CN220016111U - High-tightness load holding valve - Google Patents
High-tightness load holding valve Download PDFInfo
- Publication number
- CN220016111U CN220016111U CN202321658747.7U CN202321658747U CN220016111U CN 220016111 U CN220016111 U CN 220016111U CN 202321658747 U CN202321658747 U CN 202321658747U CN 220016111 U CN220016111 U CN 220016111U
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- China
- Prior art keywords
- valve
- tightness
- sealing
- sealing block
- load holding
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- 238000007789 sealing Methods 0.000 claims abstract description 78
- 230000000694 effects Effects 0.000 description 14
- 239000007788 liquid Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses a high-tightness load holding valve, which comprises a valve body: the valve is characterized in that a valve pipe is fixedly arranged at the top end of the valve body, a sliding groove is formed in the inner surface of the middle part of the top end of the valve pipe, a sliding block is arranged in the sliding groove in a sliding mode, a central shaft is fixedly arranged on the inner side of the sliding block, a threaded hole is formed in the central shaft, the threaded hole is in threaded connection with a threaded column, a sealing block is arranged at the bottom end of the threaded column in a fixed mode, four positioning blocks are fixedly arranged at the top end of the sealing block, and four positioning columns are fixedly arranged at the inner top of the valve pipe. Through the structure, the sealing block can be limited by installing four positioning blocks at the top end of the sealing block and matching with the positioning columns, so that the valve can not be normally opened due to the fact that the sealing block rotates when the valve is used, and meanwhile, the sealing block can be limited to only move up and down when the valve is opened.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a high-tightness load holding valve.
Background
The working principle of the load holding valve is that the valve core is locked at the position by utilizing hydraulic pressure, so that the load is kept at the current height or position, and in addition, the load holding valve can also play a role in reducing leakage of a hydraulic system, so that the working efficiency and the stability of the system are improved.
The traditional load holding valve usually adopts a diaphragm type structure, the sealing performance is relatively poor, the leakage problem is easy to occur, the central shaft is easy to deviate when the valve is twisted, the sealing ring is easy to align with the groove when the valve is closed next time, the sealing effect is poor, and the sealing block cannot be guaranteed not to incline under the load condition.
Accordingly, one skilled in the art would be able to provide a high tightness load holding valve to solve the problems set forth in the background art
Disclosure of Invention
The utility model aims to at least solve one of the technical problems in the prior art, and provides a high-tightness load holding valve, wherein a positioning block is matched with a positioning column to limit a sealing block, a sealing ring is well attached to a groove, the groove is arranged to be used for installing the sealing ring and a groove on a stop block, a good sealing effect can be achieved, the two sealing rings ensure the tightness of the holding valve, and a central shaft is matched with the positioning block and the positioning column by using threaded connection to prevent the sealing block from shifting.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a high tightness load holding valve comprising a valve body: the valve comprises a valve body, and is characterized in that a valve tube is fixedly arranged at the top end of the valve body, a sliding groove is formed in the inner surface of the middle part of the top end of the valve tube, a sliding block is arranged in the sliding groove in a sliding manner, a central shaft is fixedly arranged at the inner side of the sliding block, a threaded hole is formed in the central shaft, the threaded hole is in threaded connection with a threaded column, a sealing block is fixedly arranged at the bottom end of the threaded column, four positioning blocks are fixedly arranged at the top end of the sealing block, and four positioning columns are fixedly arranged at the inner top of the valve tube;
through the technical scheme, the central shaft is in threaded connection with the positioning block and the positioning column, so that the sealing block can be prevented from being offset, and meanwhile, the positioning block and the positioning column provide more stable operation for the device, so that the sealing effect of the holding valve is guaranteed.
Further, a circle of first grooves are formed in the outer side of the sealing block, and first sealing rings are fixedly arranged in the first grooves;
through above-mentioned technical scheme, set up recess installation sealing washer at the side of sealing block and can improve sealed effect for the holding valve, prevent that liquid from flowing out from the gap.
Further, a circle of second grooves are formed in the bottom ends of the sealing blocks, and second sealing rings are fixedly arranged in the second grooves;
through above-mentioned technical scheme, the recess installation sealing washer is offered to the bottom of sealing washer, and the sealing washer of cooperation sealing block side uses, can improve the sealed effect of device greatly, and two are used together to have the secondary guarantee to the leakproofness.
Further, a stop block is fixedly arranged in the valve body, a third groove is formed in the inner side of the stop block, and a fourth groove is formed in the inner bottom of the stop block;
through above-mentioned technical scheme, the dog is used for keeping off the liquid flow, uses with the cooperation of sealing block and is used for guaranteeing the sealed effect that keeps the valve.
Further, a valve is fixedly arranged at the top end of the central shaft;
by the technical scheme, the valve is convenient to open and the central shaft is easy to rotate to open the holding valve.
Further, both sides of the valve body are fixedly provided with fixed discs;
through above-mentioned technical scheme, the installation fixed disk is convenient makes the holding valve be connected with the pipeline.
Further, a plurality of fixing holes are formed in the side ends of the two fixing plates;
through above-mentioned technical scheme, offer a plurality of holes on the fixed disk, use the hole can be connected with the hole on the fixed disk of pipeline, convenient fixed.
The utility model has the following beneficial effects:
1. according to the high-tightness load holding valve, the four positioning blocks are arranged at the top end of the sealing block and matched with the positioning columns for use, so that the sealing block can be limited, the valve cannot be normally opened due to rotation when the valve is used, meanwhile, the sealing block can be limited to move up and down only when the valve is opened, then the sealing ring can be well attached to the groove when the valve holding valve is closed, and the sealing ring is prevented from being deviated, so that the sealing effect is poor and the sealing cannot be normally performed.
2. According to the high-tightness load holding valve, the groove is formed in the outer side of the sealing block to be matched with the groove on the stop block for use, so that a good sealing effect can be achieved, meanwhile, two sealing rings are installed to improve the tightness of the holding valve, one sealing ring is matched with the stop block at the bottom of the sealing block, and the other sealing ring is matched with the stop block at the side end, so that the sealing effect is effectively improved, and the tightness of the holding valve is guaranteed.
3. According to the high-tightness load holding valve, the threaded hole in the central shaft is connected with the threaded column through the torsion valve, so that the sealing block can be lifted, the holding valve is opened, meanwhile, the torsion valve has a more stable effect by utilizing the connection of the sliding groove and the sliding block, and the situation that the tightness cannot be ensured due to the fact that the central shaft is deviated is prevented.
Drawings
The utility model is further described below with reference to the drawings and examples;
FIG. 1 is an isometric view of a high tightness load holding valve of the present utility model;
FIG. 2 is a front view of a high tightness load holding valve of the present utility model;
FIG. 3 is a side view of a high tightness load holding valve of the present utility model;
FIG. 4 is a front cross-sectional view of a high tightness load holding valve of the present utility model;
fig. 5 is an enlarged view at a in fig. 4.
Legend description:
1. a valve body; 2. a valve tube; 3. a central shaft; 4. a threaded hole; 5. a threaded column; 6. a sealing block; 7. a positioning block; 8. positioning columns; 9. a first groove; 10. a first seal ring; 11. a second groove; 12. a second seal ring; 13. a chute; 14. a slide block; 15. a stop block; 16. a third groove; 17. a fourth groove; 18. a fixing hole; 19. a valve; 20. a fixed disk.
Detailed Description
Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.
Referring to fig. 1 to 5, a high-tightness load holding valve according to an embodiment of the present utility model includes a high-tightness load holding valve including a valve body 1: the top of valve body 1 is fixed and is provided with valve pipe 2, spout 13 has been seted up to top middle part internal surface department of valve pipe 2, the slip is provided with slider 14 in spout 13, the inboard fixed center pin 3 that is provided with of slider 14, screw hole 4 has been seted up to the inside of center pin 3, screw hole 4 threaded connection has screw thread post 5, the bottom mounting of screw thread post 5 is provided with sealing block 6, the top of sealing block 6 is fixed and is provided with four locating pieces 7, the fixed four reference columns 8 that are provided with in interior top of valve pipe 2, the center pin uses threaded connection cooperation locating piece and reference column to use can prevent that sealing block from taking place the skew, locating piece and reference column provide more stable operation for the device simultaneously, in order to ensure the sealed effect that keeps the valve.
The outside of sealing block 6 has seted up round first recess 9, the inside fixed first sealing washer 10 that is provided with of first recess 9, the side of sealing block has seted up recess installation sealing washer can improve sealed effect for the holding valve, prevent that liquid from flowing from the gap, the round second recess 11 has been seted up to the bottom of sealing block 6, the inside fixed second sealing washer 12 that is provided with of second recess 11, the bottom of sealing washer has seted up recess installation sealing washer, the sealing washer of cooperation sealing block side uses, can improve the sealed effect of the device greatly, two use together have secondary guarantee to the leakproofness, the inside fixed dog 15 that is provided with of valve body 1, the third recess 16 has been seted up to the inboard of dog 15, the fourth recess 17 has been seted up to the inner bottom of dog 15, the dog is used for keeping off the liquid flow, use with the sealing block cooperation is ensured the sealed effect of holding valve, the top fixed valve 19 that is provided with of center pin 3, the holding valve is convenient for opening to install the valve, the center pin is easy to rotate and opens the holding valve, the both sides of valve body 1 are all fixedly provided with fixed disk 20, the fixed disk is convenient for making holding valve and pipeline connection, the fixed disk is convenient for making and pipeline connection, the fixed disk is connected with multiple fixed disk holes are all seted up on the fixed disk at multiple fixed disk 18 on the side 20, can be convenient for making fixed disk connection with multiple fixed disk hole and fixing hole and opening all can be offered on the fixed disk hole
Working principle: the fixing disc 20 is used for connecting the fixing disc 20 to the liquid pipe, liquid at the liquid pipe can enter from a port far away from the valve 19, when the sealing block 6 is not opened, liquid flow can not flow out from the retaining valve, the valve 19 is twisted to enable the central shaft 3 to be connected with the threaded column 5, the sealing block 6 can be lifted, the positioning block 7 can be positioned with the positioning column 8 while lifting, the sealing block 6 can be prevented from rotating when the valve 19 rotates, the first sealing ring 10 can be matched with the third groove 16 when the retaining valve is closed, the second sealing ring 12 can be matched with the fourth groove 17, better sealing performance can be achieved when the retaining valve is closed, liquid can be prevented from flowing out from a gap between the sealing block 6 and the stop block 15, sealing performance of the retaining valve can be guaranteed due to the matching of the positioning block 7 and the positioning column 8, the sealing ring can be prevented from shifting, and poor sealing performance can not be guaranteed due to the fact that the sealing ring is meshed with the groove.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A high-tightness load holding valve characterized by comprising a valve body (1): the valve is characterized in that a valve pipe (2) is fixedly arranged at the top end of the valve body (1), a sliding groove (13) is formed in the inner surface of the middle part of the top end of the valve pipe (2), a sliding block (14) is arranged in the sliding groove (13), a central shaft (3) is fixedly arranged on the inner side of the sliding block (14), a threaded hole (4) is formed in the central shaft (3), a threaded column (5) is connected with the threaded hole (4) in a threaded manner, a sealing block (6) is arranged at the bottom end of the threaded column (5) in a fixed mode, four positioning blocks (7) are fixedly arranged at the top end of the sealing block (6), and four positioning columns (8) are fixedly arranged at the inner top of the valve pipe (2).
2. The high-tightness load holding valve according to claim 1, wherein a circle of first grooves (9) are formed in the outer side of the sealing block (6), and first sealing rings (10) are fixedly arranged in the first grooves (9).
3. The high-tightness load holding valve according to claim 1, wherein a circle of second grooves (11) are formed in the bottom end of the sealing block (6), and second sealing rings (12) are fixedly arranged in the second grooves (11).
4. The high-tightness load holding valve according to claim 1, wherein a stopper (15) is fixedly provided inside the valve body (1), a third groove (16) is provided inside the stopper (15), and a fourth groove (17) is provided inside the stopper (15).
5. A high tightness load holding valve according to claim 1, characterized in that the top end of the central shaft (3) is fixedly provided with a valve (19).
6. A high tightness load holding valve according to claim 1, characterized in that both sides of the valve body (1) are fixedly provided with a fixed disc (20).
7. A high tightness load holding valve according to claim 6, characterized in that both side ends of said fixed disks (20) are provided with a plurality of fixing holes (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658747.7U CN220016111U (en) | 2023-06-28 | 2023-06-28 | High-tightness load holding valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321658747.7U CN220016111U (en) | 2023-06-28 | 2023-06-28 | High-tightness load holding valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220016111U true CN220016111U (en) | 2023-11-14 |
Family
ID=88681488
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321658747.7U Active CN220016111U (en) | 2023-06-28 | 2023-06-28 | High-tightness load holding valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220016111U (en) |
-
2023
- 2023-06-28 CN CN202321658747.7U patent/CN220016111U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |