CN213017980U - Electric actuator coupling device - Google Patents
Electric actuator coupling device Download PDFInfo
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- CN213017980U CN213017980U CN202020185132.7U CN202020185132U CN213017980U CN 213017980 U CN213017980 U CN 213017980U CN 202020185132 U CN202020185132 U CN 202020185132U CN 213017980 U CN213017980 U CN 213017980U
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- electric actuator
- connecting hole
- coupling device
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Abstract
The utility model provides an electric actuator coupling device, which comprises a first connecting part, an isolating layer and a second connecting part which are connected in sequence, wherein the first connecting part is provided with a circular connecting hole, and the second connecting part is provided with a square connecting hole; the circular connecting hole extends to the isolation layer from the end face of one end, far away from the second connecting part, of the first connecting part; the square connecting hole extends to the isolation layer from the end face of one end, far away from the first connecting part, of the second connecting part; the round connecting hole is coaxial with the square connecting hole; the first connecting part is provided with a fixing groove communicated with the circular connecting hole; a first annular sealing groove is arranged on the end face of one end, far away from the second connecting part, of the first connecting part, the first annular sealing groove surrounds the circular connecting hole, and the first annular sealing groove is communicated with the fixing groove; the first annular sealing groove is matched with the first sealing ring, and one end of the first sealing ring, which is far away from the second connecting part, is sealed and fixed in the groove. The utility model discloses can avoid electric actuator to break down because of intaking.
Description
Technical Field
The utility model relates to an electric actuator connecting device technical field, concretely relates to electric actuator coupling device.
Background
In an industrial air conditioning system, an electric valve is generally adopted to realize automatic opening and closing control of a pipeline valve, an electric actuator of the existing electric valve is generally connected with the valve through a coupling device, however, the existing coupling device is poor in sealing performance, so that the electric actuator is easy to enter chilled water to cause failure. Therefore, how to make the coupling device have better sealing performance to avoid the electric actuator from water inflow and causing failure becomes a technical problem which needs to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electric actuator coupling device to avoid electric actuator to break down because of intaking.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a shaft coupling device of an electric actuator comprises a first connecting part, an isolating layer and a second connecting part which are sequentially connected, wherein a circular connecting hole used for being connected with a valve is formed in the first connecting part, and a square connecting hole used for being connected with the electric actuator is formed in the second connecting part; the circular connecting hole extends to the isolating layer from the end face of one end, far away from the second connecting part, of the first connecting part; the square connecting hole extends to the isolation layer from the end face of one end, far away from the first connecting part, of the second connecting part; the round connecting hole and the square connecting hole are coaxially arranged; a fixing groove communicated with the circular connecting hole is formed in the first connecting portion, and the fixing groove extends to the isolating layer from the end face of one end, far away from the second connecting portion, of the first connecting portion; a first annular sealing groove is formed in the end face of one end, far away from the second connecting part, of the first connecting part, the first annular sealing groove surrounds the circular connecting hole, and the first annular sealing groove is communicated with the fixing groove; the first annular sealing groove is used for being matched with a first sealing ring, and the first sealing ring seals one end, far away from the second connecting portion, of the fixing groove.
Preferably, the sealing device further comprises a second sealing ring, a second annular sealing groove is further formed in the end face, far away from one end of the second connecting portion, of the first connecting portion, the second annular sealing groove is matched with the second sealing ring, and the second annular sealing groove is surrounded outside the first annular sealing groove.
Preferably, the seal further comprises a pressing sheet for pressing the first seal ring into the first annular seal groove and the second seal ring into the second annular seal groove.
Preferably, the first connecting portion, the isolation layer and the second connecting portion are all cylindrical structures.
Preferably, in an axial direction of the first connection portion, a length of the first annular seal groove extends is smaller than a length of the second annular seal groove.
Preferably, the first connection portion, the isolation layer, and the second connection portion are formed as an integrated structure.
The beneficial effects of the utility model reside in that:
the first sealing ring of the electric actuator coupling device can seal the fixed groove and can also seal the joint of the first connecting part and the valve, thereby effectively preventing refrigerant water from entering the circular connecting hole and the fixed groove; meanwhile, the isolating layer is arranged between the first connecting portion and the second connecting portion, so that a good isolating effect can be achieved, the refrigerant water is effectively prevented from entering the square connecting hole from the fixing groove and the circular connecting hole, the refrigerant water cannot enter the electric actuator, and therefore the electric actuator is well prevented from being broken down due to water inlet.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments are briefly introduced below, and the detailed description of the embodiments of the present invention is further described with reference to the drawings, wherein
Fig. 1 is a schematic view of an electric actuator coupling device according to an embodiment of the present invention;
fig. 2 is a schematic view of a circular connecting hole provided in an embodiment of the present invention;
fig. 3 is a schematic view of a square connecting hole provided in the embodiment of the present invention.
In the drawings, the reference numbers:
11. first connection portion 12, circular connection hole 13, fixing groove
14. First annular seal groove 15, second annular seal groove 21, isolation layer
31. Second connecting part 32, Square connecting hole
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to specific embodiments.
As shown in fig. 1 to 3, an embodiment of the present invention provides an electric actuator coupling device, which includes a first connecting portion 11, an isolating layer 21, and a second connecting portion 31 connected in sequence, wherein the first connecting portion is provided with a circular connecting hole 12 for connecting with a valve, and the second connecting portion is provided with a square connecting hole 32 for connecting with an electric actuator; the circular connecting hole extends to the position of the isolating layer 21 from the end face of one end, far away from the second connecting part, of the first connecting part; the square connecting hole extends to the isolation layer from the end face of one end, far away from the first connecting part, of the second connecting part; the round connecting hole and the square connecting hole are coaxially arranged; a fixing groove 13 communicated with the circular connecting hole is formed in the first connecting portion, and the fixing groove extends to the isolating layer from the end face of one end, far away from the second connecting portion, of the first connecting portion; a first annular sealing groove 14 is formed in the end face of one end, far away from the second connecting part, of the first connecting part, the first annular sealing groove surrounds the circular connecting hole, and the first annular sealing groove 14 is communicated with the fixing groove 13; the first annular sealing groove is used for being matched with a first sealing ring, and the first sealing ring seals one end, far away from the second connecting portion, of the fixing groove.
The embodiment of the utility model provides an electric actuator coupling device, its first sealing washer can seal the fixed slot, can also seal the junction of first connecting portion and valve to can avoid refrigerant water to get into circular connecting hole 12 and fixed slot 13 effectively; meanwhile, the isolating layer is arranged between the first connecting part and the second connecting part, so that a better isolating effect can be achieved, the refrigerant water is effectively prevented from entering the square connecting hole 32 from the fixing groove 13 and the circular connecting hole 12, the refrigerant water cannot enter the electric actuator, and the electric actuator is prevented from being broken down due to water inlet.
Further, the embodiment of the utility model provides an electric actuator shaft coupling device still includes the second sealing washer, keep away from on the first connecting portion 11 still be provided with second annular seal groove 15 on the terminal surface of the one end of second connecting portion, second annular seal groove 15 with the second sealing washer cooperatees, second annular seal groove 15 encircles outside first annular seal groove 14. By adopting the scheme, the sealing effect of the joint of the first connecting part 11 and the valve can be better through the first sealing ring and the second sealing ring.
Further, the embodiment of the present invention provides an electric actuator coupling device, which further includes a pressing plate for pressing the first sealing ring into the first annular sealing groove 14 and pressing the second sealing ring into the second annular sealing groove 15. By adopting the scheme, the first sealing ring and the second sealing ring can be respectively pressed into the first annular sealing groove 14 and the second annular sealing groove 15 through the pressing sheet, so that the first sealing ring and the first annular sealing groove 14 can be matched, and the second sealing ring and the second annular sealing groove 15 can be matched conveniently and rapidly.
It may be preferable that the first connection portion 11, the isolation layer 21, and the second connection portion 31 are all cylindrical structures, so as to facilitate processing and avoid scratching other components and people.
Specifically, in the axial direction of the first connection portion, the first annular seal groove 14 extends for a length shorter than that of the second annular seal groove 15, so as to achieve a better sealing effect.
Preferably, the first connecting portion 11, the spacer 21, and the second connecting portion 31 are formed in an integrated structure, so that the overall strength of the electric actuator coupling device can be improved.
It can be understood that the fixing groove is used for matching with a limit protrusion arranged on a connecting rod of the electric actuator. After receiving the action signal of the control system, the electric actuator drives the coupling device to rotate through the connecting rod, so that the valve is opened and closed. When the existing coupling device is used, refrigerant water easily enters the electric actuator to cause the electric actuator to break down, the air conditioning system needs to be stopped at the moment, then the refrigerant water in the air conditioning system is emptied, and then the coupling device and the electric actuator are dismounted for maintenance, so that the normal operation of the air conditioning system is influenced, and a large amount of water sources are wasted. However, use the embodiment of the utility model provides an electric actuator coupling device can avoid electric actuator to break down because of intaking better to effectively improved the reliability of air conditioning system operation, reduced the energy waste, improved work efficiency.
The above are only preferred embodiments of the present invention, and it should be noted that these examples are only used for illustrating the present invention and not for limiting the scope of the present invention, and after reading the content of the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalents also fall within the scope defined by the claims attached to the present application.
Claims (6)
1. A coupling device of an electric actuator is characterized by comprising a first connecting part, an isolating layer and a second connecting part which are sequentially connected, wherein the first connecting part is provided with a circular connecting hole used for being connected with a valve, and the second connecting part is provided with a square connecting hole used for being connected with the electric actuator; the circular connecting hole extends to the isolating layer from the end face of one end, far away from the second connecting part, of the first connecting part; the square connecting hole extends to the isolation layer from the end face of one end, far away from the first connecting part, of the second connecting part; the round connecting hole and the square connecting hole are coaxially arranged; a fixing groove communicated with the circular connecting hole is formed in the first connecting portion, and the fixing groove extends to the isolating layer from the end face of one end, far away from the second connecting portion, of the first connecting portion; a first annular sealing groove is formed in the end face of one end, far away from the second connecting part, of the first connecting part, the first annular sealing groove surrounds the circular connecting hole, and the first annular sealing groove is communicated with the fixing groove; the first annular sealing groove is used for being matched with a first sealing ring, and the first sealing ring seals one end, far away from the second connecting portion, of the fixing groove.
2. The electric actuator coupling device according to claim 1, further comprising a second sealing ring, wherein a second annular sealing groove is further disposed on an end surface of the first connecting portion, the end surface being away from the second connecting portion, the second annular sealing groove is matched with the second sealing ring, and the second annular sealing groove surrounds the first annular sealing groove.
3. The electric actuator coupling device of claim 2, further comprising a press tab for pressing the first seal ring into the first annular seal groove and the second seal ring into the second annular seal groove.
4. The electric actuator coupling device of claim 2, wherein the first connection portion, the isolation layer, and the second connection portion are all cylindrical structures.
5. The electric actuator coupling device of claim 4, wherein the first annular seal groove extends a length in an axial direction of the first connection portion that is less than a length that the second annular seal groove extends.
6. The electric actuator coupling device according to any one of claims 1 to 5, wherein the first connecting portion, the insulating layer, and the second connecting portion are formed as an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185132.7U CN213017980U (en) | 2020-02-19 | 2020-02-19 | Electric actuator coupling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020185132.7U CN213017980U (en) | 2020-02-19 | 2020-02-19 | Electric actuator coupling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213017980U true CN213017980U (en) | 2021-04-20 |
Family
ID=75442197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020185132.7U Active CN213017980U (en) | 2020-02-19 | 2020-02-19 | Electric actuator coupling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213017980U (en) |
-
2020
- 2020-02-19 CN CN202020185132.7U patent/CN213017980U/en active Active
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