Sealed fuse holder

Abstract

The utility model belongs to the technical field of fuses, and particularly relates to a sealed fuse holder. The device comprises a base, a sealing cover and two connecting pieces. The base is provided with a connecting piece fixing beam, a connecting piece supporting beam, a sealing cover inner clamping groove and a sealing cover outer clamping groove. The connecting piece is provided with a fixed beam sleeving ring, and the sealing cover is provided with an outer clamping plate and an inner clamping plate. The connecting piece is fastened on the base through the matching among the sleeving ring, the fixing beam and the supporting beam; and the sealing cover is fastened on the base through the matching among the inner and outer clamping plates and the inner and outer clamping grooves. According to the sealed fuse holder provided by the invention, the reliability of connection between the base and the connecting piece and between the base and the sealing cover can be improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of fuse, and particularly relates to a sealed fuse holder. BACKGROUND

[0002] The fuse holder is a special electronic component for fixing a fuse tube. The existing fuse holder generally comprises a base and two conductor connecting pieces fixedly assembled on the base; the fuse tube is installed between the two conductor connecting pieces and connects the fuse holder to a circuit through the pins of the connecting pieces. The existing problems are that the connecting pieces are prone to loosening when the fuse holder is installed and dismounted, and the dustproof function of the fuse holder is insufficient. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the application provides a sealed fuse holder to solve all or part of the technical problems described in the background.

[0004] The innovative idea of the application is to improve the mounting and fixing structure between the base and the connecting pieces and increase the dustproof function of the sealed fuse holder.

[0005] To solve the technical problems, the application provides the following solutions.

[0006] The sealed fuse holder comprises a base, a connecting piece accommodating cavity and a connecting piece fixing beam arranged on the base, and the connecting piece fixing beam is arranged in the connecting piece accommodating cavity.

[0007] Preferably, a connecting piece supporting beam is further arranged on the base; the connecting piece supporting beam is arranged in the connecting piece accommodating cavity and below the connecting piece fixing beam.

[0008] The connecting piece is suspended and clamped in the accommodating cavity through the cooperation of the fixing beam, the supporting beam and the corresponding structure on the connecting piece.

[0009] Preferably, a connecting piece clamping groove and a sealing cover outer clamping groove are arranged on the connecting piece fixing beam; the connecting piece clamping groove is located at the bottom of the connecting piece fixing beam, and the sealing cover outer clamping groove is located at the outer end of the connecting piece fixing beam.

[0010] The connecting piece clamping groove is used for cooperating with the clamping head of the corresponding part on the connecting piece to increase the fastening degree of the connection. The sealing cover outer clamping groove is used for cooperating with the outer clamping head on the outer clamping plate of the sealing cover to fix the outer side of the sealing cover.

[0011] Preferably, the number of the connecting piece accommodating cavities and the connecting piece fixing beams is two; a guide hole is arranged at the middle part of the two connecting piece accommodating cavities. The guide hole is used for the installation guide of the sealed fuse holder.

[0012] Preferably, a heat dissipation groove is arranged at the middle part of the two connecting piece accommodating cavities, and the guide hole is arranged on the groove bottom of the heat dissipation groove.

[0013] Preferably, the inner walls of the two sides of the heat dissipation groove are provided with inner sealing cover clamping grooves.

[0014] The inner sealing cover clamping grooves are used to fix the inner side of the sealing cover by cooperating with the inner clamping plates on the sealing cover.

[0015] Preferably, the sealing fuse holder further comprises a connecting piece; the connecting piece comprises a tube body accommodating ring, a fixed beam sleeve joint ring, and a pin portion; the fixed beam sleeve joint ring is arranged on the connecting piece fixed beam, the tube body accommodating ring extends out of the connecting piece accommodating cavity, and the pin portion is located at the end opening position of the connecting piece accommodating cavity and partially extends out of the connecting piece accommodating cavity.

[0016] The tube body accommodating ring is used to install and fix the fuse tube, the fixed beam sleeve joint ring is used to fix the connecting piece by cooperating with the connecting piece fixed beam on the base, and the pin portion is used to connect the fuse holder to the circuit.

[0017] Preferably, the fixed beam sleeve joint ring is provided with a fixed beam clamping joint.

[0018] The fixed beam clamping joint is used to increase the stability of the assembly of the connecting piece by cooperating with the connecting piece clamping groove on the fixed beam.

[0019] Preferably, the tube body accommodating ring comprises a first clamping ring, a second clamping ring, and a limiting portion; the first clamping ring and the second clamping ring are provided with a clamping interface and a clamping position, and the limiting portion is arranged at the end of the first clamping ring and the second clamping ring.

[0020] Preferably, the sealing fuse holder further comprises a sealing cover; the sealing cover is provided with an outer clamping plate and an inner clamping plate, and the outer clamping plate is provided with an outer clamping head.

[0021] The outer clamping plate and the inner clamping plate are respectively connected to the base from the outside and the inside of the base; after assembly, the outer clamping head on the outer clamping plate is embedded in the outer clamping groove of the sealing cover, and the inner clamping plate is embedded in the inner clamping groove of the sealing cover.

[0022] Beneficial technical effects:

[0023] 1. Base and connecting piece. The base of the sealing fuse holder disclosed in the application is provided with a connecting piece fixed beam and a connecting piece support beam, the fixed beam is provided with a connecting piece clamping groove, the connecting piece is provided with a fixed beam sleeve joint ring, and the fixed beam sleeve joint ring is provided with a fixed beam clamping joint. The connecting piece fixed beam is assembled in the fixed beam sleeve joint ring and clamped by the connecting piece support beam, and the fixed beam clamping joint and the connecting piece clamping groove are matched to increase the reliability of the connection.

[0024] 2, base and sealing cover. The base of the sealed fuse holder disclosed in the application is provided with an inner clamping groove and an outer clamping groove of the sealing cover, the sealing cover is provided with an outer clamping plate and an inner clamping plate, and the outer clamping plate is provided with an outer clamping head. The outer clamping plate and the inner clamping plate are respectively arranged on the base from the outside and the inside of the base, the inner clamping plate is embedded in the inner clamping groove of the sealing cover, and the outer clamping head is embedded in the outer clamping groove of the sealing cover. Fixing the sealing cover from the inside and the outside of the base helps to improve the stability of the sealing cover.

[0025] The technical scheme and technical effects of the application are described in detail in combination with the drawings and specific embodiments of the application. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 : Perspective view of integrated fuse holder structure;

[0027] Figure 2 : Schematic view of conductive connecting piece structure;

[0028] Figure 3 : Schematic view of fuse tube structure;

[0029] Figure 4 : Side view of base and connecting piece assembly;

[0030] Figure 5 : Front view of base and connecting piece assembly;

[0031] : Schematic view of base and connecting piece assembly;

[0032] 10-Base, 20-Connecting piece, 30-Sealing cover;

[0033] 110-Connecting piece accommodating cavity, 120-Connecting piece fixing beam, 130-Connecting piece supporting beam, 140-Guide hole, 150-Radiating groove;

[0034] 1210-Connecting piece clamping groove, 1220-Sealing cover outer clamping groove;

[0035] 1510-Sealing cover inner clamping groove;

[0036] 210-Tube body accommodating ring, 220-Fixing beam sleeve joint ring, 230-Lead part, 240-Fixing beam clamping head;

[0037] 2110-First clamping ring, 2120-Second clamping ring, 2130-Limiting part, 2140-Clamping interface, 2150-Clamping position;

[0038] 2210-Horizontal bottom plate, 2220-Left vertical plate, 2230-Left inclined plate, 2240-Right vertical plate, 2250-Right inclined plate;

[0039] 310-Outer clamping plate, 320-Inner clamping plate, 330-Bottom cover plate;

[0040] 3110-outer card head. DETAILED DESCRIPTION

[0041] Please refer to Figures 1 to 5 The sealed fuse holder provided by the application comprises a base 10, a sealing cover 30 and two connecting pieces 20.

[0042] The base 10 is provided with a connecting piece accommodating cavity 110, a connecting piece fixing beam 120 and a connecting piece supporting beam 130; the connecting piece fixing beam 120 and the connecting piece supporting beam 130 are arranged in the connecting piece accommodating cavity 110; and the connecting piece supporting beam 130 is located below the connecting piece fixing beam 120.

[0043] The connecting piece accommodating cavity 110 penetrates the base 10 from top to bottom, and the connecting piece fixing beam 120 and the connecting piece supporting beam 130 both extend along the lateral direction of the base 10. The connecting piece 20 is clamped between the bottom of the connecting piece fixing beam 120 and the upper part of the connecting piece supporting beam 130.

[0044] The connecting piece fixing beam 120 is provided with a connecting piece clamping groove 1210 and a sealing cover outer clamping groove 1220; the connecting piece clamping groove 1210 is located at the bottom of the connecting piece fixing beam 120, and the sealing cover outer clamping groove 1220 is located at the outer end of the connecting piece fixing beam 120.

[0045] The number of the connecting piece accommodating cavity 110, the connecting piece fixing beam 120 and the connecting piece supporting beam 130 is two; the middle part of the two connecting piece accommodating cavities 110 is provided with a heat dissipation groove 150, and the groove bottom of the heat dissipation groove 150 is provided with a guide hole 140. The inner walls on both sides of the heat dissipation groove 150 are provided with a sealing cover inner clamping groove 1510.

[0046] The material of the connecting piece 20 is a conductor metal. The connecting piece 20 is provided with a pipe body accommodating ring 210, a fixing beam sleeve connecting ring 220 and a pin portion 230. The pipe body accommodating ring 210 is arranged on the fixing beam sleeve connecting ring 220, and the side edge part of the fixing beam sleeve connecting ring 220 is vertically downwardly formed into the pin portion.

[0047] The pipe body accommodating ring 210 comprises a first clamping ring 2110, a second clamping ring 2120 and a limiting portion 2130; a clamping interface 2130 and a clamping position 2140 are arranged between the first clamping ring 2110 and the second clamping ring 2120; and the limiting portion 2130 is arranged at the end of the first clamping ring 2110 and the second clamping ring 2120.

[0048] The fixed beam sleeve ring 220 has a cross-sectional shape and structural size that matches the connecting piece fixed beam 130. It includes a horizontal bottom plate 2210, a left vertical plate 2220, a left inclined plate 2230, a right vertical plate 2240, and a right inclined plate 2250. The horizontal bottom plate 2210, the left vertical plate 2220, the left inclined plate 2230, the right vertical plate 2240, and the right inclined plate 2250 are integrally formed to enclose a ring structure for accommodating the connecting piece fixed beam 130, and the horizontal bottom plate 2210 is provided with a fixed beam clamping head 240. The extension direction of the pin portion 230 is perpendicular to the horizontal bottom plate 2210.

[0049] The sealing cover 30 has a shape, position, and size that matches the base 10. The sealing cover 30 includes an outer clamping plate 310, an inner clamping plate 320, and a bottom cover plate 330. The outer clamping plate 310 and the inner clamping plate 320 are both two in number and symmetrically arranged on the bottom cover plate 330. The outer clamping plate 310 is provided with an outer clamping head 3110.

[0050] Connection and effect description:

[0051] Please refer to Figure 4 and Figure 5 , the fixed beam sleeve ring 220 is fixedly sleeved on the connecting piece fixed beam 120, the horizontal bottom plate 2210 is clamped between the connecting piece fixed beam 120 and the connecting piece support beam 130, and the fixed beam clamping head 240 is embedded in the connecting piece clamping groove 1210 on the connecting piece fixed beam 120. The fixing effect of the fixed beam, the clamping effect of the support beam, and the limiting effect of the clamping head and the clamping groove help to increase the reliability of the connection between the connecting piece and the base.

[0052] The two outer clamping plates 310 of the sealing cover 30 are clamped to the outer end faces of the connecting piece fixed beams 120 at both ends of the base 10, and the outer clamping head 3110 is embedded in the sealing cover outer clamping groove 1220 on the connecting piece fixed beam 120; at the same time, the two inner clamping plates 320 of the sealing cover 30 enter the sealing cover inner clamping groove 1510. The sealing cover 30 is installed and fixed from the inside and outside of the base 10, and the cooperation of the outer clamping head 3110 and the sealing cover outer clamping groove 1220 helps to improve the stability of the sealing cover.

[0053] The above description of the technical solutions and technical effects of the present application in combination with the drawings and specific embodiments should be noted that the skilled in the art can also develop other embodiments on this basis; any simple modification and equivalent replacement without departing from the innovative concept of the present application are covered by the present application, which belongs to the protection scope of the present patent.

Claims

1. A sealed fuse holder, comprising a base (10), characterized in that: A connector accommodating cavity (110) and a connector fixing beam (120) are provided on the base (10), and the connector fixing beam (120) is provided in the connector accommodating cavity (110).

2. The sealed fuse holder according to claim 1, wherein: A connecting member support beam (130) is also provided on the base (10); The connecting member support beam (130) is arranged in the connecting member accommodating cavity (110) and is located below the connecting member fixing beam (120).

3. The sealed fuse holder according to claim 1, wherein: The connecting piece fixing beam (120) is provided with a connecting piece clamping groove (1210) and a sealing cover outer clamping groove (1220); The connecting piece snap-in groove (1210) is located at the bottom of the connecting piece fixing beam (120), and the sealing cover outer snap-in groove (1220) is located at the outer end of the connecting piece fixing beam (120).

4. The sealed fuse holder according to claim 1, wherein: The number of the connector accommodating cavities (110) and the number of the connector fixing beams (120) are both two; a guide hole (140) is provided in the middle portion of the two connector accommodating cavities (110).

5. The sealed fuse holder according to claim 4, wherein: A heat dissipation groove (150) is provided in the middle portion of the two connecting member accommodating cavities (110), and the guide hole (140) is opened on the groove bottom of the heat dissipation groove (150).

6. The sealed fuse holder according to claim 5, characterized in that: Sealing cover inner slots (1510) are provided on the inner walls on both sides of the heat dissipation slot (150).

7. The sealed fuse holder according to any one of claims 1 to 6, characterized in that: The sealed fuse holder further includes a connecting piece (20); The connecting piece (20) comprises a tube body accommodating ring (210), a fixed beam sleeve ring (220), and a pin portion (230); The fixing beam sleeve ring (220) is arranged on the connector fixing beam (120), the tube body accommodating ring (210) extends out of the connector accommodating cavity (110), and the pin portion (230) is located at the end opening of the connector accommodating cavity (110) and partially extends out of the connector accommodating cavity (110).

8. The sealed fuse holder according to claim 7, wherein: A fixed beam clamping joint (240) is provided on the fixed beam sleeve ring (220).

9. The sealed fuse holder according to claim 7, wherein: The tube body accommodating ring (210) comprises a first clamping ring (2110), a second clamping ring (2120), and a limiting portion (2130); A card interface (2140) and a card connection position (2150) are provided between the first card ring (2110) and the second card ring (2120), and the limiting portion (2130) is provided at the ends of the first card ring (2110) and the second card ring (2120).

10. The sealed fuse holder according to any one of claims 1 to 6, characterized in that: The sealed fuse holder further includes a sealing cover (30); An outer clamping plate (310) and an inner clamping plate (320) are provided on the sealing cover (30), and an outer clamping head (3110) is provided on the outer clamping plate (310).

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