CN208478235U - Baffle-type flow switch - Google Patents

Abstract

The utility model discloses baffle-type flow switches, including handwheel, strut and bolt, the top end surface convex block of the handwheel, and connecting rod is fixed with below handwheel, the bottom end of the strut is provided with screw thread, and strut is located at the lower section of connecting rod, the screw thread is externally-arranged with fixed block, and the bottom end surface of fixed block is fitted with gasket, shell is fixed with below the fixed block, and ring flange is provided on the left of shell, the housing exterior surface is fixed with snap ring, and shell is internally provided with isolation board, the outer surface of the isolation board is fitted with corrosion-resistant coating, the bottom end of the bolt is connected with nut, and bolt is located at the top of isolation board, the left end surface of the ring flange is provided with mounting hole, and strainer is installed below mounting hole, the top end surface of the fixed block is provided with monitoring module.The baffle-type flow switch is easy to use, and good seal performance, sound construction is easily installed, and long service life.

Description

Baffle-type flow switch

Technical field

The utility model relates to flow switch technical fields, specially baffle-type flow switch.

Background technique

Flow switch online or plug-in type installation mainly in the medium pipelines such as water, gas or oil monitors water in water system The size of flow, when water flow is higher or lower than some set point, triggering output alarm signal passes to unit, is System can make corresponding instruction movement after obtaining signal, avoid or reduce host " dry combustion method ".However existing flow switch is not It is easy to use, needs to expend more energy when flow is adjusted, more troublesome, poor sealing performance is easy to happen leak The case where, waste is caused to resource, overall structure is not secured enough, is not easy to install, and the time that when installation is expended is more, and makes It is short with the service life, for this purpose, it is proposed that a kind of easy to use, good seal performance, sound construction is easily installed, and long service life Flow switch.

Utility model content

The purpose of this utility model is to provide baffle-type flow switches, mentioned above in the background art existing to solve Flow switch be not convenient to use, need to expend more energy when flow is adjusted, more troublesome, poor sealing performance, The case where being easy to happen leak causes waste to resource, and overall structure is not secured enough, is not easy to install, what when installation was expended Time is more, and the problem that service life is short.

To achieve the above object, the utility model provides the following technical solutions: baffle-type flow switch, including handwheel, branch Bar and bolt, the top end surface convex block of the handwheel, and connecting rod is fixed with below handwheel, the bottom end of the strut is provided with Screw thread, and strut is located at the lower section of connecting rod, the screw thread is externally-arranged with fixed block, and the bottom end surface fitting of fixed block There is gasket, shell is fixed with below the fixed block, and be provided with ring flange on the left of shell, the housing exterior surface It is fixed with snap ring, and shell is internally provided with isolation board, the outer surface of the isolation board is fitted with corrosion-resistant coating, the spiral shell The bottom end of bolt is connected with nut, and bolt is located at the top of isolation board, and the left end surface of the ring flange is provided with mounting hole, and Strainer is installed, the top end surface of the fixed block is provided with monitoring module below mounting hole.

Preferably, the handwheel constitutes uneven structure by convex block, and is welding between handwheel and connecting rod, and Handwheel is fixedly connected by connecting rod with strut.

Preferably, the strut is connected by screw thread with fixed block, and vertical between strut and fixed block, and shell Sealing structure is constituted by gasket and fixed block.

Preferably, the strut is fixedly connected by the cooperation between screw bolt and nut with isolation board, and isolation board passes through Rotational structure is constituted between cooperation and fixed block between strut and screw thread.

Preferably, the length of the isolation board vertical direction is less than the length that housing vertical is put, and the outside of isolation board The interior surface of surface and corrosion-resistant coating fits closely.

Preferably, between the mounting hole about the center of circle annular spread of ring flange, and size between strainer and ring flange It matches.

Compared with prior art, the utility model has the beneficial effects that the baffle-type flow switch is easy to use, leakproofness Can be good, sound construction is easily installed, and long service life, and wherein convex block improves the frictional force of handwheel, so that handwheel be made more to hold It easily holds, contributes convenient for user to handwheel, to make the more convenient to use of switch, saved institute when switch is adjusted The energy of consuming, screw thread rotates strut in the inside of fixed block, so that switch be adjusted, gasket is promoted The leakproofness of switch, it is therefore prevented that the water of switch internal passes through the gap connected between fixed block and shell and leaks out, and avoids money The waste in source, strut drive isolation board to be rotated by bolt, so that the streamflow to switch controls, nut is improved The fastness connected between strut and isolation board, it is therefore prevented that bolt falling causes to switch the case where can not work normally, anticorrosion Layer, which can be effectively prevented isolation board and be corroded to generate when encountering corrosive deposit, to be ruptured, and touches corrosive deposit in isolation board When, corrosion-resistant coating can effectively open corrosive deposit isolation, the surface strength of isolation board be improved, to improve switch Service life, save spent overhead when to switch replacement, by ring flange and mounting hole will switch with it is suitable Pipeline be attached, flanged joint has the characteristics that convenient disassembly, intensity be high, good seal performance, simplifies the dismounting of switch Process has been saved split spent time and efforts when putting row installation into, while having been improved between switch and suitable pipeline The fastness of connection.

Detailed description of the invention

Fig. 1 is the utility model schematic view of the front view；

Fig. 2 is the utility model flange plate structure schematic diagram；

Fig. 3 is enlarged structure schematic diagram at the utility model A.

In figure: 1, handwheel；2, convex block；3, connecting rod；4, strut；5, screw thread；6, fixed block；7, gasket；8, shell；9, Ring flange；10, snap ring；11, isolation board；12, corrosion-resistant coating；13, bolt；14, nut；15, mounting hole；16, strainer；17, it supervises Control module.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: baffle-type flow switch, including handwheel 1, strut 4 With bolt 13, the top end surface convex block 2 of handwheel 1, and the lower section of handwheel 1 is fixed with connecting rod 3, and the bottom end of strut 4 is provided with spiral shell Line 5, and strut 4 is located at the lower section of connecting rod 3, handwheel 1 constitutes uneven structure, and handwheel 1 and connecting rod 3 by convex block 2 Between for welding, and handwheel 1 is fixedly connected by connecting rod 3 with strut 4, and convex block 2 improves the frictional force of handwheel 1, thus Make handwheel 1 be easier to hold, contribute convenient for user to handwheel 1, to make the more convenient to use of switch, has saved to switch Spent energy when being adjusted, screw thread 5 is externally-arranged with fixed block 6, and the bottom end surface of fixed block 6 is fitted with sealing Pad 7, the lower section of fixed block 6 is fixed with shell 8, and the left side of shell 8 is provided with ring flange 9, and strut 4 is by screw thread 5 and fixes Block 6 is connected, and vertical between strut 4 and fixed block 6, and shell 8 constitutes sealing structure by gasket 7 and fixed block 6, Screw thread 5 rotates strut 4 in the inside of fixed block 6, so that switch be adjusted, gasket 7 improves switch Leakproofness, it is therefore prevented that the water of switch internal passes through the gap that connects between fixed block 6 and shell 8 and leaks out, and avoids resource Waste, 8 outer surface of shell be fixed with snap ring 10, and shell 8 is internally provided with isolation board 11, the outer surface of isolation board 11 It is fitted with corrosion-resistant coating 12, the bottom end of bolt 13 is connected with nut 14, and bolt 13 is located at the top of isolation board 11, and strut 4 is logical The cooperation crossed between bolt 13 and nut 14 is fixedly connected with isolation board 11, and isolation board 11 passes through between strut 4 and screw thread 5 Rotational structure is constituted between cooperation and fixed block 6, strut 4 drives isolation board 11 to be rotated by bolt 13, thus to switch Streamflow controlled, nut 14 improves the fastness connected between strut 4 and isolation board 11, it is therefore prevented that bolt 13 is de- The case where falling, switch is caused to can not work normally, the length of 11 vertical direction of isolation board are less than the length that shell 8 is put vertically, And the outer surface of isolation board 11 and the interior surface of corrosion-resistant coating 12 fit closely, corrosion-resistant coating 12 can be effectively prevented every It is corroded from plate 11 when encountering corrosive deposit and generates rupture, when isolation board 11 touches corrosive deposit, corrosion-resistant coating 12 is all Effectively corrosive deposit isolation can be opened, improve the surface strength of isolation board 11, so that the service life of switch is improved, Spent overhead when saving to switch replacement, the left end surface of ring flange 9 is provided with mounting hole 15, and mounting hole 15 Lower section strainer 16 is installed, the center of circle annular spread between mounting hole 15 about ring flange 9, and strainer 16 and ring flange 9 it Between size match, will be switched by ring flange 9 and mounting hole 15 and be attached with suitable pipeline, flanged joint, which has, to be dismantled Conveniently, the characteristics of intensity height, good seal performance, the disassembly process of switch is simplified, split put into when row is installed has been saved and has been consumed The time and efforts taken, while the fastness connected between switch and suitable pipeline is improved, the top end surface of fixed block 6 is set It is equipped with monitoring module 17.

Working principle: completion is connect by switching group first for this kind of flow switch, then will switch and close by ring flange 9 Suitable pipeline is attached, and flanged joint has the characteristics that convenient disassembly, intensity height, good seal performance, simplifies tearing open for switch Dress process has saved split spent time and efforts when putting row installation into, and 16 pairs of the strainer water for flowing into switch are filtered, Isolation board 11 obstructs water, by rotating handwheel 1, makes handwheel 1 drive strut 4 to be rotated by connecting rod 3, strut 4 Isolation board 11 is driven to be rotated by bolt 13, so that the streamflow to switch controls, convex block 2 improves handwheel 1 Frictional force contributes to handwheel 1 convenient for user so that handwheel 1 be made to be easier to hold, thus make the more convenient to use of switch, Energy spent when switch is adjusted is saved, corrosion-resistant coating 12 provides protective effect to isolation board 11, monitors mould Water in 17 pairs of block switches is monitored, and can export alarm signal when water flow is higher or lower than some set point, Implement corresponding solution further according to situation, completes the use process of entire flow switch like this.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. baffle-type flow switch, including handwheel (1), strut (4) and bolt (13), it is characterised in that: the top of the handwheel (1) End surfaces have convex block (2), and connecting rod (3) are fixed with below handwheel (1), and the bottom end of the strut (4) is provided with screw thread (5), and strut (4) is located at the lower section of connecting rod (3), and the screw thread (5) is externally-arranged with fixed block (6), and fixed block (6) Bottom end surface be fitted with gasket (7), be fixed with shell (8) below the fixed block (6), and set on the left of shell (8) It is equipped with ring flange (9), shell (8) outer surface is fixed with snap ring (10), and shell (8) is internally provided with isolation board (11), the outer surface of the isolation board (11) is fitted with corrosion-resistant coating (12), and the bottom end of the bolt (13) is connected with nut (14), and bolt (13) is located at the top of isolation board (11), and the left end surface of the ring flange (9) is provided with mounting hole (15), And strainer (16) are installed below mounting hole (15), the top end surface of the fixed block (6) is provided with monitoring module (17).

2. baffle-type flow switch according to claim 1, it is characterised in that: the handwheel (1) is made up of convex block (2) Uneven structure, and be welding between handwheel (1) and connecting rod (3), and handwheel (1) passes through connecting rod (3) and strut (4) It is fixedly connected.

3. baffle-type flow switch according to claim 1, it is characterised in that: the strut (4) passes through screw thread (5) and solid Determine block (6) to be connected, and vertical between strut (4) and fixed block (6), and shell (8) passes through gasket (7) and fixed block (6) sealing structure is constituted.

4. baffle-type flow switch according to claim 1, it is characterised in that: the strut (4) by bolt (13) and Cooperation between nut (14) is fixedly connected with isolation board (11), and isolation board (11) passes through between strut (4) and screw thread (5) Rotational structure is constituted between cooperation and fixed block (6).

5. baffle-type flow switch according to claim 1, it is characterised in that: the length of isolation board (11) vertical direction Degree is less than the length that shell (8) are put vertically, and the outer surface of isolation board (11) and the interior surface of corrosion-resistant coating (12) are tight Closely connected conjunction.

6. baffle-type flow switch according to claim 1, it is characterised in that: about method between the mounting hole (15) The center of circle annular spread of blue disk (9), and size matches between strainer (16) and ring flange (9).