CN202627771U - Steel butterfly automatic door-closing speed governing hinge - Google Patents
Steel butterfly automatic door-closing speed governing hinge Download PDFInfo
- Publication number
- CN202627771U CN202627771U CN 201220322637 CN201220322637U CN202627771U CN 202627771 U CN202627771 U CN 202627771U CN 201220322637 CN201220322637 CN 201220322637 CN 201220322637 U CN201220322637 U CN 201220322637U CN 202627771 U CN202627771 U CN 202627771U
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- plunger
- leaf
- tube page
- single tube
- plunger rod
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Abstract
The utility model discloses a steel butterfly automatic door-closing speed governing hinge which comprises a single-pipe hinge and a double-pipe hinge; automatic door-closing speed governing mechanisms are arranged in the pipe bodies of the single-pipe hinge and the double-pipe hinge; each automatic door-closing speed governing mechanism comprises a plunger, a plunger rod, a plunger cover, an oil cylinder cover, a speed governing valve, a one-way valve and a speed governing screw rod; the plunger rod is fixedly connected with one pipe body of the double-pipe hinge; the plunger rod and the plunger are matched by staying still in a circumferential direction and sliding in an axial direction; a protruded step is arranged close to a position at which the plunger and the plunger rod are matched on the inner wall of the pipe body of the single-pipe hinge; a thread is arranged on the protruded step; the thread which is matched with the thread of the protruded step is arranged on the outer peripheral surface of the plunger; the plunger and the pipe body of the single-pipe hinge form threaded spiral matching; the plunger is made of a steel material; the single-pipe hinge is made of the steel material; and the utility model provides the steel butterfly automatic door-closing speed governing hinge which is simple to connect, convenient to operate, has reliable hardness and bearing force, and is not easy to deform.
Description
Technical field
The utility model relates to a kind of hinge, is meant that especially a kind of steel butterfly closes a speed governing hinge automatically.
Background technology
At present, having on the market and close a speed governing hinge automatically, is the rectilinear motion that changes rotatablely moving of door leaf into plunger; This motion is through the plunger interlock mutually of plunger rod with the band negative thread of band pin thread, processes straight-tooth at the external cylindrical surface of negative thread, and the interior pipe of the door leaf page or leaf of speed governing hinge also has straight-tooth; Two straight-tooth interlocks radially fixing its axially can be slided, and plunger and plunger rod need well seal, and will have many places to seal frequent leakage of oil; Complex structure, cost is high, and efficient is low; The plunger outside is towards the body straight-tooth mutually interlock slip of straight-tooth with the door leaf page or leaf; The door leaf body is quick-wearing and scrapping very, moreover is rotating part and will lean on rivet being connected of running part, makes the unreliable or leakage of oil of transmission.
The patent No. is: ZL201120237721.6 discloses a kind of butterfly and has closed a speed governing hinge automatically, includes single tube page or leaf, two-tube page or leaf, is provided with in the body of said single tube page or leaf and two-tube page or leaf and closes a speed adjusting gear automatically; A described speed adjusting gear that closes automatically includes nut sleeve, plunger, plunger rod, cover of plunger, oil cylinder cover, flow speed control valve, one way valve and speed adjustment screw, and wherein nut sleeve is fixedly installed in the body of single tube page or leaf, and said plunger and plunger rod circumferentially are linked; Plunger is fixedly connected with a body of two-tube page or leaf, and said nut sleeve achieves a fixed connection through convex shoulder and the single tube page or leaf on tooth-like cushion block, adapter sleeve and the single tube page or leaf inboard wall of tube body, and single tube page or leaf and two-tube page or leaf produce relative rotation when opening the door; Plunger rod and plunger are that a rotor rotates simultaneously, and plunger is also done straight reciprocating motion along the straight-tooth of plunger rod lower end, and this motion is to be the relative motion between another rotor by nut sleeve; Making plunger do axis while rotating moves; Nut sleeve is complicated with the mode that is fixedly connected of single tube page or leaf, and fitting operation is inconvenient, the cost of production aspect; The processing nut sleeve has increased and has produced; The single tube page or leaf of existing market and two-tube page or leaf all are to adopt aluminium alloys, and aluminium alloys is yielding, and hardness and holding capacity are weak; The cost of production aspect, the aluminium alloys price is high.
Summary of the invention
The purpose of the utility model is in order to overcome above-mentioned shortcoming, and the utility model provides a kind of connected mode simple, easy to operate, and hardness and holding capacity are reliable, and on-deformable steel butterfly is closed a speed governing hinge automatically.
Realize above-mentioned purpose; The utility model adopts following technical scheme: a kind of steel butterfly is closed a speed governing hinge automatically; Include single tube page or leaf, two-tube page or leaf, be provided with in the body of said single tube page or leaf and two-tube page or leaf and close a speed adjusting gear automatically, a said speed adjusting gear that closes automatically includes plunger, plunger rod, cover of plunger, flow speed control valve, one way valve and speed adjustment screw; Said plunger rod is fixedly connected with a body of two-tube page or leaf; Said plunger rod and plunger are circumferentially static, axial slip cooperates, and it is characterized in that: be provided with the projection step near plunger and plunger rod cooperation position place on the said single tube page or leaf inboard wall of tube body, this projection step is provided with screw thread; Said plunger outer peripheral face be provided with the projection step on the screw thread of threaded engagement; Plunger spins with single tube page or leaf body formation screw thread and cooperates, and said plunger is to be processed by steel, and said single tube page or leaf is to be processed by steel.
Through adopting technique scheme, plunger spins with the body screw thread of single tube page or leaf and cooperates, and this structure makes the cylinder body in the hinge not have the rivet connection, has not only reduced breakthrough, its secure and reliable connection, and also appearance looks elegant is generous, and convenient for assembly; On the body of single tube page or leaf screw thread is set, this being wholely set is convenient to processing, and said plunger and single tube page or leaf are to be processed by steel; Steel hardness and holding capacity are reliable, and be not yielding, and said structure has been simplified on processing technology a lot; And can standardized production, assembling; Improved production efficiency greatly, the cost of production aspect has reduced cost of production.
The utility model further is set to: said plunger rod is realized being connected with single tube page or leaf body axial restraint through the shoulder rank on the cylinder cap that oils, planchet and the single tube page or leaf inboard wall of tube body; Said planchet is arranged on the shoulder rank; The cylinder cap that oils is fixedly connected with single tube page or leaf body through straight pin; The groove of cylinder cap and the planchet formation that oils is provided with flange on the said plunger rod, and plunger rod flange is provided with in the groove and realizes and single tube page or leaf body axial restraint; Oiling is provided with sealing ring between cylinder cap and the single tube page or leaf body, plunger rod and oil and be provided with sealing ring between the cylinder cap.
The utility model further is set to: said plunger is a hollow structure; The inwall of this hollow bulb is provided with straight-tooth; Plunger rod one end circumferentially is fixedly connected with a body of two-tube page or leaf; The other end cooperates with plunger, and the outer peripheral face of plunger rod and plunger abutting end is provided with straight-tooth, and the straight-tooth of plunger hollow bulb is circumferentially static with the straight-tooth interlock formation on the plunger stem end outer peripheral face, axial slip cooperates; Said plunger is provided with bearing assembly with respect to being provided with sealing ring between the other end of plunger rod and the single tube page or leaf body between two bodys of said single tube page or leaf body and two-tube page or leaf.
The utility model further is set to: said cover of plunger is arranged on the other end of plunger with respect to plunger rod, and said one way valve is arranged on the cover of plunger.
The utility model further is set to: said single tube page or leaf body with respect to the other end of the cylinder cap that oils through the sealing that spins of lower oil cylinder cover screw thread.
The purpose that the utility model further is provided with is: we take into full account on the basis of convenience that this product uses and feasibility and set up; Wherein all be provided with bearing assembly between two bodys of the body of single tube page or leaf and two-tube page or leaf, the branch about when installing, not having has like this reduced the storage capacity of finished product and half product; This mode of such scheme plunger and plunger rod also is unusual science; Result of use is good, and the such scheme lower oil cylinder cover promptly plays cylinder seal, plays mandrel again; Oil cylinder cover be set to oil cylinder cap and lower oil cylinder cover makes simple in structure, practical, easy to operate in addition.
Below in conjunction with accompanying drawing the utility model is done further explain.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the piston structure sketch map of the utility model embodiment;
Fig. 3 is the plunger rod structural representation of the utility model embodiment;
Fig. 4 is the I portion enlarged diagram of the utility model embodiment.
The specific embodiment
Shown in Fig. 1-4 figure, the utility model adopts following technical scheme: a kind of steel butterfly is closed a speed governing hinge automatically, includes single tube page or leaf 1, two-tube page or leaf 2; Be provided with in the body of said single tube page or leaf 1 and two-tube page or leaf 2 and close a speed adjusting gear 3 automatically, the said speed adjusting gear 3 that closes automatically includes plunger 31, plunger rod 32, cover of plunger 33, flow speed control valve 34, one way valve 35 and speed adjustment screw 36, and said plunger rod 32 is fixedly connected with a body 21 of two-tube page or leaf 2; Said plunger rod 32 is circumferentially static with plunger 31, axial slip cooperates; It is characterized in that: be provided with projection step 112 near plunger 31 with plunger rod 32 cooperation position places on said single tube page or leaf 1 body 11 inwalls, this projection step 112 is provided with screw thread 1121, said plunger 31 outer peripheral faces be provided with projection step 112 on the screw thread 311 that cooperates of screw thread 1121; Plunger 31 spins with single tube page or leaf 1 body 11 formation screw threads and cooperates; Said plunger 31 is to be processed by steel, and said single tube page or leaf 1 is to be processed by steel, through adopting technique scheme; Plunger 31 spins with body 11 screw threads of single tube page or leaf 1 and cooperates; This structure makes the cylinder body in the hinge not have the rivet connection, has not only reduced breakthrough, its secure and reliable connection; And appearance looks elegant is generous, and is convenient for assembly; On the body of single tube page or leaf screw thread is set, this being wholely set is convenient to processing; Described plunger 31 adopts the steel butterfly with single tube page or leaf 1 material, and hardness and the holding capacity of steel butterfly are reliable; Said structure has been simplified on processing technology a lot, and can standardized production, assembling, improved production efficiency greatly, the cost of production aspect has reduced cost of production.
In the utility model embodiment; Said plunger rod 32 is realized being connected with single tube page or leaf 1 body 11 axial restraints through the shoulder rank on the cylinder cap 4 that oils, planchet 6 and the single tube page or leaf inboard wall of tube body 111; Said planchet 6 is arranged on the shoulder rank 111, and the cylinder cap 4 that oils is fixedly connected with single tube page or leaf 1 body 11 through straight pin 7, the groove that oil cylinder cap 41 and planchet 6 constitute; On the said plunger rod 32 flange 321 is set; Plunger rod 32 flanges 321 are provided with to be realized in the groove being connected with single tube page or leaf 1 body 11 axial restraints, and oiling is provided with sealing ring 8 between cylinder cap 4 and single tube page or leaf 1 body 11, plunger rod 32 and oil and be provided with sealing ring 8 between the cylinder cap 4; Said plunger 31 is a hollow structure; The inwall of this hollow bulb is provided with straight-tooth 312; Plunger rod 32 1 ends circumferentially are fixedly connected with a body 21 of two-tube page or leaf 2; The other end cooperates with plunger 31, and plunger rod 32 is provided with straight-tooth 322 with the outer peripheral face of plunger 31 abutting ends, and the straight-tooth 322 interlocks formation on 32 ends of the straight-tooth 312 of plunger 31 hollow bulbs and plunger rod outer peripheral face is circumferentially static, axial slip cooperates; Said plunger 31 is provided with bearing assembly 9 with respect to being provided with sealing ring 8 between the other end of plunger rod 32 and single tube page or leaf 1 body 11 between two bodys 21 of said single tube page or leaf 1 body 11 and two-tube page or leaf 2; Said cover of plunger 33 is arranged on the other end of plunger 31 with respect to plunger rod 32, and said one way valve 35 is arranged on the cover of plunger 33; Said single tube page or leaf 1 body 11 with respect to the other end of the cylinder cap 4 that oils through the sealing that spins of lower oil cylinder cover 5 screw threads.
Operating principle: single tube page or leaf 1 produces relative rotation with two-tube page or leaf 2 when opening the door; Plunger rod 32 is that a rotor rotates simultaneously with plunger 31, and plunger 31 is also done straight reciprocating motion along the straight-tooth 321 of plunger rod 32 lower ends, and this motion is to be the relative motion between another rotor by plunger 31 and single tube page or leaf; Plunger 31 is done axis while rotating and is moved; Plunger 31 moves up when opening the door, and one way valve 35 is opened when moving on the plunger 31, and the hydraulic oil on oil cylinder top flows into the oil cylinder bottom through one way valve 35; Its transmission at closing time is identical when opening the door, and just plunger 31 moves from top to bottom, and this moment, one way valve 35 was closed, and the hydraulic oil of oil cylinder bottom flows to the top of oil cylinder through flow speed control valve 34, and can regulate the speed of closing the door this moment.
Claims (5)
1. a steel butterfly is closed a speed governing hinge automatically; Include single tube page or leaf, two-tube page or leaf, be provided with in the body of said single tube page or leaf and two-tube page or leaf and close a speed adjusting gear automatically, a said speed adjusting gear that closes automatically includes plunger, plunger rod, cover of plunger, flow speed control valve, one way valve and speed adjustment screw; Said plunger rod is fixedly connected with a body of two-tube page or leaf; Said plunger rod and plunger are circumferentially static, axial slip cooperates, and it is characterized in that: be provided with the projection step near plunger and plunger rod cooperation position place on the said single tube page or leaf inboard wall of tube body, this projection step is provided with screw thread; Said plunger outer peripheral face is provided with the screw thread with projection step threaded engagement; Plunger spins with single tube page or leaf body formation screw thread and cooperates, and said plunger is to be processed by steel, and said single tube page or leaf is to be processed by steel.
2. steel butterfly according to claim 1 is closed a speed governing hinge automatically; It is characterized in that: said plunger rod is realized being connected with single tube page or leaf body axial restraint through the shoulder rank on the cylinder cap that oils, planchet and the single tube page or leaf inboard wall of tube body; Said planchet is arranged on the shoulder rank, and the cylinder cap that oils is fixedly connected with single tube page or leaf body through straight pin, the groove that oil cylinder cap and planchet constitute; On the said plunger rod flange is set; Plunger rod flange is provided with in the groove and realizes and single tube page or leaf body axial restraint, and oiling is provided with sealing ring between cylinder cap and the single tube page or leaf body, plunger rod and oil and be provided with sealing ring between the cylinder cap.
3. steel butterfly according to claim 2 is closed a speed governing hinge automatically; It is characterized in that: said plunger is a hollow structure; The inwall of this hollow bulb is provided with straight-tooth, and plunger rod one end circumferentially is fixedly connected with a body of two-tube page or leaf, and the other end cooperates with plunger; The outer peripheral face of plunger rod and plunger abutting end is provided with straight-tooth; That straight-tooth interlock on the straight-tooth of plunger hollow bulb and the plunger stem end outer peripheral face constitutes is circumferentially static, axial slip cooperates, and said plunger is with respect to being provided with sealing ring between the other end of plunger rod and the single tube page or leaf body, is provided with bearing assembly between two bodys of said single tube page or leaf body and two-tube page.
4. steel butterfly according to claim 3 is closed a speed governing hinge automatically, it is characterized in that: said cover of plunger is arranged on the other end of plunger with respect to plunger rod, and said one way valve is arranged on the cover of plunger.
5. steel butterfly according to claim 4 is closed a speed governing hinge automatically, it is characterized in that: said single tube page or leaf body with respect to the other end of the cylinder cap that oils through the sealing that spins of lower oil cylinder cover screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322637 CN202627771U (en) | 2012-07-04 | 2012-07-04 | Steel butterfly automatic door-closing speed governing hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220322637 CN202627771U (en) | 2012-07-04 | 2012-07-04 | Steel butterfly automatic door-closing speed governing hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202627771U true CN202627771U (en) | 2012-12-26 |
Family
ID=47380979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220322637 Expired - Fee Related CN202627771U (en) | 2012-07-04 | 2012-07-04 | Steel butterfly automatic door-closing speed governing hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202627771U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233640A (en) * | 2013-04-18 | 2013-08-07 | 赵泳淇 | Built-in floor spring |
-
2012
- 2012-07-04 CN CN 201220322637 patent/CN202627771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233640A (en) * | 2013-04-18 | 2013-08-07 | 赵泳淇 | Built-in floor spring |
| CN103233640B (en) * | 2013-04-18 | 2016-04-27 | 赵泳淇 | Built-in floor spring |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20160704 |