CN204585031U - A kind of flexible detent mechanism detected for plunger skewed slot - Google Patents
A kind of flexible detent mechanism detected for plunger skewed slot Download PDFInfo
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- CN204585031U CN204585031U CN201520203573.4U CN201520203573U CN204585031U CN 204585031 U CN204585031 U CN 204585031U CN 201520203573 U CN201520203573 U CN 201520203573U CN 204585031 U CN204585031 U CN 204585031U
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- cloudy
- plunger
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- spring
- dead head
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Abstract
A kind of flexible detent mechanism detected for plunger skewed slot of the present utility model, comprise base, cloudy top positioner, positive top positioner and flat horizontal surface detent mechanism, cloudy top positioner comprises cloudy dead head, cloudy top, through hole cover plate and cloudy spring, the moon is top is provided with cone tank, the moon is top to be connected with flexible handle, the top positioner of sun comprises positive dead head, top, the cover plate of sun and is provided with cone centre with positive spring sun is top, flat horizontal surface detent mechanism comprises positioning seat, holder and spring, and the coefficient of elasticity of cloudy spring is greater than positive spring.Compared with prior art, flexible detent mechanism of the present utility model is with elasticity position ram two ends, positioning datum overlaps with machining benchmark, plunger flat horizontal surface is compressed with the flat horizontal surface detent mechanism of flexibility, realization fluctuates and carries out flexibility location, and therefore, locate mode is soft, can not disfiguring workpiece, it also has and adapts to plurality of specifications plunger, movable sensitive, rapid operation, non-damageable feature simultaneously.
Description
Technical field
The utility model relates to the plunger manufacturing technology field of injection pump, is specifically related to a kind of flexible detent mechanism detected for plunger skewed slot.
Background technology
Plunger displacement pump is the core parts controlling fuel feeding moment and fuel delivery in diesel engine fuel injection system, plunger displacement pump produces charge oil pressure and oil suction pressure by the motion of plunger in plunger bushing, therefore, plunger surface per pass manufacturing procedure and detect and all need to ensure certain precision.Plunger detection and location precision determines the degree of accuracy of detection, the plunger cubing location of prior art adopts rigidity locate mode mostly, this mode not only easily damages each contact site on plunger, it is unreliable to fix when causing subsequent fine to be processed or work, especially for the detection of plunger skewed slot, important locating surface when plunger flat horizontal surface is detection and the work of plunger, flat horizontal surface damage not only causes skewed slot metrical error large, and fix during assembling unreliable; The otherness error of plunger due to processing existence can not be eliminated in the rigidity location of plunger, causes the fixing unreliable of detent mechanism, easily causes larger metrical error, and the frequency of therefore cubing reinspection, correction is high, affects the production efficiency of product.
Utility model content
The purpose of this utility model is to overcome problems of the prior art, provide a kind of with no damage, the flexible detent mechanism detected for plunger skewed slot of position ram flexibly, and this mechanism can be used for location Multiple Type plunger.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of flexible detent mechanism detected for plunger skewed slot, comprising:
Base;
Be located at the top positioner of the moon on base, comprise cloudy dead head, the moon be located in the positioning through hole on cloudy dead head is top, be covered on the through hole cover plate on aperture, positioning through hole one end and the cloudy top cloudy spring of resiliency supported, the other end aperture of through hole is stretched out in cloudy top one end, and this one end is provided with the cone tank adapted with the stopper head conical surface, the moon is top is provided with clamping boss, cloudy spring housing be located at cloudy top on, and be arranged between clamping boss and through hole cover plate, through hole cover plate is provided with movable span, the cloudy top other end stretches out movable span, and with the flexible handle pinned connection on cloudy dead head,
Be located at the top positioner of sun on base, comprising positive dead head, the sun be plugged in the Blind locating holes of positive dead head is top, covering the blind hole cover plate and the positive spring top with supporting sun that are located on Blind locating holes aperture, sun spring is located in Blind locating holes, the top upper end face near plunger of sun is provided with the cone centre adapted with plunger centre bore, blind hole cover plate is provided with the locating hole stretched out for cone centre, the central axis conllinear of cone tank and cone centre, the one side near plunger on blind hole cover plate is provided with positioning boss;
The flat horizontal surface detent mechanism of locating is contacted with plunger flat horizontal surface, comprise and contact with plunger flat horizontal surface the positioning seat connected, for holder and the spring of stationary positioned seat, positioning seat comprises the positioning table of its upper end, the fixed bar of lower end, be located at the spring eye in fixed bar and be located at the oblong chute on fixed bar outer surface, holder is fixedly connected with base, holder is provided with positioning sleeve, the fixed bar of positioning seat is inserted in the fixing hole on positioning sleeve, spring is inserted in spring eye, and its lower end is pressed at the bottom of fixing hole hole, positioning sleeve is provided with the screwed hole being communicated with fixing hole, stop screw passes screwed hole and stretches in the chute on fixed bar,
Wherein, the coefficient of elasticity of cloudy spring is greater than the coefficient of elasticity of positive spring.
Further, base is provided with slip slotted hole, is provided with fixing threaded hole bottom holder, cloudy dead head and positive dead head, and hold-down screw is connected with the fixing threaded hole bottom holder, cloudy dead head and positive dead head respectively through slip slotted hole.
Further, base is provided with slide rail, and holder, cloudy dead head are respectively equipped with the chute corresponding with slide rail with bottom positive dead head.
Further, the upper surface of positioning table is provided with groove.
Compared with prior art, the moon that the flexible detent mechanism detected for plunger skewed slot of the present utility model connects with elasticity is top with the top position ram two ends of sun, positioning datum overlaps with machining benchmark, compresses plunger flat horizontal surface, prevent plunger rotation with the flat horizontal surface detent mechanism of flexibility, be convenient to the skewed slot accurately measuring plunger, under the position-limiting action of stop screw, realizing fluctuates carries out flexibility location, therefore, the locate mode of this detent mechanism is soft, can not disfiguring workpiece; Plunger bottom face is flexible, be reliably pressed on positioning boss, and location is reliable, and plunger bottom face can be utilized as the datum level measured, and it affects little by plunger mismachining tolerance, and accuracy of detection is high; Meanwhile, this detent mechanism also has adaptation plurality of specifications plunger, movable sensitive, rapid operation, non-damageable feature.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of flat horizontal surface detent mechanism in Fig. 1.
In figure: 1, base, 2, cloudy dead head, 3, plunger, 4, blind hole cover plate, 5, positive dead head, 6, through hole cover plate, 7, flexible handle, 8, bearing pin, 9, cloudy top, 10, cloudy spring, 11, sun is top, 12, positive spring, 13, flat horizontal surface detent mechanism, 131, positioning seat, 132, stop screw, 133, positioning sleeve, 134, spring, 135, holder.
Detailed description of the invention
As shown in Figure 1-2, a kind of flexible detent mechanism detected for plunger skewed slot of the present utility model, comprising:
Base 1;
Be located at the top positioner of the moon on base 1, comprise cloudy dead head 2, be located in the moon top 9 in the positioning through hole on cloudy dead head 2, be covered on the cloudy spring 10 of through hole cover plate 6 on aperture, positioning through hole one end and resiliency supported cloudy top 9, the other end aperture of through hole is stretched out in one end of cloudy top 9, and this one end is provided with the cone tank adapted with plunger 3 nose cone face, cloudy top 9 are provided with clamping boss, cloudy spring 10 is sheathed on cloudy top 9, and be arranged between clamping boss and through hole cover plate 6, through hole cover plate 6 is provided with movable span, the other end of cloudy top 9 stretches out movable span, and with flexible handle 7 pinned connection on cloudy dead head 2,
Be located at the top positioner of sun on base 1, comprise positive dead head 5, the sun be plugged in the Blind locating holes of positive dead head 5 be top 11, cover the blind hole cover plate 4 that is located on Blind locating holes aperture and with the positive spring 12 supporting sun top 11, sun spring 12 is located in Blind locating holes, end face near plunger 3 on sun top 11 is provided with the cone centre adapted with plunger 3 centre bore, blind hole cover plate 4 is provided with the locating hole stretched out for cone centre, the central axis conllinear of cone tank and cone centre, the one side near plunger 3 on blind hole cover plate 4 is provided with positioning boss;
The flat horizontal surface detent mechanism 13 of locating is contacted with plunger 3 flat horizontal surface, comprise and contact with plunger 3 flat horizontal surface the positioning seat 131 connected, for holder 135 and the spring 134 of stationary positioned seat 131, positioning seat 131 comprises the positioning table of its upper end, the fixed bar of lower end, the oblong chute be located at spring 134 hole in fixed bar and be located on fixed bar outer surface, holder 135 is fixedly connected with base 1, holder 135 is provided with positioning sleeve 133, the fixed bar of positioning seat 131 is inserted in the fixing hole on positioning sleeve 133, spring 134 is inserted in spring 134 hole, and its lower end is pressed at the bottom of fixing hole hole, positioning sleeve 133 is provided with the screwed hole being communicated with fixing hole, stop screw 132 passes screwed hole and stretches in the chute on fixed bar,
Wherein, the coefficient of elasticity of cloudy spring 10 is greater than the coefficient of elasticity of positive spring 12.
A kind of flexible detent mechanism detected for plunger skewed slot of the present utility model is when position ram 3, first, flexible handle 7 is pulled to compress cloudy spring 10, the distance between cloudy top 9 and sun top 11 is made to be greater than plunger 3 length, be convenient to plunger 3 install, centre bore on plunger 3 bottom face plugs the cone centre on positive spring 12, and flat horizontal surface is aimed at the locating piece of flat horizontal surface detent mechanism 13, after keeping plunger 3 level, slowly unclamp flexible handle 7, the cone tank of cloudy top 9 is made to be pressed on the conical surface of plunger 3 head, due to, cloudy spring 10 elasticity is greater than positive spring 12, cloudy spring 10 promote plunger 3 always on the sunny side dead head 5 move, until plunger 3 bottom face contacts with the positioning boss on blind hole cover plate 4, simultaneously, the flat horizontal surface of positioning seat 131 Compliant pressure plunger 3 under the effect of spring 134, plunger 3 is made to obtain the correct location of axis and angle.
Compared with prior art, the moon top 9 that the flexible detent mechanism detected for plunger skewed slot of the present utility model connects with elasticity and top 11 position ram 3 two ends of sun, positioning datum overlaps with machining benchmark, compresses plunger 3 flat horizontal surface with the flat horizontal surface detent mechanism 13 of flexibility, prevents plunger 3 from rotating, be convenient to the skewed slot accurately measuring plunger 3, under the position-limiting action of stop screw 132, realizing fluctuates carries out flexibility location, therefore, the locate mode of this detent mechanism is soft, can not disfiguring workpiece; Plunger 3 bottom face is flexible, be reliably pressed on positioning boss, and location is reliable, and plunger 3 bottom face can be utilized as the datum level measured, and it affects little by plunger 3 mismachining tolerance, and accuracy of detection is high; Meanwhile, this detent mechanism also has adaptation plurality of specifications plunger 3 as plunger 3 length, diameter, flat horizontal surface thickness equidimension, movable sensitive, rapid operation, non-damageable feature.
In the present embodiment, for the ease of regulating the spacing between cloudy dead head 2 and positive dead head 5, and the position of flat horizontal surface detent mechanism 13, to adapt to the plunger 3 of different length and model, and reliable grip and position ram 3 flat horizontal surface and two ends, base 1 is provided with slip slotted hole, is provided with fixing threaded hole bottom holder 135, cloudy dead head 2 and positive dead head 5, hold-down screw is connected with the fixing threaded hole bottom holder 135, cloudy dead head 2 and positive dead head 5 respectively through slip slotted hole; During in order to prevent position adjustments, the conllinear relative position generation deviation of cloudy dead head 2 and positive dead head 5, cause location unreliable, base 1 is provided with slide rail, and holder 135, cloudy dead head 2 are respectively equipped with the chute corresponding with slide rail with bottom positive dead head 5.
In the present embodiment, in order to reduce to contact the contact surface area of locating with plunger 3 flat horizontal surface, to improve positioning precision, the upper surface of positioning table is provided with groove, and groove can be the larger groove of a width, also can be many little width gap.
Above embodiment of the present utility model has been described in detail, but described content being only preferred embodiment of the present utility model, can not being considered to for limiting practical range of the present utility model.All equalizations done according to the utility model scope change and improve, and all should still belong within this patent covering scope.
Claims (4)
1., for the flexible detent mechanism that plunger skewed slot detects, it is characterized in that, comprising:
Base (1);
Be located at the top positioner of the moon on base (1), comprise cloudy dead head (2), be located in the moon top (9) in the positioning through hole on cloudy dead head (2), be covered on the cloudy spring (10) of through hole cover plate (6) on aperture, described positioning through hole one end and resiliency supported the moon top (9), the other end aperture of through hole is stretched out in one end of described the moon top (9), and this one end is provided with the cone tank adapted with plunger (3) nose cone face, described the moon top (9) is provided with clamping boss, cloudy spring (10) is sheathed on cloudy top (9), and be arranged between clamping boss and through hole cover plate (6), described through hole cover plate (6) is provided with movable span, the other end of cloudy top (9) stretches out movable span, and with flexible handle (7) pinned connection on cloudy dead head (2),
Be located at the top positioner of sun on base (1), comprise positive dead head (5), be plugged in the sun top (11) in the Blind locating holes of positive dead head (5), the blind hole cover plate (4) that lid is located on Blind locating holes aperture and the positive spring (12) with support sun top (11), sun spring (12) is located in described Blind locating holes, the upper end face near plunger (3) of sun top (11) is provided with the cone centre adapted with plunger (3) centre bore, blind hole cover plate (4) is provided with the locating hole stretched out for described cone centre, the central axis conllinear of described cone tank and cone centre, the upper one side near plunger (3) of described blind hole cover plate (4) is provided with positioning boss,
The flat horizontal surface detent mechanism (13) of locating is contacted with plunger (3) flat horizontal surface, comprise the positioning seat (131) contacting with plunger (3) flat horizontal surface and connect, for holder (135) and the spring (134) of stationary positioned seat (131), described positioning seat (131) comprises the positioning table of its upper end, the fixed bar of lower end, the oblong chute be located at spring (134) hole in described fixed bar and be located on fixed bar outer surface, holder (135) is fixedly connected with base (1), holder (135) is provided with positioning sleeve (133), the fixed bar of positioning seat (131) is inserted in the fixing hole on positioning sleeve (133), spring (134) is inserted in spring (134) hole, and its lower end is pressed at the bottom of fixing hole hole, described positioning sleeve (133) is provided with the screwed hole being communicated with fixing hole, stop screw (132) is through screwed hole and stretch in the chute on fixed bar,
Wherein, the coefficient of elasticity of described cloudy spring (10) is greater than the coefficient of elasticity of described positive spring (12).
2. a kind of flexible detent mechanism detected for plunger skewed slot according to claim 1, it is characterized in that: described base (1) is provided with slip slotted hole, described holder (135), cloudy dead head (2) and positive dead head (5) bottom is provided with fixing threaded hole, and hold-down screw is connected with the fixing threaded hole of described holder (135), cloudy dead head (2) and positive dead head (5) bottom respectively through slip slotted hole.
3. a kind of flexible detent mechanism detected for plunger skewed slot according to claim 2, it is characterized in that: described base (1) is provided with slide rail, described holder (135), cloudy dead head (2) are respectively equipped with the chute corresponding with described slide rail with positive dead head (5) bottom.
4. a kind of flexible detent mechanism detected for plunger skewed slot according to claim 1, is characterized in that: the upper surface of described positioning table is provided with groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203573.4U CN204585031U (en) | 2015-04-07 | 2015-04-07 | A kind of flexible detent mechanism detected for plunger skewed slot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203573.4U CN204585031U (en) | 2015-04-07 | 2015-04-07 | A kind of flexible detent mechanism detected for plunger skewed slot |
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| Publication Number | Publication Date |
|---|---|
| CN204585031U true CN204585031U (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520203573.4U Expired - Fee Related CN204585031U (en) | 2015-04-07 | 2015-04-07 | A kind of flexible detent mechanism detected for plunger skewed slot |
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| Country | Link |
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| CN (1) | CN204585031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397474A (en) * | 2020-05-16 | 2020-07-10 | 烟台杰瑞石油装备技术有限公司 | Tool assembly for quickly inspecting sliding rail |
-
2015
- 2015-04-07 CN CN201520203573.4U patent/CN204585031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111397474A (en) * | 2020-05-16 | 2020-07-10 | 烟台杰瑞石油装备技术有限公司 | Tool assembly for quickly inspecting sliding rail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150826 Termination date: 20190407 |