Insulating sheath for preventing plum blossom contact finger spring from falling off

Abstract

The utility model provides an insulating sheath for preventing a plum blossom contact finger spring from falling off, which belongs to the technical field of insulating sheaths, and comprises a rubber sleeve, a housing sleeved on the outer side of the rubber sleeve, and a fixing structure arranged at one end of the rubber sleeve, the fixing structure comprises a fixing base fixed to one end of the rubber sleeve, a plastic rack fixed to the bottom end of the fixing base, an installation shell installed at the other end of the rubber sleeve and a locking assembly fixed to the bottom end of the installation shell. According to the device, the strip-shaped rubber sleeve wraps the outer side of the spring, then the plastic rack is inserted into the mounting shell, the plastic rack is pulled to enable the two ends of the rubber sleeve to make contact with each other to form an annular structure, the rubber sleeve is mounted on the outer side of the spring, and therefore the function that the device is convenient to mount is achieved; the device can be conveniently and rapidly installed on the outer side of the plum blossom contact finger spring, meanwhile, the plum blossom contact finger spring is not prone to being damaged in the installation process, and the convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating sheaths, and particularly to an insulating sheath for preventing the shedding of a plum blossom finger spring. Background Art

[0002] The plum blossom finger spring has the advantages of small contact friction, small pressure, many contact points, small contact head wear, large current-carrying capacity, etc., which makes the finger spring widely used in electrical equipment. However, due to the influence of factors such as temperature, humidity, and vibration in the working environment on the performance of the plum blossom finger spring, it is easy to cause its shedding. Therefore, an insulating sheath for preventing the shedding of the plum blossom finger spring is established to prevent the plum blossom finger spring from shedding and ensure the safe operation of electrical equipment.

[0003] After retrieval, a patent with the Chinese patent application number 201721259311.5 discloses an insulating sheath for preventing the shedding of a plum blossom contact spring. The insulating sheath includes two clamping parts and a supporting part connecting the clamping parts. A detour part is also provided at the connection of the clamping part and the supporting part, and the radius of curvature of the detour part is smaller than the radius of curvature of the plum blossom contact spring; the insulating sheath is of an annular structure and is made of elastic insulating rubber. The insulating sheath for preventing the shedding of a plum blossom contact spring provided by the utility model combines the structural characteristics of the plum blossom contact spring, designs the insulating sheath as an annular structure with two semi-circular arcs, can be tightly wrapped on the contact spring, effectively avoids the grounding fault of the contact caused by the fracture, bounce and shedding of the contact spring; at the same time, it can prevent the contact spring from being damaged by external mechanical damage and plays a protective role for the spring; the insulating sheath structure provided by the utility model is simple, easy to install, and effectively improves the safety and reliability performance of the equipment;

[0004] The above patent still has the following deficiencies: (1) Since the device is usually of an annular structure, during the installation process, the device needs to be expanded and sleeved on the plum blossom finger spring, and its operation process is extremely inconvenient and requires the cooperation of tools. At the same time, the plum blossom finger spring is easily squeezed during the installation process, causing the plum blossom finger spring to be deformed by force;

[0005] (2) It is easy to generate slippage. Factors such as vibration and temperature change in the working environment can easily cause the plum blossom finger spring to loosen and then slip, affecting the normal use of the plum blossom finger spring.

[0006] Therefore, there is an urgent need for an insulating sheath for preventing the shedding of a plum blossom finger spring to solve the above problems. Summary of the Utility Model

[0007] The object of the present utility model is to address the problems existing currently, namely, the inconvenience in installation. Since the device is usually in a ring structure, during the installation process, it is necessary to expand the device and then sleeved on the plum blossom contact finger spring, which is extremely inconvenient in the operation process and requires the cooperation of tools. At the same time, during the installation process, it is easy to cause extrusion to the plum blossom contact finger spring, resulting in the force deformation of the plum blossom contact finger spring.

[0008] In order to achieve the above-mentioned invention object, the present utility model provides the following technical solutions:

[0009] An insulating sheath for preventing the plum blossom contact finger spring from falling off, including a rubber sleeve, and further including,

[0010] A housing, sleeved on the outer side of the rubber sleeve, and a positioning structure is provided on one side of the housing;

[0011] Connecting ribs, all fixed inside the rubber sleeve;

[0012] Partition walls, fixed inside the rubber sleeve,

[0013] Wrapping walls, fixed inside the rubber sleeve;

[0014] A fixing structure, provided at one end of the rubber sleeve, wherein the fixing structure includes a fixing seat fixed at one end of the rubber sleeve, a plastic rack fixed at the bottom end of the fixing seat, an installation shell installed at the other end of the rubber sleeve, and a locking assembly fixed at the bottom end of the installation shell.

[0015] As a preferred technical solution of the present application, the locking assembly includes a connecting piece fixed inside the bottom end of the installation shell, a tooth block fixed at the bottom end of the connecting piece and meshing with the plastic rack, and a push plate fixed on one side of the tooth block.

[0016] As a preferred technical solution of the present application, a sliding structure is formed between the plastic rack and the installation shell, and the installation shell is a bendable structure.

[0017] As a preferred technical solution of the present application, when the tooth block meshes with the plastic rack, the connecting piece is in a natural state.

[0018] As a preferred technical solution of the present application, the positioning structure includes a bolt groove fixed on one side of the housing, a connecting bolt inserted inside the bolt groove, a connecting rod fixed on one side of the bolt groove, and a rotating seat installed on one side of the connecting rod.

[0019] As a preferred technical solution of the present application, an external thread is provided on the outer side wall of the connecting bolt, and an internal thread matching with the external thread is provided inside the bolt groove.

[0020] Compared with the prior art, the beneficial effects of the present utility model are:

[0021] In the solution of the present application:

[0022] By wrapping a long rubber sleeve on the outside of the spring, and then inserting a plastic rack into the interior of the mounting shell, pulling the plastic rack so that the two ends of the rubber sleeve contact each other to form a ring structure, and installing the rubber sleeve on the outside of the spring, the device is easy to install, and the device is easy to quickly install on the outside of the plum blossom contact finger spring. At the same time, the plum blossom contact finger spring is not easily damaged during the installation process, thereby enhancing the convenience of the device;

[0023] The cover is installed on both sides of the connecting rod by connecting bolts and bolt grooves, the left and right groups of cover are aligned using a rotating seat, and then the cover is inserted into the outside of the rubber sleeve to press against the position of the rubber sleeve, thereby realizing the positioning function of this device, making it easy to fix the position between the plum blossom contact finger springs, so that the plum blossom contact finger springs are not easy to slip during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is one of the schematic diagrams of the structure of the utility model;

[0025] Figure 2 This is the second schematic diagram of the structure of the utility model;

[0026] Figure 3 Provided for this application Figure 2 A partial cross-section at the center is an enlarged structural diagram;

[0027] Figure 4 A schematic diagram of a three-dimensional cross-sectional structure of the positioning structure provided in this application;

[0028] Figure 5 This is a schematic diagram of the three-dimensional cross-sectional structure of the rubber sleeve provided in this application.

[0029] Markings in the figure: 1. Rubber sleeve; 2. Cover shell; 3. Positioning structure; 301. Connecting bolt; 302. Connecting rod; 303. Rotating seat; 304. Bolt groove; 4. Connecting rib; 5. Fixing structure; 501. Plastic rack; 502. Mounting shell; 503. Connecting piece; 504. Push plate; 505. Tooth block; 506. Fixing seat; 6. Wrapping wall; 7. Partition wall. DETAILED DESCRIPTION

[0030] To make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Example

[0031] like Figures 1-5As shown, the insulating sheath for preventing the spring of the plum blossom contact finger from falling off proposed in this embodiment includes a rubber sleeve 1, and also includes,

[0032] a housing 2 sleeved on the outside of the rubber sleeve 1, and a positioning structure 3 is provided on one side of the housing 2;

[0033] connecting ribs 4, all fixed inside the rubber sleeve 1;

[0034] a partition wall 7, fixed inside the rubber sleeve 1,

[0035] a wrapping wall 6, fixed inside the rubber sleeve 1;

[0036] a fixing structure 5 is provided at one end of the rubber sleeve 1, wherein the fixing structure 5 includes a fixing seat 506 fixed at one end of the rubber sleeve 1, a plastic rack 501 fixed at the bottom end of the fixing seat 506, a mounting shell 502 installed at the other end of the rubber sleeve 1, and a locking assembly fixed at the bottom end of the mounting shell 502.

[0037] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4 shown, as a preferred embodiment, on the basis of the above method, further, the locking assembly includes a connecting piece 503 fixed inside the bottom end of the mounting shell 502, a tooth block 505 fixed at the bottom end of the connecting piece 503 and meshing with the plastic rack 501, and a push plate 504 fixed on one side of the tooth block 505. A sliding structure is formed between the plastic rack 501 and the mounting shell 502, the mounting shell 502 is a bendable structure. When the tooth block 505 meshes with the plastic rack 501, the connecting piece 503 is in a natural state. By inserting the plastic rack 501 into the inside of the mounting shell 502, pulling the plastic rack 501 drives the two ends of the rubber sleeve 1 to move, so that the two ends of the rubber sleeve 1 contact each other to form an annular structure. At the same time, the tooth block 505 is used to clamp the inside of the plastic rack 501 to fix the shape of the rubber sleeve 1. By pushing the connecting piece 503 to bend through the push plate 504, the tooth block 505 can be driven to separate from the plastic rack 501, and the device can be disassembled.

[0038] As Figure 1 、 Figure 2 、 Figure 3 and Figure 4As shown, as a preferred embodiment, on the basis of the above method, the positioning structure 3 further includes a bolt groove 304 fixed on one side of the cover shell 2, a connecting bolt 301 inserted in the bolt groove 304, a connecting rod 302 fixed on one side of the bolt groove 304 and a rotating seat 303 installed on one side of the connecting rod 302, the outer wall of the connecting bolt 301 is provided with an external thread, and the interior of the bolt groove 304 is provided with an internal thread that cooperates with the external thread, by inserting the connecting bolt 301 into the bolt groove 304 and rotating the connecting bolt 301, the connecting rod 302 is connected and fixed to the cover shell 2, and the position of the cover shell 2 at both ends of the connecting rod 302 is rotated by the rotating seat 303 to align the left and right groups of cover shells 2, and by clamping the cover shell 2 into the outer side of the rubber sleeve 1 and pressing against the position of the rubber sleeve 1, the rubber sleeve 1 is not easy to slip and shake.

[0039] Specifically, when the insulating sheath to prevent the plum blossom contact finger spring from falling off is used: the rubber sheath 1 is wound around the outside of the plum blossom contact finger spring, so that the fixing structure 5 connects and fixes the two ends of the rubber sheath 1, and the rubber sheath 1 forms a ring structure to wrap and protect the plum blossom contact finger spring to prevent the plum blossom contact finger spring from falling off, and the partition wall 7 divides the space inside the rubber sheath 1, so that it is not easy to collide and rub between the two groups of plum blossom contact finger springs;

[0040] Insert the plastic rack 501 into the mounting shell 502, pull the plastic rack 501 to drive the two ends of the rubber sleeve 1 to move, so that the two ends of the rubber sleeve 1 contact each other to form a ring structure, and use the tooth block 505 to clamp the inside of the plastic rack 501 to fix the shape of the rubber sleeve 1. Push the connecting piece 503 to bend by the push plate 504, so that the tooth block 505 can be separated from the plastic rack 501, and the device can be disassembled;

[0041] By inserting the connecting bolt 301 into the bolt groove 304 and rotating the connecting bolt 301, the connecting rod 302 is connected and fixed to the cover shell 2, and then the position of the cover shell 2 at both ends of the connecting rod 302 is rotated through the rotating seat 303 to align the left and right groups of cover shells 2, and the cover shell 2 is clamped into the outer side of the rubber sleeve 1 to support the position of the rubber sleeve 1, so that the rubber sleeve 1 is not easy to slip and shake.

[0042] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although the present invention has been described in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the invention are included in the scope of the claims of the present invention.

Claims

1. An insulating sheath for preventing a plum blossom contact finger spring from falling off, comprising a rubber sheath (1), characterized in that: Also includes, A cover shell (2) is sleeved on the outside of the rubber sleeve (1), and a positioning structure (3) is provided on one side of the cover shell (2); A connecting rib (4) fixed inside the rubber sleeve (1); A partition wall (7) fixed inside the rubber sleeve (1); A wrapping wall (6) fixed inside the rubber sleeve (1); A fixing structure (5) is arranged at one end of the rubber sleeve (1), wherein the fixing structure (5) comprises a fixing seat (506) fixed to one end of the rubber sleeve (1), a plastic rack (501) fixed to the bottom end of the fixing seat (506), a mounting shell (502) mounted on the other end of the rubber sleeve (1), and a locking assembly fixed to the bottom end of the mounting shell (502).

2. The insulating sheath for preventing the plum blossom contact finger spring from falling off according to claim 1, characterized in that: The locking assembly comprises a connecting piece (503) fixed inside the bottom end of the mounting shell (502), a tooth block (505) fixed at the bottom end of the connecting piece (503) and meshing with the plastic rack (501), and a push plate (504) fixed at one side of the tooth block (505).

3. The insulating sheath for preventing the plum blossom contact finger spring from falling off according to claim 1, characterized in that: A sliding structure is formed between the plastic rack (501) and the mounting shell (502), and the mounting shell (502) is a bendable structure.

4. The insulating sheath for preventing the plum blossom contact finger spring from falling off according to claim 2, characterized in that: When the tooth block (505) is meshed with the plastic rack (501), the connecting piece (503) is in a natural state.

5. The insulating sheath for preventing the plum blossom contact finger spring from falling off according to claim 2, characterized in that: The positioning structure (3) comprises a bolt slot (304) fixed to one side of the housing (2), a connecting bolt (301) inserted into the bolt slot (304), a connecting rod (302) fixed to one side of the bolt slot (304), and a rotating seat (303) installed on one side of the connecting rod (302).

6. The insulating sheath for preventing the plum blossom contact finger spring from falling off according to claim 5, characterized in that: An external thread is provided on the outer wall of the connecting bolt (301), and an internal thread matching the external thread is provided inside the bolt groove (304).

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