CN203752093U - Special tool for detaching and installing valve spring of diesel engine - Google Patents
Special tool for detaching and installing valve spring of diesel engine Download PDFInfo
- Publication number
- CN203752093U CN203752093U CN201420139905.2U CN201420139905U CN203752093U CN 203752093 U CN203752093 U CN 203752093U CN 201420139905 U CN201420139905 U CN 201420139905U CN 203752093 U CN203752093 U CN 203752093U
- Authority
- CN
- China
- Prior art keywords
- movable stand
- supporting plate
- hole
- hold
- valve spring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model relates to a special tool for detaching and installing a valve spring of a diesel engine. The special tool comprises a supporting plate base, a mobile frame body, a pressing sleeve, a pressing rod and the like; the mobile frame body is arranged above the supporting plate base; the lower portion of a vertical plate slab of the mobile frame body is arranged between two guide rails in a clamped mode and fixed through fixing screws; the pressing rod is connected onto the mobile frame body through a tension spring and a pin shaft and connected with the pressing sleeve. During usage, the position of the mobile frame body is adjusted, the pressing rod is pressed through a hand, the pressing sleeve which is connected with a pin is driven by the pressing rod, the pressing sleeve is vertically downward to apply the force to an upper base of the valve spring, the upper base of the valve spring can move downward according to the lever principle, and a valve lock clamp is forced to be separated from a valve and the upper base of the valve spring, and accordingly the detachment of the valve spring is achieved. The special tool for detaching and installing the valve spring of the diesel engine is simple in production, easy to maintain, small in occupied space and particularly suitable for an airway test room.
Description
Technical field
The utility model relates to a kind of tool special for dismounting, specifically a kind of specific purpose tool of dismounting diesel engine valve spring.
Background technology
In diesel engine production process, the performance that detects performance is absolutely necessary.But cylinder cap is the outer valve spring of must dismantling before air port performance detects, air flue test also needs to restore to the original state after detecting and finishing.In the time of dismounting outer valve spring, because valve spring rigidity is large, locker and valve spring upper seat are again conical surface laminatings in addition, and the spring force of valve spring is held tightly locker and valve stem firmly.If will dismantle thus valve spring just must separate locker just and can be achieved with valve.In order to protect air flue test equipment guarantee test precision again, traditional method is to adopt to carry out dismounting as instruments such as hammer, collet head, spanners, requires great effort time-consuming dangerous again.
Utility model content
For prior art above shortcomings, the utility model provides a kind of specific purpose tool of dismounting diesel engine valve spring.
The purpose of this utility model is achieved by the following technical programs:
A specific purpose tool for dismounting diesel engine valve spring, comprises supporting plate seat, movable support body, gland 3 and depression bar 5; Supporting plate seat is made up of supporting plate 1 and two guide rails 16; Supporting plate 1 is square plate.Article two, guide rail 16 arranges abreast along supporting plate 1 width, and is bonded on the limit, left side of plane on supporting plate 1.Article two, the spacing of guide rail 16 is H, and the side of guide rail 16 that is arranged on outside is provided with long waist shaped hole 17; Movable support body is made up of movable stand 2, reinforcement 14, fairlead 4 and hold-down support 6; Movable stand 2 is L shaped wide lath.Movable stand 2 right angle places are engaging reinforcement 14, and the side of movable stand 2 vertical lamellae bottoms is provided with screwed hole.The spacing that the thickness of movable stand 2 vertical lamellaes is slightly less than two guide rails 16 on supporting plate seat is H.In movable stand 2 transverse slats, in-plane is engaging hold-down support 6, and is provided with a through hole on the right side of hold-down support 6.The left side that is positioned at hold-down support 6 on the side of movable stand 2 transverse slats is provided with a round pin.The lower plane of movable stand 2 transverse slats is engaging fairlead 4, fairlead 4 and corresponding the communicating of through hole in movable stand 2 transverse slats.
Gland 3 is Changshao shape, and bottom stage is short column ducted body, and shank is thin bar post, and head is provided with through hole; Depression bar 5 its heads are provided with a round pin, and its middle front part is provided with a through hole, and its middle part is provided with a mounting hole; Movable support body is arranged on the top of supporting plate seat.The vertical lamellae bottom of movable stand 2 is folded between two guide rails 16, and fixing by hold-down screw 12.The shoulder of hold-down screw 12 and packing ring are together against the lateral surface of follower rail 16, and the screw rod of hold-down screw 12 is connected in the screwed hole of movable stand 2 vertical lamellaes through long waist shaped hole 17; Depression bar 5 is connected on movable stand 2 by extension spring 7, bearing pin 13, and is connected with gland 3.One end of extension spring 7 is hooked on the round pin of depression bar 5 heads, the other end of extension spring 7 is hooked on the round pin of movable stand 2, through hole on depression bar 5 is hinged on hold-down support 6 by bearing pin 13, mounting hole on depression bar 5 is hinged on by round pin in the through hole of gland 3 heads, the shank of gland 3 is connected in fairlead 4, and the bottom of gland 3 straight down.
The useful technique effect of the utility model embodies in the following areas:
The utility model is made simple, safeguards that easily, occupation of land space is less, is particularly suitable for using between air flue test.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model structure.
Fig. 2 is that the A of Fig. 1 is to partial view.
Fig. 3 is the part schematic diagram of gland.
Fig. 4 is the left view of Fig. 3.
Sequence number in figure, 1 supporting plate, 2 movable stands, 3 glands, 4 fairleads, 5 depression bars, 6 hold-down supports, 7 extension springs, 8 valve collets, 9 valve spring upper seats, 10 outer valve springs, 11 valves, 12 hold-down screws, 13 bearing pins, 14 reinforcements, 15 cylinder caps, 16 guide rails, 17 long waist shaped holes.
Detailed description of the invention
Below in conjunction with accompanying drawing, by embodiment, the utility model is further described.
Referring to Fig. 1, a kind of specific purpose tool of dismounting diesel engine valve spring, comprises supporting plate seat, movable support body, gland 3 and depression bar 5; Supporting plate seat is made up of supporting plate 1 and two guide rails 16.
Referring to Fig. 1, Fig. 2.Supporting plate 1 is square plate, thickness 10mm left and right.Article two, the wide 20mm length of thick 8mm arranges along supporting plate 1 width abreast with the wide identical lath guide rail 16 of supporting plate 1 base plate, and is bonded on the limit, left side of plane on supporting plate 1.Article two, the spacing of guide rail 16 is 8mm, and the side of guide rail 16 that is arranged on outside is provided with the long waist shaped hole 17 of wide 11mm; Movable support body is made up of movable stand 2, reinforcement 14, fairlead 4 and hold-down support 6; Movable stand 2 is L shaped wide lath.Movable stand 2 right angle places are engaging reinforcement 14, to improve the support stiffness of movable stand 2.The side of movable stand 2 vertical lamellae bottoms is provided with M12 screwed hole.The thickness 7.8mm of movable stand 2 vertical lamellaes.In movable stand 2 transverse slats, in-plane is engaging hold-down support 6, and the right side that is positioned at hold-down support 6 is provided with a through hole.The left side that is positioned at hold-down support 6 on the side of movable stand 2 transverse slats is provided with a round pin.The lower plane of movable stand 2 transverse slats is engaging fairlead 4, fairlead 4 and corresponding the communicating of through hole in movable stand 2 transverse slats.
Referring to Fig. 3, Fig. 4.Gland 3 is Changshao shape, and bottom stage is short column ducted body, and shank is thin bar post, and head is provided with through hole.Gland 3 takes out valve collet 8 or reload in valve spring upper seat 9 for convenient, and the bottom thickness of gland 3 is not less than 20mm, avoids valve collet 8 to escape.
Depression bar 5 its heads are provided with a round pin, and its middle front part is provided with a through hole, and its middle part is provided with a mounting hole; Movable support body is arranged on the top of supporting plate seat.The vertical lamellae bottom of movable stand 2 is folded between two guide rails 16, and fixing by hold-down screw 12.The shoulder of hold-down screw 12 and packing ring are together against the lateral surface of follower rail 16, and the screw rod of hold-down screw 12 is connected in the M12 screwed hole of movable stand 2 vertical lamellaes through long waist shaped hole 17; Depression bar 5 is connected on movable stand 2 by extension spring 7, bearing pin 13, and is connected with gland 3.One end of extension spring 7 is hooked on the round pin of depression bar 5 heads, the other end of extension spring 7 is hooked on the round pin of movable stand 2, through hole on depression bar 5 is hinged on hold-down support 6 by bearing pin 13, mounting hole on depression bar 5 is hinged on by round pin in the through hole of gland 3 heads, the shank of gland 3 is connected in fairlead 4, and the bottom of gland 3 straight down.
Embodiment:
The utility model operation principle:
Referring to Fig. 1, Fig. 2.First the Multi-Cylinder Diesel Engine cylinder cap 15 for the treatment of dismounting valve spring is placed on supporting plate 1, the guide rail 16 going out with two long narrow Plate Weldings on supporting plate 1, it is the position of being convenient to adjust movable stand 2, thereby do not need mobile cylinder cap 15 and the valve spring of different cylinders for convenience detach, movable stand 2 positions are adjusted rear fixing with screw 12.
When use, press moulded rod 5 downwards with hand, the gland 3 that depression bar 5 drives round pin to connect, under the guide effect of fairlead 4, gland 3 acts on valve spring upper seat 9 vertically downward, and valve spring upper seat 9 is moved downward, and cannot further move downward because valve 11 is subject to the support of supporting plate 1, force valve collet 8 to separate with valve 11 and valve spring upper seat 9, thereby realize the dismounting of outer valve spring 10.
Claims (2)
1. a specific purpose tool for dismounting diesel engine valve spring, is characterized in that: comprise supporting plate seat, movable support body, gland (3) and depression bar (5); Described supporting plate seat is made up of supporting plate (1) and two guide rails (16); Described supporting plate (1) is square plate; Article two, guide rail (16) arranges abreast along supporting plate (1) width, and is bonded on the limit, left side of the upper plane of supporting plate (1); The spacing of described two guide rails (16) is H, and the side of guide rail (16) that is arranged on outside is provided with long waist shaped hole (17); Described movable support body is made up of movable stand (2), reinforcement (14), fairlead (4) and hold-down support (6); Described movable stand (2) is L shaped wide lath, and movable stand (2) right angle place is engaging reinforcement (14), and the side of movable stand (2) vertical lamellae bottom is provided with screwed hole; In movable stand (2) transverse slats, in-plane is engaging hold-down support (6), and is provided with a through hole on the right side of hold-down support (6); The left side that is positioned at hold-down support (6) on the side of movable stand (2) transverse slats is provided with a round pin; The lower plane of movable stand (2) transverse slats is engaging fairlead (4), fairlead (4) and corresponding the communicating of through hole in movable stand (2) transverse slats; Described gland (3) is Changshao shape, and bottom stage is short column ducted body, and shank is thin bar post, and head is provided with through hole; Its head of described depression bar (5) is provided with a round pin, and its middle front part is provided with a through hole, and its middle part is provided with a mounting hole; Described movable support body is arranged on the top of supporting plate seat; The vertical lamellae bottom of described movable stand (2) is folded between two guide rails (16), and fixing by hold-down screw (12); The shoulder of described hold-down screw (12) and packing ring are together against the lateral surface of follower rail (16), and the screw rod of hold-down screw (12) is connected in the screwed hole of movable stand (2) vertical lamellae through long waist shaped hole (17); It is upper that described depression bar (5) is connected to movable stand (2) by extension spring (7), bearing pin (13), and be connected with gland (3); One end of described extension spring (7) is hooked on the round pin of depression bar (5) head, the other end of extension spring (7) is hooked on the round pin of movable stand (2), through hole on depression bar (5) is hinged on hold-down support (6) by bearing pin (13), mounting hole on depression bar (5) is hinged on by round pin in the through hole of gland (3) head, the shank of described gland (3) is connected in fairlead (4), and the bottom of gland (3) straight down.
2. the specific purpose tool of a kind of dismounting diesel engine valve spring according to claim 1, is characterized in that: the thickness of described movable stand (2) vertical lamellae is slightly less than the spacing H of two guide rails (16) on supporting plate seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139905.2U CN203752093U (en) | 2014-03-26 | 2014-03-26 | Special tool for detaching and installing valve spring of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420139905.2U CN203752093U (en) | 2014-03-26 | 2014-03-26 | Special tool for detaching and installing valve spring of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203752093U true CN203752093U (en) | 2014-08-06 |
Family
ID=51247401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420139905.2U Withdrawn - After Issue CN203752093U (en) | 2014-03-26 | 2014-03-26 | Special tool for detaching and installing valve spring of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203752093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894972A (en) * | 2014-03-26 | 2014-07-02 | 安徽全柴动力股份有限公司 | Tool special for disassembling diesel engine valve spring |
-
2014
- 2014-03-26 CN CN201420139905.2U patent/CN203752093U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103894972A (en) * | 2014-03-26 | 2014-07-02 | 安徽全柴动力股份有限公司 | Tool special for disassembling diesel engine valve spring |
| CN103894972B (en) * | 2014-03-26 | 2016-03-30 | 安徽全柴动力股份有限公司 | A kind of specific purpose tool of dismounting diesel engine valve spring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140806 Effective date of abandoning: 20160330 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |