CN104196371B - locking type glass door lock - Google Patents
locking type glass door lock Download PDFInfo
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- CN104196371B CN104196371B CN201410416282.3A CN201410416282A CN104196371B CN 104196371 B CN104196371 B CN 104196371B CN 201410416282 A CN201410416282 A CN 201410416282A CN 104196371 B CN104196371 B CN 104196371B
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- spring
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Abstract
A kind of locking type glass door lock, on twist wheel is provided with, under to being much of swing arm and lower swing arm and convex hook and limit convex post, rear, upper swing arm upper end is provided with the 1st spring reset device, the lower end front of lower swing arm is provided with the 2nd spring reset device, it is provided with guide path on slide block top, locating dowel, superimposed contact is mated with the locating dowel of set location bar, bar front end, location fixed orifices is flexibly connected with the fixing post of lock body, the arc collision district of location bar and lock gall boss sliding contact, location bar and lock body enclose and are provided with spring reset device between limit, slide block top guide path is slidably connected with the locating dowel of lock body, slide block rear end is provided with slip block, touch with the convex clasp joint of twist wheel and it is slidably connected, this slide block bottom is also provided with spring reset device. this door lock can make the contingent degree of wear between the axle of twist wheel with the axis hole mated mutually be down to minimum, extends its work-ing life widely, and can improve the firmness of door lock after locking widely, thus strengthens its anti-theft capability.
Description
Technical field
The present invention relates to glass door lock technology field, in particular to a kind of glass door lock.
Background technology
Existing a kind of glass door lock for setting up defences, its main function is locked into, locks and move back and lock, and owing to this lockset is Purely mechanical structure, is often applied in public place, therefore the open and close of lockset are very frequent. The twist wheel of this glass door lock only adopts a spring to do twist wheel reset, and under the unidirectional pressure effect of spring, heavy wear can occur after using for some time for the axle of twist wheel and axis hole and in oval shape, spring occurs fatigue, phenomenon of rupture too early. When heavy duty metal handle is particularly housed, owing to wall scroll spring pressure is in starting stage insufficient pressure, heavy duty metal handle can be sagging, in order to solve the sagging shortcoming of heavy duty metal handle, just only strengthen the pressure of this spring, thus, the abrasion between the axle of twist wheel and axis hole is more serious, even opens the door and there is potential safety hazard owing to the excessive children of spring pressure cannot twist handle. Easily there is mechanical fault and life-span short defect in above-mentioned glass door lock. The lock solid structure of above-mentioned glass door lock adopts location bar to add a locating dowel, forms locking function together with two planes friendships of the locating dowel after utilizing the pressure of spring the locating dowel of location bar to be locked with slide block are folded. After this lock locks, when dead bolt is subject to external impacts, there will be intensity difference, locating dowel distortion phenomenon of rupture, when the external pressure applied by dead bolt is greater than the movement pressure of location bar spring setting, location bar can automatically disengage in the superposed surfaces of two locating dowels, thus loses the antitheft function of locking.
Summary of the invention
It is an object of the invention to provide a kind of locking type glass door lock, it can make the contingent degree of wear between the axle of twist wheel with the axis hole mated mutually be down to minimum, thus, improve the use properties of glass door lock widely, and extend its work-ing life widely; The firmness of glass door lock after locking can also be improved widely simultaneously, thus, strengthen its anti-theft capability.
Technical solution proposed by the invention is such:
A kind of locking type glass door lock, comprise lock body 11, gland 29, the dead bolt running gear being contained in lock body 11, twist wheel 13 and lock gall 41, dead bolt running gear comprises dead bolt 14, slide block 12, 1st locating dowel 114 and the 2nd locating dowel 115, dead bolt 14 is fixed on slide block 12 leading section, 1st guide path 126 of slide block 12 and the 2nd guide path 127 respectively the 1st locating dowel 114 and the 2nd locating dowel 115 with being fixed in lock body 11 mate and be slidably connected, dead bolt 14 is positioned at lock body 11 leading section and encloses limit fore shaft 112 place, the axle of described twist wheel 13 is contained in the 1st axis hole 1112 being located on lock body 11 and the 2nd axis hole 291 being located on gland 29, described twist wheel 13 is provided with, under to being much of swing arm 132 and lower swing arm 131, convex hook 133 it is provided with on front side of twist wheel 13, after twist wheel 13, side is provided with limit convex post 134, upper swing arm 132 upper rear is provided with the 1st concave spherical surface 211, the lock body 11 at the 1st concave spherical surface 211 rear is provided with the 1st spring reset device, 1st guidepost 18 front end the 1st convex spherical 181 of the 1st spring reset device contacts connection with described 1st concave spherical surface 211 coupling,Described lower swing arm 131 lower-end front portion is provided with the 2nd concave spherical surface 221, the lock body 11 in the 2nd concave spherical surface 221 front is provided with the 2nd spring reset device, and the 2nd guidepost 19 rear end the 2nd convex spherical 191 of the 2nd spring reset device contacts connection with described 2nd concave spherical surface 221 coupling, also it is provided with location bar 15, this location bar 15 is provided with fixed orifices 153 from front to back successively, 4th spring hole 151, arc collision district 152, 5th locating dowel 154, 6th locating dowel 155, fixed orifices 153 is flexibly connected with the fixing post 116 in lock body 11, fixed orifices 153 is built with buffering rubber cushion 25, boss 421 sliding contact of arc collision district 152 and lock gall 41, enclose in the 4th spring hole 151 and lock body 11 and the 4th pressure spring 27 and the 3rd guidepost 28 are housed between limit, 5th locating dowel 154, 6th locating dowel 155 respectively with the 3rd locating dowel 123 of slide block 12, the 4th superimposed contact of locating dowel 122, described slide block 12 bottom is provided with the 3rd spring reset device, and slide block 12 upper rear end is provided with slip block 121, contacts with the convex hook 133 of twist wheel 13 and is slidably connected.
Described 1st spring reset device is arranged successively formed by the 1st guidepost 18, the 1st pressure spring 16, the 1st sleeve 23, the 1st spring support 1111 that is fixed on lock intracoelomic cavity 111,1st pressure spring 16 is inserted in the 1st guidepost 18 and is seated in the 1st sleeve 23, enclose corresponding position, limit at lock body 11 and it is provided with the 1st adjustment hole 1114, be provided with the 1st vision slit 1116 in lock intracoelomic cavity 111 corresponding position.
Described 2nd spring reset device is arranged successively formed by the 2nd guidepost 19, the 2nd pressure spring 17, the 2nd sleeve 24, the 2nd spring support 119 that is fixed on lock intracoelomic cavity 111,2nd pressure spring 17 is inserted in the 2nd guidepost 19 and is seated in the 2nd sleeve 24, enclose corresponding position, limit at lock body 11 and it is provided with the 2nd adjustment hole 1115, be provided with the 2nd vision slit 1117 in lock intracoelomic cavity 111 corresponding position.
In described twist wheel, swing arm 132 upper end has threaded hole and the 1st governing screw 21 is housed, 1st governing screw 21 head is provided with the 1st concave spherical surface 211, contact connection with the 1st convex spherical 181 coupling of described 1st guidepost 18, regulated the elastic force of the 1st pressure spring 16 by the 1st adjustment hole 1114, the 1st vision slit 1116 and the 1st governing screw 21.
Described twist wheel lower swing arm 131 bottom has threaded hole and the 2nd governing screw 22 is housed, 2nd governing screw 22 head is provided with the 2nd concave spherical surface 221, contact connection with the 2nd convex spherical 191 coupling of described 2nd guidepost 19, regulated the elastic force of the 2nd pressure spring 17 by the 2nd adjustment hole 1115, the 2nd vision slit 1117 and the 2nd governing screw 22.
In described twist wheel, behind swing arm 132 upper end, side is the 3rd concave spherical surface 136, contacts connection with the 1st convex spherical 181 coupling of described 1st guidepost 18.
On front side of described twist wheel lower swing arm 131 bottom, face is the 4th concave spherical surface 135, contacts connection with the 2nd convex spherical 191 coupling of described 2nd guidepost 19.
Before described slide block 12 top, rear horizontal position is respectively equipped with the 2nd guide path 127 and the 1st guide path 126, 2nd guide path 127 is slidably connected with the 2nd locating dowel 115 being located at lock intracoelomic cavity 111 top, 1st guide path 126 is slidably connected with the 1st locating dowel 114 being located at lock intracoelomic cavity 111 top, 1st guide path 126 lower horizontal position is also provided with the 3rd locating dowel 123, 4th locating dowel 122, the 1st reinforcement block 129 it is fixed with between the 3rd locating dowel 123 and the 4th locating dowel 122, slide block 12 upper rear end is provided with slip block 121, contact with the convex hook 133 of twist wheel 13 and it is slidably connected, also it is provided with lock in the 1st reinforcement block 129 front move back impingement area(s) 124 and be locked into impingement area(s) 125, slide block 12 bottom is provided with the 3rd spring reset device, by the 3rd spring chamber 128, 3rd pressure spring 26 and the 3rd spring support 117 form, the 3rd pressure spring 26 it is placed with in 3rd spring chamber 128, the 3rd spring support 117 being fixed on lock intracoelomic cavity 111 is positioned at the 3rd spring chamber 128 rearward end.
The rear end that the front end of described 3rd locating dowel 123 is provided with the 1st superposed surfaces the 1232,3rd locating dowel 123 is provided with the 2nd superposed surfaces 1231 and the 1st semicircle locating dowel 1211.
The rear end that the front end of described 4th locating dowel 122 is provided with the 3rd superposed surfaces the 1222,4th locating dowel 122 is provided with the 4th superposed surfaces 1221 and the 2nd semicircle locating dowel 1212.
The central authorities of tobacco pipe portion being recessed into and being positioned at tobacco pipe shape groove 1213 in the 7th locating dowel 120 of slide block 12 subject plane and tobacco pipe shape groove the 1213,7th locating dowel 120 of recessed slide block 12 main body also it are provided with between described slide block 12 the 1st guide path 126 and the 2nd guide path 127.
The rear end that the front end of described 7th locating dowel 120 is provided with the 5th superposed surfaces the 1202,7th locating dowel 120 is provided with the 6th superposed surfaces 1201.
The 3rd semicircle location groove 1203 it is provided with in the bottom of described 6th superposed surfaces 1201.
Bar 15 leading section, described location is provided with fixed orifices 153, it is flexibly connected with the fixing post 116 of lock intracoelomic cavity 111 and buffering rubber cushion 25, in the bar 15 of location, bottom is provided with arc collision district 152, with lock gall boss 421 sliding contact, in the bar 15 of location, top is provided with the 4th spring hole 151, 4th spring hole 151 is built with the 4th pressure spring 27 and the 3rd guidepost 28, enclose limit with the lock body 11 corresponding to the 4th spring hole 151 and contact connection, location bar 15 rear lower level attitude is respectively equipped with the 5th locating dowel 154, 6th locating dowel 155, the 2nd reinforcement block 159 it is fixed with between the 5th locating dowel 154 and the 6th locating dowel 155, 5th locating dowel 154 is provided with the 1st below 1541, 1542 and the 1st semicircle location groove 157 and the 1st bottom surface 1543 before 1st, 6th locating dowel 155 is provided with the 2nd below 1551, 1552 and the 2nd semicircle location groove 158 and the 2nd bottom surface 1553 before 2nd.
Location bar 15 main body inner central between the 5th locating dowel 154 and arc collision district 152 of location bar 15 is provided with the 8th locating dowel 150 of protrusion, 8th locating dowel 150 is provided with the 3rd below 1501, contact superimposed with the 5th superposed surfaces 1202 of the 7th locating dowel 120 of described slide block 12,8th locating dowel 150 is provided with the 3rd above 1502, contacting superimposed with the 6th superposed surfaces 1201 of the 7th locating dowel 120 of described slide block 12, described 8th locating dowel 150 is mated with the tobacco pipe shape groove 1213 of described slide block 12 and is slidably connected.
The 3rd of described 8th locating dowel 150 is provided with the 3rd semicircle locating dowel 1503 in 1502 bottoms above, and location semicircle with the 3rd of the 7th locating dowel 120 of described slide block 12 the groove 1203 coupling contacts.
Described lock gall 41 is provided with cam 42 and turns round hand 43, cam 42 top is provided with boss 421, this boss 421 upper surface arranged on left and right sides is respectively equipped with boss left side 422 and boss right edge 423, boss left side 422 and slide block are locked into impingement area(s) 125 and touch, and boss right edge 423 is moved back impingement area(s) 124 with slide block lock and touched.
Compared with prior art, the present invention has following unusual effect:
The gordian technique of the present invention is that twist wheel is provided with two symmetrical upper and lower swing arms, and rear, the face, front side of upper and lower swing arm end are respectively provided with a concave spherical surface, and the lock body corresponding with two concave spherical surfaces is respectively equipped with spring reset device. When twist wheel is torqued into limit point under external force, two groups of spring reset devices utilize the convex spherical of two guiding cores to produce reaction force acts in the concave spherical surface of the upper and lower swing arm of twist wheel simultaneously, and twist wheel is resetted to counter-rotation. Owing to have employed two spring reset apparatus structures that symmetry is arranged, twist wheel is all subject to one pair of moment loading that direction is contrary, size is identical in torsion with reseting procedure, the axle of twist wheel is made to be positioned at the center of axis hole all the time, avoid the bias of axle and axis hole, under the effect of two spring reset devices of symmetry, frictional force between the axle of twist wheel and axis hole is significantly reduced, thus the degree of wear is down to minimum. It is be remain in camber line moving process that guiding core with spring reset device, pressure spring become a rectilinear movement to solve concave spherical surface when twist wheel is rotated that the upper and lower swing arm end of twist wheel is provided with concave spherical surface. Meanwhile, for ensureing that pressure spring remains rectilinear movement in compression and reseting procedure, therefore leading in core insertion pressure spring, shaping-orientation core head is convex spherical, and contacts connection with twist wheel swing arm end concave spherical surface coupling. For making pressure spring keep rectilinear movement, and pressure spring is seated in sleeve. Spring reset device can be selected following wherein a kind of assembling mode: the first, the swing arm end of spring reset device is provided with the governing screw of adjustable springs pressure; 2nd kind, the swing arm end of spring reset device is provided with cannot the spring support of regulating spring pressure.
In order to improve the safety performance of locking, another gordian technique of the present invention is that slide block is provided with the 3rd, 4th, 7th locating dowel, in the bar of location, it is provided with the 5th simultaneously, 6th, 8th locating dowel, after locking between the 3rd locating dowel and the 5th locating dowel, between 4th locating dowel and the 6th locating dowel, superimposed structure is formed between 7th locating dowel and the 8th locating dowel, the locating dowel of slide block locking and the locating dowel of location bar are provided with respectively and prevent from locating the semicircle locating dowel that displacement occurs under bar is subject to external force effect and semicircle location groove, in order to the anti-external impact force intensity further strengthened between slide block locating dowel and the locating dowel locating bar, adopt one piece to strengthen block between two locating dowels of slide block and connected body in the main body of slide block, locate bar also also adopts one piece of reinforcement block to be connected body in the main body of location bar simultaneously between two locating dowels, make it that there is powerful anti-external impact force intensity, thus improve the firmness after locking and anti-theft capability widely.
2nd kind is the 8th locating dowel removed the 7th locating dowel being located on slide block 12 and remove on the bar 15 of location about the safe structure of locking, retains on the 3rd, the 4th locating dowel being arranged at slide block 12 and location bar 15 the 5th, the 6th locating dowel arranged. Said structure is comparatively simple, and anti-external impact force intensity is not as the 1st kind of safe structure of locking. 3rd kind is remove the semicircle location groove of the 7th locating dowel being located on slide block 12 and be located at the semicircle locating dowel of the 8th locating dowel located on bar 15 about the safe structure of locking, the the 5th, the 6th locating dowel retaining the 3rd, the 4th locating dowel being arranged at slide block 12 and arrange on the bar 15 of location, the anti-external impact force strength ratio of this kind of structure the 2nd kind of structure can be more quite a lot of, but this 1st kind of structure to be differed from.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of locking type glass door lock of one embodiment of the invention, removes gland in figure.
Fig. 2 is the structural representation of the body of lock shown in Fig. 1.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of glass door lock shown in Fig. 1, and shown in figure, two spring reset devices are equipped with governing screw and adjustment hole.
Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of glass door lock shown in Fig. 1, and shown in figure, two spring reset devices do not establish governing screw and adjustment hole.
Fig. 5 is the structural representation of slide block shown in Fig. 1.
Fig. 6 is the structural representation of the bar of location shown in Fig. 1.
Fig. 7 is the gland structure schematic diagram of glass door lock shown in Fig. 1.
Fig. 8 is the lock gall structural representation being contained in the lock gall of glass door lock shown in Fig. 1 hole.
Fig. 9 is the structural representation being provided with the 7th locating dowel and tobacco pipe shape groove in slide block shown in Fig. 5.
Figure 10 is the structural representation being provided with the 8th locating dowel in the bar of location shown in Fig. 6.
Figure 11 is the structural representation that the 6th superposed surfaces bottom of the 7th locating dowel in slide block shown in Fig. 9 is provided with the 3rd semicircle locating slot.
Figure 12 is the structural representation that the 3rd front lower of the 8th locating dowel in the bar of location shown in Figure 10 is provided with the 3rd semicircle locating dowel.
Shown in figure: 11, lock body; 111, intracoelomic cavity is locked; 112, limit fore shaft is enclosed; 113, screw hole; 114, the 1st locating dowel; 115, the 2nd locating dowel; 116, fixing post; 117, the 3rd spring support; 118, spacing post; 119, the 2nd spring support; 1111, the 1st spring support; 1112, the 1st axis hole; 1113, lock gall hole; 1114, the 1st adjustment hole; 1115, the 2nd adjustment hole; 1116, the 1st vision slit; 1117, the 2nd vision slit; 12, slide block; 121, slip block; 1211, the 1st semicircle locating dowel; 1212, the 2nd semicircle locating dowel; 122, the 4th locating dowel; 1221, the 4th superposed surfaces; 1222, the 3rd superposed surfaces; 120, the 7th locating dowel; 1201, the 6th superposed surfaces; 1202, the 5th superposed surfaces; 1203, the 3rd semicircle location groove; 1213, tobacco pipe shape groove; 123, the 3rd locating dowel; 1231, the 2nd superposed surfaces; 1232, the 1st superposed surfaces; 124, lock moves back impingement area(s); 125, it is locked into impingement area(s); 126, the 1st guide path; 127, the 2nd guide path; 128, the 3rd spring chamber; 129, the 1st reinforcement block; 1291, outer side; 13, twist wheel; 131, lower swing arm; 132, upper swing arm; 133, convex hook; 134, limit convex post; 135, the 4th concave spherical surface; 136, the 3rd concave spherical surface; 14, dead bolt; 15, bar is located; 151, the 4th spring hole; 152, arc collision district; 153, fixed orifices; 154, the 5th locating dowel; 1541, after the 1st; 1542, before the 1st; 1543, the 1st bottom surface;155, the 6th locating dowel; 1551, after the 2nd; 1552, before the 2nd; 1553, the 2nd bottom surface; 150, the 8th locating dowel; 1501, after the 3rd; 1502, before the 3rd; 1503, the 3rd semicircle locating dowel; 157, the 1st semicircle location groove; 158, the 2nd semicircle location groove; 159, the 2nd reinforcement block; 16, the 1st pressure spring; 17, the 2nd pressure spring; 18, the 1st guidepost; 181, the 1st convex spherical; 19, the 2nd guidepost; 191, the 2nd convex spherical; 21, the 1st governing screw; 211, the 1st concave spherical surface; 22, the 2nd governing screw; 221 the 2nd concave spherical surfaces; 23, the 1st sleeve; 24, the 2nd sleeve; 25, rubber cushion is cushioned; 26, the 3rd pressure spring; 27, the 4th pressure spring; 28, the 3rd guidepost; 29, gland; 291, the 2nd axis hole; 41, lock gall; 42, cam; 421, boss; 422, boss left side; 423, boss right edge; 43, hand is turned round.
Embodiment
By embodiment below, the present invention is further elaborated.
Embodiment 1:
Shown in Fig. 1-Fig. 8, a kind of locking type glass door lock forms primarily of lock body 11, gland 29, the dead bolt running gear being contained in lock body 11, twist wheel 13 and the 1st spring reset device, the 2nd spring reset device, location bar 15 and lock gall 41. dead bolt running gear comprises dead bolt 14, slide block 12, the 1st locating dowel 114 and the 2nd locating dowel 115, dead bolt 14 is fixed on slide block 12 leading section, 1st guide path 126 of slide block 12 and the 2nd guide path 127 respectively the 1st locating dowel 114 and the 2nd locating dowel 115 with being fixed in lock body 11 mate and is slidably connected, dead bolt 14 is positioned to be locked body 11 leading section and encloses limit fore shaft 112 place. the axle of twist wheel 13 is contained in the 1st axis hole 1112 being located on lock body 11 and the 2nd axis hole 291 being located on gland 29. twist wheel 13 is provided with upper and lower to being much of swing arm 132 and lower swing arm 131, convex hook 133 it is provided with on front side of twist wheel 13, after twist wheel 13, side is provided with limit convex post 134, upper swing arm 132 upper rear is provided with the 1st concave spherical surface 211, the lock body 11 at the 1st concave spherical surface 211 rear is provided with the 1st spring reset device, and the 1st guidepost 18 front end the 1st convex spherical 181 of the 1st spring reset device contacts connection with described 1st concave spherical surface 211 coupling, lower swing arm 131 lower-end front portion is provided with the 2nd concave spherical surface 221, the lock body 11 in the 2nd concave spherical surface 221 front is provided with the 2nd spring reset device, and the 2nd guidepost 19 rear end the 2nd convex spherical 191 of the 2nd spring reset device contacts connection with described 2nd concave spherical surface 221 coupling. also it is provided with location bar 15, this location bar 15 is provided with fixed orifices 153 from front to back successively, 4th spring hole 151, arc collision district 152, 5th locating dowel 154, 6th locating dowel 155, fixed orifices 153 is flexibly connected with the fixing post 116 in lock body 11, fixed orifices 153 is built with buffering rubber cushion 25, boss 421 sliding contact of arc collision district 152 and lock gall 41, enclose in the 4th spring hole 151 and lock body 11 and the 4th pressure spring 27 and the 3rd guidepost 28 are housed between limit, 5th locating dowel 154, 6th locating dowel 155 respectively with the 3rd locating dowel 123 of slide block 12, the 4th superimposed contact of locating dowel 122. slide block 12 bottom is provided with the 3rd spring reset device, and slide block 12 upper rear end is provided with slip block 121, contacts with the convex hook 133 of twist wheel 13 and is slidably connected.
1st spring reset device is arranged successively formed by the 1st guidepost 18, the 1st pressure spring 16, the 1st sleeve 23, the 1st spring support 1111 that is fixed on lock intracoelomic cavity 111,1st pressure spring 16 is inserted in the 1st guidepost 18 and is seated in the 1st sleeve 23, enclose corresponding position, limit at lock body 11 and it is provided with the 1st adjustment hole 1114, be provided with the 1st vision slit 1116 in lock intracoelomic cavity 111 corresponding position.
2nd spring reset device is arranged successively formed by the 2nd guidepost 19, the 2nd pressure spring 17, the 2nd sleeve 24, the 2nd spring support 119 that is fixed on lock intracoelomic cavity 111,2nd pressure spring 17 is inserted in the 2nd guidepost 19 and is seated in the 2nd sleeve 24, enclose corresponding position, limit at lock body 11 and it is provided with the 2nd adjustment hole 1115, be provided with the 2nd vision slit 1117 in lock intracoelomic cavity 111 corresponding position.
Wherein a kind of structure is: in twist wheel, swing arm 132 upper end has threaded hole and the 1st governing screw 21 is housed, 1st governing screw 21 head is provided with the 1st concave spherical surface 211, contact connection with the 1st convex spherical 181 coupling of the 1st guidepost 18, regulated the elastic force of the 1st pressure spring 16 by the 1st adjustment hole 1114, the 1st vision slit 1116 and the 1st governing screw 21.
Have threaded hole in twist wheel lower swing arm 131 bottom and the 2nd governing screw 22 is housed, 2nd governing screw 22 head is provided with the 2nd concave spherical surface 221, contact connection with the 2nd convex spherical 191 coupling of the 2nd guidepost 19, regulated the elastic force of the 2nd pressure spring 17 by the 2nd adjustment hole 1115, the 2nd vision slit 1117 and the 2nd governing screw 22.
Another kind of structure is: in twist wheel, behind swing arm 132 upper end, side is the 3rd concave spherical surface 136, contacts connection with the 1st convex spherical 181 coupling of the 1st guidepost 18. On front side of twist wheel lower swing arm 131 bottom, face is the 4th concave spherical surface 135, contacts connection with the 2nd convex spherical 191 coupling of the 2nd guidepost 19.
Before slide block 12 top, rear horizontal position is respectively equipped with the 2nd guide path 127 and the 1st guide path 126, 2nd guide path 127 is slidably connected with the 2nd locating dowel 115 being located at lock intracoelomic cavity 111 top, 1st guide path 126 is slidably connected with the 1st locating dowel 114 being located at lock intracoelomic cavity 111 top, 1st guide path 126 lower horizontal position is also provided with the 3rd locating dowel 123 and the 4th locating dowel 122, the 1st reinforcement block 129 it is fixed with between the 3rd locating dowel 123 and the 4th locating dowel 122, slide block 12 upper rear end is provided with slip block 121, contact with the convex hook 133 of twist wheel 13 and it is slidably connected, also it is provided with lock in the 1st reinforcement block 129 front move back impingement area(s) 124 and be locked into impingement area(s) 125, slide block 12 bottom is provided with the 3rd spring reset device, by the 3rd spring chamber 128, 3rd pressure spring 26 and the 3rd spring support 117 form, the 3rd pressure spring 26 it is placed with in 3rd spring chamber 128, the 3rd spring support 117 being fixed on lock intracoelomic cavity 111 is positioned at the 3rd spring chamber 128 rearward end.
The rear end being provided with the 1st superposed surfaces the 1232,3rd locating dowel 123 in the front end of the 3rd locating dowel 123 is provided with the 2nd superposed surfaces 1231 and the 1st semicircle locating dowel 1211. The rear end that the front end of the 4th locating dowel 122 is provided with the 3rd superposed surfaces the 1222,4th locating dowel 122 is provided with the 4th superposed surfaces 1221 and the 2nd semicircle locating dowel 1212.
Bar 15 leading section, location is provided with fixed orifices 153, it is flexibly connected with the fixing post 116 of lock intracoelomic cavity 111 and buffering rubber cushion 25, in the bar 15 of location, bottom is provided with arc collision district 152, with lock gall boss 421 sliding contact, in the bar 15 of location, top is provided with the 4th spring hole 151, 4th spring hole 151 is built with the 4th pressure spring 27 and the 4th guidepost 28, enclose limit with the lock body 11 corresponding to the 4th spring hole 151 and contact connection, location bar 15 rear lower level attitude is respectively equipped with the 5th locating dowel 154, 6th locating dowel 155, the 2nd reinforcement block 159 it is fixed with between the 5th locating dowel 154 and the 6th locating dowel 155, 5th locating dowel 154 is provided with the 1st below 1541, 1542 and the 1st semicircle location groove 157 and the 1st bottom surface 1543 before 1st, 6th locating dowel 155 is provided with the 2nd below 1551, 1552 and the 2nd semicircle location groove 158 and the 2nd bottom surface 1553 before 2nd.
Lock gall 41 is provided with cam 42 and turns round hand 43, cam 42 top is provided with boss 421, this boss 421 upper surface arranged on left and right sides is respectively equipped with boss left side 422 and boss right edge 423, boss left side 422 and slide block are locked into impingement area(s) 125 and touch, and boss right edge 423 is moved back impingement area(s) 124 with slide block lock and touched. Lock gall 41 is contained in the lock gall hole 1113 of lock intracoelomic cavity 111, and is screwed on the screw hole 113 of lock intracoelomic cavity 111.
This lock working process is as follows:
Closing condition
User chooses the lock gall 41 for locking in body 11, lock gall is turned round after hand 43 applies the arc collision district 152 that torsion makes to touch in lock gall boss 412 twist process jack-up location bar 15, the 1st of 5th locating dowel 154 of location bar 15 below 1541, after the 2nd of 6th locating dowel 155,1551 depart from the 1st superposed surfaces 1232 of the 3rd locating dowel 123 of slide block 12 respectively, 3rd superposed surfaces 1222 of the 4th locating dowel 122, now lock gall boss left side 422 reverse again touch slide block 12 be locked into impingement area(s) 125 after the main body of slide block 12 is driven forwards, 4th pressure spring 27 of location bar 15 carries out resetting to pressing down, stop resetting when locating the 1st bottom surface 1543 of the 5th locating dowel 154 of bar 15 and the 2nd bottom surface 1553 of the 6th locating dowel 155 touches the outer side 1291 of the 1st reinforcement block 129 of slide block 12. clash into or during twist operation when dead bolt 14 or twist wheel 13 are subject to outer reactive force, the 3rd superposed surfaces 1222 of the 4th locating dowel 122 of slide block 12, the 1st superposed surfaces 1232 of the 3rd locating dowel 123 immediately with the 2nd of the 6th locating dowel 155 of location bar 15 below 1551 with the 1st of the 5th locating dowel 154 below 1541 superimposed together with realize locking function. simultaneously the 1st of slide block 12 the semicircle locating dowel 1211, the 2nd semicircle locating dowel 1212 hook in the 1st semicircle location groove 157 of location bar 15, the 2nd semicircle location groove 158 respectively to prevent dead bolt 14 locates the function that bar 15 dislocates outer shifting and lose positioning locking under being subject to stronger external force effect.
Open state
Lock gall cam 42 is applied outer torsion toward opposite direction by user, after making the arc touching jack-up location bar 15 in lock gall boss 421 twist process collide district 152, the 1st of 5th locating dowel 154 of location bar 15 above 1542, 2nd superposed surfaces 1231 of the 3rd locating dowel 123 of 1552 disengaging slide blocks 12 before the 2nd of 6th locating dowel 155, the superposed surfaces 1221 of the 4th locating dowel 122, now lock gall boss right edge 423 is reversed the lock touching slide block 12 again and is moved back impingement area(s) 124, slide block 12 main body is moved backward to location bar 15 the 5th locating dowel 154 the 1st below 1541, the 2nd of 6th locating dowel 155 below 1551 time, the main body of location bar 15 is resetted downwards by the reactive force of the 4th pressure spring 27, make the 1st superposed surfaces 1232 of the 3rd locating dowel 123 of slide block 12, the 1st of 5th locating dowel 154 of the 3rd superposed surfaces 1222 of the 4th locating dowel 122 and location bar 15 below 1541, the 2nd of 6th locating dowel 155 below 1551 be superimposed together after, 1st guide path 126 leading section of slide block 12 contacts stop with the 1st locating dowel 114 being fixed on lock intracoelomic cavity 111 with the 2nd locating dowel 115 with the 2nd guide path 127 leading section, lock is opened.
When twist wheel 13 is reversed to direction of unblanking, the convex hook 133 of twist wheel 13 touches the slip block 121 of slide block 12, the limit convex post 134 of twist wheel 13 stops twisting after touching the spacing post 118 locking intracoelomic cavity 111, now slide block 12 main body and dead bolt 14 move to lock backward and give up the throne and put, and door just can be opened.Twist wheel 13 is resetted by the 1st spring reset device and the 2nd spring reset device after being reversed by operation.
It is locked into lock and moves back state
When jack-up is not collided by the boss 421 of lock gall 41 by the arc collision district 152 locating bar 15, namely lockset is still in the state of opening, and the main body of slide block 12 stays in the interval being locked into and locking and move back, when being locked into, dead bolt 14 collides in the insertion box of the buckle box of lock tongue on doorframe, thus the function that realization is locked into. When lock moves back, external force need to be applied and act on twist wheel 13, continue in the process rotated in twist wheel 13, the convex hook 133 of twist wheel 13 moves gradually and dead bolt 14 is exited outside the dead bolt box of doorframe by the slip block 121 that presses to slide block 12, twist wheel 13 is in rotary course, stopping when the limit convex post 134 of twist wheel 13 touches the 1st spacing post 118 rotating, now dead bolt 14 has been retracted in lock-tongue port 112, and lock body is in lock and moves back state. When twist wheel 13 loses after outer reactive force or outer reactive force is less than default spring pressure, 1st, twist wheel 13 is resetted by the 2nd spring reset device, slide block 12 is reset to the interval locked and move back and be locked into by the main body of slide block 12 under the elastic force effect of the 3rd pressure spring 26, waits operation next time.
Buffering adhesive pad 25 is loaded in the fixed orifices 153 of location bar 15, the effect of this buffering rubber cushion 25 is when slide block 12 is locked into, fast slide block 12 can be moved forward under the elastic force effect of the 3rd pressure spring 26, in the process, 1st superposed surfaces 1232 of the 3rd locating dowel 123, 3rd superposed surfaces 1222 of the 4th locating dowel 122 can strike the 1st below 1541 of the 5th locating dowel 154 of location bar 15 respectively, the 2nd of 6th locating dowel 155 below 1551 and produce certain surging force, the fixed orifices 153 of location bar 15 is also impacted, now absorb impact force by buffering rubber cushion 25, thus reach the good result of noise and the resonance sound produced after reduction is impacted.
As mentioned above, when user selects the lock gall of not congenerous, as without the key of key lock gall, cam, band boss or be same as above-mentioned lock gall function other arrange time, just change inner chamber lock gall hole 1113 shape of lock body 11, lock body other settings, accessory, functions etc. can not change, its closedown locked, open, be locked into, to lock the state of moving back same as described above.
Embodiment 2:
Shown in Fig. 9, Figure 10, the structure of the locking type glass door lock of the present embodiment and the locking type glass door lock structure of embodiment 1 are basically identical, its difference is: be also provided with the central authorities of tobacco pipe portion being recessed into and being positioned at tobacco pipe shape groove 1213 in the 7th locating dowel 120 of slide block 12 subject plane and tobacco pipe shape groove the 1213,7th locating dowel 120 of recessed slide block 12 main body between slide block 12 the 1st guide path 126 and the 2nd guide path 127. The rear end that the front end of the 7th locating dowel 120 is provided with the 5th superposed surfaces the 1202,7th locating dowel 120 is provided with the 6th superposed surfaces 1201.
Location bar 15 main body inner central between the 5th locating dowel 154 and arc collision district 152 of location bar 15 is provided with the 8th locating dowel 150 of protrusion, 8th locating dowel 150 is provided with the 3rd below 1501, contact superimposed with the 5th superposed surfaces 1202 of the 7th locating dowel 120 of slide block 12,8th locating dowel 150 is provided with the 3rd above 1502, contacting superimposed with the 7th locating dowel 120 the 6th superposed surfaces 1201 of slide block 12, the 8th locating dowel 150 is mated with the tobacco pipe shape groove 1213 of slide block 12 and is slidably connected.
This lock working process is as follows:
Closing condition
Working process is substantially the same manner as Example 1, owing to having set up the 7th locating dowel 120 and tobacco pipe shape groove 1213 at slide block 12, in location, the 8th locating dowel 150 set up by bar 15, therefore difference is: during closing condition, the 3rd of 8th location bar 150 of location bar 15 below 1501 also departs from the 5th superposed surfaces 1202 of the 7th locating dowel 120 of slide block 12, and the 3rd of the 6th superposed surfaces 1201 of the 7th locating dowel 120 of slide block 12 and the 8th locating dowel 150 of location bar 15 1502 superimposed realizes locking function above.
The lock of this locking energy force rate embodiment 1 bearing stronger external impacts under being locked in closing condition is more powerful.
Open state
Working process is substantially the same manner as Example 1, owing to having set up the 7th locating dowel 120, tobacco pipe shape groove the 1213 and the 8th locating dowel 150, therefore difference is: when opening state, 6th superposed surfaces 1201 of the 7th locating dowel 120 of 1502 disengaging slide blocks 12 before the 3rd of 8th locating dowel 150 of location bar 15, when slide block 12 main body move backward to location bar 15 the 8th locating dowel 150 the 3rd below 1501 time, 5th superposed surfaces 1202 of the 7th locating dowel 120 of slide block 12 1501 is superimposed together below with the 3rd of the 8th locating dowel 150 of location bar 15, and lock is opened.
It is locked into lock and moves back state
Working process is substantially the same manner as Example 1.
Embodiment 3:
Shown in Figure 11, Figure 12, the structure of the locking type glass door lock of the present embodiment is substantially identical with the locking type glass door lock structure of embodiment 2, the 3rd semicircle location groove 1203 is only had additional in the bottom of the 6th superposed surfaces 1201 of the 7th locating dowel 120 of slide block 12, before the 3rd of location bar 15 the 8th locating dowel 150 the, 1502 bottoms have additional the 3rd semicircle locating dowel 1503, in working process, both abut against meeting coupling. During closing condition, the 3rd semicircle locating dowel 1503 and the 3rd semicircle location groove 1203 phase hook, to prevent location bar 15 is dislocated outer shifting and is lost positioning locking function when dead bolt 14 is subject to stronger external force effect.
Comprehensive, the locking type glass door lock positioning locking function of embodiment 3 is the most powerful, and the locking type glass door lock of embodiment 2 takes second place, and the locking type glass door lock of embodiment 1 is comparatively more weak, but structure is simpler.
Claims (16)
1. a locking type glass door lock, comprise lock body (11), gland (29), the dead bolt running gear being contained in lock body (11), twist wheel (13) and lock gall (41), dead bolt running gear comprises dead bolt (14), slide block (12), 1st locating dowel (114) and the 2nd locating dowel (115), dead bolt (14) is fixed on slide block (12) leading section, 1st guide path (126) of slide block (12) and the 2nd guide path (127) mate with the 1st locating dowel (114) being fixed in lock body (11) and the 2nd locating dowel (115) respectively and are slidably connected, dead bolt (14) is positioned at lock body (11) leading section and encloses limit fore shaft (112) place, the axle of described twist wheel (13) is contained in the 1st axis hole (1112) being located on lock body (11) and the 2nd axis hole (291) being located on gland (29), it is characterized in that: described twist wheel (13) is provided with, under to being much of swing arm (132) and lower swing arm (131), twist wheel (13) front side is provided with convex hook (133), twist wheel (13) is provided with limit convex post (134) in side afterwards, upper swing arm (132) upper rear is provided with the 1st concave spherical surface (211), the lock body (11) at the 1st concave spherical surface (211) rear is provided with the 1st spring reset device, 1st guidepost (18) front end the 1st convex spherical (181) of the 1st spring reset device contacts connection with described 1st concave spherical surface (211) coupling, described lower swing arm (131) lower-end front portion is provided with the 2nd concave spherical surface (221), the lock body (11) in the 2nd concave spherical surface (221) front is provided with the 2nd spring reset device, and the 2nd guidepost (19) rear end the 2nd convex spherical (191) of the 2nd spring reset device contacts connection with described 2nd concave spherical surface (221) coupling, also it is provided with location bar (15), this location bar (15) is provided with fixed orifices (153) from front to back successively, 4th spring hole (151), arc collision district (152), 5th locating dowel (154), 6th locating dowel (155), fixed orifices (153) is flexibly connected with the fixing post (116) in lock body (11), buffering adhesive pad (25) is loaded in fixed orifices (153), boss (421) sliding contact of arc collision district (152) and lock gall (41), enclose in the 4th spring hole (151) and lock body (11) and the 4th pressure spring (27) and the 3rd guidepost (28) are housed between limit, 5th locating dowel (154), 6th locating dowel (155) contacts with the 4th locating dowel (122) is superimposed with the 3rd locating dowel (123) of slide block (12) respectively,Described slide block (12) bottom is provided with the 3rd spring reset device, and slide block (12) upper rear end is provided with slip block (121), contacts with the convex hook (133) of twist wheel (13) and is slidably connected.
2. locking type glass door lock according to claim 1, it is characterized in that: described 1st spring reset device is arranged successively formed by the 1st guidepost (18), the 1st pressure spring (16), the 1st sleeve (23), the 1st spring support (1111) that is fixed on lock intracoelomic cavity (111), 1st pressure spring (16) is inserted in the 1st guidepost (18) and is seated in the 1st sleeve (23), enclose corresponding position, limit at lock body (11) and it is provided with the 1st adjustment hole (1114), be provided with the 1st vision slit (1116) in lock intracoelomic cavity (111) corresponding position.
3. locking type glass door lock according to claim 1, it is characterized in that: described 2nd spring reset device is arranged successively formed by the 2nd guidepost (19), the 2nd pressure spring (17), the 2nd sleeve (24), the 2nd spring support (119) that is fixed on lock intracoelomic cavity (111), 2nd pressure spring (17) is inserted in the 2nd guidepost (19) and is seated in the 2nd sleeve (24), enclose corresponding position, limit at lock body (11) and it is provided with the 2nd adjustment hole (1115), be provided with the 2nd vision slit (1117) in lock intracoelomic cavity (111) corresponding position.
4. locking type glass door lock according to claim 2, it is characterized in that: swing arm in described twist wheel (132) upper end has threaded hole and the 1st governing screw (21) is housed, 1st governing screw (21) head is provided with the 1st concave spherical surface (211), contact connection with the 1st convex spherical (181) coupling of described 1st guidepost (18), regulated the elastic force of the 1st pressure spring (16) by the 1st adjustment hole (1114), the 1st vision slit (1116) and the 1st governing screw (21).
5. locking type glass door lock according to claim 3, it is characterized in that: described twist wheel lower swing arm (131) bottom has threaded hole and the 2nd governing screw (22) is housed, 2nd governing screw (22) head is provided with the 2nd concave spherical surface (221), contact connection with the 2nd convex spherical (191) coupling of described 2nd guidepost (19), regulated the elastic force of the 2nd pressure spring (17) by the 2nd adjustment hole (1115), the 2nd vision slit (1117) and the 2nd governing screw (22).
6. locking type glass door lock according to claim 1, it is characterised in that: behind swing arm in described twist wheel (132) upper end, side is the 3rd concave spherical surface (136), contacts connection with the 1st convex spherical (181) coupling of described 1st guidepost (18).
7. locking type glass door lock according to claim 1, it is characterised in that: on front side of described twist wheel lower swing arm (131) bottom, face is the 4th concave spherical surface (135), contacts connection with the 2nd convex spherical (191) coupling of described 2nd guidepost (19).
8. locking type glass door lock according to claim 1, it is characterized in that: before described slide block (12) top, rear horizontal position is respectively equipped with the 2nd guide path (127) and the 1st guide path (126), 2nd guide path (127) is slidably connected with the 2nd locating dowel (115) being located at lock intracoelomic cavity (111) top, 1st guide path (126) is slidably connected with the 1st locating dowel (114) being located at lock intracoelomic cavity (111) top, 1st guide path (126) lower horizontal position is also provided with the 3rd locating dowel (123), 4th locating dowel (122), the 1st reinforcement block (129) it is fixed with between the 3rd locating dowel (123) and the 4th locating dowel (122), slide block (12) upper rear end is provided with slip block (121), contact with the convex hook (133) of twist wheel (13) and it is slidably connected, also it is provided with lock in the 1st reinforcement block (129) front move back impingement area(s) (124) and be locked into impingement area(s) (125), slide block (12) bottom is provided with the 3rd spring reset device, by the 3rd spring chamber (128), 3rd pressure spring (26) and the 3rd spring support (117) composition, the 3rd pressure spring (26) it is placed with in 3rd spring chamber (128), the 3rd spring support (117) being fixed on lock intracoelomic cavity (111) is positioned at the 3rd spring chamber (128) rearward end.
9. locking type glass door lock according to claim 8, it is characterized in that: the front end of described 3rd locating dowel (123) is provided with the 1st superposed surfaces (1232), the rear end of the 3rd locating dowel (123) is provided with the 2nd superposed surfaces (1231) and the 1st semicircle locating dowel (1211).
10. locking type glass door lock according to claim 8, it is characterized in that: the front end of described 4th locating dowel (122) is provided with the 3rd superposed surfaces (1222), the rear end of the 4th locating dowel (122) is provided with the 4th superposed surfaces (1221) and the 2nd semicircle locating dowel (1212).
11. locking type glass door locks according to claim 8, it is characterized in that: tobacco pipe shape groove (1213) being also provided with the 7th locating dowel (120) and recessed slide block (12) main body being recessed in slide block (12) subject plane between described slide block (12) the 1st guide path (126) and the 2nd guide path (127), the 7th locating dowel (120) is positioned at the central authorities of tobacco pipe portion of tobacco pipe shape groove (1213).
12. locking type glass door locks according to claim 11, it is characterised in that: the front end of described 7th locating dowel (120) is provided with the 5th superposed surfaces (1202), and the rear end of the 7th locating dowel (120) is provided with the 6th superposed surfaces (1201).
13. locking type glass door locks according to claim 12, it is characterised in that: the 3rd semicircle location groove (1203) it is provided with in the bottom of described 6th superposed surfaces (1201).
14. locking type glass door locks according to claim 1, it is characterized in that: bar (15) leading section, described location is provided with fixed orifices (153), it is flexibly connected with the fixing post (116) of lock intracoelomic cavity (111) and buffering rubber cushion (25), in location bar (15), bottom is provided with arc collision district (152), with lock gall boss (421) sliding contact, in location bar (15), top is provided with the 4th spring hole (151), 4th spring hole (151) is built with the 4th pressure spring (27) and the 4th guidepost (28), enclose limit with the lock body (11) corresponding to the 4th spring hole (151) and contact connection, location bar (15) rear lower level attitude is respectively equipped with the 5th locating dowel (154) and the 6th locating dowel (155), the 2nd reinforcement block (159) it is fixed with between the 5th locating dowel (154) and the 6th locating dowel (155), 5th locating dowel (154) is provided with (1541) after the 1st, (1542) and the 1st semicircle location groove (157) and the 1st bottom surface (1543) before 1st, 6th locating dowel (155) is provided with (1551) after the 2nd, (1552) and the 2nd semicircle location groove (158) and the 2nd bottom surface (1553) before 2nd.
15. locking type glass door locks according to claim 14, it is characterized in that: the 8th locating dowel (150) being provided with protrusion at location bar (15) the main body inner central located between the 5th locating dowel (154) of bar (15) and arc collision district (152), 8th locating dowel (150) is provided with (1501) after the 3rd, contact superimposed with the 5th superposed surfaces (1202) of the 7th locating dowel (120) of described slide block (12), 8th locating dowel (150) is provided with (1502) before the 3rd, contact superimposed with the 6th superposed surfaces (1201) of the 7th locating dowel (120) of described slide block (12), described 8th locating dowel (150) is mated with tobacco pipe shape groove (1213) of described slide block (12) and is slidably connected.
16. locking type glass door locks according to claim 15, it is characterized in that: before the 3rd of described 8th locating dowel (150), (1502) bottom is provided with the 3rd semicircle locating dowel (1503), location groove (1203) coupling semicircle with the 3rd of the 7th locating dowel (120) of described slide block (12) the contacts.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416282.3A CN104196371B (en) | 2014-08-22 | 2014-08-22 | locking type glass door lock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410416282.3A CN104196371B (en) | 2014-08-22 | 2014-08-22 | locking type glass door lock |
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| CN104196371A CN104196371A (en) | 2014-12-10 |
| CN104196371B true CN104196371B (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410416282.3A Active CN104196371B (en) | 2014-08-22 | 2014-08-22 | locking type glass door lock |
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| CN109976193B (en) * | 2017-12-28 | 2021-10-08 | 宁波方太厨具有限公司 | Safe opening control method of steam box |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0795664A2 (en) * | 1996-03-12 | 1997-09-17 | DORMA GmbH + Co. KG | Mortise lock |
| CN201620648U (en) * | 2009-06-02 | 2010-11-03 | 林喜禄 | Pickproof safety lock |
| CN201751501U (en) * | 2010-06-29 | 2011-02-23 | 赵梓荣 | Glass door lock |
| CN201802148U (en) * | 2010-08-21 | 2011-04-20 | 王喜锋 | Lock core |
| WO2014019377A1 (en) * | 2012-07-31 | 2014-02-06 | Min Yu | Torsion spring resetting apparatus |
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2014
- 2014-08-22 CN CN201410416282.3A patent/CN104196371B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0795664A2 (en) * | 1996-03-12 | 1997-09-17 | DORMA GmbH + Co. KG | Mortise lock |
| CN201620648U (en) * | 2009-06-02 | 2010-11-03 | 林喜禄 | Pickproof safety lock |
| CN201751501U (en) * | 2010-06-29 | 2011-02-23 | 赵梓荣 | Glass door lock |
| CN201802148U (en) * | 2010-08-21 | 2011-04-20 | 王喜锋 | Lock core |
| WO2014019377A1 (en) * | 2012-07-31 | 2014-02-06 | Min Yu | Torsion spring resetting apparatus |
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