Pipeline switching device

Abstract

The utility model relates to the technical field of pipeline switching, in particular to a pipeline switching device which comprises a valve body, the valve body is connected with a supporting plate in a rotating mode, and a rotating mechanism is installed on one side of the supporting plate in a rotating mode. The first air cylinder pushes the guide shaft to slide in the guide groove of the guide plate, the guide shaft drives the double connecting rods, one ends of the double connecting rods drive the connecting shaft to rotate in the bearing, and the supporting plate rotates along with rotation of the connecting shaft, so that the purpose that the supporting plate can switch channels is achieved; when power and gas are cut off, the supporting force of the second air cylinder on the positioning rod is reduced, the elastic force of the spring continues to support the positioning rod to abut against the positioning ring, the supporting plate cannot rotate, and therefore the purpose that the supporting plate cannot move or deform is achieved. The problem that when the switching valve is powered off and gas is cut off, the supporting plate is prone to displacement, and consequently thrown objects block or enter a pipeline mistakenly is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline switching technical field, specifically a pipeline switching device. BACKGROUND

[0002] It is known that the vertical switching valve is used in the pipeline switching field, and the object is put into the switching valve from the upper pipeline, the switching valve is turned over in advance to make the object enter the left or right pipeline below the switching valve, so that the function of controlling the object to enter different pipelines is realized. The vertical switching valve is commonly used for the pipeline of the hospital inpatient building, the hotel building, the restaurant building and the like to put garbage bags and clothing bags. The vertical switching valve can effectively classify the objects, such as dry and wet garbage bags; the vertical switching valve can effectively improve the efficiency, such as the garbage can on one side of the pipeline is full, and the object can be immediately switched to the other side of the pipeline for putting, without waiting for the garbage can to be replaced, so that the object can continue to be put, and the staff can wait for two garbage cans to be full, and then the objects are collectively processed, so that the efficiency is improved. The vertical switching valve has been widely applied in some countries and regions to solve the problem of general pipeline switching.

[0003] However, the existing vertical switching valve has a complex structure, and there are certain deficiencies in use. In the current application scene, the sudden power failure and gas failure are not considered, and after a long time, the supporting plate inside the switching valve is displaced under the influence of gravity, which easily leads to the object being put into the wrong pipeline, and a large amount of manual and manpower is needed to correct it. UTILITY MODEL CONTENT

[0004] In order to make up for the deficiencies of the prior art, the supporting plate of the switching valve is easily displaced under the condition of power failure and gas failure, which leads to the problem of object blockage or wrong pipeline, and the utility model provides a pipeline switching device.

[0005] The technical scheme adopted by the utility model to solve the technical problems is: a pipeline switching device, including a valve body, the valve body inner cavity is rotationally connected with a supporting plate, the supporting plate side is rotationally installed with a rotating mechanism, the valve body front is movably installed with a check mechanism, and the valve body two sides are movably installed with an access hole sealing plate.

[0006] The rotating mechanism comprises a guide plate, a guide groove is formed in the inner cavity of the guide plate, a guide shaft is slidably connected in the inner cavity of the guide groove, a first air cylinder is fixedly connected to one end of the guide shaft, a double connecting rod is rotatably connected to the outer wall of the guide shaft, a bearing is fixedly connected to the outer wall of the valve body, a connecting shaft is rotatably connected in the inner cavity of the bearing, one end of the connecting shaft is fixedly connected to one side of a supporting plate, the other end of the connecting shaft is fixedly connected to one end of the double connecting rod, the non-return mechanism comprises a fixing sleeve, a positioning rod is slidably connected in the inner cavity of the fixing sleeve, positioning rings are fixedly connected to the front face of the supporting plate at both ends, the positioning rings and the positioning rod are limited in position in cooperation, springs are fixedly connected in the inner cavity of the fixing sleeve, one end of the springs is fixedly connected to the side wall of the positioning rod, and a second air cylinder is fixedly connected to one end of the positioning rod.

[0007] Preferably, the valve body is fixedly connected with a fixing seat at the front face, the first air cylinder is fixedly connected to one side of the fixing seat, and the guide plate is fixedly connected to one end of the fixing seat.

[0008] Preferably, the fixing sleeve is fixedly connected to the front face of the valve body, and the second air cylinder is fixedly connected to one end of the fixing sleeve.

[0009] Preferably, a sliding groove is formed in the side wall of the fixing sleeve, a sliding block is slidably connected in the inner cavity of the sliding groove, and the sliding block is fixedly connected to one end of the positioning rod.

[0010] Preferably, a rotating handle is rotatably connected to the back face of the valve body, and the rotating handle is fixedly connected to one side of the supporting plate at the rotating end.

[0011] Preferably, a clamping block is fixedly connected to one side of the access hole sealing plate, a pull ring is rotatably connected to one side of the valve body, and the pull ring is clamped in position in cooperation with the clamping block.

[0012] Preferably, a fixing plate is fixedly connected to one side of the valve body, a pull plate is rotatably connected to one side of the fixing plate, a limiting shaft is rotatably connected to the middle part of the pull plate, and the pull ring is fixedly connected to the end part of the limiting shaft.

[0013] The utility model discloses the advantages are as follows:

[0014] The utility model discloses a first cylinder promotes the sliding of guiding axle in the guide groove of guide plate, and guiding axle drives double connecting rod, and one end of double connecting rod drives the rotation of connecting axle in bearing, and the rotation of supporting plate follows the rotation of connecting axle, thereby reach the purpose that supporting plate can switch channel, and the cooperation of positioning ring on the side of supporting plate and positioning rod limits, and positioning rod inserts into the supporting plate of positioning ring and can not move, when the power failure and gas failure, the supporting force of second cylinder to positioning rod reduces, and the elasticity of spring continues to support positioning rod and resists positioning ring, and the supporting plate can not rotate, thereby reach the purpose that supporting plate can not produce displacement and deformation, and after manual pulling back positioning rod and compressing spring, and canceling the limitation of positioning ring to positioning rod, can utilize the manual adjustment of rotary handle pipeline switching, and thereby reach the effect that supporting plate can be stably used under the condition of power failure and gas failure of pipeline switching device, and solve the problem that supporting plate is easy to produce displacement and causes the blockage or wrong pipeline of throwing object under the condition of power failure and gas failure of switching valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, below will be to the drawing needed to use in the embodiment or prior art description simple introduction, obviously, below description in the drawing is only some embodiments of the utility model, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.

[0016] Figure 1 It is the structural schematic diagram of the front of the utility model;

[0017] Figure 2 It is the structural schematic diagram of the back of the utility model;

[0018] Figure 3 It is the structural schematic diagram of the side of the utility model;

[0019] Figure 4 It is the structural schematic diagram of the utility model Figure 2 A part of the utility model;

[0020] Figure 5 It is the structural schematic diagram of the utility model Figure 3 B part of the utility model.

[0021] In the drawing: 1, valve body;2, supporting plate;21, rotary handle;3, rotation mechanism;31, guide plate;32, guide groove;33, guiding axle;34, double connecting rod;35, first cylinder;36, bearing;37, connecting axle;38, fixed seat;4, check mechanism;41, fixed sleeve;42, positioning rod;43, positioning ring;44, spring;45, second cylinder;46, sliding slot;47, sliding block;5, access hole sealing plate;51, clamping block;52, pull ring;53, fixed plate;54, pull plate;55, limiting shaft. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] The drawings will be described below in conjunction with the embodiments of the utility model. Figures 1-5 The application will be further described in detail,

[0024] The embodiments of the application disclose a pipeline switching device. Referring to Figures 1-5 A pipeline switching device comprises a valve body 1, a supporting plate 2 is rotationally connected in the inner cavity of the valve body 1, a rotating mechanism 3 is rotationally installed on one side of the supporting plate 2, a check mechanism 4 is movably installed on the front of the valve body 1, and a maintenance opening sealing plate 5 is movably installed on both sides of the valve body 1. The supporting plate 2 is driven to rotate by the rotating mechanism 3 to realize the pipeline switching effect of two pipelines below the valve body 1. The check mechanism 4 cooperates with the supporting plate 2 to stably hover when the pipelines are switched, so that the supporting plate 2 can still be stably supported in the case of power failure and gas failure. The maintenance opening sealing plate 5 is convenient to open and close, and the pipeline switching device is convenient to maintain.

[0025] The rotating mechanism 3 comprises a guide plate 31, a guide groove 32 is formed in the inner cavity of the guide plate 31, a guide shaft 33 is slidably connected in the guide groove 32, the first cylinder 35 is fixedly connected to one end of the guide shaft 33, the double connecting rod 34 is rotatably connected to the outer wall of the guide shaft 33, the bearing 36 is fixedly connected to the outer wall of the valve body 1, the connecting shaft 37 is rotatably connected in the inner cavity of the bearing 36, one end of the connecting shaft 37 is fixedly connected to one side of the supporting plate 2, the other end of the connecting shaft 37 is fixedly connected to one end of the double connecting rod 34, the check mechanism 4 comprises a fixed sleeve 41, the positioning rod 42 is slidably connected in the inner cavity of the fixed sleeve 41, the positioning ring 43 is fixedly connected to the front ends of the supporting plate 2, the positioning ring 43 is limited in position in cooperation with the positioning rod 42, the spring 44 is fixedly connected in the inner cavity of the fixed sleeve 41, one end of the spring 44 is fixedly connected to the side wall of the positioning rod 42, the second cylinder 45 is fixedly connected to one end of the positioning rod 42, the guide groove 32 is reciprocally slid in the guide groove 32 of the guide plate 31 by the first cylinder 35, the connecting shaft 37 is rotated by the double connecting rod 34, the connecting shaft 37 is stably rotated in the bearing 36, so that the supporting plate 2 is rotated with the connecting shaft 37, when the guide shaft 33 slides to one end of the guide groove 32, the positioning ring 43 on the supporting plate 2 is clamped in position in cooperation with the positioning rod 42, so that the supporting plate 2 is suspended, at this time, one side of the pipeline is communicated, and the other side of the pipeline is closed, the positioning rod 42 is slid in the inner cavity of the fixed sleeve 41 in cooperation with the second cylinder 45, so that the positioning rod 42 is clamped in position in cooperation with the positioning ring 43, when the power supply and the gas supply are interrupted, the first cylinder 35 and the second cylinder 45 are both disabled, the spring 44 continues to clamp the positioning ring 43 by resisting the positioning rod 42, so that the supporting plate 2 can be stably suspended.

[0026] With reference to Figure 3 and Figure 5 , the fixed seat 38 is fixedly connected to the front of the valve body 1, the first cylinder 35 is fixedly connected to one side of the fixed seat 38, the guide plate 31 is fixedly connected to one end of the fixed seat 38, the fixed sleeve 41 is fixedly connected to the front of the valve body 1, the second cylinder 45 is fixedly connected to one end of the fixed sleeve 41, the guide shaft 33 is driven by the telescopic shaft of the first cylinder 35 on the fixed seat 38, so that the guide shaft 33 can be stably reciprocally slid in the guide groove 32 of the guide plate 31, the positioning rod 42 is slid in the inner cavity of the fixed sleeve 41 by the second cylinder 45 on the fixed sleeve 41, so that the positioning rod 42 is clamped in position in cooperation with the positioning ring 43.

[0027] With reference to Figure 2 and Figure 3The side wall of the fixing sleeve 41 is provided with a sliding groove 46, the sliding groove 46 is slidably connected with a sliding block 47, the sliding block 47 is fixedly connected with one end of the positioning rod 42, the back of the valve body 1 is rotatably connected with a rotating handle 21, the rotating end of the rotating handle 21 is fixedly connected with one side of the supporting plate 2, when the power and gas are cut off, the spring 44 abuts against the positioning rod 42, the positioning rod 42 is stably clamped in the inner cavity of the positioning ring 43, so that the supporting plate 2 is stably suspended, the sliding block 47 is slid in the sliding groove 46 and drives the positioning rod 42 to slide in the fixing sleeve 41, the positioning rod 42 stretches the spring 44, so that the positioning rod 42 is separated from the positioning ring 43, and the rotating handle 21 can be manually used to drive the supporting plate 2 to rotate and switch the pipeline, thereby improving the stability of the supporting plate 2 in use under the condition that the power and gas are cut off.

[0028] With reference to Figure 1 , Figure 2 and Figure 4 , one side of the access hole sealing plate 5 is fixedly connected with a clamping block 51, one side of the valve body 1 is rotatably connected with a pull ring 52, the pull ring 52 is clamped with the clamping block 51, one fixed side of the valve body 1 is fixedly connected with a fixed plate 53, one side of the fixed plate 53 is rotatably connected with a pull plate 54, the middle of the pull plate 54 is rotatably connected with a limiting shaft 55, the pull ring 52 is fixedly connected with the end of the limiting shaft 55, the pull ring 52 is stably clamped with the clamping block 51, the pull plate 54 is pushed to rotate on the fixed plate 53, the pull plate 54 drives the limiting shaft 55 to rotate, the limiting shaft 55 drives the pull ring 52 to separate from the clamping block 51, so that the access hole sealing plate 5 can be disassembled, thereby facilitating the maintenance of the inside of the valve body 1.

[0029] Working principle: During use, the rotating mechanism 3, in conjunction with the support plate 2, switches pipelines, allowing the valve body 1 to easily switch pipelines. The first cylinder 35 on the fixed seat 38 pushes the guide shaft 33 to slide within the guide groove 32 of the guide plate 31. The guide shaft 33, through the double connecting rod 34, drives the connecting shaft 37 to rotate within the bearing 36. The support plate 2 follows the rotation of the connecting shaft 37, thus achieving the effect of switching pipelines. When the guide shaft 33 slides to one end of the guide groove 32, the check mechanism 4, in conjunction with the support plate 2, stabilizes it. The second cylinder 45 pushes the positioning rod 42 to slide within the inner cavity of the fixed sleeve 41 and engage with the inner cavity of the positioning ring 43, allowing the support plate 2 to stabilize and preventing power and gas outages. The spring 44 continues to press against the positioning rod 42, so that the positioning rod 42 stably locks the positioning ring 43. At the same time, it pushes the slider 47 to slide in the groove 46. The positioning rod 42 moves with the slider 47 and stretches the spring 44. The positioning rod 42 removes its limit on the positioning ring 43. The manual pipeline switching can be performed by rotating the handle 21, which improves the stability of pipeline switching in the event of power failure or gas failure and prevents objects from blocking or entering the wrong pipeline. The pull plate 54 is pushed to rotate on the fixed plate 53. The pull plate 54 drives the limit shaft 55 to rotate. The limit shaft 55 pushes the pull ring 52 to separate from the locking block 51, so that the inspection port sealing plate 5 can be easily disassembled, thereby improving the convenience of valve body 1 maintenance.

[0030] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A pipeline switching device, characterized in that: Includes a valve body (1), a support plate (2) is rotatably connected to the inner cavity of the valve body (1), a rotating mechanism (3) is rotatably installed on one side of the support plate (2), a check mechanism (4) is movably installed on the front of the valve body (1), and a maintenance port sealing plate (5) is movably installed on both sides of the valve body (1). The rotating mechanism (3) includes a guide plate (31), the inner cavity of which is provided with a guide groove (32). A guide shaft (33) is slidably connected to the inner cavity of the guide groove (32). A first cylinder (35) is fixedly connected to one end of the guide shaft (33). A double connecting rod (34) is rotatably connected to the outer wall of the guide shaft (33). A bearing (36) is fixedly connected to the outer wall of the valve body (1). A connecting shaft (37) is rotatably connected to the inner cavity of the bearing (36). One end of the connecting shaft (37) is fixedly connected to one side of the support plate (2). The other end of the shaft (37) is fixedly connected to one end of the double connecting rod (34). The check mechanism (4) includes a fixed sleeve (41). A positioning rod (42) is slidably connected to the inner cavity of the fixed sleeve (41). Positioning rings (43) are fixedly connected to both ends of the front of the support plate (2). The positioning rings (43) and the positioning rod (42) cooperate to limit the movement. A spring (44) is fixedly connected to the inner cavity of the fixed sleeve (41). One end of the spring (44) is fixedly connected to the side wall of the positioning rod (42). A second cylinder (45) is fixedly connected to one end of the positioning rod (42).

2. The pipeline switching device according to claim 1, characterized in that: The valve body (1) is fixedly connected to a fixed seat (38) on the front side. The first cylinder (35) is fixedly connected to one side of the fixed seat (38), and the guide plate (31) is fixedly connected to one end of the fixed seat (38).

3. The pipeline switching device according to claim 1, characterized in that: The fixing sleeve (41) is fixedly connected to the front of the valve body (1), and the second cylinder (45) is fixedly connected to one end of the fixing sleeve (41).

4. A pipeline switching device according to claim 1, characterized in that: The side wall of the fixed sleeve (41) is provided with a sliding groove (46), and a slider (47) is slidably connected to the inner cavity of the sliding groove (46). The slider (47) is fixedly connected to one end of the positioning rod (42).

5. A pipeline switching device according to claim 1, characterized in that: The valve body (1) is rotatably connected to a rotating handle (21) on its back side, and the rotating end of the rotating handle (21) is fixedly connected to one side of the tray (2).

6. A pipeline switching device according to claim 1, characterized in that: A locking block (51) is fixedly connected to one side of the inspection port sealing plate (5), and a pull ring (52) is rotatably connected to one side of the valve body (1). The pull ring (52) cooperates with the locking block (51) to lock in place.

7. A pipeline switching device according to claim 6, characterized in that: A fixing plate (53) is fixedly connected to one side of the valve body (1), and a pull plate (54) is rotatably connected to one side of the fixing plate (53). A limit shaft (55) is rotatably connected to the middle of the pull plate (54), and the pull ring (52) is fixedly connected to the end of the limit shaft (55).

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