CN219795944U - Novel safety valve - Google Patents
Novel safety valve Download PDFInfo
- Publication number
- CN219795944U CN219795944U CN202321352554.9U CN202321352554U CN219795944U CN 219795944 U CN219795944 U CN 219795944U CN 202321352554 U CN202321352554 U CN 202321352554U CN 219795944 U CN219795944 U CN 219795944U
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- China
- Prior art keywords
- communication hole
- steel ball
- valve body
- aperture
- hole
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- 238000004891 communication Methods 0.000 claims abstract description 103
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 59
- 239000010959 steel Substances 0.000 claims abstract description 59
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 239000010720 hydraulic oil Substances 0.000 abstract description 18
- 238000009434 installation Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 230000013011 mating Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Safety Valves (AREA)
Abstract
The utility model discloses a novel safety valve, which comprises a valve body, wherein a first communication hole and a second communication hole are formed in the valve body, the first communication hole and the second communication hole are communicated from the front end of the valve body to the rear end of the valve body, a first steel ball is arranged in the first communication hole, and the aperture at the front end of the first communication hole is larger than the aperture at the tail end of the first communication hole; the second communication hole is internally provided with a second steel ball and a pressing device, the aperture at the front end of the second communication hole is smaller than the aperture at the tail end of the second communication hole, and one end of the pressing device is abutted against the second steel ball. The first steel ball is matched with the first communication hole, so that the function of the one-way valve can be realized, and the one-way flow of hydraulic oil is met; through the cooperation of second steel ball and closing device, prevent unilateral pressure too big, play the guard action. Through the movement of the first steel ball and the second steel ball, the flow requirement of hydraulic oil is met, and the service life of the first steel ball is long relative to that of a sealing ring in the prior art, so that the whole realization function is more stable, and the stability is good.
Description
Technical Field
The utility model belongs to a safety valve, and particularly relates to a novel safety valve.
Background
The existing one-way valves used for structures such as a door closer, a window closer and a floor spring realize one-way circulation of hydraulic oil through one-way conduction, and meet corresponding hydraulic buffering effect. In the actual use process, in order to avoid overhigh hydraulic pressure of a single side, the check valve is further provided with a safety valve, as shown in fig. 1, through the front-back movement of the valve core spring seat 10, the safety valve sealing ring 20 sleeved on the outer side of the valve core spring seat is driven to move back and forth, and the safety valve sealing ring 20 is matched with the corresponding hole through the front-back movement, so that the function of the check valve is realized. The mounting valve realizes unidirectional flow control on hydraulic oil through movement of the sealing ring, so that the sealing ring is easy to age and is easy to wear during movement when in use, and the service life of the whole mounting valve is influenced.
Disclosure of Invention
The present utility model aims to provide a novel safety valve which can solve at least one of the above problems.
According to one aspect of the utility model, there is provided a novel safety valve comprising a valve body, wherein a first communication hole and a second communication hole are formed in the valve body, the first communication hole and the second communication hole are communicated from the front end of the valve body to the rear end of the valve body, a first steel ball is arranged in the first communication hole, the aperture at the front end of the first communication hole is larger than the aperture at the tail end of the first communication hole, and the outer diameter of the first steel ball is smaller than the aperture at the front end of the first communication hole and larger than the aperture at the rear end of the first communication hole; the second communication hole is internally provided with a second steel ball and a pressing device, the aperture at the front end of the second communication hole is smaller than the aperture at the tail end of the second communication hole, the outer diameter of the second steel ball is smaller than the aperture at the tail end of the second communication hole and larger than the aperture at the rear end of the second communication hole, one end of the pressing device is abutted against the second steel ball, and the second steel ball is positioned between the pressing device and the front end of the second communication hole.
The beneficial effects of the utility model are as follows: the first steel ball is matched with the first communication hole, so that the function of the one-way valve can be realized, and the one-way flow of hydraulic oil is met; through the cooperation of second steel ball and closing device, can realize the function of relief valve, prevent unilateral pressure too big, play the guard action. According to the novel safety valve, through movement of the first steel ball and the second steel ball, the flow requirement of hydraulic oil is met, and the service life of the first steel ball is long relative to that of a sealing ring in the prior art, so that the overall function is more stable, and the stability is good.
In some embodiments, the first communication hole comprises a first through hole and a second through hole which are communicated, the first through hole is positioned at the front end of the valve body, the aperture of the first through hole is larger than that of the second through hole, and the first steel ball is positioned in the first through hole. Therefore, the control of the flow direction of the hydraulic oil is realized through the cooperation of the first steel ball and the first communication hole.
In some embodiments, the pressing device comprises a jackscrew, a spring and a spring ejector rod, the jackscrew is in threaded fixation with the tail part of the second communication hole, the jackscrew is of a hollow structure, one end of the spring is abutted against one end of the jackscrew, the other end of the spring is abutted against the spring ejector rod, and the second steel ball is pressed between the spring ejector rod and the front end of the second communication hole. Therefore, when the oil pressure on the second steel ball side is too high, the second steel ball pushes the spring to compress, so that hydraulic oil can flow, a pressure relief effect is achieved, and the use safety is guaranteed.
In some embodiments, the novel safety valve further comprises a base, one side of the base is provided with a mounting groove, the tail end of the valve body is arranged in the mounting groove, a third communication hole is formed in the base, and the third communication hole can be communicated with the first communication hole and the second communication hole. Therefore, the base is arranged, so that the whole installation is convenient; through the mounting groove, the valve body is convenient to mount on the base.
In some embodiments, the novel safety valve further comprises a filter screen, wherein the filter screen is arranged at the bottom of the mounting groove and is positioned between the third communication hole and the valve body. Therefore, the filter screen is arranged, so that the impurity can be filtered, and the service life of the valve body is guaranteed.
In some embodiments, a stop is provided at an end face of the first through hole. Therefore, by the aid of the stop block, the first steel ball can be guaranteed to be located in the first through hole, and the first steel ball is prevented from falling off.
In some embodiments, a first seal ring is disposed between the sidewall of the mounting groove and the outer wall of the valve body. Thus, by providing the first seal ring, hydraulic oil can be prevented from flowing between the side wall of the installation groove and the outer wall of the valve body.
In some embodiments, the valve body is T-shaped with the large end of the valve body mating with the mounting groove. Thereby, the installation of the valve body is facilitated.
In some embodiments, the other side of the base is provided with a connecting rod, the periphery of the connecting rod is provided with connecting threads, the connecting rod is sleeved with a second sealing ring, and the end face of the large end part of the valve body is provided with a clamp spring. Therefore, the connecting rod and the connecting screw thread are arranged on the connecting rod, so that the whole structure can be conveniently and fixedly installed with the external structure through the connecting screw thread.
In some embodiments, the other side of the base is provided with a connecting rod, and the periphery of the connecting rod is sleeved with a third sealing ring. Thereby, different installation requirements are fulfilled.
Drawings
Fig. 1 is a schematic cross-sectional structure of a safety valve in the prior art.
Fig. 2 is a schematic structural view of one embodiment of a novel safety valve of the present utility model.
Fig. 3 is a schematic cross-sectional structure of fig. 2.
Fig. 4 is a schematic structural view of another embodiment of a novel safety valve of the present utility model.
Fig. 5 is a schematic cross-sectional structure of fig. 4.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Referring to fig. 2 to 3. The novel safety valve comprises a valve body 1, wherein a first communication hole 11 and a second communication hole 12 are formed in the valve body 1, the first communication hole 11 and the second communication hole 12 are communicated from the front end of the valve body 1 to the rear end of the valve body 1, a first steel ball 3 is arranged in the first communication hole 11, the aperture at the front end of the first communication hole 11 is larger than the aperture at the tail end of the first communication hole, and the outer diameter of the first steel ball 3 is smaller than the aperture at the front end of the first communication hole 11 and larger than the aperture at the rear end of the first communication hole 11; the second communication hole 12 is internally provided with a second steel ball 4 and a pressing device 5, the aperture at the front end of the second communication hole 12 is smaller than the aperture at the tail end of the second communication hole, the outer diameter of the second steel ball 4 is smaller than the aperture at the tail end of the second communication hole 12 and larger than the aperture at the rear end of the second communication hole 12, one end of the pressing device 5 is abutted against the second steel ball 4, and the second steel ball 4 is positioned between the pressing device 5 and the front end of the second communication hole 12.
After the novel safety valve is installed, when hydraulic oil flows from the tail end of the valve body 1 to the front end, the first steel ball 3 is pushed under the action of hydraulic pressure, so that the first communication hole 11 is in a communication state, and the flow of the hydraulic oil is facilitated. When the hydraulic pressure at the front end of the valve body 1 is too high, the second steel ball 4 is pushed by the hydraulic pressure, so that the pressing device 5 is pressed, hydraulic oil can flow to the other side through the second communication hole 12, the hydraulic pressure at one side is prevented from being too high, and the use safety is ensured.
The communication condition of the first communication hole 11 and the second communication hole 12 can be controlled through the first steel ball 3 and the second steel ball 4, the one-way valve function realized through the sealing ring in the prior art is replaced, the whole service life is greatly prolonged, and the stability of the whole performance is ensured.
The first communication hole 11 comprises a first through hole 111 and a second through hole 112 which are communicated, the first through hole 111 is positioned at the front end of the valve body 1, the aperture of the first through hole 111 is larger than that of the second through hole 112, and the first steel ball 3 is positioned in the first through hole 111. In order to facilitate the first steel ball 3 to realize the blocking effect at the positions of the first through hole 111 and the second through hole 112, a conical guide part is arranged at the communication position of the first through hole 111 and the second through hole 112, so that the first steel ball 3 can be conveniently attached to the conical guide part. When the first steel ball 3 is pressed on the conical guide part, the first steel ball 3 cuts off the first through hole 111 from the second through hole 112; when the first communication hole 11 needs to be conducted, the first steel ball 3 is pushed away from the conical guide part under the action of hydraulic pressure, so that hydraulic oil can flow from the second communication hole 112 to the first communication hole 111 side, and the function of unidirectional conduction is realized.
Similarly, in order to facilitate the second steel ball 4 to separate the second communication hole 12, a tapered guide portion is also provided at the front end of the second communication hole 12, and the second steel ball 4 can seal the tapered guide portion. When the hydraulic pressure at the front end of the valve body 1 is overlarge, the second steel balls 4 can be pushed to move towards one side far away from the conical guide part under the hydraulic action of the hydraulic oil at the front side, so that the hydraulic oil can flow through a gap between the second steel balls 4 and the side wall of the second communication hole 12, the pressure relief effect is realized, and the safety of the whole use is ensured.
The pressing device 5 comprises a jackscrew 51, a spring 52 and a spring ejector rod 53, the jackscrew 51 is fixed with the tail of the second communication hole 12 through threads, the jackscrew 51 is of a hollow structure, one end of the spring 52 is abutted against one end of the jackscrew 51, the other end of the spring 52 is abutted against the spring ejector rod 53, and the second steel ball 4 is pressed between the spring ejector rod 53 and the front end of the second communication hole 12. Wherein, the inner wall of the second communication hole 12 is provided with internal threads, so that the jackscrew 51 and the second communication hole 12 are screwed and fixed by threads, and the jackscrew 51 is fixed at the tail end of the second communication hole 12. In order to facilitate the cooperation of the spring ejector rod 53 and the spring 52, the spring ejector rod 53 is T-shaped, the small end of the spring ejector rod 53 is inserted into the spring 52, and the other end of the spring 52 is abutted against the large end of the spring ejector rod 53. By providing the spring 52, the second steel ball 4 can be pressed against the tapered guide portion in the second communication hole 12, so that the second communication hole 112 is normally in a closed state. When the hydraulic pressure at the front end of the valve body is too high, the spring 52 is compressed when the second steel ball 4 is pushed to move under the action of the hydraulic pressure, and the second steel ball 4 is reset under the action of the spring 52 after hydraulic balance is facilitated.
The novel safety valve further comprises a base 6, a mounting groove 61 is formed in one side of the base 6, the tail end of the valve body 1 is arranged in the mounting groove 61, a third communication hole 62 is formed in the base 6, and the third communication hole 62 can be communicated with the first communication hole 11 and the second communication hole 12. Wherein the inner diameter of the mounting groove 61 is identical to the outer diameter of the tail end of the valve body 1, so that the valve body 1 can be fixed on the base 6. By providing the third communication hole 62, the flow of hydraulic oil can be facilitated.
The novel safety valve further comprises a filter screen 7, wherein the filter screen 7 is arranged at the bottom of the mounting groove 61 and is positioned between the third communication hole 62 and the valve body 1. Through the filter screen 7, impurities in the hydraulic oil can be filtered, and the impurities are prevented from entering the first communication hole 11 and the second communication hole 12.
A stopper 8 is provided at an end face of the first through hole 111. The baffle plate 8 can be welded and fixed at the end face of the first through hole 111 to prevent the first steel ball 3 from falling off from the hole.
A first sealing ring 9 is arranged between the side wall of the mounting groove 61 and the outer wall of the valve body 1. The first seal ring 9 is fitted over the outer side of the valve body 1, and by providing the first seal ring 9, hydraulic oil can be prevented from flowing between the side wall of the installation groove 61 and the outer wall of the valve body 1.
The valve body 1 is T-shaped, and the big end of the valve body 1 is matched with the mounting groove 61, so that the installation is convenient.
In one embodiment, the other side of the base 6 is provided with a connecting rod 63, the periphery of the connecting rod 63 is provided with connecting threads 64, the connecting rod 63 is sleeved with a second sealing ring 10, and the end face of the large end part of the valve body 1 is provided with a clamping spring 20. By providing the connecting screw 64, the connecting rod 63 can be conveniently and fixedly installed with the external structure through the screw, and the fixed safety valve is obtained. Wherein the connecting rod 63 and the base 6 are integrally formed. The second sealing ring 10 seals the corresponding mating position.
In another embodiment, as shown in fig. 4 and 5, a connecting rod 63 is provided on the other side of the base 6, and a third sealing ring 30 is sleeved on the periphery of the connecting rod 63. Wherein the connecting rod 63 and the base 6 are of an integrated structure; the third seal ring 30 seals the corresponding mating position. Through the connecting rod 63, the spring or other structures can be conveniently sleeved outside the connecting rod 63, so that the floating safety valve is obtained, and different use requirements are met.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and improvements could be made by those skilled in the art without departing from the inventive concept, which falls within the scope of the present utility model.
Claims (10)
1. The novel safety valve is characterized by comprising a valve body (1), wherein a first communication hole (11) and a second communication hole (12) are formed in the valve body (1), the first communication hole (11) and the second communication hole (12) are communicated from the front end of the valve body (1) to the rear end of the valve body (1), a first steel ball (3) is arranged in the first communication hole (11), the aperture at the front end of the first communication hole (11) is larger than the aperture at the tail end of the first communication hole, and the outer diameter of the first steel ball (3) is smaller than the aperture at the front end of the first communication hole (11) and larger than the aperture at the rear end of the first communication hole (11); the second communication hole (12) is internally provided with a second steel ball (4) and a pressing device (5), the aperture at the front end of the second communication hole (12) is smaller than the aperture at the tail end of the second communication hole, the outer diameter of the second steel ball (4) is smaller than the aperture at the tail end of the second communication hole (12) and larger than the aperture at the rear end of the second communication hole (12), one end of the pressing device (5) is abutted against the second steel ball (4), and the second steel ball (4) is located between the pressing device (5) and the front end of the second communication hole (12).
2. The novel safety valve according to claim 1, wherein the first communication hole (11) comprises a first through hole (111) and a second through hole (112) which are communicated, the first through hole (111) is located at the front end of the valve body (1), the aperture of the first through hole (111) is larger than that of the second through hole (112), and the first steel ball (3) is located in the first through hole (111).
3. The novel safety valve according to claim 2, wherein the pressing device (5) comprises a jackscrew (51), a spring (52) and a spring ejector rod (53), the jackscrew (51) is in threaded fixation with the tail of the second communication hole (12), the jackscrew (51) is of a hollow structure, one end of the spring (52) is abutted against one end of the jackscrew (51), the other end is abutted against the spring ejector rod (53), and the second steel ball (4) is pressed between the spring ejector rod (53) and the front end of the second communication hole (12).
4. A novel safety valve according to any one of claims 2 to 3, further comprising a base (6), wherein a mounting groove (61) is formed in one side of the base (6), the tail end of the valve body (1) is arranged in the mounting groove (61), a third communication hole (62) is formed in the base (6), and the third communication hole (62) can be communicated with the first communication hole (11) and the second communication hole (12).
5. The novel safety valve according to claim 4, further comprising a filter screen (7), wherein the filter screen (7) is disposed at the bottom of the mounting groove (61) and is located between the third communication hole (62) and the valve body (1).
6. A new safety valve according to claim 5, characterized in that the end face of the first through hole (111) is provided with a stop (8).
7. The novel safety valve according to claim 6, wherein a first sealing ring (9) is arranged between the side wall of the mounting groove (61) and the outer wall of the valve body (1).
8. The novel safety valve according to claim 7, wherein the valve body (1) is T-shaped, and the large end of the valve body (1) is matched with the mounting groove (61).
9. The novel safety valve according to claim 8, wherein a connecting rod (63) is arranged on the other side of the base (6), a connecting thread (64) is arranged on the periphery of the connecting rod (63), a second sealing ring (10) is sleeved on the connecting rod (63), and a clamp spring (20) is arranged at the end face of the large end part of the valve body (1).
10. The novel safety valve according to claim 8, wherein a connecting rod (63) is arranged on the other side of the base (6), and a third sealing ring (30) is sleeved on the periphery of the connecting rod (63).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352554.9U CN219795944U (en) | 2023-05-30 | 2023-05-30 | Novel safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321352554.9U CN219795944U (en) | 2023-05-30 | 2023-05-30 | Novel safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219795944U true CN219795944U (en) | 2023-10-03 |
Family
ID=88184399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321352554.9U Active CN219795944U (en) | 2023-05-30 | 2023-05-30 | Novel safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219795944U (en) |
-
2023
- 2023-05-30 CN CN202321352554.9U patent/CN219795944U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |