CN210461513U - Novel air spring control valve and air spring - Google Patents
Novel air spring control valve and air spring Download PDFInfo
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- CN210461513U CN210461513U CN201921276182.XU CN201921276182U CN210461513U CN 210461513 U CN210461513 U CN 210461513U CN 201921276182 U CN201921276182 U CN 201921276182U CN 210461513 U CN210461513 U CN 210461513U
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Abstract
The utility model discloses a novel air spring accuse valve gentleness spring belongs to air spring technical field. This novel air spring accuse valve includes valve body and needle, the valve body is seted up along the central axis and is had valve needle guide hole and sealed hole, valve needle guide hole and sealed hole link up mutually, valve needle guide hole and sealed hole medial surface all be equipped with the seal cover, the needle passes the seal cover and arranges valve needle guide hole and sealed hole in. The valve needle is arranged in the valve needle guide hole and the sealing hole through the sealing sleeves, the valve needle penetrates through the sealing sleeves and is arranged in the valve needle guide hole and the sealing hole, effective sealing is carried out between the valve needle and the valve body through the sealing sleeves, the sealing effect is improved, and air leakage is avoided.
Description
Technical Field
The utility model belongs to the technical field of the air spring, more specifically say, relate to a novel air spring accuse valve and gas spring.
Background
The air spring mainly plays a supporting role and is widely applied to industries such as automobiles, fitness equipment, textile machinery, printing equipment, office equipment, engineering machinery and the like. The existing gas spring mainly comprises a sleeve, a piston rod and a control valve, wherein the piston comprises a piston body and a floating O-shaped sealing ring, the piston is fixed on the piston rod, inert gas or oil-gas mixture is filled in the sleeve, a damping air hole and an air return hole are formed in the piston body, an inner shaft shoulder, an outer shaft shoulder and a ring groove are formed in the outer wall of the piston body, the O-shaped sealing ring is arranged in the ring groove, the air return hole is formed in the inner shaft shoulder, when the piston moves towards the sleeve, the space between the O-shaped sealing ring and the outer shaft shoulder is sealed, gas can only enter another cavity from the damping air hole, and the; when the piston returns from the sleeve, the O-shaped sealing ring moves to one side of the inner shaft shoulder, and gas enters the cavity at the inner end of the sleeve from the gap between the sleeve and the outer shaft shoulder and the air return hole.
In the prior art, a plastic control valve used in a lifting air pressure rod is made of aluminum and machined, so that the tolerance and the surface roughness of the machined plastic control valve have certain difference and the cost is high.
In order to solve the problems, through retrieval, for example, in chinese patent application No. 201610610553.8, published as 2016, 10, 26, a plastic control valve of a pneumatic rod is disclosed, which comprises a valve body, a valve needle guide hole and a sealing hole are arranged in the center of the valve body, the valve needle guide hole is connected with the sealing hole, a glue injection point, a counter bore and a reinforcing rib are arranged on one side of the valve body, the reinforcing rib is arranged in the counter bore and connected with the glue injection point, and at least one gasket hole is arranged on the outer side of the valve body.
In the actual use process, the valve needle and the valve body are not tightly matched, so that air leakage is caused, the performance of the air spring is unstable, and the normal use is influenced.
Disclosure of Invention
1. Problems to be solved
There is a clearance seal between needle and the valve body to the accuse valve of current air spring, causes the problem of gas leakage easily, the utility model provides a novel air spring accuse valve and production and processing method thereof optimizes the structure of accuse valve, reduces the fit clearance between needle and the valve body, avoids the appearance of gas leakage problem.
Another object of the utility model is to provide an air spring with above-mentioned accuse valve.
2. Technical scheme
In order to solve the above problem, the utility model discloses the technical scheme who adopts as follows:
the utility model discloses a novel air spring accuse valve, including valve body and needle, the valve body is seted up along the central axis and is had valve needle guide hole and sealed hole, valve needle guide hole and sealed hole link up mutually, valve needle guide hole and sealed hole medial surface all be equipped with the seal cover, the needle passes the seal cover and arranges valve needle guide hole and sealed hole in.
In the utility model relates to a possible embodiment, the material of seal cover is flexible material, and the material of chooseing for use is rubber or silica gel, preferably rubber.
In a possible embodiment of the present invention, the inner diameter of the sealing sleeve is slightly larger than the diameter of the valve needle.
In a possible embodiment of the present invention, the valve body is provided with at least one air outlet hole connected to the sealing hole, and the lateral surface of the valve body is provided with at least one gasket groove, in which the gasket is disposed.
In a possible embodiment of the present invention, the inner side surface of the sealing hole is further provided with a guide sleeve, and a side surface of the guide sleeve is supported on the sealing sleeve and arranged outside the sealing sleeve.
In a possible embodiment of the present invention, the guiding sleeve is made of metal, and the material for selection is steel or aluminum alloy.
In a possible embodiment of the present invention, the valve body is provided with a ring groove, and the ring groove is provided with a reinforcing rib.
Another object of the utility model is to provide an air spring still, including foretell novel air spring accuse valve.
3. Advantageous effects
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the novel air spring control valve of the utility model is provided with the sealing sleeves on the inner side surfaces of the valve needle guide hole and the sealing hole, the valve needle passes through the sealing sleeves to be arranged in the valve needle guide hole and the sealing hole, and the valve needle and the valve body are effectively sealed by the sealing sleeves, thereby improving the sealing effect and avoiding air leakage;
(2) the novel air spring control valve of the utility model has the advantages that the sealing sleeve is made of flexible materials, the valve needle is made of metal materials, if the sealing sleeve is made of hard materials, sliding friction exists between the sealing sleeve and the valve needle, the friction loss is large, and the service life of the air spring is greatly reduced;
(3) the novel air spring control valve of the utility model is characterized in that the guide sleeve is arranged outside the sealing sleeve, the valve body is made of PA66 or PA6 material, the hardness of the valve body is not high relative to that of a metal valve needle, the valve needle is inserted into the valve body from the guide sleeve side, and the valve needle contacts with the guide sleeve, so that the impact of the valve needle on the valve body during instant operation is reduced;
(4) the utility model discloses a novel air spring accuse valve, simple structure easily makes.
Drawings
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a novel gas spring control valve according to an embodiment of the present invention;
fig. 2 is an end view of the novel gas spring control valve according to the embodiment of the present invention;
fig. 3 is a partial sectional view of the novel gas spring control valve of the embodiment of the present invention.
The notation in the figure is:
100. a valve body; 110. a valve needle guide hole; 120. sealing the hole; 130. sealing sleeves; 140. an air outlet; 150. a gasket groove; 160. an annular groove; 170. reinforcing ribs; 180. a guide sleeve;
200. a valve needle;
300. and (7) a gasket.
Detailed Description
The following detailed description of exemplary embodiments of the invention refers to the accompanying drawings, which form a part hereof, and in which is shown by way of illustration exemplary embodiments in which the invention may be practiced. Although these exemplary embodiments are described in sufficient detail to enable those skilled in the art to practice the invention, it should be understood that other embodiments may be realized and that various changes to the invention may be made without departing from the spirit and scope of the present invention. The following more detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only and not limitation to provide the best mode contemplated for carrying out the invention and to enable any person skilled in the art to practice the invention. Accordingly, the scope of the invention is to be limited only by the following claims.
The detailed description and exemplary embodiments of the invention may be better understood when read in conjunction with the following drawings, where the elements and features of the invention are identified by reference numerals.
Example 1
As shown in fig. 1 to 3, the novel gas spring control valve of the present embodiment includes a valve body 100 and a valve needle 200, the valve body 100 is provided with a valve needle guide hole 110 and a sealing hole 120 along a central axis, the valve needle guide hole 110 is connected with the sealing hole 120, the valve body 100 is provided with at least one air outlet hole 140 connected and communicated with the sealing hole 120, the outer side surface of the valve body 100 is provided with three gasket grooves 150, and a gasket 300 is disposed in the gasket grooves 150. The inner side surfaces of the valve needle guide hole 110 and the sealing hole 120 are both provided with a sealing sleeve 130, and the valve needle 200 passes through the sealing sleeve 130 and is arranged in the valve needle guide hole 110 and the sealing hole 120.
It should be noted that, in the field of control valve technology, the inventor has conducted research and analysis, and the structure of the built-in sealing sleeve 130 in the valve body 100 has not appeared at present, and the analysis may be due to: the material of valve body 100 trades by metallic aluminum for accords with the material such as PA66 or PA6, and the fit clearance between needle 200 and valve body 100 is less relatively, and the valve body 100 of composite material adopts the integrated into one piece that moulds plastics, sets up seal cover 130 and more for the difficulty, the utility model discloses an inventor combines the condition of actual production, optimizes the structure of accuse valve, and needle 200 passes seal cover 130 and arranges valve needle guiding hole 110 and sealed hole 120 in, carries out effectual sealing through seal cover 130 between needle 200 and the valve body 100, has improved sealed effect, avoids appearing leaking gas.
In this embodiment, the sealing sleeve 130 is made of a flexible material, and the selected material is rubber or silica gel, preferably rubber. The melting point of the rubber is high, and the injection temperature of the valve body 100 is 280-300 ℃ during injection molding, so that the deformation of the sealing sleeve 130 cannot be caused.
Considering that the valve needle 200 and the sealing sleeve 130 are in interference fit, the inner diameter of the sealing sleeve 130 is slightly larger than the diameter of the valve needle 200, and such a design can ensure that the sealing sleeve 130 tightly fits the valve needle 200, and air leakage is avoided.
In addition, the valve body 100 is changed from a metal material to a composite material, the hardness is reduced, the inner side surface of the sealing hole 120 is further provided with a guide sleeve 180, one side surface of the guide sleeve 180 abuts against the sealing sleeve 130 and is arranged on the outer side of the sealing sleeve 130, the valve needle 200 is inserted into the valve body 100 from the side of the guide sleeve 180, the valve needle 200 is in contact with the guide sleeve 180, and the impact effect of the valve needle 200 on the valve body 100 in instant working is reduced.
Specifically, the guide sleeve 180 is made of metal, and the selected material is steel or aluminum alloy.
In order to enhance the strength and reduce the weight of the whole control valve, the valve body 100 is provided with an annular groove 160, and a reinforcing rib 170 is arranged in the annular groove 160.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a novel air spring accuse valve, includes valve body (100) and needle (200), valve body (100) are seted up along the central axis and are had valve needle guiding hole (110) and sealed hole (120), valve needle guiding hole (110) and sealed hole (120) link up mutually, its characterized in that, valve needle guiding hole (110) and sealed hole (120) medial surface all be equipped with seal cover (130), valve needle (200) pass seal cover (130) and arrange valve needle guiding hole (110) and sealed hole (120) in.
2. A novel gas spring control valve according to claim 1, characterized in that the sealing sleeve (130) is made of a flexible material, and the selected material is rubber or silica gel.
3. A novel gas spring control valve according to claim 1, characterized in that the inner diameter of the sealing sleeve (130) is slightly larger than the diameter of the valve needle (200).
4. The novel gas spring control valve according to claim 1, characterized in that the valve body (100) is provided with at least one gas outlet hole (140) communicated with the sealing hole (120), the outer side surface of the valve body (100) is provided with at least one gasket groove (150), and the gasket (300) is arranged in the gasket groove (150).
5. A novel gas spring control valve according to any one of claims 1 to 4, characterized in that a guide sleeve (180) is further arranged on the inner side surface of the sealing hole (120), and one side surface of the guide sleeve (180) abuts against the sealing sleeve (130) and is arranged on the outer side of the sealing sleeve (130).
6. A novel gas spring control valve according to claim 5, characterized in that said guide sleeve (180) is made of metal, and the selected material is steel or aluminum alloy.
7. A novel gas spring control valve according to claim 6, characterized in that the valve body (100) is provided with an annular groove (160), and a reinforcing rib (170) is arranged in the annular groove (160).
8. A gas spring including a novel gas spring control valve according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276182.XU CN210461513U (en) | 2019-08-07 | 2019-08-07 | Novel air spring control valve and air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276182.XU CN210461513U (en) | 2019-08-07 | 2019-08-07 | Novel air spring control valve and air spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210461513U true CN210461513U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276182.XU Active CN210461513U (en) | 2019-08-07 | 2019-08-07 | Novel air spring control valve and air spring |
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| Country | Link |
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| CN (1) | CN210461513U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439953A (en) * | 2019-08-07 | 2019-11-12 | 安徽莱特气弹簧有限公司 | A kind of novel gas spring control valve and its production and processing method and gas spring |
-
2019
- 2019-08-07 CN CN201921276182.XU patent/CN210461513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110439953A (en) * | 2019-08-07 | 2019-11-12 | 安徽莱特气弹簧有限公司 | A kind of novel gas spring control valve and its production and processing method and gas spring |
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