Telescopic valve handle

Abstract

The utility model discloses a telescopic valve handle which comprises a first handle and a second handle, sliding grooves and circular grooves are formed in the two sides of the first handle, the circular grooves are connected to the tail ends of the sliding grooves, the first handle can be inserted into a containing groove of the second handle, and a pair of lug parts is arranged at the end, close to the first handle, of the second handle. Sliding blocks in sliding fit with the sliding grooves are arranged on the inner surfaces of the lug parts, and the sliding blocks can rotate in the circular grooves. According to the telescopic handle, when the sliding block is located in the sliding groove, the second handle can move in the length direction of the first handle so that the second handle can stretch out and draw back, when the sliding block is located in the circular groove, the second handle can be turned over or folded, and at the moment, the length of the telescopic handle reaches the minimum length of the first handle; and the telescopic handle can be driven to rotate through the overturned second handle in a narrow space, so that the operation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of valve accessories, in particular to a retractable valve handle. Background Art

[0002] Valves are control components in fluid delivery systems and have functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion or overflow pressure relief. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. The handle is one of the indispensable accessories on the valve.

[0003] The length of existing handles is fixed, but some pipelines are placed very close to the wall due to environmental restrictions during their laying. If the handle is too long, it will not be able to rotate. Therefore, corresponding improvements are made to address this problem. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a retractable valve handle.

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

[0006] A retractable valve handle comprises a first handle and a second handle, wherein a slide groove and a circular groove are provided on both sides of the first handle, the circular groove is connected to the end of the slide groove, the first handle can be inserted into the receiving groove of the second handle, and a pair of ears are provided at one end of the second handle close to the first handle, and a slider that forms a sliding fit with the slide groove is provided on the inner surface of the ear, and the slider can rotate in the circular groove.

[0007] Preferably, the top end of the second handle is provided with a threaded tube integrally formed therewith, and the inner thread of the threaded tube is connected to a knob whose bottom end can be pressed tightly onto the first handle.

[0008] Preferably, a positioning hole is formed at one end of the first handle adjacent to the second handle, and a positioning column capable of being inserted into the positioning hole is fixed in the receiving groove.

[0009] Preferably, a first spring is sleeved on the positioning column, one end of the first spring can be against the first handle, and the other end of the first spring is fixedly connected to the second handle.

[0010] Preferably, the slide groove passes through the first handle at one end adjacent to the second handle, and a pair of L-shaped slots are provided on the first handle near the second handle, the slots are communicated with the slide groove, and a plug plate elastically connected to the first handle is inserted in the slot, and a lever located in the top outlet of the slot is fixed on the top of the plug plate.

[0011] Preferably, a second spring is fixed to the inner end of the plug plate, and the other end of the second spring is fixed to the inner wall of the slot.

[0012] The beneficial effects of the utility model are:

[0013] 1. The device is provided with a first handle and a second handle. When the slider is located in the slide groove, the second handle can be moved along the length direction of the first handle so that it can be extended and retracted. When the slider is located in the circular groove, the second handle can be flipped or folded. At this time, the length of the telescopic handle reaches a minimum of the length of the first handle, and the flipped second handle can be used to drive the telescopic handle to rotate in a narrow space, which is more convenient.

[0014] 2. The device is provided with a knob. When the telescopic handle is adjusted to a suitable length, the knob is turned so that the knob is pressed against the first handle, thereby fixing the telescopic handle at this length.

[0015] 3. The device is provided with a first spring. If the telescopic handle is restricted by only one wall during rotation, when the telescopic handle approaches the wall, the second handle can be controlled by hand to retract toward the first handle. When the telescopic handle is rotated back to its original position, the second handle can be automatically pushed back by the first spring, thereby further improving operability.

[0016] 4. The device is provided with an insert plate. When installing the second handle, first push the insert plate back into the slot through the lever, then insert the slider from one end of the slide slot opening, and finally release the lever. The insert plate enters the slide slot under the action of elastic force, thus completing the installation of the second handle. The insert plate can prevent the slider from detaching from the slide slot, making it easy to disassemble and assemble. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a retractable valve handle after extension proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the disassembly structure of a retractable valve handle proposed by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of a retractable valve handle after folding proposed by the utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of a retractable valve handle proposed by the utility model;

[0021] Figure 5 For this utility model Figure 4 A schematic diagram of the enlarged structure of a proposed retractable valve handle at position A;

[0022] Figure 6 The utility model is a schematic diagram of a plug plate installation structure of a retractable valve handle.

[0023] In the figure: 1. first handle; 2. second handle; 3. ear; 4. slider; 5. slide groove; 6. round groove; 7. receiving groove; 8. threaded tube; 9. knob; 10. positioning hole; 11. positioning column; 12. first spring; 13. slot; 14. plug plate; 15. lever; 16. second spring. DETAILED DESCRIPTION

[0024] 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 of the embodiments.

[0025] Reference Figure 1-6 A retractable valve handle comprises a first handle 1 and a second handle 2. A slide groove 5 and a circular groove 6 are provided on both sides of the first handle 1. The circular groove 6 is connected to the end of the slide groove 5. The first handle 1 can be inserted into the accommodating groove 7 of the second handle 2. The second handle 2 is provided with a pair of ears 3 at one end close to the first handle 1. The inner surface of the ear 3 is provided with a slider 4 that forms a sliding fit with the slide groove 5. The slider 4 can rotate in the circular groove 6. When the slider 4 is located in the slide groove 5, the second handle 2 can be moved along the length direction of the first handle 1 so that it can be retracted. When the slider 4 is located in the circular groove 6, the second handle 2 can be flipped or folded. At this time, the length of the telescopic handle reaches a minimum of the length of the first handle 1, and the telescopic handle can be driven to rotate by the flipped second handle 2 in a narrow space, which is more convenient.

[0026] Furthermore, the top of the second handle 2 is provided with a threaded tube 8 integrally formed therewith, and the inner thread of the threaded tube 8 is connected to a knob 9 at the bottom which can be pressed against the first handle 1. When the telescopic handle is adjusted to a suitable length, the knob 9 is rotated so that the knob 9 is pressed against the first handle 1, thereby fixing the telescopic handle at this length.

[0027] Furthermore, a positioning hole 10 is formed at one end of the first handle 1 adjacent to the second handle 2, and a positioning column 11 capable of being inserted into the positioning hole 10 is fixed in the accommodating groove 7, so that when the second handle 2 is subjected to pressure in the up and down directions and during normal rotation, the positioning column 11 and the slider 4 can jointly bear the force, thereby improving the strength of the second handle 2 and making it less likely to deform at the connection with the first handle 1.

[0028] Furthermore, a first spring 12 is sleeved on the positioning column 11, one end of the first spring 12 can be against the first handle 1, and the other end is fixedly connected to the second handle 2. If the telescopic handle is only restricted by one wall during rotation, then when the telescopic handle approaches the wall, the second handle 2 can be controlled by hand to retract toward the first handle 1, and when the telescopic handle is rotated back to its original position, the second handle 2 can be automatically pushed back by the first spring 12, thereby further improving operability.

[0029] Furthermore, one end of the slide groove 5 adjacent to the second handle 2 passes through the first handle 1, and a pair of L-shaped slots 13 are opened on the first handle 1 near the second handle 2. The slots 13 are communicated with the slide groove 5, and a plug plate 14 elastically connected to the first handle 1 is inserted in the slot 13. A lever 15 located in the top outlet of the slot 13 is fixed to the top of the plug plate 14. When installing the second handle 2, the plug plate 14 is first pushed back into the slot 13 by the lever 15, and then the slider 4 is inserted from one end of the slide groove 5 opening, and finally the lever 15 is released, and the plug plate 14 enters the slide groove 5 under the action of elastic force, thereby completing the installation of the second handle 2. The plug plate 14 can prevent the slider 4 from detaching from the slide groove 5, thereby facilitating its disassembly and assembly.

[0030] Furthermore, a second spring 16 is fixed to the inner end of the plug plate 14 , and the other end of the second spring 16 is fixed to the inner wall of the slot 13 , so that an elastic connection can be formed between the plug plate 14 and the first handle 1 through the second spring 16 .

[0031] Working principle: When the slider 4 is located in the slide groove 5, the second handle 2 can be moved along the length direction of the first handle 1, so that it can be extended and retracted. When the slider 4 is located in the circular groove 6, the second handle 2 can be flipped or folded. At this time, the length of the telescopic handle reaches the minimum length of the first handle 1, and the flipped second handle 2 can be used to drive the telescopic handle to rotate in a small space, which is more convenient.

[0032] When the telescopic handle is adjusted to a suitable length, the knob 9 is turned so that the knob 9 is pressed against the first handle 1, thereby fixing the telescopic handle at this length;

[0033] If the telescopic handle is restricted by only one wall during rotation, when the telescopic handle is close to the wall, the second handle 2 can be manually controlled to retract toward the first handle 1, and when the telescopic handle is rotated back to its original position, the second handle 2 can be automatically pushed back by the first spring 12, thereby further improving operability;

[0034] When installing the second handle 2, first push the plug plate 14 back into the slot 13 through the lever 15, then insert the slider 4 from the open end of the slide groove 5, and finally release the lever 15. The plug plate 14 enters the slide groove 5 under the action of elastic force, thus completing the installation of the second handle 2. The plug plate 14 can prevent the slider 4 from detaching from the slide groove 5, thereby facilitating its disassembly and assembly.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A retractable valve handle, comprising a first handle (1) and a second handle (2), characterized in that: The first handle (1) is provided with a slide groove (5) and a circular groove (6) on both sides. The circular groove (6) is connected to the end of the slide groove (5). The first handle (1) can be inserted into the receiving groove (7) of the second handle (2). The second handle (2) is provided with a pair of ears (3) at one end close to the first handle (1). The inner surface of the ear (3) is provided with a slider (4) which forms a sliding fit with the slide groove (5). The slider (4) can rotate in the circular groove (6).

2. A retractable valve handle according to claim 1, characterized in that: The top end of the second handle (2) is provided with a threaded tube (8) integrally formed therewith, and the threaded tube (8) is internally threadedly connected to a knob (9) at the bottom end which can be pressed tightly onto the first handle (1).

3. A retractable valve handle according to claim 1, characterized in that: A positioning hole (10) is formed at one end of the first handle (1) adjacent to the second handle (2), and a positioning column (11) capable of being inserted into the positioning hole (10) is fixed in the receiving groove (7).

4. A retractable valve handle according to claim 3, characterized in that: A first spring (12) is sleeved on the positioning column (11); one end of the first spring (12) can abut against the first handle (1), and the other end is fixedly connected to the second handle (2).

5. The retractable valve handle according to claim 1, characterized in that: The end of the slide groove (5) adjacent to the second handle (2) passes through the first handle (1); a pair of L-shaped slots (13) are provided on the first handle (1) near the second handle (2); the slots (13) are communicated with the slide groove (5); a plug plate (14) elastically connected to the first handle (1) is inserted in the slot (13); a lever (15) located in a top outlet of the slot (13) is fixed on the top of the plug plate (14).

6. A retractable valve handle according to claim 5, characterized in that: A second spring (16) is fixed to the inner end of the insert plate (14), and the other end of the second spring (16) is fixed to the inner wall of the slot (13).

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