CN215374089U

CN215374089U - Pointer-free float flowmeter

Info

Publication number: CN215374089U
Application number: CN202121839221.XU
Authority: CN
Inventors: 魏强; 王北光
Original assignee: Beijing Konggang Beiguang Meter Co ltd
Current assignee: Beijing Konggang Beiguang Meter Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2021-12-31
Anticipated expiration: 2031-08-06

Abstract

The application discloses no pointer type float flowmeter belongs to flowmeter technical field, it includes the mounting panel, transmission group and receipt group, be equipped with protection machanism on the mounting panel, protection machanism includes two connecting plates and apron, the equal fixedly connected with fixed plate of one side that transmission group and receipt group kept away from relatively on the mounting panel, two connecting plates are fixed connection respectively in the both ends of apron bottom, the draw-in groove has been seted up to the bottom of connecting plate, the fixed plate can be pegged graft with the draw-in groove and cooperate, be equipped with the fixed subassembly that the multiunit was used for fixing the connecting plate on the fixed plate. The float flowmeter has the advantages that the possibility that water in the external environment splashes to the infrared transmitter and the infrared receiver is reduced, and therefore the possibility that the float flowmeter is damaged is reduced.

Description

Pointer-free float flowmeter

Technical Field

The application relates to the technical field of flowmeters, in particular to a pointer-free float flowmeter.

Background

The float flowmeter is a variable-area flow meter commonly used in industrial automation process control at present, and the basic principle of the float flowmeter is a volume flow meter which is also called as a rotor flowmeter and measures by changing the flow area between a float and a vertical conical pipe along with the change of flow; the float flowmeter has the characteristics of small volume, large detection range, convenient use and the like, can be used for measuring the flow of liquid, gas and steam, is particularly suitable for measuring the flow of low-flow-rate and small-flow media, and is generally divided into two types according to the fact that a float adopts a magnetic material and a non-magnetic material.

Among the correlation technique, chinese utility model patent that publication number is CN208296911U discloses a no pointer formula float flowmeter, including controller, toper glass pipe, float and installing support, be equipped with the mounting panel on the installing support, be equipped with transmission group and receipt group on the mounting panel, transmission group includes a plurality of infra-red transmitter, receipt group includes a plurality of infrared receiver, infra-red transmitter and infrared receiver one-to-one, toper glass pipe sets up between transmission group and receipt group, toper glass pipe osculum end is equipped with into flow tube, and toper glass pipe macrostoma end is equipped with out the flow tube, it is fixed with the installing support to advance the flow tube, it is fixed with the fixed bolster to go out the flow tube, infra-red transmitter is connected with the controller electricity, infrared receiver is connected with the controller electricity. The float flowmeter is corrosion-resistant, high in measurement accuracy, capable of being applied to micro-flow occasions and low in manufacturing cost.

In view of the above-mentioned related art, the inventor believes that water may splash onto the infrared emitter and the infrared receiver in the external environment, which may damage the float flowmeter and thus affect the normal operation of the float flowmeter.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of water splashing to the infrared emitter and the infrared receiver in the external environment, and therefore reduce the possibility of damage to the float flowmeter, the application provides a pointer-free float flowmeter.

The application provides a no pointer type float flowmeter adopts following technical scheme:

the utility model provides a no pointer type float flowmeter, includes mounting panel, transmission group and receipt group, be equipped with protection machanism on the mounting panel, protection machanism includes two connecting plates and apron, the equal fixedly connected with fixed plate of one side that transmission group and receipt group kept away from relatively on the mounting panel, two the both ends of connecting plate difference fixed connection in apron bottom, the draw-in groove has been seted up to the bottom of connecting plate, the fixed plate can peg graft the cooperation with the draw-in groove, be equipped with the fixed subassembly that the multiunit was used for fixing the connecting plate on the fixed plate.

Through adopting above-mentioned technical scheme, at first place the apron in the top of transmission group and receipt group, the fixed plate is pegged graft in the draw-in groove this moment, fixes connecting plate and fixed plate through fixed subassembly afterwards to can reduce the possibility that water splashes infrared emitter and receiver in the external environment, and then reduce the possibility that this float flowmeter damaged.

Preferably, the fixing component comprises a rack fixedly connected to the side wall of the clamping groove, a storage groove is formed in the fixing plate, the side wall of the storage groove is rotatably connected with a gear, the rack can be meshed with the gear, a sliding hole is formed in the fixing plate, one end, close to the gear, of the sliding hole is communicated with the side wall of the storage groove, the side wall of the sliding hole is slidably connected with a limiting rod, the side wall of the sliding hole is provided with the sliding groove, the side wall of the limiting rod is fixedly connected with a baffle plate, the baffle plate is slidably connected to the side wall of the sliding groove, one end, close to the gear, of the limiting rod is provided with a limiting groove, teeth on the gear can be in splicing fit with the limiting groove, a butting groove is formed in the fixing plate and communicated with one end, far away from the gear, of the sliding hole, and a bolt is in threaded connection with the side wall of the fixing plate, the bolt is kept away from its bolt cap's one end fixedly connected with butt piece, butt piece sliding connection is in the lateral wall in butt groove, be equipped with first inclined plane on the butt piece, the one end that the gear was kept away from to the gag lever post is equipped with the second inclined plane, the second inclined plane can carry out the butt cooperation with first inclined plane.

Through adopting above-mentioned technical scheme, when needs are fixed connecting plate and fixed plate, at first remove the connecting plate and peg graft mutually with the draw-in groove to the fixed plate, the rack removes to drive the gear and rotates this moment, when the connecting plate removes to the position that contacts with the mounting panel, the bolt rotates this moment and drives the butt piece and remove, the butt piece drives the gag lever post through first inclined plane and second inclined plane butt cooperation afterwards and removes, when the gag lever post removes to tooth on the gear and peg graft mutually with spacing groove, can reduce the possibility that connecting plate and fixed plate take place to separate this moment.

Preferably, the sliding groove is internally provided with a reset piece, the reset piece is a first spring, two ends of the first spring are respectively abutted against one side wall of the sliding groove close to the gear and one side of the baffle close to the gear, and the first spring is sleeved on the limiting rod.

Through adopting above-mentioned technical scheme, when needs are with connecting plate and fixed plate separation, at first rotate bolt to butt piece and gag lever post phase separation, the gag lever post takes place to remove under the elastic force effect of first spring this moment to remove tooth and spacing groove phase separation on the gear, thereby can reduce the degree of difficulty of connecting plate and fixed plate separation.

Preferably, the fixing plate is provided with a fastening assembly for fastening the bolt.

Through adopting above-mentioned technical scheme, the tight subassembly of support that sets up can support the bolt cap of tight bolt.

Preferably, the abutting assembly comprises an abutting plate and a second spring, the abutting plate is sleeved on the bolt, two ends of the second spring are respectively and fixedly connected to one side, close to the fixed plate, of the abutting plate and the side wall of the fixed plate, and the bolt cap of the bolt can be in butt fit with one side, far away from the fixed plate, of the abutting plate.

Through adopting above-mentioned technical scheme, when rotating the bolt, the cap of bolt promotes to support the board and overcome the elasticity of first spring and remove, and when the bolt stall, the elasticity of spring promotes to support the board and support the cap of bolt tightly this moment to can reduce the bolt and take place pivoted possibility.

Preferably, a plurality of groups of protection assemblies for protecting the second spring are arranged on the fixing plate.

Through adopting above-mentioned technical scheme, the protection subassembly that sets up can protect the second spring.

Preferably, a plurality of chutes are formed in the fixed plate, the protection assembly comprises a protection rod, the protection rod penetrates through the chute and is arranged close to one side wall of the abutting plate and slides in an inner cavity of the chute, one end, far away from the fixed plate, of the protection rod is fixedly connected to one side, close to the fixed plate, of the abutting plate, and the second spring is sleeved on the protection rod.

Through adopting above-mentioned technical scheme, when the second spring takes place to stretch or compress, the guard bar slides in the inner chamber of spout to can reduce the possibility that the second spring takes place the distortion.

Preferably, one end of the protection rod, which is far away from the abutting plate, is fixedly connected with a separation blade, and the separation blade is slidably connected to the side wall of the sliding groove.

Through adopting above-mentioned technical scheme, the separation blade of setting can reduce the possibility that fender rod and connecting plate take place to separate.

In summary, the present application includes at least one of the following beneficial technical effects:

1. firstly, the cover plate is placed above the transmitting set and the receiving set, the fixing plate is inserted into the clamping groove, and then the connecting plate and the fixing plate are fixed through the fixing assembly, so that the possibility that water in the external environment splashes to the infrared transmitter and the infrared receiver can be reduced, and the possibility that the float flowmeter is damaged is further reduced;

2. when the connecting plate and the fixing plate are required to be fixed, the connecting plate is firstly moved to the fixing plate to be inserted into the clamping groove, the rack is moved to drive the gear to rotate, when the connecting plate is moved to a position in contact with the mounting plate, the bolt is rotated at the moment, the bolt rotates to drive the abutting block to move, then the abutting block drives the limiting rod to move through the abutting fit of the first inclined surface and the second inclined surface, and when the limiting rod moves to a position where teeth on the gear are inserted into the limiting groove, the possibility that the connecting plate is separated from the fixing plate can be reduced at the moment;

3. when the second spring is stretched or compressed, the protective rod slides in the inner cavity of the sliding groove, so that the possibility of the second spring being twisted can be reduced.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a highlighting fixture assembly in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a highlighted fastening assembly in an embodiment of the present application.

Description of reference numerals:

1. mounting a plate; 2. a transmitting group; 3. receiving a group; 4. a protection mechanism; 41. a connecting plate; 42. a cover plate; 43. a fixing plate; 44. a card slot; 45. a fixing assembly; 451. a rack; 452. a storage tank; 453. a gear; 454. a sliding hole; 455. a limiting rod; 456. a sliding groove; 457. a baffle plate; 458. a limiting groove; 459. a butt joint groove; 46. a bolt; 461. a butting block; 462. a first inclined plane; 463. a second inclined plane; 47. a first spring; 5. a propping component; 51. a propping plate; 52. a second spring; 6. a protection component; 61. a chute; 62. a guard bar; 7. a baffle plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a pointer-free float flowmeter. Referring to fig. 1, the device comprises a mounting plate 1, a transmitting group 2 and a receiving group 3, wherein a protection mechanism 4 is arranged on the mounting plate 1.

Referring to fig. 1 and 2, the protection mechanism 4 includes two connection plates 41 and a cover plate 42, the two connection plates 41 and the cover plate 42 are rectangular, a fixing plate 43 is fixedly connected to the mounting plate 1 on a side of the transmission group 2 and the receiving group 3 away from each other, the fixing plate 43 is rectangular, the two connection plates 41 are respectively and fixedly connected to two ends of the bottom of the cover plate 42, a slot 44 is formed in the bottom of the connection plate 41, the slot 44 extends along the length direction of the connection plate 41, the fixing plate 43 can be in inserted fit with the slot 44, a plurality of fixing assemblies 45 for fixing the connection plates 41 are arranged on the fixing plate 43, the cover plate 42 is firstly placed above the transmission group 2 and the receiving group 3, at this time, the fixing plate 43 is inserted into the slot 44, and then the connection plate 41 and the fixing plate 43 are fixed by the fixing assemblies 45, so as to reduce the possibility that water splashes onto the infrared transmitter and receiver in the external environment, thereby reducing the likelihood of damage to the float flow meter.

Referring to fig. 2 and 3, the fixing assembly 45 includes a rack 451, the rack 451 is vertically disposed, the rack 451 is fixedly connected to a side wall of the slot 44, a storage groove 452 is formed in the fixing plate 43, a gear 453 is rotatably connected to a side wall of the storage groove 452 through a bearing, the rack 451 can be engaged with the gear 453, a sliding hole 454 is formed in the fixing plate 43, the sliding hole 454 extends along a length direction of the fixing plate 43, one end of the sliding hole 454 close to the gear 453 is communicated with the side wall of the storage groove 452, a limiting rod 455 is slidably connected to a side wall of the sliding hole 454 along the length direction of the fixing plate 43, the limiting rod 455 is horizontally disposed, a sliding groove 456 is formed in a side wall of the sliding hole 454, the sliding groove 456 extends along the length direction of the fixing plate 43, a baffle 457 is fixedly sleeved on a side wall of the limiting rod 455, the baffle 457 is in a rectangular shape, the baffle 457 is slidably connected to a side wall of the sliding groove 456 along the length direction of the fixing plate 43, spacing groove 458 has been seted up to the one end that gag lever post 455 is close to gear 453, the tooth on gear 453 can carry out the cooperation of pegging graft with spacing groove 458, it is equipped with the piece that resets to slide 456, the piece that resets is first spring 47, first spring 47 level sets up, the both ends of first spring 47 butt respectively in the one side lateral wall that slides 456 is close to gear 453 and the one side that baffle 457 is close to gear 453, first spring 47 overlaps and locates on gag lever post 455, when needs are with connecting plate 41 and fixed plate 43 separation, at first rotate bolt 46 to butt piece 461 and gag lever post 455 phase separation, gag lever post 455 moves under the elastic force effect of first spring 47 this moment, and move to tooth and the spacing groove 458 phase separation on the gear 453, thereby can reduce the degree of difficulty that connecting plate 41 and fixed plate 43 separated.

Referring to fig. 2 and 3, a contact groove 459 is formed in the fixing plate 43, the contact groove 459 extends in the width direction of the fixing plate 43, the contact groove 459 is communicated with one end of the sliding hole 454 away from the gear 453, a bolt 46 is screwed to a side wall of the fixing plate 43, the bolt 46 is horizontally arranged, a contact block 461 is fixedly connected to one end of the bolt 46 away from the nut thereof, the contact block 461 is slidably connected to a side wall of the contact groove 459 in the width direction of the fixing plate 43, a first inclined surface 462 is formed on one side of the contact block 461 away from the nut of the bolt 46, a second inclined surface 463 is formed on one end of the stopper bar 455 away from the gear 453, the second inclined surface 463 can be in contact engagement with the first inclined surface 462, when the connecting plate 41 needs to be fixed to the fixing plate 43, the connecting plate 41 is first moved to be in contact with the clamping groove 44, the rack 451 is moved to drive the gear 453 to rotate, when the connecting plate 41 is moved to a position in contact with the mounting plate 1, at this time, the bolt 46 is rotated, the bolt 46 rotates to drive the abutting block 461 to move, and then the abutting block 461 drives the limiting rod 455 to move through the abutting fit of the first inclined surface 462 and the second inclined surface 463, so that when the limiting rod 455 moves to the gear 453 and the teeth are inserted into the limiting groove 458, the possibility of the separation of the connecting plate 41 and the fixing plate 43 can be reduced.

Referring to fig. 2 and 3, the fixing plate 43 is provided with a tightening assembly 5 for tightening the bolt 46, and the tightening assembly 5 is provided to tighten a cap of the bolt 46; the resisting component 5 comprises a resisting plate 51 and a second spring 52, the cross section of the resisting plate 51 is circular, the resisting plate 51 is sleeved on the bolt 46, the second spring 52 is horizontally arranged, two ends of the second spring 52 are respectively and fixedly connected to one side of the resisting plate 51 close to the fixing plate 43 and the side wall of the fixing plate 43, a bolt cap of the bolt 46 can be in butt fit with one side of the resisting plate 51 far away from the fixing plate 43, when the bolt 46 is rotated, the bolt cap of the bolt 46 pushes the resisting plate 51 and overcomes the elastic force of the first spring 47 to move, when the bolt 46 stops rotating, the elastic force of the spring pushes the resisting plate 51 to resist the bolt cap of the bolt 46, and therefore the possibility that the bolt 46 rotates can be reduced.

Referring to fig. 2 and 3, a plurality of sets of protection assemblies 6 for protecting the second springs 52 are disposed on the fixing plate 43, and the protection assemblies 6 are disposed to protect the second springs 52; a plurality of spouts 61 have been seted up on fixed plate 43, spout 61 extends along the width direction of fixed plate 43, protection component 6 includes fender rod 62, fender rod 62 level sets up, fender rod 62 runs through spout 61 and is close to the setting of one side lateral wall that supports tight board 51 and slides in the inner chamber of spout 61 along the width direction of fixed plate 43, the one end fixed connection that fixed plate 43 was kept away from to fender rod 62 is in the one side that supports tight board 51 and is close to fixed plate 43, second spring 52 overlaps locates on fender rod 62, when second spring 52 takes place tensile or compression, fender rod 62 slides in the inner chamber of spout 61, thereby can reduce second spring 52 and take place the possibility of warping.

Referring to fig. 3, a blocking piece 7 is fixedly connected to one end of the protection rod 62 far away from the abutting plate 51, the cross section of the blocking piece 7 is circular, the blocking piece 7 is slidably connected to the side wall of the sliding groove 61 along the width direction of the fixing plate 43, and the provided blocking piece 7 can reduce the possibility that the protection rod 62 is separated from the connecting plate 41.

The implementation principle of the embodiment of the application is as follows: cover plate 42 is firstly placed above launching group 2 and receiving group 3, fixing plate 43 is inserted into clamping groove 44 at the moment, and then connecting plate 41 and fixing plate 43 are fixed through fixing assembly 45, so that the possibility that water in the external environment splashes to the infrared ray emitter and receiver can be reduced, and the possibility that the float flowmeter is damaged is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A non-pointer float flowmeter, comprising a mounting plate (1), a transmitting set (2) and a receiving set (3), characterized in that: be equipped with protection mechanism (4) on mounting panel (1), protection mechanism (4) include two connecting plates (41) and apron (42), the transmission is organized (2) and is received one side of keeping away from relatively of group (3) equal fixedly connected with fixed plate (43) on mounting panel (1), two connecting plate (41) is fixed connection respectively in the both ends of apron (42) bottom, draw-in groove (44) have been seted up to the bottom of connecting plate (41), fixed plate (43) can be pegged graft the cooperation with draw-in groove (44), be equipped with the multiunit on fixed plate (43) and be used for carrying out fixed subassembly (45) to connecting plate (41).

2. The pinless float flowmeter of claim 1 wherein: the fixing component (45) comprises a rack (451), the rack (451) is fixedly connected to the side wall of the clamping groove (44), a storage groove (452) is formed in the fixing plate (43), a gear (453) is rotatably connected to the side wall of the storage groove (452), the rack (451) can be meshed with the gear (453), a sliding hole (454) is formed in the fixing plate (43), one end, close to the gear (453), of the sliding hole (454) is communicated with the side wall of the storage groove (452), a limiting rod (455) is slidably connected to the side wall of the sliding hole (454), a sliding groove (456) is formed in the side wall of the sliding hole (454), a baffle (457) is fixedly connected to the side wall of the limiting rod (455), the baffle (457) is slidably connected to the side wall of the sliding groove (456), a limiting groove (458) is formed in one end, close to the gear (453), of the limiting rod (455), tooth on gear (453) can carry out the grafting cooperation with spacing groove (458), it connects groove (459) to have seted up in fixed plate (43), butt groove (459) is linked together with the one end that sliding hole (454) kept away from gear (453), the lateral wall threaded connection of fixed plate (43) has bolt (46), the one end fixedly connected with butt piece (461) of its bolt cap is kept away from in bolt (46), butt piece (461) sliding connection is in the lateral wall of butt groove (459), be equipped with first inclined plane (462) on butt piece (461), the one end that gear (453) were kept away from in gag lever post (455) is equipped with second inclined plane (463), second inclined plane (463) can carry out the butt cooperation with first inclined plane (462).

3. The pinless float flowmeter of claim 2 wherein: the sliding groove (456) is internally provided with a reset piece which is a first spring (47), two ends of the first spring (47) are respectively abutted to the side wall of the sliding groove (456) close to the gear (453) and the side of the baffle plate (457) close to the gear (453), and the first spring (47) is sleeved on the limiting rod (455).

4. The pinless float flowmeter of claim 1 wherein: and a fastening component (5) for fastening the bolt (46) is arranged on the fixing plate (43).

5. The pinless float flowmeter of claim 4 wherein: the abutting assembly (5) comprises an abutting plate (51) and a second spring (52), the abutting plate (51) is sleeved on the bolt (46), two ends of the second spring (52) are respectively and fixedly connected to one side, close to the fixing plate (43), of the abutting plate (51) and the side wall of the fixing plate (43), and a bolt cap of the bolt (46) can be in abutting fit with one side, far away from the fixing plate (43), of the abutting plate (51).

6. The pinless float flowmeter of claim 1 wherein: and a plurality of groups of protection assemblies (6) used for protecting the second springs (52) are arranged on the fixing plate (43).

7. The pinless float flowmeter of claim 6 wherein: a plurality of sliding grooves (61) are formed in the fixing plate (43), the protection assembly (6) comprises a protection rod (62), the protection rod (62) penetrates through the sliding grooves (61) and is arranged close to one side wall of the abutting plate (51) and slides in an inner cavity of the sliding grooves (61), one end, far away from the fixing plate (43), of the protection rod (62) is fixedly connected to one side, close to the fixing plate (43), of the abutting plate (51), and the protection rod (62) is sleeved with the second spring (52).

8. The pinless float flowmeter of claim 7 wherein: one end, far away from the abutting plate (51), of the protective rod (62) is fixedly connected with a blocking piece (7), and the blocking piece (7) is connected to the side wall of the sliding groove (61) in a sliding mode.