Backstop with self-lubricating device
By setting up a flow limiting device and oil dripping port in the reverse stopper, the lubricant is dripped by itself during operation, which solves the problem of stopping the machine due to adding lubricant in the prior art, and improves production efficiency and self-lubricating of the equipment Effect.
Patent Information
- Application Number
- CN202420931042.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-30
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-04-30
AI Technical Summary
Existing counters can generate friction heat and roller wear when in use, and adding lubricant requires stopping the machine, resulting in reduced production speed and inefficiency.
A counter stopper with a self-lubricating device is designed. By setting up a flow limiting device, a chute, a vent and a conical oil drip port, the lubricating oil is dripped by itself during the machine operation, ensuring that the lubricating oil drips evenly and Slowly flow into the counter stop device to reduce friction.
It realizes automatic lubrication when the machine is running, reduces friction heat and roller wear, and improves production efficiency and equipment self-lubricating capabilities.
Smart Images
Figure CN222351228U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of backstops, in particular to a backstop with a self-lubricating device. Background Art
[0002] In order to prevent the inclined belt conveyor from reversing or sliding when it stops with load, a check or brake device is added according to the specific situation after calculating the braking torque. It is widely used in the fields of reducer matching, coking plant and transportation machinery, conveyor, hoist, electric roller and other mechanical equipment that require check requirements.
[0003] The existing backstop will generate a lot of heat and cause wear to the roller when it is in use due to friction during rotation, so lubricating oil is added to the roller to reduce the friction of the roller. However, when adding the lubricating oil, the machine must be stopped first, and then the machine must be started after the lubricating oil is added, which is more troublesome and will lead to a decrease in production speed and production efficiency. Utility Model Content
[0004] The utility model provides a check valve with a self-lubricating device, which can make the device play a check function by arranging the check valve, limit the flow of lubricating oil by arranging a cut-off block in the flow limiting device, and allow the lubricating oil to drip smoothly by arranging a slide groove, a vent and a conical oil dripping port, so that the lubricating oil is dripped when the machine is running to make it self-lubricated.
[0005] In order to achieve the above-mentioned purpose, a check valve with a self-lubricating device is provided. The check valve with a self-lubricating device comprises a shell, the upper surface of the shell is fixedly connected to an outer shell, a flow limiting device is arranged inside the outer shell, a connecting circular plate is arranged on the inner side of the shell, a check valve is arranged on the annular outer surface of the connecting circular plate, a mounting groove is provided at the center position of the connecting circular plate, a mounting block is fixedly connected to the upper surface of the outer shell, a hole is arranged on the upper surface of the mounting block, a thread is arranged on the inner surface of the hole, and a handle is arranged on the front surface of the outer shell. The flow limiting device is arranged to facilitate the uniform dripping of the lubricating oil, the check valve is arranged to facilitate the check of the machine, the thread is arranged to facilitate the installation of an external oil drum, and the handle is arranged to facilitate the pulling of the flow limiting device.
[0006] According to the backstop with a self-lubricating device, the current limiting device includes a cut-off block, a sliding rod, a spring, a chute, a vent, and a conical oil drop port. The chute is provided on the inner surface of the shell, and the conical oil drop port is provided on the inner surface of the shell near the lower end of the chute. The chute is provided to facilitate the storage of part of the lubricating oil, and the conical oil drop port is provided to facilitate the slow dripping of the lubricating oil.
[0007] According to the backstop with a self-lubricating device, the vent hole is provided on the inner surface of the shell, the lower end of the vent hole is connected to the chute, and the upper end of the vent hole is provided on the upper surface of the shell. The vent hole is provided to facilitate the slow dripping of the lubricating oil in the chute.
[0008] According to the backstop with a self-lubricating device, the cut-off block is slidably connected to the inner surface of the shell, the rear end of the sliding rod is fixedly connected to the front surface of the cut-off block, and the rear end of the sliding rod penetrates the shell and is fixedly connected to the rear surface of the handle. The cut-off block is provided to facilitate the cut-off of the lubricating oil, and the sliding rod is provided to facilitate pulling the cut-off block.
[0009] According to the backstop with a self-lubricating device, the spring is sleeved on the annular surface of the sliding rod, the rear end of the spring is fixedly connected to the front surface of the cut-off block, the rear end of the spring is fixedly connected to the inner surface of the shell, and the lower end of the conical oil droplet passes through the inner surface of the shell. The spring is provided to facilitate the reset of the cut-off block.
[0010] According to the backstop with self-lubricating device, the backstop device comprises a backstop block and a rotating roller, a groove is provided on the annular surface of the connecting circular plate, and a first short rod is fixedly connected to the front and rear surfaces of the rotating roller. The first short rod is provided to facilitate the installation of the rotating roller.
[0011] According to the backstop with a self-lubricating device, the rotating roller is rotatably connected to the inner surface of the groove through a first short rod, and the front and rear surfaces of the backstop block are provided with a second short rod, and the backstop block is movably connected to the inner surface of the groove through the second short rod. The purpose of providing the second short rod is to facilitate the installation of the backstop block.
[0012] The beneficial effects of the utility model include: providing a check device to enable the device to function as a check device, providing a cut-off block in the flow limiting device to limit the flow of lubricating oil, providing a slide groove, a vent and a conical oil dripping port to allow the lubricating oil to drip smoothly, and dripping the lubricating oil when the machine is running to enable it to lubricate itself.
[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] The utility model is further described below in conjunction with the accompanying drawings and embodiments;
[0015] Figure 1 This is a schematic diagram of the overall structure of a backstop with a self-lubricating device according to the utility model;
[0016] Figure 2 This is a schematic diagram of the internal structure of a backstop with a self-lubricating device of the utility model and a schematic diagram of the overall structure;
[0017] Figure 3 This is a schematic diagram of the structure of a current limiting device of a backstop with a self-lubricating device of the utility model;
[0018] Figure 4 The utility model is a backstop device diagram of a backstop with a self-lubricating device.
[0019] Legend:
[0020] 1. Shell; 2. Connecting circular plate; 3. Mounting groove; 4. Outer shell; 5. Current limiting device; 501. Cut-off block; 502. Sliding rod; 503. Spring; 504. Slide groove; 505. Air vent; 506. Conical oil drip port; 6. Check device; 601. Check block; 602. Rotating roller; 7. Mounting block; 8. Handle. DETAILED DESCRIPTION
[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.
[0022] Reference Figures 1 to 4 The utility model embodiment is a check valve with a self-lubricating device, which includes a shell 1, an outer shell 4 is fixedly connected to the upper surface of the shell 1, a flow limiting device 5 is arranged inside the shell 4, a connecting circular plate 2 is arranged on the inner side of the shell 1, a check device 6 is arranged on the annular outer surface of the connecting circular plate 2, a mounting groove 3 is provided at the center position of the connecting circular plate 2, a mounting block 7 is fixedly connected to the upper surface of the shell 4, a hole is arranged on the upper surface of the mounting block 7, a thread is arranged on the inner surface of the hole, a handle 8 is arranged on the front side surface of the shell 4, and the shell 1 can be connected to the machine by bolts for use.
[0023] The flow limiting device 5 includes a cut-off block 501, a sliding rod 502, a spring 503, a slide groove 504, a vent 505, and a conical oil drop port 506. The slide groove 504 is provided on the inner surface of the housing 4, the conical oil drop port 506 is provided on the inner surface of the housing 4 near the lower end of the slide groove 504, the vent 505 is provided on the inner surface of the housing 4, the lower end of the vent 505 is connected to the slide groove 504, the upper end of the vent 505 is provided on the upper surface of the housing 4, the cut-off block 501 is slidably connected to the inner surface of the housing 4, and the cut-off block 501 is slidably connected to the inner surface of the housing 4. The rear end of the sliding rod 502 is fixedly connected to the front surface of the cut-off block 501, the rear end of the sliding rod 502 passes through the shell 4 and is fixedly connected to the rear surface of the handle 8, the spring 503 is sleeved on the annular surface of the sliding rod 502, the rear end of the spring 503 is fixedly connected to the front surface of the cut-off block 501, the rear end of the spring 503 is fixedly connected to the inner surface of the shell 4, the lower end of the conical oil drip port 506 passes through the inner surface of the shell 1, and the vent hole 505 is high and will not cause leakage of lubricating oil during use.
[0024] The check device 6 includes a check block 601 and a rotating roller 602. A groove is provided on the annular surface of the connecting circular plate 2. A first short rod is fixedly connected to the front and rear surfaces of the rotating roller 602. The rotating roller 602 is rotatably connected to the inner surface of the groove through the first short rod. A second short rod is provided on the front and rear surfaces of the check block 601. The check block 601 is movably connected to the inner surface of the groove through the second short rod. The shape of the check block 601 is the structure in the existing check device.
[0025] Working principle: The check valve is installed on the machine for use. When lubricating oil needs to be added to the check device 6, pull the handle 8, the handle 8 drives the sliding rod 502 to move backward, and the sliding rod 502 drives the stop block 501 to move backward. An external oil barrel is installed in the mounting block 7, and the lubricating oil flows downward due to its own gravity and flows into the slide groove 504. At this time, release the handle 8, and the cut-off block 501 returns to its original position under the action of the spring 503. The lubricating oil in the slide groove 504 slowly flows into the check device 6 through the conical oil drip port 506. Because of the existence of the air vent 505, external air is introduced, causing the lubricating oil in the slide groove 504 to slowly flow into the check device 6. At the same time, the connecting circular plate 2 continues to rotate, and the check block 601 and the rotating roller 602 in the check device 6 will be dripped with lubricating oil for lubrication.
[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.
Claims
1. A backstop with a self-lubricating device, characterized in that: The invention comprises a shell (1), the upper surface of the shell (1) is fixedly connected to an outer shell (4), a flow limiting device (5) is arranged inside the outer shell (4), a connecting circular plate (2) is arranged on the inner side of the shell (1), a non-return device (6) is arranged on the annular outer surface of the connecting circular plate (2), a mounting groove (3) is arranged at the center position of the connecting circular plate (2), a mounting block (7) is fixedly connected to the upper surface of the outer shell (4), a hole is arranged on the upper surface of the mounting block (7), a thread is arranged on the inner surface of the hole, and a handle (8) is arranged on the front surface of the outer shell (4).
2. A backstop with a self-lubricating device according to claim 1, characterized in that: The flow limiting device (5) comprises a cut-off block (501), a sliding rod (502), a spring (503), a slide groove (504), a vent hole (505), and a conical oil dripping port (506); the slide groove (504) is provided on the inner surface of the housing (4); and the conical oil dripping port (506) is provided on the inner surface of the housing (4) near the lower end of the slide groove (504).
3. A backstop with a self-lubricating device according to claim 2, characterized in that: The vent hole (505) is provided on the inner surface of the outer shell (4), the lower end of the vent hole (505) is communicated with the slide groove (504), and the upper end of the vent hole (505) is provided on the upper surface of the outer shell (4).
4. The backstop with a self-lubricating device according to claim 2, characterized in that: The cut-off block (501) is slidably connected to the inner surface of the housing (4), the rear end of the sliding rod (502) is fixedly connected to the front surface of the cut-off block (501), and the rear end of the sliding rod (502) passes through the housing (4) and is fixedly connected to the rear surface of the handle (8).
5. The backstop with a self-lubricating device according to claim 2, characterized in that: The spring (503) is sleeved on the annular surface of the sliding rod (502), the rear end of the spring (503) is fixedly connected to the front surface of the stop block (501), the rear end of the spring (503) is fixedly connected to the inner surface of the housing (4), and the lower end of the conical oil drip port (506) passes through the inner surface of the housing (1).
6. The backstop with a self-lubricating device according to claim 1, characterized in that: The non-return device (6) comprises a non-return block (601) and a rotating roller (602); a groove is provided on the annular surface of the connecting circular plate (2); and a first short rod is fixedly connected to the front and rear surfaces of the rotating roller (602).
7. The backstop with a self-lubricating device according to claim 6, characterized in that: The rotating roller (602) is rotatably connected to the inner surface of the groove via a first short rod, and a second short rod is provided on the front and rear surfaces of the check block (601), and the check block (601) is movably connected to the inner surface of the groove via the second short rod.