Press oil cylinder flow adjusting device with conical throttling damping structure
By designing a press cylinder flow control device with a conical throttling damping structure and utilizing a combination of a valve body, a buffer rod, and a check valve, convenient flow control and buffer protection against excessive pressure are achieved, thus solving the instability and equipment damage problems of existing devices.
Patent Information
- Application Number
- CN202423026898.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Existing flow regulating devices lack buffer components, resulting in unstable oil delivery, which can easily damage the equipment when the pressure is too high and has limited functionality.
A flow regulating device for a press cylinder with a conical throttling damping structure is designed. The device includes a valve body, a buffer rod, a check valve, and a damping buffer assembly. The position of the valve body and the check valve is adjusted by controlling the fluid pressure to achieve convenient flow regulation and provide buffering protection when the pressure is too high.
It achieves the stability of fluid transportation and the protection of equipment, ensures smooth fluid transportation, reduces the possibility of equipment damage, and meets usage requirements.
Smart Images
Figure CN223360005U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of flow regulation, in particular to a flow regulating device for a press oil cylinder with a conical throttling damping structure. Background Art
[0002] Press cylinders are key components of construction machinery, such as presses. Many movements are performed by the cylinder, a hydraulic actuator that converts hydraulic energy into mechanical energy, producing linear reciprocating (or oscillating) motion. They offer a simple structure and reliable operation. Using them to achieve reciprocating motion eliminates the need for a reduction gear, eliminates transmission backlash, and ensures smooth motion. Consequently, they are widely used in the hydraulic systems of various machines.
[0003] At present, in hydraulic systems, a flow regulating device is applied to control the oil flow of the cylinder, so as to conveniently control the oil flow to the cylinder and ensure the use function. The existing flow regulating device generally includes a valve body and a valve core. The valve body is provided with an inlet and outlet connected to the inner cavity of the valve body. The inner end of the inlet cooperates with the head of the valve core to form a control port. A flow channel connecting the inner cavity of the valve body and the outlet is also provided in the valve body. The tail of the valve core is a rod-shaped body that can be inserted into the above-mentioned flow channel, and the inserted part of the rod-shaped body is shorter than the length of the flow channel. At the same time, a spring is sleeved on the rod-shaped body so that the head of the valve core always has a spring against the control port. Its structure is simple and can achieve the purpose of constant flow. However, for the situation where the flow rate is too large during the oil delivery process, resulting in excessive delivery pressure, the existing flow regulating device lacks certain buffer components, which can easily make the internal fluid delivery process unstable, and the excessive pressure cannot be relieved, which will cause damage to the equipment itself, and the use functionality is limited. To this end, we provide a press cylinder flow regulating device with a conical throttling damping structure. Utility Model Content
[0004] In response to the technical problems existing in the above-mentioned flow conveying process, the utility model proposes a flow regulating device for a press cylinder with a conical throttling damping structure, which has a reasonable design, a simple structure, and is easy to process, and can conveniently control the flow based on the fluid conveying process. It can also cope with the situation where the pressure is suddenly too high during fluid conveying and achieve buffering. While ensuring the smooth conveying of the fluid, it reduces the possibility of damage to the equipment and effectively meets the use requirements.
[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is a compressor cylinder flow regulating device with a conical throttling damping structure, including a regulating device body, the regulating device body including a shell with an E-shaped cross-section, a valve body with a double-conical design is arranged above the shell, a buffer rod is arranged below the valve body, a check valve is arranged below the buffer rod, a damping buffer assembly is arranged at the connection between the buffer rod and the check valve, a first spring is arranged on the outer periphery of the buffer rod, the upper half of the check valve is designed in a conical shape, and the lower half is designed in a streamlined cone shape, a plate body with a stepped design is arranged on the lower half of the check valve, a vertical rod is arranged below the shell corresponding to the plate body, and passes through the corners of the plate body, a slot is opened in the shell corresponding to the vertical rod, a second spring is arranged on the outer periphery of the vertical rod, and an end cover with a ring shape is arranged below the shell.
[0006] Preferably, a T-shaped placement hole is opened above the check valve, and the damping buffer assembly includes a third spring set up in the placement hole. A damping ring is provided at the upper opening of the placement hole and is sleeved on the outer periphery of the buffer rod.
[0007] Preferably, a drainage cover is further provided in the shell located outside the buffer rod, and the inner side of the drainage cover is designed to be closed from top to bottom. A support rod is provided below the drainage cover, and a ring frame is provided at the end of the support rod to facilitate supporting the position of the first spring.
[0008] Preferably, an extension sleeve is provided above the shell, and a sealing ring is provided at the inner opening of the shell below the extension sleeve.
[0009] Compared with the prior art, the advantages and positive effects of the present invention are:
[0010] 1. The utility model provides a compressor cylinder flow regulating device with a conical throttling damping structure. The valve body, buffer rod and check valve are established. During use, the valve body and the check valve are pushed by the pressure of the fluid delivery, so that the fluid is delivered downward through the valve body and discharged after flowing through the check valve. According to different usage requirements, the pressure of the input fluid is controlled to adjust the position of the valve body and the check valve, thereby completing the convenient regulation of the flow and improving the functionality of the device. The damping buffer component is established, which can provide good buffering performance for the device itself when the external fluid delivery pressure is greater than the set pressure, reduce the possibility of damage, and ensure the smooth progress of the fluid delivery work, meeting the usage requirements. The device has a reasonable design, simple structure, and convenient processing. It can complete the convenient regulation of the flow based on the fluid delivery process, and can cope with the situation where the pressure is suddenly too high during fluid delivery, and achieve buffering. While ensuring the smooth delivery of the fluid, it reduces the possibility of damage to the equipment and effectively meets the usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, a brief introduction will be given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.
[0012] Figure 1 This is a schematic diagram of the structure provided in Example 1 of the present utility model;
[0013] Figure 2 A front view of the internal structure provided by Example 1 of the present utility model;
[0014] Figure 3 This is a schematic diagram of the internal structure provided by Example 1 of the present utility model;
[0015] Figure 4 This is a schematic diagram of the internal structure provided by Example 1 of the utility model (in use);
[0016] In the above figures, 1. shell; 2. valve body; 3. buffer rod; 4. check valve; 41. placement hole; 5. damping buffer assembly; 51. third spring; 52. damping ring; 6. first spring; 7. plate; 8. vertical pole; 9. second spring; 10. end cover; 11. drainage cover; 111. support rod; 112. ring frame; 12. extension pipe sleeve; 13. sealing ring. DETAILED DESCRIPTION
[0017] In order to more clearly understand the above-mentioned purpose, features and advantages of the present invention, the present invention is further described below with reference to the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.
[0018] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0019] Examples, such as Figures 1 to 4As shown, a flow regulating device for a compressor cylinder with a conical throttling damping structure includes a regulating device body, which includes a shell 1 with an E-shaped cross section, wherein through holes with increasing diameters are sequentially opened from top to bottom in the shell 1, which can ensure the passage of fluid on the one hand, and provide a prerequisite for the valve body 2 or the check valve 4 to cooperate with it on the other hand. Further, a valve body 2 with a double-conical shape is arranged above the shell 1, the outer side surface of the upper half of the valve body 2 is designed in an arc shape, and the outer side surface of the lower half is designed in a straight line. The establishment of the upper half is to facilitate the output of the fluid to the outside, and the establishment of the lower half is to reduce the flow rate when the fluid input pressure is higher than the set pressure, so as to prevent damage to the equipment. A buffer rod 3 is arranged below the valve body 2. A check valve 4 is provided below the buffer rod 3. During use, the valve body 2 and the check valve 4 are pushed by the pressure of the fluid delivery, so that the fluid is delivered downward through the valve body 2 and discharged after flowing through the check valve 4. According to different usage requirements, the pressure of the input fluid is controlled to adjust the position of the valve body 2 and the check valve 4, thereby completing the convenient regulation of the flow rate. Of course, in the process of using the regulating device body to carry out fluid delivery and flow control, a maximum fluid delivery pressure value is established. When the fluid delivery pressure reaches the set value, the step at the middle part of the plate body 7 is against the top of the end cover 10, which is the maximum position of its fall. Similarly, when the geometric center of the valve body 2 is at the upper end surface of the drainage hood 11, it is also the fluid delivery The delivery pressure reaches the set value, and the flow rate in this state is the maximum value to meet different usage requirements. A damping buffer component 5 is provided at the connection between the buffer rod 3 and the check valve 4, and its function is: when the external fluid delivery pressure is greater than the set pressure, it can provide good buffering performance for the device itself, reduce the possibility of damage, and ensure the smooth progress of fluid delivery work to meet usage requirements; a first spring 6 is provided on the periphery of the buffer rod 3, the upper half of the check valve 4 is designed in a conical shape, and the lower half is designed in a streamlined cone shape. A plate body 7 with a stepped design is provided on the lower half of the check valve 4, and one side end face of the plate body 7 has two stepped structures, the top step is connected to the vertical rod 8, and the other step on one side is moved downward. When the valve body 1 is in motion, it will rest against the upper end surface of the end cover 10. In this state, it is at the maximum movement distance. A vertical rod 8 is provided at the bottom of the shell 1 corresponding to the plate body 7, and a slot is provided in the shell 1 corresponding to the vertical rod 8. A second spring 9 is provided on the outer periphery of the vertical rod 8. An end cover 10 designed in a ring shape is provided at the bottom of the shell 1. The specific description is as follows: the first spring 6 and the second spring 9 have the same elastic force. When the fluid is input, the fluid delivery channel can be conveniently opened to ensure its smooth delivery. When there is no more fluid input from the outside, the valve body 2 moves up and cooperates with the sealing ring 13 to achieve sealing. The check valve 4 blocks the through hole in the middle and plays a role in primary anti-backflow, thereby ensuring the stability of the hydraulic system and meeting the use requirements.
[0020] In the above process: utilizing the valve body 2, buffer rod 3 and check valve 4 established, during use, with the help of the pressure of fluid delivery, the valve body 2 and the check valve 4 are pushed to make the fluid be delivered downward through the valve body 2, and be discharged after flowing through the check valve 4. According to different usage requirements, the pressure of the input fluid is controlled to adjust the position of the valve body 2 and the check valve 4, thereby completing the convenient regulation of the flow rate and improving the functionality of the device; utilizing the established damping buffer component 5, it can provide good buffering performance for the device itself when the external fluid delivery pressure is greater than the set pressure, reduce the possibility of damage, and ensure the smooth progress of the fluid delivery work, meeting the usage requirements; the device has a reasonable design, simple structure, and easy processing, and can complete the convenient regulation of the flow rate based on the fluid delivery process, and can cope with the situation where the pressure is suddenly too high during fluid delivery, and achieve buffering, while ensuring the smooth delivery of the fluid, reducing the possibility of damage to the equipment, and effectively meeting the usage requirements.
[0021] In order to make the regulating device body itself have a good buffering effect, especially to protect against the situation of sudden excessive pressure, a placement hole 41 with a T-shaped design is opened above the check valve 4, and the damping buffer assembly 5 includes a third spring 51 set in the placement hole 41, and a damping ring plate 52 is set at the upper opening of the placement hole 41, and is sleeved on the outer periphery of the buffer rod 3, which is specifically described as: wherein, the elastic force of the third spring 51 is greater than the elastic force of the first spring 6 and the second spring 9. When the external pressure is suddenly too large and the fluid is transported into the regulating device body, the valve body 2 bears the pressure and acts on the third spring 51, so that the buffer rod 3 and the valve body 2 can be further compressed, and the damping ring plate 52 also cooperates with the third spring 51, thereby playing a buffering role in the pressure overshoot to a certain extent, reducing the possibility of damage to the equipment and ensuring the use requirements.
[0022] In order to ensure the smoothness of the fluid delivery process, a drainage cover 11 is further provided in the shell body 1 located outside the buffer rod 3. The inner side of the drainage cover 11 is designed to be closed from top to bottom. In this way, the fluid input from the outside into the regulating device body and flowing out downward through the valve body 2 can be converged under the action of the drainage cover 11, and then guided through the check valve 4 to be transported to the hydraulic equipment, ensuring the smoothness of the feed; further, a support rod 111 is provided below the drainage cover 11, and the end of the support rod 111 is provided with a ring frame 112 for supporting the position of the first spring 6. Among them, the support rods 111 are provided with four and in a ring-shaped array, which especially ensures the stability of the ring frame 112. When fluid enters the regulating device body, it acts on the valve body 2 in advance, drives it to move downward and presses the first spring 6. The establishment of the support rod 111 and the ring frame 112 supports the first spring 6, ensuring its full opening and closing to meet the use requirements.
[0023] In order to further improve the rationality of the device, an extension sleeve 12 is provided above the shell 1, which is convenient for connecting the regulating device body with the external fluid input device to ensure the smoothness of the delivery. A sealing ring 13 is provided at the inner opening of the shell 1 below the extension sleeve 12, which can seal the fit between the valve body 2 and the shell 1 to a certain extent, ensuring a good sealing effect inside the equipment components and ensuring the use requirements.
[0024] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification, equivalent change and modification of the above embodiment made according to the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.
Claims
1. A flow regulating device for a press cylinder with a conical throttling damping structure, comprising a regulating device body, characterized in that: The regulating device body includes a shell with an E-shaped cross-section, a valve body with a double-conical shape is arranged above the shell, a buffer rod is arranged below the valve body, a check valve is arranged below the buffer rod, a damping buffer assembly is arranged at the connection between the buffer rod and the check valve, a first spring is arranged on the outer periphery of the buffer rod, the upper half of the check valve is designed in a conical shape, and the lower half is designed in a streamlined cone shape, a plate body with a stepped design is arranged on the lower half of the check valve, a vertical rod is arranged below the shell corresponding to the plate body, and passes through the corners of the plate body, a slot is opened in the shell corresponding to the vertical rod, a second spring is arranged on the outer periphery of the vertical rod, and an end cover with a ring shape is arranged below the shell.
2. A flow regulating device for a press cylinder with a conical throttling damping structure according to claim 1, characterized in that: A T-shaped placement hole is provided above the check valve. The damping buffer assembly includes a third spring set up in the placement hole. A damping ring is provided at the upper opening of the placement hole and is sleeved on the outer periphery of the buffer rod.
3. A flow regulating device for a press cylinder with a conical throttling damping structure according to claim 2, characterized in that: A drainage cover is also provided in the shell located outside the buffer rod. The inner side of the drainage cover is designed to be closed from top to bottom. A support rod is provided below the drainage cover. The end of the support rod is provided with a ring frame for supporting the position of the first spring.
4. A flow regulating device for a press cylinder with a conical throttling damping structure according to claim 3, characterized in that: An extension sleeve is provided above the shell, and a sealing ring is provided at the inner opening of the shell below the extension sleeve.