CN101113710A - Single cylinder diesel engine handle starting up protecting equipment - Google Patents
Single cylinder diesel engine handle starting up protecting equipment Download PDFInfo
- Publication number
- CN101113710A CN101113710A CNA2007100924122A CN200710092412A CN101113710A CN 101113710 A CN101113710 A CN 101113710A CN A2007100924122 A CNA2007100924122 A CN A2007100924122A CN 200710092412 A CN200710092412 A CN 200710092412A CN 101113710 A CN101113710 A CN 101113710A
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- starting
- shaft
- handle
- ratchet
- diesel engine
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Abstract
The invention relates to a protective device for handle starting of diesel engine with one cylinder. A spline shaft runs through an upper shaft casing and enters an enclosure of the protector; the extended part of the spline shaft is respectively sleeved with a spine gear and a starting board; the internal side face of the starting board is provided with a starting claw, the spine claw is arranged beside the spine gear; the side face of the lower end of the spine claw is provided with a cam platform, a guide pin at the side of the cam platform is sleeved with a releasing handle; a selector shaft runs through a lower shaft casing and a return spring is arranged between a starting button at the outer end of the selector shaft and the outer end face of the lower shaft casing; the inner end of the selector shaft runs through the enclosure of the protector and is fixedly connected with the handle part of the selector shaft; a selecting cushion block is fixed at the side face of the selecting handle part and the fork part of the selector shaft is arranged in a selecting groove on the peripheral face of the starting board. The invention has easy starting and easy installation, stable performance, good technique, good safety and reliability, and universal application, etc, effectively prevents the starting handle hurting people when reversing and solves the security problem existing since the invention of the diesel engine with one cylinder.
Description
Technical field
The invention belongs to the diesel engine technologies field, specifically, relate to a kind of single cylinder diesel engine handle starting up protecting equipment.
Background technique
The favor that single cylinder diesel engine is small and exquisite because of volume, simple operation and other advantages is subjected to users.The start mode of single cylinder diesel engine mainly is to adopt crank handle to start manually, and promptly the starting end of engine spindle stretches out from engine housing, upwards wears king-pin in the end of its starting end from the footpath, and one of king-pin offers the crank handle pin-and-hole.During starting, operating crank is inserted in the crank handle pin-and-hole on the king-pin,, make it to drive the engine spindle rotation and get final product by king-pin with hand moving operating crank.Because single cylinder diesel engine can produce bigger reaction force in the process of starting, the staff operates incorrectly in addition, because of the operating crank counter-rotating personnel that cause injure, is in particular in easily:
1, single cylinder diesel engine is when starting manually with crank handle, because the effect of engine compresses pressure or firing pressure, make operating crank flip-flop sense of rotation, operating crank will oppositely quicken rotation, final angular velocity will reach maximum when operating crank is thrown off, operating crank is rotated further under action of inertia, all be consumed in until all kinetic energy and overcome on friction and the active force that applied of operator, the operating crank counter-rotating personnel that cause easily injure, and consequent security incident, human casualty accident happen occasionally.
2, because of when starting operating crank directly be connected with engine spindle, when counter-rotating took place motor, operating crank can not in time be thrown off, and caused operating crank to rotate synchronously to hurt sb.'s feelings easilier.
3, there is not safety protection device on the existing single cylinder diesel engine; the starting end of engine spindle is directly exposed outside; accident such as not only cause winding easily, hurt sb.'s feelings, nor meet the mandatory new regulation of country about " do not allow solid of rotation exposed, safety cover must be arranged ".
4, single cylinder diesel engine has a misgiving when causing the user to select for use owing to there is above deficiency, so be subjected to limiting significantly when rural area popularization farm machinery.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of single cylinder diesel engine handle starting up protecting equipment that can prevent effectively that the operating crank counter-rotating from hurting sb.'s feelings.
Technological scheme of the present invention is as follows: a kind of single cylinder diesel engine handle starting up protecting equipment, the starting end of engine spindle stretches out engine housing, end at its starting end upwards is equipped with king-pin from the footpath, its key is: protector outer casing is housed in the outside of described engine housing the starting end shield of engine spindle is gone into wherein, be fixed with on the outer side wall of protector outer casing on two, following parallel axle sleeve, and the shaft axis of Upper shaft sleeve overlaps with the shaft axis of engine spindle, in Upper shaft sleeve, wear splined shaft, the outer polished end of this splined shaft is installed and is started pin, the internal spline end of splined shaft stretches in the protector outer casing by Upper shaft sleeve, and stretch into suit ratchet wheel and starter panel successively on the axle body of part, the inner side surface of starter panel is provided with the starting dog that can engage with king-pin; Be connected with the inwall of protector outer casing by extension spring with the ratchet upper end that described ratchet wheel matches, the side of ratchet lower end is formed with all-in-one-piece boss with it, the bar hole of offering on this boss also is connected with protector outer casing by guide finger, suit disconnects handle on the guide finger of boss side, stretch out outside the protector outer casing outer end that disconnects handle, disconnect handle when guide finger rotates, can promote ratchet and move up; In described Lower shaft sleeve, wear declutch shift shaft, between the start button of this declutch shift shaft outer end and the exterior edge face of Lower shaft sleeve return spring is installed, fixedly connected with the shank of shift fork in the inner of declutch shift shaft, at shift fork shank fixing shift fork cushion block on the side of boss, and the fork of shift fork is arranged in the fork slot of offering on the described starter panel circumferential surface.
When the present invention is used for the crank handle starting, inwardly promote start button with hand, the start button compression retracteding position spring, declutch shift shaft inwardly moves with respect to Lower shaft sleeve simultaneously, declutch shift shaft drives starter panel direction towards engine spindle on splined shaft by shift fork and moves, starting dog on the starter panel is engaged with king-pin on the engine spindle, and promptly king-pin snaps in the starting dog; Insert operating crank in the startup pin of splined shaft outer end this moment; with hand moving operating crank; operating crank drives the splined shaft rotation by starting pin; the ratchet wheel and the starter panel that connect with the splined shaft spline rotate with splined shaft; ratchet moves down LAP under the drive of ratchet wheel; skid with respect to ratchet wheel then; the lower end of ratchet snaps between protector housing and the shift fork cushion block together with boss; because the shift fork cushion block on the shift fork is spacing by the boss of ratchet lower end; starting dog on the starter panel can keep the state that engages with king-pin on the engine spindle, and starting dog drives engine spindle by king-pin and rotates.
If when occurring unexpected backward rotation in the process of engine spindle rotation starting, king-pin drives starter panel and splined shaft counter-rotating by starting dog, ratchet wheel is when turning an angle with the starter panel synchronous backward, with the ratchet interlock and drive ratchet and move up, make the boss of ratchet lower end unclamp spacing to the shift fork cushion block, under the double action of starter panel converse rotating force and return spring elastic force, start button and declutch shift shaft are with respect to the outside rapid movement of Lower shaft sleeve, declutch shift shaft by shift fork drive starter panel on splined shaft towards the direction fast moving of ratchet wheel, make starting dog throw off king-pin by force and stop operating.Power between engine spindle and the splined shaft is cut off like this, and splined shaft, the operating crank very little angle of only reversing just stops (making substantially people imperceptible), thereby has prevented that effectively the operating crank counter-rotating from hurting sb.'s feelings, and reaches the effect of safety protection.Simultaneously, the protected device jacket of the starting end of engine spindle is gone into, and has satisfied the mandatory new regulation of country about " do not allow solid of rotation exposed, safety cover must be arranged ".If unexpected backward rotation do not occur in the process of engine spindle rotation starting; but manual control this moment disconnects handle; making disconnects handle rotates around guide finger; and the promotion ratchet moves up; the boss of ratchet lower end unclamps spacing to the shift fork cushion block; also can be with the power cut between engine spindle and the splined shaft, thus play automatic disconnection and manually disconnect the effect of the duplicate protection that combines.
In order to guarantee that splined shaft only rotates, prevent splined shaft generation axial motion, on the splined shaft of the above-mentioned Upper shaft sleeve outside and ratchet wheel side, all be set with positioning retainer ring.
Be formed with moving tooth on the side corresponding with ratchet wheel of above-mentioned ratchet top, another side of ratchet bottom stretches out and vertically bending, forms and the block that disconnects handle and match.When ratchet wheel just changeed, moving tooth made ratchet move down LAP under the drive of ratchet wheel, skids with respect to ratchet wheel then; When counter-rotating appearred in ratchet wheel, tooth on the ratchet wheel and moving tooth interlock drove ratchet and move up, and the stroke that ratchet moves upward is relevant with reverse angle; After starting dog was thrown off king-pin, ratchet wheel stopped counter-rotating, and the power that ratchet wheel acts on the moving tooth disappears, and under the effect of extension spring, ratchet resets.If reversing does not appear in ratchet wheel, when needs manually disconnect power between engine spindle and the splined shaft, disconnecting handle, it is up to promote ratchet by block.
Above-mentioned starting dog is made of two starting teeth of symmetric arrangement on circumference, and the starting tooth is curved, passes through the cambered surface transition between its peak and the minimum point.Starting dog adopts above structure, engages easily between starting dog and the king-pin, and can guarantee the stability of transmission of power.
For make the protector versatility good, easy for installation, be connected firmly, above-mentioned protector outer casing inner uncovered is provided with 3 journal stirrups at the edge of its open-mouth, each journal stirrup is fixedlyed connected with engine housing by bolt.
The invention has the beneficial effects as follows:
1, starting is convenient, can guarantee the stability of state of starting operating.
2, has the security insurance effect: when counter-rotating appears in engine spindle, the transmission of power of engine spindle and splined shaft can very fast automatic disconnection, operating crank is stopped operating, safety reliability is splendid, prevented that effectively operating crank counter-rotating from hurting sb.'s feelings, solved a safe difficult problem that has always troubled people since single cylinder diesel comes out.
3, the starting end of engine spindle is gone into by the protector outer casing cover, both prevented the exposed winding that causes of engine spindle, hurted sb.'s feelings, satisfied the mandatory new regulation of country again about " do not allow solid of rotation exposed, safety cover must be arranged ".
4, reliable performance, rational in infrastructure, assembly technology is simple and practical, can manufacture.
5, easy for installation, highly versatile, all suitable to the single cylinder diesel of various type shapes.
Description of drawings
Fig. 1 is a structural representation of the present invention, also is the bonding state figure between starting dog and the king-pin.
Fig. 2 is that the A of Fig. 1 is to view.
Fig. 3 is the structural representation of starter panel among the present invention.
Fig. 4 is the structural representation of ratchet among the present invention.
Fig. 5 is the worm's eye view of Fig. 4.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 1 and Figure 2, the starting end of engine spindle 20 stretches out engine housing 21, upwards is equipped with king-pin 22 in the end of its starting end from the footpath, and the two ends of king-pin 22 exceed the circumferential surface of engine spindle 20.Protector outer casing 17 inner uncovered, the outer end sealing is positioned at the outside of engine housing 21; at the edge of its open-mouth end outward flanging; form the journal stirrup 17a of 3 band mounting holes; this journal stirrup 17a is fixedlyed connected with engine housing 21 by bolt; make protector outer casing 17 spiral-locks on engine housing 21; and the starting end shield of engine spindle 20 gone into wherein, prevent that the starting end of engine spindle 20 from twining, hurting sb.'s feelings because of exposed.Offer upper and lower two via holes on the wall of protector outer casing 17 closed ends, two mutual parallel axle sleeves 6,7 lay respectively in the corresponding via hole, and fixedly connected with protector outer casing 17, and the shaft axis of Upper shaft sleeve 6 overlaps with the shaft axis of engine spindle 20.
From Fig. 1, Fig. 2, Fig. 3 as can be known, splined shaft 1 is made up of outer polished rod section and internal spline section, outer polished end at splined shaft 1 upwards is equipped with startup pin 2 from the footpath, the internal spline end of splined shaft 1 stretches in the protector outer casing 17 by Upper shaft sleeve 6, and splined shaft 1 can rotate relative to Upper shaft sleeve 6; Splined shaft 1 stretches on the axle body in the protector outer casing 17 suit ratchet wheel 19 and starter panel 16 successively; on the splined shaft 1 of Upper shaft sleeve 6 outsides and ratchet wheel 19 sides, all be set with positioning retainer ring 4; positioning retainer ring 4 guarantees that 1 of splined shaft rotates, and prevents that splined shaft 1 from axial motion taking place.Described starter panel 16 can axially move on splined shaft 1, on the circumferential surface of starter panel 16, offer annular fork slot 16b, the inner side surface of starter panel 16 is provided with the starting dog 16a that can engage with king-pin 22, this starting dog 16a is made of two starting teeth of symmetric arrangement on circumference, the starting tooth is curved, by the cambered surface transition, it is easy to engage between starting dog 16a and the king-pin 22 like this between its peak and the minimum point, and can guarantee the stability of transmission of power.
From Fig. 1, Fig. 2, Fig. 3 also as can be known; start button 3 is installed in the outer end of declutch shift shaft 12; the inner of declutch shift shaft 12 is passed Lower shaft sleeve 7 and is extend in the protector outer casing 17; declutch shift shaft 12 can axially move in Lower shaft sleeve 7, and return spring 5 is installed on the declutch shift shaft 12 between the exterior edge face of start button 3 and Lower shaft sleeve 7.Fixedly connected with the shank of shift fork 15 in the end of described declutch shift shaft 12 the inners, at shift fork 15 shanks fixing shift fork cushion block 10 on the side of boss 9, and the fork of shift fork 15 is arranged in the fork slot 16b that offers on described starter panel 16 circumferential surfacies.
From Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5 further as can be known; the ratchet 8 that matches with ratchet wheel 19 is installed in the next door of ratchet wheel 19; the upper end of ratchet 8 is connected by the inwall of extension spring 18 with protector outer casing 17; be formed with all-in-one-piece boss 9 with it towards the side of shift fork 15 in ratchet 8 lower ends; the bar hole 8a that offers on this boss 9 is enclosed within guide finger 13; guide finger 13 with fixedly connected with protector outer casing 17, ratchet 8 guide finger 13 is relatively done and is moved up and down.Be formed with moving tooth 8c on the corresponding side of ratchet 8 tops and ratchet wheel 19, another side of ratchet 8 bottoms stretches out and vertically bends towards the direction of shift fork 15, forms and the 11 block 8b that match that disconnect handle.Disconnecting handle 11 is positioned at the side of boss 9, and is sleeved on the guide finger 13, spacing by packing ring 14, and stretch out outside the protector outer casing 17 11 the outer end of disconnecting handle, and disconnects handle 11 when guide finger 13 rotates, and can promote block 8b, and ratchet 8 is moved up.
The present invention is work like this: inwardly promote start button 3 with hand, start button 3 compression retracteding position springs 5, simultaneously declutch shift shaft 12 with respect to Lower shaft sleeve 7 to right-hand moving shown in Figure 1, declutch shift shaft 12 drives starter panel 16 by shift fork 15 and also moves right on splined shaft 1, starting dog 16a on the starter panel 16 is engaged with king-pin 22 on the engine spindle 20, and promptly king-pin 22 snaps among the starting dog 16a; Insert operating crank in the startup pin 2 of splined shaft 1 outer end this moment; with hand moving operating crank; operating crank drives splined shaft 1 rotation by starting pin 2; the ratchet wheel 19 and the starter panel 16 that connect with splined shaft 1 spline rotate with splined shaft 1; the moving tooth 8c of ratchet 8 is under the drive of ratchet wheel 19; make ratchet 8 move down LAP; moving tooth 8c skids with respect to ratchet wheel 19 then; the lower end of ratchet 8 snaps between protector housing 17 and the shift fork cushion block 10 together with boss 9; because the shift fork cushion block 10 on the shift fork 15 is spacing by the boss 9 of ratchet 8 lower ends; starting dog 16a on the starter panel 16 can keep the state (see figure 1) that engages with king-pin 22 on the engine spindle 20, and starting dog 16a drives engine spindles 20 by king-pin 22 and rotates.
If automatic disconnection protective function of the present invention is achieved in that when occurring unexpected backward rotation in the process of engine spindle 20 rotation starting; king-pin 22 drives starter panel 16 and splined shaft 1 counter-rotating by starting dog 16a; the moving tooth 8c interlock of tooth on the ratchet wheel 19 and ratchet 8; driving ratchet 8 moves up; make the boss 9 of ratchet 8 lower ends unclamp spacing to shift fork cushion block 10; under the double action of starter panel 16 converse rotating forces and return spring 5 elastic force; start button 3 and declutch shift shaft 12 are with respect to Lower shaft sleeve 7 outside rapid movements; declutch shift shaft 12 by shift fork 15 drive starter panels 16 on splined shaft 1 to left fast moving shown in Figure 1, make starting dog 16a throw off king-pin 22 by force and stop operating.Power between engine spindle 20 and the splined shaft 1 is cut off like this, and splined shaft 1, the operating crank very little angle of only reversing just stops (making substantially people imperceptible), thereby has prevented that effectively the operating crank counter-rotating from hurting sb.'s feelings, and reaches the effect of safety protection.
The present invention disconnects manually protective function is achieved in that unexpected backward rotation do not occur if engine spindle 20 rotates in the process of starting; but manual control this moment disconnects handle 11; making disconnects handle 11 clockwise rotates (see figure 2) around guide finger 13; promote the block 8b on the ratchet 8 when disconnecting handle 11 rotations; ratchet 8 is moved up; the boss 9 of ratchet 8 lower ends unclamps spacing to shift fork cushion block 10, also can be with the power cut between engine spindle 20 and the splined shaft 1.
Claims (5)
1. single cylinder diesel engine handle starting up protecting equipment, the starting end of engine spindle (20) stretches out engine housing (21), end at its starting end upwards is equipped with king-pin (22) from the footpath, it is characterized in that: in the outside of described engine housing (21) protector outer casing (17) is housed the starting end shield of engine spindle (20) is gone into wherein, be fixed with on the outer side wall of protector outer casing (17) on two, following parallel axle sleeve (6,7), and the shaft axis of Upper shaft sleeve (6) overlaps with the shaft axis of engine spindle (20), in Upper shaft sleeve (6), wear splined shaft (1), the outer polished end of this splined shaft (1) is installed and is started pin (2), the internal spline end of splined shaft (1) stretches in the protector outer casing (17) by Upper shaft sleeve (6), and stretch into suit ratchet wheel (19) and starter panel (16) successively on the axle body of part, the inner side surface of starter panel (16) is provided with the starting dog (16a) that can engage with king-pin (22); Be connected by the inwall of extension spring (18) with ratchet (8) upper end that described ratchet wheel (19) matches with protector outer casing (17), the side of ratchet (8) lower end is formed with all-in-one-piece boss (9) with it, the bar hole of offering on this boss (9) (8a) also is connected with protector outer casing (17) by guide finger (13), go up suit disconnect handle (11) at the guide finger (13) of boss (9) side, stretch out outside the protector outer casing (17) the disconnect handle outer end of (11), disconnect handle (11) when guide finger (13) rotates, can promote ratchet (8) and move up; In described Lower shaft sleeve (7), wear declutch shift shaft (12), between the start button (3) of this declutch shift shaft (12) outer end and the exterior edge face of Lower shaft sleeve (7) return spring (5) is installed, fixedly connected with the shank of shift fork (15) in the inner of declutch shift shaft (12), at shift fork (15) shank fixing shift fork cushion block (10) on the side of boss (9), and the fork of shift fork (15) is arranged in the fork slot of offering on described starter panel (16) circumferential surface (16b).
2. a kind of single cylinder diesel engine handle starting up protecting equipment according to claim 1 is characterized in that: all be set with positioning retainer ring (4) on the splined shaft (1) of described Upper shaft sleeve (6) outside and ratchet wheel (19) side.
3. a kind of single cylinder diesel engine handle starting up protecting equipment according to claim 1 and 2; it is characterized in that: be formed with moving tooth (8c) on the side corresponding of described ratchet (8) top with ratchet wheel (19); another side of ratchet (8) bottom stretches out and vertically bending, forms the block (8b) that matches with disconnect handle (11).
4. a kind of single cylinder diesel engine handle starting up protecting equipment according to claim 1; it is characterized in that: described starting dog (16a) is made of two starting teeth of symmetric arrangement on circumference; the starting tooth is curved, passes through the cambered surface transition between its peak and the minimum point.
5. a kind of single cylinder diesel engine handle starting up protecting equipment according to claim 1; it is characterized in that: described protector outer casing (17) inner uncovered; be provided with 3 journal stirrups (17a) at the edge of its open-mouth, each journal stirrup (17a) is fixedlyed connected with engine housing (21) by bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924122A CN100532825C (en) | 2007-07-12 | 2007-07-12 | Single cylinder diesel engine handle starting-up protecting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924122A CN100532825C (en) | 2007-07-12 | 2007-07-12 | Single cylinder diesel engine handle starting-up protecting equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101113710A true CN101113710A (en) | 2008-01-30 |
| CN100532825C CN100532825C (en) | 2009-08-26 |
Family
ID=39022208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100924122A Expired - Fee Related CN100532825C (en) | 2007-07-12 | 2007-07-12 | Single cylinder diesel engine handle starting-up protecting equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100532825C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926870A (en) * | 2012-11-28 | 2013-02-13 | 无锡市良发动力电器配件厂 | Claw outlet fixing piece of diesel engine |
| CN102937064A (en) * | 2012-11-28 | 2013-02-20 | 无锡市良发动力电器配件厂 | Hand starting component of diesel engine |
| CN102140986B (en) * | 2010-02-02 | 2013-02-20 | 吕振铁 | Disengaging adjustable safety handle |
| CN112674837A (en) * | 2020-12-30 | 2021-04-20 | 上海融脉医疗科技有限公司 | Driving device of thrombus taking catheter system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3624929A1 (en) * | 1986-07-23 | 1988-02-18 | Case Vibromax Gmbh & Co Kg | Starting crank for the hand-starting of internal combustion engines |
| DE3642705A1 (en) * | 1986-12-13 | 1988-06-23 | Kloeckner Humboldt Deutz Ag | Manual starting crank for machines |
| CN1272542C (en) * | 2004-01-02 | 2006-08-30 | 牛刚学 | Device for preventing single cylinder diesel oil engine from reverse rotating |
| CN2692365Y (en) * | 2004-03-08 | 2005-04-13 | 李尚富 | Single cylinder antiback running device |
| CN201062561Y (en) * | 2007-07-13 | 2008-05-21 | 陈万荣 | Single-cylinder diesel engine handle-starting protecting equipment |
-
2007
- 2007-07-12 CN CNB2007100924122A patent/CN100532825C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102140986B (en) * | 2010-02-02 | 2013-02-20 | 吕振铁 | Disengaging adjustable safety handle |
| CN102926870A (en) * | 2012-11-28 | 2013-02-13 | 无锡市良发动力电器配件厂 | Claw outlet fixing piece of diesel engine |
| CN102937064A (en) * | 2012-11-28 | 2013-02-20 | 无锡市良发动力电器配件厂 | Hand starting component of diesel engine |
| CN112674837A (en) * | 2020-12-30 | 2021-04-20 | 上海融脉医疗科技有限公司 | Driving device of thrombus taking catheter system |
| CN112674837B (en) * | 2020-12-30 | 2023-01-03 | 上海融脉医疗科技有限公司 | Driving device of thrombus taking-out catheter system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100532825C (en) | 2009-08-26 |
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Granted publication date: 20090826 Termination date: 20130712 |