CN210800218U - Driving device of sealed valve - Google Patents

Abstract

The utility model discloses a drive arrangement of airtight valve, use in the airtight valve field, solved after the airtight valve has adjusted the opening angle, drive arrangement easily receives external force to rotate, and then changes the technical problem of the opening angle who adjusts, its technical scheme main points are that drive arrangement includes "nearly" font shell, and the shell upper surface is equipped with the transmission shaft hole, pegs graft in the transmission shaft hole and is used for controlling the transmission shaft of airtight valve opening angle, and the shell erects the side surface and is equipped with the chucking groove, imbeds a chucking spare that can butt at the transmission shaft outer peripheral face in the chucking groove; the clamping piece is abutted against the outer peripheral surface of the transmission shaft, so that the transmission shaft is pressed by the clamping piece and cannot rotate, and the driving device is locked.

Description

Driving device of sealed valve

Technical Field

The utility model belongs to the technical field of the technique of airtight valve and specifically relates to a drive arrangement of airtight valve is related to.

Background

At present, the sealed valve is widely used, the flow rate of fluid, the speed of flow rate and the like are determined by controlling the opening size of a through hole of the sealed valve, and the sealed valve is an important component in civil air defense engineering. The closed valve mainly comprises a valve body, a valve plate and a driving device, wherein the driving device is connected with the valve plate through a transmission shaft, and the driving device is used for controlling the opening and the closing of the valve plate of the closed valve.

The utility model discloses a closed valve is disclosed in the utility model that has bulletin number CN201475355U, and this closed valve includes that the valve body constitutes with the valve plate that is located the valve body inside, is equipped with the sealing washer on the valve plate perisporium, makes valve plate and valve body inner wall gomphosis, possess good seal, and the headstock gear who is connected with the valve plate is installed to one side of valve body, and the transmission of headstock gear can make the valve plate take place to rotate to the closure of control closed valve.

The above prior art solutions have the following drawbacks: after the sealing valve is opened, the opening and closing device is easily influenced by external force to change the fluid flow of the sealing valve, so that the normal use of the sealing valve is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drive arrangement of airtight valve, its advantage is equipped with the locking function on the drive arrangement that control airtight valve opened and shut, makes the drive arrangement of airtight valve can not receive external force and rotate easily, guarantees that the fluid flow of airtight valve can control at the requirement within range.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a drive arrangement of airtight valve, includes "nearly" font shell, the shell upper surface is equipped with the transmission shaft hole, and it has the transmission shaft that is used for controlling airtight valve opening angle to peg graft in the transmission shaft hole, the vertical side surface of shell is equipped with the chucking groove, but embedding one butt clamping piece at the transmission shaft outer peripheral face in the chucking groove, and the butt cap of nestification around this end is welded on the end that clamping piece passed the chucking groove.

Through above-mentioned technical scheme, the transmission shaft passes the embedding of transmission shaft hole in the shell, makes the transmission shaft can fix on airtight valve along with the shell, plays the effect of control airtight valve vent size, and the shell has also played certain guard action to the transmission shaft simultaneously, prevents that the transmission shaft from damaging, influences the use of airtight valve. Be equipped with the chucking groove on the vertical side surface of shell, chucking spare has been inlayed in the chucking groove, it can make chucking spare butt on the transmission shaft to rotate chucking spare, exert pressure to the transmission shaft, make the transmission shaft unable rotate, a butt cap of nestification on chucking spare's the end, the area of contact of chucking spare with the transmission shaft has been increased, it can not rotate easily to have guaranteed the transmission shaft, the pressure that the transmission shaft received is controllable, increase pressure makes the tighter of transmission shaft card, the stability of airtight valve has been guaranteed. The thickness of the abutting cap is larger, the clamping piece is not easy to break, and the service life of the driving device is prolonged.

The utility model discloses further set up to: the clamping piece is a screw, and the clamping groove is a thread groove.

Through above-mentioned technical scheme, the stability of chucking spare has been guaranteed to screw and thread groove, makes chucking spare self can not slide, has just also guaranteed that the time of transmission shaft chucking is more of a specified duration, makes drive arrangement need not often inspect, does not need often to rotate chucking spare, has reduced unnecessary work load.

The utility model discloses further set up to: an iron pad is welded on the outer side of the clamping groove, and a through groove for the clamping piece to pass through is formed in the iron pad.

Through above-mentioned technical scheme, lead to the groove and make chucking spare can pass the iron pad and imbed in the chucking groove, the iron pad has increased the thickness of shell indirectly, and wobbling range when reducing the screw rotation makes the terminal butt cap of screw can be with the biggest area of contact butt on the transmission shaft, avoids the screw to rotate the skew anticipated track of in-process, has guaranteed drive arrangement's locking function.

The utility model discloses further set up to: the butt joint cap is in a circular truncated cone shape, and reinforcing grains are arranged on the contact surface of the butt joint cap and the transmission shaft.

Through above-mentioned technical scheme, the butt cap sets up to the round platform shape, has both guaranteed the butt cap can be abundant with the outer peripheral face butt of transmission shaft, also makes the butt cap exert the pressure for the transmission shaft more concentrated, the pressure that the transmission shaft received is big more, the butt cap of round platform shape is not fragile, intensity is bigger. The contact surface of the abutting cap and the transmission shaft is provided with the reinforcing grains, so that the abutting cap can prevent the transmission shaft from rotating, and the clamping function of the driving device is ensured.

The utility model discloses further set up to: the outer peripheral surface of the transmission shaft is a frosted surface.

Through above-mentioned technical scheme, the outer peripheral face of transmission shaft has set to the frosting, and the frosting makes the transmission shaft outer peripheral face present intensive and tiny sand gravel form protruding, has increased the frictional force between transmission shaft outer peripheral face and the butt cap, makes the difficult emergence rotation of transmission shaft.

The utility model discloses further set up to: the utility model discloses a box body space, including the shell, the bottom surface is taken to two vertical side surfaces of shell, the set up of box body space is taken to the right side surface of shell, and the vertical side surface of shell all is equipped with four screw holes with the vertical side surface of isolation shell to with screwed connection, the isolation shell is equipped with the recess with the chucking groove department of corresponding.

Through above-mentioned technical scheme, the isolation shell constitutes a box body space with the shell, makes drive arrangement be difficult to suffer the damage, needs the pivoted part all to paint lubricating oil, has guaranteed that lubricating oil can not flow out outside the box body, makes the lubricating oil rate of utilization improve, saves the cost, also makes drive arrangement clean and tidy. The isolation shell is fixed with the shell through four screw connections, is difficult to be broken apart, has improved drive arrangement's tightness, and recess and chucking groove on the isolation shell correspond, prevent that chucking spare from being blockked at box body space outside by the isolation shell, can't realize the purpose of chucking transmission shaft.

The utility model discloses further set up to: and worm grooves are formed in two vertical side surfaces outside the isolation shell, and a worm capable of driving the transmission shaft to rotate penetrates through the worm grooves.

Through above-mentioned technical scheme, the angle that the airtight valve was opening is being controlled to the last transmission shaft of drive arrangement, and direct rotation transmission shaft is not only hard still be difficult to control the size of airtight valve opening angle, and in order to make airtight valve more accurate, the increase can drive transmission shaft pivoted worm, and the worm makes drive arrangement use more laborsaving, when control airtight valve opening angle, can not lead to the opening angle of unable fine control airtight valve because of required strength is too big, has guaranteed the accuracy of airtight valve.

The utility model discloses further set up to: the worm passes one side end department of isolation shell and is equipped with the locking cap, and a nut nests between locking cap and the isolation shell, and worm other end bottom surface is equipped with the spread groove, imbeds a detachable dwang in the spread groove.

Through the technical scheme, the fixing cap enables the worm not to be separated from the box body space easily, the driving device is guaranteed to normally drive the transmission shaft to rotate, the nut is embedded between the fixing cap and the isolation shell, the worm does not slide when the end, provided with the fixing cap, of the worm is thrust, and the stability is higher. The other end of the worm is connected with a detachable rotating rod, and the length of the power arm is increased according to the lever principle, so that the driving device is more labor-saving and convenient to use.

The utility model discloses further set up to: the spread groove outer wall is equipped with two fixed slots that have the screw, dwang one side end department is equipped with the spacing groove, embedding screw in spacing groove and the fixed slot, and dwang opposite side end department is equipped with the handle.

Through above-mentioned technical scheme, the handle makes drive arrangement more convenient to use, rotates more laborsavingly. The rotating rod is connected with the worm through the screw, so that the worm can be driven to synchronously rotate when the rotating rod rotates, and the rotating rod is easy to replace and disassemble.

The utility model discloses further set up to: and a rectangular iron sheet which can be abutted against the shell is arranged between the nut embedded in the worm and the isolation shell.

Through the technical scheme, the rectangular iron sheet plays a limiting role in the worm, so that the worm cannot slide easily, the rectangular iron sheet is abutted against the edge of the shell, part of the tensile force applied to the worm is distributed on the shell, the integral structure of the driving device is more stable, and meanwhile, the gap between the nut and the isolation shell is reduced.

To sum up, the utility model discloses a beneficial technological effect does:

1. the driving device is added with a locking function, so that the closed valve can better control the value of the fluid flow;

2. the clamping piece has better locking effect on the transmission shaft, and the locking time effect is longer;

3. the driving device is more labor-saving in use and more accurate in control of the closed valve.

Drawings

FIG. 1 is a schematic view of the overall structure of embodiment 1;

FIG. 2 is an exploded view of the relevant parts of the housing of example 1;

FIG. 3 is a schematic view of the internal structure of the cartridge body space of embodiment 1;

FIG. 4 is a sectional view of embodiment 1;

FIG. 5 is a schematic structural view of a separator in example 1;

FIG. 6 is an explosion view of the worm related parts of embodiment 1;

fig. 7 is an exploded view of the relevant parts of the housing of example 2.

Description of the drawings, 1, housing; 110. a transmission shaft hole; 120. a drive shaft; 121. an iron ring; 130. a clamping groove; 2. an insulating shell; 210. screw holes; 230. a groove; 240. a worm groove; 3. a retainer; 310. a butt cap; 4. an iron pad; 410. a through groove; 5. a worm; 510. a fixing cap; 520. a nut; 530. connecting grooves; 531. fixing grooves; 6. rotating the rod; 610. a limiting groove; 620. a handle; 7. a rectangular iron sheet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1:

referring to fig. 1 and 2, for the utility model discloses a drive arrangement of airtight valve, including "nearly" font shell 1, the horizontal upper surface of shell 1 is equipped with drive shaft hole 110, imbeds a rotatable transmission shaft 120 in drive shaft hole 110, and this transmission shaft 120 plays the effect of the angle that the airtight valve vent was opened of control. Referring to fig. 2, a threaded clamping groove 130 is formed in the vertical side surface of the housing 1, an iron pad 4 is welded to the outer side of the clamping groove 130, a through groove 410 coaxial with the clamping groove 130 is formed in the iron pad 4, a clamping member 3 is arranged on the housing 1 shaped like a Chinese character ji, and the clamping member 3 penetrates through the through groove 410 and the clamping groove 130 and is embedded into the inner side of the housing 1.

Referring to fig. 3, the clamping member 3 is embedded in one end head of the inner side of the housing 1, an abutting cap 310 is nested in the abutting cap 310, the abutting cap 310 is fixedly welded with the clamping member 3, when the clamping member 3 rotates clockwise, the clamping member 3 brings the abutting cap 310 close to the transmission shaft 120 until the abutting cap 310 abuts against the outer peripheral surface of the transmission shaft 120; when the retainer 3 is turned counterclockwise, the retainer 3 carries the abutment cap 310 away from the drive shaft 120 until the abutment cap 310 abuts against the inner wall of the vertical side surface of the partition case 2. One end of the transmission shaft 120 is welded with a gear-shaped iron ring 121, and the iron ring 121 can drive the transmission shaft 120 to synchronously rotate.

Referring to fig. 3 and 5, the isolating case 2 comprises a square with a bottom surface, worm grooves 240 are formed in two sides of the isolating case 2, a rotatable worm 5 penetrates through the worm grooves 240, the worm 5 abuts against a gear on the iron ring 121, and rotating the worm 5 causes the iron ring 121 to rotate. Two ends of the worm 5 are positioned at the outer side of the isolation shell 2, a rectangular iron sheet 7 is nested at one side, a nut 520 is nested at the outer side of the rectangular iron sheet 7, and a fixing cap 510 is nested at the outer side of the nut 520, so that the worm 5 cannot slide when the other end of the worm 5 is pulled.

Referring to fig. 2, a connecting groove 530 is formed at one end of the worm 5, which is far away from the fixing cap 510, a rotating rod 6 is embedded in the connecting groove 530, a fixing groove 531 is formed on the outer side wall of the connecting groove 530, a limiting groove 610 is formed at one end of the rotating rod 6, which is close to the end, the fixing groove 531 and the limiting groove 610 are coaxial and can be fixed by two bolts, so that the rotating rod 6 can be detachably connected to the worm 5; the other end of the rotating rod 6 is fixedly connected with a handle 620.

Referring to fig. 1, the insulating case 2 may form a box space with the outer case 1, and four screw holes 210 are provided on two vertical side surfaces of the outer case 1 and a side surface of the insulating case 2 abutting against the vertical side surface of the outer case 1, two on each side, symmetrically distributed, and fixedly connected by screws. One side that separates 2 butts on chucking groove 130 of shell is equipped with a recess 230, and this recess 230 can let chucking spare 3 pass and stretch into inside the box body space, so alright drive dwang 6 through handle 620 and rotate in step, and dwang 6 drives worm 5 and rotates in step, and worm 5 passes through butt hoop 121, makes hoop 121 drive transmission shaft 120 rotate, reaches the open big or small purpose of control airtight valve vent.

Example 2:

unlike embodiment 1, the contact cap 310 has a circular truncated cone shape, and the outer peripheral surface of the drive shaft 120 is a frosted surface, as shown in fig. 7.

The implementation principle of the embodiment is as follows: when the vent needs to be opened to the sealed valve, so that the vent forms a certain angle, the handle 620 is rotated, the handle 620 is fixedly connected with the rotating rod 6, and therefore the rotating rod 6 and the handle 620 rotate simultaneously. The rotating lever 6 is fixed in the connecting groove 530 of the worm 5, so that the worm 5 is rotated simultaneously. The worm 5 is abutted to the gear-shaped iron ring 121, the iron ring 121 rotates due to rotation of the worm 5, the iron ring 121 is welded on the transmission shaft 120, and the transmission shaft 120 rotates simultaneously, so that the purpose of controlling the vent angle of the closed valve is achieved.

When the angle has been adjusted, rotating chucking spare 3, chucking spare 3 passes through iron pad 4 and the fixed of chucking groove 130 and recess 230, can only follow horizontal direction rotary motion, consequently chucking spare 3 can not deviate from the anticipated track, chucking spare 3 drives the outer peripheral face motion of butt cap 310 to transmission shaft 120 through threaded chucking groove 130, until butt cap 310 and the contact of transmission shaft 120 outer peripheral face, continue to rotate, increase the pressure of butt cap 310 to transmission shaft 120, make the pressure increase between the two, frictional force increases, and then transmission shaft 120 can not rotate, reach the purpose of locking transmission shaft 120.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a drive arrangement of airtight valve, includes "nearly" font shell (1), shell (1) upper surface is equipped with drive shaft hole (110), and it has transmission shaft (120) that are used for controlling airtight valve opening angle to peg graft in drive shaft hole (110), its characterized in that, shell (1) vertical side surface is equipped with chucking groove (130), but embedding one in chucking groove (130) butt in chucking spare (3) of transmission shaft (120) outer peripheral face, and butt cap (310) of nestification outside this end is welded on chucking spare (3) the end that passes chucking groove (130).

2. The closing valve drive according to claim 1, wherein said gripping member (3) is a screw and said gripping groove (130) is a threaded groove.

3. A driving device for a closing valve according to claim 1 or 2, wherein an iron pad (4) is welded to the outside of the clamping groove (130), and a through groove (410) for the clamping member (3) to pass through is formed on the iron pad (4).

4. The closing valve driving device as recited in claim 1, characterized in that said abutment cap (310) is in the shape of a truncated cone, and a reinforcing thread is provided on the contact surface of said abutment cap (310) and said driving shaft (120).

5. The device for driving the closing valve as recited in claim 1, wherein the outer peripheral surface of the driving shaft (120) is formed as a frosted surface.

6. The driving device of the closing valve according to claim 1, characterized in that a square-shaped isolation shell (2) with a bottom surface is embedded between two vertical side surfaces of the outer shell (1), the isolation shell (2) and the outer shell (1) form a box space, four screw holes (210) are arranged on each of the vertical side surfaces of the outer shell (1) and the isolation shell (2) and are connected by screws, and a groove (230) is arranged at the position of the isolation shell (2) corresponding to the clamping groove (130).

7. The device for driving the closing valve according to claim 6, wherein the other two vertical side surfaces of the isolating shell (2) are provided with worm grooves (240), and a worm (5) for driving the transmission shaft (120) to rotate passes through the worm grooves (240).

8. The sealing valve driving device according to claim 7, wherein a fixing cap (510) is arranged at the end of the worm (5) passing through one side of the isolating shell (2), a nut (520) is embedded between the fixing cap (510) and the isolating shell (2), a connecting groove (530) is arranged at the bottom surface of the other end of the worm (5), and a detachable rotating rod (6) is embedded in the connecting groove (530).

9. The driving device of the airtight valve as recited in claim 8, wherein the outer wall of the connecting groove (530) is provided with two fixing grooves (531) with threads, the end of one side of the rotating rod (6) is provided with a limiting groove (610), screws are embedded into the limiting groove (610) and the fixing groove (531), and the end of the other side of the rotating rod (6) is provided with a handle (620).

10. The drive device for the closing valve according to any of the claims 7 to 9, characterised in that a rectangular iron sheet (7) which can be abutted against the outer casing (1) is arranged between the nut (520) embedded in the worm (5) and the isolating casing (2).

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