CN211820946U

CN211820946U - Intelligent gas meter instant closing motor valve

Info

Publication number: CN211820946U
Application number: CN201922183760.1U
Authority: CN
Inventors: 韩科备; 夏申阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-09
Filing date: 2019-12-09
Publication date: 2020-10-30
Anticipated expiration: 2029-12-09

Abstract

The utility model discloses an intelligent gas meter closes motor valve in twinkling of an eye, including medium plate, the drive tooth, first speed reduction tooth, wear the board tooth, the ratchet tooth, second speed reduction tooth, the rack, the thorn piece, the ratchet seat, ratchet seat lid, the locating plate, including a motor, an end cap, a controller, and a cover plate, the ratchet piece spring, the rack spring, the bearing seal, the shaft seal lid, the rack chamber lid, sealed end cap, end cap skeleton, the valve seat connecting plate, the lead plug, the magnet steel, the tongue tube, the gear chamber sealing washer, the connecting plate sealing washer, the valve seat sealing washer, first gear shaft and second gear shaft, this motor valve adopts the cooperation of diversion ratchet and thorn piece, through a series of steps such as spring prestretching, make the motor can not produce the; the deformation of the ratchet sheet is realized by utilizing the elastic deformation of the spring, so that the running performance of the mechanism is always kept consistent, and the stability and consistency of the product are better; and the valve in-place signal is triggered by a magnetic steel induction peak tube, so that the reliability and the product safety are improved, and the quality hidden danger is avoided.

Description

Intelligent gas meter instant closing motor valve

Technical Field

The utility model relates to a gas table valve equipment technical field specifically is an intelligent gas table closes motor valve in twinkling of an eye.

Background

The outside of the gas meter can only see that the small glass window is provided with a roller with numbers, the roller is also provided with seven digits, the front four digits of the small digits are black, and the rear three digits are red; the fuel for people to cook in daily life is converted from the conventional energy sources with serious waste and pollution such as firewood, coal and the like into natural gas and coal gas, even clean energy sources such as electricity and the like; the gas meter plays a role, and the automatic accumulation function of the gas meter enables a family using natural gas or pipeline gas to conveniently know how much gas is used so as to pay according to cubic meters of consumed gas per month, and when people do not use the gas meter temporarily, the family can use a valve to close; however, in the same type of valves CN200720113647 in the existing market, most of the single-phase transmission mechanisms of the cantilever adopt swastika pawls, elastic deformation of POM plastic is utilized to achieve the unidirectional rotation meshing gear of the cantilever, and the valve is closed by reversely rotating and disengaging teeth, but the mechanism has the defects that the elastic deformation of the plastic is utilized to be inconsistent with the elasticity at the normal temperature or the elasticity fails at the low temperature, and the swastika pawls are not elastically deformed (at the moment, a motor is blocked and rotated) when reversely rotating, the hard contact between the pawls and the ratchet wheel is easy to cause abrasion, the working voltage of the product is limited in DC5.5V, the abrasion or the fracture of the pawls is easy to cause when the voltage is exceeded, and the total working life is less than 5000 times; the valve in-place signal adopts a mechanical spring sheet, and if the valve is not tightly sealed, contact sparks can be caused inside the valve, so that the quality is hidden.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an intelligent gas table closes the electric machine valve in twinkling of an eye to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: an intelligent gas meter instant-closing motor valve comprises a middle plate, a driving tooth, a first speed reduction tooth, a plate penetrating tooth, a ratchet tooth, a second speed reduction tooth, a rack, a ratchet plate, a ratchet seat cover, a positioning plate, a motor cavity cover, a ratchet plate spring, a rack spring, a shaft seal cover, a rack cavity cover, a seal plug, a plug framework, a valve seat connecting plate, a lead plug, magnetic steel, a reed pipe, a gear cavity seal ring, a connecting plate seal ring, a valve seat seal ring, a first gear shaft, a second gear shaft, a third gear shaft, a first screw and a second screw, wherein the magnetic steel is welded and fixed on the inner wall of one side of the middle plate, the ratchet seat is fixedly inserted and connected on the outer wall of one side of the second gear shaft, the lead plug is installed on the outer wall of one side of the ratchet seat, the ratchet seat cover is installed on the outer wall of the top end of the ratchet seat, the outer wall of the middle plate, which is positioned on one side of the gear cavity sealing ring, is in contact connection with a rack cavity cover, the outer wall of one side of the rack cavity cover is fixedly distributed with a first screw in an inserting manner, the other end of the first screw penetrates through the outer walls of the two sides of the middle plate, the outer wall of the other side of the rack cavity cover is fixedly welded with a reed pipe, the outer wall of the other side of the middle plate is in contact connection with a motor cavity cover, the other end of the first screw is inserted inside the motor cavity cover, the outer wall of one side of the motor cavity cover is fixedly welded with a positioning plate, the inner wall of one side of the motor cavity cover is in bolt connection with a motor, the inner wall of the motor cavity cover, which is positioned on one side of the motor, is rotatably connected with driving teeth, the outer wall of the bottom end of the middle plate is placed and connected with a valve seat connecting plate, a plug framework is welded and fixed on the inner wall of the top end of the valve seat, a connecting plate sealing ring is fixedly sleeved on the outer wall of the bottom end of the valve seat connecting plate, which is positioned on one side of the plug framework, a sealing plug is installed on the inner wall of one side of the sealing plug, a shaft sealing cover is fixedly sleeved on the inner wall of one side of the sealing plug, a shaft seal is fixedly welded on the outer wall of the top end of the shaft sealing cover, one side of the shaft seal is inserted into the valve seat connecting plate, a rack is fixedly welded on the outer wall of the top end of the shaft seal, a rack spring is fixedly sleeved on the outer wall of one side of the rack, a second deceleration tooth is rotatably connected on the outer wall of the top end of one side of the rack, a second gear shaft is fixedly welded on the outer wall of one side of the second deceleration tooth, a ratchet sheet is connected on the outer wall of one side of the second deceleration, fixedly connected with third gear shaft on the middle part outer wall of ratchet tooth, the meshing is connected with wearing the board tooth on one side outer wall of ratchet tooth, the meshing is connected with first speed reduction tooth on one side outer wall of wearing the board tooth, fixedly connected with first gear shaft on the middle part outer wall of first speed reduction tooth.

Furthermore, the outer wall of one side of the first speed reduction tooth is meshed and connected with the outer wall of one side of the driving tooth.

Furthermore, the outer wall of the top end of the valve seat connecting plate is provided with a second screw in a sleeved and fixed mode, and the other end of the second screw is connected to the inside of the valve seat in a threaded mode.

Furthermore, the number of the first screws is four, and the number of the second screws is five.

Furthermore, the other end of the rack penetrates through the outer walls of the two sides of the valve seat connecting plate, and the other end of the rack is inserted into the middle plate.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model adopts the matching of the direction-changeable ratchet wheel and the ratchet piece, and a series of steps such as pre-jacking by the spring and the like to lead the ratchet wheel and the ratchet piece to generate intermittent motion, thereby leading the motor to release the blocking force to lead the motor not to generate the blocking rotation; the deformation of the ratchet sheet is realized by utilizing the elastic deformation of the spring, so that the running performance of the mechanism is consistent with that of the normal temperature at low temperature or high temperature, and the stability and consistency of the product are better; and the valve signal that targets in place adopts magnet steel response peak pipe to trigger, thereby the peak pipe is by glass or the airtight external air supply of contactless that moulds plastics has improved the reliability, even the cracked dry spring of peak pipe glass outer wall can not the actuation, great improvement the product security, avoid the quality hidden danger to take place.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the overall exploded perspective structure of the present invention;

FIG. 3 is a schematic structural view of the bidirectional ratchet tooth-disengaging device of the present invention;

FIG. 4 is a schematic view of the structure of the bidirectional ratchet of the present invention;

in the figure: 1. a middle plate; 2. a driving tooth; 3. a first reduction gear; 4. threading plate teeth; 5. ratchet teeth; 6. a second reduction gear; 7. a rack; 8. a thorn sheet; 9. a ratchet seat; 10. a ratchet seat cover; 11. positioning a plate; 12. a motor; 13. a motor cavity cover; 14. a ratchet leaf spring; 15. a rack spring; 16. shaft sealing; 17. a shaft seal cover; 18. a rack cavity cover; 19. sealing the plug; 20. a plug framework; 21. a valve seat; 22. a valve seat connecting plate; 23. a lead plug; 24. magnetic steel; 25. a reed switch; 26. a gear cavity seal ring; 27. a connecting plate sealing ring; 28. a valve seat sealing ring; 29. a first gear shaft; 30. a second gear shaft; 31. a third gear shaft; 32. a first screw; 33. a second screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: an intelligent gas meter instant-closing motor valve comprises a middle plate 1, a driving tooth 2, a first speed reduction tooth 3, a plate penetrating tooth 4, a ratchet tooth 5, a second speed reduction tooth 6, a rack 7, a ratchet sheet 8, a ratchet seat 9, a ratchet seat cover 10, a positioning plate 11, a motor 12, a motor cavity cover 13, a ratchet sheet spring 14, a rack spring 15, a shaft seal 16, a shaft seal cover 17, a rack cavity cover 18, a seal plug 19, a plug framework 20, a valve seat 21, a valve seat connecting plate 22, a lead plug 23, magnetic steel 24, a reed pipe 25, a gear cavity seal ring 26, a connecting plate seal ring 27, a valve seat seal ring 28, a first gear shaft 29, a second gear shaft 30, a third gear shaft 31, a first screw 32 and a second screw 33, wherein a magnetic steel 24 is welded and fixed on the inner wall of one side of the middle plate 1, a ratchet seat 9 is fixedly inserted on the outer wall of one side of the second gear shaft 30, and a lead plug 23 is installed on the outer, a ratchet seat cover 10 is arranged on the outer wall of the top end of the ratchet seat 9, gear cavity sealing rings 26 are fixedly sleeved on the outer walls of two sides of the middle plate 1, the outer wall of the middle plate 1, which is positioned at one side of the gear cavity sealing ring 26, is in contact connection with a rack cavity cover 18, first screws 32 are fixedly distributed on the outer wall of one side of the rack cavity cover 18 in an inserted manner, the other ends of the first screws 32 penetrate through the outer walls of two sides of the middle plate 1, a reed pipe 25 is fixedly welded on the outer wall of the other side of the rack cavity cover 18, the outer wall of the other side of the middle plate 1 is in contact connection with a motor cavity cover 13, the other end of each first screw 32 is inserted inside the motor cavity cover 13, a positioning plate 11 is fixedly welded on the outer wall of one side of the motor cavity cover 13, a motor 12 is connected on the inner wall of one side of the motor cavity cover 13 in a bolted manner, a driving tooth 2, the valve seat 21 is connected with the outer wall of the bottom end of the valve seat connecting plate 22 in a contact manner, the outer wall between the valve seat 21 and the valve seat connecting plate 22 is fixedly sleeved with a valve seat sealing ring 28, the inner wall of the top end of the valve seat 21 is fixedly welded with a plug framework 20, the outer wall of the bottom end of the valve seat connecting plate 22, which is positioned at one side of the plug framework 20, is fixedly sleeved with a connecting plate sealing ring 27, the inner wall of one side of the plug framework 20 is provided with a sealing plug 19, the inner wall of one side of the sealing plug 19 is fixedly sleeved with a shaft sealing cover 17, the outer wall of the top end of the shaft sealing cover 17 is fixedly welded with a shaft seal 16, one side of the shaft seal 16 is inserted into the valve seat connecting plate 22, the outer wall of the top end of the shaft seal 16 is fixedly welded with a rack 7, the outer wall of one side of the rack 7 is, a ratchet sheet 8 is connected to the outer wall of one side of the second deceleration tooth 6 in a meshing manner, a ratchet sheet spring 14 is installed on the outer wall of the bottom end of the ratchet sheet 8, ratchet teeth 5 are connected to the outer wall of the top end of the ratchet sheet 8 in a meshing manner, a third gear shaft 31 is fixedly connected to the outer wall of the middle portion of each ratchet tooth 5, plate penetrating teeth 4 are connected to the outer wall of one side of each ratchet tooth 5 in a meshing manner, first deceleration teeth 3 are connected to the outer wall of one side of each plate penetrating tooth 4 in a meshing manner, and first gear shafts 29 are fixedly connected to the outer wall of the middle; the outer wall of one side of the first decelerating tooth 3 is meshed and connected with the outer wall of one side of the driving tooth 2, so that the structural integrity is ensured; the outer wall of the top end of the valve seat connecting plate 22 is distributed with second screws 33 in a sleeved mode, and the other ends of the second screws 33 are connected to the interior of the valve seat 21 in a threaded mode, so that the valve seat 21 and the valve seat connecting plate 22 are conveniently and fixedly connected; the number of the first screws 32 is four, and the number of the second screws 33 is five, so that the integral installation and fixation of the motor valve are facilitated; the other end of the rack 7 penetrates through the outer walls of the two sides of the valve seat connecting plate 22, and the other end of the rack 7 is inserted into the middle plate 1, so that the structural integrity is ensured; the intelligent gas meter instantly closes the motor valve to firstly electrify and rotate the motor 12, a main shaft of the motor 12 is tightly connected with the driving teeth 2 to enable the driving teeth 2 to rotate, then the driving teeth 2 drive the first speed reduction teeth 3 and the plate penetrating teeth 4, then the plate penetrating teeth 4 penetrate the plate to drive the ratchet teeth 5 to rotate, the ratchet teeth 5 rotate to drive the ratchet seat 9 to rotate to be meshed with the second speed reduction teeth 6, the second speed reduction teeth 6 and the rack 7 are in a meshed state, the rack 7 is driven by the rotation to drive and compress the rack spring 15 to the open valve in place, the sealing plug 19 is connected with the rack 7, the magnetic steel 24 of the rack 7 triggers the peak tube to be attracted to send an in-place signal after the open valve is in place, the reliability and the accuracy of the in-place signal are improved by the peak tube, when the motor 12 rotates reversely, the steps are repeated, the ratchet seat 9 is separated from the second speed reduction teeth 6, and the second speed reduction teeth 6 are not bound by the first speed reduction teeth, the rack spring 15 is instantaneously changed from a compressed state to an expanded state to push the rack 7, so that the sealing plug 19 is connected with the rack 7, and the purpose of instantaneously closing the valve is achieved, if the valve is closed in place, intermittent transmission can be generated by the ratchet teeth 5 and the ratchet sheet 8 continuously, the motor 12 cannot be locked and bitten to damage a gear, moreover, because the ratchet seat 9 rotates by adopting the ratchet teeth 5 and the ratchet sheet spring 14, the valve is opened and closed without being influenced by limited voltage and power-on time, the reliability of the valve cannot be influenced even if the power-on time is prolonged, the valve can be opened and closed for more than 10 ten thousand times in normal use, the working voltage of the valve is DC3.6V, the use of the device can be ensured, the rack 7 and an outer cavity are sealed by adopting the gear cavity sealing ring 26, the action and the sealing can be achieved even if the rubber piece is not deformed at the low temperature, the valve can be, therefore, the application range of the valve is that the using environment temperature is-20-50 ℃, so the valve is suitable for wide gas quality such as natural gas, liquefied gas, petroleum gas and the like, the valve adopts a modular design, the gas flow of G2.5 base table top 4m plantation/h is selected, the assembly is simple, the universality is wide, and the valve is suitable for various base tables.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An intelligent gas meter instant-closing motor valve comprises a middle plate (1), a driving tooth (2), a first speed reduction tooth (3), a plate penetrating tooth (4), a ratchet tooth (5), a second speed reduction tooth (6), a rack (7), a ratchet sheet (8), a ratchet seat (9), a ratchet seat cover (10), a positioning plate (11), a motor (12), a motor cavity cover (13), a ratchet sheet spring (14), a rack spring (15), a shaft seal (16), a shaft seal cover (17), a rack cavity cover (18), a sealing plug (19), a plug framework (20), a valve seat (21), a valve seat connecting plate (22), a lead plug (23), magnetic steel (24), a reed pipe (25), a gear cavity sealing ring (26), a connecting plate sealing ring (27), a valve seat sealing ring (28), a first gear shaft (29), a second gear shaft (30), a third gear shaft (31), a first screw (32) and a second screw (33), the method is characterized in that: a magnetic steel (24) is fixedly welded on the inner wall of one side of the middle plate (1), a ratchet seat (9) is fixedly inserted on the outer wall of one side of the second gear shaft (30), a lead plug (23) is installed on the outer wall of one side of the ratchet seat (9), a ratchet seat cover (10) is installed on the outer wall of the top end of the ratchet seat (9), gear cavity sealing rings (26) are fixedly sleeved on the outer walls of the two sides of the middle plate (1), a rack cavity cover (18) is connected on the outer wall of one side of the gear cavity sealing ring (26) in a contact manner, first screws (32) are fixedly distributed on the outer wall of one side of the rack cavity cover (18) in an insertion manner, the other ends of the first screws (32) penetrate through the outer walls of the two sides of the middle plate (1), a reed pipe (25) is fixedly welded on the outer wall of the other side of the rack cavity cover (18), and a motor cavity cover (13) is connected on the outer wall of the other side, the other end of the first screw (32) is inserted into the motor cavity cover (13), a positioning plate (11) is fixedly welded on the outer wall of one side of the motor cavity cover (13), a motor (12) is connected on the inner wall of one side of the motor cavity cover (13) through a bolt, a driving tooth (2) is rotatably connected on the inner wall of one side of the motor (12) of the motor cavity cover (13), a valve seat connecting plate (22) is placed and connected on the outer wall of the bottom end of the middle plate (1), a valve seat (21) is connected on the outer wall of the bottom end of the valve seat connecting plate (22) in a contact manner, a valve seat sealing ring (28) is fixedly sleeved on the outer wall between the valve seat (21) and the valve seat connecting plate (22), a plug framework (20) is fixedly welded on the inner wall of the top end of the valve seat (21), and a connecting plate sealing ring (27) is fixedly sleeved on the, a sealing plug (19) is mounted on the inner wall of one side of the plug framework (20), a shaft sealing cover (17) is fixedly sleeved on the inner wall of one side of the sealing plug (19), a shaft seal (16) is fixedly welded on the outer wall of the top end of the shaft sealing cover (17), one side of the shaft seal (16) is inserted into the valve seat connecting plate (22), a rack (7) is fixedly welded on the outer wall of the top end of the shaft seal (16), a rack spring (15) is fixedly sleeved on the outer wall of one side of the rack (7), a second reduction gear (6) is rotatably connected on the outer wall of the top end of one side of the rack (7), a second gear shaft (30) is fixedly welded on the outer wall of one side of the second reduction gear (6), a ratchet sheet (8) is connected on the outer wall of one side of the second reduction gear (6) in a meshing manner, and a ratchet sheet spring (14) is mounted on the, ratchet teeth (5) are connected to the outer wall of the top end of the ratchet piece (8) in a meshed mode, a third gear shaft (31) is fixedly connected to the outer wall of the middle of the ratchet teeth (5), plate penetrating teeth (4) are connected to the outer wall of one side of the ratchet teeth (5) in a meshed mode, first speed reduction teeth (3) are connected to the outer wall of one side of the plate penetrating teeth (4) in a meshed mode, and first gear shafts (29) are fixedly connected to the outer wall of the middle of the first speed reduction teeth (3).

2. The intelligent gas meter instant-closing motor valve according to claim 1, characterized in that: the outer wall of one side of the first speed reduction tooth (3) is meshed and connected to the outer wall of one side of the driving tooth (2).

3. The intelligent gas meter instant-closing motor valve according to claim 1, characterized in that: the outer wall of the top end of the valve seat connecting plate (22) is fixedly provided with a second screw (33) in a sleeved mode, and the other end of the second screw (33) is connected to the inside of the valve seat (21) in a threaded mode.

4. The intelligent gas meter instant-closing motor valve according to claim 1, characterized in that: the number of the first screws (32) is four, and the number of the second screws (33) is five.

5. The intelligent gas meter instant-closing motor valve according to claim 1, characterized in that: the other end of the rack (7) penetrates through the outer walls of the two sides of the valve seat connecting plate (22), and the other end of the rack (7) is inserted into the middle plate (1).