Straight stroke execution device based on angular stroke positioning

Abstract

The utility model discloses a straight stroke actuating device based on angular stroke positioning, which comprises a straight stroke actuator, an angular stroke positioner and two connecting plates, a straight rod is arranged on the straight stroke actuator, one end of the connecting plate is matched with the straight stroke actuator, and the other end of the connecting plate is matched with the angular stroke actuator. The straight rod is located between the two connecting plates, the angular travel positioner is arranged on the connecting plates, a matching block is arranged at one end of the straight rod, and a rotating shaft of the angular travel positioner is matched with the matching block in a rotating mode. The device has the following beneficial effects that the angular travel positioner is additionally arranged on the straight travel actuator, so that the opening degree of the switch valve plate can be freely adjusted, and the application scene of the switch valve is wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve auxiliary facility field especially, it relates to a straight stroke execution device based on angular stroke positioning. BACKGROUND

[0002] At present, many on-off valves adopt straight stroke actuators to control the on-off, and the straight stroke actuators control the valve plate on the on-off valve to move, but the current straight stroke actuator can only regulate the on-off state of the valve plate on the on-off valve, and cannot regulate the opening degree of the valve plate on the on-off valve, so the current straight stroke actuator is single in function when controlling the on-off valve, and cannot effectively adapt to different opening requirements. SUMMARY

[0003] The utility model discloses a straight stroke execution device based on angular stroke positioning, which adds an angular stroke positioner to the straight stroke actuator, so that the opening degree of the on-off valve plate can be freely adjusted, and the application scenarios of the on-off valve are more extensive.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A straight stroke execution device based on angular stroke positioning, comprising a straight stroke actuator, a straight rod provided on the straight stroke actuator, an angular stroke positioner and a connecting plate, the connecting plate has two ends, one end of the connecting plate is fixed with the outer wall of the straight stroke actuator, the straight rod is located between the two connecting plates, the angular stroke positioner is arranged on the connecting plate, one end of the straight rod is provided with a matching block, and the rotating shaft of the angular stroke positioner is rotationally matched with the matching block.

[0006] In the execution device, one end of the two connecting plates is fixed with the outer wall of the straight stroke actuator, the other end of the connecting plate is used for connecting and fixing with the outer wall of the on-off valve, the matching block is used for matching with the valve plate on the on-off valve, when the valve plate of the on-off valve needs to be opened, the straight stroke actuator starts to operate, at this time, the rotating shaft on the angular stroke positioner can rotate, the straight rod on the straight stroke actuator starts to operate, the straight rod on the straight stroke actuator drives the matching block (together with the valve plate) to slide, when the valve plate slides to the predetermined position, the rotating shaft on the angular stroke positioner cannot further rotate, and the rotating shaft is in a locked state, at this time, the matching block cannot further move, and at this time, the valve plate is equivalent to being in a locked state, at this time, the specific opening of the on-off valve is completed, so the device adds the angular stroke positioner to the straight stroke actuator, the opening degree of the on-off valve plate can be freely adjusted, and the application scenarios of the on-off valve are more extensive.

[0007] In the device, the connecting plate is provided with a mounting plate, and the angular stroke positioner is arranged on the mounting plate.

[0008] Optionally, the auxiliary shaft is rotatably connected with the matching block, and the linkage rod is slidably connected with the auxiliary shaft and the rotating shaft.

[0009] Optionally, the linkage rod is perpendicular to the auxiliary shaft and the rotating shaft, and the auxiliary shaft and the rotating shaft are parallel.

[0010] Optionally, a needle bearing is arranged between the auxiliary shaft and the matching block.

[0011] The needle bearing can change the direction of the auxiliary shaft and ensure that the rotating shaft on the angle stroke positioner and the auxiliary shaft are always in the same direction.

[0012] Optionally, a sliding hole is formed in the rotating shaft, the linkage rod is slidably connected with the sliding hole, and the end of the linkage rod is provided with an anti-falling nut.

[0013] Part of the linkage rod is in a cylindrical shape, the sliding hole is a circular sliding hole, and the anti-falling nut serves as a limiting part to prevent the linkage rod from completely sliding out of the linkage rod.

[0014] Optionally, a fitting plane is arranged on the rotating shaft, a flat gasket is arranged on the linkage rod, and the flat gasket is located between the fitting plane and the anti-falling nut.

[0015] When the valve plate is opened to the limit position, the fitting plane on the rotating shaft is tightly fitted with the flat gasket, and the existence of the flat gasket and the fitting plane can protect the rotating shaft and the anti-falling nut.

[0016] Optionally, the straight rod is perpendicular to the rotating shaft.

[0017] Optionally, the two connecting plates are identical in shape and size.

[0018] Optionally, the distance between the straight rod and the two connecting plates is equal.

[0019] The beneficial effects of the utility model are as follows: by additionally arranging the angle stroke positioner on the straight stroke actuator, the opening degree of the switch valve plate can be freely adjusted, and the application scenarios of the switch valve are more extensive. DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can be obtained by those skilled in the art according to these drawings.

[0021] Figure 1is a structural schematic diagram of a straight stroke execution device based on angular stroke positioning;

[0022] Figure 2 is Figure 1 is an enlarged schematic diagram at A in the figure.

[0023] The reference signs in the figures are as follows: 1, straight stroke actuator; 101, straight stroke rod; 2, angular stroke positioner; 201, rotating shaft; 2011, abutting plane; 3, valve; 4, mounting plate; 5, anti-loosening nut; 6, abutting piece; 7, linkage rod; 8, needle bearing; 9, matching block; 10, connecting plate; 11, auxiliary shaft. DETAILED DESCRIPTION

[0024] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0025] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details given herein, that the present application can be practiced with other than the described techniques, and that the present application can be practiced with different techniques, methods, and equipment than those described herein. It is therefore contemplated to this application not be limited to the specific embodiments disclosed in the following description.

[0026] In the description of the present application, it should be noted that the terms used herein are only intended to describe specific embodiments and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn in accordance with the actual proportion relationship. The techniques, methods and equipment known to those skilled in the relevant art can not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be considered as part of the authorized description. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0027] As shown in the accompanying Figure 1 and the accompanying Figure 2As shown in the figure, a kind of straight stroke execution device based on angular stroke positioning, including straight stroke actuator 1, the straight stroke actuator 1 is provided with straight rod 101, also including angular stroke positioner and connecting plate 10, connecting plate 10 has two, one end of connecting plate 10 is matched together with straight stroke actuator 1, straight rod 101 is located between two connecting plates 10, angular stroke positioner is set on connecting plate 10, one end of straight rod 101 is provided with fitting block 9, the rotating shaft 201 of angular stroke positioner is matched together with fitting block 9.

[0028] In the execution device, one end of the two connecting plates 10 is fixed with the outer wall of the straight stroke actuator 1, and the other end of the connecting plate 10 is used to connect and fix with the outer wall of the switch valve. The fitting block 9 is used to cooperate with the valve plate on the switch valve. When the valve plate needs to be opened, the straight stroke actuator 1 starts to operate. At this time, the rotating shaft 201 on the angular stroke positioner 2 can rotate, and the straight rod 101 on the straight stroke actuator 1 starts to operate. The straight rod 101 on the straight stroke actuator 1 drives the fitting block 9 (together with the valve plate) to slide. When the valve plate slides to the predetermined position, the rotating shaft 201 on the angular stroke positioner cannot rotate further, and the rotating shaft 201 is in a locked state. At this time, the fitting block 9 cannot move further, and the valve plate is equivalent to being locked. At this time, the opening of the switch valve to a certain extent is completed. Therefore, by adding the angular stroke positioner 2 to the straight stroke actuator 1, the opening degree of the valve plate can be freely adjusted, and the application scene of the switch valve is more extensive.

[0029] In the specific device, the mounting plate 4 is provided on the connecting plate 10, and the angular stroke positioner is provided on the mounting plate 4.

[0030] As shown in the figure Figure 1 and the figure Figure 2 It also includes an auxiliary shaft 11 and a linkage rod 7. The auxiliary shaft 11 is rotatably connected with the fitting block 9. One end of the linkage rod 7 is fixedly connected with the auxiliary shaft 11, and the other end of the linkage rod 7 is slidably connected with the rotating shaft 201.

[0031] As shown in the figure Figure 1 and the figure Figure 2 The linkage rod 7 is perpendicular to the auxiliary shaft 11 and the rotating shaft 201, and the auxiliary shaft 11 and the rotating shaft 201 are in parallel.

[0032] As shown in the figure Figure 1 and the figure Figure 2 The auxiliary shaft 11 and the fitting block 9 are provided with a needle bearing 8.

[0033] The needle bearing 8 can ensure that the auxiliary shaft 11 can change direction, and ensure that the auxiliary shaft 11 and the rotating shaft 201 on the angular stroke positioner are always in the same direction.

[0034] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings

[0035] Part of the linkage rod 7 is cylindrical, and the sliding hole is a circular sliding hole. The function of the anti-loosening nut 5 is to limit the position of the linkage rod 7 and prevent the linkage rod 7 from completely sliding off the linkage rod 7.

[0036] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings

[0037] When the valve plate is opened to the limit position, the fitting plane 2011 on the rotating shaft 201 is tightly attached to the flat washer, and the existence of the flat washer and the fitting plane 2011 can protect the rotating shaft 201 and the anti-loosening nut 5.

[0038] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings

[0039] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings

[0040] As shown in the accompanying drawings Figure 1 and the accompanying drawings Figure 2 As shown in the accompanying drawings

[0041] The above-described embodiments only express some embodiments of the present application, which are described in more detail and in more detail, but should not be understood as limiting the scope of the present application. It should be noted that for those skilled in the art, the technical solutions recorded in the above embodiments can be modified, or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A straight stroke execution device based on angular stroke positioning, comprising a straight stroke executor, a straight stroke rod is arranged on the straight stroke executor, characterized in that, The application further comprises an angle stroke positioner and two connecting plates, one end of the connecting plates is matched with the straight stroke actuator, the straight stroke rod is located between the two connecting plates, the angle stroke positioner is arranged on the connecting plates, one end of the straight stroke rod is provided with a matching block, the pivot of the angle stroke positioner is rotationally matched with the matching block.

2. A linear stroke execution device based on angular stroke positioning according to claim 1, characterized in that The application further comprises an auxiliary shaft and a linkage rod, one end of the linkage rod is fixedly matched with the auxiliary shaft, the other end of the linkage rod is slidably matched with the pivot.

3. A linear stroke actuator based on angular stroke positioning according to claim 2, characterized in that The linkage rod is perpendicular to the auxiliary shaft and the pivot, and the auxiliary shaft and the pivot are in parallel.

4. A linear stroke actuator based on angular stroke positioning according to claim 2, characterized in that A needle bearing is arranged between the auxiliary shaft and the matching block.

5. A linear stroke actuator based on angular stroke positioning according to claim 2, characterized in that The pivot is provided with a sliding hole, the linkage rod is slidably matched with the sliding hole, and the linkage rod is provided with an anti-loosening nut at one end.

6. A linear stroke actuator based on angular stroke positioning according to claim 5, characterized in that The pivot is provided with a matching plane, a flat gasket is sleeved on the linkage rod, and the flat gasket is located between the matching plane and the anti-loosening nut.

7. A linear stroke actuator based on angular stroke positioning according to claim 1, characterized in that The straight stroke rod is perpendicular to the pivot.

8. A linear stroke actuator based on angular stroke positioning according to claim 1, characterized in that The two connecting plates are identical in shape and size.

9. A linear stroke actuator based on angular stroke positioning according to claim 8, characterized in that The distance between the straight stroke rod and the two connecting plates is equal.

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