CN204964134U - Cylinder body bent axle hole oil duct seals detection device with adjustable - Google Patents

Cylinder body bent axle hole oil duct seals detection device with adjustable Download PDF

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Publication number
CN204964134U
CN204964134U CN201520723869.9U CN201520723869U CN204964134U CN 204964134 U CN204964134 U CN 204964134U CN 201520723869 U CN201520723869 U CN 201520723869U CN 204964134 U CN204964134 U CN 204964134U
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CN
China
Prior art keywords
bearing pin
push rod
hole
fixed
oil channel
Prior art date
Application number
CN201520723869.9U
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Chinese (zh)
Inventor
胡�治
Original Assignee
神龙汽车有限公司
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Priority to CN201520723869.9U priority Critical patent/CN204964134U/en
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Publication of CN204964134U publication Critical patent/CN204964134U/en

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Abstract

The utility model discloses a cylinder body bent axle hole oil duct seals detection device with adjustable, it includes the device body, and device body one end tip is opened has the fluid hole, and the one end of device body inner chamber is equipped with the piston rod in the positive convection current body opening exit of tip, and the inner chamber central authorities of device body are equipped with the push rod, are equipped with the spring between the terminal surface of the other end of the head of push rod and the inner chamber of device body, the device is equipped with a plurality of stop collars on the body, on the device body still the cover be equipped with a plurality of clamping rings, be connected with the round pin axle between push rod, device body and the clamping ring, during the clamping ring was fixed in at the both ends of round pin axle, the middle part was fixed in in the push rod, there is relative activity space along the axial direction of device body, with installing in round pin axle between the body, is equipped with a plurality of spacer rings between clamping ring and the stop collar, between spacer ring and the stop collar, between the spacer ring, all be equipped with the oil duct sealing washer of sealed bent axle hole oil duct between spacer ring and the clamping ring. Detection device inner structure is simple, no too much sealing material, and it is convenient to maintain, long service life.

Description

Adjustable cylinder crankshaft hole oil channel sealing pick-up unit

Technical field

The utility model relates to engine oil cylinder pick-up unit technical field, refers to a kind of adjustable cylinder crankshaft hole oil channel sealing pick-up unit particularly.

Background technology

Engine, as the heart of the plant equipment such as automobile, requires that it has height reliability.In order to ensure the reliability of engine part, in the fabrication phase of engine part, need to carry out water channel (cooling system) and the detection of Oil passage (lube system) leak test.Cylinder body, as the main part of engine, is responsible for supporting engine main motion parts, such as bent axle, camshaft, piston etc.Due to water channel, to lead to outer vent less and all peripheral at cylinder body, and easy shutoff, therefore water channel sealing detection easily realizes.Oil duct leads to the more and oilhole of outer each oil site all at crankshaft hole, camshaft hole inwall, and shutoff is difficult especially.It is that the back pressure produced after employing special type hydraulic cylinder inputs hydraulic oil drives O-ring seal expansion to carry out the oil hole of shutoff crankshaft hole that many producers are detected the oil channel sealing in cylinder crankshaft hole, oil cylinder inner structure is complicated, difficult in maintenance, and even damage is caused to oil cylinder the serviceable life that higher back pressure can shorten oil cylinder internal seal structure greatly, finally cannot form stable pressure to maintain the swell increment of O-ring seal, and the swell increment that can not adjust O-ring seal carrys out the Form and position error on compensating cylinder part oil duct surface, easily cause the erroneous judgement that cylinder-body oil duct crankshaft hole sealing is leaked.

Summary of the invention

The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, a kind of adjustable cylinder crankshaft hole oil channel sealing pick-up unit is provided, this device can solve the problems of the technologies described above well, detects the sealing of crankshaft hole oil duct rapidly and accurately, and structure of the detecting device simple and stable.

For realizing this object, adjustable cylinder crankshaft hole oil channel sealing pick-up unit designed by the utility model, it comprises device body, the end, one end of described device body has fluid bore, one end of the inner chamber of described device body is provided with the piston rod in the exit of the positive convection current body opening in end, the inner chamber central authorities of described device body are provided with push rod, are provided with spring between the end face of the other end of the head of described push rod and the inner chamber of device body; Described device body is provided with multiple stop collar, and described device body is also arranged with multiple pressure ring, described push rod, is connected with bearing pin between device body and pressure ring, and the two ends of described bearing pin are fixed in pressure ring, and middle part is fixed in push rod; There is relative motion space along between the axial direction and device body of device body in described bearing pin, is provided with multiple spacer ring between described pressure ring and stop collar; The oil channel sealing circle sealing crankshaft hole oil duct is equipped with between described spacer ring and stop collar, between spacer ring, between spacer ring and pressure ring.

Further, described device body comprises multiple spacer shell be sheathed on push rod, the pushing rod sleeve that described spacer shell comprises stop collar and is coaxially fixedly connected with stop collar, and the middle part of described stop collar is the locating slot coordinated with pushing rod sleeve end.

Further, the spacer shell end of described device body one end is connected with valve seat, described piston rod is arranged in valve seat, the inner chamber of described valve seat and the inner space of spacer shell, the end face of described valve seat is fixed with end cap, described fluid bore is arranged at end cap central authorities, the inner space of described fluid bore and valve seat.

Further, the end winding support of the spacer shell of the described device body other end has spring base, and described spring is arranged in spring base.

Further, one end of described push rod has threaded hole, is combined with set screw in described threaded hole.

Further, described pressure ring has two just right bearing pin fixed orifices, described pushing rod sleeve has two just right the first bearing pin via holes, described push rod has the second just right bearing pin via hole of many groups along its axial direction, the middle part of bearing pin is fixed in the second bearing pin via hole, the two ends of bearing pin are fixed in two bearing pin fixed orifices, and the length of described first bearing pin via hole is greater than the diameter of bearing pin, and the first bearing pin via hole is the activity space of bearing pin.

Further, the end of described piston rod is arranged in fluid bore.

Further, described upper cover of piston rod is established and is fixed with multiple piston rod packing circle.

The beneficial effects of the utility model are: pick-up unit inner structure is simple, without too much encapsulant, easy to maintenance, long service life, and the axial distance of push rod can be changed by the overhang changing internal regulation screw, the swell increment of O-ring seal can be regulated, substantially increase the applicability of pick-up unit, and device has good sealing.

Accompanying drawing explanation

The structural representation of the pick-up unit of Fig. 1 designed by the utility model;

Fig. 2 is the axial section of Fig. 1;

Fig. 3 is the structural representation of pressure ring in the utility model;

Fig. 4 is the structural representation of spacer shell in the utility model;

Fig. 5 is the structural representation of push rod in the utility model;

Wherein, 1-device body, 2-fluid bore, 3-piston rod, 4-push rod, 5-spring, 6-stop collar, 7-pressure ring, 8-bearing pin, 9-spacer ring, 10-oil channel sealing circle, 11-spacer shell, 12-pushing rod sleeve, 13-valve seat, 14-end cap, 15-spring base, 16-set screw, 17-bearing pin fixed orifice, 18-the first bearing pin via hole, the 19-the second bearing pin via hole, 20-piston rod packing circle.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Adjustable cylinder crankshaft hole oil channel sealing pick-up unit as shown in Fig. 1-2, comprise device body 1, the end, one end of device body 1 has fluid bore 2, one end of the inner chamber of device body 1 is provided with the piston rod 3 in the exit of the positive convection current body opening 2 in end, the inner chamber central authorities of device body 1 are provided with push rod 4, are provided with spring 5 between the end face of the other end of the head of push rod 4 and the inner chamber of device body 1; Device body 1 is provided with multiple stop collar 6, device body 1 is also arranged with multiple pressure ring 7, push rod 4, is connected with bearing pin 8 between device body 1 and pressure ring 7, and the two ends of bearing pin 8 are fixed in pressure ring 7, and middle part is fixed in push rod 4; There is relative motion space along between the axial direction and device body 1 of device body 1 in bearing pin 8, is provided with multiple spacer ring 9 between pressure ring 7 and stop collar 6; The oil channel sealing circle 10 sealing crankshaft hole oil duct is equipped with between spacer ring 9 and stop collar 6, between spacer ring 9, between spacer ring 9 and pressure ring 7.

In technique scheme, device body 1 comprises multiple spacer shell 11 be sheathed on push rod 4, the pushing rod sleeve 12 that spacer shell 11 comprises stop collar 6 and is coaxially fixedly connected with stop collar 6, and the middle part of stop collar 6 is the locating slot coordinated with pushing rod sleeve 12 end.

In technique scheme, spacer shell 11 end of device body 1 one end is connected with valve seat 13, piston rod 3 is arranged in valve seat 13, the inner chamber of valve seat 13 and the inner space of spacer shell 11, the end face of valve seat 13 is fixed with end cap 14, fluid bore 2 is arranged at end cap 14 central authorities, the inner space of fluid bore 2 and valve seat 13.

In technique scheme, the end winding support of the spacer shell 11 of device body 1 other end has spring base 15, and spring 5 is arranged in spring base 15.

In technique scheme, one end of push rod 4 has threaded hole, is combined with set screw 16 in threaded hole.

As shown in Fig. 3-5, pressure ring 7 has two just right bearing pin fixed orifices 17, pushing rod sleeve 12 has two just right the first bearing pin via holes 18, push rod 4 has the second just right bearing pin via hole 19 of many groups along its axial direction, the middle part of bearing pin 8 is fixed in the second bearing pin via hole 19, the two ends of bearing pin 8 are fixed in two bearing pin fixed orifices 17, and the length of the first bearing pin via hole 18 is greater than the diameter of bearing pin 8, and the first bearing pin via hole 18 is the activity space of bearing pin 8.

As shown in Figure 2, the end of piston rod 3 is arranged in fluid bore 2.To guarantee the impetus of fluid to piston rod 3, ensure that piston rod 3 does axial rectilinear motion.

As shown in Figure 2, sheathedly on piston rod 3 multiple piston rod packing circle 20 is fixed with.Prevent in fluid inlet apparatus.

The course of work of the present utility model is: sent into by package unit in cylinder crankshaft hole, makes oil channel sealing circle 10 be in the position of oilhole and fix; The fluid media (medium) (can be hydraulic oil or pressurized air) of certain pressure is filled with by the fluid bore 2 on end cap 14; The elastic force that fluid media (medium) overcomes spring 5 promotes piston 3 axially-movable and then makes push rod 4 also do axial displacement; Pressure ring 7 and push rod 4 are positioned together by bearing pin 8, and therefore pressure ring 7 also does axial displacement, axial displacement scope number can be changed by the screw-in amount changing set screw 16; Pressure ring 7 promotes spacer ring 9, two oil channel sealing circles 10 between three spacer rings 9 be squeezed distortion and expand the oil duct on cylinder crankshaft hole is blocked, the size of swell increment determines according to the axial displacement of pressure ring 7; Be filled with to cylinder crankshaft hole oil duct and show leakage medium (as helium or water etc.), according to the method usually checking oil duct seepage, judge its sealing; Test the fluid media (medium) that rear cut-out passes into, push rod 4 promotes to opposite direction by elastic force by power source disappearance rear spring 5, push rod 4 drives a series of linkage to reset, oil channel sealing circle 10 returns to unswollen state, exited from cylinder crankshaft hole by a whole set of verifying attachment, whole test process terminates.

The above is only preferred embodiment of the present utility model, not does any pro forma restriction to structure of the present utility model.Every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all still belong in the scope of the technical solution of the utility model.

Claims (9)

1. an adjustable cylinder crankshaft hole oil channel sealing pick-up unit, it is characterized in that: it comprises device body (1), the end, one end of described device body (1) has fluid bore (2), one end of the inner chamber of described device body (1) is provided with the piston rod (3) in the exit of the positive convection current body opening (2) in end, the inner chamber central authorities of described device body (1) are provided with push rod (4), are provided with spring (5) between the end face of the other end of the head of described push rod (4) and the inner chamber of device body (1); Described device body (1) is provided with multiple stop collar (6), described device body (1) is also arranged with multiple pressure ring (7), described push rod (4), between device body (1) and pressure ring (7), be connected with bearing pin (8), the two ends of described bearing pin (8) are fixed in pressure ring (7), and middle part is fixed in push rod (4); Described bearing pin (8) along device body (1) axial direction, and device body (1) between there is relative motion space, be provided with multiple spacer ring (9) between described pressure ring (7) and stop collar (6); The oil channel sealing circle (10) sealing crankshaft hole oil duct is equipped with between described spacer ring (9) and stop collar (6), between spacer ring (9), between spacer ring (9) and pressure ring (7).
2. a kind of adjustable cylinder crankshaft hole as claimed in claim 1 oil channel sealing pick-up unit, it is characterized in that: described device body (1) comprises multiple spacer shell (11) be sheathed on push rod (4), the pushing rod sleeve (12) that described spacer shell (11) comprises stop collar (6) and is coaxially fixedly connected with stop collar (6), the middle part of described stop collar (6) is the locating slot coordinated with pushing rod sleeve (12) end.
3. a kind of adjustable cylinder crankshaft hole as claimed in claim 2 oil channel sealing pick-up unit, it is characterized in that: spacer shell (11) end of described device body (1) one end is connected with valve seat (13), described piston rod (3) is arranged in valve seat (13), the inner chamber of described valve seat (13) and the inner space of spacer shell (11), the end face of described valve seat (13) is fixed with end cap (14), described fluid bore (2) is arranged at end cap (14) central authorities, the inner space of described fluid bore (2) and valve seat (13).
4. a kind of adjustable cylinder crankshaft hole as claimed in claim 3 oil channel sealing pick-up unit, it is characterized in that: the end winding support of the spacer shell (11) of described device body (1) other end has spring base (15), and described spring (5) is arranged in spring base (15).
5. a kind of adjustable cylinder crankshaft hole as claimed in claim 1 or 2 oil channel sealing pick-up unit, is characterized in that: one end of described push rod (4) has threaded hole, is combined with set screw (16) in described threaded hole.
6. a kind of adjustable cylinder crankshaft hole as claimed in claim 2 oil channel sealing pick-up unit, it is characterized in that: described pressure ring (7) has two just right bearing pin fixed orifices (17), described pushing rod sleeve (12) has two just right the first bearing pin via holes (18), described push rod (4) has the second just right bearing pin via hole (19) of many groups along its axial direction, the middle part of bearing pin (8) is fixed in the second bearing pin via hole (19), the two ends of bearing pin (8) are fixed in two bearing pin fixed orifices (17), the length of described first bearing pin via hole (18) is greater than the diameter of bearing pin (8), the activity space that first bearing pin via hole (18) is bearing pin (8).
7. the adjustable cylinder crankshaft hole of the one as described in claim 1 or 3 oil channel sealing pick-up unit, is characterized in that: the end of described piston rod (3) is arranged in fluid bore (2).
8. the adjustable cylinder crankshaft hole of the one as described in claim 1 or 3 oil channel sealing pick-up unit, is characterized in that: described piston rod (3) is above sheathed is fixed with multiple piston rod packing circle (20).
9. a kind of adjustable cylinder crankshaft hole as claimed in claim 7 oil channel sealing pick-up unit, is characterized in that: described piston rod (3) is above sheathed is fixed with multiple piston rod packing circle (20).
CN201520723869.9U 2015-09-16 2015-09-16 Cylinder body bent axle hole oil duct seals detection device with adjustable CN204964134U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520723869.9U CN204964134U (en) 2015-09-16 2015-09-16 Cylinder body bent axle hole oil duct seals detection device with adjustable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520723869.9U CN204964134U (en) 2015-09-16 2015-09-16 Cylinder body bent axle hole oil duct seals detection device with adjustable

Publications (1)

Publication Number Publication Date
CN204964134U true CN204964134U (en) 2016-01-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520723869.9U CN204964134U (en) 2015-09-16 2015-09-16 Cylinder body bent axle hole oil duct seals detection device with adjustable

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CN (1) CN204964134U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090217A (en) * 2016-07-08 2016-11-09 安徽江淮汽车股份有限公司 Interior swollen plugging device
CN106382906A (en) * 2016-12-05 2017-02-08 安徽江淮汽车集团股份有限公司 Engine cylinder body crankshaft hole diameter measurement tool
CN109238570A (en) * 2018-10-16 2019-01-18 安徽江淮汽车集团股份有限公司 A kind of opposite plugging mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106090217A (en) * 2016-07-08 2016-11-09 安徽江淮汽车股份有限公司 Interior swollen plugging device
CN106090217B (en) * 2016-07-08 2018-10-30 安徽江淮汽车集团股份有限公司 Interior swollen plugging device
CN106382906A (en) * 2016-12-05 2017-02-08 安徽江淮汽车集团股份有限公司 Engine cylinder body crankshaft hole diameter measurement tool
CN106382906B (en) * 2016-12-05 2018-09-21 安徽江淮汽车集团股份有限公司 Engine cylinder body crankshaft hole diameter measurement tool
CN109238570A (en) * 2018-10-16 2019-01-18 安徽江淮汽车集团股份有限公司 A kind of opposite plugging mechanism

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