CN210060889U - Hand wheel locking mechanism - Google Patents
Hand wheel locking mechanism Download PDFInfo
- Publication number
- CN210060889U CN210060889U CN201920832582.8U CN201920832582U CN210060889U CN 210060889 U CN210060889 U CN 210060889U CN 201920832582 U CN201920832582 U CN 201920832582U CN 210060889 U CN210060889 U CN 210060889U
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- hand wheel
- base
- pressing plate
- plate
- holding down
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Abstract
The utility model provides a hand wheel locking mechanism, which comprises a base, a circular base arranged on the base and at least three locking components arranged on the base, wherein the locking components comprise a moving seat, a lead screw, a bracket and a clamping piece, the lead screw is erected on the base through a bearing with a seat, the extension line of the lead screw can be intersected with the straight line of the axle core of the base, one end of the lead screw is connected with a motor through a coupling, the lead screw is connected with the moving seat through a thread, the moving seat is connected on the base in a sliding way, the clamping piece comprises a lower pressing plate, an upper pressing plate and a micro cylinder, the micro cylinder is fixedly arranged on the bracket, the end part of a piston rod of the micro cylinder is connected on the upper pressing plate through a driving plate, the lower pressing plate is fixed on the moving seat, the bottom of the upper pressing plate and the bottom of the lower pressing plate are both provided with an arc-, the utility model discloses simple structure, the location is convenient, and applicable in the locking of different diameter hand wheel foreign steamer.
Description
Technical Field
The utility model relates to a locking mechanism, especially a hand wheel locking mechanism.
Background
The hand wheel that the valve was used generally includes the connecting rod of foreign steamer, interior wheel and connection foreign steamer and interior wheel, and interior wheel generally with the rotation axis connection on the valve body, and in order to optimize the performance of hand wheel, then need carry out further decoration or increase functional part to the primary structure who tentatively forms the hand wheel structure, and at this in-process, then inevitable needs lock the location to the hand wheel for the hand wheel keeps balanced.
Therefore, a hand wheel locking mechanism which has a simple structure, is convenient to position and is suitable for locking outer wheels of hand wheels with different diameters is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a hand wheel locking mechanism, simple structure, the location is convenient, and applicable in the locking of different diameter hand wheel foreign steamer.
The utility model provides a following technical scheme:
a hand wheel locking mechanism comprises a base, an annular base arranged on the base and at least three locking assemblies arranged on the base, wherein each locking assembly comprises a moving seat, a lead screw, a support and a clamping piece;
the clamping piece includes holding down plate, top board and micro cylinder, micro cylinder fixed mounting is in on the support, and its tailpiece of the piston rod portion connects through a drive plate the top of holding down plate, the bottom of holding down plate is fixed remove on the seat, the top board with the holding down plate sets up relatively, just the bottom of top board with the bottom of holding down plate all be equipped with one with the circular foreign steamer complex arc wall of hand wheel, the top board with the arc wall on the holding down plate sets up relatively, and is used for compressing tightly upside and the downside at the foreign steamer of hand wheel.
Preferably, elastic pads used for being pressed on the surface of an outer wheel of the hand wheel are adhered to the arc-shaped grooves of the lower pressure plate and the upper pressure plate.
Preferably, the elastic pad is a rubber pad.
Preferably, the straight line of the base axis is located in the plane of the upper pressing plate and the lower pressing plate.
The utility model has the advantages that: when the hand wheel needs to be locked, firstly, the motor is started, the position of the clamping piece on the movable seat is adjusted, the clamping piece can be matched with the diameter of a hand wheel outer wheel with different diameters, when irregular errors occur in the roundness of the hand wheel outer wheel, the position of the movable seat on the fine adjustment screw rod can also be adjusted, the structural errors of the clamping piece are adapted, after the position is determined, the outer wheel of the hand wheel is placed in an arc groove in the lower pressing plate, then the micro cylinder is started, the piston rod drives the upper pressing plate to be pressed towards the hand wheel on the lower pressing plate, the upper pressing plate and the lower pressing plate are connected, only the hoop is pressed on the outer wheel of the hand wheel, the locking and positioning of the hand wheel are realized.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a sectional view of the outer wheel of the hand wheel of the present invention when being pressed;
FIG. 2 is a schematic structural view of the upper and lower pressing plates of the present invention when they are separated;
FIG. 3 is a top view of the base with the base disposed thereon;
FIG. 4 is a schematic view of the hand wheel being pressed by the upper and lower pressing plates;
notation in the figure: the device comprises a base 1, a base 2, a movable seat 3, a screw rod 4, a support 5, a bearing with a seat 6, a motor 7, an upper pressing plate 8, a lower pressing plate 9, a micro cylinder 10, a driving plate 11, an arc-shaped groove 12, a hand wheel 13 and an elastic pad 14.
Detailed Description
With reference to fig. 1 to 4, a hand wheel 13 locking mechanism is shown, in this embodiment, the hand wheel 13 locking mechanism includes a base 1, a circular base 2 disposed on the base 1, and four locking assemblies disposed on the base 2 and distributed at 90 ° angles, where the locking assemblies include a movable base 3, a lead screw 4, a bracket 5, and a clamping member, the lead screw 4 is mounted on the base 2 through a bearing 6 with a base, an extension line of the lead screw 4 can intersect with a straight line where a shaft core of the base 2 is located, one end of the lead screw 4 is connected with a motor 7 through a coupling, the motor 7 is mounted on the base 2, the lead screw 4 is screwed with a movable base 3, a slider is disposed at the bottom of the movable base 3, a slide rail matched with the slider is disposed on the base 2, and the bracket 5; the clamping piece includes holding down plate 9, top board 8 and microcylinder 10, microcylinder 10 fixed mounting is on support 5, and its tailpiece of the piston rod portion connects at the top of holding down plate 8 through a drive plate 11, the upside of drive plate 11 links to each other with the piston rod, the downside links to each other with top board 8, the bottom of holding down plate 9 is fixed on removing the seat, top board 8 and holding down plate 9 set up relatively, and the bottom of top board 8 and the bottom of holding down plate 9 all are equipped with one with hand wheel 13's circular foreign steamer complex arc 12, and two arc 12 packages are established on hand wheel 13's foreign steamer, arc 12 on top board 8 and the holding down plate 9 set up relatively, and be used for compressing tightly upside and the downside at hand wheel 13 foreign steamer.
Elastic pads 14 for pressing the outer wheel surface of a hand wheel 13 are adhered in the arc-shaped grooves 12 of the lower pressure plate 9 and the upper pressure plate 8.
The elastic pad 14 is a rubber pad.
The straight line of the axis of the base 2 is positioned in the plane of the upper pressing plate 8 and the lower pressing plate 9.
The utility model discloses a theory of operation is: when the hand wheel 13 needs to be locked, the motor 7 is started at first, the position of the clamping piece on the movable seat 3 is adjusted, the clamping piece can be matched with the diameter of a hand wheel outer wheel with different diameters, when irregular errors occur in the roundness of the hand wheel outer wheel, the position of the movable seat 3 on the fine adjustment screw rod 4 can also be adjusted to adapt to the structural errors of the hand wheel outer wheel, after the position is determined, the outer wheel of the hand wheel is placed in an arc groove 12 in the lower pressing plate 9, the micro air cylinder 10 is started, the piston rod drives the upper pressing plate 8 to be pressed towards the hand wheel on the lower pressing plate 9, the upper pressing plate 8 and the lower pressing plate 9 are only clamped on the outer wheel of the hand wheel, the locking and the positioning of the hand wheel are achieved, the structure is.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. A hand wheel locking mechanism is characterized by comprising a base, an annular base arranged on the base and at least three locking assemblies arranged on the base, wherein each locking assembly comprises a moving seat, a lead screw, a support and a clamping piece;
the clamping piece includes holding down plate, top board and micro cylinder, micro cylinder fixed mounting is in on the support, and its tailpiece of the piston rod portion connects through a drive plate the top of holding down plate, the bottom of holding down plate is fixed remove on the seat, the top board with the holding down plate sets up relatively, just the bottom of top board with the bottom of holding down plate all be equipped with one with the circular foreign steamer complex arc wall of hand wheel, the top board with the arc wall on the holding down plate sets up relatively, and is used for compressing tightly upside and the downside at the foreign steamer of hand wheel.
2. The hand wheel locking mechanism according to claim 1, wherein elastic pads for pressing against the outer wheel surface of the hand wheel are adhered to the arc-shaped grooves of the lower pressure plate and the upper pressure plate.
3. The hand wheel locking mechanism of claim 2 wherein the resilient pad is a rubber pad.
4. The hand wheel locking mechanism of claim 1, wherein the line of the base axis is located in the plane of the upper pressing plate and the lower pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832582.8U CN210060889U (en) | 2019-06-04 | 2019-06-04 | Hand wheel locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920832582.8U CN210060889U (en) | 2019-06-04 | 2019-06-04 | Hand wheel locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210060889U true CN210060889U (en) | 2020-02-14 |
Family
ID=69456235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920832582.8U Active CN210060889U (en) | 2019-06-04 | 2019-06-04 | Hand wheel locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210060889U (en) |
-
2019
- 2019-06-04 CN CN201920832582.8U patent/CN210060889U/en active Active
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