CN211370450U - Fast-assembling hydraulic control lock - Google Patents
Fast-assembling hydraulic control lock Download PDFInfo
- Publication number
- CN211370450U CN211370450U CN202020061683.2U CN202020061683U CN211370450U CN 211370450 U CN211370450 U CN 211370450U CN 202020061683 U CN202020061683 U CN 202020061683U CN 211370450 U CN211370450 U CN 211370450U
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- China
- Prior art keywords
- plug cover
- sliding push
- push block
- ball
- steel ball
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Abstract
The utility model discloses a quick-assembly hydraulic control lock, which comprises a valve body, a valve core and a plug cover; the valve core is arranged in a valve hole of the valve body and is fixed through the plug cover; the periphery of the plug cover is uniformly provided with ball holes, steel balls are placed in the ball holes, and sliding push blocks for pushing the steel balls to protrude from the ball holes are further arranged in the plug cover; the sliding push block is axially and slidably arranged in the plug cover, and the inner end of the sliding push block is provided with a conical push surface corresponding to each steel ball; the inner wall of the valve hole is provided with a ring groove for clamping the steel ball; a tension spring is connected between the sliding push block and the plug cover, so that the sliding push block is embedded into the plug cover under the elastic force of the tension spring; the utility model discloses a ready-package liquid accuse lock, gag pass through the steel ball joint to be fixed in the valve body, and the steel ball is controlled through the slip ejector pad, can automatic locking behind the chucking, realizes the fast-assembling, convenient operation, compact structure.
Description
Technical Field
The utility model belongs to the technical field of mining equipment, especially, relate to a ready-package liquid accuse lock.
Background
Along with the development of the coal industry in China, high-yield and high-efficiency working faces are increasingly popularized, a hydraulic control lock is also greatly developed, and the hydraulic control one-way lock is used for locking liquid in a hydraulic cylinder in a hydraulic support system. Liquid accuse one-way lock generally comprises valve body, case and gag, is equipped with the valve opening that is used for installing the case in the valve body, and the case is fixed through the gag after installing in the valve opening, and the gag among the prior art generally adopts the helicitic texture, and the gag passes through threaded connection promptly in the valve opening, and dismouting efficiency is lower.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a ready-package liquid accuse lock, the gag passes through the steel ball joint to be fixed in the valve body, and the steel ball is controlled through the slip ejector pad, can automatic locking behind the chucking, realizes the fast-assembling, convenient operation.
The fast-assembly hydraulic control lock of the utility model comprises a valve body, a valve core and a plug cover; the valve core is arranged in a valve hole of the valve body and is fixed through the plug cover; the periphery of the plug cover is uniformly provided with ball holes, steel balls are placed in the ball holes, and sliding push blocks for pushing the steel balls to protrude from the ball holes are further arranged in the plug cover; the sliding push block is axially and slidably arranged in the plug cover, and the inner end of the sliding push block is provided with a conical push surface corresponding to each steel ball; the inner wall of the valve hole is provided with a ring groove for clamping the steel ball; a tension spring is connected between the sliding push block and the plug cover, so that the sliding push block is embedded into the plug cover under the elastic force of the tension spring; during installation, the sliding push block is pulled out manually, so that the steel balls are all embedded into the ball holes, the sliding push block is released after the steel balls are placed into the valve holes, the sliding push block slides inwards under the action of the tension spring, the steel balls are pushed out through the conical push surface, and the part of the steel balls protruding out of the ball holes is clamped in the ring grooves to realize positioning.
Furthermore, an arc surface groove is formed in the outer end face of the sliding push block, and a cross pull rod is fixed in the arc surface groove, so that manual operation of the sliding push block is facilitated.
Furthermore, the outer diameter of the sliding push block is the same as the inner diameter of the plug cover, the sum of the wall thickness of the plug cover and the depth of the annular groove is equal to the diameter of the steel ball, the taper of the tapered push surface is reasonably arranged, the steel ball can be completely embedded into the ball hole after the sliding push block is pulled out for a certain distance and is blocked by the tapered push surface, the steel ball is pushed out under the action of the tapered push surface after the sliding push block is released, and is finally separated from the tapered push surface, and the steel balls are supported through the outer circle surface of the sliding push block, so that the connection is stable.
Further, the excircle of gag is equipped with twice sealing ring, and twice sealing ring branch is listed as in the both sides of each ball hole, utilizes the sealing ring to seal between gag and the valve body, ensures sealed effect.
Furthermore, the inner end of the sliding push block is provided with a groove for accommodating a tension spring, the wall thickness of the plug cover is greater than the radius of the steel ball, and the tension spring is arranged in the groove, so that the structure is compact; the height of the steel ball protruding out of the ball hole is smaller than the radius of the steel ball, so that the steel ball can be automatically retracted into the ball hole under the blocking of the annular groove when the plug cover is taken out.
The utility model has the advantages that: the utility model discloses a ready-package liquid accuse lock, gag pass through the steel ball joint to be fixed in the valve body, and the steel ball is controlled through the slip ejector pad, can automatic locking behind the chucking, realizes the fast-assembling, convenient operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. In the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1 and 2: the quick-assembly type hydraulic control lock comprises a valve body 1, a valve core and a plug cover 2; the valve core is arranged in a valve hole of the valve body 1 and is fixed through the plug cover 2; ball holes are uniformly formed in the periphery of the plug cover 2, steel balls 5 are placed in the ball holes, and sliding push blocks 3 used for pushing the steel balls 5 to protrude from the ball holes are further installed in the plug cover 2; the sliding push block 3 is axially and slidably arranged in the plug cover 2, and the inner end of the sliding push block 3 is provided with a conical push surface corresponding to each steel ball 5; the inner wall of the valve hole is provided with a ring groove for clamping the steel ball 5; a tension spring 6 is connected between the sliding push block 3 and the plug cover 2, so that the sliding push block 3 is embedded into the plug cover 2 under the elastic force of the tension spring 6; during installation, the sliding push block 3 is pulled out manually, so that the steel balls 5 are all embedded into the ball holes, the sliding push block 3 is released after the steel balls are placed into the valve holes, the sliding push block 3 slides inwards under the action of the tension spring 6, then the steel balls 5 are pushed out through the conical push surface, and the parts, protruding out of the ball holes, of the steel balls 5 are clamped in the ring grooves, so that positioning is achieved.
In this embodiment, an arc groove is formed in an outer end surface of the sliding push block 3, and a tie rod 4 is fixed in the arc groove, so that manual operation of the sliding push block 3 is facilitated.
In this embodiment, the outer diameter of the sliding push block 3 is the same as the inner diameter of the plug cover 2, the sum of the wall thickness of the plug cover 2 and the depth of the ring groove is equal to the diameter of the steel ball 5, the taper of the tapered push surface is reasonably set, so that the steel ball 5 can be completely embedded into the ball hole after the sliding push block 3 is pulled out for a certain distance and is blocked by the tapered push surface, the steel ball 5 is pushed out under the action of the tapered push surface after the sliding push block 3 is released, and is finally separated from the tapered push surface, and the steel balls 5 are supported by the outer circle surface of the sliding push block 3, so that the connection is.
In this embodiment, the excircle of gag 2 is equipped with twice sealing ring 7, and twice sealing ring 7 divide and is listed as in the both sides in each ball hole, utilizes sealing ring 7 to seal between gag 2 and the valve body 1, ensures sealed effect.
In the embodiment, the inner end of the sliding push block 3 is provided with a groove for accommodating the tension spring 6, the wall thickness of the plug cover 2 is larger than the radius of the steel ball 5, and the tension spring 6 is arranged in the groove, so that the structure is compact; the height of the steel ball 5 protruding out of the ball hole is smaller than the radius of the steel ball 5, so that the steel ball 5 can be automatically retracted into the ball hole under the blocking of the annular groove when the plug cover 2 is taken out.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (5)
1. The utility model provides a ready-package hydraulic control lock which characterized in that: comprises a valve body, a valve core and a plug cover; the valve core is arranged in a valve hole of the valve body and is fixed through the plug cover; the periphery of the plug cover is uniformly provided with ball holes, steel balls are placed in the ball holes, and sliding push blocks for pushing the steel balls to protrude from the ball holes are further arranged in the plug cover; the sliding push block is axially and slidably arranged in the plug cover, and the inner end of the sliding push block is provided with a conical push surface corresponding to each steel ball; the inner wall of the valve hole is provided with a ring groove for clamping the steel ball; and a tension spring is connected between the sliding push block and the plug cover, so that the sliding push block is embedded into the plug cover under the elastic action of the tension spring.
2. The quick-fit hydraulically controlled lock of claim 1, characterized in that: the outer end face of the sliding push block is provided with an arc-shaped groove, and a cross pull rod is fixed in the arc-shaped groove.
3. The quick-fit hydraulically controlled lock of claim 2, characterized in that: the outer diameter of the sliding push block is the same as the inner diameter of the plug cover, and the sum of the wall thickness of the plug cover and the depth of the ring groove is equal to the diameter of the steel ball.
4. The quick-fit hydraulically controlled lock of claim 3, characterized in that: and the excircle of the plug cover is provided with two sealing rings which are respectively arranged at two sides of each ball hole.
5. The quick-fit hydraulically controlled lock of claim 4, characterized in that: the inner end of the sliding push block is provided with a groove for accommodating the tension spring, and the wall thickness of the plug cover is larger than the radius of the steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061683.2U CN211370450U (en) | 2020-01-13 | 2020-01-13 | Fast-assembling hydraulic control lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020061683.2U CN211370450U (en) | 2020-01-13 | 2020-01-13 | Fast-assembling hydraulic control lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211370450U true CN211370450U (en) | 2020-08-28 |
Family
ID=72154005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020061683.2U Active CN211370450U (en) | 2020-01-13 | 2020-01-13 | Fast-assembling hydraulic control lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211370450U (en) |
-
2020
- 2020-01-13 CN CN202020061683.2U patent/CN211370450U/en active Active
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