CN219606067U - Gate valve with self-locking protection structure - Google Patents

Abstract

The utility model discloses a gate valve with a self-locking protection structure, which belongs to the technical field of gate valves and comprises a water inlet pipe and a water outlet pipe, wherein flanges are fixedly arranged at two ends of the water inlet pipe and the water outlet pipe, a water storage pipe is fixedly arranged at the joint of the water inlet pipe and the water outlet pipe, a limiting mechanism for controlling water flow is rotatably arranged on the water storage pipe, two symmetrically arranged connecting rods are fixedly arranged on the peripheral surface of the top end of the water storage pipe, a threaded cap is fixedly arranged between the two connecting rods, a threaded rod is connected onto the threaded cap, a cavity is formed in the water storage pipe arranged at the joint of the water inlet pipe and the water outlet pipe through the water storage pipe arranged at the joint of the water inlet pipe and the water outlet pipe, the threaded rod fixedly connected with the hand wheel is rotated when the gate valve is used, the threaded rod is controlled to lift by rotating the hand wheel, the function of controlling water flow to enter and exit by the threaded rod is realized, the occurrence of false touch caused by a single rod of the traditional gate valve is avoided, and the operation and control of workers is facilitated.

Description

Gate valve with self-locking protection structure

Technical Field

The utility model belongs to the technical field of gate valves, and particularly relates to a gate valve with a self-locking protection structure.

Background

The gate valve is a control device for controlling the flow of pipeline fluid, an operator generally drives a valve rod to rotate through a hand wheel structure at the top, and then drives a flashboard to vertically movably adjust through the threads of the valve rod, so that the purposes of communicating and cutting off the pipeline are achieved, and the circulation of the fluid in the pipeline is flexibly adjusted.

When the existing gate valve is used, in order to facilitate operation, the top end of the gate valve is driven by the rotary shaft to rotate through the rotary disc, the existing gate valve also adopts a movable rod and other structures to facilitate control force application of operators, but a longer rod body structure protrudes outwards, corresponding limiting protection is lacking in ordinary times, the protruding control structure is prone to error touch and other conditions, and extra loss is prone to being caused by error operation.

Therefore, we propose a gate valve with a self-locking protection structure to solve the above problems.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, in order to facilitate operation, the top end of the gate valve is driven by a rotating shaft through a rotating disc, and the existing gate valve adopts a movable rod and other structures to facilitate the control and force application of operators, but a longer rod body structure protrudes outside, and the corresponding limiting protection is lacking in ordinary times, the protruding control structure is easy to cause the conditions of false touch and the like, and the extra loss is easy to cause due to the false operation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a gate valve with auto-lock protective structure, includes inlet tube and outlet pipe, fixedly is provided with the flange on the both ends of inlet tube and outlet pipe, just fixedly is provided with the aqua storage tube on the junction of inlet tube and outlet pipe, rotate on the aqua storage tube and be provided with the stop gear that control rivers flow, fixedly is provided with the connecting rod that two symmetries set up on the aqua storage tube top global, two fixedly is provided with the screw cap between the connecting rod, just screw connection has a threaded rod on the screw cap, just fixedly is provided with on the other end of threaded rod and is used for controlling threaded rod pivoted hand wheel.

Preferably, connectors are fixedly arranged at two ends of the water inlet pipe and the water outlet pipe, and the connectors are fixedly connected with the water inlet pipe and the water outlet pipe.

Preferably, the limiting mechanism comprises a cavity arranged in the water storage pipe, a water outlet is arranged at the bottom end of the cavity, the water outlet is connected with the water outlet pipe, a blocking rod is slidably arranged in the water storage pipe, and a transmission structure is arranged between the blocking rod and the threaded rod.

Preferably, the transmission structure comprises two brackets fixedly arranged on the side wall of the water storage pipe, a shaft body is rotatably arranged between the two brackets, a limit rod is rotatably arranged on the shaft body, and the limit rod is slidably connected with the blocking rod.

Preferably, the diameter of the blocking rod is equal to the diameter of the water outlet.

Preferably, an anti-slip layer is sleeved on the outer peripheral surface of the hand wheel.

In summary, the technical effects and advantages of the present utility model are: this gate valve with auto-lock protective structure is through setting up the aqua storage tube in inlet tube and outlet pipe junction to set up the cavity in the aqua storage tube, realized when using the gate valve, rotate the hand wheel make with the hand wheel between fixed connection's threaded rod rotate, make threaded rod control choking bar go up and down, realize the function of control rivers business turn over, avoided traditional gate valve single rod to appear the condition that the mistake touched to appear, make things convenient for staff operation control.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model.

In the figure: 1. a water inlet pipe; 2. a water outlet pipe; 3. a water storage pipe; 4. a connecting rod; 5. a threaded cap; 6. a threaded rod; 7. a hand wheel; 8. a connector; 9. a cavity; 10. a water outlet; 11. a blocking rod; 12. a bracket; 13. a shaft body; 14. a limit rod; 15. and (3) a flange.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The embodiment of the utility model solves the problems that in the prior art, partial gate valves adopt movable rods and other structures to facilitate the control and force application of operators, but longer rod structures are protruded outside, corresponding limiting protection is lacking in normal times, false touch and other conditions are easy to occur in the protruded control structures, and additional loss is easy to occur due to false operation.

In order to better understand the above technical solutions, the following description will refer to the drawings and specific embodiments.

Referring to fig. 1, a gate valve with a self-locking protection structure comprises a water inlet pipe 1 and a water outlet pipe 2, wherein flanges 15 are fixedly arranged at two ends of the water inlet pipe 1 and the water outlet pipe 2.

Referring to fig. 1-2, connectors 8 are fixedly arranged at two ends of the water inlet pipe 1 and the water outlet pipe 2, the connectors 8 are fixedly connected with the water inlet pipe 1 and the water outlet pipe 2, when the connectors 8 arranged on the water inlet pipe 1 and the water outlet pipe 2 are assembled and used, the connectors 8 are connected with the water pipe, and then the connectors 8 are connected with the water inlet pipe 1 and the water outlet pipe 2, so that the operation is simple and convenient.

And the water storage pipe 3 is fixedly arranged at the joint of the water inlet pipe 1 and the water outlet pipe 2, and a limiting mechanism for controlling the flow of water is rotatably arranged on the water storage pipe 3.

Referring to fig. 1-2, the limiting mechanism comprises a cavity 9 arranged in the water storage pipe 3, a water outlet 10 is arranged at the bottom end of the cavity 9, the water outlet 10 is connected with the water outlet pipe 2, a blocking rod 11 is arranged in the water storage pipe 3 in a sliding manner, a transmission structure is arranged between the blocking rod 11 and the threaded rod 6, when a gate valve is connected, water flows from the water inlet pipe 1 to the cavity 9 through the cavity 9 arranged in the water storage pipe 3, the threaded rod 6 is rotated to enable the blocking rod 11 in threaded connection with the threaded rod 6 to lift, and the control of the water flow is realized.

The connecting rod 4 that two symmetries set up is fixed to be provided with on the outer peripheral face of aqua storage tube 3 top, is fixed to be provided with screw cap 5 between two connecting rods 4, and threaded connection has a threaded rod 6 on the screw cap 5, and is fixed to be provided with on the other end of threaded rod 6 and is used for controlling threaded rod 6 pivoted hand wheel 7.

Referring to fig. 1, the transmission structure comprises two brackets 12 fixedly arranged on the side wall of the water storage pipe 3, a shaft body 13 is rotatably arranged between the two brackets 12, a limit rod 14 is rotatably arranged on the shaft body 13, the limit rod 14 is slidably connected with the blocking rod 11, a hand wheel 7 is rotated to enable a threaded rod 6 fixedly connected with the hand wheel 7 to rotate, so that lifting of the blocking rod 11 is controlled, and lifting length of the blocking rod 11 is limited through the limit rod 14.

Referring to fig. 1-2, the diameter of the blocking rod 11 is equal to that of the water outlet 10, and the blocking rod 11 can start the effect of blocking water flow when in use by arranging the diameter of the blocking rod 11, so as to control the outflow of water flow.

Referring to fig. 1-2, the outer peripheral surface of the hand wheel 7 is sleeved with an anti-slip layer, friction force between the hand wheel 7 and the palm of a worker is increased through the anti-slip layer, slipping in the use process is avoided, and the use safety of the gate valve is ensured.

Working principle:

when using this device, earlier with fixed connection between the connector 8 on water pipe and the device, the intercommunication water source is through setting up the aqua storage tube 3 in inlet tube 1 and outlet pipe 2 junction to set up cavity 9 in aqua storage tube 3, realized when using the gate valve, rotate the hand wheel 7 make with hand wheel 7 between fixed connection's threaded rod 6 rotate, make threaded rod 6 control choking bar 11 go up and down, realize the function of control rivers business turn over, avoided traditional gate valve single pole to appear that the condition of touching by mistake appears, make things convenient for staff operation control.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a gate valve with auto-lock protective structure, includes inlet tube (1) and outlet pipe (2), its characterized in that, fixedly on the both ends of inlet tube (1) and outlet pipe (2) be provided with flange (15), just fixedly on the junction of inlet tube (1) and outlet pipe (2) be provided with aqua storage tube (3), rotate on aqua storage tube (3) and be provided with the stop gear that control rivers flow, fixedly on aqua storage tube (3) top global connecting rod (4) that are provided with two symmetries and set up, two fixedly be provided with screw cap (5) between connecting rod (4), just screw cap (5) go up threaded connection has a threaded rod (6), just fixedly on the other end of threaded rod (6) be provided with be used for controlling threaded rod (6) pivoted hand wheel (7).

2. The gate valve with the self-locking protection structure according to claim 1, wherein connectors (8) are fixedly arranged at two ends of the water inlet pipe (1) and the water outlet pipe (2), and the connectors (8) are fixedly connected with the water inlet pipe (1) and the water outlet pipe (2).

3. The gate valve with the self-locking protection structure according to claim 1, wherein the limiting mechanism comprises a cavity (9) formed in the water storage pipe (3), a water outlet (10) is formed in the bottom end of the cavity (9), the water outlet (10) is connected with the water outlet pipe (2), a blocking rod (11) is slidably arranged in the water storage pipe (3), and a transmission structure is arranged between the blocking rod (11) and the threaded rod (6).

4. A gate valve with self-locking protection structure according to claim 3, characterized in that the transmission structure comprises two brackets (12) fixedly arranged on the side wall of the water storage pipe (3), a shaft body (13) is rotatably arranged between the two brackets (12), a limit rod (14) is rotatably arranged on the shaft body (13), and the limit rod (14) is slidably connected with the blocking rod (11).

5. A gate valve with self-locking protection structure according to claim 4, characterized in that the diameter of the blocking rod (11) is equal to the diameter of the water outlet (10).

6. The gate valve with the self-locking protection structure according to claim 1, wherein an anti-slip layer is sleeved on the outer peripheral surface of the hand wheel (7).