CN218894908U - Double-cylinder hydro-pneumatic spring with liquid cooling water jacket - Google Patents
Double-cylinder hydro-pneumatic spring with liquid cooling water jacket Download PDFInfo
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- CN218894908U CN218894908U CN202222588543.2U CN202222588543U CN218894908U CN 218894908 U CN218894908 U CN 218894908U CN 202222588543 U CN202222588543 U CN 202222588543U CN 218894908 U CN218894908 U CN 218894908U
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Abstract
The utility model discloses a double-cylinder hydro-pneumatic spring with a liquid cooling water jacket, which comprises: the double-cylinder type hydro-pneumatic spring body and the liquid cooling water jacket sleeved at the middle part of the outer wall of the double-cylinder type hydro-pneumatic spring body; a cooling liquid chamber is formed between the inner wall of the liquid cooling water jacket and the double-cylinder type hydro-pneumatic spring body and is used for accommodating cooling liquid; two end surfaces of the liquid cooling water jacket are respectively provided with a cooling liquid circulation interface, one end of each cooling liquid circulation interface is communicated with the cooling liquid cavity, and the other end of each cooling liquid circulation interface is connected to the radiator through a pipeline; according to the utility model, the circulating liquid cooling water jacket is arranged outside the channel through which hydraulic oil in the hydro-pneumatic spring flows, so that the working temperature of the double-cylinder hydro-pneumatic spring is reduced, the durable service life of a key sealing element in the hydro-pneumatic spring is greatly prolonged, and leakage of high-pressure nitrogen and hydraulic oil is prevented.
Description
Technical Field
The utility model belongs to the technical field of vibration reduction and vibration isolation, and particularly relates to a double-cylinder hydro-pneumatic spring with a liquid cooling water jacket.
Background
The hydro-pneumatic spring is a vibration damper which uses inert gas (nitrogen) as an elastic medium, uses oil liquid as a force transmission medium and integrates an elastic element and a damping element. The vehicle-mounted intelligent control system has good nonlinear characteristics, and can realize functions of vehicle posture adjustment, suspension rigid locking and the like after the hydraulic electric control system is additionally arranged. Compared with other suspension systems, the hydro-pneumatic suspension system can fully improve the maneuverability, comfort and steering stability of the vehicle, can especially meet the index requirements of special vehicles, engineering vehicles and military vehicles, and has good development prospect.
The patent with publication number CN201710185121.1 discloses a hydro-pneumatic spring, has the double-cylinder structure of hydro-cylinder and cylinder that set up side by side, and when hydro-pneumatic spring normally works, hydraulic oil can flow between hydro-cylinder and cylinder, is provided with the damping valve on the passageway that hydraulic oil flows, produces damping force when hydraulic oil flows through the damping valve to the vibration of damping road surface transmission improves the ride comfort of vehicle.
However, the damping force will convert kinetic energy into internal energy, which is dissipated into the air by the temperature difference. In the daily working condition of the hydro-pneumatic spring, the temperature of hydraulic oil can reach 130 ℃, under severe working conditions, the temperature of the hydraulic oil can reach more than 160 ℃, all elements in the hydro-pneumatic spring work in a high-temperature environment, and in the long run, rubber sealing materials in the hydro-pneumatic spring can be aged in advance to different degrees, so that high-pressure nitrogen and hydraulic oil are leaked.
Disclosure of Invention
In view of the above, the utility model provides a double-cylinder hydro-pneumatic spring with a liquid cooling water jacket, wherein the liquid cooling water jacket is externally arranged on a channel through which hydraulic oil flows in the hydro-pneumatic spring, so that the working temperature of the double-cylinder hydro-pneumatic spring is reduced, the durable service life of key sealing elements in the hydro-pneumatic spring is greatly prolonged, and high-pressure nitrogen and hydraulic oil are prevented from leaking.
The utility model is realized by the following technical scheme:
a dual barrel hydro-pneumatic spring with a liquid cooled water jacket, comprising: the double-cylinder type hydro-pneumatic spring body and the liquid cooling water jacket sleeved at the middle part of the outer wall of the double-cylinder type hydro-pneumatic spring body;
the peripheral device is a radiator;
a cooling liquid chamber is formed between the inner wall of the liquid cooling water jacket and the double-cylinder type hydro-pneumatic spring body and is used for accommodating cooling liquid; two end surfaces of the liquid cooling water jacket are respectively provided with a cooling liquid circulation interface, one end of each cooling liquid circulation interface is communicated with the cooling liquid cavity, and the other end of each cooling liquid circulation interface is connected to the radiator through a pipeline;
after the liquid cooling water jacket is sleeved on the double-cylinder oil-gas spring body, a cooling liquid circulation interface which is positioned relatively below is a cooling liquid inlet and is used for cooling liquid to flow into a cooling liquid cavity from a radiator, and the other cooling liquid circulation interface which is positioned relatively above is a cooling liquid outlet and is used for cooling liquid to flow out from the cooling liquid cavity to the radiator; the radiator is used for circularly replacing cooling liquid in the cooling liquid chamber to realize cooling of the double-cylinder type hydro-pneumatic spring body.
Further, the liquid cooling water jacket is of a columnar shell structure, each end face of the columnar shell structure is provided with two through holes, and the two through holes on one end face are respectively opposite to the two through holes on the other end face;
the double-cylinder type hydro-pneumatic spring body is internally provided with a hydro-cylinder and a cylinder which are arranged in parallel; the cylinder of the double-cylinder hydro-pneumatic spring body passes through two opposite through holes on the liquid cooling water jacket, and the cylinder passes through the other two opposite through holes on the liquid cooling water jacket; and sealing treatment is carried out between the through hole and the double-cylinder type hydro-pneumatic spring body.
Further, on each terminal surface of liquid cooling water jacket, be provided with annular boss along the circumference of every through-hole, the inner wall face of annular boss is provided with annular groove, and O type sealing washer sets up in annular groove.
Furthermore, each liquid cooling water jacket is formed by splicing two identical liquid cooling parts;
each end of the liquid cooling part is uniformly and integrally formed with two parallel semi-annular bosses, and the radiuses of the inner walls of the semi-annular bosses are equal; an arc-shaped groove is formed in the inner wall of each semi-annular boss; a connecting plate II is arranged between two parallel semi-annular bosses positioned at the same end of the liquid cooling part, and a through hole is formed in the connecting plate II; the contact surface of the liquid cooling part when being spliced with the other liquid cooling part is a splicing surface, two sides of the splicing surface of the liquid cooling part are provided with an everting connecting plate I, and a plurality of fixing through holes are formed in the connecting plate I; and a cooling liquid circulation interface is also arranged on one end face of the liquid cooling part.
Further, after the two liquid cooling parts are spliced, semi-annular bosses on the two liquid cooling parts are spliced into the annular bosses in a one-to-one correspondence manner, and arc-shaped grooves on the two liquid cooling parts are spliced into the annular grooves in a uniform one-to-one correspondence manner; two cooling liquid communication interfaces on the two liquid cooling parts are respectively positioned at two ends; the through holes on the two liquid cooling parts are opposite one by one and are used for connecting the two liquid cooling parts through the fastening piece.
Further, the splicing surface of the liquid cooling part is coated with sealant.
Further, the double-cylinder type hydro-pneumatic spring with the liquid cooling water jacket further comprises a temperature sensor, a threaded hole is formed in one end face of the liquid cooling water jacket, and the temperature sensor is installed on the liquid cooling water jacket through the threaded hole and used for measuring the temperature of cooling liquid in the cooling liquid cavity.
Further, a threaded hole is formed in the end face, opposite to the end face where the cooling liquid flowing port is formed in the end face, of the liquid cooling part, and after the two liquid cooling parts are spliced, the temperature sensor is installed at the end where the cooling liquid inlet is formed in a threaded mode, and the threaded hole at the end where the cooling liquid outlet is formed in a sealing mode.
The beneficial effects are that:
(1) The liquid cooling water jacket is sleeved on the outer wall of the double-cylinder type hydro-pneumatic spring body, a cooling liquid cavity is formed between the inner wall of the liquid cooling water jacket and the double-cylinder type hydro-pneumatic spring body, and the radiator is used for circularly replacing cooling liquid in the cooling liquid cavity to take away redundant heat of the double-cylinder type hydro-pneumatic spring body, so that the working temperature of the double-cylinder type hydro-pneumatic spring body is reduced, the damage of the temperature to sealing elements in the hydro-pneumatic spring is reduced, the durable service life of key sealing elements in the hydro-pneumatic spring is prolonged, the leakage of high-pressure nitrogen and hydraulic oil is prevented, and the service life and reliability of the hydro-pneumatic spring are improved;
the liquid cooling water jacket is sleeved at the middle position of the outer wall of the double-cylinder type hydro-pneumatic spring body, namely the liquid cooling water jacket is sleeved at the outer wall of the main working position of the main piston in the oil cylinder and the floating piston in the air cylinder, and the heat exchange area can be increased as much as possible under the condition of not changing the structure of the double-cylinder type hydro-pneumatic spring body based on the working principle of the double-cylinder type hydro-pneumatic spring, so that the heat dissipation efficiency is improved, and the temperature between the floating piston and the main piston is reduced;
and the cooling liquid circulation interface which is relatively positioned below the two cooling liquid circulation interfaces is a cooling liquid inlet, the cooling liquid circulation interface which is relatively positioned above the two cooling liquid circulation interfaces is a cooling liquid outlet, the inlet is positioned below, the outlet is positioned above, cooling liquid can not flow back under the action of gravity, the cooling liquid can be ensured to be filled in the cavity no matter how large the cooling liquid flow flows into the cooling liquid cavity by the radiator, stable heat dissipation is ensured, and poor heat dissipation effect caused by the existence of a liquid cavity in the cooling liquid cavity is prevented.
(2) Each liquid cooling water jacket is formed by splicing two identical liquid cooling parts, each end of each liquid cooling part is uniformly and integrally formed with two parallel semi-annular bosses, and the radiuses of the inner walls of the semi-annular bosses are equal; an arc-shaped groove is formed in the inner wall of each semi-annular boss; the two sides of the splicing surface of the liquid cooling part are provided with an everting connecting plate I; the liquid cooling parts are of symmetrical structures except for the cooling liquid flowing interfaces, so that the structure is simple, the die opening cost is reduced, the liquid cooling parts are not required to be distinguished during installation, the liquid cooling parts can be interchanged at will, and the production and installation efficiency can be improved;
(3) In the utility model, after the two liquid cooling parts are spliced, the two liquid cooling parts are connected through a fastener; the liquid cooling water jacket is formed by splicing two liquid cooling parts, so that the disassembly and the assembly of the liquid cooling water jacket under the condition that the double-cylinder type hydro-pneumatic spring body 1 is not dismantled are realized, the liquid cooling water jacket adopts a modularized assembly mode, holes are not drilled on the wall surfaces of the original oil cylinder and the original air cylinder, and the hydro-pneumatic spring can still work normally even if the circulating water jacket device is dismantled, leakage points are not increased, and leakage risks are avoided.
(4) The double-cylinder type hydro-pneumatic spring with the liquid cooling water jacket also comprises a temperature sensor, and the temperature of the cooling liquid in the cooling liquid chamber is measured, so that when the temperature of the cooling liquid reaches a set value, the radiator can work again, and the on-demand cooling of the hydro-pneumatic spring is realized.
(5) The temperature sensor is arranged at the end where the cooling liquid inlet is positioned, so that the temperature of the cooling liquid can be detected more accurately, and the cooling of the oil-gas spring can not be realized due to overheat of the cooling liquid.
Drawings
FIG. 1 is a perspective view of a dual barrel hydro-pneumatic spring with a liquid cooled water jacket;
FIG. 2 is a cross-sectional view of a dual barrel hydro-pneumatic spring with a liquid cooled water jacket;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a liquid cooled water jacket detail drawing;
FIG. 5 is a perspective view of a liquid cooled water jacket;
FIG. 6 is a cross-sectional view of C-C of FIG. 2;
FIG. 7 is an enlarged view of part B of FIG. 6;
the novel double-cylinder oil-gas spring comprises a 1-double-cylinder oil-gas spring body, a 2-liquid cooling water jacket, a 3-cooling liquid circulation interface, a 4-O-shaped sealing ring, a 5-semi-annular boss, a 6-fixing through hole, a 7-cooling liquid chamber, an 8-sealing bolt, a 9-temperature sensor, a 10-fastening bolt, an 11-threaded hole, a 12-arc-shaped groove, a 13-connecting plate I and a 14-connecting plate II.
Detailed Description
The utility model will now be described in detail by way of example with reference to the accompanying drawings.
Example 1:
the embodiment provides a double-cylinder hydro-pneumatic spring with a liquid cooling water jacket, referring to fig. 1, comprising: the double-cylinder type hydro-pneumatic spring comprises a double-cylinder type hydro-pneumatic spring body 1 and a liquid cooling water jacket 2 sleeved at the middle part of the outer wall of the double-cylinder type hydro-pneumatic spring body 1;
the peripheral device is a radiator;
a cooling liquid chamber 7 is formed between the inner wall of the liquid cooling water jacket 2 and the double-cylinder type hydro-pneumatic spring body 1 and is used for accommodating cooling liquid; the two end surfaces of the liquid cooling water jacket 2 are respectively provided with a cooling liquid circulation interface 3, one end of each cooling liquid circulation interface 3 is communicated with the cooling liquid chamber 7, and the other end is connected to the radiator through a pipeline;
after the liquid cooling water jacket 2 is sleeved on the double-cylinder oil-gas spring body 1, the cooling liquid circulation interface 3 which is positioned relatively below in the two cooling liquid circulation interfaces 3 is a cooling liquid inlet and is used for cooling liquid to flow into the cooling liquid chamber 7 from the radiator, and the cooling liquid circulation interface 3 which is positioned relatively above is a cooling liquid outlet and is used for cooling liquid to flow out from the cooling liquid chamber 7 to the radiator; the radiator is used for circularly replacing the cooling liquid in the cooling liquid chamber 7 to realize the cooling of the double-cylinder hydro-pneumatic spring body 1.
According to the embodiment, the liquid cooling water jacket 2 is sleeved at the middle position of the outer wall of the double-cylinder type hydro-pneumatic spring body 1, namely, the liquid cooling water jacket 2 is sleeved at the outer wall of the main working position of the main piston in the oil cylinder and the floating piston in the air cylinder, and the heat exchange area can be increased as much as possible under the condition that the structure of the double-cylinder type hydro-pneumatic spring body 1 is not changed based on the working principle of the double-cylinder type hydro-pneumatic spring, so that the heat dissipation efficiency is improved, and the floating piston and the main piston are reduced;
in the specific embodiment, a parallel oil cylinder and a parallel air cylinder are arranged in the double-cylinder type hydro-pneumatic spring body 1; one end of the oil cylinder is connected with one end of the air cylinder through a connecting body, a piston rod is arranged at the other end of the oil cylinder, a cooling liquid circulation interface 3 positioned at the end of the connecting body on a liquid cooling water jacket 2 of the double-cylinder type hydro-pneumatic spring body 1 is a cooling liquid outlet, and a cooling liquid circulation interface 3 positioned at the end of the piston rod is a cooling liquid inlet.
Further, the liquid cooling water jacket 2 is a columnar shell structure, each end face of the columnar shell structure is provided with two through holes, and the two through holes on one end face are respectively opposite to the two through holes on the other end face;
the oil cylinder of the double-cylinder hydro-pneumatic spring body 1 passes through two opposite through holes on the liquid cooling water jacket 2, and the air cylinder passes through the other two opposite through holes on the liquid cooling water jacket 2; the through hole and the double-cylinder type hydro-pneumatic spring body 1 are sealed, so that leakage of cooling liquid is prevented.
Further, referring to fig. 2, on each end face of the liquid cooling water jacket 2, an annular boss is arranged along the circumference of each through hole, an annular groove is arranged on the inner wall surface of the annular boss, and an O-shaped sealing ring 4 is arranged in the annular groove to realize the sealing of the contact surface between the through hole and the double-cylinder hydro-pneumatic spring body 1.
Furthermore, each liquid cooling water jacket 2 is formed by splicing two identical liquid cooling parts;
referring to fig. 3 and 4, each end of the liquid cooling part is uniformly and integrally formed with two parallel semi-annular bosses 5, and the radiuses of the inner walls of the semi-annular bosses 5 are equal; an arc-shaped groove 12 is formed in the inner wall of each semi-annular boss 5; a connecting plate II 14 is arranged between the two parallel semi-annular bosses 5 positioned at the same end of the liquid cooling part, and a through hole 6 is arranged on the connecting plate II 14; the contact surface of the liquid cooling part when being spliced with the other liquid cooling part is a splicing surface, two sides of the splicing surface of the liquid cooling part are provided with an everting connecting plate I13, and a plurality of fixing through holes 6 are formed in the connecting plate I13; a cooling liquid circulation interface 3 is also arranged on one end face of the liquid cooling part; each liquid cooling part has a symmetrical structure except the cooling liquid circulation interface 3, has a simple structure, does not need to be distinguished during installation, can be exchanged at will, and can improve the production and installation efficiency;
referring to fig. 5, after the two liquid cooling parts are spliced, the semi-annular bosses 5 on the two liquid cooling parts are uniformly spliced into annular bosses correspondingly, and the arc-shaped grooves 12 on the two liquid cooling parts are uniformly spliced into annular grooves correspondingly; two cooling liquid circulation interfaces 3 on the two liquid cooling parts are respectively positioned at two ends; the through holes 6 on the two liquid cooling parts are uniformly opposite to each other and are used for connecting the two liquid cooling parts through the fastening piece, and the two liquid cooling parts are fixedly arranged on the outer wall of the double-cylinder type hydro-pneumatic spring body 1. In the specific embodiment, the fastener employs a fastening bolt 10.
The liquid cooling water jacket 2 is formed by splicing two identical liquid cooling parts, so that the disassembly and the assembly of the liquid cooling water jacket under the condition that the double-cylinder type hydro-pneumatic spring body 1 is not dismantled are realized, the liquid cooling water jacket 2 adopts a modularized assembly mode, holes are not punched on the wall surfaces of the original oil cylinder and the original air cylinder, and the hydro-pneumatic spring can still normally work even if the circulating water jacket device is dismantled, leakage points are not increased, and the leakage risk is avoided.
Further, the splicing surface of the liquid cooling part is coated with sealant, so that the effect of plane sealing is achieved.
Working principle:
the two liquid cooling parts are spliced and fixed on the outer wall of the double-cylinder type hydro-pneumatic spring body 1, the vehicle runs, the radiator is started when the hydro-pneumatic suspension works, cooling liquid flows in from the cooling liquid inlet, flows out from the cooling liquid outlet after flowing through the cooling liquid cavity 7, and redundant heat of the air cylinder and the oil cylinder is taken away, so that the working temperature of the double-cylinder type hydro-pneumatic spring body 1 is reduced, the damage of the temperature to the sealing element in the hydro-pneumatic spring is reduced, the durable service life of the key sealing element in the hydro-pneumatic spring is prolonged, high-pressure nitrogen and hydraulic oil are prevented from leaking, and the service life and reliability of the hydro-pneumatic spring are improved.
Example 2:
the embodiment is based on embodiment 1, and a double-cylinder hydro-pneumatic spring with a liquid cooling water jacket, see fig. 5-7, further comprises a temperature sensor 9, wherein a threaded hole 11 is formed in one end face of the liquid cooling water jacket 2, the temperature sensor 9 is installed on the liquid cooling water jacket 2 through the threaded hole 11 and is used for measuring the temperature of cooling liquid in the cooling liquid chamber 7, and when the temperature of the cooling liquid reaches a set value, a radiator can work to circularly replace the cooling liquid in the cooling liquid chamber 7 to cool the double-cylinder hydro-pneumatic spring body 1.
Further, a threaded hole 11 is formed in the end face, opposite to the end face where the cooling liquid circulation interface 3 is located, of the liquid cooling part, after the two liquid cooling parts are spliced, the temperature sensor 9 is installed at the end where the cooling liquid inlet is located in a threaded mode, the threaded hole 11 at the end where the cooling liquid outlet is located is subjected to sealing treatment, and in the specific embodiment, the sealing bolt 8 is matched with the threaded hole 11 at the end where the cooling liquid outlet is located in a sealed mode. The temperature sensor 9 is arranged at the end where the cooling liquid inlet is located, so that the temperature of the cooling liquid can be detected more accurately, and the cooling of the oil-gas spring can not be realized due to overheat of the cooling liquid.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. A double-cylinder hydro-pneumatic spring with liquid cooling water jacket, comprising: the double-cylinder type hydro-pneumatic spring body and the liquid cooling water jacket sleeved at the middle part of the outer wall of the double-cylinder type hydro-pneumatic spring body;
the peripheral device is a radiator;
a cooling liquid chamber is formed between the inner wall of the liquid cooling water jacket and the double-cylinder type hydro-pneumatic spring body and is used for accommodating cooling liquid; two end surfaces of the liquid cooling water jacket are respectively provided with a cooling liquid circulation interface, one end of each cooling liquid circulation interface is communicated with the cooling liquid cavity, and the other end of each cooling liquid circulation interface is connected to the radiator through a pipeline;
after the liquid cooling water jacket is sleeved on the double-cylinder oil-gas spring body, a cooling liquid circulation interface which is positioned relatively below is a cooling liquid inlet and is used for cooling liquid to flow into a cooling liquid cavity from a radiator, and the other cooling liquid circulation interface which is positioned relatively above is a cooling liquid outlet and is used for cooling liquid to flow out from the cooling liquid cavity to the radiator; the radiator is used for circularly replacing cooling liquid in the cooling liquid chamber to realize cooling of the double-cylinder type hydro-pneumatic spring body.
2. The double-cylinder hydro-pneumatic spring with the liquid cooling water jacket as claimed in claim 1, wherein the liquid cooling water jacket is of a cylindrical shell structure, each end face of the cylindrical shell structure is provided with two through holes, and the two through holes on one end face are respectively opposite to the two through holes on the other end face;
the double-cylinder type hydro-pneumatic spring body is internally provided with a hydro-cylinder and a cylinder which are arranged in parallel; the cylinder of the double-cylinder hydro-pneumatic spring body passes through two opposite through holes on the liquid cooling water jacket, and the cylinder passes through the other two opposite through holes on the liquid cooling water jacket; and sealing treatment is carried out between the through hole and the double-cylinder type hydro-pneumatic spring body.
3. The double-cylinder hydro-pneumatic spring with the liquid cooling water jacket as claimed in claim 2, wherein an annular boss is arranged on each end face of the liquid cooling water jacket along the circumference of each through hole, an annular groove is arranged on the inner wall surface of the annular boss, and the O-shaped sealing ring is arranged in the annular groove.
4. The double-cylinder hydro-pneumatic spring with liquid cooling water jackets as defined in claim 3 wherein each liquid cooling water jacket is formed by splicing two identical liquid cooling parts;
each end of the liquid cooling part is uniformly and integrally formed with two parallel semi-annular bosses, and the radiuses of the inner walls of the semi-annular bosses are equal; an arc-shaped groove is formed in the inner wall of each semi-annular boss; a connecting plate II is arranged between two parallel semi-annular bosses positioned at the same end of the liquid cooling part, and a through hole is formed in the connecting plate II; the contact surface of the liquid cooling part when being spliced with the other liquid cooling part is a splicing surface, two sides of the splicing surface of the liquid cooling part are provided with an everting connecting plate I, and a plurality of fixing through holes are formed in the connecting plate I; and a cooling liquid circulation interface is also arranged on one end face of the liquid cooling part.
5. The double-cylinder hydro-pneumatic spring with the liquid cooling water jacket as claimed in claim 4, wherein after the two liquid cooling parts are spliced, semi-annular bosses on the two liquid cooling parts are spliced into the annular bosses in a one-to-one correspondence manner, and arc-shaped grooves on the two liquid cooling parts are spliced into the annular grooves in a one-to-one correspondence manner; two cooling liquid communication interfaces on the two liquid cooling parts are respectively positioned at two ends; the through holes on the two liquid cooling parts are opposite one by one and are used for connecting the two liquid cooling parts through the fastening piece.
6. The double-cylinder hydro-pneumatic spring with the liquid cooling water jacket as defined in claim 5, wherein the splicing surface of the liquid cooling parts is coated with sealant.
7. A double-cylinder hydro-pneumatic spring with a liquid cooling water jacket as in any one of claims 4-6 further comprising a temperature sensor having a threaded bore in one end face of the liquid cooling water jacket, the temperature sensor being mounted to the liquid cooling water jacket through the threaded bore for measuring the temperature of the cooling fluid in the cooling fluid chamber.
8. The double-cylinder hydro-pneumatic spring with the liquid cooling water jacket as claimed in claim 7, wherein the end face of the liquid cooling part opposite to the end face where the cooling liquid flowing port is located is provided with a threaded hole, after the two liquid cooling parts are spliced, the temperature sensor is installed at the end where the cooling liquid inlet is located in a threaded mode, and the threaded hole at the end where the cooling liquid outlet is located is sealed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222588543.2U CN218894908U (en) | 2022-09-29 | 2022-09-29 | Double-cylinder hydro-pneumatic spring with liquid cooling water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222588543.2U CN218894908U (en) | 2022-09-29 | 2022-09-29 | Double-cylinder hydro-pneumatic spring with liquid cooling water jacket |
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| CN218894908U true CN218894908U (en) | 2023-04-21 |
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| CN202222588543.2U Active CN218894908U (en) | 2022-09-29 | 2022-09-29 | Double-cylinder hydro-pneumatic spring with liquid cooling water jacket |
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- 2022-09-29 CN CN202222588543.2U patent/CN218894908U/en active Active
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