw, and the interior face portion of this through hole is coniform depression, and some is then perpendicular to the pad bottom in addition; A surface in contact that contacts with the bracing frame body is arranged at this pad bottom.With screw with pad locking when the bracing frame body, the screw terminal surface can contact with the coniform inner face of through hole and increase pull-out capacity, and pad can not come off because of glass slides.

For above-mentioned purpose of the present invention, feature and advantage can be become apparent, preferred embodiment cited below particularly also cooperates appended graphic elaborating.

Description of drawings

Fig. 1 transports for tradition on the bracing frame of carrying board of substrate, the synoptic diagram when pad contacts with glass substrate;

Fig. 2 transports for tradition on the bracing frame of carrying board of substrate, the section partial schematic diagram when pad contacts with glass substrate;

Fig. 3 is the diagrammatic cross-section of the pad of first embodiment of the invention;

Fig. 4 is the diagrammatic cross-section of the pad of second embodiment of the invention;

Fig. 5 is the diagrammatic cross-section of the pad of third embodiment of the invention.

The main element symbol description:

Prior art:

102: glass substrate;

104: bracing frame;

106: pad;

108: carrying machine table;

110: screw;

112: the vertical surface in the shim through bore.

The present invention:

202: screw;

204: the screw terminal surface;

206: the screw thread of screw;

208: pad;

210: the through hole of pad;

212: the second through hole inner face of pad;

214: the first through hole inner face of pad;

216: the surface in contact of pad bottom;

218: the screw thread of pad;

302: screw;

304: the screw terminal surface;

306: the screw thread of screw;

308: pad;

310: the through hole of pad;

312: the second through hole inner face of pad;

314: the first through hole inner face of pad;

316: the surface in contact of pad bottom;

318: the screw thread of pad;

320: the third through-hole inner face of pad;

402: screw;

404: the screw terminal surface;

408: the screw thread of screw;

408: pad;

410: the through hole of pad;

412: the second through hole inner face of shim through bore;

414: the third through-hole inner face of shim through bore;

416: the surface in contact of pad bottom;

418: the screw thread of pad;

420: the first through hole inner face of shim through bore.

Embodiment

Pad shown in Figure 3 is the first embodiment of the present invention, and wherein, a surface in contact 216 is arranged at the bottom of pad 208, is used for contacting or embed the bracing frame body with bracing frame body (not drawing), also has a through hole 210 in addition and allows screw 202 pass through.The material of pad 208 can be rubber, plastics, other has elasticity and the comparatively soft material or the potpourri of above-mentioned material.

This through hole inner face has comprised the first through hole inner face 214 perpendicular to the surface in contact 216 of pad 208 bottoms, with the second through hole inner face 212, this second through hole inner face 212 and surface in contact 216, all not parallel, the preferable surface that is shaped as a coniform depression of the first through hole inner face 214.

When screw 202 is locked in pad 208 on the bracing frame body, the surface in contact 216 of pad 208 contacts with the bracing frame body, and the second through hole inner face 212 of pad 208 can contact to increase stressed area with the skewed screw terminal surface 204 of screw 202.After the bracing frame of carrying board had used this kind pad 208, when transporting glass substrate, pad 208 can not come off because of the slip of glass substrate.Also reduced simultaneously glass substrate because pad 208 comes off by the chance of screw 202 scratches.If the first through hole inner face 214 comprises screw thread 218 again, the screw thread 218 of the first through hole inner face 214 of pad 206 and the screw thread 206 of screw 202 are closely contacted, can further increase the locking effect of screw 202.

Pad 308 shown in Figure 4 is the second embodiment of the present invention, and wherein the surface of through hole 310 has three sections variation.First section for being that the second through hole inner face 312, centre then are the third through-hole inner face 320 that an end is connected with the second through hole inner face 312 perpendicular to the first through hole inner face 314 of the surface in contact 316 of pad 308 bottoms, latter end.

Same, second through hole inner face 312 of this kind pad and surface in contact 316, all not parallel, the preferable surface that is shaped as a coniform depression of the first through hole inner face 314.The second through hole inner face 312 of pad 308 can contact to increase stressed area with the skewed screw terminal surface 304 of screw 302.Even when the screw terminal alteration of form of screw 302, screw terminal surface 304 can further contact with third through-hole inner face 320 and increase stressed area again.After the bracing frame of carrying board had used this kind pad 308, when transporting glass substrate, pad 308 can not come off because of the slip of glass substrate.Also reduced simultaneously glass substrate because pad 308 comes off by the chance of screw 302 scratches.If the first through hole inner face 314 has screw thread 318, and the first through hole inner face 314 of pad 308 and the screw thread 306 of screw 302 are combined closely, can further increase the locking effect of screw 302.

Pad 408 shown in Figure 5 is the third embodiment of the present invention, and wherein the surface of through hole 410 has three sections variation.First section for and the surface in contact 416 contacted first through hole inner faces 420 of pad bottom, latter end be that the second through hole inner face 412, centre then are that an end is connected with the second through hole inner face 412, and with the perpendicular third through-hole inner face 414 of surface in contact 416.

The first through hole inner face 420 of this kind pad 408 is the surface of a coniform depression, and when using screw 402 that this pad 408 is locked in the bracing frame body, the space that this first through hole inner face 420 and bracing frame surface are formed may be out of shape.Part air in this space can be extruded and make this pad 408 have the effect of absorption as sucker.

Same, second through hole inner face 412 of this kind pad and surface in contact 416, all not parallel, the preferable surface that is shaped as a coniform depression of the first through hole inner face 420.The second through hole inner face 412 of pad 408 can contact to increase stressed area with the skewed screw terminal surface 404 of screw 402.If third through-hole inner face 414 has screw thread, and the third through-hole inner face 414 of pad 408 and the screw thread 406 of screw 402 are more combined closely, can further increase the locking effect of screw 402.

Though disclosed the present invention in conjunction with above preferred embodiment; yet it is not in order to limiting the present invention, anyly is familiar with this operator, without departing from the spirit and scope of the present invention; still can do some change and retouching, so protection scope of the present invention should be with being as the criterion that claim was defined.

Claims (12)

1. the pad on the bracing frame comprises:

One surface in contact;

One first through hole inner face, an end is connected with this surface in contact; And

One second through hole inner face is not parallel to this first through hole inner face and this surface in contact,

Wherein said pad and screw are used, and the fit screw terminal surface of described screw of the described second through hole inner face, and

Wherein said pad is by having elasticity and comparatively soft material is made.

2. the pad on the bracing frame as claimed in claim 1, wherein this first through hole inner face is perpendicular to this surface in contact.

3. the pad on the bracing frame as claimed in claim 2, wherein this first through hole inner face comprises screw thread.

4. the pad on the bracing frame as claimed in claim 1, wherein this first through hole inner face is a coniform sunk surface.

5. the pad on the bracing frame as claimed in claim 1, wherein this second through hole inner face is a coniform sunk surface.

6. the pad on the bracing frame as claimed in claim 1, the material of its Intermediate gasket are the potpourri of rubber, plastics or above-mentioned material.

7. the pad on the bracing frame as claimed in claim 1 wherein also comprises:

One third through-hole inner face, an end is connected with this second through hole inner face, and between this first through hole inner face and this second through hole inner face.

8. the pad on the bracing frame as claimed in claim 7, wherein this third through-hole inner face is perpendicular to this surface in contact.

9. the pad on the bracing frame as claimed in claim 8, wherein this third through-hole inner face comprises screw thread.

10. bracing frame comprises:

One bracing frame body;

One pad comprises:

One surface in contact;

One first through hole inner face, an end is connected with this surface in contact;

One second through hole inner face, and be not parallel to this first through hole inner face and this surface in contact; And

One screw is locked in this pad on this bracing frame body, and this screw comprises a screw terminal surface, and this screw terminal surface fits in this second through hole inner face,

Wherein said pad is by having elasticity and comparatively soft material is made.

11. bracing frame as claimed in claim 10, wherein this second through hole inner face is a circular conical surface.

12. bracing frame as claimed in claim 10, wherein this pad also comprises:

One third through-hole inner face, an end is connected with this second through hole inner face, and between this first through hole inner face and this second through hole inner face.

Images