CN204512494U - Down-the-hole drill gas circuit rotary valve - Google Patents
Down-the-hole drill gas circuit rotary valve Download PDFInfo
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- CN204512494U CN204512494U CN201520084116.8U CN201520084116U CN204512494U CN 204512494 U CN204512494 U CN 204512494U CN 201520084116 U CN201520084116 U CN 201520084116U CN 204512494 U CN204512494 U CN 204512494U
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- gas circuit
- spool
- gas
- axis type
- revolution axis
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Abstract
The utility model discloses down-the-hole drill gas circuit rotary valve, comprise valve body, described valve body is provided with gas-entered passageway in the same way and outlet passageway, described valve body is provided with and described gas-entered passageway and the through spool chamber of outlet passageway, revolution axis type spool with spool chamber close-fitting is installed in described spool chamber, described revolution axis type spool is provided with the groove for being communicated with described gas-entered passageway and outlet passageway, and described revolution axis type spool is provided with the seal ring sealed by described spool chamber.By the gas-entered passageway that arranges in the same way and outlet passageway, realize gas circuit and turn to, compact structure, minimizing takes up room; Rotating shaft formula spool is communicated with by groove with gas-entered passageway and outlet passageway or staggers and can realize switch gas circuit, structure simple and durable, and not fragile, revolution axis type valve core rotation is easy, reduces the labor intensity of operator.
Description
Technical field
The utility model relates to down-the-hole drill Component, specifically down-the-hole drill gas circuit rotary valve.
Background technique
Along with the fast development of down-the-hole drill, also more and more higher to the requirement of its Component.The down-the-hole air hammer major part of existing down-the-hole drill adapted uses high pressure air to drive, and compressed-air actuated main air circuit breaker generally uses ball valve.But use ball valve to there is following problem as main valve: 1, because air pressure is high, ball valve switch difficulty, labor intensity of operating staff is large; 2, frequent switch easily causes ball valve to damage; 3, for the ease of operation, gas circuit main valve must at rig side and other operating grip concentrated settings, and ball valve need arrange towards the heavy caliber of homonymy and turns to tracheae, causes huge structure, takies large quantity space.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides down-the-hole drill gas circuit rotary valve, and compact structure, switch are light.
The utility model solves the technological scheme that its technical problem adopts:
Down-the-hole drill gas circuit rotary valve, comprise valve body, described valve body is provided with gas-entered passageway in the same way and outlet passageway, described valve body is provided with and described gas-entered passageway and the through spool chamber of outlet passageway, revolution axis type spool with spool chamber close-fitting is installed in described spool chamber, described revolution axis type spool is provided with the groove for being communicated with described gas-entered passageway and outlet passageway, and described revolution axis type spool is provided with the seal ring sealed by described spool chamber.
As the improvement of technique scheme, described revolution axis type spool is connected with handle.
As the further improvement of technique scheme, the outlet port described valve body being positioned at spool chamber is set with flange, and described flange is provided with the spacing breach for limiting described handle rotation angle.
Further, described gas-entered passageway is provided with the first through hole, is provided with oil nozzle in described first through hole, and the spout of described oil nozzle extend in described gas-entered passageway.
Further, the spout of described oil nozzle points to compressed-air actuated flow direction.
Further, the cylndrical surface of described revolution axis type spool is provided with two location be positioned on same circumference recessed, angle between described two location are recessed is consistent with the angle that described revolution axis type switching spool rotates, described valve body is provided with the positioning hole corresponding with described location recessed position, location decorative pearl on top of an official cap mechanism is provided with in described positioning hole, described location decorative pearl on top of an official cap mechanism comprises screw, spring and ball, and it is recessed that ball can be compressed into described location by spring by described screw.
Further, described outlet passageway is provided with the second through hole that can be used for being communicated with secondary gas circuit.
Further, described revolution axis type spool is connected with handle.
Further, in described gas-entered passageway and outlet passageway, screwed pipe joint is installed.
Further, described valve body four angles are provided with installation through hole.
The beneficial effects of the utility model are: by the gas-entered passageway that arranges in the same way and outlet passageway, realize gas circuit and turn to, compact structure, minimizing takes up room; Rotating shaft formula spool is communicated with by groove with gas-entered passageway and outlet passageway or staggers and can realize switch gas circuit, structure simple and durable, and not fragile, revolution axis type valve core rotation is easy, reduces the labor intensity of operator; By the seal ring closely cooperating and revolution axis type spool is arranged of revolution axis type spool and spool chamber, ensure sealing, prevent gas leakage.The utility model compact structure, conserve space, rotary valve switch is light, sturdy and durable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of valve body in the utility model;
Fig. 3, Fig. 4 are the structural representations of the utility model transfer shaft type spool;
Fig. 5 is the structural representation of flange in the utility model;
Fig. 6 is the structural representation of locating decorative pearl on top of an official cap mechanism in the utility model;
Fig. 7 is the structural representation of oil nozzle in the utility model.
Embodiment
With reference to Fig. 1 ~ Fig. 7, down-the-hole drill gas circuit rotary valve, comprise valve body 1, described valve body 1 is provided with gas-entered passageway 101 in the same way and outlet passageway 102, described valve body 1 is provided with and described gas-entered passageway 101 and the through spool chamber 103 of outlet passageway 102, revolution axis type spool 2 with spool chamber 103 close-fitting is installed in described spool chamber 103, described revolution axis type spool 2 is provided with the groove 201 for being communicated with described gas-entered passageway 101 and outlet passageway 102, described revolution axis type spool 2 is provided with the seal ring sealed by described spool chamber 103.Adopt said structure, by the gas-entered passageway 101 that arranges in the same way and outlet passageway 102, realize gas circuit and turn to, compact structure; Rotating shaft formula spool 2 can realize switch gas circuit, structure simple and durable by being communicated with or staggering of groove 201 and gas-entered passageway 101 and outlet passageway 102; By the seal ring that closely cooperate and revolution axis type spool 2 arranged of revolution axis type spool 2 with spool chamber 103, ensure sealing, prevent gas leakage.
In the present embodiment, preferably, described revolution axis type spool 2 is connected with handle 4.Preferably, the outlet port described valve body 1 being positioned at spool chamber 103 is set with flange 6, and described flange 6 is provided with the spacing breach 601 for limiting described handle 4 rotation angle.Adopt said structure, can rotating shaft formula spool 2 easily by handle 4, easy-to-operat, reduces labor intensity; Limit the rotation angle of handle 4 by spacing breach 601 thus prevent revolution axis type spool 2 from rotating excessively, improving the working life of valve.
In the present embodiment, preferably, described gas-entered passageway 101 is provided with the first through hole 104, is provided with oil nozzle 3 in described first through hole 104, and the spout 301 of described oil nozzle 3 extend in described gas-entered passageway 101.Preferably, the spout 301 of described oil nozzle 3 points to compressed-air actuated flow direction.Adopt said structure, the lubricant oil that oil nozzle 3 can be made to spray quick break under swiftly flowing pressurized air effect is mixed in pressurized air, is taken in Pneumatic actuator by pressurized air to lubricate Pneumatic actuator.
In the present embodiment, preferably, the cylndrical surface of described revolution axis type spool 2 is provided with two location recessed 202 be positioned on same circumference, angle between described two location recessed 202 is consistent with the angle that described revolution axis type spool 2 switch rotates, described valve body 1 is provided with positioning hole 106 corresponding to 202 positions recessed with described location, location decorative pearl on top of an official cap mechanism 7 is provided with in described positioning hole 106, described location decorative pearl on top of an official cap mechanism 7 comprises screw 701, spring 702 and ball 703, and ball 703 can be compressed into described location recessed 202 by spring 702 by described screw 701.Adopt said structure, when operator's rotating shaft formula spool 2 arrives the position opening or close gas circuit rotary valve, locate recessed 202 and can align positioning hole 106, location recessed 202 compressed into by ball 703 under the effect of spring 702, on the one hand as the location of revolution axis type spool 2, prevent revolution axis type spool 2 from being promoted to rotate by pressurized air, can rotate in place by alert revolution axis type spool 2 on the other hand.The pretightening force of screw 701 1 aspect adjustable springs 702, closes positioning hole 106 on the other hand and prevents gas leakage.
In the present embodiment, preferably, described outlet passageway 102 arranges and can be used for there is the second through hole 105 being communicated with secondary gas circuit.Adopt said structure, the second through hole 105, as the source of the gas of secondary gas circuit, can be given other Pneumatic component air feed, also can be used as the control signal source of electric elements.
In the present embodiment, preferably, in described gas-entered passageway 101 and outlet passageway 102, screwed pipe joint 5 is installed.Can quick mounting tracheae by screwed pipe joint 5, be convenient to assembling and later maintenance.
In the present embodiment, preferably, described valve body 1 four angles are provided with installation through hole 107.Adopt said structure, installation through hole 107 is convenient to the installation location of valve body 1, and result is firm, easy accessibility.
The above, just better embodiment of the present utility model, but the utility model is not limited to above-described embodiment, as long as it reaches technique effect of the present utility model with any same or similar means, all should fall within protection domain of the present utility model.
Claims (9)
1. down-the-hole drill gas circuit rotary valve, it is characterized in that: comprise valve body (1), described valve body (1) is provided with gas-entered passageway (101) in the same way and outlet passageway (102), described valve body (1) is provided with and described gas-entered passageway (101) and the through spool chamber (103) of outlet passageway (102), revolution axis type spool (2) with spool chamber (103) close-fitting is installed in described spool chamber (103), described revolution axis type spool (2) is provided with the groove (201) for being communicated with described gas-entered passageway (101) and outlet passageway (102), described revolution axis type spool (2) is provided with the seal ring sealed by described spool chamber (103).
2. down-the-hole drill gas circuit rotary valve according to claim 1, is characterized in that: described revolution axis type spool (2) is connected with handle (4).
3. down-the-hole drill gas circuit rotary valve according to claim 2, it is characterized in that: the outlet port described valve body (1) being positioned at spool chamber (103) is set with flange (6), described flange (6) is provided with the spacing breach (601) for limiting described handle (4) rotation angle.
4. down-the-hole drill gas circuit rotary valve according to claim 1, it is characterized in that: described gas-entered passageway (101) is provided with the first through hole (104), be provided with oil nozzle (3) in described first through hole (104), the spout (301) of described oil nozzle (3) extend in described gas-entered passageway (101).
5. down-the-hole drill gas circuit rotary valve according to claim 4, is characterized in that: the spout (301) of described oil nozzle (3) points to compressed-air actuated flow direction.
6. the down-the-hole drill gas circuit rotary valve according to claim arbitrary in claim 1 ~ 5, it is characterized in that: the cylndrical surface of described revolution axis type spool (2) is provided with two location recessed (202) be positioned on same circumference, angle between described two location recessed (202) is consistent with the angle that described revolution axis type spool (2) switch rotates, described valve body (1) is provided with positioning hole (106) corresponding to recessed with described location (202) position, location decorative pearl on top of an official cap mechanism (7) is provided with in described positioning hole (106), described location decorative pearl on top of an official cap mechanism (7) comprises screw (701), spring (702) and ball (703), ball (703) can be compressed into described location recessed (202) by spring (702) by described screw (701).
7. down-the-hole drill gas circuit rotary valve according to claim 6, is characterized in that: described outlet passageway (102) is provided with the second through hole (105) that can be used for being communicated with secondary gas circuit.
8. down-the-hole drill gas circuit rotary valve according to claim 7, is characterized in that: be provided with screwed pipe joint (5) in described gas-entered passageway (101) and outlet passageway (102).
9. down-the-hole drill gas circuit rotary valve according to claim 8, is characterized in that: described valve body (1) four angle is provided with installation through hole (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084116.8U CN204512494U (en) | 2015-02-05 | 2015-02-05 | Down-the-hole drill gas circuit rotary valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520084116.8U CN204512494U (en) | 2015-02-05 | 2015-02-05 | Down-the-hole drill gas circuit rotary valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204512494U true CN204512494U (en) | 2015-07-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520084116.8U Active CN204512494U (en) | 2015-02-05 | 2015-02-05 | Down-the-hole drill gas circuit rotary valve |
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| Country | Link |
|---|---|
| CN (1) | CN204512494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653803A (en) * | 2015-02-05 | 2015-05-27 | 广东顺德孔山重工机械有限公司 | Air circuit rotary valve for downhole drill |
-
2015
- 2015-02-05 CN CN201520084116.8U patent/CN204512494U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653803A (en) * | 2015-02-05 | 2015-05-27 | 广东顺德孔山重工机械有限公司 | Air circuit rotary valve for downhole drill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528322 No. 3-1-2, Fu'an Industrial Zone, leliulian Du Village, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Kongshan Heavy Industry Machinery Co.,Ltd. Address before: 528000 lot 3-1-2, Fu'an Industrial Zone, Leliu Liandu village, Shunde District, Foshan City, Guangdong Province Patentee before: GUANGDONG SHUNDE KOSAN HEAVY INDUSTRY MACHINERY CO.,LTD. |