CN220082282U

CN220082282U - Novel hand wheel

Info

Publication number: CN220082282U
Application number: CN202321532249.8U
Authority: CN
Inventors: 朱竹安; 张祥婷; 王华伟; 姚群挺
Original assignee: Shanghai Shengding Automation Technology Co ltd
Current assignee: Shanghai Shengding Automation Technology Co ltd
Priority date: 2023-06-15
Filing date: 2023-06-15
Publication date: 2023-11-24
Anticipated expiration: 2033-06-15

Abstract

The utility model discloses a novel hand wheel, wherein the position of a lock rod is in a locking groove when the hand wheel is not in use, the lock rod is in the locking groove and is kept stable in the locking groove by an upper tightening spring and a bottom tightening spring when the hand wheel is required to be rotated, the hand wheel is manually lifted upwards to move out of the locking groove, so that the hand wheel is positioned in a rotating cavity, the lock rod is conveniently rotated when the hand wheel is manually rotated, the whole structure is simple and reliable, frequent checking is not needed, the problem that screw thread matching in a traditional installation mode is easy to loosen when the hand wheel is used for a long time is avoided, and manpower and material resources are saved.

Description

Novel hand wheel

Technical Field

The utility model relates to the technical field of valve handwheels, in particular to a novel handwheel.

Background

The valve is a mechanical element for controlling the flow, flow direction, pressure and the like of flowing fluid medium in common term pipeline transportation in daily life, and the commonly used valve is provided with a hand wheel, and the hand wheel is manually rotated to drive an internal valve rod and a valve clack to move so as to realize the motion control of fluid in the pipeline.

As an important main power element, a hand wheel is often installed in a threaded mode, and a certain gap is formed in a connecting part under long-term use abrasion, so that the whole hand wheel is not stable enough, maintenance is often carried out, and the hand wheel is inconvenient to use.

Disclosure of Invention

In view of the problems existing in the prior art, the utility model discloses a novel hand wheel, which adopts the technical scheme that the novel hand wheel comprises a hand wheel, a lower flange, an upper mounting groove, an upper tightening spring, a rotating mounting ring, a hand wheel bottom T-shaped groove, a fitting protruding part, a middle ring body, a sealing ring, a valve rod, a rotating mounting plate, a connecting shaft, a locking part and a movable connecting part, wherein the upper mounting groove is arranged on the lower flange, the upper tightening spring is arranged in the upper mounting groove, the upper end of the upper tightening spring is connected with the rotating mounting ring, the fitting protruding part is integrally formed at the upper part of the rotating mounting ring, the annular hand wheel bottom T-shaped groove with the T-shaped cross section at the bottom of the hand wheel is arranged in the hand wheel bottom T-shaped groove in a matched manner, namely, the hand wheel can be maintained at an initial locking position through the contraction action of the upper tightening spring, the lower flange below is the middle part ring body, but hand wheel center department lower extreme fixed connection axle and be connected with the valve rod through swing joint portion, the valve rod rotates the installation through rotating the tooling plate and middle part ring body to be provided with the sealing ring, the internal locking part that has of middle part ring, tighten up the tightening action of spring through last makes the connecting axle and the locking part cooperation of connecting under the hand wheel be in locking position all the time, and manual upward pulling hand wheel makes the connecting axle leave locking position and directly rotate the hand wheel when needing to rotate, this structure facilitates long-term use, even if the spring uses for a long time appears not hard up, hand wheel and connecting axle self gravity also can make it be in locking part locking state under inapplicable state.

As a preferable technical scheme of the utility model, six threaded through holes are uniformly distributed on the hand wheel, a plurality of notches are formed on the outer side of the lower flange, and the number of the notches is six.

As a preferable technical scheme of the utility model, the locking part comprises a lock rod, a rotating cavity and lock grooves, the middle ring body is internally provided with an annular rotating cavity, the bottom surface of the middle ring body is provided with eight lock grooves, the connecting shaft is positioned at the outer side of the part in the rotating cavity to integrally form eight lock rods, and the lock rods are initially positioned in the lock grooves.

As a preferable technical scheme of the utility model, the movable connecting part comprises a column body, a column body side wall sliding groove, a valve rod inner side bulge and a bottom tightening spring, the column body is integrally formed at the lower end of the connecting shaft, the column body side wall sliding groove is formed in the side wall of the column body, the valve rod is hollow, the valve rod inner side bulge is arranged on the inner side wall of the hollow part, and the valve rod inner side bulge is matched and placed in the column body side wall sliding groove, so that the valve rod can stably rotate along with the rotation of the column body, the bottom end of the column body is connected with the bottom surface of the valve rod inner hollow part through the bottom tightening spring, and the state that the lock rod is stably in a locking groove in an initial state is assisted.

The utility model has the beneficial effects that: initially, under the hand wheel unused state, the position of locking lever is in the locked groove to its state that is in the locked groove is through last tightening up spring and bottom tightening up spring and is kept its stability in the locked groove, when needs rotate the hand wheel, and the hand wheel is upwards carried the hand wheel, shifts out the locking lever from the locked groove, makes it be located the rotation intracavity, and when making things convenient for manual rotation to the hand wheel, the locking lever also follows the rotation, and whole simple structure is reliable to need not frequent inspection, avoided the screw thread cooperation in traditional mounting means to lead to not hard up problem easily under the long-term use, use manpower and materials sparingly.

Drawings

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

FIG. 2 is a schematic view of the bottom view of the present utility model;

fig. 3 is a schematic cross-sectional view of the present utility model.

In the figure: the hand wheel 1, the threaded through hole 101, the notch 102, the lower flange 2, the upper mounting groove 3, the upper tightening spring 4, the rotary mounting ring 41, the hand wheel bottom T-shaped groove 42, the fitting bulge 43, the middle ring body 5, the sealing ring 6, the valve rod 7, the rotary fitting plate 71, the connecting shaft 8, the lock rod 9, the rotary cavity 10, the locking groove 11, the cylinder 12, the cylinder side wall chute 13, the valve rod inner side bulge 131 and the bottom tightening spring 14.

Detailed Description

Example 1

As shown in fig. 1 to 3, the utility model discloses a novel hand wheel, which adopts the technical scheme that the novel hand wheel comprises a hand wheel 1, a lower flange 2, an upper mounting groove 3, an upper tightening spring 4, a rotary mounting ring 41, a hand wheel bottom T-shaped groove 42, a fitting convex part 43, a middle ring body 5, a sealing ring 6, a valve rod 7, a rotary fitting plate 71, a connecting shaft 8, a locking part and a movable connecting part, wherein the upper mounting groove 3 is arranged on the lower flange 2, the upper tightening spring 4 is mounted in the upper mounting groove, the upper end of the upper tightening spring 4 is connected with the bottom surface of the rotary mounting ring 41, the upper part of the rotary mounting ring 41 is integrally provided with the fitting convex part 43, the annular hand wheel bottom T-shaped groove 42 with the T-shaped section on the bottom surface of the hand wheel 1 is matched and placed in the hand wheel bottom T-shaped groove 42, namely, when the hand wheel 1 rotates, the hand wheel bottom T-shaped groove 42 rotates relatively, the lower ring body 5 is arranged below the lower flange 2, the lower end of the center of the hand wheel 1 is fixedly connected with the connecting shaft 8 and is connected with the valve rod 7 through the movable connecting part, the middle ring body 7 is rotatably fitted with the middle ring body 5, and the sealing ring body 5 is not arranged in the middle ring body 5, and the locking part is not locked by the locking part is arranged in the middle ring body 5.

As a preferable technical scheme of the utility model, six threaded through holes 101 are uniformly distributed on the hand wheel 1, a plurality of notches 102 are formed on the outer side of the lower flange 2, the number of the notches is six, and the auxiliary locking can be realized by assembling screws in the threaded through holes and inserting the screws into the notches.

As a preferable technical scheme of the utility model, the locking part is specifically that an annular rotating cavity 10 is arranged in the middle ring body 5, eight locking grooves 11 are formed in the bottom surface of the rotating cavity 10, eight locking rods 9 are integrally formed on the outer side of the part, located in the rotating cavity 10, of the connecting shaft 8, and the locking rods 9 are initially located in the locking grooves 11 to lock the connecting shaft 8 and the hand wheel 1 above.

As a preferred technical scheme of the utility model, the movable connecting part is characterized in that a column body 12 is integrally formed at the lower end of the connecting shaft 8, a column body side wall chute 13 is formed on the side wall of the column body 12, the valve rod 7 is hollow, a valve rod inner side bulge 131 is arranged on the inner side wall of the hollow part, the valve rod inner side bulge 131 is matched and placed in the column body side wall chute 13, and the bottom end of the column body 12 is connected with the bottom surface of the hollow part inside the valve rod 7 through a bottom tightening spring 14.

The working principle of the utility model is as follows: when the hand wheel 1 is in use, in an initial state, namely in a non-use state of the hand wheel 1, the position of the lock rod 9 is in the lock groove 11, and the lock groove 11 is kept stable by the upper tightening spring 4 and the bottom tightening spring 14, when the hand wheel 1 is required to be rotated, the hand wheel 1 is manually lifted upwards, the lock rod 9 is moved out of the lock groove 11, and is positioned in the rotating cavity 10, so that the hand wheel 1 is conveniently and manually rotated, the lock rod 9 follows the rotation, the whole structure is simple and reliable, frequent checking is not needed, the problem that the screw thread fit in the traditional installation mode is easy to loosen after long-term use is avoided, and manpower and material resources are saved.

The components not described in detail herein are prior art.

Although the specific embodiments of the present utility model have been described in detail, the present utility model is not limited to the above embodiments, and various changes and modifications without inventive labor may be made within the scope of the present utility model without departing from the spirit of the present utility model, which is within the scope of the present utility model.

Claims

1. A novel hand wheel, its characterized in that: the device comprises a hand wheel (1), a lower flange (2), an upper mounting groove (3), an upper tightening spring (4), a rotary mounting ring (41), a hand wheel bottom T-shaped groove (42), a fitting bulge (43), a middle ring body (5), a sealing ring (6), a valve rod (7), a rotary fitting plate (71), a connecting shaft (8), a locking part and a movable connecting part; an upper mounting groove (3) is formed in the lower flange (2); an upper tightening spring (4) is arranged in the upper mounting groove (3); the upper end of the upper tightening spring (4) is connected with a rotary mounting ring (41); the upper part of the rotary mounting ring (41) is integrally formed with a fitting bulge (43); the bottom surface of the hand wheel (1) is provided with an annular hand wheel bottom T-shaped groove (42) with a T-shaped section; the fitting convex part (43) is matched and placed in a T-shaped groove (42) at the bottom of the hand wheel; a middle ring body (5) is arranged below the lower flange (2); the lower end of the center of the hand wheel (1) is fixedly connected with a connecting shaft (8) and is connected with a valve rod (7) through a movable connecting part; the valve rod (7) is rotatably arranged with the middle ring body (5) through a rotary assembling plate (71), and is provided with a sealing ring (6);

the middle ring body (5) is internally provided with a locking part.

2. The novel hand wheel of claim 1, wherein: threaded through holes (101) are uniformly distributed on the hand wheel (1); a plurality of notches (102) are formed in the outer side of the lower flange (2).

3. A novel hand wheel according to claim 2, wherein: the number of the through holes (101) and the number of the notches (102) are six.

4. The novel hand wheel of claim 1, wherein: the locking part comprises a lock rod (9), a rotating cavity (10) and a locking groove (11); an annular rotating cavity (10) is formed in the middle ring body (5); eight locking grooves (11) are formed in the bottom surface of the rotating cavity (10), and eight locking bars (9) are integrally formed on the outer side of the connecting shaft (8) positioned in the rotating cavity (10); the lock rod (9) is initially located in the lock groove (11).

5. The novel hand wheel of claim 1, wherein: the movable connecting part comprises a column body (12), a column body side wall chute (13), a valve rod inner side bulge (131) and a bottom tightening spring (14); the lower end of the connecting shaft (8) is integrally formed with a column body (12); the side wall of the column body (12) is provided with a column body side wall chute (13); the valve rod (7) is hollow, the inner side wall of the hollow part is provided with a valve rod inner side bulge (131), and the valve rod inner side bulge (131) is matched and placed in the cylinder side wall chute (13); the bottom end of the cylinder (12) is connected with the bottom surface of the hollow part inside the valve rod (7) through a bottom tightening spring (14).