CN101639129B - Manual drive control valve and wood splitting machine provided with same - Google Patents
Manual drive control valve and wood splitting machine provided with same Download PDFInfo
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- CN101639129B CN101639129B CN2008101386850A CN200810138685A CN101639129B CN 101639129 B CN101639129 B CN 101639129B CN 2008101386850 A CN2008101386850 A CN 2008101386850A CN 200810138685 A CN200810138685 A CN 200810138685A CN 101639129 B CN101639129 B CN 101639129B
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- cam
- rotation set
- control valve
- handgrip
- pin
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Abstract
The invention provides a manual drive control valve and a wood splitting machine provided with the same. The manual drive control valve can solve the problems that the prior art has lots of components, a complex structure, needs to add an adjusting mechanism and the like. The technical scheme of the invention is that one side of a main valve body and a handle is provided with a turning sleeve and a cam, the cam is sleeved on the turning sleeve and is provided with symmetrical cam curved surfaces, a pin of the turning sleeve and a pin of a valve core are positioned on the cam curved surfaces of both sides of the cam, the other side of the main valve body and the handle is provided with a turning sleeve which is provided with a torsional spring, one pin is inserted into the valve core, the top end of the pin is in a strip slot, and a compression spring is arranged between the end surface of the turning sleeve and the main valve body. The manual drive control valve has the characteristics of fewer components, simplified structure, cost reduction, high mounting efficiency and the like.
Description
Technical field
The present invention relates to dissect machinery, relate in particular to the handling control valve in the wood splitting machine.
Background technique
The wood splitting machine that dissects in the machinery is manual working method.In the course of the work, the operator is put into an end of timber and dissects the bit place, and the platen place that the other end is placed on the hydraulic piston end uses the handling three position four-way directional control valve during splitting, and then promotes piston and the platen extruding timber of advancing forward, thereby timber is dissectd.As can be seen, platen exists and squeezes the possibility of hindering hand, thereby the operator is had certain danger in traveling process from above-mentioned working procedure.In order to improve Security, reduce and hinder the hand accident.European norm has proposed new requirement at the control protection of bit formula timber wood splitting machine, this requires regulation, the hand that the layout of manual control position should guarantee the manipulator can platen with not dissect the bit place, timber with dissect bit, squeeze between other parts of platen or machinery and hinder.In order to realize this regulation, require both hands to handle three position four-way directional control valve simultaneously, just piston and platen are advanced, one-handed operation then can not make the action of piston and platen, thereby thoroughly avoids hindering the hand accident.
The structure of existing bimanualness control valve is two handgrips connection connecting rod, and connecting rod connection spool.During operation, push the handgrip kinematic link and move, drive spool again and move.This structure has the following disadvantages: 1, part is many, complex structure, cost height.2, the assembling installation difficulty is big, and efficiency of assembling is low, and is high to assembler's technical ability requirement.3, because the medium tache of drive connection is many, have drive gap, spool phenomenon not in place appears in regular meeting; have certain journey error, the time regular meeting influence proper functioning, thereby need add regulating mechanism; and need regularly to adjust, adjustment process needs repeated multiple times, wastes time and energy.
Summary of the invention
The invention provides a kind of handling control valve and the wood splitting machine of this control valve is installed, it is many that it can solve the part that prior art exists, and complex structure also need add problems such as regulating mechanism.
Solve above-mentioned in-problem purpose in order to reach, technological scheme of the present invention is, a kind of handling control valve, and it comprises main valve body, spool, the main valve body both sides are respectively equipped with handgrip, it is characterized in that,
A wherein side of described main valve body and described handgrip is provided with rotation set, cam, case, on the described rotation set torsion spring is housed, described handgrip is connected with described rotation set, the inner of described rotation set and described spool abutting end all are equipped with pin, described cam is sleeved on the described rotation set, described cam has symmetrical cam curved surface, the pin of described rotation set and the pin of described spool lay respectively on the described cam curved surface of described cam both sides, described case cover is adorned described rotation set and described cam, described case is provided with the whirl-stop device that prevents described cam rotation, and described whirl-stop device is inserted on the described cam;
The opposite side of described main valve body and described handgrip is provided with rotation set, on the described rotation set torsion spring is housed, have bar-shaped trough on the described rotation set, described handgrip is connected with described rotation set, the other end of described spool is contained in the described rotation set versatilely, have a pin to insert in the described spool, pressure spring is equipped with between the end face of described rotation set and the described main valve body in described pin top in described bar-shaped trough.
Have a circle round platform on the described rotation set of described cam side, the described round platform outside is described torsion spring, and the inboard is described cam, and described round platform blocks described cam and outwards moves.
Described cam has bar-shaped trough on the bottom surface, ships and resell on another market till the described whirl-stop device, and described spline pin end is inserted in the bar-shaped trough of described cam.
Described cam curved surface is a spiral camber.
The end face of the described rotation set of described opposite side handgrip is a circle round platform, and the described round platform outside is described torsion spring, and the inboard is described pressure spring, between described pressure spring and the main valve body back-up ring is housed.
The opposite side of described main valve body and described handgrip is provided with case, and described case cover is adorned described rotation set, torsion spring and pressure spring.
The present invention compared with prior art has the following advantages and good effect:
1. component reduce, designs simplification, and cost reduces.
2. be easy to install, installation difficulty reduces, and the efficient height is low to the technical requirements of installation personnel.
3. directly promote the spool to-and-fro motion by cam, spool puts in place accurately, and journey error reduces the operational reliability height greatly.
4. need not to install additional regulating mechanism and adjustment regularly, convenient and practical.
Description of drawings
Below in conjunction with drawings and Examples the present invention is described in detail.
Fig. 1-the 1st, the sectional drawing of hand control valve of the present invention;
Fig. 1-2 is the A-A sectional view among Fig. 1-1;
Fig. 1-the 3rd, the side view of hand control valve of the present invention;
Fig. 1-the 4th, one of stereogram of hand control valve of the present invention;
Fig. 1-the 5th, the hydraulic system principle figure of hand control valve of the present invention;
Fig. 2-the 1st, hand control valve of the present invention is in the original state sectional drawing;
Fig. 2-the 2nd, hand control valve of the present invention is in the original state plan view;
Fig. 2-the 3rd, hand control valve of the present invention is in the original state side view;
Fig. 3-the 1st, hand control valve of the present invention wherein a handgrip presses down the time state profile;
Fig. 3-the 2nd, hand control valve of the present invention wherein a handgrip presses down the time plan view;
Fig. 3-the 3rd, hand control valve of the present invention wherein a handgrip presses down the time side view;
Fig. 4-the 1st, the state profile when another handgrip of hand control valve of the present invention presses down;
Fig. 4-the 2nd, the plan view when another handgrip of hand control valve of the present invention presses down;
Fig. 4-the 3rd, the side view when another handgrip of hand control valve of the present invention presses down;
Fig. 5-the 1st, the state profile when two handgrips of hand control valve of the present invention press down;
Fig. 5-the 2nd, the plan view when two handgrips of hand control valve of the present invention press down;
Fig. 5-the 3rd, the side view when two handgrips of hand control valve of the present invention press down;
1. main valve body; 2. torsion spring; 3. torsion spring; 4. pressure spring; 5. left-handed cover; 5-1. round platform; 5-2. bar-shaped trough; 6. dextrorotation cover; 6-1. round platform; 7. spool; 8. spring pin; 9. resilient key; 10. resilient key; 11. resilient key; 12. cam; 12-1. cam curved surface; 12-2. bar-shaped trough; 13. handgrip; 14. handgrip; 15. case; 16. case; 17. back-up ring; 18. pin; 19. relief valve; L is the total kilometres of spool 7.
Embodiment
Referring to Fig. 1-1, Fig. 1-2, Fig. 1-3, Fig. 1-4 and Fig. 1-5, handling control valve general assembly--the assembly relation of major part shown in-internal structure: Fig. 1-1, be the main valve body 1 of valve in the dot and dash line, this valve is a three position four-way directional control valve, and its hydraulic principle is shown in Fig. 1-5.
Described cam 12 is sleeved on the described dextrorotation cover 6, and described cam 12 has symmetrical cam curved surface 12-1, and cam curved surface 12-1 can be spiral camber, can certainly adopt other curved surface form.The resilient key 9 of described dextrorotation cover 6 and the resilient key 8 of described spool 7 lay respectively on the described cam curved surface 12-1 of described cam 12 both sides, described case 15 covers are adorned described dextrorotation cover 6 and described cam 12, described case 15 is provided with the spline pin 11 that prevents that described cam 12 from rotating, and described spline pin 11 is inserted in the bar-shaped trough 12-2 of described cam 12 bottom surfaces.Have a circle round platform 6-1 on the dextrorotation cover 6, the round platform 6-1 outside is a torsion spring 3, and the inboard is a cam 12, and round platform 6-1 blocks cam 12 and outwards moves.
Described main valve body 1 is provided with left-handed cover 5 with a side of described handgrip 13, on the described left-handed cover 5 torsion spring 2 is housed, have bar-shaped trough 5-2 on the described left-handed cover 5, described handgrip 13 is connected with described left-handed cover 5, the other end of described spool 7 is contained in the described left-handed cover 5 versatilely, have a resilient key 10 to insert in the described spool 7, pressure spring 4 is equipped with between the end face of described left-handed cover 5 and the described main valve body 1 in described resilient key 10 tops in described bar-shaped trough 5-2.
In the present embodiment, cam 12 is arranged on dextrorotation and overlaps 6 one sides.Certainly, through changing accordingly, also can be arranged on left-handed cover 5 one sides.
Two handgrips 13,14, torsion spring 2 are left hand 13 Returnning spring, and torsion spring 3 is Returnning springs of the right handgrip 14, and pressure spring 4 is Returnning springs of spool 7.Left-handed cover 5 and left hand 13 for being rigidly connected, the end face of left-handed cover 5 is a circle round platform 5-1, and the described round platform 5-1 outside is a torsion spring 2, and the inboard is described pressure spring 4, between pressure spring 4 and the main valve body 1 back-up ring 17 is housed, can be by back-up ring 17 compression pressure springs 4.
When handgrip 13 rotates, drive left-handed cover 5 and rotate, the rotating band dynamic elasticity pin 10 of left-handed cover 5 rotates, and the installation of resilient key 10 is as figure, the rotation of the rotating band movable valve plug 7 of resilient key 10, and the installation of spring pin 8 is as Figure 1-1.The rotating band dynamic elasticity pin 8 of spool 7 rotates, and when resilient key 8 rotates, along the cam curved surface 12-1 rising of cam 12, shown in Fig. 1-2, realizes that spool 7 is moved to the left.When handgrip 13 was released, torsion spring 2 drove left-handed cover 5 and rotates, thereby realized the inverse process of spool 7 and handgrip 13.
Rotate handgrip 14, drive dextrorotation cover 6 rigidly connected with it and rotate, dextrorotation cover 6 drives resilient key 9 and rotates, and the cam curved surface 12-1 along cam 12 when resilient key 9 rotates rises, thereby compressing cam 12 moves to left, and promotes spool 7 by promotion resilient key 8 when cam 12 is moved to the left and is moved to the left.Compression pressure spring 4 when spool 7 is moved to the left.Shipping and reselling on another market till the resilient key 11, is to prevent that cam 12 from rotating, and it passes from case 15, is inserted in the bar-shaped trough 12-2 of bottom surface of cam 12.Fig. 1-1, Fig. 1-2, Figure 31-the 3rd, main views shows the assembly relation between the part, Fig. 1-the 4th, pull down case 15 after, from looking up the stereogram that direction shows cam 12 and correlated parts.
Referring to Fig. 2-1, Fig. 2-2 and Fig. 2-3, this is the hand control valve initial position, and this is the situation that handgrip 13,14 is not all depressed, and at torsion spring 2 and torsion spring 3, and under the effect of pressure spring 4, spool 7 is in initial position.At this moment, resilient key 8,9 is in the initial point position of the cam curved surface 12-1 of cam 12, and selector valve is by the function work of position, a left side.
Referring to Fig. 3-1, Fig. 3-2 and Fig. 3-3, this is a hand control valve---handgrip position 1, have 3 width of cloth figure, and Fig. 3-the 2nd has pulled down the state of two ends case 15,16, shows and depresses handgrip 13, and simultaneously, handgrip 14 keeps the motionless situation of original positions.When depressing handgrip 13, drive left-handed cover 5 rotations, by resilient key 10, drive the rotation of spool 7, thereby drive resilient key 8 rotations, the cam curved surface 12-1 along cam 12 in the time of resilient key 8 rotations rises to the final position, thereby forces spool 7 to move to left, displacement distance is the lifting height of cam 12, i.e. the L/2 of spool 7 total kilometres.And resilient key 9 still is in the initial point position.When 7 of spools were advanced the L/2 stroke, selector valve was pressed the work of meta function, promptly realized the pump unloading, sealed the oil inlet and outlet of oil cylinder simultaneously, and it is motionless that oil cylinder is in original position, and same platen is also motionless, can not squeeze and hinder hand, thereby reach the requirement that GS authenticates.
Referring to Fig. 4-1, Fig. 4-2 and Fig. 4-3, this is the hand control valve general assembly--the another kind of form of-handgrip position 1: have 3 width of cloth figure, Fig. 4-the 2nd has pulled down the situation of right side case, shows and independently depresses handgrip 14, keeps the motionless situation of handgrip 13 simultaneously.Depress handgrip 14, drive 6 rotations of dextrorotation cover, the rotating band dynamic elasticity pin 9 of dextrorotation cover 6 rises along the cam curved surface 12-1 of cam 12, because dextrorotation cover 6 is blocked by case 15, the displacement space that does not move to right so force cam 12 to move to left, promotes moving to left of spool 7 by promoting resilient key 8 during the moving to left of cam 12, the distance that moves to left is the lifting height of cam 12, i.e. the L/2 of spool 7 total kilometres.And resilient key 8 still is in the initial point position.When 7 of spools were advanced the L/2 stroke, selector valve was pressed the work of meta function, promptly realized the pump unloading, sealed the oil inlet and outlet of oil cylinder simultaneously, and it is motionless that oil cylinder is in original position, and same platen is also motionless, can not squeeze and hinder hand, thereby reach the requirement that G S authenticates.
Referring to Fig. 5-1, Fig. 5-2 and Fig. 5-3, hand control valve general assembly---handgrip position 2: have 3 width of cloth figure, Fig. 5-the 2nd has pulled down the situation of right side case 15, is presented at when depressing handgrip 13, depresses the situation of handgrip 14.Depress handgrip 14, drive 6 rotations of part dextrorotation cover, the rotating band dynamic elasticity pin 9 of dextrorotation cover 6 rises along the cam curved surface 12-1 of cam 12, because dextrorotation cover 6 is blocked by case 15, the displacement space that does not move to right is so force cam 12 to move to left, the promotion resilient key 8 that moves to left of cam 12 moves to left, and then promoting moving to left of spool 7, the distance that moves to left is the lifting height of cam 12, i.e. the L/2 of spool total kilometres.Add that handgrip 13 depresses mobile L/2 distance, so just finished moving of spool 7 total travel L.At this moment, resilient key 8,9 is all in the final position of cam curved surface 12-1.When being bimanualness, spool 7 is covered total kilometres L, and at this moment, selector valve is by the function work of right position, realizes that piston promotes the platen work of advancing forward, splits disconnected timber.Because both hands push handgrip 13,14 simultaneously, hand can not occur and be near the platen and the phenomenon of hindering hand takes place to squeeze, guaranteed safety, reached the requirement of the GS authentication of bimanualness.
In sum, the present invention adopts structural types such as cam 12, left and right rotation set 5,6 and resilient key 8,9, can guarantee that transmission is accurate, and journey error reduces greatly, and is reliable, and safety satisfies the requirement of GS authentication.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (6)
1. handling control valve, it comprises main valve body, spool, the main valve body both sides are respectively equipped with handgrip, it is characterized in that,
A wherein side of described main valve body and described handgrip is provided with rotation set, cam, case, on the described rotation set torsion spring is housed, described handgrip is connected with described rotation set, the inner of described rotation set and described spool abutting end all are equipped with pin, described cam is sleeved on the described rotation set, described cam has symmetrical cam curved surface, the pin of described rotation set and the pin of described spool lay respectively on the described cam curved surface of described cam both sides, described case cover is adorned described rotation set and described cam, described case is provided with the whirl-stop device that prevents described cam rotation, and described whirl-stop device is inserted on the described cam;
The opposite side of described main valve body and described handgrip is provided with rotation set, on the described rotation set torsion spring is housed, have bar-shaped trough on the described rotation set, described handgrip is connected with described rotation set, the other end of described spool is contained in the described rotation set versatilely, there is a pin to insert in the described spool, described pin top is in described bar-shaped trough, between the end face of described rotation set and the described main valve body pressure spring is housed, the opposite side of described main valve body and described handgrip is provided with case, and described case cover is adorned described rotation set, torsion spring and pressure spring.
2. handling control valve according to claim 1 is characterized in that having on the described rotation set of described cam side a circle round platform, and the described round platform outside be described torsion spring, and the inboard is described cam, and it is outwards mobile that described round platform blocks described cam.
3. handling control valve according to claim 2 is characterized in that having bar-shaped trough on the described cam bottom surface, ships and resell on another market till the described whirl-stop device, and described spline pin end is inserted in the bar-shaped trough of described cam.
4. handling control valve according to claim 1 is characterized in that described cam curved surface is a spiral camber.
5. handling control valve according to claim 1, the end face that it is characterized in that the described rotation set of described opposite side handgrip is a circle round platform, the described round platform outside is described torsion spring, and the inboard is described pressure spring, between described pressure spring and the main valve body back-up ring is housed.
6. a wood splitting machine is characterized in that being equipped with the described handling control valve of above-mentioned any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101386850A CN101639129B (en) | 2008-07-29 | 2008-07-29 | Manual drive control valve and wood splitting machine provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101386850A CN101639129B (en) | 2008-07-29 | 2008-07-29 | Manual drive control valve and wood splitting machine provided with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101639129A CN101639129A (en) | 2010-02-03 |
| CN101639129B true CN101639129B (en) | 2011-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101386850A Expired - Fee Related CN101639129B (en) | 2008-07-29 | 2008-07-29 | Manual drive control valve and wood splitting machine provided with same |
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| Country | Link |
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| CN (1) | CN101639129B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102454649B (en) * | 2010-10-28 | 2014-10-08 | 富泰华工业（深圳）有限公司 | Control valve |
| CN102818064B (en) * | 2012-09-13 | 2014-04-02 | 广东省肇庆方大气动有限公司 | Bistable state reversing valve with spring interconnection resetting two-contact control function |
| CN110333063B (en) * | 2019-04-29 | 2021-03-02 | 杭州电子科技大学 | Fatigue running testing device for electric full-period compensation reversing valve |
| CN110963367A (en) * | 2019-12-06 | 2020-04-07 | 安徽翰联色纺股份有限公司 | Sliver can with connecting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378825A (en) * | 1980-12-05 | 1983-04-05 | Schroeder Edward M | Log splitter |
| US5921300A (en) * | 1998-01-14 | 1999-07-13 | Smith; Kelvin M. | Log-splitting device |
| CN2339814Y (en) * | 1998-05-08 | 1999-09-22 | 山东加美卫生洁具有限公司 | Single-handle mixing valve |
| CN2447153Y (en) * | 2000-11-13 | 2001-09-12 | 张同强 | Control valve for wood-processing machinery |
| CN2911353Y (en) * | 2006-06-15 | 2007-06-13 | 孙浩 | Mini two-position five-way manual valve |
| CN201288847Y (en) * | 2008-07-29 | 2009-08-12 | 青岛铁华进出口有限公司 | Manual control valve and splitter with the control valve |
-
2008
- 2008-07-29 CN CN2008101386850A patent/CN101639129B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4378825A (en) * | 1980-12-05 | 1983-04-05 | Schroeder Edward M | Log splitter |
| US5921300A (en) * | 1998-01-14 | 1999-07-13 | Smith; Kelvin M. | Log-splitting device |
| CN2339814Y (en) * | 1998-05-08 | 1999-09-22 | 山东加美卫生洁具有限公司 | Single-handle mixing valve |
| CN2447153Y (en) * | 2000-11-13 | 2001-09-12 | 张同强 | Control valve for wood-processing machinery |
| CN2911353Y (en) * | 2006-06-15 | 2007-06-13 | 孙浩 | Mini two-position five-way manual valve |
| CN201288847Y (en) * | 2008-07-29 | 2009-08-12 | 青岛铁华进出口有限公司 | Manual control valve and splitter with the control valve |
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| Publication number | Publication date |
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| CN101639129A (en) | 2010-02-03 |
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Address after: 266071 Shandong Province, Qingdao city Shandong Road No. 9 building industry B12B Patentee after: SHANDONG TIEHUA INDUSTRIAL Co.,Ltd. Address before: 266071 Shandong Province, Qingdao city Shandong Road No. 9 building industry B12B Patentee before: Lawn & Garden Products (Qingdao) Co.,Ltd. |
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Effective date of registration: 20170420 Address after: 262313 Wulian County, Shandong province Ze Ze Industrial Park in front of the North Street Patentee after: CHANGXIN (WULIAN) FORESTRY MACHINERY Co.,Ltd. Address before: 266071 Shandong Province, Qingdao city Shandong Road No. 9 building industry B12B Patentee before: SHANDONG TIEHUA INDUSTRIAL Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20110302 Termination date: 20210729 |