Metal packaging shell of glass sealing lead

Abstract

The utility model discloses a metal packaging shell of glass sealing leads. The metal packaging shell comprises a packaging shell and a plurality of groups of leads packaged in the packaging shell through glass insulators, the packaging shell is provided with a thread step, the thread step is matched with a fixing part, and the inner side of the thread step is provided with a thread; the fixing part comprises two sets of fixing pieces which are arranged in a mirror image mode, and a screw groove matched with the threads is formed in the bottom of any set of fixing pieces. The fixed shell is connected between the two groups of fixed parts; and a plurality of groups of fixing plates are connected between the two groups of fixing pieces, are circularly distributed at the periphery of the lead and are propped against the lead. According to the utility model, the metal ring is designed in the glass insulator to increase the strength of the root part of the lead, and the fixing part is designed to move the position during a fatigue bending test, so that the cracking phenomenon of the glass insulator at the root part of the lead is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of metal packaging shell, specifically a glass seal lead metal packaging shell. BACKGROUND

[0002] The metal packaging shell is used for packaging the lead in the metal packaging shell through the glass insulator, and then predetermined air tightness is achieved.

[0003] In order to ensure the quality and reliability of the metal packaging shell, it is necessary to detect and test the metal packaging shell according to national and industrial standards, and the air tightness of the metal packaging shell is particularly important in the occasion where the internal pressure or vacuum environment needs to be maintained.

[0004] At present, when the metal packaging shell packages the lead, the glass at the lead root will be cracked after the lead bending fatigue test, resulting in product air leakage. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a glass seal lead metal packaging shell to solve the above problems existing in the prior art.

[0006] Technical scheme: a glass seal lead metal packaging shell, comprising:

[0007] A packaging shell and a plurality of groups of leads packaged in the packaging shell through a glass insulator.

[0008] A threaded step is arranged on the packaging shell, a fixing part is adapted to the threaded step, and a thread is opened in the inner side of the threaded step.

[0009] The fixing part comprises:

[0010] Two groups of fixing members are designed and arranged in mirror image, and a screw groove adapted to the thread is opened in the bottom of any one group of fixing members.

[0011] A fixing shell is connected between the two groups of fixing members.

[0012] A plurality of groups of fixing plates are connected between the two groups of fixing members, are circularly distributed around the leads, and abut against the leads.

[0013] The utility model increases the strength of the lead root by designing a metal ring in the glass insulator, and the position during the fatigue bending test is moved up by designing the fixing part, so that the cracking phenomenon of the glass insulator at the lead root is avoided.

[0014] In further embodiments, the glass insulator is provided with a metal ring in contact with the lead wire, by designing the metal ring, the strength of the lead wire root can be further increased, in addition, in coastal areas, the atmosphere contains a lot of salt mist, the salt will corrode the metal parts and materials for a long time, affect the appearance of the product, reduce the electrical performance and mechanical performance of the product, and the design of the metal ring can be used as a sacrificial metal in the electrochemical protection method to avoid rusting of the lead wire root.

[0015] In further embodiments, the fixing member comprises:

[0016] an inner ring, an outer ring sleeved on the outer ring of the inner ring, and a plurality of sets of swing arms hinged on the inner ring and the outer ring;

[0017] One end of the swing arm is hinged to the outer ring, the middle part is hinged to the inner ring, and the other end is connected to the fixing plate; a plurality of fixing plates form a circle;

[0018] By designing the inner ring, the swing arm is driven to swing, thereby driving the fixing plate to abut against the lead wire, completing the fixation of the lead wire, and further moving the bending position upward during the bending fatigue test, thereby avoiding the cracking of the glass insulator.

[0019] In further embodiments, the outer ring side is provided with a plurality of sets of fixing through grooves, and the fixing through grooves are provided with tension members;

[0020] The tension member comprises an outer column connected with the outer ring, an inner column connected with the inner ring and extending into the fixing through groove, and a tension spring connecting the inner column and the outer column; by designing the tension spring, the inner ring can be relatively fixed with the outer ring without external force, thereby fixing the swing arm and completing the fixation of the lead wire.

[0021] In further embodiments, the outer ring side is provided with a fixing rod;

[0022] The outer ring side is provided with an adaptive through groove, and the inner ring side is provided with a movable rod extending out of the adaptive through groove;

[0023] The fixing rod is provided with a fixed handle, and the movable rod is provided with a movable handle.

[0024] In further embodiments, the screw groove is arranged at the bottom of the outer ring of any one of the fixing members; by matching the screw groove with the screw thread step, the fixing part can be connected with the packaging shell.

[0025] Beneficial effects: the metal packaging shell for glass sealing lead wire is disclosed, the metal ring is designed in the glass insulator to increase the strength of the lead wire root, and the position during the fatigue bending test is moved upward by designing the fixing part, thereby avoiding the cracking of the glass insulator at the lead wire root. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a structural schematic diagram of the utility model.

[0027] Figure 2 is a structural schematic diagram of the fixed part of the utility model.

[0028] Figure 3 is a structural schematic diagram of the inside of the fixed part of the utility model.

[0029] Figure 4 is a structural schematic diagram of the fixed part of the utility model.

[0030] Reference signs are:

[0031] 1, package shell;2, glass insulator;3, lead wire;4, threaded step;5, metal ring;

[0032] 6, fixed part;61, fixed shell;62, fixed part;621, outer ring;621A, outer column;622, inner ring;622A, inner column;623, swing arm;624, tension spring;625, movable rod;626, fixed rod;

[0033] 63, fixed handle;64, movable handle;65, fixed plate; DETAILED DESCRIPTION

[0034] The application relates to a metal package shell of a glass-sealed lead wire, which is explained in detail below through specific embodiments.

[0035] A metal package shell of a glass-sealed lead wire comprises:

[0036] a package shell 1 and a plurality of groups of lead wires 3 packaged in the package shell 1 by a glass insulator 2.

[0037] The package shell 1 is provided with a threaded step 4, the threaded step 4 is adapted with a fixed part 6, and the inner side of the threaded step 4 is provided with threads.

[0038] The fixed part 6 comprises:

[0039] a fixed part 62, designed as two groups, mirror image arranged, and the bottom of any one group of fixed parts 62 is provided with a screw groove matched with the threads.

[0040] a fixed shell 61 connected between the two groups of fixed parts 62.

[0041] a fixed plate 65, designed as a plurality of groups, connected between the two groups of fixed parts 62, circularly distributed around the lead wires 3, and abutting against the lead wires 3.

[0042] The utility model discloses a metal ring 5 is designed in glass insulator 2, and the strength of the root of lead wire 3 is increased, and the position is moved up during the fatigue bending test through the design fixed part 6, and the cracking phenomenon of glass insulator 2 at the root of lead wire 3 is avoided.

[0043] The metal ring 5 is designed on glass insulator 2 and contacts with lead wire 3, and the strength of the root of lead wire 3 can be further increased through the design metal ring 5, in addition, in coastal areas, there are a lot of salt mist in the atmosphere, and these salts will corrode metal parts and materials for a long time, affect the appearance of product, reduce the electrical performance and mechanical performance of product, and the design of metal ring 5 can be used as a sacrificial metal in electrochemical protection method to avoid rust at the root of lead wire 3.

[0044] The fixing part 62 includes:

[0045] The inner ring 622, the outer ring 621 sleeved on the outer ring of the inner ring 622 and the plurality of swing arms 623 articulated on the inner ring 622 and the outer ring 621;

[0046] One end of the swing arm 623 is articulated with the outer ring 621, the middle part is articulated with the inner ring 622, and the other end is connected with the fixed plate 65, and a plurality of fixed plates 65 form a circle;

[0047] The inner ring 622 is designed to drive the swing arm 623 to swing, and then drive the fixed plate 65 to abut against the lead wire 3, complete the fixation of lead wire 3, and then make the bending position move up during the bending fatigue test, avoid the cracking of glass insulator 2.

[0048] A plurality of fixed through grooves are formed in the side of the outer ring 621, and a tension member is arranged in the fixed through groove;

[0049] The tension member includes an outer column 621A connected with the outer ring 621, an inner column 622A connected with the inner ring 622 and extending into the fixed through groove, and a tension spring 624 connected with the inner column 622A and the outer column 621A, through the design of the tension spring 624, the inner ring 622 can be relatively fixed with the outer ring 621 without external force, and then the swing arm 623 is fixed, and the lead wire 3 is fixed.

[0050] The outer ring 621 is provided with a fixed rod 626 on the side;

[0051] The side of the outer ring 621 is provided with an adaptive through groove, and the side of the inner ring 622 is provided with a movable rod 625 extending out of the adaptive through groove;

[0052] The fixed rod 626 is provided with a fixed handle 63, and the movable rod 625 is provided with a movable handle 64.

[0053] The screw groove is arranged at the bottom of the outer ring 621 of any one set of fixing members 62, and the fixing part 6 is connected with the packaging shell 1 through the matching of the screw groove and the screw step 4.

[0054] The outer wall of the screw step 4 can also be provided with a screw thread, and the bottom of the outer ring 621 is provided with a groove, and the groove is provided with a screw groove matched with the screw thread, so as to complete the connection between the fixing part 6 and the packaging shell 1.

[0055] The working principle is explained as follows: when the movable handle 64 moves close to the fixed handle 63, the movable handle 64 drives the movable rod 625 to move, drives the inner ring 622 to rotate, and drives the multiple sets of swing arms 623 to move in the principle direction. At this time, the fixing part 6 is connected with the packaging shell 1 through the matching of the screw thread and the screw groove, and after the connection, the movable handle 64 is loosened. At this time, the inner column 622A is pulled to move by the tension spring 624, drives the inner ring 622 to rotate in the opposite direction, and then drives the multiple sets of swing arms to move close, and then drives the fixing plate 65 to abut against the lead wire 3, so as to complete the fixing work of the lead wire 3.

[0056] The preferred embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the specific details in the above embodiments, and various equivalent transformations can be made to the technical scheme of the utility model within the technical concept of the utility model, and these equivalent transformations all belong to the protection scope of the utility model.

Claims

1. A metal package shell of glass-sealed lead, comprising: a package shell (1), and a plurality of groups of leads (3) packaged in the package shell (1) by a glass insulator (2); characterized in that a threaded step (4) is arranged on the package shell (1), a fixing part (6) is fitted on the threaded step (4), and threads are formed on the inner side of the threaded step (4); the fixing part (6) comprises: fixing members (62) designed in two groups and arranged in mirror image, the bottom of any one of the fixing members (62) being provided with a screw groove matched with the threads; a fixing shell (61) connected between the two groups of fixing members (62); a plurality of fixing plates (65) connected between the two groups of fixing members (62) and circularly distributed around the leads (3) and abutting against the leads (3).

2. A hermetically sealed metal package for glass-sealed leaded devices as defined in claim 1, wherein: a metal ring (5) is arranged on the glass insulator (2) and in contact with the leads (3).

3. A hermetically sealed metal package for glass-sealed leaded devices as defined in claim 1, wherein: the fixing member (62) comprises: an inner ring (622), an outer ring (621) sleeved on the outer ring (622), and a plurality of swing arms (623) hinged on the inner ring (622) and the outer ring (621); one end of the swing arm (623) is hinged to the outer ring (621), the middle part is hinged to the inner ring (622), and the other end is connected to the fixing plate (65), and a plurality of fixing plates (65) form a circle.

4. A hermetically sealed metal package for glass-sealed leaded devices as defined in claim 3, wherein: a plurality of fixing grooves are formed on the side of the outer ring (621), and a tension member is arranged in the fixing groove; the tension member comprises an outer column (621A) connected to the outer ring (621), an inner column (622A) connected to the inner ring (622) and extending into the fixing groove, and a tension spring (624) connecting the inner column (622A) and the outer column (621A).

5. A hermetically sealed glass-to-metal package housing for a lead as defined in claim 4, wherein: a fixing rod (626) is arranged on the side of the outer ring (621); an adaptive groove is formed on the side of the outer ring (621), and a movable rod (625) is arranged on the side of the inner ring (622) and extends out of the adaptive groove; a fixing handle (63) is arranged on the fixing rod (626), and a movable handle (64) is arranged on the movable rod (625).

6. A hermetically sealed metal package for glass-sealed leaded devices as defined in claim 3, wherein: the screw groove is arranged at the bottom of the outer ring (621) of any one of the fixing members (62).

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