Discharge tube mounting and fixing clamp

Abstract

The utility model provides a mounting and fixing clamp for a discharge tube, and relates to the technical field of fixing clamps, the mounting and fixing clamp comprises concave accommodating cavities which are symmetrically arranged, the bottoms of the concave accommodating cavities are connected with a mounting bottom plate, the mounting bottom plate is connected with a circuit board through screws, the concave accommodating cavities are provided with through grooves, and the through grooves are connected with the circuit board through screws. The utility model discloses a discharge tube fixing device, which is used for solving the technical problems that the existing discharge tube is mostly fixed on a circuit board by adopting a binding wire, but the fixing mode is not suitable for a long-term vibration working environment, and the discharge tube is in contact with the external environment and is easily influenced by the external environment, so that the service life of the discharge tube is shortened.

Description

TECHNICAL FIELD

[0001] The utility model mainly relates to fixed clamp technical field, concretely relates to a discharge tube's installation and fixed clamp. BACKGROUND

[0002] The discharge tube for the ignition system of the aero-engine, airborne missile engine, and ship, gas fuel, steel furnace, etc. is fixed on the circuit board by binding the line due to its high working voltage of several thousand volts, single discharge energy of several dozen joules, and high life requirement, thereby the volume of the discharge tube cannot be very small, the diameter of the discharge tube is not less than 20mm, and the length is not less than 40mm. In addition, under the high pressure working condition, in order to obtain better insulation strength, the tube body is usually made of glass or ceramic material. Therefore, the fixing mode of the discharge tube is to fix it on the circuit board by binding the line, but this fixing mode is not suitable for the working environment of long-term vibration, and the discharge tube is still in contact with the external environment, which is easy to be affected by the external environment and reduce the service life.

[0003] It should be noted that the above content belongs to the technical cognition of the inventor. Since the technical content in the field is vast and complex, the above content of the present application does not necessarily constitute the prior art. CONTENT OF THE UTILITY MODEL

[0004] 1. Technical problem to be solved by the utility model:

[0005] The utility model provides a discharge tube's installation and fixed clamp to solve the technical problems in the above background technology.

[0006] 2. Technical scheme:

[0007] In order to achieve the above purpose, the utility model provides a technical scheme: a discharge tube's installation and fixed clamp, which comprises two symmetrical recessed cavities, the recessed cavities are connected to the mounting plate at the bottom, the mounting plate is connected to the circuit board by screws, and a through slot is formed in the recessed cavity. The device can protect the discharge tube by two symmetrical recessed cavities. During use, the two ends of the discharge tube are welded to the connecting wires, the connecting wire at one end of the discharge tube is pulled out from one side of the through slot, and the connecting wire at the other end of the discharge tube is pulled out from the other side of the through slot. At this time, the main body of the discharge tube is located between the two recessed cavities. Then, the recessed groove parts of the two recessed cavities are aligned, and the circuit board is connected by the screws passing through the mounting plate. With the protection of the recessed cavity, the discharge tube can be effectively prevented from being separated from the circuit board due to vibration, and the influence of the external environment on the internal discharge tube can also be prevented.

[0008] Further, two through slots are formed at the bottom of the recessed cavity, and the recessed cavity can be filled with sealant after being connected.

[0009] Further, the installation base plate end is symmetrically provided with a positioning hole, and the positioning hole is provided with a positioning pin.

[0010] Further, one side of the concave accommodating cavity is provided with an annular clamping block, and the annular clamping block is matched with another concave accommodating cavity.

[0011] Further, the installation base plate is symmetrically provided with a clamping block on both sides, the clamping block is provided with a limiting slot, the limiting slot is provided with a mounting hole, and the limiting slot is matched with a nut.

[0012] Further, the concave accommodating cavity is integrally injection molded by polyether ether ketone.

[0013] Further, the concave accommodating cavity is in a capsule shape.

[0014] 3. Beneficial effects:

[0015] Compared with the prior art, the technical scheme has the beneficial effects that:

[0016] The utility model discloses reasonable in design, through integrally injection molding, and the processing cost is low, and the concave accommodating cavity is internally designed with the cavity for filling and sealing silica gel, and the filling of silica gel makes the soft connection between the concave accommodating cavity and discharge tube, and the discharge tube is isolated with the external environment, and the discharge tube can work in the whole life in the life cycle, and will not end in advance because of the damaged pipe body.

[0017] It should be noted that the structures not introduced in the utility model are the same as the prior art or can be realized by using the prior art, and do not involve the design points and improvement direction of the utility model, and details are not repeated here. DRAWINGS

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the utility model when the concave accommodating cavity is disassembled;

[0020] Figure 3 It is the structure schematic diagram of another embodiment of the utility model;

[0021] Figure 4 It is the bottom structure schematic diagram of the utility model.

[0022] Reference signs:

[0023] 1, concave accommodating cavity; 2, mounting bottom plate; 21, clamping block; 22, limiting groove; 23, nut; 3, through slot; 4, positioning hole; 5, positioning pin; 6, annular clamping block. DETAILED DESCRIPTION

[0024] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings, in which several embodiments of the present application are given. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0025] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description. Therefore, it cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0026] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0027] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing", "provided with", "provided in" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. EMBODIMENT

[0028] Referring to the accompanying Figures 1-4The utility model provides a kind of mounting and fixing fixture of discharge tube, including symmetrical recessed accommodating cavity 1, the recessed accommodating cavity 1 bottom is connected installation base plate 2, installation base plate 2 is connected with circuit board by screw, the recessed accommodating cavity 1 is opened with through groove 3, the device can be protected to discharge tube by two symmetrical recessed accommodating cavities 1, when using, first discharge tube two ends are welded with connecting wire, and the connecting wire of discharge tube one end is worn from the through groove 3 of one side, and the connecting wire of discharge tube other end is worn from the through groove 3 of other side, at this time discharge tube main body is located between two recessed accommodating cavities 1, subsequently two recessed accommodating cavities 1 recessed parts are aligned, and it can be connected by screw through installation base plate 2 with circuit board, with the protection of recessed accommodating cavity 1, can effectively prevent vibration and cause discharge tube to separate from circuit board, also can prevent external environment and influence internal discharge tube.

[0029] The through groove 3 is opened with two in the bottom of recessed accommodating cavity 1, the recessed accommodating cavity 1 is connected, and sealant can be filled in the inside, to further improve the stability of discharge tube when working, after discharge tube is placed into two recessed accommodating cavities 1 and is fixed, sealant can be filled through through groove 3, and the discharge tube is further protected by the sealant filled, ensures that discharge tube can work in its life cycle, and will not be prematurely terminated due to pipe body damage, it needs to be explained that, in the embodiment, two through grooves 3 are opened, one is convenient for the connection of connecting wire, and one is convenient for the filling of sealant, but one or more through grooves 3 can also be opened according to specific circumstances, and all belong to the conventional technical means that the person skilled in the art can think of, and the sealant can adopt silicone rubber.

[0030] The installation base plate 2 end is opened with positioning hole 4, and the positioning hole 4 is extruded to connect positioning pin 5, to improve the fitting degree of two recessed accommodating cavities 1 after being connected with each other, positioning pin 5 is inserted into one of positioning hole 4 when installing recessed accommodating cavity 1, and the other positioning hole 4 is also inserted into positioning pin 5, to improve the sealing effect of two recessed accommodating cavities 1 after being combined.

[0031] Please refer to Figure 3 One of the recessed accommodating cavities 1 side is equipped with annular clamping block 6, and the annular clamping block 6 is matched to connect the other recessed accommodating cavity 1, to further improve the sealing performance of two recessed accommodating cavities 1 when being combined, and the recessed accommodating cavity 1 is combined to play a sealing effect by setting annular clamping block 6.

[0032] The mounting base plate 2 is symmetrically provided with a clamping block 21 on both sides, the clamping block 21 is provided with a limiting slot 22, the limiting slot 22 is provided with a mounting hole, the limiting slot 22 is matched with a nut 23, the mounting base plate 2 can be screwed with a circuit board, and the screw is screwed through the mounting hole from the bottom of the circuit board and connected with the nut 23 during installation, so that the discharge tube is fixed.

[0033] The concave accommodating cavity 1 is integrally injection molded by polyether ether ketone, is convenient to make by using an injection molding machine, has low cost and excellent insulation performance.

[0034] The concave accommodating cavity 1 is a capsule-shaped structure, and the discharge tube is isolated and protected by using the capsule-shaped structure in the embodiment, and it should be noted that the specific structure of the concave accommodating cavity 1 can be customized according to different discharge tubes, and therefore other shapes that can be easily thought of by those skilled in the art can be used.

[0035] The above embodiment only expresses a certain embodiment of the utility model, and the description is more specific and detailed, but it cannot be understood as a limitation on the scope of the utility model patent; it should be pointed out that, for ordinary skilled persons in the art, a number of modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model; therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An installation and fixing jig for a discharge tube, characterized by: Including symmetrically arranged concave accommodating cavity (1), the bottom of concave accommodating cavity (1) is connected with mounting base plate (2), mounting base plate (2) is connected with circuit board by screw, and through slot (3) is formed in concave accommodating cavity (1).

2. A mounting and securing jig for a discharge tube according to claim 1, wherein: Two through slots (3) are formed in the bottom of concave accommodating cavity (1), and the inside of concave accommodating cavity (1) can be filled with sealant after being connected.

3. The mounting and securing fixture for a discharge tube of claim 1, wherein: Symmetrically positioned hole (4) is formed in the end of mounting base plate (2), and positioning pin (5) is connected with positioned hole (4) by extrusion.

4. The mounting and securing fixture for a discharge tube of claim 3, wherein: One of concave accommodating cavity (1) is provided with annular clamping block (6), and the other concave accommodating cavity (1) is connected with annular clamping block (6) by matching.

5. The mounting and securing fixture for a discharge tube of claim 1, wherein: Clamping block (21) is symmetrically arranged on both sides of mounting base plate (2), limiting slot (22) is formed in clamping block (21), mounting hole is arranged in limiting slot (22), and limiting slot (22) is connected with nut (23) by matching.

6. The mounting and securing fixture for a discharge tube of claim 1, wherein: Concave accommodating cavity (1) is integrally injection molded by polyether ether ketone.

7. The mounting and securing fixture for a discharge tube of claim 1, wherein: Concave accommodating cavity (1) is in capsule shape.

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