Box-type transformer oil level gauge convenient to use
By introducing an adjustable swing rod and float connecting rod structure into the box change oil level gauge, the problem of the floating connecting rod cannot be adjusted in the prior art is solved, and a wider range of application and convenient float replacement is achieved.
Patent Information
- Application Number
- CN202420885940.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-01-10
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The float connecting rod structure of the existing box oil level gauge is integrated, and the working position of the float cannot be adjusted according to the different containers to be tested, and the scope of application is narrow.
A structure including a swing rod, a float connecting rod, a hollow cylinder, a positioning rod and a spring is designed. The distance between the float and the oil level gauge body is adjusted by moving the sliding swing rod and the float connecting rod in the hollow cylinder, and the spring rebound force is used. Fixed positioning groove to realize the lateral position adjustment of the float.
The scope of application of the oil level gauge is expanded, which facilitates the adjustment of the float position according to different containers to be tested, and simplifies the process of floating ball replacement.
Smart Images
Figure CN222336481U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of oil level gauge related products, in particular to a box-type transformer oil level gauge which is convenient to use. Background Art
[0002] The oil level gauge is mainly composed of a display part, an alarm part, a transmission part, and a sensor part. The display part consists of a pointer and an indicator plate; the alarm part consists of a magnet (or cam) and a switch; the transmission part consists of a rocker, a reversing gear, and a magnetic coupler; the sensor part is a float, a floating ball, or an oil storage tank diaphragm. When the oil level in the oil storage tank rises or falls due to temperature or other reasons, the float of the oil level gauge rises or falls synchronously with the oil level, thereby driving the pointer to rotate and indicating the oil level. It has an internal position sensing device. When the pointer in the oil level gauge rises to the highest point or falls to the lowest point, it outputs a switch closure signal. When the pointer is in other positions, it outputs a circuit breaker signal.
[0003] However, the float connecting rod structure of the existing box-type oil level gauge is mostly an integrated structure, which cannot adjust the working position of the float according to the different containers to be measured, has a narrow application range and is defective. Utility Model Content
[0004] The utility model aims to provide a convenient-to-use box-variable oil level gauge to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a convenient-to-use box-variator oil level gauge, comprising an oil level gauge body, one end of the oil level gauge body is connected to a swing rod, one end of the swing rod is provided with a float connecting rod, one end of the float connecting rod is connected to a float, a hollow cylinder is provided between the swing rod and the float connecting rod, one end of the swing rod and the float connecting rod are both slidably inserted in the hollow cylinder, the tops of both ends of the hollow cylinder are fixedly connected to a cross plate, a positioning rod is slidably inserted on the cross plate, a plurality of positioning grooves corresponding to the positioning rod are provided on the swing rod and the float connecting rod, one end of the positioning rod is fixedly sleeved with a limiting sleeve, both ends of the limiting sleeve are fixedly connected to a spring between the cross plate, one end of the float connecting rod is fixedly connected to a connecting sleeve, one side of the float is fixedly connected to a combining rod, and the combining rod is connected in the connecting sleeve.
[0006] Preferably, one end of the rocker arm is connected to the pointer shaft of the oil level gauge body through a gear transmission mechanism arranged in the oil level gauge body.
[0007] Preferably, an inner wall of the connecting sleeve is provided with an internal thread, an outer wall of the combining rod is provided with an external thread, and the combining rod and the connecting sleeve are threadedly connected.
[0008] Preferably, both ends of the hollow cylinder are provided with through openings corresponding to the rocker rod and the float connecting rod, and sealing rings are fixedly connected in the through openings.
[0009] Preferably, a pull ring is fixedly connected to the top end of the positioning rod.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] The convenient box-type oil level gauge is characterized in that a swing rod and a float connecting rod are connected by a hollow cylinder. When the oil level in the oil storage tank rises or falls due to temperature or other reasons, the float rises or falls synchronously with the oil surface, thereby driving a pointer in the oil level gauge body to rotate and indicating the height of the oil level. The distance between the float and the oil level gauge body can be adjusted by sliding the swing rod and the float connecting rod in the hollow cylinder, and the lateral working position of the float can be adjusted to ensure a wide range of applications. After being adjusted to a suitable level, the rebound force of the spring can be used to prompt the limit sleeve to drive the positioning rod to slide on the cross plate, so that the rod is inserted into the positioning groove at the corresponding position to fix the position of the swing rod and the float connecting rod in the hollow cylinder. The utility model can adjust the float according to different containers to be measured through the provision of a length adjustment component, thereby ensuring a range of applications and facilitating the replacement of the float ball. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a structural schematic diagram of a convenient-to-use box-type oil level gauge of the utility model;
[0013] Figure 2 This is an enlarged view of the A position of a convenient-to-use box-type oil level gauge of the utility model;
[0014] Figure 3 This is an enlarged view of the B position of a convenient-to-use box-type oil level gauge of the utility model;
[0015] Figure 4 The utility model is a schematic diagram of the hollow cylinder of a convenient-to-use box-type oil level gauge.
[0016] In the figure: 1. Oil level gauge body; 2. Rocker arm; 3. Float connecting rod; 4. Float; 5. Hollow cylinder; 6. Horizontal plate; 7. Positioning rod; 8. Limit sleeve; 9. Spring; 10. Connecting sleeve; 11. Combining rod; 12. Sealing ring; 13. Pull ring. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0018] See also Figure 1-4The utility model provides an embodiment: a convenient-to-use box-type oil level gauge, comprising an oil level gauge body 1, one end of the oil level gauge body 1 is connected to a swing rod 2, one end of the swing rod 2 is provided with a float connecting rod 3, one end of the float connecting rod 3 is connected to a float 4, a hollow cylinder 5 is provided between the swing rod 2 and the float connecting rod 3, one end of the swing rod 2 and the float connecting rod 3 are both slidably inserted in the hollow cylinder 5, the tops of both ends of the hollow cylinder 5 are fixedly connected to a cross plate 6, a positioning rod 7 is slidably inserted on the cross plate 6, a plurality of positioning grooves corresponding to the positioning rod 7 are provided on the swing rod 2 and the float connecting rod 3, one end of the positioning rod 7 is fixedly sleeved with a limiting sleeve 8, and both ends of the limiting sleeve 8 are connected to the Springs 9 are fixedly connected between the transverse plates 6, one end of the float connecting rod 3 is fixedly connected to a connecting sleeve 10, one side of the float 4 is fixedly connected to a combining rod 11, and the combining rod 11 is connected to the connecting sleeve 10. Specifically, the sliding rocker arm 2 and the float connecting rod 3 move in the hollow cylinder 5 so as to adjust the distance between the float 4 and the oil level gauge body 1, and the lateral working position of the float 4 can be adjusted to ensure a wide range of applications. After being adjusted to a suitable level, the rebound force of the spring 9 can be used to prompt the limit sleeve 8 to drive the positioning rod 7 to slide on the transverse plate 6 so as to be inserted into the positioning groove at the corresponding position to achieve the fixing of the position of the rocker arm 2 and the float connecting rod 3 in the hollow cylinder 5.
[0019] In this embodiment, one end of the rocker arm 2 is connected to the pointer shaft of the oil level gauge body 1 through a gear transmission mechanism arranged in the oil level gauge body 1. When the oil level in the oil storage tank rises or falls due to temperature or other reasons, the float 4 rises or falls synchronously with the oil level, thereby driving the pointer in the oil level gauge body 1 to rotate; an internal thread is provided on the inner wall of the connecting sleeve 10, and an external thread is provided on the outer wall of the combining rod 11. The combining rod 11 and the connecting sleeve 10 are threadedly connected, which is convenient for disassembly and assembly of the float 4; both ends of the hollow cylinder 5 are provided with through openings corresponding to the rocker arm 2 and the float connecting rod 3, and a sealing ring 12 is fixedly connected in the through opening to increase the sealing effect of the two ends of the hollow cylinder 5; a pull ring 13 is fixedly connected to the top of the positioning rod 7 to facilitate pulling the positioning rod 7.
[0020] Working principle: First, the hollow cylinder 5 connects the swing rod 2 and the float connecting rod 3. When the oil level in the oil storage tank rises or falls due to temperature or other reasons, the float 4 rises or falls synchronously with the oil level, thereby driving the pointer in the oil level gauge body 1 to rotate, indicating the oil level. By sliding the swing rod 2 and the float connecting rod 3 in the hollow cylinder 5, the distance between the float 4 and the oil level gauge body 1 can be adjusted, and the lateral working position of the float 4 can be adjusted to ensure a wide range of applications. After adjusting to a suitable level, the rebound force of the spring 9 can be used to prompt the limit sleeve 8 to drive the positioning rod 7 to slide on the cross plate 6, thereby inserting it into the positioning groove at the corresponding position to fix the position of the swing rod 2 and the float connecting rod 3 in the hollow cylinder 5.
[0021] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
Claims
1. A convenient-to-use oil level gauge for a box-type transformer, comprising an oil level gauge body (1), characterized in that: One end of the oil level gauge body (1) is connected to a swing rod (2), one end of the swing rod (2) is provided with a float connecting rod (3), one end of the float connecting rod (3) is connected to a float (4), a hollow cylinder (5) is provided between the swing rod (2) and the float connecting rod (3), one end of the swing rod (2) and the float connecting rod (3) are both slidably inserted in the hollow cylinder (5), the tops of both ends of the hollow cylinder (5) are fixedly connected to a horizontal plate (6), and a positioning plate (6) is slidably inserted on the horizontal plate (6). The sway rod (2) and the float connecting rod (3) are provided with a plurality of positioning grooves corresponding to the positioning rod (7); one end of the positioning rod (7) is fixedly sleeved with a limiting sleeve (8); both ends of the limiting sleeve (8) and the cross plate (6) are fixedly connected with springs (9); one end of the float connecting rod (3) is fixedly connected with a connecting sleeve (10); one side of the float (4) is fixedly connected with a combining rod (11); and the combining rod (11) is connected in the connecting sleeve (10).
2. A convenient-to-use box-type oil level gauge according to claim 1, characterized in that: One end of the swing rod (2) is connected to the pointer shaft of the oil level gauge body (1) via a gear transmission mechanism arranged in the oil level gauge body (1).
3. The convenient-to-use oil level gauge for a box-type transformer according to claim 1 is characterized in that: An inner wall of the connecting sleeve (10) is provided with an internal thread, an outer wall of the connecting rod (11) is provided with an external thread, and the connecting rod (11) and the connecting sleeve (10) are threadedly connected.
4. The convenient-to-use oil level gauge for a box-type transformer according to claim 1 is characterized in that: Both ends of the hollow cylinder (5) are provided with through openings corresponding to the swing rod (2) and the float connecting rod (3), and a sealing ring (12) is fixedly connected in the through opening.
5. The convenient-to-use oil level gauge for a box-type transformer according to claim 1 is characterized in that: A pull ring (13) is fixedly connected to the top end of the positioning rod (7).