CN211957516U

CN211957516U - Pull switch

Info

Publication number: CN211957516U
Application number: CN202020249061.2U
Authority: CN
Inventors: 张强
Original assignee: Xi'an Hongsheng Machinery And Electronic Technology Co ltd
Current assignee: Xi'an Hongsheng Machinery And Electronic Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-11-17
Anticipated expiration: 2030-03-04

Abstract

The utility model discloses a stay cord switch, including the body, be equipped with emergency switch on the body, body upper end middle part fixed connection mount, mount upper end fixed connection protection shield, the flexible piece of emergency switch upper end fixed connection, the interior fixed connection spring of flexible piece, spring lower extreme fixed connection emergency switch, the first protection groove of the equal fixed connection in body rear end both sides, the utility model discloses the beneficial effect who reaches is: through the protection shield that sets up, the mount, spring and flexible block structure can protect emergency switch, and flexible piece prevents goods or staff from not bumping the accident that the switch leads to the whole line of supply line to shut down with the protection shield co-altitude setting, through the first guard slot that sets up, first limiting plate, the second limiting plate, the apparatus further comprises a rotating shaft, connecting block and screw hole structure can be convenient for the fixed of stay cord switch body, the trouble of the fixed unstable or fixed too simple unable effectual fixed of body is risen to the transport belt edge has been avoided.

Description

Pull switch

Technical Field

The utility model relates to a stay switch technical field specifically is a stay switch.

Background

The pull-cord switch is commonly called an emergency stop switch. When the belt conveyor needs to be stopped when acting on a belt conveying field, the conveyor is stopped through the switch action, and the pull-cord switch is a necessary safety protection device of the belt conveyor, so that the serious loss caused by the expansion of accidents is prevented. The pull rope switches are arranged on the machine frames on the two sides of the belt conveyor, and the switches are connected by steel wire ropes along the two sides of the belt conveyor. When the conveyer belt equipment has an emergency accident, the steel wire rope is pulled at any position along the line on the site, the steel wire rope pulls the driving arm to rotate, the transmission shaft drives the torsion spring to enable the precision cam to displace, and the micro switch is driven to cut off the control circuit, so that the conveyer stops running.

The existing pull-cord switches are all loaded on one side of the belt conveyor, goods on the belt conveyor easily roll on the conveyor belt due to height or irregular goods, so that the goods easily touch buttons of the pull-cord switches, the whole line of the belt conveyor stops, and the heavier goods can damage the pull-cord switches to enable the pull-cord switches to work normally.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stay cord switch to the goods that proposes in solving above-mentioned background art on the belt conveyor is very easy because high or anomalous goods roll on the conveyor belt, makes the very easy button that touches the stay cord switch of goods, leads to the whole line of belt conveyor to stop, and heavier goods can cause the damage to the stay cord switch and make the unable normal operating problem of stay cord switch.

In order to achieve the above object, the utility model provides a following technical scheme: a pull-cord switch comprises a body, an emergency switch is arranged on the body, a fixed frame is fixedly connected with the middle part of the upper end of the body, the upper end of the fixing frame is fixedly connected with a protection plate, the upper end of the emergency switch is fixedly connected with a telescopic block, a spring is fixedly connected in the telescopic block, the lower end of the spring is fixedly connected with an emergency switch, both sides of the rear end of the body are fixedly connected with a first protection groove, a first chute is arranged in the first protection groove and is connected with a first limit plate in a sliding way, one end of the first limit plate is fixedly connected with a rotating shaft, two ends of the rotating shaft are fixedly connected with connecting blocks, the lower ends of a pair of the connecting blocks are fixedly connected with a second limit plate, one side of the body is fixedly connected with a second protection groove, a second sliding groove is arranged in the second protection groove, the second sliding groove is connected with the fixed frame in a sliding mode, and clamping plates are fixedly connected to two sides of the upper end of the fixed frame.

Preferably, the emergency switch is located in the middle of the fixing frame, the protection plate is provided with a round hole, and the height of the telescopic block in the initial state is the same as the height of the protection plate.

Preferably, a first protection pad of first protection inslot wall fixed connection, the smooth pad of the equal fixed connection of first protection inslot both sides wall, first limiting plate is close to the first baffle of first protection groove one end fixed connection, first baffle and first spout looks adaptation.

Preferably, the first limiting plate is provided with a plurality of first threaded holes, and the second limiting plate is provided with a plurality of second threaded holes.

Preferably, a second protection pad is fixedly connected in the second protection groove, third threaded holes are formed in two sides of the second protection groove and are in threaded connection with a threaded rod, and a handle is fixedly connected to one end of the threaded rod.

Preferably, the fixing frame is fixedly connected with a protective net.

Compared with the prior art, the utility model has simple and practical structure,

1. can protect emergency switch through protection shield, mount, spring and the flexible piece structure that sets up to flexible piece prevents the accident that goods or staff do not bump the switch and lead to the whole line of transportation line to stop transport with the protection shield co-altitude setting.

2. Through the first protection groove, first limiting plate, second limiting plate, pivot, connecting block and the screw hole structure that sets up can be convenient for the fixed of stay cord switch body, avoided the conveyer belt edge to drawing the fixed unstable or fixed unable effectual fixed trouble of simply of body.

3. Through the second protection groove that sets up, fixed frame, protection network structure can play fine protection effect to the stay cord switch body, prevent that the goods from colliding the stay cord switch and causing the injury to it, perhaps hits the emergency switch button and leads to unable the use.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a rear view of the structure of the present invention;

FIG. 3 is a schematic diagram of a second limiting plate structure of the present invention;

FIG. 4 is a schematic view of the fixing frame of the present invention;

FIG. 5 is a schematic sectional view of a second protection groove structure of the present invention;

fig. 6 is an enlarged view of the structure a of the present invention.

In the figure: 1. a body; 2. an emergency switch; 3. a protection plate; 4. a fixed mount; 5. a telescopic block; 6. a spring; 7. a first protection groove; 8. a first chute; 9. a first protection pad; 10. a slide pad; 11. a first limit plate; 12. a first baffle plate; 13. a first threaded hole; 14. a second limiting plate; 15. a second threaded hole; 16. connecting blocks; 17. a rotating shaft; 18. a second protection groove; 19. a fixing frame; 20. clamping a plate; 21. a second protection pad; 22. a second chute; 23. turning a handle; 24. a threaded rod; 25. a third threaded hole; 26. and (4) a protective net.

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. 1-6, the present invention provides a technical solution: a pull switch comprises a body 1, an emergency switch 2 is arranged on the body 1, a fixed frame 4 is fixedly connected with the middle part of the upper end of the body 1, a protective plate 3 is fixedly connected with the upper end of the fixed frame 4, an expansion block 5 is fixedly connected with the upper end of the emergency switch 2, a spring 6 is fixedly connected in the expansion block 5, the lower end of the spring 6 is fixedly connected with the emergency switch 2, the emergency switch can be protected by the arrangement of the protective plate, the fixed frame, the spring and the expansion block 5, the expansion block 5 and the protective plate 3 are arranged at the same height to prevent the accident of full-line shutdown of a transport line caused by goods or workers not touching the switch, both sides of the rear end of the body 1 are fixedly connected with a first protective groove 7, a first chute 8 is arranged in the first protective groove 7, the first chute 8 is slidably connected with a first limiting plate 11, one end of the first, 16 lower extreme fixed connection second limiting plate 14 of a pair of connecting block, through the first protection groove 7 that sets up, first limiting plate 11, second limiting plate 14, pivot 17, connecting block 16, second screw hole 15 and first screw hole 13 structure can be convenient for the fixed of stay cord switch body, the trouble of fixed unstable or fixed too simple unable effectual fixed of transportation area edge to pulling the body has been avoided, 1 one side fixed connection second protection groove 18 of body, be equipped with second spout 22 in the second protection groove 18, the fixed frame 19 of second spout 22 sliding connection, the equal fixed connection cardboard 20 in fixed frame 19 upper end both sides, can play fine protection effect to the stay cord switch body through the second protection groove 18 and the fixed frame 19 structure that set up, prevent that the goods from colliding the stay cord switch and causing the injury to it, perhaps hit the emergency switch button and lead to unable use.

The fixing frame 19 is fixedly connected with a protective net 26, the protective net 26 can effectively resist the collision of goods and prevent the goods from colliding and damaging the pull-cord switch, the first limiting plate 11 is provided with a plurality of first threaded holes 13, the second limiting plate 14 is provided with a plurality of second threaded holes 15, the first threaded holes 13 and the second threaded holes 15 are convenient for fixing the pull-cord switch body through screws, the emergency switch 2 is positioned in the middle of the fixing frame 4, the protecting plate 3 is provided with a round hole, the height of the telescopic block 5 in the initial state is the same as that of the protecting plate 3, the stop accident of a transport line caused by the fact that a worker or the goods touch the emergency switch 2 is prevented, the second protecting groove 18 is fixedly connected with a second protecting pad 21, the two sides of the second protecting groove 18 are both provided with third threaded holes 25, the third threaded holes 25 are in threaded connection with threaded rods 24, one end of the threaded, can drive threaded rod 24 and rotate, carry out the rotatory threaded rod 24 of messenger to fixed frame 19 of screw thread with third screw hole 25 and carry out fixed centre gripping, the first protection pad 9 of 7 inner wall fixed connection in first protection groove, first protection pad 9 protects fixed frame 19 bottom, the equal fixed connection sliding pad 10 of both sides wall in 7 interior both sides of first protection groove, sliding pad 10 plays the effect to the protection of 11 both ends of first limiting plate, first limiting plate 11 is close to the first baffle 12 of 7 one end fixed connection in first protection groove, first baffle 12 plays spacing effect, prevent the first protection groove 7 of 11 roll-offs of first afternoon inner panel, first baffle 12 and 8 looks adaptations of first spout.

When the pull-cord switch is used, the pull-cord switch is placed beside a conveyor belt to be installed, after the pull-cord switch is installed, the first limiting plate 11 is pulled out of the first protective groove 7 by pulling the first limiting plate 11, the second limiting plate 14 is rotated through the rotating shaft 17, the first threaded hole 13 and the second threaded hole 15 in the first limiting plate 11 and the second limiting plate 14 are in threaded connection through screws, so that the pull-cord switch is fixed, the first protective groove 7, the first limiting plate 11, the second limiting plate 14, the rotating shaft 17, the connecting block 16 and the threaded hole structure which are arranged are convenient for fixing the pull-cord switch body, the trouble that the fixing of the edge of the conveyor belt to the pull-up body is unstable or too simple to fix the pull-up body is avoided, the fixing frame 19 is pulled out of the second protective groove 18 by pulling the fixing frame 19, and the rotating handle 23 is rotated, can drive threaded rod 24 and rotate, carry out the rotatory centre gripping that makes threaded rod 24 carry out fixed frame 19 of screw thread with third screw hole 25, second protection groove 18 through the setting, fixed frame 19, protection network 26 structure can play fine protection effect to the stay cord switch body, prevent that the goods from colliding the stay cord switch and leading to the fact the injury to it, perhaps crash emergency switch button and lead to unable use, the protection shield 3 of setting, mount 4, spring 6 and 5 structures of flexible piece can protect emergency switch, and flexible piece 5 and 3 looks co-altitude settings of protection shield prevent that goods or staff from not bumping the accident that the switch leads to the whole line of transportation stopping transport.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, 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 therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

1. The pull switch comprises a body (1) and is characterized in that an emergency switch (2) is arranged on the body (1), a fixing frame (4) is fixedly connected to the middle of the upper end of the body (1), a protection plate (3) is fixedly connected to the upper end of the fixing frame (4), a telescopic block (5) is fixedly connected to the upper end of the emergency switch (2), a spring (6) is fixedly connected to the inner side of the telescopic block (5), the lower end of the spring (6) is fixedly connected with the emergency switch (2), first protection grooves (7) are fixedly connected to both sides of the rear end of the body (1), first sliding grooves (8) are formed in the first protection grooves (7), the first sliding grooves (8) are slidably connected with first limiting plates (11), one ends of the first limiting plates (11) are fixedly connected with a rotating shaft (17), connecting blocks (16) are fixedly connected to both ends of the rotating shaft (17), and a pair of connecting blocks (16) are fixedly, body (1) one side fixed connection second protection groove (18), be equipped with second spout (22) in second protection groove (18), fixed frame (19) of second spout (22) sliding connection, fixed frame (19) upper end both sides equal fixed connection cardboard (20).

2. A pull-cord switch according to claim 1, wherein: the emergency switch (2) is located in the middle of the inside of the fixing frame (4), the protection plate (3) is provided with a round hole, and the height of the telescopic block (5) in the initial state is the same as that of the protection plate (3).

3. A pull-cord switch according to claim 1, wherein: first protection groove (7) inner wall fixed connection first protection pad (9), the equal fixed connection sliding pad of both sides wall (10) in first protection groove (7), first limiting plate (11) are close to first protection groove (7) one end fixed connection first baffle (12), first baffle (12) and first spout (8) looks adaptation.

4. A pull-cord switch according to claim 1, wherein: the first limiting plate (11) is provided with a plurality of first threaded holes (13), and the second limiting plate (14) is provided with a plurality of second threaded holes (15).

5. A pull-cord switch according to claim 1, wherein: fixed connection second protection pad (21) in second protection groove (18), second protection groove (18) both sides all are equipped with third screw hole (25), third screw hole (25) threaded connection threaded rod (24), threaded rod (24) one end fixed connection changes (23).

6. A cord switch according to claim 1, characterized in that a protective net (26) is fixedly connected to the fixing frame (19).