CN211350406U - Anti-abrasion type limit switch for fire hose outer layer rolling device - Google Patents

Abstract

The utility model discloses an anti-abrasion limit switch for a fire hose outer layer rolling device, which comprises a limit switch main body, a fixed bottom plate, a telescopic module and a position adjusting module; the limit switch main part: the right end of the limit switch main body is provided with a groove, the inner wall of the groove is connected with a sleeve in a sliding mode, the inner wall of the groove is provided with a sliding groove, the left end of the sliding groove is provided with a contact switch, a pressing plate is connected in the sliding groove in a sliding mode and connected with the sleeve through a sliding shaft, the side face of the sliding shaft is sleeved with a spring, and a limit plate is arranged in the groove; fixing a bottom plate: the fixed bottom plate is connected with the limit switch main body through the position adjusting module, and a hanging lug is arranged on the side surface of the fixed bottom plate; a telescopic module: the telescopic module comprises a fastening screw rod, a movable slotted hole and a telescopic column, and the limit switch is simple in structure, can freely adjust the limit stroke, and meets different rolling thickness limit requirements.

Description

Anti-abrasion type limit switch for fire hose outer layer rolling device

Technical Field

The utility model relates to a limit switch technical field specifically is a fire hose skin is beaten package and is used abrasionproof type limit switch.

Background

Limit switch is also known as travel switch, can install on the object of relative static or motion, when the animal is close the quiet thing, the connecting rod drive of switch is controlled the switch, by the change of the open of switch, the state of closing go control circuit and motor, fire hose outer layer is flax braid generally, mainly utilize to drive the wind-up roll rotation and roll up when rolling up, the in-process of rolling mainly adopts specific limit switch to control the thickness of every roll of fire hose, this type of limit switch who uses at present is behind the fixed position, its stroke is fixed, when certain roll of fire hose requires thickness to turn down or turn up, then need dismantle limit switch again, and the measuring distance is installed, unusual inconvenient during the use.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a fire hose skin and beat a roll device and use abrasionproof type limit switch, this limit switch's simple structure, it is convenient to use, the spacing stroke of regulation that can be free reaches different limit requirements, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-abrasion limit switch for a fire hose outer layer rolling device comprises a limit switch main body, a fixed bottom plate, a telescopic module and a position adjusting module;

the limit switch main part: the limiting switch comprises a limiting switch body and is characterized in that a groove is formed in the right end of the limiting switch body, a sleeve is connected to the inner wall of the groove in a sliding mode, a sliding groove is formed in the inner wall of the groove, a contact switch is installed at the left end of the sliding groove, a pressing plate is connected to the sliding groove in a sliding mode and connected with the sleeve through a sliding shaft, a spring is sleeved on the side face of the sliding shaft, a limiting plate is installed in the groove, and the limiting plate is connected;

fixing a bottom plate: the fixed bottom plate is connected with the limit switch main body through the position adjusting module, and a hanging lug is arranged on the side surface of the fixed bottom plate;

a telescopic module: the telescopic module comprises a fastening screw rod, a movable slotted hole and a telescopic column, the telescopic column is positioned in the sleeve and is in sliding connection with the sleeve, the movable slotted hole is formed in the side face of the sleeve, the fastening screw rod penetrates through the two movable slotted holes and the telescopic column, and the end part of the fastening screw rod is fixed through a nut;

the telescopic column is characterized by further comprising a roller, the roller is rotatably connected with the right end of the telescopic column through a rotating shaft, and the output end of the contact switch is electrically connected with the input end of an external single chip microcomputer.

Further, still include the ball, spherical groove has evenly been seted up to the side of gyro wheel, the ball is located spherical groove, and with spherical groove rolling connection, adds the ball on the gyro wheel, reduces limit switch and the outer frictional force of fire hose, improves limit switch's abrasionproof performance.

Furthermore, the top end of the roller is parallel to the top end of the fixed bottom plate, so that the roller and the fire hose can be positioned on the same plane after installation.

Furthermore, the position adjusting module comprises an adjusting screw and a cylindrical block, the cylindrical block is installed on the side face of the limit switch main body, the adjusting screw is in threaded connection with the cylindrical block, the end portion of the adjusting screw is rotatably connected with the fixing base plate, the distance between the limit switch main body and the fixing base plate is changed by rotating the adjusting screw, the position of the roller is convenient to adjust, and the roller can be parallel to the middle coiling roller of the coiling device.

Further, still include the scale, the scale is installed in telescopic side, and is close to removal slotted hole position department, and the sign has the scale on the scale, through the scale, regulation stroke that can be accurate facilitates the use, need not extra instrument and measures.

Compared with the prior art, the beneficial effects of the utility model are that: this device is rolled up with abrasionproof type limit switch to fire hose outer layer has following benefit:

this fire hose skin is beaten package and is used abrasionproof type limit switch's simple structure, contact with the fire hose outband through setting up the gyro wheel, limit switch and the outer frictional force of fire hose have been reduced, and the side-mounting ball at the gyro wheel, limit switch's abrasionproof performance has been improved, in the aspect of the journey, can be through the extension length who changes flexible post, reach the control of beating roll thickness to the fire hose, realize the purpose of the fire hose of the different length of rolling, and, limit switch is from taking the scale itself, possess the distance measurement function, the thickness of control fire hose lapping that can be accurate, need not extra dismantlement installation step, and need not the outband apart from measuring tool, convenience of customers uses.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

fig. 3 is a schematic view of the cross-sectional structure of the plane a-a of the present invention.

In the figure: the device comprises a limit switch main body 1, a fixed base plate 2, a hanging lug 3, a telescopic module 4, a fastening screw rod 41, a movable slotted hole 42, a telescopic column 43, a roller 5, a position adjusting module 6, an adjusting screw rod 61, a cylindrical block 62, a sleeve 7, a graduated scale 8, a ball 9, a spring 10, a sliding shaft 11, a limiting plate 12, a pressing plate 13, a sliding chute 14, a contact switch 15 and a groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: an anti-abrasion limit switch for a fire hose outer layer coiling device comprises a limit switch main body 1, a fixed bottom plate 2, a telescopic module 4 and a position adjusting module 6;

limit switch main part 1: the limit switch main body 1 has the same function as the limit switch main body in patent application No. 201921024856.7, the right end of the limit switch main body 1 is provided with a groove 16, the inner wall of the groove 16 is connected with a sleeve 7 in a sliding way, the inner wall of the groove 16 is provided with a sliding chute 14, the left end of the sliding chute 14 is provided with a contact switch 15, the contact switch 15 has the same function as the contact switch in patent application No. 201921024856.7, and after a pressure plate 13 presses the contact switch 15, the information is transmitted to an external singlechip, a pressing plate 13 is connected in a sliding groove 14 in a sliding way, the pressing plate 13 is connected with a sleeve 7 through a sliding shaft 11, the side surface of the sliding shaft 11 is sleeved with a spring 10, a limiting plate 12 is arranged in the groove 16, the limiting plate 12 is connected with the sliding shaft 11 in a sliding mode, the limiting plate 12 is used for limiting the displacement of the pressing plate 13, the pressing plate 13 is prevented from sliding out of the sliding groove 14, and the distance between the pressing plate 13 and the contact switch 15 is ensured to be constant in a natural state;

fixing the bottom plate 2: the fixed base plate 2 is connected with the limit switch main body 1 through the position adjusting module 6, a hanging lug 3 is installed on the side face of the fixed base plate 2, the hanging lug 3 is convenient for fixing the fixed base plate 2 on an external fire hose coiling device, the position adjusting module 6 comprises an adjusting screw 61 and a cylindrical block 62, the cylindrical block 62 is installed on the side face of the limit switch main body 1, the adjusting screw 61 is in threaded connection with the cylindrical block 62, the end part of the adjusting screw 61 is rotatably connected with the fixed base plate 2, the distance between the limit switch main body 1 and the fixed base plate 2 can be changed by rotating the four adjusting screws 61, and further the height of the roller 5 is changed, so that the roller 5 and a coiling roller on an external coiling device are in the same plane;

the telescopic module 4: the telescopic module 4 comprises a fastening screw 41, a movable slotted hole 42 and a telescopic column 43, the telescopic column 43 is positioned in the sleeve 7 and is in sliding connection with the sleeve 7, the movable slotted hole 42 is formed in the side face of the sleeve 7, the fastening screw 41 penetrates through the two movable slotted holes 42 and the telescopic column 43, the end part of the fastening screw 41 is fixed through a nut, the nut is unscrewed, the fastening screw 41 is driven to move along the movable slotted hole 42, the telescopic amount of the telescopic column 43 can be changed, the adjustment function of the coiling thickness is achieved, the telescopic module further comprises a graduated scale 8, the graduated scale 8 is arranged on the side face of the sleeve 7 and is close to the position of the movable slotted hole 42, scales are marked on the graduated scale 8, the graduated scale 8 is utilized, the thickness can be accurately adjusted, and an external measuring tool is not needed;

wherein, still include gyro wheel 5, gyro wheel 5 rotates through the right-hand member of pivot with flexible post 43 to be connected, the top of gyro wheel 5 is parallel with PMKD 2's top, roll connection between gyro wheel 5 and the fire hose skin, can reduce and the hosepipe between the frictional force, still include ball 9, spherical groove has evenly been seted up to the side of gyro wheel 5, ball 9 is located spherical groove, and with spherical groove roll connection, ball 9 is at the in-process of rolling, can roll in spherical groove, improve limit switch's abrasionproof performance and life-span of use, contact switch 15's output is connected with the input electricity of outside singlechip.

When in use: firstly, the distance needs to be measured, the fixed bottom plate 2 is fixed on external winding equipment through a bolt, the adjusting screw 61 is rotated, the limit switch main body 1 is enabled to ascend along the adjusting screw 16 until the roller 5 and a winding roller of the winding equipment are in a horizontal state, after the winding equipment is started, the roller 5 is extruded along with the increasing thickness of the fire hose, the telescopic column 43 and the sleeve 7 are further extruded, the sliding shaft 11 is driven to slide along the limiting plate 12, the pressing plate 13 is further driven to slide along the sliding groove 14, when the pressing plate 13 presses the contact switch 15, the contact of the contact switch 15 is closed, information is transmitted to an external singlechip, the external winding equipment is further controlled to stop working, the fire hose with the required thickness is obtained, when the thickness of the fire hose in a roll is changed, the nut at the end part of the fastening screw 41 is unscrewed on the basis of the original distance, the distance of moving the fastening screw 41 leftwards is equal to the, the distance of moving the fastening screw 41 rightwards is equal to the reduction of the coiling thickness, and the accurate adjustment is carried out under the assistance of the graduated scale 8, so that the function of adjusting the coiling thickness of the fire hose is achieved on the premise of not disassembling the fixed bottom plate 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a fire hose skin is beaten package and is used abrasionproof type limit switch which characterized in that: the device comprises a limit switch main body (1), a fixed bottom plate (2), a telescopic module (4) and a position adjusting module (6);

limit switch main part (1): the right end of the limit switch main body (1) is provided with a groove (16), the inner wall of the groove (16) is connected with a sleeve (7) in a sliding mode, the inner wall of the groove (16) is provided with a sliding groove (14), the left end of the sliding groove (14) is provided with a contact switch (15), the sliding groove (14) is connected with a pressing plate (13) in a sliding mode, the pressing plate (13) is connected with the sleeve (7) through a sliding shaft (11), the side face of the sliding shaft (11) is sleeved with a spring (10), a limiting plate (12) is installed in the groove (16), and the limiting plate (12) is connected with the sliding shaft (11) in a sliding;

fixed base plate (2): the fixed bottom plate (2) is connected with the limit switch main body (1) through a position adjusting module (6), and a hanging lug (3) is installed on the side surface of the fixed bottom plate (2);

expansion module (4): the telescopic module (4) comprises a fastening screw rod (41), a movable slotted hole (42) and a telescopic column (43), the telescopic column (43) is positioned in the sleeve (7) and is in sliding connection with the sleeve (7), the movable slotted hole (42) is formed in the side face of the sleeve (7), the fastening screw rod (41) penetrates through the two movable slotted holes (42) and the telescopic column (43), and the end part of the fastening screw rod (41) is fixed through a nut;

the telescopic type touch screen is characterized by further comprising a roller (5), wherein the roller (5) is rotatably connected with the right end of the telescopic column (43) through a rotating shaft, and the output end of the contact switch (15) is electrically connected with the input end of an external single chip microcomputer.

2. The anti-abrasion limit switch for the fire hose outer layer rolling device according to claim 1, wherein: the rolling device is characterized by further comprising a ball (9), wherein a spherical groove is uniformly formed in the side face of the roller (5), and the ball (9) is located in the spherical groove and is in rolling connection with the spherical groove.

3. The anti-abrasion limit switch for the fire hose outer layer rolling device according to claim 1, wherein: the top end of the roller (5) is parallel to the top end of the fixed bottom plate (2).

4. The anti-abrasion limit switch for the fire hose outer layer rolling device according to claim 1, wherein: the position adjusting module (6) comprises an adjusting screw rod (61) and a cylindrical block (62), the cylindrical block (62) is installed on the side face of the limit switch main body (1), the adjusting screw rod (61) is in threaded connection with the cylindrical block (62), and the end portion of the adjusting screw rod (61) is rotatably connected with the fixed base plate (2).

5. The anti-abrasion limit switch for the fire hose outer layer rolling device according to claim 1, wherein: still include scale (8), install in the side of sleeve (7) scale (8), and be close to removal slotted hole (42) position department, the mark has the scale on scale (8).

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