CN209909265U - Driving structure of rotary air valve - Google Patents
Driving structure of rotary air valve Download PDFInfo
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- CN209909265U CN209909265U CN201920796963.5U CN201920796963U CN209909265U CN 209909265 U CN209909265 U CN 209909265U CN 201920796963 U CN201920796963 U CN 201920796963U CN 209909265 U CN209909265 U CN 209909265U
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- rotating shaft
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- 238000007789 sealing Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 239000011435 rock Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000004887 air purification Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a driving structure of a rotary air valve, which comprises a rotating shaft, a bulge, a stepping motor, a driving gear and internal teeth, wherein the rotating shaft is used for being connected with a valve leaf of the air valve, and the end part of the rotating shaft is provided with a hasp; the protrusions and the rotating holes arranged on two sides of the upper valve body of the air valve are coaxial and are connected with the upper valve body, the rotating shaft can rotate after being matched with the rotating holes, and hasps arranged at the end parts of the rotating shaft can be buckled with the protrusions; the inner teeth are arranged on the inner side of a valve blade of the air valve; the stepping motor is used for being installed on an upper valve body of the air valve, the driving gear is meshed with the internal teeth after being connected with the stepping motor, and the stepping motor can drive the driving gear to rotate so as to drive the internal teeth to rotate, so that the valve blade rotates on the upper valve body around the rotating shaft; the utility model is used for mainly used drives the rotation of blast gate valve leaf to realize opening and closing of blast gate, the valve leaf is when rotating, and is more stable, reliable, and the difficult emergence of valve leaf is rocked.
Description
Technical Field
The utility model relates to a rotation type blast gate, concretely relates to drive structure of rotation type blast gate.
Background
The air valve, namely the air volume regulating valve, is an indispensable central air-conditioning end accessory in the ventilation, air-conditioning and air purification projects of industrial factory buildings and civil buildings, is generally used in air conditioners and ventilation system pipelines, is used for regulating the air volume of branch pipes, and can also be used for mixed regulation of fresh air and return air; the air valve is generally composed of a valve body, a valve blade and the like.
At present, an air valve used in a ventilation system has two modes of manual operation and electric operation, and the air valve is widely applied to the ventilation system with a non-strict air volume requirement or with an air volume which is not adjusted frequently as the air valve due to low investment of a manual valve, but is adjusted manually, is troublesome to operate and has limited application, most of the prior art drives the air valve in an electric mode, and in practice, a valve blade is generally arranged on a valve body and then connected with the valve blade through a motor to drive the valve blade, and when the air valve is driven, the joint of the valve body and the valve blade is easy to displace, so that the valve blade is unstable to be arranged and easy to shake; meanwhile, the motor is directly connected with the valve leaf, so that the requirements on the performance of the motor such as power, torque and the like are high.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome among the prior art valve leaf and valve body when being connected valve leaf installation unstability, the valve leaf takes place easily when rotating and rocks, and require the higher shortcoming to the performance of motor, a drive structure of rotation type blast gate is provided, can make the valve leaf and be connected between the valve body more reliable through this structure, it is more stable when the motion, the valve leaf is difficult for taking place to rock at the pivoted in-process, and simultaneously, it is not high to drive valve leaf pivoted motor performance requirement, the selection of motor is more diversified, greatly reduced the performance requirement to the motor.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a drive structure of rotation type blast gate which characterized in that:
comprises a rotating shaft, a bulge, a stepping motor, a driving gear and internal teeth,
the rotating shaft is used for being connected with a valve leaf of the air valve, and a hasp is arranged at the end part of the rotating shaft;
the rotary shaft is matched with the rotary holes and then can rotate, and hasps arranged at the end parts of the rotary shaft can be buckled with the bulges;
the inner teeth are integrally arc-shaped and are arranged on the inner side of a valve blade of the air valve;
step motor is used for installing on the last valve body of blast gate, the driving gear with step motor links to each other the back with internal gearing, step motor rotate can drive with driving gear engagement's internal gearing to make the valve leaf rotate on last valve body round the pivot.
Still include control panel, travel switch I, travel switch II and driving lever, the control panel is used for installing on the last valve body of blast gate, and travel switch I and travel switch II are installed on the control panel and are linked to each other with step motor, and travel switch I is close to the control panel upside, and travel switch II is close to the control panel downside, the driving lever is installed in the pivot, and when the pivot was rotated, the driving lever can contact with travel switch I or travel switch II.
Flanges I are arranged on two sides of the valve leaf.
The upper side of the valve leaf is provided with a flange II, the upper valve body is provided with an extending part, the extending part and the upper side of the upper valve body form a clamping area, and the flange II can be clamped with the clamping area.
The valve leaf downside is equipped with vertical portion, vertical portion can laminate with the lower valve body of blast gate.
And a sealing sheet is arranged at the position where the lower valve body is connected with the vertical part.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses mainly include pivot, arch, step motor, driving gear and internal tooth, in the in-service use, be connected the pivot with the valve leaf of blast gate, and make the pivot cooperate with the rotatory hole that sets up on the last valve body of blast gate, the pivot can rotate after cooperating with the rotatory hole, and the hasp carries out the lock with the arch that sets up on last valve body, can play better location and spacing effect like this, can make the cooperation between valve leaf and the last valve body more firm, more steady when the valve leaf rotates, can effectually avoid the valve leaf to produce when rotating and rock; therefore, when the air valve needs to be opened or closed, the air valve can be opened and closed only by controlling the starting, stopping, forward rotation and reverse rotation of the stepping motor, the stepping motor drives the driving gear to rotate, the driving gear drives the internal teeth meshed with the driving gear to rotate, the internal teeth rotate to further drive the valve leaf to rotate, and the valve leaf rotates around the rotating shaft to open and close the valve; the stepping motor drives the gear pair to move so as to drive the valve leaf to rotate, and the gear pair has a larger transmission ratio, so that the valve leaf is more stable and reliable in rotation; for the reason that the valve blade is directly connected with the stepping motor, the valve blade is driven to rotate in a mode of inner teeth and driving gears, the required power is smaller, the requirement on the stepping motor is reduced, and the selection of the stepping motor is more diversified; simultaneously, the internal tooth is the camber and laminates with the valve leaf, sets up like this and makes the space that the driving gear took after with the internal tooth meshing littleer, and the internal tooth setting does not basically occupy unnecessary space on the valve leaf.
2. The utility model discloses a travel switch I, travel switch II and driving lever that set up can realize the automatic stop of valve leaf, in the in-service use, the valve leaf can automatic stop after target in place, when the pivot rotates, make the driving lever also can rotate, and can contact with travel switch I or travel switch II and realize the control to step motor, when the driving lever leaves travel switch I, namely the valve leaf is rotating, when the driving lever contacts with travel switch II, can realize the purpose of valve leaf automatic stop; vice versa, the start-stop of blast gate is automatic more, the operation of being convenient for.
3. Flanges I are arranged on two sides of the valve leaf; flange I can play the effect that blocks, can the effectual air leakage volume that reduces between valve body both sides and the valve leaf to guarantee the holistic air leakage volume of valve body, guarantee the leakproofness of blast gate.
4. The upper side of the valve leaf of the utility model is provided with a flange II, the upper valve body is provided with an extension part, the extension part and the upper side of the upper valve body form a clamping area, and the flange II can be clamped with the clamping area; therefore, the sealing performance of the air valve can be further improved after the flange II is clamped with the clamping area, air leakage from a gap between the upper valve body and the upper part of the valve blade when the air valve is closed can be avoided, the flange II is clamped with the upper valve body, and the sealing performance of the air valve is further guaranteed.
5. The lower side of the valve leaf of the utility model is provided with a vertical part which can be jointed with the lower valve body; a sealing sheet is arranged at the joint of the lower valve body and the vertical part; set up like this and can make the blast gate be in when the closed condition, the gap between lower valve body and the vertical portion can be sealed to make the whole sealing performance of blast gate better, the amount of wind that leaks of the left and right sides of valve leaf and upper and lower both sides is nearly zero, can furthest reduce the rate of leaking out.
Drawings
Fig. 1 is a schematic overall exploded view of the air valve described in example 1.
Fig. 2 is a schematic view of the installation positions of a travel switch i and a travel switch ii of the driving structure described in embodiment 1.
Fig. 3 is a schematic view of the meshing relationship between the drive gear and the internal teeth of the drive structure according to embodiment 1.
Fig. 4 is a schematic view of the installation position relationship between the air valve and the ventilation duct in embodiment 1.
Fig. 5 is a partial enlarged view of a portion a-a in fig. 4.
Fig. 6 is a partially enlarged view of a portion a in fig. 4.
Fig. 7 is a partial enlarged view of fig. 5 at B.
Fig. 8 is a partial enlarged view of fig. 5 at C.
Fig. 9 is a partial enlarged view of fig. 2 at D.
Reference numerals: 1 air pipe, 2 connecting plates, 3 steps, 4 sealing strips, 5 upper valve bodies, 6 lower valve bodies, 7 valve blades, 8 rotating shafts, 9 hasps, 10 rotating holes, 11 bulges, 12 stepping motors, 13 driving gears, 14 internal teeth, 15 control panels, 16 travel switches I, 17 travel switches II, 18 deflector rods, 19 flange I, 20 flange II, 21 extending parts, 22 vertical parts, 23 sealing pieces and 24 electric control boxes.
Detailed Description
The present invention will be further described with reference to the following examples, which are only some, but not all, of the examples of the present invention. Based on the embodiments in the present invention, other embodiments used by those skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses the drive of mainly used blast gate realizes the motion of flap 7 in the blast gate, realizes the blast gate and opens and the purpose of closing, and it is right to combine the concrete structure of blast gate now the utility model discloses do further the explanation.
Example 1
A rotary air valve comprises an upper valve body 5, a lower valve body 6 and a valve blade 7, wherein the upper valve body 5 is connected with the lower valve body 6; wherein, both sides of the upper valve body 5 are provided with rotating holes 10;
install drive structure in the rotation type blast gate:
wherein, the driving structure comprises a rotating shaft 8, a protrusion 11, a stepping motor 12, a driving gear 13 and internal teeth 14.
The rotating shaft 8 is connected with a valve leaf 7 of the air valve, and a hasp 9 is arranged at the end part of the rotating shaft 8.
Wherein, arch 11 is the annular, arch 11 and the rotatory hole 10 that sets up at last valve body 5 both sides of blast gate are coaxial and are connected with last valve body 5, can rotate after pivot 8 and the cooperation of rotatory hole 10, and the hasp 9 that 8 tip of pivot set up can with protruding 11 looks locks.
Wherein, the internal tooth 14 is wholly arc-shaped and is installed at the inner side of the valve blade 7 of the air valve.
Wherein, step motor 12 is used for installing on last valve body 5 of blast gate, driving gear 13 with step motor 12 link to each other the back with internal tooth 14 meshes, step motor 12 can drive driving gear 13 and rotate and then drive internal tooth 14 and rotate to make valve leaf 7 rotate on last valve body 5 round pivot 8.
Further optimize, the drive structure still includes control panel 15, travel switch I16, travel switch II 17 and driving lever 18, control panel 15 is used for installing on the last valve body 5 of blast gate, and travel switch I16 and travel switch II 17 are installed on control panel 15 and are linked to each other with step motor 12, and travel switch I16 is close to control panel 15 upside, and travel switch II 17 is close to control panel 15 downside, driving lever 18 is installed on pivot 8, and when pivot 8 rotated, driving lever 18 can contact with travel switch I16 or travel switch II 17.
Further preferably, flanges I19 are arranged on two sides of the valve leaf 7; a flange II 20 is arranged on the upper side of the valve blade 7, an extension part 21 is arranged on the upper valve body 5, an engagement area is formed between the extension part 21 and the upper side of the upper valve body 5, and the flange II 20 can be engaged with the engagement area; the lower side of the valve leaf 7 is provided with a vertical part 22, and the vertical part 22 can be attached to the lower valve body 6 of the air valve; and a sealing sheet 23 is arranged at the position where the lower valve body 6 is connected with the vertical part 22.
In actual use, install the blast gate at the end of air pipe 1, wherein, go up 5 upsides of valve body and left and right sides installation connecting plate 2 to be equipped with a step 3 in air pipe 1, connecting plate 2 can paste mutually with the step face and fix with this step face, is equipped with sealing strip 4 between connecting plate 2 and step face, also is equipped with between blast gate downside and air pipe 1 sealing strip 4.
The air leakage rate between the turnover type air valve and the ventilation pipeline 1 is reduced by the arrangement of the air leakage rate adjusting device, so that the sealing performance between the turnover type air valve and the ventilation pipeline 1 is guaranteed.
Thus, the driving gear 13 is driven to rotate by the driving motor, the driving gear 13 drives the internal teeth 14 meshed with the driving gear to rotate, so that the valve vane 7 connected with the internal teeth 14 rotates around the rotating shaft 8, and the air valve is opened and closed; and the in-place automatic stop of the air valve blade 7 is realized through the matching of the arranged travel switch I16, the travel switch II 17 and the deflector rod 18.
When the air valve is required to be opened, the stepping motor 12 is started, the valve vane 7 rotates to open the air outlet, the deflector rod 18 arranged on the rotating shaft 8 also rotates at the moment, when the deflector rod 18 is in contact with the travel switch II 17, the stepping motor 12 is powered off and stops, and the air valve is in an open state; when the air valve needs to be closed, the stepping motor 12 is started again, at the moment, the stepping motor 12 rotates reversely, the driving valve leaf 7 rotates to seal the air outlet, when the driving lever 18 rotates and then contacts with the travel switch I16, at the moment, the stepping motor 12 is powered off and stopped again, so that the vertical part 22 on the valve leaf 7 is attached to the sealing sheet 23 arranged on the lower valve body 6, the flange II 20 arranged on the upper side of the valve leaf 7 is clamped with the clamping area formed by the extension part 21 arranged on the upper valve body 5 and the upper valve body 5, and meanwhile, the air outlet is completely sealed through the arranged flange I19, so that the sealing performance of the air valve is ensured; and then make the utility model discloses better leakproofness has.
The air valve further comprises an electric control box 24, and the electric control box 24 is installed on the side surfaces of the upper valve body 5 and the lower valve body 6; the control box 24 can protect the control panel 15.
Wherein the arrows in the drawings indicate the flow direction of the gas.
Claims (6)
1. The utility model provides a drive structure of rotation type blast gate which characterized in that:
comprises a rotating shaft, a bulge, a stepping motor, a driving gear and internal teeth,
the rotating shaft is used for being connected with a valve leaf of the air valve, and a hasp is arranged at the end part of the rotating shaft;
the rotary shaft is matched with the rotary holes and then can rotate, and hasps arranged at the end parts of the rotary shaft can be buckled with the bulges;
the inner teeth are integrally arc-shaped and are arranged on the inner side of a valve blade of the air valve;
step motor is used for installing on the last valve body of blast gate, the driving gear with step motor after linking to each other with the intermeshing, step motor can drive the driving gear and rotate and then drive the internal tooth and rotate to make the valve leaf rotate on last valve body round the pivot.
2. A driving structure of a rotary damper according to claim 1, wherein: still include control panel, travel switch I, travel switch II and driving lever, the control panel is used for installing on the last valve body of blast gate, and travel switch I and travel switch II are installed on the control panel and are linked to each other with step motor, and travel switch I is close to the control panel upside, and travel switch II is close to the control panel downside, the driving lever is installed in the pivot, and when the pivot was rotated, the driving lever can contact with travel switch I or travel switch II.
3. A driving structure of a rotary damper according to claim 1, wherein: flanges I are arranged on two sides of the valve leaf.
4. A driving structure of a rotary damper according to claim 3, wherein: the upper side of the valve leaf is provided with a flange II, the upper valve body is provided with an extending part, the extending part and the upper side of the upper valve body form a clamping area, and the flange II can be clamped with the clamping area.
5. A driving structure of a rotary damper, according to claim 4, wherein: the valve leaf downside is equipped with vertical portion, vertical portion can laminate with the lower valve body of blast gate.
6. A driving structure of a rotary damper according to claim 5, wherein: and a sealing sheet is arranged at the position where the lower valve body is connected with the vertical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796963.5U CN209909265U (en) | 2019-05-30 | 2019-05-30 | Driving structure of rotary air valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920796963.5U CN209909265U (en) | 2019-05-30 | 2019-05-30 | Driving structure of rotary air valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209909265U true CN209909265U (en) | 2020-01-07 |
Family
ID=69049359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920796963.5U Expired - Fee Related CN209909265U (en) | 2019-05-30 | 2019-05-30 | Driving structure of rotary air valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209909265U (en) |
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2019
- 2019-05-30 CN CN201920796963.5U patent/CN209909265U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200107 |