CN102748367A - Gasket, fixing device and distribution box - Google Patents
Gasket, fixing device and distribution box Download PDFInfo
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- CN102748367A CN102748367A CN2011100994530A CN201110099453A CN102748367A CN 102748367 A CN102748367 A CN 102748367A CN 2011100994530 A CN2011100994530 A CN 2011100994530A CN 201110099453 A CN201110099453 A CN 201110099453A CN 102748367 A CN102748367 A CN 102748367A
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Abstract
The invention provides a gasket, which can be spirally sleeved on a threaded spinner, and under the action of an external rotating force, a part (contacted with the threaded spinner) of the gasket can be deformed, therefore, the gasket is provided with a thread matched with a thread of the threaded spinner. The invention also provides a fixing device which comprises a threaded spinner and a gasket part, wherein the threaded spinner is spirally fixed on a component, the gasket part is spirally sleeved on the threaded spinner, a part (contacted with the threaded spinner) of the gasket is provided with a thread matched with a thread of the threaded spinner, and the thread of the gasket is formed by that a gasket is spirally sleeved on the threaded spinner and then acted by an external rotating force. The invention also provides a distribution box using the fixing device. As the gasket part is spirally engaged with the threaded spinner, a situation that the threaded spinner and the gasket part are always arranged together and not lost and separated can be ensured.
Description
Technical field
The present invention relates to a kind of pad, also relate to and a kind ofly comprise that one can spin and is fixed on screw thread on the parts the spin fixing device of part and the distribution box that uses this fixing device.
Background technique
When installing and using distribution box or similar electrical equipment casing; Using the screw thread part that spins through regular meeting fixedly mounts; Such as screw, bolt or the like; And, the elements such as part use spring washer, lock washer, plain washer that also spin, the problem that these elements all should not be managed, be scattered easily through regular meeting's matching thread.For example when using screw to install and fix distribution box cover or guide rail; Elements such as screw or plain washer are scattered easily in the installation or removal process at the scene; Be not easily distinguishable, even problem such as can lose, in electrical equipment, can have certain potential safety hazard yet if drop.
As shown in Figure 1; A kind of falling-proof apparatus of often tearing plate connecting bolt packing ring open that is used for engineering machinery is arranged in the existing technology, and this device comprises bolt (92), big flat washer (94) and back-up ring (93), and bolt passes the bolt hole of plate (91); Bullet pad (96) and plain cushion (95) are enclosed within the positive bolt part of plate (91); Back-up ring (93) and big flat washer (94) are enclosed within the bolt part at plate (91) back side, and back-up ring (93) is stuck in the screw thread of bolt (92), and big flat washer (94) is positioned between plate (91) and the back-up ring (93).In plate (91) unloading process, back-up ring (93) is stuck in the screw thread all the time.Guarantee that with the clamping force of bullet pad, plain cushion (95) plate of pulling down (91) binds together with bullet pad (96) plain cushion (95) all the time, has reached anti-lost purpose through big flat washer (94), back-up ring (93).
Summary of the invention
The purpose of this invention is to provide a kind of pad simple in structure, spin to play when part is used with screw thread and be convenient to manage the spin effect of part of screw thread.
The invention provides a kind of pad, but said pad rotation set on a screw thread spins part, said pad and the said screw thread part deformable that part contacts that spins under rotation external force effect, thus have and the said screw thread screw thread that the part screw thread is complementary that spins.Because pad can be through distortion and generation and the said screw thread screw thread that the part screw thread is complementary that spins,, be convenient to manage the screw thread part that spins so can screw with the screw thread part that spins.
As one embodiment of the present of invention, said pad is processed by vulcan fibre.Vulcan fibre is claimed vulcanized paper again, be a kind of flintiness very high, through the specialty paper that special process is handled, papery is hard, has excellent elasticity, wear resistance, corrosion resistance, heat resistance, mechanical strength, insulating property and machining moulding performance.Fabricated product is durable, light weight (lighter than aluminium) and attractive in appearance.Because the vulcan fibre material is special,, be set in after screw thread spins on the part so be processed into pad; Pad is imposed external force; For example on screw thread spins part, rotate, at this moment, just can deform with the screw thread part that part contacts that spins; Produce and the screw thread screw thread that the part screw thread is complementary that spins, pad just can screw with the screw thread part that spins like this.
As one embodiment of the present of invention, the inner diameter d=D-n of said pad * P, wherein; D is the internal diameter of said pad, and D is the spin nominal diameter of part of said screw thread, and P is the spin tooth distance of part of said screw thread; N is a fixed coefficient, is example with the metric thread, and this coefficient n is 1.0825; And adopting 55 degree during inch screw threads, this coefficient n then is 1.2.
As one embodiment of the present of invention, said pad is a ring, and in addition, said pad can also be hexagon profile and center drilling.Preferably, the boundary dimension of said pad is consistent with hexagon nut.Hexagon boundary dimension is the profile series size of hexagon nut preferably, is convenient to the use of Wrench when assembling.
The present invention also provides a kind of fixing device; Comprise that one spins and is fixed on screw thread on the parts part that spins; Also comprise the spacer elements of a rotation set on said screw thread spins part; Said spacer elements has and the said screw thread screw thread that the part screw thread is complementary that spins with spin part that part contacts of said screw thread, and the screw thread of said spacer elements is by forming on said screw thread spins part and after rotating the external force effect just like any pad rotation set provided by the present invention.Since the pad rotation set on said screw thread spins part after, said pad and the said screw thread part deformable that part contacts that spins under rotation external force effect, thus have and the said screw thread screw thread that the part screw thread is complementary that spins, formation spacer elements.Spacer elements just can screw with the screw thread part that spins like this, thereby guarantees that the screw thread part that spins is in the same place with spacer elements all the time, can not lose and be scattered.
Part often also need cooperate plain cushion and/or bullet pad to use again because screw thread spins; As one embodiment of the present of invention; Also comprise and be set in said screw thread spin plain cushion and/or bullet pad on the part; Such as elements such as spring washer, lock washer, plain washers; Said plain cushion and/or bullet pad spin between the part head in said spacer elements and said screw thread, because spacer elements is in a kind of " screwing " state on screw thread spins part, and plain cushion and/or bullet pad are limited to the screw thread part between part head and the spacer elements that spins; Can not separate so can guarantee plain cushion and/or bullet pad that screw thread spins on the part, prevent dropping or lose in the installation or removal process with the screw thread part that spins.
As one embodiment of the present of invention, said spacer elements said parts near and/or a sidespin of the part head that spins away from said screw thread be set in said screw thread and spin on the part.Like this, in spacer elements during near said head, when needs dismounting parts; If desired the screw thread part that spins is backed out from parts,, that is to say that parts are near a spin side of part head of screw thread because spacer elements is set in the parts outside; So; Screw thread spin part can and spacer elements together, the screw thread situation that part separates with spacer elements that spins can not appear, be convenient to manage the screw thread of the backing out part that spins.When being used plain cushion and/or bullet pad; When backing out screw thread and spin part; Be set in screw thread spin plain cushion and/or bullet pad and screw thread on the part spin part itself all can with spacer elements together, be convenient to management, also be difficult for losing being scattered; When installing and fixing once more, the screw thread that also only needs to be arranged with plain cushion and/or bullet pad and the pad part that spins screws in the mounting hole on the parts and gets final product.
As one embodiment of the present of invention; Said spacer elements is set in said screw thread and spins on the part at spin away from a said screw thread sidespin of part head of said parts, and the inboard of parts just is if just need unscrew the screw thread part that spins but do not shift out from parts; In this case; Spacer elements can play the spin effect of part of screw thread that limits well, no matter is spin part or be set in screw thread spin plain cushion and/or bullet pad on the part of screw thread itself, all can be together; Be difficult for dropping and lose, be convenient to management.
As one embodiment of the present of invention, said spacer elements has distinguishes the spin color of part of different screw threads, perhaps; Said spacer elements has the color consistent with said parts, is redness, black, white or blackish green, perhaps other color such as said spacer elements; Its meaning is; On the one hand can be so that identification matches with it the screw thread that the uses part that spins, such as with model be that the screw thread of the M5 spacer elements that part is used that spins is all used redness, with model be that the screw thread of the M4 spacer elements that part is used that spins is all used white; Be that the spacer elements that screw fit is used is selected red perhaps with the screw thread part that spins; With the screw thread part that spins be that the spacer elements that is used of bolt is selected black, perhaps, with the screw thread that is used for fixing the distribution box panel spacer elements that part is used that spins be blackish green; With the screw thread that is used for fixing guide rail and under casing spin that part is used for red, or the like; On the other hand, also can select the spacer elements unification is a kind of color, make it to be consistent with needing fixing parts color, elegant in appearance.
Another object of the present invention provides a kind of use can be convenient to manage the spin distribution box of part and fixing device simple in structure of screw thread.
The invention provides a kind of distribution box, comprise parts and a under casing, also comprise like any one fixing device provided by the present invention, the screw thread of the said fixing device part that spins is screwed on the parts, and said fixing device is used for fixing said parts and said under casing.Is example with parts for the distribution box cover; When distribution box cover and under casing installation; Spacer elements together is assembled together with under casing in company with the screw thread part that spins, and spacer elements can prevent screw thread being scattered of parts such as part and possible spring washer, lock washer, plain washer that spin when assembling.As user during once more from distribution box under casing dismounting cover; Spacer elements still spins part together in company with screw thread; Can prevent the spin loss of being scattered of parts such as part and possible spring washer, lock washer, plain washer of screw thread; Be beneficial to once more the assembling of cover and under casing, improve the operating efficiency of installing and dismantling.
The present invention also provides a kind of distribution box; Comprise a lead and parts; A kind of fixing device that also comprises invention and provided; The screw thread of the said fixing device part that spins pre-fixes said lead on said parts, and wherein, said parts are between the spacer elements and said lead of said fixing device.With parts is that mounting guide rail is an example; Like this; The client is when installing lead (like earth lead) and mounting guide rail and under casing installed; Can be directly spacer elements together be assembled together with under casing with spin part, earth lead of screw thread, can plays the prepackage effect of earth lead, also effectively avoided the collision friction of earth lead and miscellaneous part in the transportation process simultaneously.
Description of drawings
Following accompanying drawing is only done schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is a kind of schematic representation that is used for the falling-proof apparatus of often tearing plate connecting bolt packing ring open of engineering machinery in the existing technology;
Fig. 2 is embodiment's schematic representation of a kind of fixing device of the present invention;
Fig. 3 is the explosive view of fixing device shown in Figure 2;
Explosive view when Fig. 4 is two holes on the fixing respectively parts of two kinds of fixing device embodiments of the present invention;
Fig. 5 a is a kind of pad embodiment's in a fixing device of the present invention schematic representation;
Fig. 5 b and 5c are the plan view and the lateral plans of pad shown in Fig. 5 a;
Fig. 6 a is another pad embodiment's in a fixing device of the present invention schematic representation;
Fig. 6 b and 6c are the plan view and the lateral plans of pad shown in Fig. 6 a;
Fig. 7 a has been to use the cover schematic representation of a kind of fixing device embodiment's of the present invention distribution box;
Fig. 7 b is the cross sectional view that has the cover of fixing device of the present invention among Fig. 7 a;
Fig. 7 c is the partial view when cover and under casing are assembled together among Fig. 7 a;
Fig. 8 a has been to use the partial schematic diagram of a kind of fixing device embodiment's of the present invention another kind of distribution box;
Fig. 8 b is the schematic representation after angle is amplified of looking up of part shown in Fig. 8 a;
Fig. 8 c is the partial enlarged drawing at A place shown in Fig. 8 b.
Label declaration:
91 plates
92 bolts
93 back-up rings
94 big flat washer
95 plain cushions
96 bullet pads
1 parts
11,12 holes
2,21, the 22 screw threads part that spins
3 covers
4,41,42, spacer elements
45,46 pads
5,51,52 plain cushions
6,61,62 bullet pads
7 earth leads
8 under casings
9 mounting guide rails
X, X1, X2 axis
Embodiment
Understand for technical characteristics, purpose and effect to invention have more clearly, contrast description of drawings embodiment of the present invention at present, identical label is represented identical part in each figure.
The falling-proof apparatus of often tearing plate connecting bolt packing ring open that is used for engineering machinery of the prior art as shown in Figure 1 can be found out, on the one hand; This device is comparatively complicated; Need back-up ring 93 and 94 two parts of big flat washer to be used just and can reach anti-lost effect, and on the other hand, back-up ring 93 wherein can only be fixed on the some positions on the bolt 92; In installation or unloading process; Back-up ring 93 can not produce in rotation on the screw thread of bolt 92 and back-up ring 93 between relative displacement, so back-up ring 93 has limited bolt 92 screw-in stroke in actual use.
And if only use nut to come the matching thread part that spins; Very obvious; The thickness of nut is blocked up so that can not be fit to narrow and small place, some gap, and the material of nut is harder, in screwing in the using process that screws out; And screw thread spins and has difficult labour looks between the part to displacement, and then also can limit the screw thread part screw-in stroke in actual use that spins.
And in of the present invention a kind of fixing device as shown in Figure 2, comprise the screw thread part 2 that spins, in general; The screw thread part that spins can be the part that screw, bolt or the like have screw thread; The part 2 that spins can be fixed on through the mode that spins on the parts 1, and, for the part that prevents to spin loosening etc.; Also use bullet pads 6 such as spring washer, lock washer, be used to reduce friction, anti-heads, isolate, prevent to get loose or the plain cushion 5 of dispersive pressure through regular meeting.Different with existing technology, in the fixing device shown in Figure 2, used a kind of spacer elements 4 that behind external force deformation, forms by pad, spacer elements 4 is positioned at the upside of parts 1, and certainly, can there be multiple choices the position of spacer elements 4, and hereinafter can be described in detail.
In this application; Spacer elements refers to the pad rotation set after a screw thread spins part and the state after external force effect distortion; Said pad and the said screw thread part deformable that part contacts that spins under rotation external force effect; Thereby have and the said screw thread screw thread that the part screw thread is complementary that spins, at this moment, distortion back and the pad with the screw thread that is complementary are so-called spacer elements among the application.
As shown in Figure 3, spin part 2, bullet pad 6, plain cushion 5 and spacer elements 4 of screw thread has same axis X, like this, is convenient to process the pad that becomes spacer elements on the one hand, also makes things convenient for tool using to operate on the other hand.
Pad is socketed in after screw thread spins on the part 2; Under the situation that receives external force (such as being rotation external force), pad and the screw thread part that part 2 contacts that spins can deform, thereby has and the screw thread screw thread that part 2 screw threads are complementary that spins; So just, formed can with the screw thread spacer elements 4 that part 2 screws that spins; Thereby guarantee that the screw thread part 2 that spins is in the same place with spacer elements 4 all the time, can not lose and be scattered, and; Spacer elements 4 part 2 that can also the phase double thread spins screws in or screws out, and promptly spacer elements 4 can produce relative displacements with respect to the screw thread part 2 that spins.
Such pad or spacer elements 4 can be selected to be processed by vulcan fibre.Vulcan fibre is claimed vulcanized paper again, be a kind of flintiness very high, through the specialty paper that special process is handled, papery is hard, has excellent elasticity, wear resistance, corrosion resistance, heat resistance, mechanical strength, insulating property and machining moulding performance.Fabricated product is durable, light weight (lighter than aluminium) and attractive in appearance.Because the vulcan fibre material is special,, be set in after screw thread spins on the part 2 so be processed into pad; Pad is imposed external force, for example rotation on screw thread spins part 2, at this moment; Just can deform with the screw thread part that part 2 contacts that spins; Produce and the screw thread screw thread that part 2 screw threads are complementary that spins, can form spacer elements 4 like this, and spacer elements 4 just can screw with the screw thread part 2 that spins.
As shown in Figure 2; At parts 1 upside the fixing device of a spacer elements 4 is installed, can be used for parts 1 are fixed on other elements, if desired spin part 2 or related plain cushion 5 and/or bullet pad 6 of screw thread pulled down together; (that is to say that parts are near a spin side of part head of screw thread) because in parts 1 inboard and be furnished with spacer elements 4; So, the screw thread situation that part 2 separates with spacer elements 4 that spins can not appear, be convenient to manage the screw thread of the backing out part 2 that spins.When being used plain cushion 5 and/or bullet pad 6; When backing out screw thread and spin part 2, be set in screw thread spin plain cushion 5 and/or bullet pad 6 and screw thread on the part 2 spin part 2 itself all can with spacer elements 4 together, be convenient to management; Also be difficult for losing being scattered; When installing and fixing once more, the screw thread that also only needs to be arranged with plain cushion 5 and/or bullet pad 6 spins in the mounting hole that part 2 screws on the parts, and screws in spacer elements 4 and get final product.
Certainly, can there be multiple choices the position of spacer elements, and is as shown in Figure 4; Spacer elements 41 can be positioned at the outside of parts 1, promptly is positioned at parts 1 away from a spin side of part 21 heads of screw thread, like this; When screw thread spins after part 21 puts bullet pad 61, plain cushion 51, screw in the hole 11 of parts 1 the sheathed again pad of the part of back-out; And guarantee that spin part 21, bullet pad 61, plain cushion 51, hole 11, pad of screw thread is on the same axis X 1, and pad is imposed external force, for example be rotated along screw thread part 21 axis X 1 that spin; Pad and the screw thread part that part 21 contacts that spins deforms because of material is special, produces and the screw thread screw thread that part 21 matches that spins, and becomes so-called spacer elements 41 among the application then; So spacer elements 41 just can be screwed in screw thread and spin on the part 21; At this moment, again spin part 21 of screw thread is screwed in the hole of another element (not shown)s, just can guarantee the fixing of parts 1 and another element.When needs spin with screw thread that part 21 is unscrewed but not when parts 1 shift out; Spacer elements 41 just can play the spin effect of part 21 of screw thread that limits well; It no matter is spin part 21 or be set in screw thread spin plain cushion 51 and/or bullet pad 61 on the part 21 of screw thread itself; The capital is difficult for dropping and loses together.
Certainly; Spacer elements can also be installed in the both sides of parts 1; Just be positioned at the inside and outside both sides of parts 1 like spacer elements 42; And be on the same axis X 2 with spin part 22, bullet pad 62, plain cushion 52, hole 12 of screw thread, when also having produced because of the rotation external force deformation with screw thread, pad spins after screw thread that part 22 matches becomes the so-called spacer elements 42 of the application, have the advantage of aforementioned two kinds of layouts (pad is arranged in the inboard that parts 1 outside and pad are arranged in parts 1) simultaneously concurrently.
Pad or spacer elements can have distinguishes the spin color of part of different screw threads, and perhaps, pad or spacer elements have the color consistent with parts; Such as said pad or spacer elements is redness, black, white or blackish green; Perhaps other color, its meaning be, on the one hand can be so that identification matches with it the screw thread that the uses part that spins; Such as with model be that the screw thread of M5 pad or the spacer elements that part is used that spin all used redness; With model be that the screw thread of M4 pad or the spacer elements that part is used that spin all used white, spin with screw thread perhaps that to be that the pad that uses of screw fit or spacer elements are selected red for part, with the screw thread part that spins be that pad or the spacer elements that bolt is used selected black; Again perhaps; With the screw thread that is used for fixing distribution box panel pad or the spacer elements that part is used that spin be blackish green, spin pad that part is used or spacer elements for red with the screw thread that is used for fixing guide rail and under casing, or the like; On the other hand, also can select pad or spacer elements unification are a kind of color, make it to be consistent with needing fixing parts color, elegant in appearance.
For pad, profile and size can define according to use occasion usually, such as often dismounting if desired; Can select shown pad 45 like Fig. 5 a, 5b and 5c; Its profile is similar to hexagon, is convenient to the use at when assembling Wrench, and the distance between two long opposite side can be A1=10.0mm; Thickness also can define according to use occasion usually, and thickness h 1 is selected 1.0mm for use here.
For example: be the M4 screw with the pad screw thread that the uses part that spins that matches, so pad during fabrication, inner diameter d 1=D-1.0825 * P=4-1.0825 * 0.7=3.24mm.
Certainly, if adopt other screw threads, such as, when adopting 55 degree inch screw threads, inner diameter d 1=D-1.2 * P.
Fig. 6 a, 6b and 6c then show other a kind of pad 46, and pad 46 is an annular, its inner diameter d 2=D-1.0825 * P (is example to match with metric thread), and wherein, D is the spin nominal diameter of part of associated screw thread; P is the spin tooth distance of part of associated screw thread.
For example: be the M5 screw with the pad screw thread that the uses part that spins that matches, so pad during fabrication, inner diameter d 2=D-1.0825 * P=4-1.0825 * 0.8=4.13mm.Similar with the pad among Fig. 5 a, can also adopt other screw threads, and calculate according to respective formula.
The present invention also provides a kind of distribution box; Comprise a cover 3 and the under casing 8 shown in Fig. 7 c shown in Fig. 7 a and 7b; Also comprise a kind of fixing device provided by the present invention; The screw thread of the fixing device part 2 that spins is screwed on the cover 3, and said fixing device is used for fixing said cover 3 and said under casing 8.
When distribution box cover 3 is installed with under casing 8; Spacer elements 42 together is assembled together with under casing 8 in company with the screw thread part 2 that spins, and particularly, spacer elements 42 is positioned at the outside of cover 3; Be cover 3 away from a spin side of part 2 heads of screw thread; Shown in Fig. 7 b and 7c, screw thread spins and also is arranged with bullet pad 6 and plain cushion 5 on the part 2, then the screw thread part 2 that spins is screwed in the under casing 8 again.
In when assembling, spacer elements 42 can prevent screw thread spin part 2 and being scattered as parts such as the spring washer of plain cushion or bullet pad, lock washer, plain washers.As user during once more from distribution box under casing 8 dismounting covers 3, spacer elements 42 still spins part 2 together in company with screw thread, can prevent the spin loss of being scattered of parts such as part 2 and sheathed plain cushion and bullet pad of screw thread, is beneficial to once more the assembling of cover 3 and under casing 8.
The present invention also provides other a kind of distribution box; Comprise just like a mounting guide rail 9 shown in Fig. 8 a and the 8b and a lead 7 (such as earth lead); Wherein, also comprise fixing device provided by the present invention in the distribution box, the enlarged view at the A place shown in Fig. 8 c; The screw thread of the fixing device part 2 that spins pre-fixes lead 7 on mounting guide rail 9, and mounting guide rail 9 is between the spacer elements 41 and lead 7 of fixing device.
(such as indicating the mounting point for the client uses) can be used fixing device provided by the present invention when needs pre-fix some part (like earth lead), and earth lead 7 is pre-fixed on guide rail 9.In transportation process, can prevent that earth lead 7 (or similar freeware) and miscellaneous part from bumping and cause and damage or damage.When the client uses; (screw thread of promptly directly tightening fixing device spin part 2) uses can directly to utilize the earth lead 7 of preparatory installation to install; And the mounting point that need not to consult specification searching ground wire; Also need not to pull down spacer elements 41 and install again, can play the mounting point indicative function and pre-fix the effect that part bumps and damages or damage with other in the transportation process with avoiding.
To sum up; The invention provides a kind of pad; But this pad rotation set is on a screw thread spins part; Said pad and the said screw thread part deformable that part contacts that spins under rotation external force effect, thus have and the said screw thread screw thread that the part screw thread is complementary that spins, and the present invention also provides a kind of fixing device; Comprise that one spins and is fixed on screw thread on the parts part that spins; Also comprise the spacer elements of a rotation set on said screw thread spins part, said spacer elements has and the said screw thread screw thread that the part screw thread is complementary that spins with spin part that part contacts of said screw thread, and the screw thread of said spacer elements is by forming on said screw thread spins part and after rotating the external force effect just like any one pad rotation set provided by the present invention.The present invention also provides a kind of distribution box that uses this fixing device.Because spacer elements can screw with the screw thread part that spins, thereby guarantee that the screw thread part that spins is in the same place with spacer elements all the time, can not lose and be scattered.
In this article, " schematically " expression " is served as instance, example or explanation ", should any diagram, the mode of execution that be described to " schematically " in this article be interpreted as a kind of preferred or have more the technological scheme of advantage.
The listed a series of detailed description of preceding text only is specifying to feasibility embodiment of the present invention; They are not in order to restriction protection scope of the present invention, allly do not break away from equivalent embodiment or the change that skill of the present invention spirit done and all should be included within protection scope of the present invention.
Claims (14)
1. a pad (45,46) is characterized in that, said pad (45; 46) but rotation set on a screw thread spins part (2,21,22), said pad (45 under rotation external force effect; 46) with the spin part deformable of part (2,21,22) contact of said screw thread; Thereby have and the said screw thread screw thread that part (2,21,22) screw thread is complementary that spins.
2. pad as claimed in claim 1 (45,46) is characterized in that, said pad (45,46) is processed by vulcan fibre.
3. according to claim 1 or claim 2 pad (45,46) is characterized in that said pad (45; 46) inner diameter d=D-nP, wherein, d is the internal diameter of said pad (45,46); D is the spin nominal diameter of part (2,21,22) of said screw thread, and P is the said screw thread part (2 that spins; 21,22) tooth distance, n is a fixed coefficient.
4. pad as claimed in claim 1 (45,46) is characterized in that, said pad (46) is a ring.
5. pad as claimed in claim 1 (45,46) is characterized in that, said pad (45) is hexagon profile and center drilling.
6. pad as claimed in claim 5 (45,46) is characterized in that, the boundary dimension of said pad (45) is consistent with hexagon nut.
7. fixing device comprises that one spins and is fixed on screw thread on the parts (1) part (2,21,22) that spins, and it is characterized in that; Also comprise the spacer elements (4,41,42) of a rotation set on said screw thread spins part (2,21,22); Said spacer elements (4,41,42) has and the said screw thread part (2 that spins with the spin part of part (2,21,22) contact of said screw thread; 21,22) screw thread that is complementary of screw thread, said spacer elements (4,41; 42) part (2,21,22) is last also to form after the effect of rotation external force screw thread by spinning at said screw thread just like any described pad of claim 1 to 6 (45,46) rotation set.
8. fixing device as claimed in claim 7 is characterized in that, also comprises being set in the said screw thread part (2,21 that spins; 22) plain cushion on (5,51) and/or bullet pad (6,61), said plain cushion (5; 51) and/or bullet pad (6,61) be positioned at said spacer elements (4,41; 42) and said screw thread spin between part (2,21, the 22) head.
9. like claim 7 or 8 described fixing devices, it is characterized in that, said spacer elements (4,41,42) said parts (1) near and/or a side of part (2,21, the 22) head that spins away from said screw thread be set in said screw thread and spin on the part (2,21,22).
10. fixing device as claimed in claim 7 is characterized in that, said spacer elements (4,41,42) has distinguishes the spin color of part of different screw threads, and perhaps, said spacer elements (4,41,42) has and the consistent color of said parts (1).
11. distribution box; Comprise parts (3) and a under casing (8); It is characterized in that; Comprise that like any described fixing device of claim of claim 7 to 10 screw thread of the said fixing device part (2) that spins is screwed on the said parts (3), be used for fixing said parts (3) and said under casing (8).
12. distribution box as claimed in claim 11 is characterized in that, said parts (3) are cover.
13. distribution box; Comprise a lead (7) and parts (9); It is characterized in that, also comprise any described fixing device like claim 7-10, the screw thread of the said fixing device part (2) that spins pre-fixes said lead (7) on said parts (9); Wherein, said parts (9) are positioned between the spacer elements (45) and said lead (7) of said fixing device.
14. distribution box as claimed in claim 13 is characterized in that, said parts (9) are mounting guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100994530A CN102748367A (en) | 2011-04-20 | 2011-04-20 | Gasket, fixing device and distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100994530A CN102748367A (en) | 2011-04-20 | 2011-04-20 | Gasket, fixing device and distribution box |
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| Publication Number | Publication Date |
|---|---|
| CN102748367A true CN102748367A (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100994530A Pending CN102748367A (en) | 2011-04-20 | 2011-04-20 | Gasket, fixing device and distribution box |
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| CN (1) | CN102748367A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093697A (en) * | 2013-01-28 | 2013-05-08 | 青岛海信电器股份有限公司 | Display equipment |
| CN107989877A (en) * | 2017-11-07 | 2018-05-04 | 贵州天义电器有限责任公司 | A kind of anti-screw is scattered structure and method |
| CN108691872A (en) * | 2018-08-27 | 2018-10-23 | 江苏标五紧固件有限公司 | Combined screw |
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| JPS55170515U (en) * | 1979-05-25 | 1980-12-08 | ||
| JPS5714621U (en) * | 1980-06-20 | 1982-01-25 | ||
| CN1834479A (en) * | 2005-03-15 | 2006-09-20 | 尤尼克斯公司 | A washer, a fastener provided with the washer, and method of and a tool for fastening with the use of the washer |
| CN101144497A (en) * | 2007-09-18 | 2008-03-19 | 南京云帆科技实业有限公司 | Nut loose-proof anti-theft device |
| CN201373011Y (en) * | 2009-03-31 | 2009-12-30 | 陈永智 | Anti-theft screw for automobile license plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55170515U (en) * | 1979-05-25 | 1980-12-08 | ||
| JPS5714621U (en) * | 1980-06-20 | 1982-01-25 | ||
| CN1834479A (en) * | 2005-03-15 | 2006-09-20 | 尤尼克斯公司 | A washer, a fastener provided with the washer, and method of and a tool for fastening with the use of the washer |
| CN101144497A (en) * | 2007-09-18 | 2008-03-19 | 南京云帆科技实业有限公司 | Nut loose-proof anti-theft device |
| CN201373011Y (en) * | 2009-03-31 | 2009-12-30 | 陈永智 | Anti-theft screw for automobile license plate |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103093697A (en) * | 2013-01-28 | 2013-05-08 | 青岛海信电器股份有限公司 | Display equipment |
| CN103093697B (en) * | 2013-01-28 | 2015-07-29 | 青岛海信电器股份有限公司 | Display device |
| CN107989877A (en) * | 2017-11-07 | 2018-05-04 | 贵州天义电器有限责任公司 | A kind of anti-screw is scattered structure and method |
| CN108691872A (en) * | 2018-08-27 | 2018-10-23 | 江苏标五紧固件有限公司 | Combined screw |
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Application publication date: 20121024 |