CN207724244U - A kind of unloading valve closing in tool that both sides tightening can discharge automatically - Google Patents
A kind of unloading valve closing in tool that both sides tightening can discharge automatically Download PDFInfo
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- CN207724244U CN207724244U CN201720989661.0U CN201720989661U CN207724244U CN 207724244 U CN207724244 U CN 207724244U CN 201720989661 U CN201720989661 U CN 201720989661U CN 207724244 U CN207724244 U CN 207724244U
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- unloading valve
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Abstract
The utility model proposes a kind of both sides to tighten the unloading valve closing in tool that can be discharged automatically, belong to duty valve mounting technology, tool is made of braced frame, lower support base, upper pressed seat, swivel head, closing in bar, closing in head, release spring, rotational handle, feather key；By positioning up and down and clamping structure, ensure that cutting ferrule does not tilt during closing up, not play；By left and right closing device and spring, closing device discharges unloading valve automatically when so that closing in operation is reduced to two rotation process, and reversely rotating, and convenient for taking out, effectively shortens the operating time of closing up, and improves the consistency for operation of closing up, improves efficiency and quality.
Description
Technical field
The utility model belongs to duty valve mounting technology, and in particular to a kind of unloading valve receipts that both sides tightening can discharge automatically
Mouth tool.
Background technology
Unloading valve is the important component of hydraulic servo actuator.Certain model hydraulic servo actuator unloading valve component is by three
It is grouped as：Valve pocket component, cutting ferrule, inner end cap assemblies.Valve pocket component and inner end cap assemblies cutting ferrule are connected in assembling process
It is connected into an entirety, cutting ferrule lower part is stuck in after closing up and deforming in the annular groove of off-load valve pocket, and cutting ferrule top presses against end cap and off-load
Valve pocket fits closely, and realizes connection.Since unloading valve is made of above-mentioned three parts, inner end cap component internal has multiple small by zero again
Part, this causes certain difficulty to assembly.Also, this is the unloading valve model for using this closing-in structure to assemble for the first time, without special
Assembly tool.
Existing closing in operation realized using two pawl bearing pullers, however two pawl bearing pullers are due to being specific purpose tool,
Its Shortcomings during closing in, mainly has：
It can not effectively fix valve pocket component, cutting ferrule, inner end cap assemblies, inner end cap assemblies and be fastened in easily askew during closing in
Tiltedly, it causes to close up and fail；
It is fastened in stress deformation during closing up, is easily axially moved along unloading valve, off-design position, causes to close up discontented
Sufficient design requirement or failure of closing up；
When closing up every time, two pawls draw the position of horse to be not fixed, and cause closing in effect inconsistent.
Utility model content
The purpose of this utility model is：
By positioning up and down and clamping structure, ensure that cutting ferrule does not tilt during closing up, not play；It is closed up and is filled by left and right
It sets and spring, closing device discharges unloading valve automatically when so that closing in operation is reduced to two rotation process, and reversely rotating, and is convenient for
It takes out, effectively shortens the operating time of closing up, improve the consistency for operation of closing up, improve efficiency and quality.
The technical solution of the utility model：
The unloading valve closing in tool that a kind of tightening of both sides can discharge automatically is by braced frame, lower support base, upper pressed seat, rotation
Rotary head, closing in bar, closing in head, release spring, rotational handle, feather key composition；Braced frame is located among the present apparatus, is one
Hollow frame has tapped through hole up and down, and there is internal thread in the part that the through-hole of the left and right sides is outer；Upper pressed seat passes through frame
The threaded hole on frame top is connect with frame；The top of upper pressed seat is radially provided with through-hole, and rotational handle is passed through from hole, upper pressure
The lower pressure head lower face of tight seat is provided with groove；Closing in head right end is connected with closing in bar left end with transition, closing in head left end
Semicircular in shape, and semicircular two seamed edges have rounding；Be provided with keyway on closing in bar busbar, in keyway interference press fitting be oriented to
Key；Closing in head, the closing in bar for being pressed with feather key penetrate the hole on the right side of braced frame from right to left, and the hole is close to the frame rightmost side
One section has internal thread, and swivel head is installed on the internal thread；There is external screw thread on swivel head head, one section of internal thread with the frame rightmost side
It screws, rotation head-tail has through-hole, penetrates rotational handle；The structure of frame left and right side are symmetrical, and the closing in head in left side is oriented to
Key, closing in bar, swivel head and rotational handle are mirrored into relationship with right side；Lower support base is connected with braced frame lower part by screw thread
It connects, lower support base can be directly threaded into the threaded hole positioned at braced frame lower part.
Further, the top of lower support base is fluted.
Further, closing in bar left end is provided with rectangular channel.
Further, release spring is sleeved on closing in bar, the closing in head of the left and right sides, is pressed with guiding at release spring
The closing in bar of key integrally penetrates at left and right sides of braced frame.After the completion of closing in, swivel head is screwed out, release spring pushes left and right two
Closing in head, feather key and the closing in bar of side are retracted automatically, discharge closing in part.
Further, closing in head and closing in bar are split type, and closing in head easy to wear is passed through transition cooperation and closing in bar
Connection ensures the intensity of connection, replaced at any time after also allowing for the abrasion of closing in head, reduce later stage tool maintenance cost.
The advantages of the use of the new type is：
Closing in tool in practical applications, three components of unloading valve is fixed in the tool, cutting ferrule is pushed down with pressed seat
Positioning, then left and right closing device is rotated to achieve the purpose that closing in.
Closing in tool ensure that and be unloaded using the tightening device for compressing positioning, closing in head fission design, being discharged automatically with spring
Being rapidly completed for lotus valve tightening operation, is effectively simplified positioning, tightening, inspection, the installation step tightened again, is improving assembly effect
In the case of rate, the consistency for operation of closing up is also improved, meanwhile, fission design is also beneficial to the convenience and warp of tool maintenance
Ji property.
Description of the drawings
Fig. 1 is that the unloading valve closing in tool construction schematic diagram that can be discharged automatically is tightened in a kind of both sides；
Fig. 2 is unloading valve schematic diagram.
Number explanation：The upper pressed seat of 1- braced frames, 2-, 3- rotational handles, 4- closing ins head, 5- feather keys, 6-
Support base under release spring, 7- closing ins bar, 8- swivel heads, 9-, 10- end caps, 11- cutting ferrules, 12- valve pockets.
Specific implementation mode
The utility model is described in further details below.If Fig. 2 is unloading valve schematic diagram,
The unloading valve closing in tool that a kind of tightening of both sides can discharge automatically is by braced frame, lower support base, upper pressed seat, rotation
Rotary head, closing in bar, closing in head, release spring, rotational handle, feather key composition.Connection relation, position between each building block
Relationship is as shown in Figure 1.1 braced frame is located at centre, is a hollow frame, there is tapped through hole, the left and right sides up and down
Through-hole on, there is internal thread in the part that the through-hole of the left and right sides is outer.Pressed seat passes through the threaded hole and frame of framework upper on 2
Connection.The top of upper pressed seat 2 is radially provided with through-hole, and 3 rotational handles are passed through from hole, on 2 under the lower pressure head of pressed seat
End face is provided with groove.4 closing in head right ends are mounted in the rectangular channel of 7 closing in bar left ends, 4 closing in head left end semicirculars in shape, and half
Round two seamed edges have rounding.Be provided with keyway on 7 closing in bar busbares, in keyway interference be pressed 5 feather keys.4 closing in heads, press fitting
There are 7 closing in bars of 5 feather keys, three to penetrate the hole on the right side of 1 braced frame from right to left, which has for one section close to the frame rightmost side
The external screw thread of internal thread, the internal thread and 8 swivel head left ends screws.8 rotation head-tails have through-hole, can penetrate 2 rotational handles.Frame
Structure and right side on the left of frame is symmetrical, 4 closing in heads, 5 feather keys, 7 closing in bars, 8 swivel heads and 3 rotational handles in left side with the right side
Side is mirrored into relationship.9 times support bases are connected through a screw thread with 1 braced frame lower part, and 9 times support base can be directly threaded into positioned at 1
Support the threaded hole of lower frame.The top of 9 times support bases is fluted.
After 6 release springs are sleeved on 7 closing in bars, 4 closing in heads of the left and right sides, are pressed with 5 feather keys at 6 release springs
6 closing in bars penetrate at left and right sides of 1 braced frame as shown in Figure 1.After the completion of closing in, 8 swivel heads, 6 release springs are screwed out
It pushes 4 closing in heads, 5 feather keys and the 7 closing in bars of the left and right sides to retract automatically, discharges closing in part.
4 closing in heads are split type with 7 closing in bars, 4 closing in heads easy to wear are connect with transition cooperation with 7 closing in bars, i.e.,
The intensity for ensureing connection is replaced after also allowing for the abrasion of 4 closing in heads, reduces later stage tool maintenance cost at any time.
Steps are as follows for the use of the utility model：
1. installing unloading valve
Valve pocket, cutting ferrule, end cap are tentatively ready to by Fig. 2.Unloading valve is made of it 10 end caps, 11 cutting ferrules, 12 valve pockets.
12 valve pockets are put into the groove of 9 times support bases.It holds 3 rotational handles of top and rotates clockwise, pressed seat is with rotation on 2
Decline and compresses cutting ferrule.At this time 10 end caps, 11 cutting ferrules, 12 valve pockets axial position fix, and will not in the closing in of next step
Play.Installation is complete.
2. closing up
Braced frame is placed on surely, right-hand man rotates 2 rotational handles of left and right closing device, keeps closing in head constantly close
Cutting ferrule.When the 4 closing in heads of the right and left touch 11 cutting ferrule, left and right firmly rotates 3 rotational handles, makes 11 cutting ferrule lower half portion
Deformation tightening, is caught in the annular groove of 12 valve pocket upper ends, realizes the close connection of 10 end caps and 12 valve pockets, completes to close up.
3. unclamping
3 rotational handles of left and right are reversely rotated, 7 closing in bars and 4 closing in heads are under the action of 6 release spring, with 8 rotary heads
Movement retract automatically, realize automatic release unloading valve.
4. taking out unloading valve
Compressor arm and 3 rotational handles on 2 are rotated counterclockwise, and compressor arm moves up on 2, takes out and completes the off-load after closing up
Valve.
Claims (5)
1. the unloading valve closing in tool that can be discharged automatically is tightened in a kind of both sides, by braced frame, lower support base, upper pressed seat, rotation
Rotary head, closing in bar, closing in head, release spring, rotational handle, feather key composition；It is characterized in that：Braced frame is located at this tool
Centre is a hollow frame, there is tapped through hole up and down, and there is internal thread in the part that the through-hole of the left and right sides is outer；On
Pressed seat passes through the threaded hole of framework upper to be connect with frame；The top of upper pressed seat is radially provided with through-hole, rotational handle from
It is passed through in the through-hole of upper pressed seat, the lower pressure head lower face of upper pressed seat is provided with groove；Closing in head right end and closing in bar left end
It is connected with transition, closing in head left end semicircular in shape, and semicircular two seamed edges have rounding；It is provided on closing in bar busbar
Keyway, in keyway interference be pressed feather key；Closing in head, the closing in bar for being pressed with feather key are penetrated from right to left on the right side of braced frame
Hole, which has internal thread for one section close to the frame rightmost side, swivel head is installed on the internal thread；There is external screw thread on swivel head head,
It is screwed with one section of internal thread of the frame rightmost side, rotation head-tail has through-hole, penetrates rotational handle；The structure of frame left and the right side
Side is symmetrical, and closing in head, feather key, closing in bar, swivel head and the rotational handle in left side are mirrored into relationship with right side；Lower support base
It is connected through a screw thread with braced frame lower part, lower support base can be directly threaded into the threaded hole positioned at braced frame lower part.
2. the unloading valve closing in tool that can be discharged automatically is tightened in a kind of both sides according to claim 1, it is characterized in that：It is described
The top of lower support base is fluted.
3. the unloading valve closing in tool that can be discharged automatically is tightened in a kind of both sides according to claim 1, it is characterized in that：It is described
Closing in bar left end is provided with rectangular channel.
4. the unloading valve closing in tool that can be discharged automatically is tightened in a kind of both sides according to claim 1, it is characterized in that：It is described
Closing in head is split type with closing in bar, and closing in head easy to wear is connect by transition cooperation with closing in bar.
5. the unloading valve closing in tool that can be discharged automatically is tightened in a kind of both sides according to claim 1, it is characterized in that：It is described
Closing in head is detachable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989661.0U CN207724244U (en) | 2017-08-09 | 2017-08-09 | A kind of unloading valve closing in tool that both sides tightening can discharge automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989661.0U CN207724244U (en) | 2017-08-09 | 2017-08-09 | A kind of unloading valve closing in tool that both sides tightening can discharge automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207724244U true CN207724244U (en) | 2018-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989661.0U Active CN207724244U (en) | 2017-08-09 | 2017-08-09 | A kind of unloading valve closing in tool that both sides tightening can discharge automatically |
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| CN (1) | CN207724244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605275A (en) * | 2019-01-28 | 2019-04-12 | 北京天地玛珂电液控制***有限公司 | Hydraulic valve handles are pressed assembly and pressing method |
| CN110202358A (en) * | 2019-05-15 | 2019-09-06 | 苏州托克斯冲压设备有限公司 | Broached bushing closing device |
-
2017
- 2017-08-09 CN CN201720989661.0U patent/CN207724244U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109605275A (en) * | 2019-01-28 | 2019-04-12 | 北京天地玛珂电液控制***有限公司 | Hydraulic valve handles are pressed assembly and pressing method |
| CN110202358A (en) * | 2019-05-15 | 2019-09-06 | 苏州托克斯冲压设备有限公司 | Broached bushing closing device |
| CN110202358B (en) * | 2019-05-15 | 2024-03-01 | 苏州托克斯冲压设备有限公司 | Opening bushing closing-in device |
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