CN202357070U - Synchronous fastening device - Google Patents
Synchronous fastening device Download PDFInfo
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- CN202357070U CN202357070U CN2011204831415U CN201120483141U CN202357070U CN 202357070 U CN202357070 U CN 202357070U CN 2011204831415 U CN2011204831415 U CN 2011204831415U CN 201120483141 U CN201120483141 U CN 201120483141U CN 202357070 U CN202357070 U CN 202357070U
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Abstract
The utility model discloses a synchronous fastening device. The device is characterized in that the synchronous fastening device comprises a gearbox, wherein the gearbox comprises a shell in which an input shaft and an output shaft are arranged, the input shaft and the output shaft are respectively provided with an input gear and an output gear in a sleeved manner, the input gear and the output gear are meshed with each other correspondingly, and the output end of the output shaft is connected with a fastening tool. Compared with the prior art, the synchronous fastening device can perform synchronous fastening to realize the same pretightening force, thereby ensuring that a leakage phenomenon hardly happens to a fastened workpiece.
Description
Technical field
The utility model relates to a kind of fastener, more specifically to a kind of can synchronously fastening fastener.
Background technology
Production division, hydraulic test is more, and hydraulic valve is comparatively common.When valve class fault replacing hydraulic valve is installed or handled to new valve, need four or six hexagon socket head cap screws of fastening valve.
With four bolts be example if the fastening pretightning force of bolt is uneven, the accident of sealing leak under the effect of mesohigh hydraulic oil, can take place in hydraulic valve after work.Press for the pretightning force balance of bolt, make the installation of valve reach effect optimum, that sealing ring reaches most excellent.
During practical operation, like Fig. 1, bolt 1, bolt 2, valve body 3, often earlier with the tight bolt of interior six sides, and then that of diagonal angle tightly, two bolts are fastening by turns.Because of problems such as the space are narrow and small, can not two covers in six side's instruments simultaneously fastening.The fastening mode to corner bolt of this priority can reach certain installation effect, but is not best, occurs the pretightning force deviation often.At present, do not have still that a kind of effective instrument can synchronous fastening hydraulic valve to corner bolt so that reach the best of valve effect is installed.
Summary of the invention
The utility model has overcome the deficiency of prior art; Provide a kind of and can carry out fastening synchronous fastener synchronously to corner bolt valve body; The utility model can be with fastening synchronously to corner bolt, has that fastening back pretightning force is identical, a good sealing effect, the advantage of easy-to-leak liquid not.
For solving the problems of the technologies described above, the utility model is through following technology.
For achieving the above object, the technical scheme that the utility model adopted is following:
A kind of synchronous fastener; Comprise gearbox; Described gearbox comprises housing, is provided with power shaft and two output shafts in the housing, is arranged with input gear and output gear on power shaft, the output shaft respectively; The input gear with import that gear mesh should mesh and two output gears are identical, two output shaft outputs are connected with the fastened tools that is used for fastening bolt.
Above-mentioned synchronous fastener, corresponding meshing gear is provided with two covers vertically on described power shaft, the output shaft: promptly power shaft is provided with two input gears, on two output shafts therewith two input gear mesh should mesh and be provided with two output gears; On the power shaft on two input gear spacings and the power shaft two output gear spacings different, satisfiedly only can guarantee one group of gears engaged; Two cover meshing gear radiuses are different, and promptly gearratio is different; Power shaft can slide along its axial direction is round, makes that two input gears difference correspondences on the power shaft mesh two output gears on the output shafts.
Above-mentioned synchronous fastener, said power shaft two ends are respectively equipped with upper end cover and bottom end cover, and upper and lower end cap lays respectively at the transmission housing external; Distance between the two end cap greater than gear box casing along the input axial width; Upper and lower end cap satisfies in the position on the power shaft: when power shaft axially slides into the spacing place of end cap and housing respectively along it, and a cover output gear of the corresponding respectively engagement output shaft of the input of two on power shaft gear.
Above-mentioned synchronous fastener; Said power shaft is provided with two the baffle ring grooves up and down that are used for the clamping baffle ring; Satisfy the position of two baffle ring grooves: upper baffle ring is corresponding with bottom end cover; Be power shaft when it slides axially into the spacing place of bottom end cover and housing, upper baffle ring is positioned at outside and near housing; Lower baffle ring is corresponding with upper end cover, and promptly power shaft is when it slides axially into the spacing place of upper end cover and housing, and lower baffle ring is positioned at outside and near housing.
Above-mentioned synchronous fastener is characterized in that: be connected with swing component through universal joint between described output shaft and the fastened tools; Be provided with retractor device between said fastened tools and the output shaft; Described retractor device comprises expansion link and is positioned at its outer telescopic.
Above-mentioned synchronous fastener, said output shaft output through universal joint be connected with swing component, the swing component other end is connected with retractor device through universal joint, the retractor device other end connects fastened tools; Described fastened tools end is interior six sides.
Above-mentioned synchronous fastener is characterized in that: the input gear of the cover of two on said input, output shaft meshing gear and the radius ratio of output gear are respectively 2:1,1:2.
The beneficial effect of the utility model shows:
The utility model adopts a gearbox, is provided with input, output shaft in the gearbox, is respectively equipped with corresponding engagement input gear and output gear on it; Through rotating power shaft; Drive the input gear on it, the output gear that the input gear driven is engaged with, output gear drives output shaft and rotates; Output shaft drives it and goes up the fastened tools that is provided with and rotate, thus synchronous fastening two to corner bolt.
In fastening process, preceding half section bolted power is less, and it is less to rotate required moment; The required fastening force of second half section bolt increases; Need big moment to satisfy; Be provided with input, the output gear of the corresponding engagement of two covers; The preceding second half section can use different meshing gears to satisfy, and realize different gears engaged thereby power shaft can come and go to slide along self axial direction, satisfies the needs of different fastening forces.
Need fastening fastening point two cornerwise fastening point distances on different device not necessarily identical; Connect swing component through universal joint; Can be with the fastened tools head end according to adjusting through swing component to the needs of corner bolt distance, thus adapt to different distance to corner bolt.
Be provided with retractor device, can adjust on the one hand the position of fastened tools better, can make both better fit, on the other hand, retractor device generally adopts bushing type to connect, and therefore can change difform fastened tools easily.
The retaining groove that is provided with can cooperate installation activity back-up ring, and it cooperates as sliding up and down of power shaft spacing with end cap, makes on the one hand the input gear cooperate with output gear fast and accurately, and output shaft can not slide and make the meshing gear disengaging when fastening on the other hand.
Description of drawings
In order to be illustrated more clearly in the application embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment that put down in writing among the application, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is fastening view of hydraulic valve;
Fig. 2 is interior six sides' of the utility model a front view;
Fig. 3 is interior six sides' of the utility model a B-B view;
Fig. 4 is interior six sides' of the utility model a C-C view;
Fig. 5 is interior six sides' of the utility model an A-A view;
Fig. 6 is interior six sides' of the utility model a reduction box partial view;
Fig. 7 is interior six sides' of the utility model an active catch circulation layer spare view;
The specific embodiment:
Come the utility model is described in detail with the specific embodiment below:
In order to make those skilled in the art person understand the technical scheme among the application better; To combine the accompanying drawing among the application embodiment below; Technical scheme among the application embodiment is carried out clear, intactly description; Obviously, described embodiment only is the application's part embodiment, rather than whole embodiment.Based on the embodiment among the application, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all should belong to the scope of the application's protection.
Fig. 2 is interior six sides' of the utility model a front view.Fig. 3 is interior six sides' of the utility model a B-B view.Fig. 4 is interior six sides' of the utility model a C-C view.Fig. 5 is interior six sides' of the utility model an A-A view.
As comprising tool heads 4 among Fig. 2, Fig. 3, Fig. 4, Fig. 5, telescopic 5, expansion link 6, cross joint 7, swing arm 8, cross joint 9, gearbox 10, bolt 11, handle 12, feather key 13, slide block 14, protecgulum 15, bonnet 16.
Fig. 6 is interior six sides' of the utility model a reduction box partial view.Fig. 7 is interior six sides' of the utility model an active catch circulation layer spare view.
As comprising among Fig. 6, Fig. 7 power shaft 23 is arranged in the gearbox 10, power shaft 23 middle positions, power shaft 23 can come and go in gearbox 10 and move, and power shaft 23 links to each other with handle 12 in the outside of gearbox 10, and externally on the power shaft 23 baffle ring 22 is arranged.Baffle ring groove 24, preceding input gear 25, back input gear 29, baffle ring groove 30, end cap 33 are arranged on the power shaft 23 successively; End cap 33 is in the outside of gearbox 10, and end cap 23 inner faces slightly equal or be slightly larger than the width of power shaft 23 direction gearboxes 10 to the distance of baffle ring groove 24 groove faces; The groove side of baffle ring groove 30 equals or is slightly larger than the width of power shaft direction gearbox to the distance of baffle ring 22.Can placement activity baffle ring 36 in the baffle ring groove 24, baffle ring groove 30, be used for fixing power shaft 23.Movable baffle ring 36 has rotating shaft 37, lock screw 35; Output shaft 19, output shaft 28 be in the both sides of power shaft 23, and equate with the distance of power shaft 23.End cap 21, preceding output gear 20, back output gear 17, baffle ring 34 are arranged on the output shaft 19 successively; End cap 21 is in the outside of gearbox 10, and near handle 12.Baffle ring 34 is in the outside of the opposite side of gearbox 10.Baffle ring 34 inner faces equal or are slightly larger than the width of output shaft 19 direction gearboxes 10 to the distance of end cap 21 inner faces.The structure of two output shafts is identical.End cap 26, preceding output gear 27, back output gear 31, baffle ring 32 are arranged on the output shaft 28 successively.Baffle ring groove 24 is when gearbox 10 outside, and preceding input gear 25 is meshed with preceding output gear 20; Baffle ring groove 24 gets into gearboxes 10 inside, and the baffle ring on the power shaft 23 22 is when pressing close to gearbox 10, and input gear 29 in back is meshed with back output gear 17.Before the ratio 2:1 of input gear 25 and preceding output gear 20 radiuses, the ratio 1:2 of back input gear 29 and back output gear 17 radiuses.
Gearbox 10 is through bolt 11 fastening protecgulums 15, and bonnet 16 is on hole 18.
When hydraulic valve is installed, correctly place sealing ring, the optimum position of adjustment valve.At first, find tool heads up to specification 4 to assemble the instrument of this device then two bolts hole at diagonal angle bolt of screwing on.Be pulled outwardly fixed handle 12, input gear 25 and preceding output gear 20,27 engagements of preceding output gear before making.Put into movable baffle ring 36 in the baffle ring groove 24 and locate power shafts 23, tighten movable baffle ring 36 with end cap 33.Regulating swing arm 8 makes two tool heads can put into the hexagonal of two bolts simultaneously.Pull handle 12, carry out fastening bolt.Because of the ratio 2:1 of preceding input gear 25, realize at the beginning of fastening fastening fast with preceding output gear 27, preceding output gear 20 radiuses.When being fastened to when can't be manual fastening, be placed into remaining two screws on other one group of diagonal angle, same method be fastened to manually can't be fastening till.Take off movable baffle ring 36 then, pull handle 12, in gearbox 10, press, make back input gear 29 and back output gear 31,17 engagements of back output gear.Movable baffle ring 36 is put into baffle ring groove 30.Because of the ratio 1:2 of input gear 29 in back with back output gear 31 radiuses; So power that fastening 2 bolts produce; Identical with the power size of the fastening bolt of six side's instruments in independent use one cover; Then fastening feel power is preceding the same with this instrument of use, and the user can grasp the size of fastening pretightning force.After being fastened to suitable pretightning force, stop fastening, fastening again two other bolt.Four bolts up to hydraulic valve all reach best fastening effect.
The utility model, can synchronous fastening hydraulic valve to corner bolt, make hydraulic valve that the fastening optimum efficiency that reaches is installed.The allen wrench assembling that the utility model provides is easy to use, simple in structure, low cost of manufacture, long service life.
The above only is the application's a preferred implementation, makes those skilled in the art can understand or realize the application.Multiple modification to these embodiment will be conspicuous to one skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the application or scope in other embodiments among this paper.Therefore, the application will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. synchronous fastener; It is characterized in that, comprise gearbox, described gearbox comprises housing; Be provided with power shaft and two output shafts in the housing; Be arranged with input gear and output gear on power shaft, the output shaft respectively, the input gear with import that gear mesh should mesh and two output gears are identical, two output shaft outputs are connected with the fastened tools that is used for fastening bolt.
2. synchronous fastener according to claim 1; It is characterized in that: corresponding meshing gear is provided with two covers vertically on described power shaft, the output shaft: promptly power shaft is provided with two input gears, on two output shafts therewith two input gear mesh should mesh and be provided with two output gears; On the power shaft on two input gear spacings and the power shaft two output gear spacings different, satisfiedly only can guarantee one group of gears engaged; Two cover meshing gear radiuses are different, and promptly gearratio is different; Power shaft can slide along its axial direction is round, makes that two input gears difference correspondences on the power shaft mesh two output gears on the output shafts.
3. synchronous fastener according to claim 2 is characterized in that: said power shaft two ends are respectively equipped with upper end cover and bottom end cover, and upper and lower end cap lays respectively at the transmission housing external; Distance between the two end cap greater than gear box casing along the input axial width; Upper and lower end cap satisfies in the position on the power shaft: when power shaft axially slides into the spacing place of end cap and housing respectively along it, and a cover output gear of the corresponding respectively engagement output shaft of the input of two on power shaft gear.
4. synchronous fastener according to claim 3; It is characterized in that: said power shaft is provided with two the baffle ring grooves up and down that are used for the clamping baffle ring; Satisfy the position of two baffle ring grooves: upper baffle ring is corresponding with bottom end cover; Be power shaft when it slides axially into the spacing place of bottom end cover and housing, upper baffle ring is positioned at outside and near housing; Lower baffle ring is corresponding with upper end cover, and promptly power shaft is when it slides axially into the spacing place of upper end cover and housing, and lower baffle ring is positioned at outside and near housing.
5. according to the described synchronous fastener of claim 1-4, it is characterized in that: be connected with swing component through universal joint between described output shaft and the fastened tools.
6. according to the described synchronous fastener of claim 1-4, it is characterized in that: be provided with retractor device between said fastened tools and the output shaft.
7. synchronous fastener according to claim 1 is characterized in that: said output shaft output through universal joint be connected with swing component, the swing component other end is connected with retractor device through universal joint, the retractor device other end connects fastened tools.
8. synchronous fastener according to claim 6 is characterized in that: described retractor device comprises expansion link and is positioned at its outer telescopic.
9. according to the described synchronous fastener of claim 2-4, it is characterized in that: the input gear of the cover of two on said input, output shaft meshing gear and the radius ratio of output gear are respectively 2:1,1:2.
10. according to claim 1 or 7 described synchronous fasteners, it is characterized in that: terminal interior six sides of being of described fastened tools.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204831415U CN202357070U (en) | 2011-11-29 | 2011-11-29 | Synchronous fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204831415U CN202357070U (en) | 2011-11-29 | 2011-11-29 | Synchronous fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202357070U true CN202357070U (en) | 2012-08-01 |
Family
ID=46568285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204831415U Expired - Fee Related CN202357070U (en) | 2011-11-29 | 2011-11-29 | Synchronous fastening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202357070U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398239A (en) * | 2011-11-29 | 2012-04-04 | 莱芜钢铁集团有限公司 | Synchronous tightening device |
| CN107344344A (en) * | 2016-05-06 | 2017-11-14 | 福建宁德核电有限公司 | A kind of synchronous spanner |
-
2011
- 2011-11-29 CN CN2011204831415U patent/CN202357070U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102398239A (en) * | 2011-11-29 | 2012-04-04 | 莱芜钢铁集团有限公司 | Synchronous tightening device |
| CN107344344A (en) * | 2016-05-06 | 2017-11-14 | 福建宁德核电有限公司 | A kind of synchronous spanner |
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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: 20120801 Termination date: 20151129 |