CN210128116U - Pressure measuring connector for fire hydrant - Google Patents
Pressure measuring connector for fire hydrant Download PDFInfo
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- CN210128116U CN210128116U CN201920950109.XU CN201920950109U CN210128116U CN 210128116 U CN210128116 U CN 210128116U CN 201920950109 U CN201920950109 U CN 201920950109U CN 210128116 U CN210128116 U CN 210128116U
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- joint main
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Abstract
The utility model relates to a fire-fighting equipment technical field discloses a fire hydrant pressure measurement connects, including connecting the main part, be connected with adjustment mechanism in the joint main part, adjustment mechanism includes the valve rod, disk seat and valve plate, valve rod one end links to each other with the valve plate, the other end rotates with the joint main part and links to each other, fixedly connected with worm wheel on the valve rod, it is connected with the worm with worm wheel matched with to connect the main part internal rotation, the end fixing of worm has control gear, it is connected with the fine setting pole to rotate in the joint main part, the joint main part is worn out to fine setting pole one end, other end fixedly connected with and control gear engaged with fine setting gear, fine setting gear is incomplete gear, fine setting gear includes a fine setting tooth lamella engaged. Through the setting of fine setting gear, operating personnel can feel according to the pause when rotating and judge fine setting pole pivoted number of turns to control the turned angle of valve plate, slow down the valve plate opening speed, protect the joint main part.
Description
Technical Field
The utility model relates to a fire-fighting equipment technical field, in particular to fire hydrant pressure measurement connects.
Background
A pressure measuring joint of the fire hydrant, also known as a water test detection device of a fire hydrant system, a fire detection department is used for measuring the pressure of the fire hydrant system to accurately judge the performance of the fire hydrant system, and the pressure measuring joint is a special device for checking the filled water column of a water gun
Chinese patent with publication number CN208641626U discloses a pressure measuring and water testing device for a fire hydrant system, which comprises a joint main body, a connecting piece, a jaw, a branch pipe, a stop mechanism, a stop valve main body, a pressure gauge, an exhaust valve and an adjusting mechanism, wherein the adjusting mechanism comprises a second valve rod, a handle, a valve seat, a sealing cover and a valve plate. Connect main part one end welding to have the connecting piece, and connecting piece one side end evenly welds has the jack catch, through the setting of jack catch, just the utility model discloses preferred jack catch quantity is four, sets up about centre of a circle symmetry, compares in traditional threaded connection mode, and the device passes through the joint mode, connects fast, and is difficult for damaged, makes device life extension.
When the device is used, the joint main body is connected with the fire hydrant through the clamping jaws, the fire hydrant is opened, the handle is slowly rotated, the valve plate is driven to rotate, and therefore the joint main body is filled with water in the fire hydrant, and static water pressure testing is conducted. After the joint main body is connected with the fire hydrant, the amount of water flowing into the joint main body in the fire hydrant needs to be controlled, and if a large amount of water in the fire hydrant is quickly filled into the joint main body, the joint main body is easily damaged due to the fact that large stamping can be caused in the joint main body. Therefore, the handle needs to be slowly rotated to control the flow of water, but different people can only control the rotating speed of the handle by depending on own experience when rotating the handle, the error is large, the water quantity control is not stable enough, and the joint main body is easy to damage.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a fire hydrant pressure measurement connects has water yield control comparatively stably, connects the not fragile advantage of main part.
The above technical purpose of the present invention can be achieved by the following technical solutions:
the utility model provides a fire hydrant pressure measurement connects, includes and connects the main part, connect and be connected with adjustment mechanism in the main part, adjustment mechanism includes valve rod, disk seat and valve plate, the disk seat is installed in connecting the main part, the valve plate rotates to be connected in the disk seat, valve rod one end links to each other with the valve plate is fixed, and the other end rotates with to connect the main part and links to each other, fixedly connected with worm wheel on the valve rod, connect the main part internal rotation be connected with worm wheel matched with worm, the end fixing of worm has control gear, it is connected with the fine setting pole to rotate in the joint main part, fine setting pole one end is worn out and is connected the main part, other end fixedly connected with and control gear engaged with fine setting gear, fine setting gear is incomplete gear, fine setting gear includes a.
Through adopting above-mentioned technical scheme, connect the main part and be connected the back with the fire hydrant, operating personnel rotates the fine setting pole, and the fine setting pole drives fine setting gear and rotates, because the fine setting gear is incomplete gear, only when fine setting lamella and control gear contact, the fine setting gear just accessible control gear drives the worm and rotates to drive worm wheel and valve rod and rotate, the control valve plate is rotatory. The rotating angle of the valve plate is fixed when the fine adjustment rod rotates for one circle. The operating personnel can be according to fine setting pole pivoted number of turns to valve plate pivoted angle, open the angle promptly and control. And when the fine tuning tooth lamella is not contacted with the control gear, the fine tuning rod is not directly contacted with the worm, the friction force between the fine tuning rod and the worm is small, and the rotation is easy. When the fine adjustment tooth lamella is contacted with the control gear, the friction force is increased, and an operator can obviously feel that the resistance is increased. Therefore, the operator can judge the rotating number of turns of the fine adjustment rod according to the pause feeling during rotation, so as to control the rotating angle of the valve plate. Different operating personnel have rotated the round when rotating the fine-tuning pole, and the valve plate is opened fixed angle, makes things convenient for operating personnel to control the opening angle of valve plate on the one hand, and on the other hand slows down the opening speed of valve plate for the valve plate is slowly stabilized and is opened, and the flow of control rivers reduces the impulsive force of rivers to the joint main part, improves the life who connects the main part.
Furthermore, an adjusting knob which is rotatably connected to the outer wall of the joint main body is fixed at the end part of the fine adjustment rod.
Through adopting above-mentioned technical scheme, operating personnel rotates adjust knob and drives fine setting pole rotation, convenient to use.
Furthermore, the adjusting knob is provided with a locking hole, the joint body is provided with a plurality of fixing holes matched with the locking hole, and the locking hole is internally and slidably connected with a fixing pin.
Through adopting above-mentioned technical scheme, after the valve plate was opened to corresponding angle, operating personnel ran through the locking hole with the fixed pin and inserted in the fixed orifices. The joint main body locks the adjusting knob and the fine adjustment rod to prevent mistaken touch.
Further, a plurality of placing grooves are evenly formed in the outer ring of the fine adjustment gear, the fine adjustment tooth sections are fixed in any one of the placing grooves, and the feeding tooth sections are detachably connected in the rest of the placing grooves.
Through adopting above-mentioned technical scheme, operating personnel can add the tooth lamella that feeds according to the demand, and the fine setting pole rotates the round, the turned angle grow of valve plate. The operating personnel can change the slew velocity of valve plate according to the user demand, adapts to the user demand of different environment.
Furthermore, a positioning hole is formed in the feeding tooth flap, a fixed pin hole communicated with the placing groove is formed in the fine adjustment gear, and a positioning pin inserted into the fixed pin hole penetrates through the positioning hole.
Through adopting above-mentioned technical scheme, it links to each other with the standing groove through the locating pin to feed the tooth lamella, simple structure, easy dismounting.
Furthermore, an inwards concave guide groove is formed in the placing groove, and a guide strip inserted into the guide groove is fixed on the side wall of the feeding tooth flap.
Through adopting above-mentioned technical scheme, in feeding the tooth lamella and inserting the standing groove, the guide strip inserts in the guide way. The guide strip and the guide groove are matched with each other to limit and guide the feeding tooth valve, so that the feeding tooth valve is prevented from being stuck.
Furthermore, a coarse adjustment rod is rotatably connected to the joint main body, a connection gear is fixed to one end, away from the control gear, of the worm, a coarse adjustment gear matched with the connection gear is fixed to the end portion of the coarse adjustment rod, and the coarse adjustment gear is a complete gear.
Through adopting above-mentioned technical scheme, when the water in the joint main part was full of gradually, operating personnel rotated coarse adjustment pole, and the coarse adjustment pole drives the worm through the coarse adjusting gear by a wide margin and rotates to drive the valve plate and rotate by a wide margin, thereby make the valve plate open fast, improve control efficiency.
Further, the diameter of the coarse adjusting gear is larger than that of the connecting gear.
By adopting the technical scheme, the coarse adjustment gear is large in size, and when the coarse rod is rotated, the stroke of the worm is amplified, so that the rotation of the valve plate can be quickly controlled.
To sum up, the utility model discloses following beneficial effect has:
1. through the arrangement of the fine adjustment gear, an operator can judge the number of turns of the fine adjustment rod according to the pause sense during rotation, so that the rotation angle of the valve plate is controlled, the opening speed of the valve plate is reduced, and the joint main body is protected;
2. through the setting of coarse adjustment pole and coarse adjustment gear, the coarse adjustment pole drives the valve plate through the coarse adjustment gear by a wide margin and rotates to make the valve plate open fast, improve control efficiency.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic view showing the connection of the adjusting mechanism to the driving device in the embodiment;
FIG. 3 is a schematic structural view of a fine adjustment gear in the embodiment;
fig. 4 is a schematic view of the connection of the adjusting knob to the joint body in the embodiment.
In the figure, 1, a joint body; 11. a worm gear; 12. a worm; 13. a fixing hole; 14. a fixing pin; 15. a claw; 16. a stop valve; 17. a pressure gauge; 21. a valve stem; 22. a valve seat; 23. a valve plate; 31. a control gear; 32. a fine adjustment rod; 33. fine-tuning the gear; 331. finely adjusting the tooth sections; 332. a wheel disc; 3321. a placement groove; 3322. a pin fixing hole; 3323. a guide groove; 333. feeding the tooth sections; 3331. positioning holes; 3332. a guide strip; 334. positioning pins; 34. adjusting a knob; 341. a locking hole; 41. a rough adjusting rod; 42. a connecting gear; 43. and (4) gear coarse adjustment.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
a pressure measuring connector of a fire hydrant comprises a cylindrical connector main body 1, wherein one end of the connector main body 1 is connected with a clamping jaw 15, and the other end of the connector main body 1 is connected with a stop valve 16. The connector main body 1 is provided with an adjusting structure, and a pressure gauge 17 is arranged between the adjusting structure and the stop valve 16. The joint main body 1 is connected with the fire hydrant through the clamping jaw 15, the fire hydrant is opened, the joint main body 1 is filled with water through the adjusting structure, and the pressure gauge 17 tests the static water pressure in the joint main body 1. Subsequently, the hydrant is closed, and the shutoff valve 16 is opened to discharge the water in the joint body 1.
As shown in fig. 1, the adjustment mechanism includes a valve stem 21, a valve seat 22, and a valve plate 23. The valve seat 22 is installed in the connector main body 1, the valve plate 23 is fixedly connected with the valve rod 21, the valve plate 23 is rotatably connected in the valve seat 22, a gap between the valve plate 23 and the valve seat 22 is adjusted, and water flow is adjusted and controlled.
As shown in fig. 1, one end of the valve rod 21 is fixedly connected with the valve plate 23, the other end is rotatably connected with the joint main body 1, and the joint main body 1 is provided with a driving device which controls the rotation of the valve rod 21.
As shown in fig. 1 and 2, the driving device includes a worm wheel 11, a worm 12, a fine adjustment mechanism, and a coarse adjustment mechanism. The worm wheel 11 is coaxially and fixedly connected with the end part, far away from the valve plate 23, of the valve rod 21, the worm 12 is rotatably connected in the joint main body 1 and meshed with the worm wheel 11, the fine adjustment mechanism and the coarse adjustment mechanism are connected with the worm 12 to drive the worm 12 to rotate, so that the valve rod 21 is controlled to rotate, and the valve plate 23 is opened and closed. The worm wheel 11 and the worm 12 have a self-locking function, and the valve plate 23 is prevented from opening automatically under the action of water pressure.
As shown in fig. 1 and 2, the fine adjustment mechanism includes a fine adjustment lever 32, a fine adjustment gear 33, and a control gear 31. The control gear 31 is coaxially fixed at one end of the worm 12, the fine adjustment rod 32 is rotatably connected with the joint body 1, one end of the fine adjustment rod 32 extends out of the joint body 1, the other end of the fine adjustment rod is coaxially connected with the fine adjustment gear 33, and the fine adjustment gear 33 is meshed with the control gear 31. The fine adjustment rod 32 is rotated, the fine adjustment rod 32 drives the worm 12 to rotate through the fine adjustment gear 33 and the control gear 31, and the control gear 31 is a complete gear.
As shown in fig. 2 and 3, the fine adjustment gear 33 is an incomplete gear, and includes a wheel disc 332, a plurality of placing grooves 3321 are uniformly formed in the circumferential direction of the outer wall of the wheel disc 332, one of the placing grooves 3321 is internally and fixedly connected with the fine adjustment tooth blade 331, and the rest of the placing grooves 3321 are internally and detachably connected with the feeding tooth blade 333. When the fine adjustment lever 32 is rotated, the fine adjustment gear 33 rotates, and when only the fine adjustment lobe 331 is provided on the wheel disc 332, the fine adjustment lobe 331 meshes with the control gear 31, and then the control gear 31 and the worm 12 are driven to rotate. That is, the worm 12 rotates a fixed angle only by one rotation of the fine adjustment lever 32, thereby reducing the opening speed of the valve plate 23. When other feeding tooth vanes 333 are installed on the wheel disc 332, the opening speed of the valve plate 23 can be increased, and an operator can select the feeding tooth vanes according to the use requirement, so that the use is convenient.
As shown in fig. 3, the feed lobe 333 is provided with a positioning hole 3331, the wheel disc 332 is provided with a pin fixing hole 3322 communicating with the placement groove 3321, and the positioning pin 334 inserted into the pin fixing hole 3322 is inserted into the positioning hole 3331. A concave guide groove 3323 is formed in the placement groove 3321, and a guide bar 3332 inserted into the guide groove 3323 is fixed to the side wall of the feed lobe 333. The feed tooth 333 is inserted into the placement groove 3321, the guide bar 3332 is inserted into the guide groove 3323, the pin hole 3322 and the positioning hole 3331 face each other, and the positioning pin 334 is inserted into the pin hole 3322 and the positioning hole 3331, whereby the feed tooth 333 is fixed, and the attachment and detachment are simple.
As shown in fig. 2 and 4, an adjusting knob 34 rotatably connected to the outer wall of the connector body 1 is fixed to an end portion of the fine adjustment lever 32 away from the fine adjustment gear 33, a locking hole 341 is formed in the adjusting knob 34, a plurality of fixing holes 13 matched with the locking hole 341 are formed in the connector body 1, and a fixing pin 14 is slidably connected to the locking hole 341. The operator rotates the adjusting knob 34 to drive the fine adjustment rod 32 to rotate, and the use is convenient. After the valve plate 23 is opened to a corresponding angle, the operator inserts the fixing pin 14 into the fixing hole 13 through the locking hole 341. The joint body 1 locks the adjusting knob 34 and the fine adjustment lever 32 to prevent accidental touch.
Referring to fig. 1 and 2, an operator slowly opens the valve plate 23 through the fine adjustment mechanism, so that the joint body 1 is slowly filled with water flow, the flow rate of the water flow is controlled, and the impact of the water flow on the joint body 1 is reduced. When the water in the joint main body 1 is gradually filled, the valve plate 23 is quickly opened by an operator through the coarse adjustment mechanism, and the working efficiency is improved.
As shown in fig. 1 and 2, the coarse adjustment mechanism includes a coarse adjustment lever 41, a coarse adjustment gear 43, and a connecting gear 42. The connecting gear 42 is fixed on one end of the worm 12 far away from the control gear 31, the coarse adjustment rod 41 is rotatably connected with the joint main body 1, one end of the coarse adjustment rod 41 extends out of the joint main body 1, the other end of the coarse adjustment rod is coaxially and fixedly connected with the coarse adjustment gear 43, the connecting gear 42 is meshed with the coarse adjustment gear 43, the diameter of the coarse adjustment gear 43 is larger than that of the connecting gear 42, and both are complete gears. An operator rotates the coarse adjustment rod 41, and the coarse adjustment rod 41 drives the worm 12 to rotate through the connecting gear 42 and the coarse adjustment gear 43, so that the valve plate 23 is controlled to be rapidly opened.
The specific implementation process comprises the following steps: the operator connects the connector body 1 to the hydrant by means of the jaws 15, closes the stop valve 16 and opens the hydrant. The operator rotates the adjusting knob 34 to control the valve plate 23 to open slowly, the water flow fills the joint body 1 slowly, and then the coarse adjustment rod 41 is rotated to open the valve plate 23 quickly. The pressure gauge 17 tests the static water pressure in the joint body 1.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (8)
1. The utility model provides a fire hydrant pressure measurement connects, includes joint main part (1), be connected with adjustment mechanism on joint main part (1), adjustment mechanism includes valve rod (21), disk seat (22) and valve plate (23), install in joint main part (1) disk seat (22), valve plate (23) are rotated and are connected in disk seat (22), valve rod (21) one end is fixed continuous with valve plate (23), and the other end rotates continuous its characterized in that with joint main part (1): fixedly connected with worm wheel (11) on valve rod (21), connect main part (1) internal rotation be connected with worm wheel (11) matched with worm (12), the end fixing of worm (12) has control gear (31), it is connected with fine setting pole (32) to rotate on connecting main part (1), joint main part (1) is worn out to fine setting pole (32) one end, other end fixedly connected with and control gear (31) engaged with fine setting gear (33), fine setting gear (33) are incomplete gear, fine setting gear (33) include one with control gear (31) engaged with fine setting lobe (331).
2. A fire hydrant pressure tap according to claim 1, wherein: an adjusting knob (34) which is rotatably connected to the outer wall of the joint main body (1) is fixed at the end part of the fine adjustment rod (32).
3. A fire hydrant pressure tap according to claim 2, wherein: the adjusting knob (34) is provided with a locking hole (341), the joint body (1) is provided with a plurality of fixing holes (13) matched with the locking hole (341), and the locking hole (341) is internally and slidably connected with a fixing pin (14).
4. A fire hydrant pressure tap according to claim 1, wherein: a plurality of placing grooves (3321) are uniformly formed in the outer ring of the fine adjustment gear (33), the fine adjustment tooth sections (331) are fixed in any one of the placing grooves (3321), and the feeding tooth sections (333) are detachably connected in the rest of the placing grooves (3321).
5. The hydrant pressure tap according to claim 4, wherein: the feeding tooth petal (333) is provided with a positioning hole (3331), the fine adjustment gear (33) is provided with a positioning pin hole (3322) communicated with the placing groove (3321), and a positioning pin (334) inserted into the positioning pin hole (3322) penetrates through the positioning hole (3331).
6. The hydrant pressure tap according to claim 4, wherein: an inwards concave guide groove (3323) is formed in the placing groove (3321), and a guide strip (3332) inserted into the guide groove (3323) is fixed on the side wall of the feeding tooth petal (333).
7. A fire hydrant pressure tap according to claim 1, wherein: the connector is characterized in that a coarse adjustment rod (41) is connected to the connector body (1) in a rotating mode, a connecting gear (42) is fixed to one end, away from the control gear (31), of the worm (12), a coarse adjustment gear (43) matched with the connecting gear (42) is fixed to the end portion of the coarse adjustment rod (41), and the coarse adjustment gear (43) is a complete gear.
8. The hydrant pressure tap according to claim 7, wherein: the diameter of the coarse adjusting gear (43) is larger than that of the connecting gear (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950109.XU CN210128116U (en) | 2019-06-22 | 2019-06-22 | Pressure measuring connector for fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950109.XU CN210128116U (en) | 2019-06-22 | 2019-06-22 | Pressure measuring connector for fire hydrant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210128116U true CN210128116U (en) | 2020-03-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920950109.XU Active CN210128116U (en) | 2019-06-22 | 2019-06-22 | Pressure measuring connector for fire hydrant |
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| Country | Link |
|---|---|
| CN (1) | CN210128116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576370A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Combined type hydraulic flow control valve |
-
2019
- 2019-06-22 CN CN201920950109.XU patent/CN210128116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576370A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Combined type hydraulic flow control valve |
| CN114576370B (en) * | 2022-03-01 | 2023-01-20 | 江苏菲尔特液压机械有限公司 | Combined hydraulic flow control valve |
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