Proportional valve convenient to disassemble, assemble and maintain

Abstract

The utility model relates to the technical field of proportional valves, and discloses a proportional valve convenient to disassemble, assemble and maintain, which comprises a mounting seat and a proportional valve, the proportional valve comprises a valve shell, and a step platform is arranged on the valve shell; the mounting seat comprises a bottom plate, and the bottom plate is detachably mounted on the equipment body; a base is arranged on the bottom plate, a limiting buckle mounting shaft is arranged on the base, a plurality of limiting buckles are rotationally connected to the limiting buckle mounting shaft, a control assembly is arranged on the base, and the control assembly is used for controlling the poses of the limiting buckles so as to limit the stepped platform. According to the utility model, the limiting buckle is designed to be hidden, so that the limiting buckle cannot be touched by mistake when the device is used in daily life; the step platform is pressed by the limiting buckle, so that the proportional valve cannot be easily pulled up; the locking shaft is in threaded connection with the base, so that the limiting buckle can always and firmly extrude the stepped platform, and the connection stability of the proportional valve and the mounting seat is ensured; and the situation of mounting looseness caused by mistaken touch is avoided.

Description

Technical Field

[0001] This utility model relates to the field of proportional valve technology, specifically, a proportional valve that is easy to disassemble and maintain. Background Technology

[0002] A proportional valve is a valve used to regulate flow and pressure in hydraulic or pneumatic systems. It receives a proportional signal (usually an electrical signal) and converts that signal into valve opening, thereby controlling the flow, pressure, or direction of the medium. Proportional valves are widely used in hydraulic systems requiring precise regulation and control, such as in machinery manufacturing, automation, and aerospace.

[0003] Chinese utility model patent CN212960059U, published in the prior art, provides an easy-to-install electrical proportional valve, including a protective sleeve, an interface, and a second slide groove. A clamp is movably fitted onto the surface of the protective sleeve, and a hinge is fixedly installed on the surface of the clamp. This patent can effectively adapt to various hole positions. However, the device uses clamping blocks to hold the proportional valve, which can lead to unstable installation, allowing the valve to be easily pulled out. Furthermore, these clamping blocks are exposed and prone to accidental contact, causing the proportional valve to loosen. Utility Model Content

[0004] The purpose of this utility model is to provide a proportional valve that is easy to disassemble and maintain, and to solve problems such as unstable installation between the proportional valve and the mounting base, and easy accidental loosening.

[0005] This utility model is achieved through the following technical solution: a proportional valve that is easy to disassemble and maintain, including a mounting base and a proportional valve mounted on the mounting base. The proportional valve includes a valve housing with a stepped platform on the valve housing. The mounting base includes a base plate, which is detachably mounted on the equipment body. A base is provided on the base plate, and a limit buckle mounting shaft is provided on the base. Multiple limit buckles are rotatably connected to the limit buckle mounting shaft. A control component is provided on the base, which is used to control the position of the limit buckles to limit the stepped platform.

[0006] To better realize this utility model, the control component further includes a push shaft and a control shaft slidably connected to the base. The control shaft is provided with two through holes, and multiple limit buckles are inserted into the same through hole. The push shaft is inserted into another through hole, and the push shaft is provided with an inclined surface. A locking shaft is detachably connected to the base, and the locking shaft is used to abut against the push shaft.

[0007] To better realize this utility model, a disassembly cover is detachably connected to the mounting shaft of the limiting buckle, and a first spring is provided between the disassembly cover and the control shaft.

[0008] To better realize this utility model, a rubber pad is further provided in the through hole of the control shaft, and the rubber pad is used to support the limit buckle.

[0009] To better realize this utility model, a second positioning pin is further provided between the base and the valve housing.

[0010] To better realize this utility model, a first positioning pin is further provided on the base plate.

[0011] To better realize this utility model, it further includes a bolt assembly and a washer, the washer being inserted through the bolt assembly, the base plate being provided with a mounting groove, the bolt assembly passing through the mounting groove and the reserved hole on the equipment body to fix the base plate to the equipment body.

[0012] To better realize this utility model, a second spring is further provided between the gasket and the bolt assembly.

[0013] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0014] (1) By designing the limit buckle to be hidden, the limit buckle will not be accidentally touched during daily use of the device; and by using the limit buckle to press down on the stepped platform, the proportional valve will not be easily pulled up, and the limit is more secure.

[0015] (2) This utility model utilizes the threaded connection between the locking shaft and the base to ensure that the limit buckle can always firmly press the stepped platform, ensuring the stability of the connection between the proportional valve and the mounting base; and it will not cause the installation to loosen due to accidental contact; during disassembly, it can be completed by simply turning the locking shaft, and the subsequent disassembly and maintenance are convenient.

[0016] (3) By setting a second spring, when the proportional valve is impacted, the base plate can move slightly relative to the equipment body, and the impact force on the proportional valve is reduced by the displacement, thus protecting the proportional valve. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0018] Figure 2 This is a frontal sectional view of the overall structure of this utility model.

[0019] Figure 3 This is a cross-sectional view of the overall structure of this utility model from the left perspective.

[0020] Figure 4 This is a sectional view of the mounting base structure.

[0021] Figure 5 This is a schematic diagram of the limit buckle and control shaft structure.

[0022] Figure 6 for Figure 1 A magnified view of a portion of point A in the middle.

[0023] Wherein: 1-Mounting base; 2-Proportional valve; 3-Equipment body; 101-Base plate; 102-Bolt group; 103-First positioning pin; 104-Second positioning pin; 105-Base; 106-Limit buckle; 107-Limit buckle mounting shaft; 108-Control shaft; 109-Push shaft; 110-Locking shaft; 111-Removal cover; 112-First spring; 113-Rubber pad; 114-Second spring; 115-Gasket; 116-Mounting groove; 201-Valve housing; 202-Stepped platform. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0026] Example 1:

[0027] This embodiment provides a proportional valve that is easy to disassemble and maintain, specifically as follows: Figures 1-4As shown, the device includes a mounting base 1 and a proportional valve 2 mounted on the mounting base 1. The proportional valve 2 includes a valve housing 201, on which a stepped platform 202 is provided. The mounting base 1 includes a base plate 101, which is detachably mounted on the device body 3. A base 105 is provided on the base plate 101, and a limit buckle mounting shaft 107 is provided on the base 105. Multiple limit buckles 106 are rotatably connected to the limit buckle mounting shaft 107. A control component is provided on the base 105, which is used to control the position of the limit buckles 106 to limit the stepped platform 202. The working principle and internal structure of the proportional valve 2 are easily known to those skilled in the art, and this solution does not involve any changes to the internal structure of the proportional valve 2, so they will not be described in detail here.

[0028] During installation, the base plate 101 is first installed on the equipment body 3, and then the valve housing 201 is placed on the base 105. At this time, the operator controls the limit buckle 106 to rotate. After the limit buckle 106 rotates, its end will press on the stepped platform 202. Since the limit buckle 106 limits the stepped platform 202, the valve housing 201 cannot be pulled out, thus achieving the limiting of the proportional valve 2.

[0029] By designing the limit buckle 106 to be concealed, the limit buckle 106 will not be accidentally touched during daily use of this device; and by using the limit buckle 106 to press down on the step platform 202, the proportional valve 2 will not be pulled up, making the limit more secure.

[0030] Example 2:

[0031] This embodiment further expands the control components based on the above embodiments, specifically as follows: Figures 2-4 As shown, the control assembly includes a push shaft 109 and a control shaft 108 slidably connected to the base 105. The control shaft 108 has two through holes, and multiple limit buckles 106 are inserted into the same through hole. The push shaft 109 is inserted into another through hole and has an inclined surface. A locking shaft 110 is detachably connected to the base 105, specifically by a threaded connection. The locking shaft 110 is used to abut against the push shaft 109.

[0032] When the limit buckle 106 needs to be moved, the operator turns the locking shaft 110. At this time, the locking shaft 110 squeezes the push shaft 109, and the push shaft 109 moves radially along the base 105. At this time, the push shaft 109 squeezes the control shaft 108 upward, and the control shaft 108 begins to rise. When the control shaft 108 rises, it pushes the ends of the two limit buckles 106, so that the other end of the limit buckle 106 begins to squeeze the stepped platform 202. When the stepped platform 202 is squeezed, the locking shaft 110 is inside the base 105 and will not be accidentally touched. When the operator turns the locking shaft 110 in the opposite direction, the locking shaft 110 no longer squeezes the push shaft 109. At this time, when the valve housing 201 is lifted, the stepped platform 202 will drive the limit buckle 106 to rotate in the opposite direction until the limit buckle 106 can no longer contact the stepped platform 202. At this time, the proportional valve 2 can be removed.

[0033] By setting up control components and utilizing the threaded connection between the locking shaft 110 and the base 105, the limit buckle 106 can always firmly press the stepped platform 202, ensuring the stability of the connection between the proportional valve 2 and the mounting base 1; and preventing the installation from becoming loose due to accidental contact.

[0034] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0035] Example 3:

[0036] This embodiment further extends the above embodiment, specifically as follows: Figures 4-5 As shown, a disassembly cover 111 is detachably connected to the limit buckle mounting shaft 107, specifically by a threaded connection, and a first spring 112 is provided between the disassembly cover 111 and the control shaft 108.

[0037] By setting the first spring 112, when the worker turns the locking shaft 110 so that the locking shaft 110 no longer presses against the push shaft 109, the compressed first spring 112 begins to recover, causing the control shaft 108 to move downward and push the push shaft 109. At this time, due to the downward movement of the control shaft 108, the limit buckle 106 also begins to rotate, no longer pressing against the stepped platform 202, and the valve housing 201 can be removed. Furthermore, due to the action of the first spring 112, when the proportional valve 2 is reinstalled, the limit buckle 106 will also make way for the valve housing 201, without causing interference. After the valve housing 201 is attached to the base 105, when the locking shaft 110 is turned, the first spring 112 is compressed, and the limit buckle 106 will begin to press against the stepped platform 202. The function of setting the first spring 112 is to facilitate the removal and installation of the valve housing 201.

[0038] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0039] Example 4:

[0040] This embodiment further extends the above embodiment, specifically as follows: Figures 4-5 As shown, a rubber pad 113 is provided in the through hole of the control shaft 108, and the rubber pad 113 is used to support the limit buckle 106.

[0041] The rubber pad 113 can deform. When the locking shaft 110 is tightened, the rubber pad 113 supports the limit buckle 106, so that one end of the limit buckle 106 presses on the stepped platform 202. At this time, the rubber pad 113 is in a slightly deformed state to prevent the limit buckle 106 from deforming and being damaged.

[0042] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0043] Example 5:

[0044] This embodiment further extends the above embodiment, specifically as follows: Figure 2 As shown, a second positioning pin 104 is provided between the base 105 and the valve housing 201.

[0045] By setting the second positioning pin 104, the base 105 and the valve housing 201 will not rotate relative to each other; in conjunction with the limit buckle 106 pressing on the stepped platform 202, the proportional valve 2 is completely fixed, and the limiting effect of the proportional valve 2 is strengthened; at the same time, the second positioning pin 104 also has a positioning function to ensure that the valve housing 201 and the base 105 are in a coaxial state.

[0046] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0047] Example 6:

[0048] This embodiment further extends the above embodiment, specifically as follows: Figure 2 As shown, a first positioning pin 103 is provided on the base plate 101. The base plate 101 and the base 105 are welded together. The positioning and guiding function of the first positioning pin 103 can ensure the accurate relative position of the base plate 101 and the base 105, and at the same time enhance the connection strength.

[0049] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0050] Example 7:

[0051] This embodiment further extends the above embodiment, specifically as follows: Figure 6As shown, it also includes a bolt assembly 102 and a washer 115. The washer 115 passes through the bolt assembly 102. The base plate 101 is provided with a mounting groove 116, which is a slot, allowing the bolt assembly 102 to move within the mounting groove 116 to accommodate pre-drilled holes of different spacing on the equipment body 3. The bolt assembly 102 passes through the mounting groove 116 and the pre-drilled holes on the equipment body 3 to fix the base plate 101 onto the equipment body 3. This configuration allows the mounting base 1 to be installed on the equipment body 3 in different scenarios.

[0052] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0053] Example 8:

[0054] This embodiment further extends the above embodiment, specifically as follows: Figure 6 As shown, a second spring 114 is provided between the gasket 115 and the bolt assembly 102. When the bolt assembly 102 is tightened, the second spring 114 is compressed, and the mounting base 1 can be stably installed on the equipment body 3. When the proportional valve 2 is impacted, the second spring 114 will be further compressed, and the base plate 101 can make a small displacement relative to the equipment body 3. The displacement provides cushioning and reduces the impact force on the proportional valve 2.

[0055] The other parts of this embodiment are the same as those in the above embodiments, and will not be described again.

[0056] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications or equivalent changes made to the above embodiments based on the technical essence of the present utility model shall fall within the protection scope of the present utility model.

Claims

1. A proportional valve that is easy to disassemble and maintain, comprising a mounting base (1) and a proportional valve (2) mounted on the mounting base (1), characterized in that: The proportional valve (2) includes a valve housing (201) on which a stepped platform (202) is provided; the mounting base (1) includes a base plate (101) on which the base plate (101) is detachably mounted on the equipment body (3); a base (105) is provided on the base plate (101), a limit buckle mounting shaft (107) is provided on the base (105), a plurality of limit buckles (106) are rotatably connected on the limit buckle mounting shaft (107), and a control component is provided on the base (105) for controlling the position of the limit buckles (106) to limit the stepped platform (202).

2. The proportional valve for easy disassembly and maintenance according to claim 1, characterized in that: The control assembly includes a push shaft (109) and a control shaft (108) slidably connected to the base (105). The control shaft (108) has two through holes, and multiple limit buckles (106) are inserted into the same through hole. The push shaft (109) is inserted into another through hole and has an inclined surface. A locking shaft (110) is detachably connected to the base (105) and is used to abut against the push shaft (109).

3. The proportional valve for easy disassembly and maintenance according to claim 2, characterized in that: A disassembly cover (111) is detachably connected to the limit buckle mounting shaft (107), and a first spring (112) is provided between the disassembly cover (111) and the control shaft (108).

4. A proportional valve that is easy to disassemble and maintain according to claim 2, characterized in that: A rubber pad (113) is provided in the through hole of the control shaft (108), and the rubber pad (113) is used to support the limit buckle (106).

5. A proportional valve that is easy to disassemble and maintain according to claim 2, characterized in that: A second positioning pin (104) is provided between the base (105) and the valve housing (201).

6. A proportional valve that is easy to disassemble and maintain according to claim 1, characterized in that: The base plate (101) is provided with a first positioning pin (103).

7. A proportional valve that is easy to disassemble and maintain according to any one of claims 1-6, characterized in that: It also includes a bolt assembly (102) and a washer (115). The washer (115) is inserted through the bolt assembly (102). The base plate (101) is provided with a mounting groove (116). The bolt assembly (102) passes through the mounting groove (116) and the reserved hole on the equipment body (3) to fix the base plate (101) on the equipment body (3).

8. A proportional valve for easy disassembly and maintenance according to claim 7, characterized in that: A second spring (114) is provided between the gasket (115) and the bolt assembly (102).

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