CN217382558U - Target current switch - Google Patents

Abstract

The utility model belongs to the technical field of relate to pipeline water is listened, a target flow switch is disclosed. The target flow switch comprises a shell, a switch assembly, a waterproof piece and a switch component, wherein the switch assembly is arranged at the upper end of the shell, a deflector rod is inserted in a cavity of the shell and connected with the switch assembly, the waterproof piece is arranged at the port of the shell, the side wall of the waterproof piece is corrugated, and the waterproof piece can prevent metal impurities from entering the shell; the problem of metal impurities in the current water route flow in near upper end magnet, influence the reliability of target flow switch is solved.

Description

Target current switch

Technical Field

The utility model relates to a technical field is listened to the pipeline water, especially relates to a target current switch.

Background

The target switch mainly is applied to the rivers of pipeline and listens, and wherein the target switch is used for detecting the water pressure in the rivers route, and when the water pressure in the rivers route was not enough, thereby the plectrum on the target switch will detect that water pressure is not enough and open the gate through the switch on the target switch, finally makes water pressure resume to stable state, and when water pressure arrival stable value, the target switch transmission signal was closed the gate, the protection pipeline.

However, metal impurities often flow to the position near the switch at the upper end of the target flow switch inside the water flow channel, and the magnet is installed on the switch to control the on-off of the switch, so that the metal impurities easily reduce the sensitivity of the switch inside the switch, and the normal work of the target flow switch is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a target flows switch has solved near metallic impurity in the current water route flows in upper end magnet, influences the problem of the reliability of target flow switch.

To achieve the purpose, the utility model adopts the following technical proposal: the utility model provides a target flow switch, including shell and switch module, switch module installs the shell upper end, the cartridge has the driving lever in the shell cavity, the driving lever with switch module connects, target flow switch still includes waterproof, waterproof installs shell port department, waterproof lateral wall is the corrugate, waterproof can prevent that metallic impurity from getting into inside the shell.

Preferably, the target flow switch further comprises a fixing assembly, the fixing assembly comprises a first fixing ring, the first fixing ring is arranged on the inner wall of the shell, and the deflector rod is inserted into the first fixing ring.

Preferably, the fixing assembly further comprises a second fixing ring, the second fixing ring is clamped at the port of the shell, and the second fixing ring abuts against the bottom edge of the waterproof piece.

Preferably, the second fixing ring is a filter element, and the second fixing ring can filter impurities in water.

Preferably, the flashing is an elastomeric material.

Preferably, the shell is inserted with a nut sleeve, a through hole is formed on the nut sleeve, the shell is inserted in the through hole, a thread is formed at the tail end of the shell, and the nut sleeve is fastened on the shell.

Preferably, the waterproof part is conical, a first trepan boring and a second trepan boring are formed on the waterproof part, the diameter of the second trepan boring is larger than that of the first trepan boring, the deflector rod is inserted into the first trepan boring and the second trepan boring, and the first trepan boring is connected with the second trepan boring.

Preferably, an arc-shaped edge is formed on the outer side of the first sleeve hole, and the arc-shaped edge and the outer wall of the first sleeve hole form a separation blocking cavity which can prevent water from impacting the outer wall of the waterproof piece.

Has the advantages that: the utility model discloses an install the waterproof part additional in the port department of shell, make the impurity of pipeline aquatic can not splash to switch module's position on, the waterproof part cuts off the water that contains impurity in with the pipeline with switch module, makes the metallic impurity in the pipeline can not disturb the switch module of shell upper end installation, makes the accuracy and the reliability of target flow switch when operating condition higher.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is an overall installation diagram of the present invention.

In the figure: 1-a housing; 2-a switching assembly; 3-a deflector rod; 4-a waterproof piece; 41-a first set of holes; 42-a second trepan; 43-arc edge; 5-a first retaining ring; 6-a second fixing ring; 7-nut sleeve.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

As shown in fig. 1 to 2, the water flow in the pipeline is monitored by the poking piece on the target flow switch in the prior art, but because metallic impurities are mixed in the water flow in the pipeline, when the metallic impurities splash to the switch component 2 at the upper end of the shell 1, the metallic impurities can be attached to the magnet, thereby affecting the accuracy of the opening and closing of the target flow switch.

In order to solve the problem, the utility model provides a target flow switch, including shell 1 and switch module 2, switch module 2 installs 1 upper end of shell, the cartridge has the plectrum in the 1 cavity of shell, the plectrum with the 2 electricity of switch module are connected, target flow switch still includes waterproof 4, waterproof 4 installs 1 port department of shell, waterproof 4 lateral walls are the corrugate, waterproof 4 can prevent that metallic impurity from getting into inside the shell 1.

When the target flow switch is at the during operation, metallic impurity in the pipeline can adhere to on waterproof 4 after contacting waterproof 4, perhaps washed away by the liquid that flows in the pipeline, can not follow 1 port of shell and get into, interference switch subassembly 2's normal switching, simultaneously because the utility model discloses a waterproof 4 lateral walls are the state of ripple, so when driving lever 3 shakes under the striking of rivers with crooked, also can be crooked with waterproof 4 that cup joint with it, the bending structure who is the ripple on waterproof 4 can cushion the impact that driving lever 3 vibrations brought, prevents that waterproof 4 from taking place the fracture or damaging under the impact of driving lever 3, promotes waterproof 4's durability and impact resistance.

As shown in fig. 1 to 2, the target current switch further includes a fixing assembly, the fixing assembly includes a first fixing ring 5, the first fixing ring 5 is disposed on an inner wall of the housing 1, and the shift lever 3 is inserted into the first fixing ring 5.

In order to prevent that driving lever 3 self vibrations from taking place to break or damage, the utility model discloses a first solid fixed ring 5 with the 3 joints of driving lever in the cylindrical cavity of shell 1 inside, reduced the 3 vibration range of driving lever, prevent that driving lever 3 from shaking by a wide margin and taking place to damage.

As shown in fig. 1 to fig. 2, the fixing component of the present invention further comprises a second fixing ring 6, wherein the second fixing ring 6 is connected to the port of the housing 1, and the second fixing ring 6 is connected to the bottom of the waterproof member 4.

The utility model discloses a prevent that waterproof 4 from droing from driving lever 3, fix waterproof 4 on the plane of first mounting downside through the second mounting, make on the target flow switch reliability and the stability increase of waterproof 4.

Optionally, the second fixing ring 6 is a filter element, the second fixing ring 6 can filter impurities in water, if water flow in a pipeline still enters the shell 1, the filter element can absorb most of metal impurities, and the influence of the metal impurities on the switch assembly 2 on the target flow switch is reduced.

Optionally, on waterproof 4 is elastic material, because driving lever 3 can produce vibrations, the vibrations that driving lever 3 produced can be absorbed to waterproof 4 of elastic material, simultaneously because there is the structure of wave type on waterproof 4, makes waterproof 4's bending quantity become bigger, makes waterproof 4's reliability higher, if waterproof is ageing, above-mentioned wavy structure also can provide bending quantity for waterproof 4, offsets the impact that driving lever 3 produced waterproof 4.

As shown in fig. 1 to 2, the nut sleeve 7 is inserted into the housing 1, a through hole is formed in the nut sleeve 7, the housing 1 is inserted into the through hole, a thread is formed at the end of the housing 1, and the nut sleeve 7 is fastened on the housing 1.

As shown in fig. 1 to 2, the waterproof member 4 of the present invention is conical, a first trepan boring 41 and a second trepan boring 42 are formed on the waterproof member 4, the diameter of the second trepan boring 42 is larger than the first trepan boring 41, and the shift lever 3 is inserted into the first trepan boring 41.

Above-mentioned first trepanning 41 cup joints the lower extreme at driving lever 3, can prevent effectively that the water that contains impurity in the pipeline from getting into in the inside cavity of above-mentioned shell 1, and the space in the second trepanning 42 is used for holding the disc structure on driving lever 3, reserves the space of removal for the disc on driving lever 3, makes it not take place to interfere with the inner wall of waterproof 4.

The utility model discloses go up the 41 outsides in first suit of holes and be formed with arc limit 43, arc limit 43 with the 41 outer walls in first suit of holes form and hinder and separate the chamber, hinder and separate the chamber and can prevent that water from getting into in the switch module 2.

The blocking cavity can be used for placing the outer wall of the waterproof part 4 directly impacted by water flow, so that the impact strength of the water flow is reduced, and the service life of the waterproof part 4 is prolonged.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (8)

1. The utility model provides a target flow switch, includes shell (1) and switch module (2), install switch module (2) shell (1) upper end, shell (1) cavity cartridge has driving lever (3), driving lever (3) with switch module (2) are connected, its characterized in that, target flow switch still includes waterproof (4), install waterproof (4) shell (1) port department, waterproof (4) lateral wall is the corrugate, waterproof (4) can prevent that metallic impurity from getting into inside shell (1).

2. The target current switch according to claim 1, further comprising a fixing assembly, wherein the fixing assembly comprises a first fixing ring (5), the first fixing ring (5) is disposed on an inner wall of the housing (1), and the shift lever (3) is inserted into the first fixing ring (5).

3. The target flow switch according to claim 2, wherein the fixing assembly further comprises a second fixing ring (6), the second fixing ring (6) is clamped at the port of the housing (1), and the second fixing ring (6) abuts against the bottom edge of the waterproof member (4).

4. The target flow switch according to claim 3, characterized in that said second fixed ring (6) is a filter element, said second fixed ring (6) being able to filter impurities in water.

5. Target flow switch according to claim 1, characterized in that the flashing (4) is an elastic material.

6. The target flow switch according to claim 1, characterized in that a nut sleeve (7) is inserted on the housing (1), a through hole is formed on the nut sleeve (7), the housing (1) is inserted in the through hole, a thread is formed at the end of the housing (1), and the nut sleeve (7) is fastened on the housing (1).

7. The target flow switch according to claim 1, wherein the waterproof member (4) is tapered, a first trepan boring (41) and a second trepan boring (42) are formed on the waterproof member (4), the second trepan boring (42) is larger in diameter than the first trepan boring (41), the shift lever (3) is inserted into the first trepan boring (41) and the second trepan boring (42), and the first trepan boring (41) and the second trepan boring (42) are connected.

8. The target flow switch according to claim 7, wherein an arc-shaped edge (43) is formed outside the first sleeve hole (41), and the arc-shaped edge (43) and the outer wall of the first sleeve hole (41) form a separation preventing space which can prevent water flow from impacting the outer wall of the waterproof member (4).

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