CN209512890U - A kind of trolley large arm pitches the coder structure in TT&C system - Google Patents
A kind of trolley large arm pitches the coder structure in TT&C system Download PDFInfo
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- CN209512890U CN209512890U CN201920462137.7U CN201920462137U CN209512890U CN 209512890 U CN209512890 U CN 209512890U CN 201920462137 U CN201920462137 U CN 201920462137U CN 209512890 U CN209512890 U CN 209512890U
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- encoder
- valve
- valve pocket
- large arm
- encoder housing
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Abstract
A kind of trolley large arm pitches the coder structure in TT&C system, including encoder housing and the encoder being arranged in encoder housing, side is provided with waterproof connector in the encoder housing, the vent valve for oil-stain-preventing is fixedly installed on the side wall of the other side, the vent valve includes the valve pocket being fixed on encoder housing side wall and the spool that is slidably located in valve pocket, the valve pocket is the cylinder of a cylindrical-shaped structure for being connected to encoder housing inner cavity with outside, the spool includes a central axis, it is fixed at the end plate of central axis bottom end and the valve plug on centrally disposed axis top, and several air holes for encoder housing inner cavity to be connected to outside are uniformly provided on end plate and valve plug, the central axis is located at formation air filtration chamber between the axis body and valve sleeving inner wall of valve pocket inner cavity, it is filled in the air filtration chamber Ventilative cotton.The utility model vent valve good using oil-stain-preventing effect in the position of air hole, effectively avoids the intrusion of greasy dirt.
Description
Technical field
The utility model relates to encoder techniques field, specially a kind of trolley large arm pitches the encoder in TT&C system
Structure.
Background technique
Encoder is to work out signal such as bit stream or data, be converted to the letter that can be used to communication, transimission and storage
The equipment of number form.Angular displacement or straight-line displacement are converted into electric signal by encoder, the former is known as code-disc, and the latter is known as yardstick.
Traditional coder structure is single, can often occur greasy dirt in use for some time or water invades situation in shell,
After invading grease, technical staff needs successively to break encoder power supply, dismantles screw, handles the silica gel at sealing, is tearing open
It unloads and is easy to because of disassembly or Rig up error encoder be broken down during reinstalling to use, shorten and use the longevity
Life.The case where most of intrusion grease of appearance is mostly the position that wiring position or air hole on encoder shell occurs
Place, current coder structure is mostly the setting porous plug at air hole, after long-time use, sealing effect simultaneously bad, nothing
Method prevents the immersion of greasy dirt or water.
Utility model content
To solve the above-mentioned problems, the purpose of this utility model is to propose that a kind of trolley large arm pitches the volume in TT&C system
Code device structure effectively avoids the intrusion of greasy dirt in the position of the air hole vent valve good using oil-stain-preventing effect.
A kind of technical solution that the utility model is taken to solve the above-mentioned problems are as follows: trolley large arm flexion-extension TT&C system
In coder structure, including encoder housing and the encoder that is arranged in encoder housing, one in the encoder housing
Side is provided with waterproof connector, and the vent valve for oil-stain-preventing is fixedly installed on the side wall of the other side, and the vent valve includes solid
The valve pocket that is arranged on encoder housing side wall and the spool being slidably located in valve pocket calmly, the valve pocket are one by encoder shell
The cylinder for the cylindrical-shaped structure that intracoelomic cavity is connected to outside, the spool include a central axis, are fixed at central axis bottom end
End plate and centrally disposed axis top valve plug, the outer diameter of the end plate and valve plug matches with the internal diameter of valve pocket, end plate
The length of maximum spacing and valve pocket inner cavity between valve plug matches, and several use are uniformly provided on end plate and valve plug
In by encoder housing inner cavity and external air hole be connected to, the central axis be located at valve pocket inner cavity axis body and valve sleeving inner wall it
Between form air filtration chamber, filled with ventilative cotton in the air filtration chamber.
Preferably, the end of the valve plug is provided with the fixed ring for being pulled out or being inserted into valve pocket.
Preferably, the ventilative cotton is PP cotton.
Preferably, the encoder housing bottom, which is provided with, is connected with trolley large arm mandrel, on the encoder
Mandrel end is plugged in the end center of trolley large arm mandrel.
Preferably, the electricity with encoder connection is provided in the encoder housing at encoder top
Road plate.
Compared with prior art, the utility model has the following beneficial effects:
A kind of trolley large arm described in the utility model pitches the coder structure in TT&C system, in the position of air hole
Place's installation vent valve, vent valve use the detachable structure of plug-in type, ventilative cotton are filled in spool, and cotton of on the one hand breathing freely can protect
The ventilative effect of card, on the other hand, ventilative cotton can also effectively hinder the intrusion of greasy dirt or water, guarantee encoder it is normal long when
Between work, and spool can also be extracted after a period of use, remove ventilative cotton and cleared up or replaced, it is very convenient, separately
Outside, valve pocket is fixed on the shell of encoder, is guaranteed sealing effect, is closely slided between the valve plug and end plate and valve pocket on spool
Fitting guarantees the blocking to greasy dirt or water by cotton of breathing freely, and overall structure is simple, and using effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of vent valve in the utility model；
Fig. 3 is the side structure schematic view of spool in the utility model；
Fig. 4 is the structural schematic diagram of spool in the utility model.
Specific embodiment
It elaborates combined with specific embodiments below to the utility model, the present embodiment is with technical solutions of the utility model
Premised on, the detailed implementation method and specific operation process are given.
As shown, the utility model is the coder structure in a kind of trolley large arm flexion-extension TT&C system, including coding
Device shell 1 and the encoder 2 being arranged in encoder housing 1, side is provided with waterproof connector 3 in the encoder housing 1, separately
The vent valve 4 for oil-stain-preventing is fixedly installed on the side wall of side, the vent valve 4 includes being fixed at encoder housing
Valve pocket 5 on 1 side wall and the spool 6 being slidably located in valve pocket 5, the valve pocket 5 are one by 1 inner cavity of encoder housing and external
The cylinder of the cylindrical-shaped structure of connection, the spool 6 include a central axis 7,8 and of end plate for being fixed at 7 bottom end of central axis
Internal diameter of the outer diameter of the valve plug 9 on centrally disposed 7 top of axis, the end plate 8 and valve plug 9 with valve pocket 5 matches, 8 He of end plate
The length of maximum spacing and 5 inner cavity of valve pocket between valve plug 9 matches, and is uniformly provided with several on end plate 8 and valve plug 9
Air hole 10 for 1 inner cavity of encoder housing to be connected to outside, the central axis 7 are located at the axis body and valve of 5 inner cavity of valve pocket
Formation air filtration chamber 11 between 5 inner walls is covered, ventilative cotton 12 is filled in the air filtration chamber 11.
The above is the basic embodiment of the utility model, can be improved further, optimize on the basis of above
Or it limits.
Further, the end of the valve plug 9 is provided with the fixed ring 13 for being pulled out or being inserted into valve pocket 5.
Further, the ventilative cotton 12 is PP cotton.
Further, 1 bottom of encoder housing, which is provided with, is connected with trolley large arm mandrel 14, on the encoder 2
21 end of mandrel be plugged in the end center of trolley large arm mandrel 14.
Further, it is located at 2 top of encoder in the encoder housing 1 and is provided with and 2 connection of encoder
Circuit board 15.
A kind of trolley large arm described in the utility model pitches the coder structure in TT&C system, in the position of air hole
Place's installation vent valve, vent valve use the detachable structure of plug-in type, ventilative cotton are filled in spool, and cotton of on the one hand breathing freely can protect
The ventilative effect of card, on the other hand, ventilative cotton can also effectively hinder the intrusion of greasy dirt or water, guarantee encoder it is normal long when
Between work, and spool can also be extracted after a period of use, remove ventilative cotton and cleared up or replaced, it is very convenient, separately
Outside, valve pocket is fixed on the shell of encoder, is guaranteed sealing effect, is closely slided between the valve plug and end plate and valve pocket on spool
Fitting guarantees the blocking to greasy dirt or water by cotton of breathing freely, and overall structure is simple, and using effect is good.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model
Limitation, although the utility model with preferred embodiment description as above, be not intended to limit the utility model, it is any ripe
Professional and technical personnel is known, is not being departed within the scope of technical solutions of the utility model, when using technology contents described above
A little change for making or modification are the equivalent embodiment of equivalent variations, but all without departing from technical solutions of the utility model
Hold, any simple modification, equivalent change and modification made by the above technical examples according to the technical essence of the present invention, still
It is within the scope of the technical solutions of the present invention.
Claims (5)
1. a kind of trolley large arm pitches the coder structure in TT&C system, including encoder housing (1) and setting in encoder
Encoder (2) in shell (1), it is characterised in that: side is provided with waterproof connector (3) on the encoder housing (1), another
The vent valve (4) for oil-stain-preventing is fixedly installed on the side wall of side, the vent valve (4) includes being fixed at encoder shell
The spool (6) in valve pocket (5) and the valve pocket that is slidably located in (5) on body (1) side wall, the valve pocket (5) are one by encoder shell
The cylinder of body (1) inner cavity and external cylindrical-shaped structure be connected to, the spool (6) including a central axis (7), be fixed at
The end plate (8) of mandrel (7) bottom end and the valve plug (9) on centrally disposed axis (7) top, the outer diameter of the end plate (8) and valve plug (9)
Internal diameter with valve pocket (5) matches, the length phase of the maximum spacing between end plate (8) and valve plug (9) and valve pocket (5) inner cavity
Match, and is uniformly provided with what several were used to for being connected to outside encoder housing (1) inner cavity on end plate (8) and valve plug (9)
Air hole (10), the central axis (7) are located at formation air filtration chamber (11) between the axis body of valve pocket (5) inner cavity and valve pocket (5) inner wall,
Filled with ventilative cotton (12) in the air filtration chamber (11).
2. a kind of trolley large arm as described in claim 1 pitches the coder structure in TT&C system, it is characterised in that: described
The end of valve plug (9) is provided with the fixed ring (13) for being pulled out or being inserted into valve pocket (5).
3. a kind of trolley large arm as described in claim 1 pitches the coder structure in TT&C system, it is characterised in that: described
Ventilative cotton (12) are PP cotton.
4. a kind of trolley large arm as described in claim 1 pitches the coder structure in TT&C system, it is characterised in that: described
Encoder housing (1) bottom, which is provided with, is connected with trolley large arm mandrel (14), and mandrel (21) end on the encoder (2) is inserted
It is located at the end center of trolley large arm mandrel (14).
5. a kind of trolley large arm as described in claim 1 pitches the coder structure in TT&C system, it is characterised in that: described
It is provided with and the circuit board (15) of encoder (2) connection at being located at the top of encoder (2) in encoder housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462137.7U CN209512890U (en) | 2019-04-08 | 2019-04-08 | A kind of trolley large arm pitches the coder structure in TT&C system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920462137.7U CN209512890U (en) | 2019-04-08 | 2019-04-08 | A kind of trolley large arm pitches the coder structure in TT&C system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209512890U true CN209512890U (en) | 2019-10-18 |
Family
ID=68188011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920462137.7U Expired - Fee Related CN209512890U (en) | 2019-04-08 | 2019-04-08 | A kind of trolley large arm pitches the coder structure in TT&C system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209512890U (en) |
-
2019
- 2019-04-08 CN CN201920462137.7U patent/CN209512890U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |