CN207273098U - Cam axle frock - Google Patents
Cam axle frock Download PDFInfo
- Publication number
- CN207273098U CN207273098U CN201721310198.9U CN201721310198U CN207273098U CN 207273098 U CN207273098 U CN 207273098U CN 201721310198 U CN201721310198 U CN 201721310198U CN 207273098 U CN207273098 U CN 207273098U
- Authority
- CN
- China
- Prior art keywords
- cam axle
- positioning tube
- axle frock
- chuck
- locating rod
- 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.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The utility model discloses a kind of cam axle frock, including for gripping the clamping device of camshaft sprocket and for the transmission mechanism to clamping device transmission rotary driving force；The cam axle frock of the utility model, before locking nut of the operating personnel on fastening valve adjusting screw, camshaft sprocket is fixed by using the gripper mechanism grips of this frock, transmitting rotary driving force by transmission mechanism again rotates together with clamping device and camshaft sprocket, so as to facilitate operating personnel to carry out the adjusting of valve clearance, to improve the efficiency of automobile engine assembling.
Description
Technical field
Engine frock technical field is the utility model is related to, more particularly to a kind of cam axle frock.
Background technology
Valve clearance is to ensure that engine valve actuating mechanism normal work is set；Since engine is at work
Run at high speed state, causes engine temperature higher, and transfers heat to valve stem, and valve stem is caused valve to leak by thermal stretching
Gas phenomenon；Therefore it is valve stem by thermal stretching slot milling to need to set valve clearance between valve stem and rocking arm.Valve stem
Connected with rocking arm by valve adjusting screw, under valve-closing state, operating personnel are fastened between valve by adjusting
Locking nut in gap adjusting screw, to adjust the gap between valve stem and rocking arm (i.e. valve clearance).In the prior art, adjust
Air throttle clearance adjusting screw and the process complexity for fastening the locking nut on valve adjusting screw, cause operating personnel to exist
It is cumbersome during valve gap adjustment, it have impact on the efficiency of automobile engine assembling.Camshaft is one kind by driving rocking arm control
Valve stem processed moves in air flue, so as to further control valve opening and the device closed；Operating personnel are between valve is fastened
Before locking nut in gap adjusting screw, rotation cam axis can send out the gap (i.e. valve clearance) between rocking arm and valve stem
Changing.
It is therefore desirable to a kind of cam axle frock, facilitates operating personnel to carry out the adjusting of valve clearance, to improve vapour
The efficiency of car engine assembling.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of cam axle frock, operating personnel are facilitated to carry out
The adjusting of valve clearance, to improve the efficiency of automobile engine assembling.
The cam axle frock of the utility model, including for gripping the clamping device of camshaft sprocket and being used for
The transmission mechanism of rotary driving force is transmitted to clamping device.
Further, the clamping device includes chuck and is connected to the positioning tube of chuck, and the chuck, which is equipped with, to be used for along convex
The fixing area that wheel shaft chain wheel radial is caught in, is equipped with the positioning tube to stretch into and fixes area and form axial pressure to camshaft sprocket
The locating rod of power.
Further, the chuck includes two blocks of side plates being arranged in parallel and is located at biside plate top and connects the top of biside plate
Plate, forms the fixing area between two side plates and top plate, the lateral surface of positioning tube connection side plate wherein.
Further, the end face of the close chuck of the positioning tube is recessed to form cavity volume axially inward, and the locating rod is same
It is located in cavity volume and elastic component is equipped between locating rod bottom and cavity volume bottom surface, the locating rod is stretched under the action of elastic component
Enter to fix area and axial compressive force is formed to camshaft sprocket.
Further, the side of the positioning tube is equipped with the limit hole connected with cavity volume, for limiting the limit of the positioning throw of lever
Position part penetrates limit hole and is connected with locating rod.
Further, the positioning tube is equipped with two symmetrical limit holes, and locating part is in rod-shaped and pass perpendicularly through locating rod.
Further, the transmission mechanism be located at end face of the positioning tube away from chuck be used for box spanner socket it is convex
Rise.
Further, the central axis of the central axis of the positioning tube, the central axis of locating rod and protrusion overlaps.
Further, it is socketed with protective case on the positioning tube.
The beneficial effects of the utility model：
The cam axle frock of the utility model, locking nut of the operating personnel on fastening valve adjusting screw
Before, camshaft sprocket is fixed by using the gripper mechanism grips of this frock, then rotary driving force is transmitted by transmission mechanism
Rotate together with clamping device and camshaft sprocket, so as to facilitate the adjusting of operating personnel's progress valve clearance, to improve automobile
The efficiency of engine assembly.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the usage state diagram of the utility model.
Embodiment
Fig. 1 is the structure diagram of the utility model, and Fig. 2 is the usage state diagram of the utility model, as shown in the figure：This reality
The cam axle frock of example is applied, including for gripping the clamping device of camshaft sprocket 9 and for being passed to clamping device
Pass the transmission mechanism of rotary driving force；Before locking nut of the operating personnel on fastening valve adjusting screw, by making
Camshaft sprocket 9 is fixed with the gripper mechanism grips of this frock, then transmit rotary driving force by transmission mechanism to make clamping device
Rotate together with camshaft sprocket 9, so as to facilitate operating personnel to carry out the adjusting of valve clearance, assembled with improving automobile engine
Efficiency.
In the present embodiment, the clamping device includes chuck 1 and is connected to the positioning tube 2 of chuck 1, and the chuck 1 is equipped with
It is equipped with to stretch into for the fixing area 3 being caught in along 9 radial direction of camshaft sprocket, in the positioning tube 2 and fixes area 3 and to camshaft chain
Wheel 9 forms the locating rod 4 of axial compressive force；The center of the preferred face camshaft sprocket 9 in center of locating rod 4；It can pass through during use
Chuck 1 blocks camshaft sprocket 9, then forms axial compressive force to camshaft sprocket 9 by locating rod 4 so that clamping device can
With synchronous rotation；Positioning tube 2 is cylindrical, and when use can be placed in the axis hole position of engine cylinder body, while on the positioning tube 2
Protective case 5 is socketed with, to improve the flexibility of revolution of positioning tube 2, avoids that hard contact occurs and damages with engine cylinder body.
In the present embodiment, the chuck 1 includes two blocks of side plates 11 being arranged in parallel and is located at 11 top of biside plate and connects
The top plate 12 of biside plate 11, forms the fixing area 3 between two side plates 11 and top plate 12, and the positioning tube 2 is connected to it
The lateral surface of middle side plate 11；Biside plate 11 can be integrally formed with top plate 12, shaping easy to process；Biside plate 11, which is equipped with, steps down
Hole, to avoid the bolt on camshaft sprocket 9；Biside plate 11 pushes up respectively on the outside of the both ends of the surface of camshaft sprocket 9 during use
The inner side of the plate 12 then tooth contact with camshaft sprocket 9.
In the present embodiment, the end face of the close chuck 1 of the positioning tube 2 is recessed to form cavity volume 21 axially inward, described
With being located in cavity volume 21 and elastic component 6 being equipped between 21 bottom surface of 4 bottom of locating rod and cavity volume, the locating rod 4 exists locating rod 4
Stretched under the action of elastic component 6 and fix area 3 and axial compressive force is formed to camshaft sprocket 9；Elastic component 6 is preferably spring；Positioning
Bar 4 may be, for example, locating pin structure；The side of the positioning tube 2 is equipped with the limit hole 22 connected with cavity volume 21, fixed for limiting
The locating part 7 of position 4 stroke of bar penetrates limit hole 22 and is connected with locating rod 4；The length of limit hole 22 is more than the straight of locating part 7
Footpath；It not only can control the movement of locating rod 4 by locating part 7, but also limit the shift motion of locating rod 4, avoid to cam
Axis sprocket wheel 9 produces excessive compression；The positioning tube 2 is equipped with two symmetrical limit holes 22, and locating part is in rod-shaped and vertically wears
Cross locating rod 4.
In the present embodiment, the transmission mechanism is to be located at being used for and sleeve barrel spanner gloves for end face of the positioning tube 2 away from chuck 1
The protrusion 8 connect；Protrusion 8 is preferably in regular hexagon shape, easy to be socketed with box spanner；Protrusion 8 can be integrally formed with positioning tube 2,
Improve its structural strength, shaping easy to process；The central axis of the positioning tube 2, the central axis of locating rod 4 and protrusion 8
Central axis overlaps, and improves flexibility of revolution.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this
The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model
Enclose, it should all cover among the right of the utility model.
Claims (9)
- A kind of 1. cam axle frock, it is characterised in that：Including the clamping device and use for gripping camshaft sprocket In the transmission mechanism that rotary driving force is transmitted to clamping device.
- 2. cam axle frock according to claim 1, it is characterised in that：The clamping device includes chuck and connection In the positioning tube of chuck, the chuck is equipped with the fixing area for being used for radially being caught in along camshaft sprocket, is equipped with the positioning tube The locating rod for fixing area and axial compressive force being formed to camshaft sprocket can be stretched into.
- 3. cam axle frock according to claim 2, it is characterised in that：What the chuck was arranged in parallel including two pieces Side plate and it is located at biside plate top and connects the top plate of biside plate, the fixing area, institute is formed between two side plates and top plate State the lateral surface that positioning tube connects side plate wherein.
- 4. cam axle frock according to claim 3, it is characterised in that：The end face of the close chuck of the positioning tube Depression forms cavity volume axially inward, and the locating rod is same to be located in cavity volume and be equipped between locating rod bottom and cavity volume bottom surface Elastic component, the locating rod stretches under the action of elastic component to be fixed area and forms axial compressive force to camshaft sprocket.
- 5. cam axle frock according to claim 4, it is characterised in that：The side of the positioning tube is equipped with and cavity volume The limit hole of connection, the locating part for limiting the positioning throw of lever penetrate limit hole and are connected with locating rod.
- 6. cam axle frock according to claim 5, it is characterised in that：The positioning tube is equipped with two symmetrically Limit hole, locating part is in rod-shaped and pass perpendicularly through locating rod.
- 7. cam axle frock according to claim 5, it is characterised in that：The transmission mechanism is remote to be located at positioning tube From the protrusion being used for box spanner socket of the end face of chuck.
- 8. cam axle frock according to claim 7, it is characterised in that：The central axis of the positioning tube, positioning The central axis of bar and the central axis of protrusion overlap.
- 9. according to claim 2 to 8 any one of them cam axle frock, it is characterised in that：It is socketed on the positioning tube There is protective case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310198.9U CN207273098U (en) | 2017-10-11 | 2017-10-11 | Cam axle frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721310198.9U CN207273098U (en) | 2017-10-11 | 2017-10-11 | Cam axle frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207273098U true CN207273098U (en) | 2018-04-27 |
Family
ID=61979317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721310198.9U Expired - Fee Related CN207273098U (en) | 2017-10-11 | 2017-10-11 | Cam axle frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207273098U (en) |
-
2017
- 2017-10-11 CN CN201721310198.9U patent/CN207273098U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180427 |