Quick oil drainage device capable of being locked by manual opening and closing

Abstract

The utility model belongs to the field of switch design of a manual switch device with a locking function, and relates to a quick oil drainage device capable of being locked by manual opening and closing, which comprises a shell and a valve component, a blanking cap is arranged at one end of the shell, the other end of the shell is connected with a pipe joint, a rotating shaft is inserted and penetrates through the shell along the radial direction and can rotate in the shell, and a cam is sleeved on the rotating shaft. The rotating shaft rotates to drive the cam to rotate in the shell, a handle assembly is arranged at the end of the rotating shaft, a closing locking hole and an opening locking hole which are matched with the handle assembly are formed in the outer surface of the shell, the valve assembly comprises a valve, lugs are arranged at the two ends of the valve, pins penetrate through the lugs at the two ends of the valve, and the valve is rotationally connected with the supporting lugs of the shell. And a torsion spring is sleeved on the pin and is pressed on the valve assembly, so that the valve is reset and closed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of switch design of manual switch device with locking function, and relates to a quick oil drain device which can be locked when opened and closed. BACKGROUND

[0002] At present, manual switches are widely used in various systems of an airplane, and in most cases, the manual switch is used as a pipeline connecting piece, oil drain, etc., and its main function is to realize quick opening and closing through the manual switch. Therefore, opening speed and sealing performance after separation become important characteristics of the manual switch, which can directly reflect the operability and reliability of the manual switch. At present, for the oil drain switch, there are problems such as large operating force, manual holding for a long time, etc., thereby violating the use requirement of quick opening and closing of the oil drain switch. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem: the utility model provides a quick oil drain device which can be locked when opened and closed, the opening and closing form is quick opening and closing through manual rotation of a handle and locking through a spring latch, and the structure can realize quick opening or closing and self-locking holding after 90° rotation of the handle, thereby solving the problems such as large operating force, manual holding for a long time, etc. of the existing oil drain switch.

[0004] The technical scheme of the utility model

[0005] A quick oil drain device which can be locked when opened and closed comprises a shell 3 and a valve assembly 11, one end of the shell 3 is provided with a plug 1, the other end is connected with a pipe joint 8, a rotating shaft 5 is inserted into and penetrates through the shell 3 along the radial direction, can rotate in the shell 3, a cam 16 is sleeved on the rotating shaft 5, and the rotating shaft 5 can drive the cam to rotate in the shell 3, the end of the rotating shaft 5 is provided with a handle assembly, the outer surface of the shell 3 is provided with a closing locking hole and an opening locking hole matched with the handle assembly 4, the valve assembly 11 comprises a valve, and the valve is provided with ear pieces at both ends, the valve is rotationally connected with the supporting ear pieces of the shell through a pin 9 penetrating through the ear pieces at both ends of the valve, a torsional spring 10 is sleeved on the pin 9, and the torsional spring 10 is pressed on the valve assembly 11, so that the valve is reset and closed.

[0006] Further, a first movable seal 2 and a second movable seal 13 are arranged between the rotating shaft 5 and the shell 3, a fixed seal 6 is arranged between the shell 3 and the pipe joint 8, and an anti-loosening and dustproof seal 14 is arranged between the plug 1 and the shell 3.

[0007] Further, the shell 3 and the pipe joint 8 are connected through a screw 7.

[0008] Further, a first open pin 12 is arranged at the end of the rotating shaft 5 away from the handle assembly 4 to prevent falling off. Further, a first open pin 12 is arranged at the end of the rotating shaft 5 away from the handle assembly 4 to prevent falling off.

[0009] Further, the shaft section of the rotating shaft 5 inside the shell 3 is provided with a second anti-falling split pin 15.

[0010] Further, the handle assembly 11 comprises a nut 4-1, a locking pin 4-2, a handle 4-3, and a locking spring 4-4, the handle 4-3 is internally provided with a through hole, one end of the locking pin 4-2 is threadedly connected with the nut 4-1, the other end penetrates through the through hole and cooperates with the closing locking hole and the opening locking hole on the outer surface of the shell 3, the locking spring 4-4 is located in the through hole and sleeved on the locking pin 4-2, one end of the locking spring 4-4 is in contact with the inner wall at the top of the through hole, and the other end is in contact with the step on the locking pin 4-2.

[0011] Advantages

[0012] The utility model provides a kind of quick oil drain device that can be locked by hand opening and closing, and the opening and closing form is manually rotating handle, and the locking form is spring latch quick opening and closing manual switch, to solve the existing oil drain switch, there is larger operating force, long time hand holding etc. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the side view of the utility model;

[0015] Figure 3 It is the handle assembly structure principle drawing of the utility model;

[0016] Figure 4 It is the product initial locking position drawing;

[0017] Figure 5 It is the handle assembly position schematic drawing when product is located in initial locking position;

[0018] Figure 6 It is the handle assembly position schematic drawing when product is located in opening position;

[0019] Wherein, 1-plug cover; 2, first movable seal; 3-shell; 4-handle assembly; 5-rotating shaft; 6, fixed seal; 7-internal hexagonal cylindrical head screw; 8-tube joint; 9-pin; 10-torsional spring; 11-shutter assembly; 12, first split pin; 13, second movable seal; 14-lubrication-proof dustproof seal; 15-second split pin; 16-cam. DETAILED DESCRIPTION

[0020] The features and exemplary embodiments of the various aspects of the present application will be described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one of ordinary skill in the art that the present application can be practiced without some or all of these specific details. The description of the embodiments is merely intended to provide a better understanding of the present application. The present application is not limited to any particular detailed set of operating conditions and methods, but extends to any structural, method, device improvements, replacements and modifications that do not depart from the spirit of the present application. In the drawings and the following description, well-known structures and techniques have not been shown in order to avoid unnecessary obscurity of the present application.

[0021] It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict, and each embodiment can be referred to and cited by each other. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0022] As shown in the drawings, Figure 1 A quick oil draining device with both opening and closing lockable, comprising a housing 3 and a valve assembly 11, one end of the housing 3 is provided with a plug 1, the other end is connected with a pipe joint 8 through a screw 7, a rotating shaft 5 is inserted into and penetrates through the housing 3 along the radial direction and can rotate in the housing 3, a cam 16 is sleeved on the rotating shaft 5, the rotating shaft 5 can drive the cam to rotate in the housing 3, a handle assembly is arranged at the end of the rotating shaft 5, the outer surface of the housing 3 is provided with a closing locking hole and an opening locking hole matched with the handle assembly 4, the valve assembly 11 comprises a valve, ear pieces are arranged at both ends of the valve, the valve is rotationally connected with the supporting ear pieces of the housing through a pin 9 penetrating through the ear pieces at both ends of the valve, a torsional spring 10 is sleeved on the pin 9, and the torsional spring 10 is pressed on the valve assembly 11 to realize the reset closing of the valve.

[0023] In the utility model, first movable seal 2, second movable seal 13 are arranged between rotating shaft 5 and housing 3, fixed seal 6 is arranged between housing 3 and pipe joint 8, and anti-loosening and dustproof seal 14 is arranged between plug 1 and housing 3.

[0024] In the utility model, first open pin 12 that prevents falling off is arranged at the end of rotating shaft 5 away from handle assembly 4, and second open pin 15 that prevents falling off is arranged on the shaft section of rotating shaft 5 inside housing 3.

[0025] In the utility model, handle assembly 11 includes nut 4-1, locking pin 4-2, handle 4-3, locking spring 4-4, the handle 4-3 inside is provided with through-hole, locking pin 4-2 one end is connected with nut 4-1 thread, the other end passes through the through-hole, and is matched with the closing locking hole and the opening locking hole of the outer surface of shell 3, and locking spring 4-4 is located in the through-hole and is sleeved on locking pin 4-2, and locking spring 4-4 one end is in contact with the top inner wall of through-hole, and the other end is in contact with the step on locking pin 4-2.

[0026] Wherein, the rotation shaft 5 is matched with the shell 3, guaranteeing flexible rotation of the rotation shaft.

[0027] Wherein, the slope is designed on the plug cover 1, guaranteeing that the plug cover 1 can be rotated into position with the shell 3 and can be locked.

[0028] Wherein, the anti-loosening and dustproof seal 14 is matched with the plug cover 1 and the shell 3, preventing impurities from entering the inside of the device.

[0029] Wherein, the torsional spring 10 is matched with the valve assembly 11, guaranteeing reset and sealing of the valve assembly.

[0030] Wherein, the first movable seal 2, the fixed seal 6 and the second seal 13 play a sealing role, preventing internal oil leakage.

[0031] Wherein, the clearance fit is formed between the locking pin 2-2 and the handle 2-3, guaranteeing that the locking pin can move in the handle hole.

[0032] Wherein, the locking spring 4-2 is always in a compressed state, guaranteeing that the locking pin is always in a locked state when being opened or closed.

[0033] The utility model provides a quick oil discharge device structure that can be locked when being opened and closed manually, and the structure mainly has an opening stage and a closing stage.

[0034] Figure 1 For the closing stage, the locking pin is in the closing locking groove position, preventing the handle from rotating; the torsional spring 10 acts on the valve assembly 11, guaranteeing that the valve assembly 11 and the shell 3 form a seal; the plug cover 1, the sealing ring 14 and the shell 3 form a seal, preventing impurities from entering the inside of the product.

[0035] When needing to be opened, the nut 2-1 is pulled upward, the locking pin 2-2 is separated from the closing locking groove, the handle 2-3 is rotated counterclockwise, the rotation shaft 5 and the cam 16 are rotated, then the cam 16 pushes open the valve assembly 11, when the locking pin 2-2 reaches the opening locking groove position, the locking pin 2-2 is inserted into the opening locking groove under the action of the locking spring 2-4, the device is in the opening position, and system oil flows from the pipe joint end to the plug cover end, the cam 16 and the valve assembly 11 always maintain a contact state under the action of the locking pin 2-2.

[0036] When it is necessary to close, pull the nut 2-1 upward to make the locking pin 2-2 disengage from the opening locking groove, then rotate the handle 2-3 clockwise to make the locking pin 2-2 insert into the closing locking groove, and the valve assembly 11 is adhered to the shell 3 under the action of the torsion spring 10, the system oil circuit is cut off, and the seal is formed.

[0037] Finally, it should be noted that the above examples are only used to illustrate the technical solutions of the present application, but the protection scope of the present application is not limited thereto, and any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered within the protection scope of the present application.

Claims

1. A quick oil discharge device that can be locked manually opened and closed, characterized in that: It includes a shell and a valve assembly, a blocking cover is provided at one end of the shell, and the other end is connected to the pipe joint, the rotating shaft is radially inserted into and passes through the shell, and can rotate in the shell, a cam is sleeved on the rotating shaft, and the rotation of the rotating shaft can drive the cam to rotate in the shell, a handle assembly is provided at the end of the rotating shaft, and a closing locking hole and an opening locking hole cooperating with the handle assembly are provided on the outer surface of the shell, the valve assembly includes a valve, and ears are provided at both ends of the valve, and a pin is passed through the ears at both ends of the valve to rotatably connect the valve to the supporting ears of the shell, a torsion spring is sleeved on the pin, and the torsion spring presses on the valve assembly to realize the valve reset and closure.

2. The quick oil discharge device that can be locked manually opened and closed according to claim 1 is characterized in that: A first movable seal and a second movable seal are arranged between the rotating shaft and the shell, a fixed seal is arranged between the shell and the pipe joint, and an anti-loosening and dust-proof seal is arranged between the blocking cover and the shell.

3. The quick oil discharge device that can be locked manually opened and closed according to claim 1 is characterized in that: The shell and the pipe joint are connected by screws.

4. The quick oil discharge device that can be locked manually opened and closed according to claim 1 is characterized in that: A first cotter pin is provided at one end of the rotating shaft away from the handle assembly to prevent it from falling off.

5. The quick oil discharge device that can be locked manually opened and closed according to claim 4 is characterized in that: A second cotter pin for preventing from falling off is arranged on the shaft section of the rotating shaft located inside the shell.

6. The quick oil discharge device that can be locked manually opened and closed according to claim 1 is characterized in that: The handle assembly includes a nut, a locking pin, a handle, and a locking spring. A through hole is provided inside the handle. One end of the locking pin is threadedly connected to the nut, and the other end passes through the through hole and cooperates with the closed locking hole and the open locking hole on the outer surface of the shell. The locking spring is located in the through hole and is sleeved on the locking pin. One end of the locking spring contacts the inner wall of the top of the through hole, and the other end contacts the step on the locking pin.

Images