A kind of at right angle setting locking strip
Technical field
The present invention relates to a kind of locking strip, specifically, relate to a kind of at right angle setting locking strip.
Background technique
Along with the development of science and technology, miniaturization, integrated and modularization are more and more tended in present military hardware design.The problem that first military hardware solves is exactly vibration problems.How to ensure between module and mainboard be connected to high-speed impact when do not lose efficacy, be exactly always connector assembly make great efforts direction.Locking strip, as the appearance of the structural member of raising board shock strength, alleviates connector assembly research and development difficulty to a great extent.So the operation environment of locking strip is more and more, from tank armor car to various boats and ships, to civilian and military aircraft, to space equipment.
The integrated of height also requires that present equipment safeguards facility as much as possible, so carrying out now " Second Echelon Maintenance " this military equipment in the world to safeguard theory always.Time this maintenance theory just requires to be equipped in and battlefield carries out safeguarding replacing, reduce the intractability of technician as much as possible and shorten the operating time.And in present military equipment, a lot of equipment all can only use hand-operated tools, and guarantee can not have misoperation.So how to accelerate the device security changing now speed and replacing, it is also present developing direction.
Existing locking strip structure as depicted in figs. 1 and 2, front wedge, wedge and back wedge is run through successively by stay bolt, and fix with nut, when being made spiral shell head and nut Distance Shortened by rotation stay bolt, correspondingly relative position is changed by inclined-plane between voussoir and wedge, the horizontal width of its entirety is increased, just can realize clamping locking.But this structure is found to have many problems in actual applications, first area of contact is too small, heavier plate can not be clamped, because existing locking strip and locking slot and plate surface of contact are the sides at tapered ramp two ends, wherein voussoir volume is all relatively little, and corresponding contact side is also less; It two is just do locating face with tapered ramp between existing voussoir and wedge, and when bolt is in loosening state, voussoir and wedge are all easy to relative to screws, are just easy to cause the locating face between voussoir and wedge not mate, and cannot normally lock; It three is annexations unstable between each parts of existing locking strip, when relaxation state, each component models is easy to drop, if parts drop and are easy to cause its components and parts Damage by Short Circuit on pcb board when the dismounting of practical application, so also limit existing locking strip structure can only adopt hand-operated tools and be difficult to adopt electronic dismantling device fast, to this, also someone expects that increasing Anti-fall nut in stay bolt end realizes electric operating, but this can increase again the entire length of locking strip and unnecessary assembly and causes using loaded down with trivial details and inconvenient; Its four be when with Vertical direction insert locking strip time, owing to there is no mutual tractive force between each voussoir by locating face restriction, Action of Gravity Field can make the activity of all voussoirs not meet user demand to its limit position, even sometimes also can snap into cabinet mural margin, have a strong impact on efficiency of assembling.
Summary of the invention
For overcoming prior art Problems existing, the invention provides that a kind of structure is simple, easy to use, inter-module draws mutually and preventing turning over the at right angle setting locking strip of anticreep.
To achieve these goals, the technical solution used in the present invention is as follows:
A kind of at right angle setting locking strip, comprises interconnective wedge shape fixed groove, clamping wedge, wedge head screw rod, rotates voussoir and tension reed;
Described wedge shape fixed groove comprises to be prevented turning over cell body, is arranged at the bottom land two ends the domatic and lower slant curved surface of declivity that is all outer towards end and notch direction of preventing turning over cell body respectively, and is arranged at anti-cell body intermediate portion of turning over for installing the lower inserted part of straining reed;
Described clamping wedge comprises to be installed in anti-wedge main body of turning in cell body matchingly, be arranged at the two ends of wedge main body respectively and all turn over the upslope face in cell body bottom land direction and upper slant curved surface towards end is outer with preventing, and being arranged at upper inserted part corresponding to inserted part, wedge main body up and down;
Described wedge head screw rod comprises and runs through the anti-screw rod mobile jib turning over interstitial site between cell body bottom land and clamping wedge, is arranged at screw body one end and the wedge head all mated with upper and lower slope, and is arranged at the binodal thread section of the screw body the other end;
Described rotation voussoir comprises rotating main body, be arranged at rotating main body one end and the cone wedge surface all mated with upper and lower slant curved surface, with the cone coaxial setting of wedge surface mounting hole mate with screw body, and be arranged at the interior and binodal internal thread part mated with binodal thread section of mounting hole;
Described tension reed comprises the spring body be placed between upper and lower inserted part, to be arranged on spring body and for being socketed in the trepanning on wedge head screw rod, and to be arranged on spring body and respectively with upper hook body and the lower hook body of the clamping of upper and lower inserted part.
Further, described upper slant curved surface and lower slant curved surface form ringwise tilted conical surface jointly, and this tilted conical surface and described cone wedge surface match.
For the ease of connecting, with described, the shape of described wedge head also prevents that turning over cell body matches.
Further, described anti-bottom of turning in cell body between downslope face and lower slant curved surface is also provided with support platform.
Further, described support platform is provided with vertically the lower beam groove of the screw body for settling wedge head screw rod, described wedge main body is provided with the upper boom groove corresponding with lower beam groove vertically towards anti-turning on cell body bottom land side, and on this, lower beam groove forms the through hole holding screw rod mobile jib jointly.
Particularly, described binodal thread section is made up of the ends screw section arranged vertically successively from this end head, polished rod section and main thread section.
And, described binodal internal thread part is made up of the first internal thread part of axially-aligned, empty joint portion, the second internal thread part, wherein, the axial length in empty joint portion is not less than the axial length of ends screw section, and the axial length of the first internal thread part or the second internal thread part is not more than the axial length of polished rod section.
In order to connect better, the external diameter of described polished rod section and the thread root diameter of binodal thread section match, and the internal diameter in empty joint portion and the thread root diameter of binodal internal thread part match.
Conveniently operate, the other end of described rotating main body is provided with the deep gouge being convenient to tool operation.This deep gouge can adopt interior hex slot form, to provide larger choosing dress strength when dismounting, also can adopt straight groove form, so that use a word wrench operated widely, even sometimes can also replace operation with cutter; Can also adopt the form that interior hex slot and straight groove combine, with applicable multiple types of tools, the choosing of instrument when being convenient to practical operation, improves simple operation.
And it is equal corresponding so that install the mount inlet straining reed that the described anti-sidewall turning over cell body is provided with position and upper and lower inserted part.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention by arranging inserted part between wedge shape fixed groove and clamping wedge, and utilize the tension reed be socketed on screw rod to realize mutual traction balance between each assembly of locking strip, efficiently avoid and insert vertical the problem that the wedge shape assembly occurred in the application of locking strip opens impact insertion voluntarily, also make use of binodal internal thread part dexterously and binodal thread section forms screw thread escaping-proof structure simultaneously, produce thread engagement empty saving when screw rod and rotation voussoir are loosened cause slipping and realized preventing detachment function by screens mutual between screw thread, electric tool can be used to carry out quick despatch, substantially increase working efficiency, there is outstanding substantive distinguishing features and significant progress, and the present invention designs ingenious, structure is simple, convenient to use, be with a wide range of applications, be applicable to applying.
(2) the present invention utilizes the anti-cell body that turns over to settle clamping wedge and wedge head screw rod, effectively prevent the dislocation upset that each assembly produces because loosening, what ensure that locking strip regulates normally carries out, utilize corner angle outside cell body to improve and clamp the degree of friction between module simultaneously, the surface of contact between locking strip and module is also substantially increased on the basis strengthening the overall anti-upset of locking strip, only need common surface treatment just can meet the locking requirement of majority of case, and special surface treatment need not be needed as common locking strip.
(3) the present invention adopts the design of binodal thread section to also enhance screw-rod structure on the basis ensureing anticreep, and make screw-threaded coupling length longer, screw thread is stripped thread more not easily.
(4) wedge head screw rod of the present invention incorporates wedge head part on common screw in the past, makes assembly integration, reduces component count, assembling of being more convenient for, and makes the relative movement between each inclined-plane more smooth and easy.
(5) tension reed of the present invention adopts clamp connection structure, come and corresponding inserted part clamping respectively by the upper lower hook body that it is arranged, thus realize preventing turning over effective traction relation between cell body and wedge main body, and linked by the trepanning on reed and screw body, not only make to drop because of the loosening generating assembly of not locking between each assembly to lose or misplace and increase the situation of insertion, be highly suitable in the vertical insertion application of locking strip, but also the resilience that improve when unclamping locking strip, board of being more convenient for is removed stage makeup and costume; The quantity simultaneously straining reed in the present invention can also spring-back force needed for reality or increasing of component count and increase, and correspondingly the quantity of inserted part also can correspondingly increase up and down.
Accompanying drawing explanation
Fig. 1 is the structural representation of locking strip in prior art.
Fig. 2 is the disassemblying structure schematic diagram of locking strip in prior art.
Fig. 3 is using state schematic diagram of the present invention.
Fig. 4 is structural representation of the present invention.
Fig. 5 is explosive view of the present invention.
Fig. 6 is the sectional view rotating voussoir part in the present invention.
Fig. 7 is the structural representation of wedge shape fixed groove in the present invention.
Fig. 8 is the structural representation clamping wedge in the present invention.
Fig. 9 is the structural representation of wedge head screw rod in the present invention.
Figure 10 is the structural representation rotating voussoir in the present invention.
Figure 11 is the structural representation straining reed in the present invention.
Embodiment
Below in conjunction with drawings and Examples, the invention will be further described, and embodiments of the present invention include but not limited to the following example.
Embodiment
As shown in Figure 3, this at right angle setting locking strip, the clamping of the cabinet 6 and board 7 that are mainly used in military hardware is installed, especially the clamping when vertical insertion is installed, usually in the mounting groove that cabinet is preset, install locking strip to make it stably to remain in cabinet in order to clamp board, when board breaks down or this needs to safeguard, adjustment is unclamped locking strip and is taken off board.Due to existing locking strip structural design defect, dismantle according to electric tool, be easy to cause end voussoir to drop, thus cause board short circuit to break down, and when with Vertical direction plug locking strip, its voussoir part can be opened with Extreme breadth because of Action of Gravity Field, have a strong impact on the insertion of board, greatly increase board and insert difficulty, and this at right angle setting passes through structural design improvement cleverly with locking strip, effectively avoids this defect.
As shown in Fig. 4 to Figure 11, this at right angle setting locking strip, comprises interconnective wedge shape fixed groove 1, clamping wedge 2, wedge head screw rod 3, rotates voussoir 4 and the large assembly of tension reed 5 five; Specifically being constructed as follows of each assembly:
Wedge shape fixed groove 1, comprises and anti-turns over cell body 10, be arranged at respectively anti-turn over cell body bottom land two ends and the declivity domatic 11 in all outer towards end and notch direction and lower slant curved surface 12, and be arranged at anti-cell body intermediate portion of turning over for installing the lower inserted part 13 of straining reed.Wherein, the anti-square groove shape turning over cell body overall U-shaped, also be provided with support platform 14 in its bottom in declivity between domatic and lower slant curved surface, and for the ease of installing wedge head screw rod, support platform be provided with the lower beam groove 15 of the screw body for settling wedge head screw rod vertically; For the ease of installing tension reed, the anti-sidewall turning over cell body is also provided with the mount inlet 16 that position is all corresponding with upper and lower inserted part.
Clamping wedge 2, comprise and install in anti-wedge main body 20 of turning in cell body matchingly, be arranged at the two ends of wedge main body respectively and all outer towards end and anti-upslope face 21 and the upper slant curved surface 22 turning over cell body bottom land direction, and be arranged at upper inserted part 23 corresponding to inserted part, wedge main body up and down.Wherein, upper slant curved surface and lower slant curved surface form ringwise tilted conical surface jointly, upslope face and the large angle of wedge of the domatic formation of declivity; It prevents that the upper side turning over cell body is clamp face dorsad, it is provided with the upper boom groove 24 corresponding with lower beam groove vertically on anti-downside of turning over cell body bottom surface, can fit and can correspondingly when clamping be separated to support platform surface when loosening in this downside, on this, lower beam groove 24,15 forms the through hole holding screw rod mobile jib jointly.
Wedge head screw rod 3, comprises and runs through the anti-screw rod mobile jib 30 turning over interstitial site between cell body bottom land and clamping wedge, is arranged at screw body one end and the wedge head 31 all mated with upper and lower slope, and is arranged at the binodal thread section of the screw body the other end.Wherein, binodal thread section is made up of the ends screw section 32 arranged vertically successively from this end head, polished rod section 33 and main thread section 34; This wedge head is provided with two corresponding slopes with that clamp wedge upslope face respectively mating domatic with the declivity of wedge shape fixed groove, the width of its both lateral sides mates with the anti-groove insied width turning over cell body, therefore this wedge head embed wholly is prevented turning in cell body, match with the anti-domatic end of declivity turning over cell body.
Rotate voussoir 4, comprise rotating main body 40, be arranged at rotating main body one end and the cone wedge surface 41 all mated with upper and lower slant curved surface, with the cone coaxial setting of wedge surface and the mounting hole 42 mated with screw body, and be arranged at binodal internal thread part that is interior and that mate with binodal thread section.Wherein, the circular slanting conical surface that cone wedge surface and upper and lower slant curved surface are formed matches; Binodal internal thread part is made up of the first internal thread part 43 of axially-aligned, empty joint portion 44, second internal thread part 45, wherein, the axial length in empty joint portion 44 is not less than the axial length of ends screw section 32, and the axial length of the first internal thread part 43 is not more than the axial length of polished rod section 33.And the thread root diameter of the external diameter of polished rod section and binodal thread section matches, and the internal diameter in empty joint portion and the thread root diameter of binodal internal thread part match.For the design of mounting hole 42, can adopt blind hole form or through-hole form according to the actual requirements, time necessary, hole inwall can all take by binodal internal thread part.Conveniently operate, the other end of described rotating main body is provided with the deep gouge 46 being convenient to tool operation.The form that in the present embodiment, the preferred interior hex slot of this deep gouge and straight groove combine, with scalable application demand, for actual disassembling operations provides good convenience, the applied environment especially for racing against time in battlefield improves excellent guarantee.
Tension reed 5, comprises the spring body 50 be placed between upper and lower inserted part, to be arranged on spring body and for being socketed in the trepanning 51 on wedge head screw rod, and to be arranged on spring body and respectively with upper hook body 52 and the lower hook body 53 of the clamping of upper and lower inserted part.
During assembling, clamping wedge is placed in wedge shape fixed groove by the mode that above declivity is domatic and upper and lower slant curved surface is corresponding, and make upper and lower inserted part corresponding, now go up lower beam groove and also form consistent reach through hole, then tension reed to be snapped in upper and lower inserted part by the mount inlet on cell wall and made trepanning and this run through through hole and align, then insert wedge head screw rod from the through hole of upper and lower slope one end and make screw rod pass the trepanning strained reed, the binodal thread section of screw rod passes from upper and lower slant curved surface one end and is connected with rotation voussoir at this end, wherein the ends screw section of binodal thread section is threaded through the first internal thread part rotating voussoir and completes assembling, now all keep mutual tractive force between each assembly and be unlikely to because of loosen and assembly drops.
Under normally unclamping situation, tension reed makes to keep draw between wedge shape fixed groove and clamping wedge, can not because vertically placing time Action of Gravity Field produce and be separated, wedge head screw rod also keeps being socketed with tension reed, and rotation voussoir keeps being socketed because of the design of binodal thread section and wedge head screw rod.During use, locking strip entirety be placed in together with board in the mounting groove preset in cabinet, even locking strip is vertical state, each assembly on it also can not loosen and cause board to be difficult to the problem inserted; Make the slope on wedge head match corresponding with upper and lower slope after placing, then rotate voussoir and make ends screw section screw in the second internal thread part gradually, now main thread end screws in the first internal thread part, and between screw thread, occlusion ensures firm connection mutually; Therefore the Distance Shortened between wedge head and rotation voussoir, promote the elastic force that the clamping upslope face of wedge and upper slant curved surface make clamping wedge overcome tension reed thus to move to notch direction, protrude notch, whole locking strip is increased in the overall width of bottom land to notch direction, thus in the mounting groove of cabinet, realizes the locking to board.
When loosening, electric tool counterrotating can be utilized to rotate voussoir, after ends screw section exits the second internal thread part, main thread section also exits the first internal thread part, and now ends screw section is positioned at place of empty joint portion, polished rod section is corresponding with the first internal thread part, because the axial length at this place designs, make screw thread sky joint, then rotate then whole screw rod slipping, wedge head screw rod can't be made to deviate from fixing wedge, thus achieve anticreep.And owing to straining the elastic force effect of reed, clamping wedge can be made to strain in wedge shape fixed groove after wedge head and rotation voussoir loosen, be convenient to very much the taking-up of board.
The present invention designs ingenious, easy to use, has very high use value.
Above-described embodiment is only the preferred embodiments of the present invention, not limiting the scope of the invention, as long as adopt design principle of the present invention, and the change carried out non-creativeness work on this basis and make, all should belong within protection scope of the present invention.