CN215008062U

CN215008062U - Flow switch

Info

Publication number: CN215008062U
Application number: CN202121120235.6U
Authority: CN
Inventors: 肖春林; 肖可心
Original assignee: Changzhou Turin Controller Co ltd
Current assignee: Changzhou Turin Controller Co ltd
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-12-03
Anticipated expiration: 2031-05-24

Abstract

The utility model relates to a flow switch, it includes that middle part integrated into one piece has the casing of connecting pipe, the middle part articulates in the transfer line in the connecting pipe, fixed mounting is in the tongue tube of connecting pipe upper end, fixed mounting is in the magnet of transfer line upper end, and be the regulation magnet that repulses mutually and set up with magnet, the first mounting hole that supplies tongue tube fixed mounting is seted up to the upper end of connecting pipe, the lower extreme is coaxial to be seted up the second mounting hole that supplies the transfer line installation, the upper end of transfer line is provided with the magnet mount pad that supplies the magnet installation, the target piece is installed to lower extreme detachably, set up the third mounting hole that supplies to adjust the magnet installation on the lateral wall of casing, threaded connection has the regulation magnet mount pad in the third mounting hole, regulation magnet fixed mounting is in the one end of adjusting the magnet mount pad. The utility model discloses a repulsion force between magnet and the regulation magnet adjusts the adjustment of flow scope, avoids losing the bad consequence that elasticity produced because of the long-time stress state of spring down.

Description

Flow switch

Technical Field

The utility model relates to a flow switch.

Background

The existing flow switch has the defects of large flow range of control, low control precision, poor sensitivity, short service life and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a control range flow is little, and the precision is high, and longe-lived and high flow switch of sensitivity.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: flow switch includes that middle part integrated into one piece has the casing of connecting pipe, the middle part articulates in the transfer line in the connecting pipe, fixed mounting is in the tongue tube of connecting pipe upper end, fixed mounting is in the magnet of transfer line upper end, and be the regulation magnet that repels the setting with magnet, the first mounting hole that supplies tongue tube fixed mounting is seted up to the upper end of connecting pipe, the coaxial second mounting hole that supplies the transfer line installation of seting up of lower extreme, the upper end of transfer line is provided with the magnet mount pad that supplies the magnet installation, lower extreme detachably installs the target piece, set up the third mounting hole that supplies regulation magnet installation on the lateral wall of casing, threaded connection has the regulation magnet mount pad in the third mounting hole, regulation magnet fixed mounting is in the one end of regulation magnet mount pad.

Wherein, the cover is equipped with articulated seat in the second mounting hole, and articulated hole has been seted up at the middle part of articulated seat, and the transfer line passes through the hinge bar and articulates on articulated seat.

Wherein, the upper and lower end of the hinge base is provided with a taper hole which is coaxially arranged with the hinge hole.

Wherein, a binding post electrically connected with the reed switch is fixedly arranged in the shell.

Wherein, the lower end of the shell is provided with a through hole for the cable of the wiring column to pass through.

Wherein, a wiring sleeve is clamped in the through hole.

Wherein, the other end of the adjusting magnet mounting seat is provided with a straight groove or a cross groove.

Wherein, the upper end fixed mounting of casing has the cap.

Wherein, the lower extreme edge downwardly extending of cap has the location flange.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a repulsion force between magnet and the regulation magnet comes the adjustment of adjustment flow scope, avoids losing the bad consequence that elasticity produced because of the long-time stress state of spring down, and this uses neotype control flow scope little, and control accuracy is high, and is longe-lived, and sensitivity is high, is applicable to heat pump system.

Drawings

Fig. 1 is a schematic structural diagram of the flow switch of the present invention.

Fig. 2 is a schematic structural diagram of the flow switch of the present invention after the housing cover is removed.

Fig. 3 is a schematic diagram of a transverse section of the flow switch of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments. In the following description, any concept relating to the directionality or orientation of up, down, left, right, front and rear is given with respect to the position shown in the figures being described, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

As shown in fig. 1 to 3, the flow switch of the present invention comprises a housing 1, a transmission rod 2 hinged in the housing 1, a dry reed pipe 3 fixedly installed on the upper end of the housing 1, a magnet 5 fixedly installed on the upper end of the transmission rod 2, and an adjusting magnet 4 movably installed on the housing 1, wherein a connecting pipe 11 is integrally formed in the middle of the housing 1, the upper end of the connecting pipe 11 is disposed in the housing 1, the lower end of the connecting pipe extends out of the housing 1, a first mounting hole 12 perpendicular to the axis of the connecting pipe is formed in the upper end of the connecting pipe 11, the dry reed pipe 3 is fixedly installed in the first mounting hole 12, a second mounting hole 13 for the transmission rod 2 to be installed is coaxially formed in the lower end of the connecting pipe, the middle of the transmission rod 2 is hinged in the second mounting hole 13, the lower end of the transmission rod extends out of the second mounting hole 13, a target 22 is fixedly installed at the lower end through a bolt, a magnet mounting seat 21 is fixedly installed at the upper end, this magnet 5 fixed mounting has been seted up on magnet mount pad 21 on the lateral wall of casing 1 third mounting hole 14 has been seted up, this third mounting hole sets up to the blind hole, threaded connection has regulation magnet mount pad 7 on the third mounting hole 14, adjust 4 fixed mounting of magnet on adjusting magnet mount pad 7, adjust magnet 4 and magnet 5 and set up on same height, and set up to the state that like poles repel each other, through the rotatory regulation magnet mount pad, with the distance of adjustment magnet and regulation magnet, thereby the repulsion force between adjustment magnet and the magnet.

A hinge base 16 is sleeved in the second mounting hole 13, a hinge hole 161 is formed in the middle of the hinge base 16, the middle of the transmission rod 2 is hinged in the hinge hole 161 through a hinge shaft, conical holes 162 which are coaxially arranged with the hinge hole 161 are formed in the upper end and the lower end of the hinge base 16, the opening of the conical hole 162 at the upper end faces upward, and the opening of the conical hole 162 at the lower end faces downward, so that the transmission rod 2 can swing; the location shaft shoulder has been seted up on this second mounting hole 13 to in the location installation of articulated seat, the lower extreme threaded connection of this second mounting hole 13 has fixing base 10, and this fixing base 10 supports to lean on in articulated seat 16, with the fixed mounting who realizes articulated seat 16.

The target plate is arranged on the transmission rod through the bolt, so that the target plate can be conveniently replaced by target plates with different sizes and specifications, the stress area is increased or reduced, and the flow is adjusted.

The outer end of the adjusting magnet mounting seat 7 is provided with a straight groove or a cross groove so as to be convenient for operating the adjusting mounting seat, and a protective cover is arranged outside the adjusting mounting seat so as to protect the adjusting magnet mounting seat.

A binding post 8 is arranged in the shell 1 so as to facilitate the electrical connection of the reed switch.

A shell cover 6 is covered above the shell 1 so as to protect a reed switch in the shell and facilitate later-period maintenance; the lower end of the cover 6 extends downwards to form a positioning flange 61 to facilitate positioning and installation of the cover 6.

The lower extreme of above-mentioned casing 1 is seted up and is supplied the logical line hole 15 that the cable wore out, and this logical line hole 15 endotheca is equipped with the wiring cover 9 to the protection leads to the line hole, and constant head tank 91 has been seted up at the outer wall middle part of this wiring cover 9, and this constant head tank 91 clamps in the edge that leads to the line hole, with the fixed mounting who realizes the wiring cover.

The flow switch is arranged in the pipeline, when water flows through the pipeline, the water flow pushes the target sheet at the lower end of the transmission rod to move forwards, the magnet at the upper end of the transmission rod overcomes the repulsion force of the adjusting magnet to move backwards, and after the movable contact in the dry reed pipe senses the magnetic field of the S pole on the magnet, the movable contact moves downwards to close the static contact, so that the circuit is connected; when the water flow is slowly reduced, the transmission rod is gradually reset under the action of the repulsive force of the adjusting magnet, namely, the upper end moves forwards, the lower end moves backwards, and after the moving contact loses the magnetic field of the S pole, the moving contact and the static contact repel each other, so that the circuit is disconnected.

Finally, it should be noted that: the above embodiments are merely illustrative of the technical solutions of the present invention, and not limitative thereof; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A flow switch, characterized by: the flow switch comprises a shell (1) with a connecting pipe (11) integrally formed in the middle, a transmission rod (2) hinged to the connecting pipe (11) in the middle, a reed switch (3) fixedly mounted at the upper end of the connecting pipe (11), a magnet (5) fixedly mounted at the upper end of the transmission rod (2), and an adjusting magnet (4) arranged in a manner of repelling with the magnet (5), wherein a first mounting hole (12) for fixedly mounting the reed switch (3) is formed in the upper end of the connecting pipe (11), a second mounting hole (13) for mounting the transmission rod (2) is coaxially formed in the lower end of the connecting pipe, a magnet mounting seat (21) for mounting the magnet (5) is arranged at the upper end of the transmission rod (2), a target sheet (22) is detachably mounted at the lower end of the transmission rod, and a third mounting hole (14) for mounting the adjusting magnet (4) is formed in the side wall of the shell (1), and the third mounting hole (14) is internally connected with an adjusting magnet mounting seat (7), and the adjusting magnet (4) is fixedly mounted at one end of the adjusting magnet mounting seat (7).

2. The flow switch according to claim 1, characterized in that a hinge base (16) is sleeved in the second mounting hole (13), a hinge hole (161) is formed in the middle of the hinge base (16), and the transmission rod (2) is hinged to the hinge base (16) through a hinge rod.

3. The flow switch according to claim 2, characterized in that the upper and lower ends of the hinge base (16) are both provided with a taper hole (162) coaxially arranged with the hinge hole (161).

4. A flow switch according to claim 1, characterized in that a binding post (8) electrically connected with the reed switch (3) is fixedly arranged in the shell (1).

5. A flow switch according to claim 4, characterized in that the lower end of the shell (1) is provided with a through hole (15) for the wiring terminal cable to pass through.

6. A flow switch according to claim 5, characterized in that the wiring sleeve (9) is clamped in the through hole (15).

7. The flow switch according to claim 1, characterized in that the other end of the adjusting magnet mounting seat (7) is provided with a straight groove or a cross groove.

8. A flow switch according to claim 1, characterized in that the upper end of the housing (1) is fixedly provided with a housing cover (6).

9. A flow switch according to claim 8, characterised in that the cover (6) has a downwardly extending locating flange (61) at its lower edge.