CN217422343U - Electric valve manual control mechanism and electric valve - Google Patents
Electric valve manual control mechanism and electric valve Download PDFInfo
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- CN217422343U CN217422343U CN202221069733.7U CN202221069733U CN217422343U CN 217422343 U CN217422343 U CN 217422343U CN 202221069733 U CN202221069733 U CN 202221069733U CN 217422343 U CN217422343 U CN 217422343U
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- transmission shaft
- hole
- manual control
- control mechanism
- connecting body
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Abstract
The utility model discloses an motorised valve manual control mechanism, including an outer casing, be provided with a transmission shaft in the shell body, the transmission shaft is rotated by motor drive, still includes: the mounting base is detachably arranged on the outer shell, a through hole penetrates through the mounting base, and the through hole and the transmission shaft are arranged coaxially; the connecting body penetrates into the outer shell from one side of the mounting seat body through the through hole, and the connecting body is matched with the transmission shaft; the elastic body is sleeved on the connecting body and arranged between the connecting body and the transmission shaft, and the elastic body pushes the connecting body away from the transmission shaft; wherein, when the connecting body is acted by external force and overcomes the elasticity of the elastic body, the connecting body can be connected with the transmission shaft and can drive the transmission shaft to rotate by rotating the connecting body. The utility model discloses a simple pressing and rotation can be switched to manual control, and realize automatic re-setting, be convenient for carry out high efficiency's operation under the emergency condition and use.
Description
Technical Field
The utility model belongs to the technical field of the motorised valve technique and specifically relates to a motorised valve manual control mechanism and corresponding motorised valve are related to.
Background
The electric valve is widely applied in the field of automatic control of the valve, and consists of a valve and an electric actuating mechanism, wherein the electric actuating mechanism usually has a manual switching function for emergency, and the valve is manually switched on and off under the condition that an electric device fails.
For example, patent document 1 discloses an electric valve actuator manual device. A flange bearing which is arranged on the upper fixing plate and penetrates through the upper fixing plate is used as a connecting pipe, and a hexagonal wrench is inserted into the upper end of the connecting pipe; the lower surface of the lower layer fixing plate is provided with a flange end surface, and the surface of the fixing plate is provided with a fixing plate hole; the upper end of the main shaft is provided with a main shaft flat which is used for being inserted into the semicircular groove; lower extreme connecting pipe structure: the upper end surface of the connecting pipe is provided with a semicircular groove, and the outer edge of the connecting pipe is provided with a step plane; the upper end face of the connecting pipe is provided with an inner hexagonal groove.
However, such a structure requires an additional hexagonal wrench for use, and has a low operation efficiency in an emergency, and an unstable factor.
SUMMERY OF THE UTILITY MODEL
The utility model relates to a weak point in order to avoid prior art to exist provides an motorised valve manual control mechanism and corresponding motorised valve from this.
The utility model provides a technical problem adopt following technical scheme: the utility model provides an motorised valve manual control mechanism, includes a shell body, be provided with a transmission shaft in the shell body, the transmission shaft is rotated by motor drive, still includes:
the mounting base is detachably arranged on the outer shell, a through hole penetrates through the mounting base, and the through hole and the transmission shaft are arranged coaxially;
the connecting body penetrates into the outer shell from one side of the mounting seat body through the through hole, and the connecting body is matched with the transmission shaft;
the elastic body is sleeved on the connecting body and arranged between the connecting body and the transmission shaft, and the elastic body pushes the connecting body away from the transmission shaft;
wherein, when the connecting body is acted by external force and overcomes the elasticity of the elastic body, the connecting body can be connected with the transmission shaft and can drive the transmission shaft to rotate by rotating the connecting body.
In several embodiments, the coupling body includes a transmission portion and a stressed portion, which are coaxially disposed, a first connection section is disposed at an end of the transmission portion away from the stressed portion, a second connection section is disposed at an end of the transmission shaft close to the coupling body, the first connection section is matched with the second connection section, and when the first connection section is connected to the second connection section, the coupling body can drive the transmission shaft to rotate.
In several embodiments, the transmission part can move axially along the through hole, and the force-bearing part is located outside the mounting base body and cannot penetrate into the through hole.
In a plurality of embodiments, the through hole at least comprises a first hole body and a second hole body which are coaxially arranged, the inner diameter of the first hole body is larger than the outer diameter of the second hole body, and the first hole body is positioned on one side close to the transmission shaft and communicated with the inside of the outer shell.
In some embodiments, the transmission portion is provided with a limiting body protruding outwards, and the limiting body can move along the first hole body and cannot penetrate into the second hole body.
In several embodiments, one end of the elastic body abuts against the limiting body, and the other end of the elastic body abuts against the transmission shaft.
In several embodiments, sealing rings are disposed between the mounting base and the transmission portion and between the mounting base and the outer housing.
The electric valve comprises a main valve body, the outer shell is connected with the main valve body and is internally communicated, and the transmission shaft is used for controlling the opening and closing of the main valve body.
The utility model discloses following beneficial effect has:
the utility model discloses a complete machine structure of integration under the condition that does not influence normal electric control, is assisted with the manual control function, can realize manual control through simple pressing and rotation, and realizes automatic re-setting, is convenient for carry out high efficiency's operation and use under the emergency condition.
Drawings
The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not to be considered limiting of the scope of the present disclosure.
Fig. 1 schematically shows the structure of an electrically operated valve in the present embodiment;
fig. 2 schematically shows a cross-sectional structure of the electric valve manual control mechanism in fig. 1 in an electric control state;
fig. 3 schematically shows the structure of fig. 2 in a manually controlled state.
Detailed Description
In the following, the embodiments of the present invention are described in detail, so as to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, and in the following, the embodiments of the present invention will be combined to make clear and complete descriptions of the technical solutions in the embodiments of the present invention.
The terminology used herein is for the purpose of explaining the embodiments and is not intended to limit and/or define the invention.
For example, the terms "in a certain direction", "along a certain direction", "axial direction", "orthogonal", "axial line", "relative", "front-back-left-right" and the like indicate relative or absolute arrangements, and indicate not only such arrangements in a strict sense but also a state of being relatively displaced with a tolerance or an angle or a distance to the extent that the same function can be obtained.
As shown in fig. 1, the electric valve in this embodiment is mainly composed of a valve B, an electric actuator a, and a manual control mechanism C, and the valve B and the electric actuator a may be implemented by using a conventional structure in the field, for example, the electric actuator a is mainly composed of an outer housing 6, and an electric control assembly and a transmission shaft 8 located inside the outer housing 6, and the transmission shaft 8 is driven by a motor in the electric control assembly to rotate, so as to control the opening and closing of the valve B, and meanwhile, when the electric control assembly fails, the manual control mechanism C can manually drive the transmission shaft 8 to move, so as to realize the opening and closing of the manual valve.
As shown in fig. 2-3, the manual control mechanism C mainly comprises a mounting base 4, a coupling body and an elastic body 7, wherein the coupling body is used for connecting and matching with the transmission shaft 8, the elastic body 7 realizes the separation of the coupling body and the transmission shaft 8 without external force, and the mounting base 4 is used for configuring the coupling body.
Specifically, shell body 6 one side is seted up an trompil, installation pedestal 4 is detachable and sets up on shell body 6 through the trompil, it can adopt the section to be step-like structure here, there is the cylinder that the difference exists and the coaxial line sets up by two diameters promptly to constitute, the trompil that the less one end of diameter penetrated shell body 6 promptly, the great one end of diameter then is located the outside and the outer wall laminating of shell body 6, arrange the screw thread in the trompil position of installation pedestal 4 and shell body 6, with this dismantlement between realization installation pedestal 4 and the shell body 6 is connected.
And, what run through in the installation pedestal 4 is provided with a through-hole, the through-hole sets up with transmission shaft 8 coaxial line, and the through-hole includes at least hole body one 11 and the second hole body 12 that the coaxial line set up, the internal diameter of hole body one 11 is greater than the external diameter of hole body two 12, hole body one 11 is located and is close to transmission shaft 8 one side and is linked together with shell body 6 inside.
The connecting body penetrates into the outer shell from one side of the mounting seat body through the through hole, the connecting body and the transmission shaft 8 are distributed coaxially, the connecting body is composed of a transmission part 2 and a stress part 1 which are arranged coaxially, the transmission part 2 is of a shaft-shaped structure, one end, far away from the stress part 1, of the transmission part 2 is provided with a connecting section I b1, one end, close to the connecting body, of the transmission shaft 8 is provided with a connecting section II a1, the connecting section I b1 is matched with the connecting section II a1, an inner hexagonal hole is machined in one end of the transmission shaft 8, the connecting section I b1 is provided with an outer hexagon machined in the corresponding position of the transmission part 2, and a conical or spherical structure is machined in the head, so that the head of the connecting body can conveniently enter the connecting section II a1, and the hexagonal structures of the connecting body and the connecting body can drive to rotate.
The external diameter of transmission portion 2 and the internal diameter of hole body two 12 are the assorted, from this it can carry out axial motion along the through-hole, and the external diameter of atress portion 1 then is greater than hole body two 12, and it is located the outside and can't penetrate the through-hole of installation pedestal 4, and the specification of atress portion 1 can cooperate with the human palm, conveniently presses, and sets up arch, recess or the friction line that is used for improving frictional force around atress portion 1, the convenient rotation action to atress portion 1.
In order to avoid the transmission part 2 from being separated from the mounting seat 4, a limiting body c1 is arranged on the transmission part 2 in a protruding manner, the limiting body c1 can adopt at least two discontinuous protrusions or a continuous annular structure, and the outer diameter of the limiting body c1 is controlled to be matched with the inner diameter of the first hole body 11, namely, the outer diameter of the limiting body c1 is larger than the inner diameter of the second hole body 12, so that the limiting body c can move along the first hole body 11 and cannot penetrate into the second hole body 12, and the transmission part 2 cannot move to one end of the stress part 1 to be separated from the mounting seat 4.
On the basis of this, one end of the elastic body 7 is abutted against the limiting body c1, and the other end is correspondingly abutted against the transmission shaft 8, the elastic body 7 is only required to be a spring, and the connecting body can be pushed away from the transmission shaft 8 based on the elastic force, and correspondingly, when the connecting body is acted by external force and overcomes the elastic force of the elastic body 7, the connecting body can be connected with the transmission shaft 8 and can drive the transmission shaft 8 to rotate through rotating the connecting body.
And, consider waterproof demand, all be provided with the sealing washer 3 of O type between installation pedestal 4 and transmission part 2, shell body 6, seal the junction, effective waterproof invasion.
As shown in fig. 3, an operator presses the force receiving portion 1 with a hand to push the transmission portion 2 to move to the left against the elastic force of the elastic body 7, and insert the transmission portion 2 into the transmission shaft 8, the first connection section b1 of the transmission portion 2 is engaged with the second connection section a1 of the transmission shaft 8, further rotation of the force receiving portion 1 can drive the transmission portion 2 to rotate, the transmission portion 2 drives the transmission shaft 8 to rotate, and at this time, manual valve opening and closing control is achieved.
When the hand is loosened, the transmission part 2 automatically moves rightwards to reset under the action of the elastic force of the elastic body 7, the transmission part 2 is separated from the transmission shaft 8, and the execution structure can be changed into electric operation.
The present invention has described preferred embodiments, including the best mode known to those of the present invention for carrying out the present invention. Of course, variations of these preferred embodiments will be apparent to those skilled in the art. The present invention contemplates that skilled artisans can employ such variations as appropriate, and the present invention teaches that the invention can be practiced otherwise than as specifically described herein. Accordingly, this invention includes all modifications encompassed within the spirit and scope of the invention as defined by the claims. Moreover, unless stated otherwise or clearly contradicted by context, the present disclosure includes any such elements and all possible variations thereof.
Claims (9)
1. The utility model provides an motorised valve manual control mechanism, includes a shell body, be provided with a transmission shaft in the shell body, the transmission shaft is rotated by motor drive, its characterized in that still includes:
the mounting base body is detachably arranged on the outer shell, a through hole penetrates through the mounting base body, and the through hole and the transmission shaft are coaxially arranged;
the connecting body penetrates into the outer shell from one side of the mounting seat body through the through hole, and the connecting body is matched with the transmission shaft;
the elastic body is sleeved on the connecting body and arranged between the connecting body and the transmission shaft, and the elastic body pushes the connecting body away from the transmission shaft;
wherein, when the connecting body is acted by external force and overcomes the elasticity of the elastic body, the connecting body can be connected with the transmission shaft and can drive the transmission shaft to rotate by rotating the connecting body.
2. The electric valve manual control mechanism as claimed in claim 1, wherein the coupling body comprises a transmission portion and a force-receiving portion, the transmission portion is provided with a first connecting section at an end away from the force-receiving portion, the transmission shaft is provided with a second connecting section at an end close to the coupling body, the first connecting section is matched with the second connecting section, and when the first connecting section is connected to the second connecting section, the coupling body can drive the transmission shaft to rotate.
3. The manual control mechanism for electric valve as claimed in claim 2, wherein the transmission portion is axially movable along the through hole, and the force-receiving portion is located outside the mounting seat and cannot penetrate into the through hole.
4. The manual control mechanism for the electric valve as claimed in claim 3, wherein the through hole comprises a first hole and a second hole which are coaxially arranged, the inner diameter of the first hole is larger than the outer diameter of the second hole, and the first hole is located at a side close to the transmission shaft and is communicated with the inside of the outer shell.
5. The manual control mechanism for electric valve as claimed in claim 4, wherein the transmission portion is provided with a limiting body protruding outwards, and the limiting body can move along the first hole body and cannot penetrate into the second hole body.
6. The manual control mechanism for electric valve as claimed in claim 5, wherein one end of the elastic body abuts against the limiting body, and the other end of the elastic body abuts against the transmission shaft.
7. The manual control mechanism for electric valve as claimed in claim 1, wherein sealing rings are disposed between the mounting base and the transmission portion and between the mounting base and the outer housing.
8. An electrically operated valve comprising a manually controlled mechanism for an electrically operated valve as claimed in any one of claims 1 to 7.
9. The electric valve as claimed in claim 8, further comprising a main valve body, wherein the outer housing is connected to and communicates with the main valve body, and the transmission shaft is used for controlling the opening and closing of the main valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221069733.7U CN217422343U (en) | 2022-04-29 | 2022-04-29 | Electric valve manual control mechanism and electric valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221069733.7U CN217422343U (en) | 2022-04-29 | 2022-04-29 | Electric valve manual control mechanism and electric valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217422343U true CN217422343U (en) | 2022-09-13 |
Family
ID=83184178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221069733.7U Active CN217422343U (en) | 2022-04-29 | 2022-04-29 | Electric valve manual control mechanism and electric valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217422343U (en) |
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2022
- 2022-04-29 CN CN202221069733.7U patent/CN217422343U/en active Active
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