Discharging mechanism and ignition device
By using a limiting component to constrain the position of the discharge needle in the discharge mechanism, the problem of unstable discharge needle distance is solved, thereby improving the stability and reliability of the discharge mechanism and ensuring the discharge effect and the safety of the device.
Patent Information
- Application Number
- CN202423205563.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-12-25
AI Technical Summary
In existing discharge mechanisms, the relative distance between the discharge needle and the ceramic tube is unstable, which leads to a decrease in discharge stability and reliability.
A limiting component is used to constrain the position of the discharge needle inside the ceramic tube, ensuring that the ends of the discharge needles are spaced at a preset distance. The position of the discharge needle is fixed by the cooperation of the limiting ring and the limiting hole or the limiting post, forming a stable discharge space.
It improves the stability and reliability of the discharge mechanism, avoids safety hazards caused by excessively large or small distance between the discharge needles, and enhances the discharge effect and the flexibility of the device.
Smart Images
Figure CN223595977U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ignition needle technical field especially, relate to a discharge mechanism and ignition device. BACKGROUND
[0002] At present, ignition needle is very wide in life and mechanical equipment application. In the use process, sometimes the circuit of ignition needle will be open circuit, lead to the electric quantity easy conduction to the non-insulated part, cause the security risk, and the ignition needle is easy to damage.
[0003] In the prior art, the discharge mechanism is usually arranged to discharge the above-mentioned electric quantity. The discharge mechanism comprises a ceramic tube and two discharge needles. One end of the two discharge needles is connected with the electrode, and the other end is inserted into the ceramic tube for discharging. However, since the relative distance of the discharge needles in the ceramic tube is unstable, the discharge stability and reliability of the discharge mechanism are reduced.
[0004] To solve the above problems, it is urgent to provide a discharge mechanism and ignition device to solve the problem of reduced discharge stability and reliability of the discharge mechanism. SUMMARY
[0005] The utility model discloses a discharge mechanism and ignition device to avoid the one end of the discharge needle in the ceramic tube being too large or too small, which is beneficial to ensure the stability and reliability of the discharge mechanism.
[0006] To achieve this purpose, the utility model adopts the following technical scheme:
[0007] A discharge mechanism comprises:
[0008] Two discharge needles, one end of the two discharge needles is connected with the positive and negative poles of the power supply respectively;
[0009] A ceramic tube, the other end of the two discharge needles is inserted into the ceramic tube, and the end of the two discharge needles in the ceramic tube is spaced apart by a preset distance; and
[0010] A limiting assembly is arranged at both ends of the ceramic tube, and the limiting assembly is configured to constrain the position of the discharge needle relative to the ceramic tube.
[0011] As an optional solution, the discharge needle is bent by 90 degrees to form a bent portion, so that the ceramic tube and the two discharge needles are connected in a U shape.
[0012] As an optional solution, the limiting assembly comprises:
[0013] A limiting ring is sleeved on the discharge needle, and the limiting ring is located between the bent portion and the end face of the ceramic tube.
[0014] As an option, the limiting ring is fixedly connected with the discharge needle.
[0015] As an option, the end face of the ceramic tube is provided with a receiving groove, the limiting ring is at least partially located in the receiving groove, and the limiting ring is in interference fit with the inner wall of the receiving groove.
[0016] As an option, the end face of the ceramic tube is provided with a receiving groove, the limiting ring is at least partially located in the receiving groove, and the limiting ring is in interference fit with the inner wall of the receiving groove.
[0017] The limiting column is arranged on the bottom of the receiving groove and / or the end face of the limiting ring facing the ceramic tube.
[0018] The limiting hole is arranged on the end face of the limiting ring facing the ceramic tube and / or the bottom of the receiving groove, and the limiting hole and the limiting column are in plug-in fit.
[0019] As an option, the limiting hole and the limiting column are arranged at least two respectively.
[0020] As an option, the limiting hole and the limiting column are in interference fit.
[0021] As an option, the discharge needle comprises:
[0022] The needle foot;
[0023] The insulating layer is sleeved on the outer layer of the needle foot, the end of the discharge needle away from the ceramic tube, and the length of the needle foot protrudes from the insulating layer.
[0024] The ignition device comprises:
[0025] The ignition needle;
[0026] The discharge mechanism as any one of the above, the circuit of the discharge mechanism is in parallel with the circuit of the ignition needle.
[0027] The beneficial effects of the utility model are:
[0028] The utility model provides a kind of discharge mechanism and ignition device, discharge mechanism includes ceramic tube, limiting component and two discharge needles.The one end of two discharge needles is connected with the positive pole and negative pole of power supply respectively, and the other end of two discharge needles is inserted into ceramic tube, and two discharge needles are located at the end portion in ceramic tube interval preset distance, when the circuit of discharge mechanism has electric quantity flow, the one end of two discharge needles located in ceramic tube will form discharge space, to consume electric quantity, play the protection effect to discharge needle, limiting component is arranged at the two ends of ceramic tube, limiting component is configured as the position of discharge needle relative to ceramic tube is restricted, to avoid the one end distance of discharge needle located in ceramic tube interior too large or too small, it is favorable to guarantee the stability and reliability of discharge mechanism. BRIEF DESCRIPTION OF DRAWINGS
[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the present application and the drawings.
[0030] Figure 1 is a structure diagram of the discharge mechanism provided by the embodiments of the present application;
[0031] Figure 2 is a cross-sectional structure diagram of the discharge mechanism provided by the embodiments of the present application;
[0032] Figure 3 is Figure 2 the local enlarged view of A in the figure.
[0033] The figures are marked as follows:
[0034] 100-discharge needle; 110-bent part;
[0035] 200-ceramic tube; 210-housing groove;
[0036] 300-limiting assembly; 310-limiting ring; 320-limiting column; 330-limiting hole. DETAILED DESCRIPTION
[0037] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, and not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, not the whole structure.
[0038] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; 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 of the internal structure of two elements or the interaction relationship between two elements. 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.
[0039] In the utility model, unless another definite provision and limitation, first feature is "on" or "under" second feature can include that first and second features are in direct contact, also can include that first and second features are not in direct contact but contact through other feature between them.Moreover, first feature "on", "above" and "upper surface" of second feature includes that first feature is directly above and obliquely above second feature, or only indicates that horizontal height of first feature is higher than second feature.First feature "under", "below" and "lower surface" of second feature includes that first feature is directly below and obliquely below second feature, or only indicates that horizontal height of first feature is less than second feature.
[0040] In the description of the embodiment, the terms "upper", "lower", "left", "right" and other orientation or position relationship are based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, cannot be understood as a limitation on the utility model.In addition, the terms "first", "second" are only used to distinguish in description, and have no special meaning.
[0041] The embodiment provides a kind of ignition device, which includes ignition needle and discharge mechanism.Wherein, the circuit of discharge mechanism is connected in parallel with the circuit of ignition needle, to ensure that when ignition needle occurs circuit break, the circuit of discharge mechanism is electrified.
[0042] As Figures 1-3 As shown, discharge mechanism includes ceramic tube and two discharge needles.One end of two discharge needles is connected with the positive and negative poles of power supply respectively, at this time, two discharge needles are connected at two ends of ignition needle circuit to form parallel circuit.At the same time, the other end of two discharge needles is inserted into ceramic tube, and the end of two discharge needles in ceramic tube is spaced by preset distance, when the circuit of discharge mechanism has electric quantity flow, one end of two discharge needles in ceramic tube will form discharge space to consume electric quantity, to play the protection role of discharge needle.
[0043] Because the distance of discharge needle in ceramic tube is too large or too small, it will affect the safety and discharge effect of discharge, therefore, the discharge mechanism is also provided with limiting assembly.Limiting assembly is arranged at both ends of ceramic tube, and limiting assembly is configured to constrain the position of discharge needle relative to ceramic tube, so as to avoid that one end of discharge needle in ceramic tube is too large or too small, which is beneficial to ensure the stability and reliability of discharge mechanism.
[0044] Further, the discharge needle is bent by 90 degrees to form a bent part, the bent part can restrict the length of the discharge needle inserted into the ceramic tube to ensure the distance of the discharge space. Meanwhile, the ceramic tube and the two discharge needles are connected in a U-shaped structure, the length and width of the discharge mechanism in the U-shaped structure are small, which not only ensures the working performance of the discharge mechanism, but also helps to reduce the occupied space and improve the flexibility of the discharge mechanism.
[0045] As shown in Figures 1-3 The limiting assembly includes a limiting ring sleeved on the discharge needle, and the limiting ring is located between the bent part and the end face of the ceramic tube, so as to restrict the distance of the discharge needle inserted into and pulled out of the ceramic tube by the limiting ring.
[0046] Optionally, in order to improve the stability of the limiting ring, the limiting ring is fixedly connected with the discharge needle. Optionally, the end face of the ceramic tube is provided with a receiving groove, and the limiting ring is at least partially located in the receiving groove, so as to reduce the size of the discharge mechanism along the axis direction of the ceramic tube. Optionally, the limiting ring is in interference fit with the inner wall of the receiving groove, so as to further improve the limiting of the position of the discharge needle by the limiting ring.
[0047] Optionally, the end face of the ceramic tube is provided with a receiving groove, and the limiting assembly includes a limiting column and a limiting hole in plug fit. The limiting column is arranged on the bottom of the receiving groove and / or the end face of the limiting ring facing the ceramic tube, and the limiting hole is arranged on the end face of the limiting ring facing the ceramic tube and / or the bottom of the receiving groove. The limiting hole and the limiting column. That is, the limiting column and the limiting hole can be arranged on the bottom of the receiving groove and the end face of the limiting ring facing the ceramic tube respectively, or the limiting column and the limiting hole are arranged on the bottom of the receiving groove and the end face of the limiting ring facing the ceramic tube at the same time, and the limiting column and the limiting hole are in plug fit during assembly. At this time, the limiting column and the limiting hole can be used to prevent the discharge needle from falling off from the ceramic tube.
[0048] The limiting hole and the limiting column are arranged at least two respectively, so as to facilitate the operator to quickly assemble and disassemble according to the relative position of the limiting hole and the limiting column, and improve the operation efficiency. Meanwhile, the two limiting columns and the two limiting holes can restrict the relative position of the discharge needle and the ceramic tube to ensure that the two discharge needles and the ceramic tube are in a U-shaped structure after quick assembly.
[0049] Optionally, the limiting hole and the limiting column are in interference fit to prevent the limiting assembly from being separated from the ceramic tube.
[0050] It can be understood that the discharge needle includes a needle foot and an insulating layer, the insulating layer is sleeved on the outer layer of the needle foot, and the length of the needle foot protrudes from the insulating layer at the end of the discharge needle away from the ceramic tube.
[0051] It should be noted that the above shows and describes the basic principle and main features of the present application and the advantages of the present application. The skilled in the art should understand that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application. These changes and improvements all fall within the scope of the claimed present application, and the scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A discharge mechanism characterized by, The discharge mechanism comprises: two discharge needles (100), one end of each of the two discharge needles (100) is connected to the positive and negative poles of a power supply respectively; a ceramic tube (200), the other end of each of the two discharge needles (100) is inserted into the ceramic tube (200), and the two discharge needles (100) are located at the ends of the ceramic tube (200) with a preset distance between them; and a limiting assembly (300) arranged at both ends of the ceramic tube (200), the limiting assembly (300) is configured to constrain the position of the discharge needle (100) relative to the ceramic tube (200).
2. The discharge mechanism according to claim 1, characterized in that The discharge needle (100) is bent by 90 degrees to form a bent portion (110), so that the ceramic tube (200) and the two discharge needles (100) are connected in a U shape.
3. The discharge mechanism of claim 2, wherein The limiting assembly (300) comprises: a limiting ring (310) sleeved on the discharge needle (100), and the limiting ring (310) is located between the bent portion (110) and the end face of the ceramic tube (200).
4. The discharge mechanism of claim 3, wherein The limiting ring (310) is fixedly connected with the discharge needle (100).
5. The discharge mechanism of claim 3, wherein The end face of the ceramic tube (200) is provided with a receiving groove (210), the limiting ring (310) is at least partially located in the receiving groove (210), and the limiting ring (310) is in interference fit with the inner wall of the receiving groove (210).
6. The discharge mechanism of claim 3, wherein The end face of the ceramic tube (200) is provided with a receiving groove (210), and the limiting assembly (300) comprises: a limiting column (320) arranged on the bottom of the receiving groove (210) and / or the end face of the limiting ring (310) facing the ceramic tube (200); a limiting hole (330) arranged on the end face of the limiting ring (310) facing the ceramic tube (200) and / or the bottom of the receiving groove (210), the limiting hole (330) and the limiting column (320) are inserted and fitted.
7. The discharge mechanism of claim 6, wherein The limiting hole (330) and the limiting column (320) are arranged at least two respectively.
8. The discharge mechanism of claim 7, wherein, The limiting hole (330) and the limiting column (320) are in interference fit.
9. The discharge mechanism according to any one of claims 1 to 8, characterized in that The discharge needle (100) comprises: a needle pin; an insulating layer sleeved on the outer layer of the needle pin, the end of the discharge needle (100) away from the ceramic tube (200), the length of the needle pin protrudes from the insulating layer.
10. An ignition device characterized by comprising: The ignition needle; The discharge mechanism of any one of claims 1-9, the circuit of the discharge mechanism is arranged in parallel with the circuit of the ignition needle.