Anti-drop structure of high-voltage switch nozzle
By using a connection method that combines barbs and slots at the high-voltage switch nozzle, the problem of insufficient fastening ability at the nozzle position in the existing technology is solved, a reliable connection of the nozzle is achieved, and the stability and anti-detachment effect of the equipment are improved.
Patent Information
- Application Number
- CN202520139572.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-21
AI Technical Summary
In existing high-voltage GIS equipment, the split structure at the circuit breaker nozzle has poor fastening capability, and the anti-loosening structure of the arc-shaped buckle is not reliable enough, posing a risk of falling off when the switch is operated multiple times.
It adopts a large nozzle and guide nozzle design, and uses a barbed structure to cooperate with the slot. It is connected by external and internal threads. The combination of the ring structure of the barb and the bevel design of the slot achieves a locking connection of the nozzle.
This improves the anti-detachment effect of the nozzle assembly, enhances the reliability and stability of the equipment, and avoids the risk of nozzle detachment.
Smart Images
Figure CN223828382U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to GIS equipment technical field, specifically point to a high pressure switch spout anti -drop structure. BACKGROUND
[0002] With the development of social economy, the demand for electricity is growing. In order to realize the transmission of larger capacity of electric energy, meet the demand of long distance power transmission and regional power balance, high voltage transmission technology emerges as the times require and develops unceasingly. High voltage transmission has the advantages of large transmission capacity, long distance, low loss, etc., and GIS as the key equipment in high voltage substation, has important role. The growth of power demand, the development of high voltage transmission technology, technological progress, policy support and the promotion of new energy and other factors jointly promote the development and application of high voltage GIS. The stability of the spout position of the circuit breaker as the core part of GIS product directly determines the quality reliability of the product, and at present, the spout position of the circuit breaker of GIS product adopts split structure, that is, the guide spout and the large spout are connected through threads, the threads of polytetrafluoroethylene material are soft, and the overall fastening capacity is poor, so it is necessary to increase the mechanical anti -drop structure, and at present, the anti -loose structures used by various companies are mostly in the form of circular arc buckles, and the anti -drop reliability of this structure is poor, and there is a risk of falling off after multiple actions of the switch. SUMMARY
[0003] The utility model provides a high pressure switch spout anti -drop structure in view of the deficiency of prior art.
[0004] The utility model discloses a high pressure switch spout anti -drop structure, including large spout and guide spout, the large spout end inserts guide spout, the outer ring of large spout is equipped with barb, the inner ring of guide spout is equipped with the slot of adaptation with barb, the outer ring of large spout is equipped with outer thread, the inner thread is equipped in guide spout.
[0005] As optimization, the inner hole of the large spout end is a tapered hole.
[0006] As optimization, the slot is an annular slot.
[0007] As optimization, the outer ring of the large spout is sequentially provided with an outer thread and an outer ring connecting portion from the end portion inward, the diameter of the outer ring connecting portion is greater than the diameter of the outer thread, and the barb is arranged on the outer ring connecting portion.
[0008] As optimization, a tool withdrawal groove is arranged between the outer thread and the outer ring connecting portion.
[0009] As optimization, the height of the barb is 0.2-1.5mm.
[0010] The utility model discloses a beneficial effect is: the utility model discloses a high -voltage switch spout anti -drop structure makes big spout and guide spout complete assembly, plays the role through the barb structure, locks up guide spout with big spout, realizes the anti -drop of spout assembly, simple structure, and the anti -drop effect is good, can effectively improve the reliability of equipment. BRIEF DESCRIPTION OF DRAWINGS
[0011] Figure 1 It is the utility model section schematic diagram;
[0012] Figure 2 It is the utility model Figure 1 A -part enlarged view;
[0013] Figure 3 It is the utility model Figure 2 Guide spout schematic diagram;
[0014] Figure 4 It is the utility model Figure 2 Big spout schematic diagram;
[0015] Figure 5 It is the utility model barb and the local enlarged view of slot;
[0016] The shown in the figure:
[0017] 1, big spout, 2, guide spout, 3, barb, 4, slot, 5, internal thread, 6, hole connecting portion, 7, external thread, 8, outer ring connecting portion, 9, tool withdrawal groove. DETAILED DESCRIPTION
[0018] To clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.
[0019] As Figures 1-5 The utility model discloses a high -voltage switch spout anti -drop structure, including big spout 1 and guide spout 2, the big spout 1 end insertion guide spout 2, and big spout 1 and guide spout 2 are all polytetrafluoroethylene material, have certain deformation ability. Big spout 1 is tubular structure, and guide spout 2 is also tubular structure.
[0020] As Figure 4 The utility model discloses a high -voltage switch spout anti -drop structure, including big spout 1 and guide spout 2, the big spout 1 end insertion guide spout 2, and big spout 1 and guide spout 2 are all polytetrafluoroethylene material, have certain deformation ability. Big spout 1 is tubular structure, and guide spout 2 is also tubular structure.
[0021] As Figure 3As shown, the inner ring of the guide nozzle 2 is sequentially provided with an inner hole connecting part 6 and an internal thread 5 from the end inward, the inner diameter of the inner hole connecting part 6 is equal to the diameter of the outer ring connecting part 8, and the internal thread 5 is matched with the external thread 7.
[0022] The outer ring of the large nozzle 1 is provided with a barb 3, and in the embodiment, the barb 3 is arranged on the outer ring connecting part 8. The barb 3 is in a ring structure, and the cross-sectional shape is as shown in Figure 5 As shown, the height of the barb 3 is d, and d is 0.2-1.5 mm. Since the large nozzle 1 and the guide nozzle 2 both have a certain deformation capacity, the barb 3 can enter the inner hole connecting part 6 by the deformation of the barb 3, the large nozzle 1 and the guide nozzle 2.
[0023] The inner ring of the guide nozzle 2 is provided with a clamping groove 4 matched with the barb 3, the clamping groove 4 is a ring groove matched with the ring-shaped barb 3, and the angle between the barb and the outer ring of the outer ring connecting part 8 is a, and a is 30°. In order to prevent the barb 3 from coming out, the clamping groove 4 is provided with an inclined surface matched with the barb 3, as shown in Figure 5 .
[0024] In order to facilitate the deformation of the end of the large nozzle 1 and facilitate the entry of the barb 3 into the inner hole connecting part 6, the inner hole of the end of the large nozzle 1 is a tapered hole, and the diameter gradually increases towards the end of the large nozzle 1, thereby reducing the thickness of the end of the large nozzle 1.
[0025] The use method of the utility model:
[0026] When connecting the large nozzle 1 and the guide nozzle 2, the end of the large nozzle 1 is inserted into the guide nozzle 2, and after the external thread 7 of the large nozzle 1 contacts the internal thread 5 of the guide nozzle 2, the large nozzle 1 or the guide nozzle 2 is rotated, and the insertion of the large nozzle 1 into the guide nozzle 2 is realized through the thread, and when the barb 3 contacts the guide nozzle 2, the rotation force is increased, the barb 3 is inserted into the guide nozzle 2, and enters the clamping groove 4 until it is prevented from coming out.
[0027] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model, and the preferred embodiments of the utility model are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.
Claims
1. A high-voltage switch nozzle anti-detachment structure, comprising a large nozzle (1) and a guide nozzle (2), wherein the end of the large nozzle (1) is inserted into the guide nozzle (2), characterized in that: The outer ring of the large nozzle (1) is provided with a barb (3), the inner ring of the guide nozzle (2) is provided with a groove (4) that matches the barb (3), the outer ring of the large nozzle (1) is provided with an external thread (7), and the inner ring of the guide nozzle (2) is provided with an internal thread (5).
2. The high-voltage switch nozzle anti-detachment structure according to claim 1, characterized in that: The inner hole at the end of the large nozzle (1) is a conical hole.
3. The high-voltage switch nozzle anti-detachment structure according to claim 1, characterized in that: The slot (4) is an annular groove.
4. The high-voltage switch nozzle anti-detachment structure according to claim 1, characterized in that: The outer ring of the large nozzle (1) is provided with an external thread (7) and an outer ring connecting part (8) from the end inward. The diameter of the outer ring connecting part (8) is larger than the diameter of the external thread (7), and the barb (3) is provided on the outer ring connecting part (8).
5. The high-voltage switch nozzle anti-detachment structure according to claim 4, characterized in that: A relief groove (9) is provided between the external thread (7) and the outer ring connection (8).
6. The high-voltage switch nozzle anti-detachment structure according to claim 1, characterized in that: The height of the barb (3) is 0.2-1.5mm.