A straight sleeve

Abstract

The utility model discloses a straight sleeve, comprising a valve adjusting rod and a connecting sleeve, wherein the connecting sleeve is elastically slidably sleeved on the outside of the valve adjusting rod through a spring, a guide groove is arranged on the outside of the valve adjusting rod, and the outer walls of the valve adjusting rod at both ends of the guide groove are also provided with a first limiting groove and a second limiting groove, a limiting protrusion is arranged on the inner wall of the connecting sleeve, and the limiting protrusions are slidably arranged with the guide groove, the first limiting groove and the second limiting groove, an adjusting wheel is installed at one end of the connecting sleeve, the second limiting groove is arranged as an annular groove, and the guide groove and the first limiting groove are integrally arranged as an L-shaped groove. In the utility model, since the connecting sleeve is elastically slidably sleeved on the outside of the valve adjusting rod through a spring, a limiting groove, a guide groove and a limiting protrusion, the stability of the sliding connection between the connecting sleeve and the valve adjusting rod is higher, and the position of the limiting protrusions in different limiting grooves is adjusted to adjust the use state of the valve adjusting rod.

Description

Technical Field

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

[0002] At present, there are many switch valves on the oil and gas storage and transportation pipelines in the petroleum and chemical fields. In order to facilitate the opening and closing of the valve, a valve handwheel is provided on the valve. The valve can be opened and closed by turning the valve handwheel. In order to facilitate the rotation of the valve handwheel, an F wrench is often used to clamp the edge of the valve handwheel to increase the torque of the valve handwheel rotation. In the process of valve assembly, a straight sleeve is required to connect the valve stem and the adjusting handwheel.

[0003] A valve wrench that is easy to use with application number 201920347193.6 in the prior art relates to the technical field related to valve auxiliary tools. A valve wrench that is easy to use, comprising a clamping claw, wherein the clamping claw is multiple and the multiple clamping claws are arranged in a straight line, and the valve wrench also comprises a straight sleeve, wherein the top of the straight sleeve is provided with a fixing groove, and the bottom of the straight sleeve is connected to the clamping claw. The beneficial effect of the utility model is that it can solve the problem that the existing valve wrench has a single function and is inconvenient to use, and it has strong versatility and low production and use costs. However, the use state of the valve stem cannot be adjusted by moving and adjusting the straight sleeve, and the structural strength of the sleeve is average. Utility Model Content

[0004] The utility model aims to provide a straight sleeve to solve the problem that the use state of the valve stem cannot be adjusted by moving and adjusting the straight sleeve in the prior art, and the structural strength of the sleeve is generally poor.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a straight sleeve, comprising a valve adjusting rod and a connecting sleeve, the connecting sleeve is elastically slidably sleeved on the outside of the valve adjusting rod through a spring, a guide groove is provided on the outside of the valve adjusting rod, and the outer wall of the valve adjusting rod at both ends of the guide groove is also provided with a first limit groove and a second limit groove, the inner wall of the connecting sleeve is provided with a limit protrusion, and the limit protrusions are slidably arranged with the guide groove, the first limit groove and the second limit groove, and an adjusting wheel is installed at one end of the connecting sleeve.

[0006] Furthermore, the second limiting groove is configured as an annular groove, and the guide groove and the first limiting groove are integrally configured as an L-shaped groove.

[0007] Furthermore, a connection between the guide groove and the first limiting groove is chamfered, and a connection between the guide groove and the second limiting groove is chamfered.

[0008] Furthermore, a positioning column is provided at one end of the connecting sleeve, and one end of the positioning column passes through a positioning hole in the middle of the adjusting wheel, and one end of the positioning column is connected and fixed by a gasket and a positioning nut.

[0009] Furthermore, the connecting sleeve is provided with reinforcing ribs inside, and a plurality of the reinforcing ribs are provided in a ring array.

[0010] Furthermore, the reinforcing rib protrudes from the connecting sleeve, and a positioning groove cooperating with the reinforcing rib is provided on one side of the adjusting wheel.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. In the utility model, since the connecting sleeve is elastically slidably sleeved on the outside of the valve adjusting rod by means of a spring, a limiting groove, a guide groove and a limiting protrusion, the sliding connection between the connecting sleeve and the valve adjusting rod has high stability, and the position of the limiting protrusion in different limiting grooves is adjusted to adjust the use state of the valve adjusting rod. When the limiting protrusion is stuck in the second limiting groove, since the second limiting groove is an annular groove, the adjusting wheel can be rotated and adjusted relative to the valve adjusting rod. At this time, the valve adjusting rod cannot be controlled by rotating the adjusting wheel; when the limiting protrusion is stuck in the first limiting groove, the adjusting wheel and the valve adjusting rod can be rotated and adjusted synchronously. At this time, the valve adjusting rod can be controlled by rotating the adjusting wheel.

[0013] 2. The utility model provides reinforcing ribs inside the connecting sleeve, and a plurality of reinforcing ribs are provided in a ring array, thereby increasing the structural strength inside the connecting sleeve and facilitating the improvement of the service life of the connecting sleeve.

[0014] 3. The utility model has a connecting sleeve arrangement protruding through a reinforcing rib, and a positioning groove cooperating with the reinforcing rib is provided on one side of the adjusting wheel disc, thereby facilitating the stability of the connection and fixation between the adjusting wheel disc and the connecting sleeve, and facilitating the disassembly between the adjusting wheel disc and the connecting sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 This is the overall structural front view of the utility model;

[0017] Figure 2 This is a schematic diagram of the connecting sleeve structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the valve regulating rod structure of the utility model.

[0019] In the figure: 1. valve adjusting rod; 2. connecting sleeve; 3. adjusting wheel; 4. positioning hole; 5. positioning column; 6. positioning nut; 7. gasket; 8. guide groove; 9. limiting protrusion; 10. second limiting groove; 11. spring; 12. first limiting groove; 13. reinforcing rib; 14. positioning groove. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 In the embodiment of the utility model, a straight sleeve includes a valve regulating rod 1 and a connecting sleeve 2. The connecting sleeve 2 is elastically slidably sleeved on the outside of the valve regulating rod 1 through a spring 11. A guide groove 8 is provided on the outside of the valve regulating rod 1. The outer wall of the valve regulating rod 1 at both ends of the guide groove 8 is also provided with a first limiting groove 12 and a second limiting groove 10. A limiting protrusion 9 is provided on the inner wall of the connecting sleeve 2, and the limiting protrusion 9 is slidably arranged with the guide groove 8, the first limiting groove 12 and the second limiting groove 10. The second limiting groove 10 is arranged as an annular groove. The guide groove 8 and the first limiting groove 12 are provided with a first limiting groove 10. The positioning groove 12 is integrally arranged as an L-shaped groove, and an adjusting wheel 3 is installed at one end of the connecting sleeve 2, so that the sliding connection between the connecting sleeve 2 and the valve regulating rod 1 has higher stability, and the position of the limiting protrusion 9 in different limiting grooves can be adjusted, so that the use state of the valve regulating rod 1 can be adjusted, and the connection between the guide groove 8 and the first limiting groove 12 is chamfered, and the connection between the guide groove 8 and the second limiting groove 10 is chamfered, which facilitates the transition sliding adjustment of the limiting protrusion 9 in the guide groove 8, the first limiting groove 12 and the second limiting groove 10.

[0022] like Figure 1 As shown, in order to fix the adjusting wheel 3 to one end of the connecting sleeve 2, a positioning column 5 is also provided at one end of the connecting sleeve 2, and one end of the positioning column 5 passes through the positioning hole 4 in the middle of the adjusting wheel 3, and one end of the positioning column 5 is connected and fixed by a gasket 7 and a positioning nut 6.

[0023] like Figure 1 and Figure 2 As shown, in order to increase the structural strength inside the connecting sleeve 2, a reinforcing rib 13 is provided inside the connecting sleeve 2, and a plurality of reinforcing ribs 13 are provided in a ring array, thereby increasing the structural strength inside the connecting sleeve 2 and helping to improve the service life of the connecting sleeve 2.

[0024] like Figure 1 and Figure 2 As shown, in order to improve the stability of the connection between the adjusting wheel 3 and the connecting sleeve 2, a reinforcing rib 13 is protruded from the connecting sleeve 2, and a positioning groove 14 is provided on one side of the adjusting wheel 3 to cooperate with the reinforcing rib 13, so as to improve the stability of the connection between the adjusting wheel 3 and the connecting sleeve 2, and facilitate the disassembly between the adjusting wheel 3 and the connecting sleeve 2.

[0025] The working principle and use process of the utility model are as follows: when in use, since the connecting sleeve 2 is elastically slidably sleeved on the outside of the valve adjusting rod 1 by the spring 11, the limiting groove, the guide groove 8 and the limiting protrusion 9, the stability of the sliding connection between the connecting sleeve 2 and the valve adjusting rod 1 is relatively high, and the position of the limiting protrusion 9 in different limiting grooves is adjusted to adjust the use state of the valve adjusting rod 1. When the limiting protrusion 9 is stuck in the second limiting groove 10, since the second limiting groove 10 is an annular groove, the adjusting wheel 3 can be rotated and adjusted relative to the valve adjusting rod 1. At this time, the valve adjusting rod 1 cannot be controlled by rotating the adjusting wheel 3; when the limiting protrusion 9 is stuck in the first limiting groove 12, the adjusting wheel 3 and the valve adjusting rod 1 can be rotated and adjusted synchronously. At this time, the valve adjusting rod 1 can be controlled by rotating the adjusting wheel 3.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A straight sleeve, comprising a valve adjusting rod (1) and a connecting sleeve (2), characterized in that: The connecting sleeve (2) is elastically slidably sleeved on the outside of the valve regulating rod (1) through a spring (11); a guide groove (8) is provided on the outside of the valve regulating rod (1); the outer wall of the valve regulating rod (1) at both ends of the guide groove (8) is also provided with a first limiting groove (12) and a second limiting groove (10); a limiting protrusion (9) is provided on the inner wall of the connecting sleeve (2); and the limiting protrusion (9) is slidably arranged with the guide groove (8), the first limiting groove (12) and the second limiting groove (10); and an adjusting wheel (3) is installed at one end of the connecting sleeve (2).

2. A straight sleeve according to claim 1, characterized in that: The second limiting groove (10) is configured as an annular groove, and the guide groove (8) and the first limiting groove (12) are integrally configured as an L-shaped groove.

3. A straight sleeve according to claim 2, characterized in that: The connection between the guide groove (8) and the first limiting groove (12) is provided with a rounded corner, and the connection between the guide groove (8) and the second limiting groove (10) is provided with a rounded corner.

4. A straight sleeve according to claim 1, characterized in that: A positioning column (5) is provided at one end of the connecting sleeve (2), and one end of the positioning column (5) is arranged to pass through a positioning hole (4) in the middle of the adjusting wheel (3), and one end of the positioning column (5) is connected and fixed by a gasket (7) and a positioning nut (6).

5. A straight sleeve according to claim 1, characterized in that: The connecting sleeve (2) is provided with reinforcing ribs (13) inside, and a plurality of reinforcing ribs (13) are provided in a ring-shaped array.

6. A straight sleeve according to claim 5, characterized in that: The reinforcing rib (13) is arranged to protrude from the connecting sleeve (2), and a positioning groove (14) which is inserted and matched with the reinforcing rib (13) is provided on one side of the adjusting wheel disc (3).

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