CN215726194U

CN215726194U - Internal anti-drop support of flow sensor

Info

Publication number: CN215726194U
Application number: CN202121236678.1U
Authority: CN
Inventors: 苑宝良
Original assignee: Tianjin Kaishida Instrument Co ltd
Current assignee: Tianjin Kaishida Instrument Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-02-01
Anticipated expiration: 2031-06-03

Abstract

The utility model provides an anti-falling support inside a flow sensor. Inside anti-drop support of flow sensor includes: the water flow sensor comprises a rectangular water through sleeve, two circular tubes, a turbine shell and two support plates, wherein the rectangular water through sleeve, the two circular tubes, the turbine shell and the two support plates are arranged on the water flow sensor; the four positioning grooves are formed in the two sides of the turbine shell; the four positioning blocks are respectively arranged in the four positioning grooves, and the two corresponding positioning blocks are fixedly connected with the corresponding support plates; and the two pulling and connecting mechanisms are respectively arranged on the two circular tubes. The anti-falling support inside the flow sensor provided by the utility model has the advantages that the turbine assembly can be reliably clamped and positioned, and the adverse effect on flow monitoring is reduced.

Description

Internal anti-drop support of flow sensor

Technical Field

The utility model relates to the technical field of flow sensors, in particular to an anti-drop support inside a flow sensor.

Background

The water flow sensor mainly comprises a copper valve body, a water flow rotor component, a current stabilizing component and a Hall element. It is installed at the water inlet end of the water heater and is used for measuring the water inlet flow. As water flows through the rotor assembly, the magnetic rotor rotates and the rotational speed varies linearly with the flow rate. The Hall element outputs corresponding pulse signals to be fed back to the controller, the controller judges the water flow, and the current of the proportional valve is adjusted and controlled, so that the gas flow is controlled through the proportional valve, and the phenomenon that the gas water heater is warm in summer and cool in winter is avoided in the using process.

However, the water flow rotor assembly located inside the water flow sensor can also be called as a turbine assembly, the assembly is generally clamped in the sensor through the clamping ring, and other clamping positioning assemblies are not arranged, so that the turbine assembly is easy to deviate and rotate due to water flow thrust, and then drops from the original position, and adverse effects are brought to normal flow monitoring work.

Therefore, it is necessary to provide an anti-drop bracket inside the flow sensor to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide the anti-falling support inside the flow sensor, which can reliably clamp and position the turbine assembly and reduce adverse effects on flow monitoring.

In order to solve the above technical problem, the present invention provides an anti-drop bracket inside a flow sensor, including: the water flow sensor comprises a rectangular water through sleeve, two circular tubes, a turbine shell and two support plates, wherein the rectangular water through sleeve, the two circular tubes, the turbine shell and the two support plates are arranged on the water flow sensor; the four positioning grooves are formed in the two sides of the turbine shell; the four positioning blocks are respectively arranged in the four positioning grooves, and the two corresponding positioning blocks are fixedly connected with the corresponding support plates; and the two pulling and connecting mechanisms are respectively arranged on the two circular tubes.

Preferably, the pulling mechanism comprises two wall grooves, two face grooves, two sliding plates, two supporting rods, two sliding rods, two pressure springs and two handles, wherein the two wall grooves are formed in the inner wall of the round pipe, the two face grooves are formed in one side of the round pipe, the two sliding plates are respectively provided with the two inner walls, far away from each other, of the wall grooves, the two sides, close to each other, of the sliding plates extend into the round pipe, the two supporting rods are fixedly arranged on the corresponding sliding plates and fixedly connected with the corresponding supporting rods, the two sliding rods are respectively fixedly arranged on the two sliding plates, one ends of the two sliding rods extend into the two face grooves respectively, and the two sliding rods are respectively connected with the corresponding inner walls, close to the corresponding face grooves, of the wall grooves in a sliding manner, the two pressure springs are respectively sleeved on the two sliding connection rods, the two handles are respectively arranged in the two surface grooves, and the two sliding connection rods are respectively in rotating connection with the two handles.

Preferably, one end of the pressure spring is fixedly connected with the sliding plate, and the other end of the pressure spring is fixedly connected with the inner wall of the wall groove at the side far away from the rectangular water through sleeve.

Preferably, the support plate is of a rectangular frame configuration.

Preferably, two inner chambers have been seted up on the water jacket is led to the rectangle, two equal slidable mounting has the clamp plate on the both sides inner wall of inner chamber, the bottom fixed mounting of clamp plate has two tight springs, two the bottom of tight spring all with the bottom inner wall fixed connection of inner chamber, rotate on the clamp plate and install the bolt, the top of bolt extends to the water jacket is led to the rectangle top and fixed mounting have the twisting head, the bolt with the top inner wall threaded connection of inner chamber, just the bottom of bolt with the bottom inner wall swing joint of inner chamber and with turbine shell contacts.

Preferably, a movable hole is formed in the inner wall of the bottom of the inner cavity, and the bolt penetrates through the movable hole and is movably connected with the inner wall of the movable hole.

Preferably, the top of the screwing head is provided with an inner hexagonal groove.

Compared with the related art, the internal anti-falling bracket of the flow sensor provided by the utility model has the following beneficial effects:

the utility model provides an anti-falling support in a flow sensor, which is characterized in that four positioning blocks which are uniformly distributed are arranged, and are matched with positioning grooves in a clamping manner, so that a turbine shell can be reliably positioned at a specified position on one hand, the turbine shell cannot deviate and rotate or fall off, and on the other hand, the turbine shell can be directly fixed at the right center position, therefore, the normal use of the water flow sensor is convenient, and the adverse effect on the water flow sensor is reduced.

Drawings

Fig. 1 is a schematic front view of a first embodiment of an anti-drop bracket inside a flow sensor provided by the utility model;

FIG. 2 is an enlarged schematic view of portion A shown in FIG. 1;

FIG. 3 is a schematic front view of a second embodiment of an anti-drop bracket inside a flow sensor provided by the utility model;

fig. 4 is an enlarged schematic view of a portion B shown in fig. 3.

Reference numbers in the figures: 1. a water flow sensor; 2. a rectangular water through jacket; 3. a circular tube; 4. a turbine housing; 5. A mounting plate; 6. positioning a groove; 7. positioning blocks; 8. a wall groove; 9. a surface groove; 10. a slide plate; 11. a support rod; 12. a sliding connection rod; 13. a pressure spring; 14. a grip; 15. an inner cavity; 16. pressing a plate; 17. tightening a spring; 18. A bolt; 19. and (5) screwing the head.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

First embodiment

Referring to fig. 1-2, in a first embodiment of the present invention, an anti-drop bracket inside a flow sensor includes: the water flow sensor comprises a rectangular water through sleeve 2, two circular tubes 3, a turbine shell 4 and two support plates 5 which are arranged on a water flow sensor 1, wherein the two support plates 5 are respectively positioned at two sides of the turbine shell 4, the support plates 5 are in a rectangular frame structure, and the middle space can meet the normal passing of water without influencing the flow; the four positioning grooves 6 are formed in the two sides of the turbine shell 4; the four positioning blocks 7 are respectively arranged in the four positioning grooves 6, the two corresponding positioning blocks 7 are fixedly connected with the corresponding support plate 5, two positioning grooves 6 are combined into one group, and the two groups are respectively arranged on two sides of the turbine shell 4, so that the positioning blocks 7 can be clamped with the corresponding positioning blocks 7, and the turbine shell 4 can be reliably clamped; and the two pulling and connecting mechanisms are respectively arranged on the two circular tubes 3.

The pulling and connecting mechanism comprises two wall grooves 8, two face grooves 9, two sliding plates 10, two supporting and connecting rods 11, two sliding and connecting rods 12, two pressure springs 13 and two handles 14, wherein the two wall grooves 8 are formed in the inner wall of the circular tube 3, the two face grooves 9 are formed in one side of the circular tube 3, the two sliding plates 10 are respectively and slidably mounted on the inner wall of the side, away from each other, of the wall grooves 8, the side, close to each other, of the two sliding plates 10 extends into the circular tube 3, the two supporting and connecting rods 11 are respectively and fixedly mounted on the corresponding sliding plates 10, the two supporting and connecting rods 11 are respectively and fixedly connected with the corresponding support plates 5, the sliding plates 10 are fixedly connected with the support plates 5 through the supporting and connecting rods 11, the two sliding and connecting rods 12 are respectively and fixedly mounted on the two sliding plates 10, one ends of the two sliding and connecting rods 12 respectively extend into the two face grooves 9, the two sliding rods 12 are slidably connected with the corresponding inner wall of one side of the wall groove 8 close to the corresponding face groove 9, the sliding rods 12 are arranged to easily drive the sliding plate 10 to horizontally move, the two pressure springs 13 are respectively sleeved on the two sliding rods 12, the pressure springs 13 can provide a compacting pressure for the sliding plate 10, indirectly enable the positioning block 7 to be reliably inserted into the positioning groove 6, the two handles 14 are respectively arranged in the two face grooves 9, the two sliding rods 12 are respectively rotatably connected with the two handles 14, the handles 14 can facilitate people to pull the sliding rods 12 on one hand and form a rotating relation with resistance with the sliding rods 12 through damping bearings on the other hand, so that the handles 14 can rotate at a certain angle after being pulled out of the face grooves 9 and can be contacted with the side edge of the circular tube 3, and the support plate 5 can be temporarily clamped, and will not rebound.

One end of the pressure spring 13 is fixedly connected with the sliding plate 10, the other end of the pressure spring 13 is fixedly connected with the inner wall of one side of the wall groove 8 far away from the rectangular water through sleeve 2, and the pressure spring 13 is sleeved between the sliding plate 10 and the inner wall of one side of the wall groove 8, so that pressing force can be formed on the sliding plate 10.

The support plate 5 is of a rectangular frame construction.

The working principle of the anti-falling support inside the flow sensor provided by the utility model is as follows:

in the normal use of the water flow sensor 1, the pressure spring 13 is in a slightly compressed state, so that the positioning block 7 can be firmly pressed in the positioning grooves 6, and the four positioning grooves 6 are uniformly distributed, so that the turbine shell 4 can be reliably clamped and positioned in the rectangular water through sleeve 2 and cannot rotate along with the thrust of water flow;

when the turbine housing 4 needs to be taken down with the turbine assembly inside the turbine housing 4 at a later stage, only the two handles 14 on one side need to be hooked firstly and pulled outwards, after the handles 14 are pulled to the face groove 9, the two corresponding positioning blocks 7 move out of the corresponding positioning grooves 6 at the moment, the compression range of the pressure spring 13 is deeper, then the handles 14 above are rotated to enable the handles 14 to have an overlapping area with one side edge of the circular tube 3, then the two handles 14 are loosened, the handles 14 above rebound to be in contact with the side edge of the circular tube 3 under the action of the pressure spring 13, so that the two corresponding positioning blocks 7 are limited temporarily, the handles cannot return to the positioning grooves 6, then the other two handles 14 are pulled according to the same mode, the turbine housing 4 loses the clamping of the four positioning blocks 7, and then is taken out.

through four evenly distributed's that set up locating piece 7 to through its and the cooperation of holding between the constant head tank 6, can be with the reliable location of turbine shell 4 in the assigned position on the one hand, make it can not take place the skew and rotate, more can not take place to drop, on the other hand can be with its snap-on in positive central point again, thereby it is convenient to bring for water supply flow sensor 1's normal use, has reduced the harmful effects that cause water flow sensor 1.

Second embodiment:

based on the internal anti-drop support of flow sensor that the first embodiment of this application provided, the second embodiment of this application provides another kind of internal anti-drop support of flow sensor. The second embodiment is merely a preferred way of the first embodiment, and the implementation of the second embodiment does not affect the implementation of the first embodiment alone.

The second embodiment of the present invention will be further described with reference to the drawings and the following description.

Referring to fig. 3-4, the anti-drop support inside the flow sensor further includes two inner cavities 15, the two inner cavities 15 are both disposed on the rectangular water through jacket 2, pressing plates 16 are slidably mounted on the inner walls of the two sides of the two inner cavities 15, two tightening springs 17 are fixedly mounted at the bottom of the pressing plate 16, the setting of the tightening springs 17 can improve the contact stability between the bolts 18 and the turbine housing 4, and can also improve the pre-tightening force of the bolts 18 in a threaded relationship with the inner wall of the top of the inner cavity 15 to prevent the bolts from easily and naturally rotating, the bottom ends of the two tightening springs 17 are fixedly connected with the inner wall of the bottom of the inner cavity 15, the bolts 18 are rotatably mounted on the pressing plate 16, the top ends of the bolts 18 extend to the upper side of the rectangular water through jacket 2 and are fixedly mounted with tightening heads 19, the bolts 18 are in threaded connection with the inner wall of the top of the inner cavity 15, through the screw thread relation of bolt 18 and inner chamber 15 top inner wall to under the slip limit of clamp plate 16, make clamp plate 16 can steady decline, finally form conflict with turbine shell 4, further improve turbine shell 4's anti-drop performance, just the bottom of bolt 18 with inner chamber 15's bottom inner wall swing joint and with turbine shell 4 contacts.

The inner wall of the bottom of the inner cavity 15 is provided with a movable hole, the bolt 18 penetrates through the movable hole and is movably connected with the inner wall of the movable hole, and the bolt 18 can have enough movable space due to the arrangement of the movable hole.

The top of the screwing head 19 is provided with an inner hexagonal groove which is designed in a standard mode and can be matched with a standard inner hexagonal wrench, and people can conveniently rotate the bolt 18.

After the turbine shell 4 is well positioned, an inner hexagonal wrench matched with the inner hexagonal groove can be inserted into the inner hexagonal groove, then the bolt 18 can be driven to rotate by clockwise rotation, at the moment, the pressing plate 16 can gradually descend, so that the bolt 18 is gradually contacted with the turbine shell 4, and the tightening spring 17 is in a compression state until the bolt 18 is contacted with the turbine shell 4, so that a pressing force can be added for fixing the turbine shell 4, and the positioning degree of the turbine shell 4 can be further improved.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an inside anti-drop support of flow sensor which characterized in that includes:

the water flow sensor comprises a rectangular water through sleeve, two circular tubes, a turbine shell and two support plates, wherein the rectangular water through sleeve, the two circular tubes, the turbine shell and the two support plates are arranged on the water flow sensor;

the four positioning grooves are formed in the two sides of the turbine shell;

the four positioning blocks are respectively arranged in the four positioning grooves, and the two corresponding positioning blocks are fixedly connected with the corresponding support plates;

and the two pulling and connecting mechanisms are respectively arranged on the two circular tubes.

2. The internal anti-drop support of flow sensor according to claim 1, wherein said pulling mechanism comprises two wall grooves, two face grooves, two sliding plates, two connecting rods, two sliding rods, two compression springs and two handles, wherein said two wall grooves are formed on the inner wall of said circular tube, said two face grooves are formed on one side of said circular tube, said two sliding plates are respectively slidably mounted on the inner wall of one side of each of said two wall grooves, said one side of each of said two sliding plates close to each other extends into said circular tube, said two connecting rods are respectively fixedly mounted on the corresponding sliding plates, and said two connecting rods are respectively fixedly connected with the corresponding connecting rods, said two sliding rods are respectively fixedly mounted on said two sliding plates, one end of each of said two connecting rods extends into said two face grooves, and the two sliding connection rods are in sliding connection with the corresponding inner wall of one side, close to the corresponding surface groove, of the corresponding wall groove, the two pressure springs are sleeved on the two sliding connection rods respectively, the two handles are arranged in the two surface grooves respectively, and the two sliding connection rods are in rotating connection with the two handles respectively.

3. The internal anti-drop support of the flow sensor according to claim 2, wherein one end of the pressure spring is fixedly connected to the sliding plate, and the other end of the pressure spring is fixedly connected to the inner wall of the wall groove on the side away from the rectangular water through sleeve.

4. The flow sensor internal drop-off prevention bracket according to claim 1, wherein the bracket plate has a rectangular frame configuration.

5. The internal anti-drop support of the flow sensor according to claim 1, wherein two inner chambers are provided on the rectangular water jacket, pressing plates are slidably mounted on inner walls of two sides of the two inner chambers, two tightening springs are fixedly mounted at the bottom of the pressing plates, bottom ends of the two tightening springs are fixedly connected with an inner wall of the bottom of the inner chamber, bolts are rotatably mounted on the pressing plates, top ends of the bolts extend to the upper side of the rectangular water jacket and are fixedly provided with screwing heads, the bolts are in threaded connection with the inner wall of the top of the inner chamber, and the bottom ends of the bolts are movably connected with the inner wall of the bottom of the inner chamber and are in contact with the turbine housing.

6. The internal anti-drop support of flow sensor according to claim 5, characterized in that the inner wall of the bottom of the inner chamber is provided with a movable hole, and the bolt passes through the movable hole and is movably connected with the inner wall of the movable hole.

7. The internal anti-drop bracket of the flow sensor according to claim 5, wherein the top of the screw head is provided with an inner hexagonal groove.