CN204988224U - Utensil is examined apart from a rapid survey to plunger chute - Google Patents
Utensil is examined apart from a rapid survey to plunger chute Download PDFInfo
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- CN204988224U CN204988224U CN201520255675.0U CN201520255675U CN204988224U CN 204988224 U CN204988224 U CN 204988224U CN 201520255675 U CN201520255675 U CN 201520255675U CN 204988224 U CN204988224 U CN 204988224U
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- spring
- plunger
- hole
- cloudy
- pull bar
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model discloses an utensil is examined apart from a rapid survey to plunger chute, the on -line screen storage device comprises a base, cloudy top fixed establishment and positive top fixed establishment, unload the power handle, the handle support, the gauge stand, positioning seat and measuring mechanism, be equipped with the spiral terminal surface on the handle support, the measuring mechanism includes the pull rod, the elastic mechanism, the measuring stick, pull rod apron and stop gear, the pull rod hole is the two -stage hole, second grade pull rod hole is connected with the pull rod, pull rod one end and measurement contact connection, be equipped with the measuring aperture on the other end, the elastic mechanism includes first spring and second spring, second spring coefficient of elasticity is greater than first spring, the measuring stick lower extreme is equipped with the conical surface, stop gear includes turning handle and spacing post. Compared with the prior art, this measuring device follows the chute sideline through the rotation measurement head and is close to the measuring point carrying out the all -round fixed back of plunger to according to the accurate location survey point of stop gear, measurement accuracy is high, and is easy and simple to handle, and work efficiency is high, simultaneously, can laborsavingly uninstall and press from both sides tight plunger.
Description
Technical field
The utility model relates to the plunger manufacturing technology field of injection pump, is specifically related to a kind of plunger skewed slot apart from top Quick Measurement cubing.
Background technology
Ram pump is the core parts controlling fuel feeding moment and fuel delivery in diesel engine fuel injection system, ram pump produces charge oil pressure and oil suction pressure by the motion of plunger in plunger bushing, therefore, plunger per pass manufacturing procedure and detect and all need to ensure certain precision.Plunger skewed slot is the important feature controlling fuel injector oil injection time, because plunger skewed slot exists certain mismachining tolerance, the skewed slot measurement mechanism of prior art is when measuring, first position ram, the sounding rod of measuring mechanism is manually depressed into skewed slot sideline, and then start automatic measurement mechanism measurement, complex operation, and general measure point is on the skewed slot sideline maximum with oil injection time relationship degree, the sounding rod of prior art is easily because the raised points measured on skewed slot inwall causes measuring accuracy low, and its by clamping column beyond the Great Wall circle position, easily cause location inaccurate, so that reduce measuring accuracy, simultaneously, also there is hold-down mechanism inefficacy easy to wear, cause plunger cannot Quick-clamped and discharging.
Utility model content
The purpose of this utility model is to overcome problems of the prior art, provides a kind of measuring accuracy high, easy and simple to handle and the plunger skewed slot distance top Quick Measurement cubing that plunger clamps and discharging efficiency is high.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of plunger skewed slot, apart from top Quick Measurement cubing, comprising:
Base;
Be located at the top fixed mechanism of the moon on base and the top fixed mechanism of sun, it is top with the moon be located in the pilot hole of cloudy dead head that cloudy top fixed mechanism comprises cloudy dead head, it is top with the sun be located in the Blind locating holes of positive dead head that the top fixed mechanism of sun comprises positive dead head, cloudy top one end and the top one end of sun are respectively from plunger two ends elastic clamping plunger, the cloudy top other end is provided with power of the unloading handle be positioned at outside pilot hole, and the aperture, one end of pilot hole is provided with the handle bearing supporting and unload the action of power handle;
For the gauge stand of fixation measuring table, be fixed on base, which is provided with meter pilot hole and the meter fixed orifice vertical with meter pilot hole;
Contact the positioning seat of locating with plunger flat horizontal surface, be fixed on base, it comprises and contacts with plunger flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on the positive dead head of cloudy top fixed mechanism, comprise pull bar, elastic mechanism, sounding rod, pull bar cover plate and position-limit mechanism;
Wherein, pull bar is arranged in the tie rod hole of positive dead head, tie rod hole is two-stage tie rod hole, one section near meter is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar transition fit, pull bar cover plate is covered on one-level tie rod hole aperture, pull bar is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar is connected with the contact of meter, the other end of pull bar is provided with the measured hole perpendicular to pull bar axis, and pull bar other end end face is provided with the measurement fixed orifice be communicated with measured hole, measures fixed orifice perpendicular to measured hole;
Wherein, elastic mechanism comprises is located at the first spring in one-level tie rod hole and the second spring, the end face of the first spring is connected with the side of spring retainer boss, the end face of the second spring is connected with the opposite side of spring retainer boss, the side of spring retainer boss is the side near meter, and the elasticity coefficient of the second spring is greater than the elasticity coefficient of the first spring;
Wherein, sounding rod is arranged in measured hole, and is fixed by the first gib screw be threaded with measurement fixed orifice, and sounding rod lower end is provided with the conical surface;
Wherein, position-limit mechanism comprises and strains at the turning handle and limited post that bar one end is fixedly connected with, turning handle one end and positive dead head pinned connection, and limited post is positioned at turning handle side;
Wherein, handle bearing comprises for top power of unloading through hole, holder head and the connector passed of the moon, and connector is provided with external thread, and it is threaded with pilot hole, the end face of holder head is the spiral end face spiraled to connector spiral, and the hand of spiral of spiral end face is identical with externally threaded rotation direction.
Further, cloudy top fixed mechanism comprises and is covered on cloudy cover plate on pilot hole aperture and the cloudy top cloudy spring of resiliency supported, the movable span aperture on cloudy cover plate 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, cloudy spring housing is arranged between the spring boss in cloudy top and pilot hole.
Further, the top fixed mechanism of sun comprises the blind hole cover plate and the positive spring top with supporting sun that cover and be 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 center pit, blind hole cover plate be provided with stretch out for cone centre stretch out hole.
Further, pilot hole and Blind locating holes central axis conllinear, the elasticity coefficient of cloudy spring is greater than the elasticity coefficient of positive spring, and the one side near plunger on blind hole cover plate is provided with positioning boss.
Further, holder head is also provided with compression confined planes, two end lines of spiral end face are positioned at and compress on confined planes, and compression confined planes is the plane along spiral end face central axis.
Compared with prior art, plunger skewed slot of the present utility model apart from top Quick Measurement cubing carry out plunger comprehensive fixing after, find measurement point by wheel measuring head, measuring head lower end contacts with skewed slot sideline all the time in measuring process, and by rotating slowly near measurement point, and be accurately positioned on measurement point according to position-limit mechanism, therefore measuring accuracy is high, and meanwhile, only need rotate This move just can complete the location of measuring position and the triggering of meter, easy and simple to handle, work efficiency is high; Meanwhile, laborsavingly can carry out unloading by the spiral end face on handle bearing and carry out clamping plunger fast, and its wear extent affects little on unloading and clamping; This measuring mechanism also can be made to be applicable to various plunger skewed slot by regulating measuring head to measure.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of handle bearing in Fig. 1.
In figure: 1, base, 2, cloudy top fixed mechanism, 21, cloudy dead head, 22, cloudy spring, 23, cloudy top, 24, handle bearing, 241, holder head, 2411, spiral end face, 2412, compress confined planes, 242, bearing boss, 243, connector, 25, unload power handle, 3, plunger, 4, sun dead head, 5, gauge stand, 6, sounding rod, 7, pull bar, 8, pull bar cover plate, 9, meter, 10, first spring, 11, second spring, 12, first gib screw, 13, second gib screw, 14, position-limit mechanism, 141, turning handle, 142, fixed pin shaft, 15, limited post, 16, sun is top, 17, blind hole cover plate, 18, sun spring, 19, positioning seat.
Embodiment
As shown in Figure 1-2, a kind of plunger skewed slot of the present utility model, apart from top Quick Measurement cubing, comprising:
Base 1;
Be located at the top fixed mechanism of the moon 2 on base 1 and the top fixed mechanism of sun, the moon top 23 that cloudy top fixed mechanism 2 comprises cloudy dead head 21 and is located in the pilot hole of cloudy dead head 21, the sun top 16 that the top fixed mechanism of sun comprises positive dead head 4 and is located in the Blind locating holes of positive dead head 4, one end of cloudy top 23 and one end of sun top 16 are respectively from plunger 3 two ends elastic clamping plunger 3, the other end of cloudy top 23 is provided with power of the unloading handle 25 be positioned at outside pilot hole, and the aperture, one end of pilot hole is provided with the handle bearing 24 supporting and unload power handle 25 action;
For the gauge stand 5 of fixation measuring table 9, be fixed on base 1, which is provided with meter 9 pilot hole and meter 9 fixed orifice vertical with meter 9 pilot hole;
Contact the positioning seat 19 of locating with plunger 3 flat horizontal surface, be fixed on base 1, it comprises and contacts with plunger 3 flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on the positive dead head 4 of cloudy top fixed mechanism 2, comprise pull bar 7, elastic mechanism, sounding rod 6, pull bar cover plate 8 and position-limit mechanism 14;
Wherein, pull bar 7 is arranged in the tie rod hole of positive dead head 4, tie rod hole is two-stage tie rod hole, one section near meter 9 is one-level tie rod hole, another section is secondary tie rod hole, secondary tie rod hole is connected with pull bar 7 transition fit, pull bar cover plate 8 is covered on one-level tie rod hole aperture, pull bar 7 is provided with the spring retainer boss being positioned at tie rod hole, one end of pull bar 7 is connected with the contact of meter 9, the other end of pull bar 7 is provided with the measured hole perpendicular to pull bar 7 axis, pull bar 7 other end end face is provided with the measurement fixed orifice be communicated with measured hole, measure fixed orifice perpendicular to measured hole,
Wherein, elastic mechanism comprises the first spring 10 and the second spring 11 be located in one-level tie rod hole, the end face of the first spring 10 is connected with the side of spring retainer boss, the end face of the second spring 11 is connected with the opposite side of spring retainer boss, the side of spring retainer boss is the side near meter 9, and the elasticity coefficient of the second spring 11 is greater than the elasticity coefficient of the first spring 10;
Wherein, sounding rod 6 is arranged in measured hole, and is fixed by the first gib screw 12 be threaded with measurement fixed orifice, and sounding rod 6 lower end is provided with the conical surface contacting with the skewed slot sideline of plunger 3 to carry out measuring;
Wherein, position-limit mechanism 14 comprises and strains at the turning handle 141 and limited post 15 that bar 7 one end is fixedly connected with, turning handle 141 one end and positive dead head 4 pinned connection, and limited post 15 is positioned at turning handle 141 side;
Wherein, handle bearing 24 comprises power of the unloading through hole, holder head 241 and the connector 243 that pass for the moon top 23, connector 243 is provided with external thread, it is threaded with pilot hole, the end face of holder head 241 is the spiral end face 2411 spiraled to connector 243 spiral, and the hand of spiral of spiral end face 2411 is identical with externally threaded rotation direction.
A kind of plunger skewed slot of the present utility model apart from top Quick Measurement cubing before operation, length below measured hole can be stretched out according to plunger 3 exemplar adjustment sounding rod 6, to ensure that the sounding rod 6 lower end conical surface is connected with plunger 3 skewed slot, plunger 3 is clamped between cloudy top 23 and sun top 16, and pass through plane of orientation position ram 3 flat horizontal surface of positioning seat 19, in preventing skewed slot from measuring, plunger 3 rotates, when measuring, only need rotary motion handle 141, turning handle 141 drives pull bar 7 to rotate centered by fixed pin shaft 142, because plunger 3 is fixed, elastic mechanism drives sounding rod 6 lower end compress skewed slot sideline and rotate along it, pull bar 7 is under skewed slot sideline and elastic mechanism effect, produce displacement and feed back to be connected with its one end and measure contact, when turning to default measuring position, the limited post 15 of position-limit mechanism 14 limits pull bar 7 and rotates further, just corresponding side size or tolerance value can be read by meter 9 now, support unloading elastic force can be carried out by the spiral end face 2411 on handle bearing 24 fast by rotary unloading power handle 25, take out plunger 3, even if this unloads power handle 25 or spiral end face 2411 weares and teares, in the presence of a tensile force, unload power handle 25 and still keep close contact state with spiral end face 2411, and the less revolving force unloaded on power handle 25 just can produce larger discharging workpieces unload power, can working strength be alleviated.
Therefore, plunger skewed slot of the present utility model apart from top Quick Measurement cubing carry out plunger 3 comprehensive fixing after, find measurement point by wheel measuring head, measuring head lower end contacts with skewed slot sideline all the time in measuring process, and by rotating slowly near measurement point, and be accurately positioned on measurement point according to position-limit mechanism 14, therefore measuring accuracy is high, and meanwhile, only need rotate This move just can complete the location of measuring position and the triggering of meter 9, easy and simple to handle, work efficiency is high; Meanwhile, laborsavingly can carry out unloading by the spiral end face 2411 on handle bearing 24 and carry out clamping plunger 3 fast, and its wear extent affects little on unloading and clamping; This measuring mechanism also can be made to be applicable to various plunger 3 skewed slot by regulating measuring head to measure.
Preferred technical scheme further, cloudy top fixed mechanism 2 also comprises the cloudy spring 22 being covered on cloudy cover plate on pilot hole aperture and resiliency supported cloudy top 23, the movable span aperture on cloudy cover plate is stretched out in one end of cloudy top 23, and this one end is provided with the cone tank adapted with plunger 3 nose cone face, cloudy spring 22 cover is arranged between the spring boss in cloudy top 23 and pilot hole.
More preferred technical scheme, the top fixed mechanism of sun also comprise cover the blind hole cover plate 17 that is located on Blind locating holes aperture and with the positive spring 18 supporting sun top 16, sun spring 18 is located in Blind locating holes, sun top 16 is provided with near the end face of plunger 3 cone centre adapted with plunger 3 center pit, blind hole cover plate 17 be provided with stretch out for cone centre stretch out hole.
In this example, in order to ensure that plunger 3 is properly oriented, pilot hole and Blind locating holes central axis conllinear, simultaneously, one side near plunger 3 on blind hole cover plate 17 is provided with positioning boss, the elasticity coefficient of cloudy spring 22 is greater than the elasticity coefficient of positive spring 18, and therefore the lower surface of plunger 3 is reliably pressed on positioning boss.
In this example, in order to prevent the snap-in force of workpiece excessive, as shown in Figure 2, holder head 241 is also provided with and compresses confined planes 2412, two end lines of spiral end face 2411 are positioned at and compress on confined planes 2412, compression confined planes 2412 is the plane along spiral end face 2411 central axis, unloads power handle 25 and rotates to compressing the rear stopping of confined planes 2412 along spiral end face 2411.
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 (5)
1. plunger skewed slot is apart from a top Quick Measurement cubing, it is characterized in that, comprising:
Base (1);
Be located at the top fixed mechanism of the moon (2) on base (1) and the top fixed mechanism of sun, cloudy top fixed mechanism (2) comprises cloudy dead head (21) and is located at the moon top (23) in the pilot hole of cloudy dead head (21), the top fixed mechanism of sun comprises positive dead head (4) and is located at the sun top (16) in the Blind locating holes of positive dead head (4), the one end of cloudy top (23) and one end of sun top (16) are respectively from plunger (3) two ends elastic clamping plunger (3), the other end of cloudy top (23) is provided with power of the unloading handle (25) be positioned at outside described pilot hole, the aperture, one end of described pilot hole is provided with the handle bearing (24) unloading power handle (25) action described in support,
For the gauge stand (5) of fixation measuring table (9), be fixed on base (1), which is provided with meter pilot hole and the meter vertical with meter pilot hole (9) fixed orifice;
Contact the positioning seat (19) of locating with plunger (3) flat horizontal surface, be fixed on base (1), it comprises and contacts with plunger (3) flat horizontal surface the plane of orientation connected;
Be located at the measuring mechanism on the positive dead head (4) of cloudy top fixed mechanism (2), comprise pull bar (7), elastic mechanism, sounding rod (6), pull bar cover plate (8) and position-limit mechanism (14);
Wherein, pull bar (7) is arranged in the tie rod hole of positive dead head (4), described tie rod hole is two-stage tie rod hole, one section near meter (9) is one-level tie rod hole, another section is secondary tie rod hole, described secondary tie rod hole is connected with pull bar (7) transition fit, pull bar cover plate (8) is covered on described one-level tie rod hole aperture, pull bar (7) is provided with the spring retainer boss being positioned at described tie rod hole, one end of pull bar (7) is connected with the contact of meter (9), the other end of pull bar (7) is provided with the measured hole perpendicular to pull bar (7) axis, pull bar (7) other end end face is provided with the measurement fixed orifice be communicated with described measured hole, described measurement fixed orifice is perpendicular to described measured hole,
Wherein, described elastic mechanism comprises is located at the first spring (10) in described one-level tie rod hole and the second spring (11), the end face of the first spring (10) is connected with the side of described spring retainer boss, the end face of the second spring (11) is connected with the opposite side of described spring retainer boss, the side of described spring retainer boss is the side near meter (9), and the elasticity coefficient of described second spring (11) is greater than the elasticity coefficient of the first spring (10);
Wherein, sounding rod (6) is arranged in described measured hole, and is fixed by the first gib screw (12) be threaded with described measurement fixed orifice, and sounding rod (6) lower end is provided with the conical surface;
Wherein, position-limit mechanism (14) comprises and strains at the turning handle (141) and limited post (15) that bar (7) one end is fixedly connected with, described turning handle (141) one end and positive dead head (4) pinned connection, limited post (15) is positioned at turning handle (141) side;
Wherein, described handle bearing (24) comprises power of the unloading through hole, holder head (241) and the connector (243) that pass for described the moon top (23), connector (243) is provided with external thread, it is threaded with described pilot hole, the end face of described holder head (241) is the spiral end face (2411) spiraled to connector (243) spiral, and the hand of spiral of spiral end face (2411) is identical with described externally threaded rotation direction.
2. a kind of plunger skewed slot according to claim 1 is apart from top Quick Measurement cubing, it is characterized in that: the top fixed mechanism of described the moon (2) also comprises the cloudy spring (22) being covered on cloudy top (23) described in cloudy cover plate on described pilot hole aperture and resiliency supported, the movable span aperture on described cloudy cover plate is stretched out in one end of described the moon top (23), and this one end is provided with the cone tank adapted with plunger (3) nose cone face, cloudy spring (22) cover is arranged between the described spring boss in cloudy top (23) and described pilot hole.
3. a kind of plunger skewed slot according to claim 2 is apart from top Quick Measurement cubing, it is characterized in that: described sun top (16) fixed mechanism also comprise cover the blind hole cover plate (17) that is located on described Blind locating holes aperture and with the positive spring (18) supporting described sun top (16), sun spring (18) is located in described Blind locating holes, the upper end face near plunger (3) of sun top (16) is provided with the cone centre adapted with plunger (3) center pit, blind hole cover plate (17) be provided with stretch out for described cone centre stretch out hole.
4. a kind of plunger skewed slot according to claim 3 is apart from top Quick Measurement cubing, it is characterized in that: described pilot hole and described Blind locating holes central axis conllinear, the elasticity coefficient of described cloudy spring (22) is greater than the elasticity coefficient of positive spring (18), and the upper one side near plunger (3) of described blind hole cover plate (17) is provided with positioning boss.
5. a kind of plunger skewed slot according to claim 1 is apart from top Quick Measurement cubing, it is characterized in that: described holder head (241) is also provided with and compresses confined planes (2412), two end lines of described spiral end face (2411) are positioned at and compress on confined planes (2412), and compression confined planes (2412) is the plane along spiral end face (2411) central axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255675.0U CN204988224U (en) | 2015-04-24 | 2015-04-24 | Utensil is examined apart from a rapid survey to plunger chute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520255675.0U CN204988224U (en) | 2015-04-24 | 2015-04-24 | Utensil is examined apart from a rapid survey to plunger chute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204988224U true CN204988224U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520255675.0U Expired - Fee Related CN204988224U (en) | 2015-04-24 | 2015-04-24 | Utensil is examined apart from a rapid survey to plunger chute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204988224U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824811A (en) * | 2017-12-10 | 2018-03-23 | 无锡特恒科技有限公司 | Quick clip structural formula movable center mechanism |
-
2015
- 2015-04-24 CN CN201520255675.0U patent/CN204988224U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107824811A (en) * | 2017-12-10 | 2018-03-23 | 无锡特恒科技有限公司 | Quick clip structural formula movable center mechanism |
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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 |
Granted publication date: 20160120 Termination date: 20190424 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |