Folding telescopic valve opening and closing handle

Abstract

The utility model belongs to the field of valves, particularly relates to a folding telescopic valve opening and closing handle, and aims to solve the problems that an existing handle is large in size and easy to touch by mistake. The connecting seat is in key connection with a valve core of the valve main body; the connecting sleeve is in key connection with the surface of the connecting seat; the hinge seat is integrally processed on the side surface of the connecting sleeve; the sliding cylinder pipe is hinged to the inner side of the hinge seat; the anti-skid sleeve is connected to the surface of the sliding cylinder pipe in a sliding manner; the fixing assembly is connected with the valve main body, and the fixing assembly is used for fixing the valve main body; the telescopic assembly comprises a chain, a small chain wheel and a transmission gear, a foldable structure is adopted, the anti-skid sleeve can be driven to move through transmission of the structure in the folding process, the anti-skid sleeve is made to slide and stretch out and draw back on the sliding cylinder pipe, and therefore the size of the whole handle is reduced, and mistaken touch is not likely to happen.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a foldable and telescopic valve opening and closing handle. Background Art

[0002] A valve is required for transporting various liquids and gases, and a valve opening and closing handle needs to be provided on the valve. A Chinese patent document with publication number CN117145984A discloses a valve.

[0003] However, the resistance to valve rotation in the above technical solution is relatively large, and a large-sized handle is required. However, the large-sized handle is relatively large in overall size, requires more space, and is easily accidentally turned, thus affecting the safety of the valve. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that the handle is large in size and easily touched by mistake, and proposes a foldable and telescopic valve opening and closing handle.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A foldable and telescopic valve opening and closing handle, comprising

[0007] Valve body;

[0008] Connecting seat, the connecting seat key is connected to the valve core of the valve body;

[0009] A connecting sleeve, the connecting sleeve is key-connected to the surface of the connecting seat;

[0010] Articulated seat, the articulated seat is integrally processed on the side of the connecting sleeve;

[0011] A slide tube, the slide tube being hinged to the inner side of the hinge seat;

[0012] An anti-slip sleeve, the anti-slip sleeve is slidably connected to the surface of the slide tube;

[0013] A fixing assembly connected to the valve body, the fixing assembly being used to fix the valve body;

[0014] The telescopic assembly includes a chain, a small sprocket and a transmission gear. The inner part of the chain meshes with the teeth of the small sprocket. The axis of the small sprocket is connected to the top key of the transmission gear. The axis of the transmission gear is rotatably connected to the inner part of the slide tube. The teeth of the transmission gear mesh with the teeth on the inner side of the anti-slip sleeve.

[0015] The transmission mechanism is connected with the chain, and is used for driving the anti-skid sleeve to move.

[0016] As a preferred scheme of the utility model, the transmission mechanism includes a rotating shaft, a main bevel gear, a secondary bevel gear and a main sprocket, the rotating shaft penetrates the hole of the sliding cylinder pipe at the right side and is connected with the hole of the hinge seat, the rotating shaft is connected with the main bevel gear, the teeth of the main bevel gear are engaged with the teeth of the secondary bevel gear, the top of the secondary bevel gear is connected with the shaft center of the main sprocket, the teeth of the main sprocket are engaged with the inner side of the chain, in the folding process, the rotating shaft is fixed by the hinge seat, the rotating shaft can drive the secondary bevel gear to rotate through the main bevel gear, the secondary bevel gear can be driven to rotate by the main bevel gear, the main sprocket can drive the chain to rotate.

[0017] As a preferred scheme of the utility model, the shaft center of the secondary bevel gear is rotatably connected with the inner side of the sliding cylinder pipe, the chain is located in the inside of the sliding cylinder pipe, the secondary bevel gear is rotatably arranged with the sliding cylinder pipe through the bearing, the stability of the rotation of the secondary bevel gear is guaranteed, and the rotation of the chain is facilitated.

[0018] As a preferred scheme of the utility model, the fixing assembly includes a fixing disc, a fixing rod and a mounting disc, the bottom of the valve body is bolted with the top of the fixing disc, the bottom of the fixing disc is integrally processed with the top end of the fixing rod, and the bottom end of the fixing rod is integrally processed with the top of the mounting disc, the bottom of the valve body is fixed with the top of the fixing disc, and the fixing disc can install the mounting disc through the fixing rod.

[0019] As a preferred scheme of the utility model, the top of the mounting disc is provided with mounting holes, the mounting holes are four, and the mounting holes are used for inserting bolts for fixing.

[0020] As a preferred scheme of the utility model, the anti-skid sleeve includes a rubber sleeve and a sliding sleeve, the rubber sleeve is adhered to the surface of the sliding sleeve, the sliding sleeve is slidably connected with the surface of the sliding cylinder pipe, the rubber sleeve is used for anti-skid, the sliding sleeve adopts a hard material sleeve, and a built-in rack structure is arranged.

[0021] Beneficial effects:

[0022] 1. The combination of the hinge seat and the sliding cylinder pipe facilitates the rotation and folding of the sliding cylinder pipe, so that the sliding cylinder pipe can be folded on the top of the connecting sleeve, and the occupied space is reduced.

[0023] 2. When the sliding cylinder pipe is rotated, the transmission mechanism can drive the small sprocket to rotate through the chain, and the small sprocket can drive the anti-skid sleeve to slide and stretch on the sliding cylinder pipe through the transmission gear.

[0024] In the utility model: the application adopts a foldable structure, during the folding process, the anti-slip sleeve can be driven to move through the transmission of the structure, allowing the anti-slip sleeve to slide and retract on the slide tube, thereby reducing the size of the entire handle and not easily causing accidental touch. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a three-dimensional diagram of the main body of the utility model;

[0026] Figure 2 This is a three-dimensional diagram of the chain of the present utility model;

[0027] Figure 3 This is a three-dimensional diagram of the anti-slip cover of the utility model;

[0028] Figure 4 It is a three-dimensional diagram of the slide tube of the present utility model.

[0029] In the figure: 1. Valve body; 2. Connecting seat; 3. Connecting sleeve; 4. Articulated seat; 5. Slide tube; 6. Anti-slip sleeve; 7. Rotating shaft; 8. Main bevel gear; 9. Secondary bevel gear; 10. Main sprocket; 11. Chain; 12. Small sprocket; 13. Transmission gear; 14. Fixed plate; 15. Fixed rod; 16. Mounting plate; 17. Mounting hole. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0031] Example

[0032] Reference Figures 1-4 , a foldable and telescopic valve opening and closing handle, comprising

[0033] Valve body 1;

[0034] Connecting seat 2, connecting seat 2 is key-connected to the valve core of valve body 1;

[0035] The connecting sleeve 3 is key-connected to the surface of the connecting seat 2;

[0036] The hinge seat 4 is integrally machined on the side surface of the connecting sleeve 3;

[0037] The slide tube 5 is hinged to the inner side of the hinge seat 4;

[0038] An anti-slip sleeve 6 is slidably connected to the surface of the slide tube 5;

[0039] A fixing assembly is connected to the valve body 1 and is used to fix the valve body 1;

[0040] The telescopic assembly includes a chain 11, a small sprocket 12, and a transmission gear 13. The interior of the chain 11 meshes with the teeth of the small sprocket 12. The axis of the small sprocket 12 is connected to the top key of the transmission gear 13. The axis of the transmission gear 13 is rotatably connected to the interior of the slide tube 5. The teeth of the transmission gear 13 mesh with the teeth on the inside of the anti-slip sleeve 6.

[0041] The transmission mechanism is connected to the chain 11 and is used to drive the anti-slip sleeve 6 to move.

[0042] By means of the above structure: a foldable structure is adopted, during the folding process, the anti-slip sleeve 6 can be driven to move through the transmission of the structure, allowing the anti-slip sleeve 6 to slide and retract on the slide tube 5, thereby reducing the size of the entire handle and not easily causing accidental touch.

[0043] See also Figure 2 The transmission mechanism includes a rotating shaft 7, a main bevel gear 8, a secondary bevel gear 9 and a main sprocket 10. The right side of the rotating shaft 7 passes through the hole of the slide tube 5 and is keyed to the hole of the hinge seat 4. The rotating shaft 7 is keyed to the main bevel gear 8, and the teeth of the main bevel gear 8 are meshed with the teeth of the secondary bevel gear 9. The top of the secondary bevel gear 9 is keyed to the axis of the main sprocket 10, and the teeth of the main sprocket 10 are meshed with the inner side of the chain 11. During the folding process, the rotating shaft 7 is fixed by the hinge seat 4. The rotating shaft 7 can drive the secondary bevel gear 9 to rotate through the main bevel gear 8, so that the secondary bevel gear 9 can be driven to rotate by the main bevel gear 8, the secondary bevel gear 9 can drive the main sprocket 10 to rotate, and the main sprocket 10 can drive the chain 11 to rotate.

[0044] See also Figure 3 The axis of the secondary bevel gear 9 is rotatably connected to the inner side of the slide tube 5, and the chain 11 is located inside the slide tube 5. The secondary bevel gear 9 is rotatably arranged with the slide tube 5 through the bearing to ensure the stability of the rotation of the secondary bevel gear 9 and facilitate the rotation of the chain 11.

[0045] See also Figure 1 The fixing assembly includes a fixing plate 14, a fixing rod 15 and a mounting plate 16. The bottom of the valve body 1 is connected to the top of the fixing plate 14 by bolts. The bottom of the fixing plate 14 and the top of the fixing rod 15 are integrally processed. The bottom end of the fixing rod 15 and the top of the mounting plate 16 are integrally processed. The bottom of the valve body 1 is fixed to the top of the fixing plate 14. The fixing plate 14 can be installed and fixed to the mounting plate 16 through the fixing rod 15.

[0046] See also Figure 1 The top of the mounting plate 16 is provided with mounting holes 17 , and four mounting holes 17 are provided for inserting bolts for fixing.

[0047] See also Figure 4The anti-slip sleeve 6 includes a rubber sleeve and a sliding sleeve. The rubber sleeve is bonded to the surface of the sliding sleeve. The sliding sleeve is slidably connected to the surface of the slide tube 5. The rubber sleeve is used for anti-slip. The sliding sleeve is made of a hard material and has a built-in rack structure.

[0048] The operating steps of the present utility model are as follows: the bottom of the valve body 1 is fixed to the top of the fixed disk 14, and the fixed disk 14 can be installed with the fixed mounting disk 16 through the fixing rod 15, and the anti-slip sleeve 6 can be directly rotated, and the anti-slip sleeve 6 can drive the slide tube 5 to rotate, and the slide tube 5 can be folded in the hinge seat 4. During the folding process, the rotating shaft 7 is fixed by the hinge seat 4, and the rotating shaft 7 can drive the secondary bevel gear 9 to rotate through the main bevel gear 8, so that the secondary bevel gear 9 can be driven by the main bevel gear 8 to rotate, and the secondary bevel gear 9 can drive the main sprocket 10 to rotate, and the main sprocket 10 can drive the chain 11 to rotate, and the chain 11 can drive the small sprocket 12 to rotate. The size of the main sprocket 10 is larger than the size of the small sprocket 12, which can produce an acceleration effect on the small sprocket 12, and the small sprocket 12 can drive the transmission gear 13 to rotate, and the transmission gear 13 can drive the anti-slip sleeve 6 to move, and the anti-slip sleeve 6 can slide and retract on the slide tube 5.

[0049] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A foldable and telescopic valve opening and closing handle, characterized in that: include Valve body (1); A connecting seat (2) is key-connected to the valve core of the valve body (1); A connecting sleeve (3) is key-connected to the surface of the connecting seat (2); An articulated seat (4), the articulated seat (4) is integrally processed on the side surface of the connecting sleeve (3); A slide tube (5) is hinged to the inner side of the hinge seat (4); An anti-slip sleeve (6) is slidably connected to the surface of the slide tube (5); A fixing assembly connected to the valve body (1), the fixing assembly being used to fix the valve body (1); The telescopic assembly includes a chain (11), a small sprocket (12) and a transmission gear (13), the interior of the chain (11) is meshed with the teeth of the small sprocket (12), the axis of the small sprocket (12) is connected to the top key of the transmission gear (13), the axis of the transmission gear (13) is rotatably connected to the interior of the slide tube (5), and the teeth of the transmission gear (13) are meshed with the teeth on the inner side of the anti-slip sleeve (6); A transmission mechanism is connected to the chain (11), and the transmission mechanism is used to drive the anti-slip sleeve (6) to move.

2. A foldable and telescopic valve opening and closing handle according to claim 1, characterized in that: The transmission mechanism comprises a rotating shaft (7), a main bevel gear (8), a secondary bevel gear (9) and a main sprocket (10); the right side of the rotating shaft (7) passes through the hole of the slide tube (5) and is key-connected with the hole of the hinge seat (4); the rotating shaft (7) is key-connected with the main bevel gear (8); the teeth of the main bevel gear (8) are meshed with the teeth of the secondary bevel gear (9); the top of the secondary bevel gear (9) is key-connected with the axis of the main sprocket (10); the teeth of the main sprocket (10) are meshed with the inner side of the chain (11).

3. A foldable and telescopic valve opening and closing handle according to claim 2, characterized in that: The axis of the secondary bevel gear (9) is rotatably connected to the inner side of the slide tube (5), and the chain (11) is located inside the slide tube (5).

4. The foldable and telescopic valve opening and closing handle according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (14), a fixing rod (15) and a mounting plate (16); the bottom of the valve body (1) is connected to the top of the fixing plate (14) by bolts; the bottom of the fixing plate (14) and the top of the fixing rod (15) are integrally processed; and the bottom end of the fixing rod (15) and the top of the mounting plate (16) are integrally processed.

5. The foldable and telescopic valve opening and closing handle according to claim 4, characterized in that: The top of the mounting plate (16) is provided with mounting holes (17), and four mounting holes (17) are provided.

6. The foldable and telescopic valve opening and closing handle according to claim 1, characterized in that: The anti-slip sleeve (6) comprises a rubber sleeve and a sliding sleeve, the rubber sleeve is bonded to the surface of the sliding sleeve, and the sliding sleeve is slidably connected to the surface of the slide tube (5).

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