CN215635314U

CN215635314U - Needle valve power-assisted multipurpose handle for instrument

Info

Publication number: CN215635314U
Application number: CN202121989170.9U
Authority: CN
Inventors: 解正平; 周龙
Original assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Current assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-25
Anticipated expiration: 2031-08-23

Abstract

The utility model provides a needle valve power-assisted multipurpose handle for an instrument, which solves the problems of poor applicability and the like of a power-assisted handle and comprises a clamping joint, wherein a clamping groove clamped with a valve body switch is arranged at the head of the clamping joint, the clamping joint is rotationally connected with the power-assisted handle, a locking piece is slidably connected to the outer side of the power-assisted handle, a limiting mechanism for limiting the rotation angle of the power-assisted handle relative to the clamping joint is arranged between the locking piece and the clamping joint, and a fixing mechanism for fixing the axial position of the locking piece relative to the power-assisted handle is arranged between the locking piece and the power-assisted handle. The utility model has the advantages of good structural stability, simple operation and the like.

Description

Needle valve power-assisted multipurpose handle for instrument

Technical Field

The utility model belongs to the technical field of valve body handles, and particularly relates to a needle valve power-assisted multipurpose handle for an instrument.

Background

The needle valve is a valve which can be accurately adjusted, and has wide application, such as cutting distance for flame cutting, and a knob for adjusting flame temperature is the needle valve. The needle valve of the instrument is an important component of a measuring pipeline system of the instrument, mainly comprises a stop valve and a ball valve, and has the function of opening or cutting off a pipeline passage. The needle type valve handle commonly used at present directly overlaps on the valve rod, and the straight style of calligraphy handle commonly used middle part is hollow and the inboard is provided with the screw for with valve rod locking connection. However, in the actual use process, due to the limitation of the installation position of the needle valve, an operator cannot conveniently apply torque to the handle or the hand wheel, so that the valve body cannot be opened or closed conveniently. In addition, conventional power handles are not fully adaptable to different valve body switches.

In order to solve the defects of the prior art, people have long searched for and put forward various solutions. For example, chinese patent literature discloses a high-temperature sampling needle valve switch tool [201520147160.9], which comprises an operating head and a handle, wherein the operating head is of a channel steel structure, two notch-shaped symmetrical round holes are formed in two legs of the channel steel, the notches are horn-shaped, the handle is fixedly connected to the end surface of the channel steel in the length direction, the handle is of a circular tube structure, a rubber sleeve is sleeved outside the handle, the handle is sleeved into the round hole of the operating head, the hand wheel and a spoke of a wheel disc type needle valve are fixed by the round hole of the operating head and the groove, and the handle is horizontally rotated to open and close the needle valve.

The problem of inconvenient opening and closing of valve body has been solved to a certain extent to above-mentioned scheme, but this scheme still has a lot of not enough, for example to the relatively poor scheduling problem of different valve body handles suitability.

Disclosure of Invention

The utility model aims to solve the problems and provides the needle valve power-assisted multipurpose handle for the instrument, which is reasonable in design and good in adaptability.

In order to achieve the purpose, the utility model adopts the following technical scheme: this needle type valve helping hand multipurpose handle for appearance, including the joint head, joint head end department is provided with the joint groove with valve body switch joint, and the joint head rotates and is connected with the helping hand handle, and helping hand handle outside sliding connection has the retaining member, is provided with the stop gear who restricts the relative joint head turned angle of helping hand handle between retaining member and the joint head, is provided with the fixed establishment of the relative helping hand handle axial position of fixed retaining member between retaining member and the helping hand handle. The angle of the power-assisted handle relative to the clamping head can be adjusted, and the power-assisted handle is locked and fixed through the locking part, so that the power-assisted handle is suitable for different valve body opening and closing power-assisted requirements.

In the needle valve power-assisted multipurpose handle for the instrument, the clamping joint is in a column shape, the clamping groove is in an arc shape and is formed in the head of the clamping head, the other end of the clamping joint is provided with a rotating groove, and the end of the power-assisted handle is provided with a rotating protrusion which is rotatably connected with the rotating groove. The inner side of the clamping joint is arc-shaped, and the clamping joint has better occlusion stability with a hand wheel or a handle of the needle valve.

In the needle valve power-assisted multipurpose handle for the instrument, one end, opposite to the power-assisted handle, of the clamping joint is provided with a plurality of limiting surfaces opposite to the locking part, limiting grooves are formed in the limiting surfaces respectively, and one end, opposite to the clamping joint, of the locking part is provided with limiting protrusions which are mutually spliced with the limiting grooves. The angle fixation of the clamping joint and the power-assisted handle is realized after the limiting groove and the limiting bulge are spliced.

In the needle valve power-assisted multipurpose handle for the instrument, the power-assisted handle is cylindrical, the locking piece is cylindrical, and a sliding groove and a sliding strip which extend along the axial direction and are in sliding connection with each other are arranged between the power-assisted handle and the locking piece. The locking piece slides along the axial direction to realize the locking or unlocking of the power-assisted handle and the clamping connector.

In the needle valve helping hand multipurpose handle for the appearance of foretell, fixed establishment is including setting up the retainer plate of keeping away from joint one end at the retaining member, and the retainer plate rotates with the retaining member to be connected, is provided with fixed subassembly between retainer plate and the helping hand handle. The fixing mechanism enables the locking piece to have better fixing stability.

In the needle valve power-assisted multipurpose handle for the instrument, the fixing mechanism comprises fixing threads arranged on the inner side of the fixing ring and the outer side of the power-assisted handle, and the fixing ring is in threaded connection with the locking piece. The locking with the helping hand handle can be realized to the retainer plate rotating, convenient operation.

In the needle valve power-assisted multipurpose handle for the instrument, one end of the power-assisted handle, which is far away from the clamping connector, is connected with an extension handle or a power-assisted hand wheel through an insertion mechanism. An extension handle or a power-assisted hand wheel is selected and matched according to actual needs, so that the optimal power-assisted effect is obtained.

In the needle valve power-assisted multipurpose handle for the instrument, the plug-in mechanism comprises a plug-in hole arranged at the end of the power-assisted handle, a plug-in connector which is mutually plugged with the plug-in hole is arranged at the joint of the extension handle or the power-assisted hand wheel and the power-assisted handle, a magnetic suction part is arranged between the plug-in hole and the plug-in connector, and mutually meshed plug-in teeth are arranged between the plug-in hole and the plug-in connector. The inserting mechanism is convenient to stably transmit the torque to the clamping joint, and effectively limits the circumferential rotation of the extension handle or the boosting hand wheel relative to the boosting handle.

In the needle valve power-assisted multipurpose handle for the instrument, anti-skid stripes are distributed on the outer side of the power-assisted handle. The anti-skidding stripes improve the friction between the hand and the power-assisted handle and prevent the hand from rotating and skidding.

In the needle valve power-assisted multipurpose handle for the instrument, the inner side of the clamping groove of the clamping joint is coated with a hard wear-resistant layer. The wear-resisting layer has prolonged the life of joint, reduces the wearing and tearing of valve body switch.

Compared with the prior art, the utility model has the advantages that: the clamping joint and the power-assisted handle can adjust relative angles, so that the power-assisted handle can meet the power-assisted requirements of different valve body switches; the fixing mechanism ensures the locking stability of the locking piece relative to the power-assisted handle; the boosting handle is externally connected with an extension handle or a boosting hand wheel according to actual needs, so that a better boosting effect is obtained.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural cross-sectional view of the present invention;

FIG. 3 is another schematic structural view of the present invention;

FIG. 4 is an assembly schematic of the present invention;

in the figure, a clamping head 1, a clamping groove 11, a rotating groove 12, a rotating protrusion 13, an assisting handle 2, a sliding groove 21, a sliding strip 22, a locking part 3, a limiting mechanism 4, a limiting surface 41, a limiting groove 42, a limiting protrusion 43, a fixing mechanism 5, a fixing ring 51, a fixing thread 52, an inserting mechanism 6, an extension handle 61, an assisting hand wheel 62, an inserting hole 63, an inserting head 64, a magnetic part 65, an inserting tooth 66, an anti-skid stripe 7 and a wear-resistant layer 8.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-4, the needle valve power-assisted multipurpose handle for the instrument comprises a clamping head 1, wherein a clamping groove 11 clamped with a valve body switch is formed in the end of the clamping head 1, a power-assisted handle 2 is rotatably connected to the clamping head 1, a locking member 3 is slidably connected to the outer side of the power-assisted handle 2, a limiting mechanism 4 for limiting the rotation angle of the power-assisted handle 2 relative to the clamping head 1 is arranged between the locking member 3 and the clamping head 1, and a fixing mechanism 5 for fixing the axial position of the locking member 3 relative to the power-assisted handle 2 is arranged between the locking member 3 and the power-assisted handle 2. The clamping groove 11 at the end of the clamping connector 1 is clamped with a hand wheel or a handle switch of a needle valve, the power-assisted handle 2 is adjusted to rotate relative to the clamping connector 1, and the limiting mechanism 4 and the fixing mechanism 5 are matched with each other to lock an angle, so that the power-assisted handle 2 is horizontal or vertical relative to the valve body switch, and the valve body switch can be opened and closed conveniently by applying force.

Specifically, joint 1 is the stand form, and joint groove 11 is circular-arc setting in joint 1 end department, and the other end of joint 1 is opened has rotation groove 12, and the 2 ends of helping hand handle are provided with rotates protruding 13 of being connected with rotation groove 12. The rotating bulge 13 rotates 180 degrees relative to the rotating groove 12, and the clamping groove 11 is occluded with the valve body switch.

Deeply, a plurality of limiting surfaces 41 opposite to the locking part 3 are arranged at one end, opposite to the power-assisted handle 2, of the clamping head 1, limiting grooves 42 are formed in the limiting surfaces 41 respectively, and limiting protrusions 43 which are mutually inserted into the limiting grooves 42 are arranged at one end, opposite to the clamping head 1, of the locking part 3. The limiting surface 41 does not influence the normal rotation of the power-assisted handle 2, when the locking part 3 slides to be close to the clamping head 1, the end head of the locking part is attached to the limiting surface 41, and the limiting groove 42 is inserted into the limiting protrusion 43.

Further, helping hand handle 2 is cylindricly, and retaining member 3 is cylindricly, sets up between helping hand handle 2 and the retaining member 3 along axial direction extension and mutual sliding connection's sliding tray 21 and slide bar 22. The sliding groove 21 and the sliding strip 22 are matched to ensure that the locking member 3 slides along the axial direction, so that the limiting groove 42 and the limiting protrusion 43 are accurately positioned and inserted.

Furthermore, the fixing mechanism 5 comprises a fixing ring 51 arranged at one end of the locking member 3 far away from the clamping connector 1, the fixing ring 51 is rotatably connected with the locking member 3, and a fixing component is arranged between the fixing ring 51 and the power-assisted handle 2. The fixing ring 51 of the fixing mechanism 5 rotates circumferentially relative to the locking piece 3 to realize threaded connection with the power-assisted handle 2.

Besides, the fixing assembly comprises a fixing thread 52 which is arranged on the inner side of the fixing ring 51 and the outer side of the power-assisted handle 2, and the fixing ring 51 is in threaded connection with the locking piece 3. After the fixing ring 51 is fixed with the locker 3, the retaining protrusion 43 is inserted into the retaining groove 42, thereby fixing the relative angle of the bayonet joint 1 and the booster handle 2.

Meanwhile, one end of the boosting handle 2, which is far away from the clamping head 1, is connected with an extension handle 61 or a boosting hand wheel 62 through the plugging mechanism 6. The extension handle 61 is mainly used for extending the force arm of the power-assisted handle 2 when the power-assisted handle 2 is horizontally arranged relative to the valve body switch, and the power-assisted hand wheel 62 is used for increasing the rotating radius of the valve body switch when the power-assisted handle 2 is vertical relative to the valve body switch.

As can be seen, the insertion mechanism 6 includes an insertion hole 63 disposed at the end of the power-assisted handle 2, an insertion head 64 inserted into the insertion hole 63 is disposed at the connection between the extension handle 61 or the power-assisted hand wheel 62 and the power-assisted handle 2, a magnetic attraction portion 65 is disposed between the insertion hole 63 and the insertion head 64, and insertion teeth 66 engaged with each other are disposed between the insertion hole 63 and the insertion head 64. The insertion mechanism 6 keeps the extension handle 61 or the boosting hand wheel 62 and the boosting handle 2 synchronously rotating.

Obviously, the outside of the power-assisted handle 2 is distributed with anti-skid stripes 7. The anti-skid stripes 7 are integrally formed with the power-assisted handle 2, and the normal sliding of the locking piece 3 relative to the power-assisted handle 2 is not influenced.

Preferably, the inside of the clamping groove 11 of the clamping joint 1 is coated with a hard wear-resistant layer 8. The inner side of the clamping joint 1 is locally quenched, so that a wear-resistant layer 8 is formed, the overall structural strength of the clamping joint 1 is guaranteed, and the local hardness of the clamping joint is improved.

In summary, the principle of the present embodiment is: the clamping connector 1 is connected with the power-assisted handle 2, after the clamping connector 1 is clamped with the valve body switch, the power-assisted handle 2 is rotated and the locking piece 3 slides, the relative angle of the locking piece is kept fixed under the action of the limiting mechanism 4 and the fixing mechanism 5, and an operator can conveniently twist the valve body switch to realize the opening and closing of the valve body.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although the terms of the snap joint 1, the snap groove 11, the rotation groove 12, the rotation protrusion 13, the power-assisted handle 2, the sliding groove 21, the sliding strip 22, the locking member 3, the limiting mechanism 4, the limiting surface 41, the limiting groove 42, the limiting protrusion 43, the fixing mechanism 5, the fixing ring 51, the fixing thread 52, the inserting mechanism 6, the extension handle 61, the power-assisted hand wheel 62, the inserting hole 63, the inserting joint 64, the magnetic attraction part 65, the inserting teeth 66, the anti-slip stripe 7, the wear-resistant layer 8, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims

1. The utility model provides a needle valve helping hand multi-purpose handle for appearance, includes joint (1), joint (1) end department be provided with joint groove (11) of valve body switch joint, a serial communication port, joint (1) rotate and be connected with helping hand handle (2), helping hand handle (2) outside sliding connection have retaining member (3), retaining member (3) and joint (1) between be provided with limiting boosting handle (2) stop gear (4) of joint (1) turned angle relatively, retaining member (3) and helping hand handle (2) between be provided with fixed retaining member (3) fixed establishment (5) of helping hand handle (2) axial position relatively.

2. The needle valve power-assisted multipurpose handle for the instrument according to claim 1, characterized in that the clamping joint (1) is in a column shape, the clamping groove (11) is in an arc shape and is arranged at the end of the clamping joint (1), the other end of the clamping joint (1) is provided with a rotating groove (12), and the end of the power-assisted handle (2) is provided with a rotating protrusion (13) which is rotatably connected with the rotating groove (12).

3. The needle valve power-assisted multipurpose handle for the instrument according to claim 2, characterized in that one end of the clamping head (1) opposite to the power-assisted handle (2) is provided with a plurality of limiting surfaces (41) opposite to the locking member (3), the limiting surfaces (41) are respectively provided with a limiting groove (42), and one end of the locking member (3) opposite to the clamping head (1) is provided with a limiting protrusion (43) which is mutually inserted with the limiting groove (42).

4. The needle valve power-assisted multipurpose handle for an instrument according to claim 1, characterized in that the power-assisted handle (2) is cylindrical, the locking member (3) is cylindrical, and a sliding groove (21) and a sliding strip (22) which extend in the axial direction and are slidably connected with each other are arranged between the power-assisted handle (2) and the locking member (3).

5. The needle valve power-assisted multipurpose handle for an instrument according to claim 4, characterized in that the fixing mechanism (5) comprises a fixing ring (51) arranged at one end of the locking member (3) far away from the clamping joint (1), the fixing ring (51) is rotatably connected with the locking member (3), and a fixing component is arranged between the fixing ring (51) and the power-assisted handle (2).

6. The needle valve power-assisted multipurpose handle for an instrument according to claim 5, characterized in that the fixing assembly comprises a fixing thread (52) arranged on the inner side of a fixing ring (51) and the outer side of the power-assisted handle (2), and the fixing ring (51) is in threaded connection with the locking member (3).

7. The needle valve power-assisted multipurpose handle for the instrument according to claim 1, characterized in that one end of the power-assisted handle (2) far away from the bayonet joint (1) is connected with an extension handle (61) or a power-assisted hand wheel (62) through a plug-in mechanism (6).

8. The needle valve power-assisted multipurpose handle for the instrument according to claim 7, wherein the insertion mechanism (6) comprises an insertion hole (63) formed in the end of the power-assisted handle (2), an insertion joint (64) which is inserted into the insertion hole (63) is arranged at the joint of the extension handle (61) or the power-assisted hand wheel (62) and the power-assisted handle (2), a magnetic absorption part (65) is arranged between the insertion hole (63) and the insertion joint (64), and insertion teeth (66) which are meshed with each other are arranged between the insertion hole (63) and the insertion joint (64).

9. The needle valve power-assisted multipurpose handle for the instrument according to claim 1, characterized in that anti-skid stripes (7) are distributed on the outer side of the power-assisted handle (2).

10. The needle valve power-assisted multipurpose handle for the instrument according to claim 1, characterized in that the inside of the clamping groove (11) of the clamping joint (1) is coated with a hard wear-resistant layer (8).