CN204060292U - Shaft type door closer and core body thereof - Google Patents
Shaft type door closer and core body thereof Download PDFInfo
- Publication number
- CN204060292U CN204060292U CN201420492047.XU CN201420492047U CN204060292U CN 204060292 U CN204060292 U CN 204060292U CN 201420492047 U CN201420492047 U CN 201420492047U CN 204060292 U CN204060292 U CN 204060292U
- Authority
- CN
- China
- Prior art keywords
- door closer
- shaft type
- type door
- core body
- rotor
- 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
- 239000000872 buffer Substances 0.000 claims description 13
- 210000004907 gland Anatomy 0.000 claims description 7
- 125000006850 spacer group Chemical group 0.000 claims description 7
- 239000011148 porous material Substances 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003921 oil Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000007853 buffer solution Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000011176 pooling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
Abstract
Shaft type door closer and core body thereof belong to door closer-holder technical field, are specifically related to a kind of shaft type door closer and core body thereof.The utility model provides a kind of can being installed in the frame chamber of door leaf, and has the shaft type door closer and core body thereof that close a buffering effect.The core body of shaft type door closer of the present utility model comprises the cam body of tubular, it is characterized in that: above cam body, be provided with evagination wheel face, rotor is provided with in cam body, the upper end of described rotor is provided with the roller bearing of same evagination wheel face cooperation, be outside equipped with pivoted housing above described cam body, pivoted housing is provided with vertical guide groove corresponding to roller bearing.
Description
Technical field
The utility model belongs to door closer-holder technical field, is specifically related to a kind of shaft type door closer and core body thereof.
Background technology
The buried floor spring generally adopted at present carries out automatic buffer closedown work to door leaf, and floor spring is installed more loaded down with trivial details, labour intensity is large, need to carry out large area cutting and draw digging to ready-made ground, destroy ground completeness, simultaneously, this floor spring device condition of work is severe, cannot stop that excess surface water pours in floor spring device, easily cause the situation of corrosion and bursting by freezing in winter, cause scrapping of floor spring device.
The patent No. is: 200920010147.3, title is the utility model patent of " vertical type rocker arm floor spring ", it discloses a kind of door closer, this door closer is arranged in the frame chamber of door leaf, but because himself structure limit, without closing a limiting mechanism, thus cannot realize door buffering, in use not reaching desirable result of use.
Summary of the invention
The utility model is exactly for the problems referred to above, provides a kind of can being installed in the frame chamber of door leaf, and has the shaft type door closer and core body thereof that close a buffering effect.
For reaching above-mentioned purpose of the present utility model, the utility model adopts following technical scheme: the core body of shaft type door closer of the present utility model comprises the cam body of tubular, it is characterized in that: above cam body, be provided with evagination wheel face, rotor is provided with in cam body, the upper end of described rotor is provided with the roller bearing of same evagination wheel face cooperation, be outside equipped with pivoted housing above described cam body, pivoted housing is provided with vertical guide groove corresponding to roller bearing.
As a kind of preferred version of the utility model shaft type door closer core body, be provided with cam ring inclined-plane in described cam body, the lower end on cam ring inclined-plane is provided with step, and the lower end of step is provided with limited block; The middle part of described rotor is provided with through hole, is provided with guide pillar in through hole, and the two ends of guide pillar are provided with ball; The length sum of described two balls and guide pillar, meet side ball when contacting with step side, opposite side ball matches with the surface on cam ring inclined-plane; Rotor bottom is provided with alignment pin corresponding to limited block.
Shaft type door closer of the present utility model, comprises housing, is provided with the core body of above-mentioned shaft type door closer, it is characterized in that: be provided with the gland coordinated with housing above core body in housing; The pulling axis be connected with described pivoted housing is provided with in gland; Be provided with buffer below core body, buffer comprises hydraulic cylinder, arranges the pull bar with back-moving spring in hydraulic cylinder, and the upper end of pull bar is connected with the lower end of described rotor.
The beneficial effects of the utility model: 1, shaft type door closer core of the present utility model is simple, is easy to production and processing, can be arranged in the frame chamber of door leaf, eliminate the problem existing for existing floor spring.There are properties of product stablize, the advantage of the aesthetics of lever gear door.
2, the core body of shaft type door closer of the present utility model is by arranging the structure of guide pillar and ball, be 200920010147.3 with application number, title is that the utility model patent of " vertical type rocker arm floor spring " is compared, be provided with and close a pooling feature, when door leaf be subject to comparatively high thrust time, rotor can block by ball under the effect on cam ring inclined-plane, slowly rotates, reach and close a buffering effect in the process that door leaf slowly can only decline with rotor.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
A-A sectional view when Fig. 2 is the closedown of Fig. 1 door leaf.
Fig. 3 is the A-A sectional view of Fig. 1 when opening clockwise.
Fig. 4 is the A-A sectional view of Fig. 1 when opening counterclockwise.
Fig. 5 is the B-B sectional view of Fig. 1 when opening maximum.
Fig. 6 is the side sectional view of Fig. 1.
Fig. 7 is the structural representation of the utility model when being opened to maximum.
Fig. 8 is the structural representation of cam body.
Fig. 9 is the side sectional view of Fig. 8.
Figure 10 is the upward view of Fig. 8.
Figure 11 is the top view of Fig. 8.
Figure 12 is the I portion enlarged drawing of Fig. 6.
Figure 13 is the structural representation of flow rate adjustment device.
Figure 14 is the C-C sectional view of Figure 13.
Figure 15 is control valve middle column body rotation process schematic diagram.
In accompanying drawing, 1 is buffer, 2 is hydraulic cylinder, 3 is pull bar, 4 is back-moving spring, 5 is alignment pin, 6 is housing, 7 is cam body, 8 is rotor, 9 is thrust bearing, 10 is core body, 11 is bearing pin, 12 is roller bearing, 13 is vertical guide groove, 14 is pivoted housing, 15 is gland, 16 is pulling axis, 17 is guide pillar, 18 is ball, 19 is through hole, 20 is limited block, 21 is step, 22 is cam ring inclined-plane, 23 is flow rate adjustment device, 24 is pointed body, 25 is evagination wheel face, 26 is first interface, 27 is groove, 28 is one way valve, 29 is piston, 30 is the second interface, 31 is return line, 32 is rodless cavity, 33 is rod chamber, 34 is the first oilhole, 35 is big envelope, 36 is eccentric grove, 37 is cylinder, 38 is the second oilhole, 39 is breach, 40 is control valve, 41 is rolling bearing, 42 is top cover, 43 is spacer shell, 44 is transitional pore.
Detailed description of the invention
The core body 10 of shaft type door closer of the present utility model comprises the cam body 7 of tubular, it is characterized in that: above cam body 7, be provided with evagination wheel face 25, rotor 8 is provided with in cam body 7, the upper end of described rotor 8 is provided with the roller bearing 12 of same evagination wheel face 25 cooperation, be outside equipped with pivoted housing 14 above described cam body 7, pivoted housing 14 is provided with vertical guide groove 13 corresponding to roller bearing 12.
As a kind of preferred version of the utility model shaft type door closer core body 10, be provided with cam ring inclined-plane 22 in described cam body 7, the lower end on cam ring inclined-plane 22 is provided with step 21, and the lower end of step 21 is provided with limited block 20; The middle part of described rotor 8 is provided with through hole 19, is provided with guide pillar 17 in through hole 19, and the two ends of guide pillar 17 are provided with ball 18; The length sum of described two balls 18 and guide pillar 17, when meeting side ball 18 with step 21 contacts side surfaces, opposite side ball 18 matches with the surface on cam ring inclined-plane 22; Rotor 8 bottom is provided with alignment pin 5 corresponding to limited block 20.
Further, described evagination wheel face 25 is set to the both sides being arranged at cam body 7 upper end of two corresponding pointed body 24 symmetries of pointed body 24, two; Described cam ring inclined-plane 22 is also set to two, and the upper end on two cam ring inclined-planes 22 connects, and the lower end on two cam ring inclined-planes 22 is provided with step 21, and described limited block 20 is arranged between described two steps 21; Described limited block 20 is corresponding with the pointed body 24 of side.
Described rotor 8 upper end is provided with link slot, and described roller bearing 12 is horizontally set in described link slot by bearing pin 11.The two ends of transverse axis can be made to swing up and down by bearing pin 11, thus eliminate the deviation existed in process of manufacture; Ensure that action of the present utility model is smooth and easy.
Further, described limited block 20 makes rotor 8 can respectively to more than two direction half-twists.
Thrust bearing 9 is provided with between described pivoted housing 14 and cam body 7.Be conducive to the smooth rotation of pivoted housing 14.
Described step 21 is provided with domatic corresponding to ball 18.Be convenient to ball 18 be rolled on step 21.
Shaft type door closer of the present utility model, comprises housing 6, is provided with the core body 10 of above-mentioned shaft type door closer, it is characterized in that in housing 6: be provided with the gland 15 coordinated with housing 6 above core body 10; The pulling axis 16 be connected with described pivoted housing 14 is provided with in gland 15; Be provided with buffer 1 below core body 10, buffer 1 comprises hydraulic cylinder 2, arranges the pull bar 3 with back-moving spring 4 in hydraulic cylinder 2, and the upper end of pull bar 3 is connected with the lower end of described rotor 8.
Be provided with piston 29 below the pull bar 3 of described buffer 1, described piston 29 be provided with the one way valve 28 that can flow to rodless cavity 32 from the rod chamber 33 of hydraulic cylinder 2; In described hydraulic cylinder 2, the end of rodless cavity 32 is provided with the return line 31 being communicated with rod chamber 33; Described return line 31 is provided with flow rate adjustment device 23.
Described pull bar 3 lower end is provided with spacer shell 43, and pull bar 3 bottom is outside equipped with top cover 42; The lower end of described back-moving spring 4 is connected with described top cover 42 upper surface; Rolling bearing 41 is provided with between top cover 42 and spacer shell 43; Described spacer shell 43 is provided with the transitional pore 44 being communicated with one way valve 28 and rod chamber 33.
Described flow rate adjustment device 23 comprises big envelope 35, and big envelope 35 surface is provided with first oilhole 34 corresponding with return line 31 oil inlet end, and big envelope 35 is provided with the second oilhole 38 relative to the first oilhole 34; Be provided with in big envelope 35 with the first oilhole 34 and the corresponding control valve 40 of the second oilhole 38, big envelope 35 is outside equipped with the breach 39 of connection second oilhole 38 and described rod chamber 33; Described control valve 40 comprises the cylinder 37 be arranged in big envelope 35, cylinder 37 is provided with the eccentric grove 36 of arc corresponding to the first oilhole 34 and the second oilhole 38.
The both sides of described hydraulic cylinder 2 are provided with return line 31, and the first interface 26 between a return line 31 and hydraulic cylinder 2 is arranged in the groove 27 bottom hydraulic cylinder 2; The second interface 30 between another return line 31 and hydraulic cylinder 2 is arranged at hydraulic cylinder 2 inner surface, and the second interface 30 is arranged higher than first interface 26.When piston 29 declines, by first interface 26 and the common oil return of the second interface 30, door closing speed is very fast; When door leaf is close to when cutting out, first interface 26 can block by piston 29, thus only carries out oil return by first interface 26, and door leaf is slowed down further, ensures the buffering effect of door leaf.
The one-off process of the utility model shaft type door closer is described: during enabling below in conjunction with accompanying drawing, door leaf drives pulling axis 16 to rotate, and pulling axis 16 drives pivoted housing 14 to rotate, and the vertical guide groove 13 of pivoted housing 14 drives rotor 8 together to rotate by pulling roller bearing 12; Roller bearing 12 be subject to evagination wheel face 25 act on rotation while, move upward; Rotor 8 is driven together to move up and rotate; Ball 18 in rotor 8 is when rotating, and the effect that side ball 18 is subject to step 21 enters in through hole 19, and 18, the ball of opposite side is ejected to coordinate with cam ring inclined-plane 22; After ball 18 is rolled to the top on cam ring inclined-plane 22 along cam ring inclined-plane 22, rotor 8 is rotated further certain angle (5 °) again; Now, the limited block 20 in cam body 7 contacts with the alignment pin 5 on rotor 8, thus makes door leaf cannot continue to open again.
Meanwhile, due to the vertical motion of rotor 8, the pulling force making rotor 8 pull pull bar 3 to overcome back-moving spring 4 moves up; In moving process, piston 29 moves upward; Hydraulic oil in rod chamber 33 enters in rodless cavity 32 by one way valve 28 fast; Complete the preparation of buffering of closing the door.
Due to limited block 20 makes rotor 8 can respectively to more than two direction half-twists.Go to be greater than 90 ° time, make roller bearing 12 turn over the top of the pointed body 24 of evagination wheel face 25; Make door leaf be fixed on opening, can not close.
When needing to close, door leaf is closed to 90 ° with lower angle; After the top of pointed body 24 crossed by roller bearing 12, under the pulling of back-moving spring 4, can along evagination wheel face 25 landing downwards; Buffer solution in hydraulic cylinder 2 is slowly discharged by piston 29, reaches buffering effect.
In door leaf closing process, due to design feature of the present utility model, cam ring inclined-plane 22 can limit the rotation of ball 18; Under the restriction on cam ring inclined-plane 22, rotor 8 drives ball 18 to decline with the pull bar 3 of buffer 1, could rotate by promotion pivoted housing 14 under the effect of cam surface 25 outside; Pull bar 3 decrease speed of buffer 1 is comparatively slow, and it is too fast that rotor 8 drives ball 18 to rotate, then cam ring inclined-plane 22 can limit the too fast rotation of ball 18 with rotor 8, makes the too fast limited in rotation of rotor 8, reaches and close a buffering effect.
When buffer 1 cushions, back-moving spring 4 drives pull bar 3 and piston 29 to decline, and the hydraulic oil in rodless cavity 32 can not enter rod chamber 33 by one way valve 28, can only flow to rod chamber 33 from return line 31; By rotating the cylinder 37 of flow rate adjustment device 23, change the dynamics that eccentric grove 36 on cylinder 37 and the first oilhole 34 be communicated with gap size with the second oilhole 38 realizes controlling to cushion.
Be understandable that, above about specific descriptions of the present utility model, the technical scheme described by the utility model embodiment is only not limited to for illustration of the utility model, those of ordinary skill in the art is to be understood that, still can modify to the utility model or equivalent replacement, to reach identical technique effect; Needs are used, all within protection domain of the present utility model as long as meet.
Claims (10)
1. the core body of shaft type door closer, comprise the cam body (7) of tubular, it is characterized in that: cam body (7) top is provided with evagination wheel face (25), rotor (8) is provided with in cam body (7), the upper end of described rotor (8) is provided with the roller bearing (12) that same evagination wheel face (25) coordinates, described cam body (7) top is outside equipped with pivoted housing (14), and pivoted housing (14) is provided with vertical guide groove (13) corresponding to roller bearing (12).
2. the core body of shaft type door closer according to claim 1, it is characterized in that: in described cam body (7), be provided with cam ring inclined-plane (22), the lower end on cam ring inclined-plane (22) is provided with step (21), and the lower end of step (21) is provided with limited block (20); The middle part of described rotor (8) is provided with through hole (19), is provided with guide pillar (17) in through hole (19), and the two ends of guide pillar (17) are provided with ball (18); The length sum of described two balls (18) and guide pillar (17), when meeting side ball (18) with step (21) contacts side surfaces, opposite side ball (18) matches with the surface of cam ring inclined-plane (22); Rotor (8) bottom is provided with alignment pin (5) corresponding to limited block (20).
3. the core body of shaft type door closer according to claim 2, is characterized in that: described evagination wheel face (25) is set to two corresponding pointed bodies (24), the both sides being arranged at cam body (7) upper end that two pointed bodies (24) are symmetrical; Described cam ring inclined-plane (22) is also set to two, and the upper end on two cam ring inclined-planes (22) connects, and the lower end on two cam ring inclined-planes (22) is provided with step (21), and described limited block (20) is arranged between described two steps (21); Described limited block (20) is corresponding with the pointed body (24) of side; Preferably, described step (21) is provided with domatic corresponding to ball (18).
4. the core body of shaft type door closer according to claim 1, is characterized in that: described rotor (8) upper end is provided with link slot, and described roller bearing (12) is horizontally set in described link slot by bearing pin (11).
5. the core body of shaft type door closer according to claim 3, is characterized in that: described limited block (20) makes rotor (8) can respectively to more than two direction half-twists.
6. one kind uses the shaft type door closer of the core body of shaft type door closer as described in Claims 1 to 5, comprise housing (6), be provided with described core body (10) in housing (6), it is characterized in that: core body (10) top is provided with the gland (15) coordinated with housing (6); The pulling axis (16) be connected with described pivoted housing (14) is provided with in gland (15); Core body (10) below is provided with buffer (1), and buffer (1) comprises hydraulic cylinder (2), arranges the pull bar (3) with back-moving spring (4) in hydraulic cylinder (2), and the upper end of pull bar (3) is connected with the lower end of described rotor (8).
7. shaft type door closer according to claim 6, it is characterized in that: pull bar (3) below of described buffer (1) is provided with piston (29), described piston (29) is provided with the one way valve (28) that can flow to rodless cavity (32) from the rod chamber of hydraulic cylinder (2) (33); The end of described hydraulic cylinder (2) interior rodless cavity (32) is provided with the return line (31) being communicated with rod chamber (33); Described return line (31) is provided with flow rate adjustment device (23).
8. shaft type door closer according to claim 6, is characterized in that: described pull bar (3) lower end is provided with spacer shell (43), and pull bar (3) bottom is outside equipped with top cover (42); The lower end of described back-moving spring (4) is connected with described top cover (42) upper surface; Rolling bearing (41) is provided with between top cover (42) and spacer shell (43); Described spacer shell (43) is provided with the transitional pore (44) being communicated with one way valve (28) and rod chamber (33).
9. shaft type door closer according to claim 7, it is characterized in that: described flow rate adjustment device (23) comprises big envelope (35), big envelope (35) surface is provided with first oilhole (34) corresponding with return line (31) oil inlet end, and big envelope (35) is provided with the second oilhole (38) relative to the first oilhole (34); Be provided with in big envelope (35) with the first oilhole (34) and the corresponding control valve (40) of the second oilhole (38), big envelope (35) is outside equipped with the breach (39) of connection second oilhole (38) and described rod chamber (33); Described control valve (40) comprises the cylinder (37) be arranged in big envelope (35), cylinder (37) is provided with the eccentric grove (36) of arc corresponding to the first oilhole (34) and the second oilhole (38).
10. shaft type door closer according to claim 6, it is characterized in that: the both sides of described hydraulic cylinder (2) are provided with return line (31), the first interface (26) between a return line (31) and hydraulic cylinder (2) is arranged in the groove (27) of hydraulic cylinder (2) bottom; The second interface (30) between another return line (31) and hydraulic cylinder (2) is arranged at hydraulic cylinder (2) inner surface, and the second interface (30) is arranged higher than first interface (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492047.XU CN204060292U (en) | 2014-08-29 | 2014-08-29 | Shaft type door closer and core body thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420492047.XU CN204060292U (en) | 2014-08-29 | 2014-08-29 | Shaft type door closer and core body thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204060292U true CN204060292U (en) | 2014-12-31 |
Family
ID=52201832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420492047.XU Expired - Fee Related CN204060292U (en) | 2014-08-29 | 2014-08-29 | Shaft type door closer and core body thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204060292U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196390A (en) * | 2014-08-29 | 2014-12-10 | 李焕志 | Shaft-type door closing device and core thereof |
-
2014
- 2014-08-29 CN CN201420492047.XU patent/CN204060292U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104196390A (en) * | 2014-08-29 | 2014-12-10 | 李焕志 | Shaft-type door closing device and core thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202645218U (en) | Multifunctional hinge | |
| CN201391162Y (en) | Floor spring | |
| CN203742326U (en) | Multifunctional hydraulic-buffering shaft core | |
| CN203769499U (en) | Multifunctional shaft core of independent oil cylinder | |
| CN203452741U (en) | Self-expansion continuous airlift overall sealing plunger | |
| CN102962985A (en) | Bottom die and die set link mechanism of bottle blowing machine | |
| CN204060292U (en) | Shaft type door closer and core body thereof | |
| CN203627868U (en) | Novel distraction spherical intercepting valve | |
| CN207261704U (en) | A kind of bracing type forced seal ball valve | |
| CN102278031B (en) | Multifunctional hinge mandrel | |
| CN104196390B (en) | Axle formula door closer and core body thereof | |
| CN102635097A (en) | Active gate bottom-edge device with function of adjusting water column pressure | |
| CN202262359U (en) | Dumpling molding component for dumpling machine | |
| CN204140901U (en) | The hard sealing rotary plug valve of a kind of Quick lift-type | |
| CN203531597U (en) | Low-elasticity door closer | |
| CN205674405U (en) | A kind of mould of spherical structure | |
| CN102635096B (en) | Passive gate bottom-edge device with function of automatic adjustment of water column pressure | |
| CN203531598U (en) | One-way valve mechanism of door closer | |
| CN202510751U (en) | Guide assembly of expanding track ball valve | |
| CN205677810U (en) | A kind of horizontal well production pump | |
| CN204403436U (en) | Novel flow rate regulating and controlling valve | |
| EP2949851A1 (en) | Slow-closing hinge for doors | |
| CN206468851U (en) | A kind of check valve | |
| CN104499860A (en) | Floor spring with door opening and closing strength adjusting and multi-point positioning functions | |
| CN218177977U (en) | Valve of valve rod anti-blowing structure device |
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: 20141231 |