Impact-resistant electrical switch double-thread screw

Abstract

The utility model discloses an impact-resistant electrical switch double-thread screw which comprises a rod body, a connecting plate is arranged at the outer end of the rod body, the impact-resistant electrical switch double-thread screw further comprises a fastening wheel arranged on the outer side of a stamping-resistant assembly, and the stamping-resistant assembly comprises a buffer pad arranged on the outer side of the rod body. And the connecting sleeve is arranged outside the stamping-resistant assembly, and an armature block is arranged on the outer side of the first protective sleeve. According to the impact-resistant electrical switch double-thread screw, the impact-resistant assembly and the connecting plate are additionally arranged, so that the buffer sleeve and the buffer pad can relieve impact on the thread head, the vertical rod can slightly move in the connecting plate at the moment, and compared with a traditional technology, the impact-resistant electrical switch double-thread screw has the impact-resistant function, and meanwhile, the impact-resistant electrical switch double-thread screw is convenient to use. And the first protective sleeve and the second protective sleeve are additionally arranged, so that the threaded part of the double-thread screw of the electrical switch can be protected conveniently, and the situation that the threaded part is abraded when the double-thread screw of the electrical switch is not used is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical switches, in particular to an impact-resistant double-head screw rod for an electrical switch. Background Art

[0002] Stud screws, also called stud screws or stud bolts, are used to connect mechanical fixed links. Stud bolts have threads on both ends, and the middle screw is thick or thin. They are often used in some electrical switch equipment. The existing stud screws lack protective structures when they are actually used. When the stud screws are not in use, if they are directly exposed to the air, the threaded parts may be worn due to impact. At the same time, if they are not stamped during use, they are likely to break. Therefore, it is very important to design an impact-resistant stud screw for electrical switches, such as:

[0003] However, most of the existing technical solutions have the following defects: it is not convenient to realize the impact resistance function of the double-headed screw of the electrical switch, and it is not convenient to protect the threaded part of the double-headed screw of the electrical switch, and it is difficult to avoid wear of the threaded part of the double-headed screw of the electrical switch when not in use. Therefore, the utility model provides an impact-resistant double-headed screw of an electrical switch to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide an impact-resistant double-ended screw for an electrical switch, so as to solve the problem proposed in the above-mentioned background technology that it is not convenient to realize the impact-resistant function of the double-ended screw for the electrical switch, and at the same time, it is not convenient to protect the threaded part of the double-ended screw for the electrical switch, and it is difficult to avoid wear of the threaded part of the double-ended screw for the electrical switch when not in use.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an impact-resistant double-headed screw rod of an electrical switch, comprising a rod body, a connecting plate is arranged at the outer end of the rod body, and a stamping-resistant assembly is arranged on the outer side of the connecting plate, and also comprises a fastening wheel arranged on the outer side of the stamping-resistant assembly, the stamping-resistant assembly comprises a buffer pad arranged on the outer side of the rod body, a buffer sleeve is arranged on the outer side of the buffer pad, and a vertical rod is arranged inside the buffer sleeve;

[0006] A connecting sleeve is arranged on the outside of the stamping-resistant assembly, and a connecting plate is arranged on the outside of the connecting sleeve, a positioning plate is installed inside the connecting plate, and a threaded head is arranged on the outside of the connecting plate, a positioning block is arranged on the outside of the threaded head, and a positioning groove is opened inside the positioning block, a first protective sleeve is installed outside the positioning groove, and a second protective sleeve is installed on the front side of the first protective sleeve, a fixing block is arranged on the outside of the first protective sleeve, and a fixing bolt is connected to the inside of the fixing block.

[0007] Preferably, the connecting plate is disposed bilaterally symmetrically with respect to the center line of the rod body, and the connecting plate is relatively engaged and connected with the buffer sleeve.

[0008] Preferably, the vertical rod passes through the interior of the buffer sleeve and the connecting plate, and the vertical rod is threadedly connected to the fastening wheel, and the fastening wheel is symmetrically arranged up and down about the center line of the vertical rod.

[0009] Preferably, the connecting sleeve is relatively snap-fitted and connected to the connecting plate and the vertical rod, and the diameter of the connecting sleeve is larger than the diameter of the vertical rod.

[0010] Preferably, the positioning plate is snap-connected with the first protective sleeve and the second protective sleeve via positioning blocks, and the connecting plate is disposed symmetrically with respect to the center line of the positioning plate.

[0011] Preferably, the threaded head is relatively snap-fitted and connected to both the first protective sleeve and the second protective sleeve.

[0012] Preferably, the locking block is symmetrically arranged up and down about the center line of the first protective sleeve.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the impact-resistant double-headed screw of the electrical switch is equipped with a stamping-resistant assembly and a connecting plate, so that the buffer sleeve and the buffer pad can relieve the impact received by the thread head. At this time, the vertical rod can move slightly inside the connecting plate. Compared with the traditional technology, the utility model has the impact-resistant function of the double-headed screw of the electrical switch. At the same time, the first protective sleeve and the second protective sleeve are installed to protect the threaded part of the double-headed screw of the electrical switch, so as to avoid the wear of the threaded part of the double-headed screw of the electrical switch when not in use. The specific operation is as follows;

[0014] 1. It is equipped with a connecting plate and a stamping-resistant assembly. The impact on the threaded head can be alleviated by the buffer sleeve and the buffer pad. At this time, the vertical rod can move slightly inside the connecting plate, which is convenient for realizing the impact resistance function of the double-headed screw of the electrical switch;

[0015] 2. A tightening wheel and a connecting sleeve are provided. The connecting plate on the outside of the rod body is engaged with the buffer sleeve and the connecting sleeve, the vertical rod is passed through the connecting sleeve, the buffer sleeve and the connecting plate, and tightening wheels are screwed on the upper and lower ends of the vertical rod so that the inner side of the tightening wheel contacts the outer side of the connecting sleeve. The tightening wheel reinforces the connection between the connecting sleeve, the buffer sleeve and the connecting plate, making it easy to disassemble and replace the threaded part of the double-headed screw;

[0016] 3. A first protective cover and a second protective cover are provided, and the engaging block on the outside of the first protective cover and the engaging block on the outside of the second protective cover are connected by an engaging bolt. At this time, the thread head is protected in a cylindrical cavity composed of the first protective cover and the second protective cover, so as to protect the threaded part of the double-headed screw of the electrical switch and avoid wear of the threaded part of the double-headed screw of the electrical switch when not in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the overall explosion structure of the threaded head and the first protective sleeve connected to the utility model;

[0019] Figure 3 This is a front view structural diagram of the connection between the rod body and the buffer pad of the utility model;

[0020] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0021] In the figure: 1, rod body; 2, connecting plate; 3, stamping-resistant assembly; 301, buffer pad; 302, buffer sleeve; 303, vertical rod; 4, fastening wheel; 5, connecting sleeve; 6, connecting plate; 7, positioning plate; 8, threaded head; 9, positioning block; 10, positioning groove; 11, first protective sleeve; 12, second protective sleeve; 13, fixing block; 14, fixing bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 The utility model provides a technical solution: an impact-resistant double-headed screw rod of an electrical switch, comprising a rod body 1, a connecting plate 2 is arranged at the outer end of the rod body 1, and a stamping-resistant assembly 3 is arranged on the outer side of the connecting plate 2, and also comprises a fastening wheel 4 arranged on the outer side of the stamping-resistant assembly 3, the stamping-resistant assembly 3 comprises a buffer pad 301 arranged on the outer side of the rod body 1, and a buffer sleeve 302 is arranged on the outer side of the buffer pad 301, and a vertical rod 303 is arranged inside the buffer sleeve 302;

[0024] The connecting sleeve 5 is arranged on the outside of the stamping-resistant assembly 3, and a connecting plate 6 is arranged on the outside of the connecting sleeve 5, a positioning plate 7 is installed inside the connecting plate 6, and a threaded head 8 is arranged on the outside of the connecting plate 6, a positioning block 9 is arranged on the outside of the threaded head 8, and a positioning groove 10 is opened inside the positioning block 9, a first protective sleeve 11 is installed outside the positioning groove 10, and a second protective sleeve 12 is installed on the front side of the first protective sleeve 11, a fixing block 13 is arranged on the outside of the first protective sleeve 11, and a fixing bolt 14 is connected to the inside of the fixing block 13, which together constitute an impact-resistant double-headed screw for an electrical switch.

[0025] like Figure 1 , Figure 2 and Figure 3 As shown, the positioning plate 7 is snap-fitted with the first protective sleeve 11 and the second protective sleeve 12 through the positioning block 9, and the connecting plate 6 is symmetrically arranged about the center line of the positioning plate 7, the threaded head 8 is snap-fitted with the first protective sleeve 11 and the second protective sleeve 12, and the fixing block 13 is symmetrically arranged about the center line of the first protective sleeve 11, the rear side of the threaded head 8 is snap-fitted to the inside of the first protective sleeve 11, and the second protective sleeve 12 is placed on the front side of the first protective sleeve 11, so that the inside of the second protective sleeve 12 is snap-fitted with the front side of the threaded head 8, and the fixing bolt 14 inside the fixing block 13 is tightened, so that the fixing block 13 outside the first protective sleeve 11 and the fixing block 13 outside the second protective sleeve 12 are connected through the fixing bolt 14. At this time, the threaded head 8 is protected in the cylindrical cavity formed by the first protective sleeve 11 and the second protective sleeve 12, which is convenient for protecting the threaded part of the double-headed screw of the electrical switch to avoid wear of the threaded part of the double-headed screw of the electrical switch when not in use.

[0026] like Figure 1 , Figure 2 and Figure 4As shown, the connecting plate 2 is symmetrically arranged with respect to the center line of the rod body 1, and the connecting plate 2 is relatively engaged with the buffer sleeve 302, the vertical rod 303 passes through the buffer sleeve 302 and the interior of the connecting plate 2, and the vertical rod 303 is relatively threadedly connected with the fastening wheel 4, and the fastening wheel 4 is symmetrically arranged up and down with respect to the center line of the vertical rod 303, the connecting sleeve 5 is relatively engaged with the connecting plate 2 and the vertical rod 303, and the diameter of the connecting sleeve 5 is larger than the diameter of the vertical rod 303, the connecting plate 2 outside the rod body 1 is engaged with the buffer sleeve 302 and the connecting sleeve 5, the vertical rod 303 passes through the connecting sleeve 5, The inside of the buffer sleeve 302 and the connecting plate 2, and the tightening wheels 4 are screwed on the upper and lower ends of the vertical rod 303, so that the inner side of the tightening wheel 4 is in contact with the outer side of the connecting sleeve 5, and the tightening wheel 4 reinforces the connection between the connecting sleeve 5, the buffer sleeve 302 and the connecting plate 2. When the double-headed screw of the electrical switch is impacted by the outside, the buffer sleeve 302 and the buffer pad 301 can alleviate the impact received by the threaded head 8. At this time, the vertical rod 303 can move slightly inside the connecting plate 2, which is convenient for realizing the impact-resistant function of the double-headed screw of the electrical switch. This is the use method of the impact-resistant double-headed screw of the electrical switch.

[0027] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An impact-resistant double-ended screw rod for an electrical switch, comprising a rod body (1), a connecting plate (2) being arranged at the outer end of the rod body (1), and a stamping-resistant assembly (3) being arranged on the outer side of the connecting plate (2), characterized in that: It also includes a fastening wheel (4) arranged on the outside of the anti-punching assembly (3), wherein the anti-punching assembly (3) includes a buffer pad (301) arranged on the outside of the rod body (1), a buffer sleeve (302) is arranged on the outside of the buffer pad (301), and a vertical rod (303) is arranged inside the buffer sleeve (302); A connecting sleeve (5) is arranged on the outside of the stamping-resistant assembly (3), and a connecting plate (6) is arranged on the outside of the connecting sleeve (5), a positioning plate (7) is installed inside the connecting plate (6), and a threaded head (8) is arranged on the outside of the connecting plate (6), a positioning block (9) is arranged on the outside of the threaded head (8), and a positioning groove (10) is opened inside the positioning block (9), a first protective sleeve (11) is installed outside the positioning groove (10), and a second protective sleeve (12) is installed on the front side of the first protective sleeve (11), an engaging block (13) is arranged on the outside of the first protective sleeve (11), and an engaging bolt (14) is connected inside the engaging block (13).

2. The impact-resistant double-ended screw rod for an electrical switch according to claim 1, characterized in that: The connecting plate (2) is disposed symmetrically with respect to the center line of the rod body (1), and the connecting plate (2) is relatively engaged and connected with the buffer sleeve (302).

3. The impact-resistant double-ended screw rod for an electrical switch according to claim 1, characterized in that: The vertical rod (303) passes through the interior of the buffer sleeve (302) and the connecting plate (2), and the vertical rod (303) is threadedly connected to the fastening wheel (4), and the fastening wheel (4) is symmetrically arranged up and down about the center line of the vertical rod (303).

4. The impact-resistant double-start screw of an electrical switch according to claim 1, characterized in that: The connecting sleeve (5) is relatively engaged and connected with the connecting plate (2) and the vertical rod (303), and the diameter of the connecting sleeve (5) is larger than the diameter of the vertical rod (303).

5. The impact-resistant double-ended screw rod for an electrical switch according to claim 1, characterized in that: The positioning plate (7) is snap-connected with the first protective sleeve (11) and the second protective sleeve (12) via a positioning block (9), and the connecting plate (6) is disposed symmetrically with respect to the center line of the positioning plate (7).

6. The impact-resistant double-start screw for an electrical switch according to claim 1, characterized in that: The threaded head (8) is relatively snap-fitted and connected to the first protective sleeve (11) and the second protective sleeve (12).

7. The impact-resistant double-ended screw rod for an electrical switch according to claim 1, characterized in that: The locking block (13) is symmetrically arranged up and down about the center line of the first protective sleeve (11).

Images