CN210461228U

CN210461228U - Bidirectional lock

Info

Publication number: CN210461228U
Application number: CN201921201516.7U
Authority: CN
Inventors: 倪海环; 倪海哨
Original assignee: Zhejiang Chuangyue Mining Technology Co Ltd
Current assignee: Zhejiang Chuangyue Mining Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-05
Anticipated expiration: 2029-07-26

Abstract

The utility model discloses a bidirectional lock, which relates to the technical field of a hydraulic control valve, and the key points of the technical proposal thereof comprise a valve body, wherein the two opposite ends of the valve body are respectively provided with a feed hole and a discharge hole, the feed hole and the discharge hole are communicated with each other through a through hole, one end of the valve body is rotationally connected with a fixed cover for sealing the feed hole, the other end of the valve body is rotationally connected with a movable cover for sealing the discharge hole, the valve body is rotationally connected with the fixed cover, one end of the fixed cover, which is far away from the valve body, is provided with a fixed hole, an operating rod is arranged in the fixed hole in a sliding way, and the diameters of the operating rod, the fixed; when the feed port is sealed to the action bars, in the action bars part embedded into the feed port, the utility model discloses have the effect that prevents that the foreign matter from entering into in the feed port and causing the feed port to block up, guaranteed the performance of two-way lock.

Description

Bidirectional lock

Technical Field

The utility model relates to a technical field of hydraulic control valve, more specifically say that it relates to a two-way lock.

Background

The bidirectional hydraulic lock is a 'lock' as the name suggests, namely a loop is locked, so that the oil liquid in the loop cannot flow, and the bidirectional hydraulic lock is widely applied to coal mining equipment.

At present, chinese patent No. CN201065765Y discloses a fully mechanized mining hydraulic support side protection bidirectional lock, which includes a valve body and a check valve disposed therein, the check valve is independently provided with two liquid inlets and two working ports, the two liquid inlets and the two working ports are respectively communicated with corresponding ports of the check valve, the upper and lower cavities of the side protection jack are correspondingly connected with the two working ports, an external hydraulic control source is connected with the two liquid inlets, and the two liquid inlets are communicated with each other through a fabrication hole disposed inside the valve body, thereby forming a double-hydraulic control check valve structure. .

Above-mentioned two-way lock utilizes two pilot operated check valves to control the action of protecting group's jack, controls convenient and reliable, and sealing stability is strong, but two-way lock when not erection joint, impurity in the air can get into inlet and working opening for two-way lock is inside to be blockked up, makes the performance reduction of two-way lock.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a two-way lock has the effect that prevents that the foreign matter from entering into to cause the feed inlet to block up in the feed inlet, has guaranteed the performance of two-way lock.

In order to achieve the above purpose, the utility model provides a following technical scheme: a bidirectional lock comprises a valve body, wherein a feed hole and a discharge hole are respectively formed in two opposite ends of the valve body, the feed hole and the discharge hole are communicated with each other through a through hole, a fixed cover for sealing the feed hole is rotatably connected to one end of the valve body, a movable cover for sealing the discharge hole is rotatably connected to the other end of the valve body, the valve body is rotatably connected with the fixed cover, a fixed hole is formed in one end, away from the valve body, of the fixed cover, an operating rod is arranged in the fixed hole in a sliding mode, and the operating rod, the fixed hole and the feed hole are the same in diameter; the operating rod is partially inserted into the feed hole when the operating rod seals the feed hole.

By adopting the technical scheme, the fixing cover is rotated to enable the fixing cover to seal the feeding hole, and then the operating rod is driven to enable the operating rod to be embedded into the feeding hole, so that the fixing cover is connected with the valve body, and the effect of further sealing the feeding hole is achieved; the fixed cover and the movable cover are arranged to have the effect of sealing the feeding hole, so that foreign matters in the air are prevented from entering the feeding hole and the discharging hole.

The utility model discloses further set up to: the end face, away from the valve body, of the fixed cover and the end face, far away from the hinge shaft of the fixed cover, of the fixed cover is provided with an operation hole communicated with the fixed hole, the circumferential surface of the operation rod is detachably connected with an operation block, and the operation rod is slidably arranged in the operation hole.

Through adopting above-mentioned technical scheme, can conveniently drive the action bars through the action bars and remove along the axis direction of fixed orifices, in addition the action bars cunning is located in the action bars, can restrict the displacement of action bars to prevent that the action bars from rotating in the fixed orifices.

The utility model discloses further set up to: an operation panel is fixedly connected to the end face, far away from the operation rod, of the operation block.

By adopting the technical scheme, the operating panel is arranged, so that the operating area of a human hand can be increased, and a worker can conveniently drive the operating block and the operating rod to move.

The utility model discloses further set up to: the fixed orifices is kept away from operation hole one side and has been seted up the guide way, when the sealed feed port of fixed lid, the valve body was kept away from to guide way and fixed lid terminal surface intercommunication, action bars one end fixedly connected with cunning locates the guide block in the guide way.

Through adopting above-mentioned technical scheme, set up guide block and guide way, have the direction effect for the action bars can not rotate when moving along the axis of fixed orifices, when the action bars moved towards the feed port in addition, when the guide block was close to the one end butt of valve body with the guide way, the restriction guide block continued to insert in the feed port.

The utility model discloses further set up to: one side that the feed port was seted up to the valve body is provided with two fixing bases, two the round hole has all been seted up to the fixing base, the round axle of fixedly connected with embedding round hole respectively at fixed lid both ends.

Through adopting above-mentioned technical scheme, will fix the lid and rotate with the axis of circle axle to make fixed lid open/close the feed port.

The utility model discloses further set up to: a first clamping groove is formed in one end of the fixing cover, a first magnet is fixedly connected in the first clamping groove, a second clamping groove is formed in the valve body, and a first iron sheet matched with the first magnet is fixedly connected in the second clamping groove; when the fixed cover seals the feeding hole, the first magnet is matched with the first iron sheet.

Through adopting above-mentioned technical scheme, through the cooperation of first magnet and first iron sheet for fixed lid and valve body are connected, prevent that fixed lid from rotating, make the foreign matter enter into in the feed inlet.

The utility model discloses further set up to: a clamping hole communicated with the first clamping groove is formed in the end face, far away from the first clamping groove, of the fixing cover, a second magnet embedded into the clamping hole is fixedly connected to the end face, facing the clamping hole, of the first magnet, a third clamping groove is formed in the valve body, and a second iron sheet matched with the second magnet is fixedly connected to the inside of the third clamping groove; when the end face of the fixed cover, which is not provided with the first clamping groove, is abutted against the valve body, the second magnet is matched with the second iron sheet.

Through adopting above-mentioned technical scheme, when the terminal surface of first draw-in groove was not seted up to fixed lid and valve body butt, second magnet and second iron sheet mutually supported, prevent that fixed lid from rotating, can not disturb other articles of valve body connection.

The utility model discloses further set up to: a sealing ring groove is formed in the inner wall of the feeding hole, and a sealing ring block is arranged in the sealing ring groove; when the operating rod is embedded into the feeding hole, the sealing ring block is attached to the outer circumferential surface of the operating rod.

Through adopting above-mentioned technical scheme, it has better leakproofness to set up the seal ring piece for inseparabler when the action bars is embedded into the feed inlet.

To sum up, the utility model discloses following beneficial effect has: the fixed cover is rotated, and then the operating rod is driven to be embedded into the feeding hole, so that the fixed cover is connected with the valve body; meanwhile, the operating rod is inserted into the feeding hole to have the effect of sealing the feeding hole, so that foreign matters in the air are prevented from entering the feeding hole and the discharging hole.

Drawings

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a cross-sectional view of the embodiment highlighting the inlet and outlet openings;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present embodiment.

Reference numerals: 1. a valve body; 11. a fixed seat; 12. a circular hole; 13. a second card slot; 14. a first iron piece; 15. a third card slot; 16. a second iron piece; 17. sealing the ring groove; 18. a sealing ring block; 2. a feed port; 3. a discharge hole; 4. a through hole; 5. a fixed cover; 51. a fixing hole; 53. a circular shaft; 54. an operation hole; 55. a guide groove; 56. a first card slot; 57. a first magnet; 58. a clamping hole; 59. a second magnet; 6. a movable cover; 7. an operating lever; 71. chamfering; 72. a slot; 73. an operation block; 74. inserting a block; 75. an operation panel; 76. and a guide block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a bidirectional lock, as shown in fig. 2 and 3, which comprises a valve body 1, wherein two opposite ends of the valve body 1 are respectively provided with a feed hole 2 and a discharge hole 3, and the feed hole 2 and the discharge hole 3 are communicated with each other through a through hole 4. The feed port 2, the discharge hole 3 and the through hole 4 are all provided with two. One end of the valve body 1 is rotatably connected with a fixed cover 5 for sealing the feeding hole 2, and the other end of the valve body 1 is rotatably connected with a movable cover 6 for sealing the discharging hole 3. The valve body 1 is rotatably connected with the fixed cover 5, a fixed hole 51 is formed in one end, far away from the valve body 1, of the fixed cover 5, an operating rod 7 is arranged in the fixed hole 51 in a sliding mode, and the diameters of the operating rod 7, the fixed hole 51 and the feeding hole 2 are the same. The end of the operating rod 7 inserted into the feed hole 2 is provided with a chamfer 71. When the operating rod 7 seals the inlet opening 2, the operating rod 7 is partially inserted into the inlet opening 2.

As shown in fig. 1 and 3, two fixing seats 11 are arranged on one side of the valve body 1, where the feeding hole 2 is provided, the two fixing seats 11 are both provided with a circular hole 12, and two ends of the fixing cover 5 are respectively and fixedly connected with a circular shaft 53 embedded into the circular hole 12. The stationary cover 5 is rotated on the axis of the circular shaft 53 so that the stationary cover 5 seals or opens the feed hole 2.

As shown in fig. 1 and 3, an operation hole 54 communicating with the fixing hole 51 is formed in an end surface of the fixing cover 5 away from a hinge shaft of the valve body 1 and the fixing cover 5, an operation block 73 is detachably connected to a circumferential surface of the operation rod 7, and the operation rod 7 is slidably disposed in the operation hole 54. A slot 72 is opened at one end of the circumferential surface of the operating lever 7 facing the operating hole 54, and an insert 74 fitted into the slot 72 is fixedly connected to one end of the operating block 73 facing the operating lever 7. An operation panel 75 is fixedly connected to an end surface of the operation block 73 remote from the operation lever 7. The operating plate 75 is driven so that the operating block 73 moves together with the operating rod 7 toward the valve body 1, so that the operating rod 7 is inserted into the feed opening 2, so that the stationary cover 5 is connected to the valve body 1 while sealing the feed opening 2. Conversely, the operation plate 75 is driven to disengage the operation rod 7 from the feed hole 2, and the feed hole 2 is opened.

As shown in fig. 1 and 3, a guide groove 55 is formed on a side of the fixing hole 51 away from the operation hole 54, when the fixing cover 5 seals the feeding hole 2, the guide groove 55 communicates with an end surface of the fixing cover 5 away from the valve body 1, and a guide block 76 slidably disposed in the guide groove 55 is fixedly connected to one end of the operation rod 7. Set up guide way 55 and guide block 76 and have spacing effect for behind the sealed feed port 2 of action bars 7, guide block 76 prevents that action bars 7 from further inserting feed port 2 towards the one end butt that valve body 1 was close to valve body 1's one end with guide way 55 to the one end of valve body 1.

As shown in fig. 1 and 3, a first engaging groove 56 is formed at one end of the fixing cover 5, a first magnet 57 is fixedly connected in the first engaging groove 56, a second engaging groove 13 is formed on the valve body 1, and a first iron piece 14 matched with the first magnet 57 is fixedly connected in the second engaging groove 13. The first magnet 57 is engaged with the first iron piece 14 when the fixing cap 5 seals the feed hole 2. The end face, far away from the first clamping groove 56, of the fixing cover 5 is provided with a clamping hole 58 communicated with the first clamping groove 56, the end face, facing the clamping hole 58, of the first magnet 57 is fixedly connected with a second magnet 59 embedded into the clamping hole 58, the valve body 1 is provided with a third clamping groove 15, and the third clamping groove 15 is fixedly connected with a second magnet 59 matched with the second iron sheet 16. When the end face of the fixing cover 5 not provided with the first engaging groove 56 abuts against the valve body 1, the second magnet 59 and the second iron piece 16 are engaged with each other.

As shown in fig. 1 and 3, when the end surface of the fixing cover 5 provided with the first engaging groove 56 abuts against the valve body 1, the fixing cover 5 is connected with the valve body 1 more tightly by the first magnet 57 matching with the first iron sheet 14; when the end face of the fixed cover 5, which is not provided with the first clamping groove 56, abuts against the valve body 1, the second magnet 59 and the second iron sheet 16 are matched with each other, so that the fixed cover 5 is more closely connected with the valve body 1, and when the valve body 1 is connected with other objects, the fixed cover 5 is not affected.

As shown in fig. 1 and 3, a sealing ring groove 17 is formed on the inner wall of the feed hole 2, and a sealing ring block 18 is arranged in the sealing ring groove 17; when the operating rod 7 is embedded into the feeding hole 2, the sealing ring block 18 is attached to the outer circumferential surface of the operating rod 7, and the sealing ring block 18 is arranged to enable the operating rod 7 to be more compact when being embedded into the feeding hole 2, so that better sealing performance is achieved.

The movable cover 6 and the fixed cover 5 are identical in structure, and the discharge hole 3 is sealed by the movable cover 6.

The working principle is as follows: rotate fixed lid 5 for fixed lid 5 has seted up the terminal surface and the valve body 1 butt of first draw-in groove 56, and first magnet 57 and the cooperation of first iron sheet 14 make fixed lid 5 be connected with valve body 1, exert the effort to action bars 7 again, make action bars 7 imbed in the feed port 2, up to guide block 76 towards the one end of valve body 1 and the one end butt that guide way 55 is close to valve body 1, realize the sealed to feed port 2. The operation plate 75 is driven in the reverse direction to disengage the operation rod 7 from the feed hole 2, and the fixed cover 5 is driven to rotate so that the second magnet 59 engages with the second iron piece 16 to open the feed hole 2.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. A two-way lock, comprising a valve body (1), characterized in that: the valve comprises a valve body (1), wherein two opposite ends of the valve body (1) are respectively provided with a feed hole (2) and a discharge hole (3), the feed hole (2) and the discharge hole (3) are communicated with each other through a through hole (4), one end of the valve body (1) is rotatably connected with a fixed cover (5) for sealing the feed hole (2), the other end of the valve body (1) is rotatably connected with a movable cover (6) for sealing the discharge hole (3), one end of the fixed cover (5) far away from the valve body (1) is provided with a fixed hole (51), an operating rod (7) is arranged in the fixed hole (51) in a sliding manner, and the diameters of the operating rod (7), the fixed hole (51) and the feed hole (2) are the same; when the operating rod (7) seals the feeding hole (2), the operating rod (7) is partially embedded into the feeding hole (2).

2. A bi-directional lock as claimed in claim 1, wherein: the end face, away from the valve body (1), of the fixed cover (5) and the hinged shaft of the fixed cover (5) is provided with an operation hole (54) communicated with the fixed hole (51), the circumferential face of the operation rod (7) is detachably connected with an operation block (73), and the operation rod (7) is slidably arranged in the operation hole (54).

3. A bi-directional lock as claimed in claim 2, wherein: an operation panel (75) is fixedly connected to the end surface of the operation block (73) far away from the operation rod (7).

4. A bi-directional lock as claimed in claim 2, wherein: the fixed hole (51) is kept away from one side of the operation hole (54) and is provided with a guide groove (55), when the fixed cover (5) seals the feeding hole (2), the guide groove (55) is communicated with the end face of the fixed cover (5) far away from the valve body (1), and one end of the operation rod (7) is fixedly connected with a guide block (76) which is slidably arranged in the guide groove (55).

5. A bi-directional lock as claimed in claim 2, wherein: one side that feed port (2) were seted up in valve body (1) is provided with two fixing bases (11), two round hole (12) have all been seted up in fixing base (11), fixed lid (5) both ends difference fixedly connected with imbeds round axle (53) of round hole (12).

6. A bi-directional lock as claimed in claim 1, wherein: a first clamping groove (56) is formed in one end of the fixed cover (5), a first magnet (57) is fixedly connected in the first clamping groove (56), a second clamping groove (13) is formed in the valve body (1), and a first iron sheet (14) matched with the first magnet (57) is fixedly connected in the second clamping groove (13); when the fixed cover (5) seals the feeding hole (2), the first magnet (57) is matched with the first iron sheet (14).

7. A bi-directional lock as claimed in claim 6, wherein: a clamping hole (58) communicated with the first clamping groove (56) is formed in the end face, far away from the first clamping groove (56), of the fixing cover (5), a second magnet (59) embedded into the clamping hole (58) is fixedly connected to the end face, facing the clamping hole (58), of the first magnet (57), a third clamping groove (15) is formed in the valve body (1), and a second iron sheet (16) matched with the second magnet (59) is fixedly connected to the inside of the third clamping groove (15); when the end face of the fixed cover (5) which is not provided with the first clamping groove (56) is abutted against the valve body (1), the second magnet (59) is matched with the second iron sheet (16).

8. A bi-directional lock as claimed in claim 1, wherein: a sealing ring groove (17) is formed in the inner wall of the feeding hole (2), and a sealing ring block (18) is arranged in the sealing ring groove (17); when the operating rod (7) is embedded into the feeding hole (2), the sealing ring block (18) is attached to the outer circumferential surface of the operating rod (7).