Connecting piece for spark plug cap
By designing a movable connecting piece structure and fixing method, the problem of the spark plug cap connecting piece adapting to different engine types is solved, achieving stable conductivity and convenient installation.
Patent Information
- Application Number
- CN202421955768.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-13
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-08-13
AI Technical Summary
Due to the fixed size of the existing spark plug cap connection piece, it cannot adapt to the different distances between the metal caps and self-tapping screws of different models of engines, resulting in inconvenient bending and affecting the use effect.
A connection structure including a first connecting piece and a second connecting piece is designed. By adjusting the position of the second connecting piece movable in the fixing piece, combining the fixing method of bolts, nuts and balls, the installation adaptability of engines of different models is achieved and good conductivity is maintained.
It realizes the installation adaptability of different models of engines, improves the use effect and practicality of the connecting plate, ensures stable conductivity, and is convenient for replacement and maintenance.
Smart Images

Figure CN223093307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of spark plugs, in particular to a connecting piece for a spark plug cap. Background Technique
[0002] The spark plug cap is an important component on the engine and is used to connect the high-voltage wire and the spark plug. Its quality directly affects the starting performance of the engine. Traditional spark plug caps are composed of a body and a metal cap, a resistor, a spring, a connecting piece, a self-tapping screw, etc. installed in the body. The metal cap and the self-tapping screw are connected together by the connecting piece, and the connecting piece plays a role in conducting electricity.
[0003] In this regard, Chinese Patent Application No.: CN202022515202.3 discloses a spark plug cap connecting piece structure, including a first fixing plate. One end of the outer side wall of the first fixing plate is provided with a second fixing plate. A first circular groove is opened at the center of the first fixing plate near one end of the second fixing plate, and a first rotating shaft is slidably connected in the first circular groove. A second circular groove is opened at the center of the second fixing plate near one end of the first fixing plate, and a second rotating shaft is slidably connected in the second circular groove. In the utility model, by setting a counterbore, an internal thread sleeve, a screw rod and a limiting block, it is convenient to realize the up and down position movement of the screw rod by rotating the internal thread sleeve, realize the meshing connection of the limiting block with the first rotating shaft and the second rotating shaft, realize the position limitation of the first rotating shaft and the second rotating shaft, ensure the position fixation of the first fixing plate and the second fixing plate during the vehicle driving process, and further ensure the stability of the electrical connection.
[0004] This connecting piece can connect two fixing plates together by setting two groups of connecting plates. However, during use, due to different engine models, the distance between the metal cap and the self-tapping screw on it is different, and the size of this connecting piece is fixed. Moreover, due to the setting of the connecting plates, it is inconvenient to bend the connecting piece, which will affect the use of the device.
[0005] Therefore, in order to solve the above problems, a connecting piece for a spark plug cap is proposed. Content of the Utility Model
[0006] The purpose of the utility model is to provide a connecting piece for a spark plug cap to solve the problem in the prior art mentioned in the above background technique that the connecting piece can connect two fixing plates together by setting two groups of connecting plates. However, during use, due to different engine models, the distance between the metal cap and the self-tapping screw on it is different, and the size of this connecting piece is fixed. Moreover, due to the setting of the connecting plates, it is inconvenient to bend the connecting piece, which will affect the use of the device.
[0007] To achieve the above object, the present utility model provides the following technical solution: A connecting piece for a spark plug cap, comprising: a first connecting piece, on the top surface of the first connecting piece, a second connecting piece is installed, and circular grooves are provided on the top surfaces of the first connecting piece and the second connecting piece;
[0008] A connecting structure is installed on the first connecting piece, the connecting structure includes a fixing piece, the fixing piece is welded to the left end of the top surface of the first connecting piece, a bolt is threadedly connected to the top surface of the fixing piece, a needle head is welded to the bottom end of the bolt, a fixing block is welded to the left end of the bottom surface of the first connecting piece, a cushion block is welded to the upper end of the inner wall of the fixing block, a clamping ball is welded to the lower end of the inner wall of the fixing block, a prying groove is provided on the side wall of the fixing block, and a nut is installed inside the fixing block.
[0009] Preferably, the second connecting piece is located above the first connecting piece, the first connecting piece is in contact with the second connecting piece, and the right end of the second connecting piece overlaps with the left end of the first connecting piece.
[0010] Preferably, the right end of the second connecting piece is inserted inside the fixing piece.
[0011] Preferably, the length of the bolt is greater than the height of the fixing piece.
[0012] Preferably, the fixing block is located directly below the bolt, the top surface of the nut is in contact with the bottom surface of the cushion block, and there is a gap between the nut and the first connecting piece.
[0013] Preferably, the clamping ball is used for fixing and limiting the nut inside the fixing block.
[0014] Compared with the prior art, the beneficial effects of the present utility model are: By setting the second connecting piece, the present utility model can move inside the fixing piece, thereby adjusting the position between the second connecting piece and the first connecting piece, realizing the installation and use of different models of engines, with good use effect and higher practicability.
[0015] By setting a connecting structure in the present utility model, the right end of the second connecting piece is inserted inside the fixing piece, which can make the right end of the second connecting piece fit and overlap with the left end of the first connecting piece, ensuring the conductivity between the first connecting piece and the second connecting piece. Moreover, the second connecting piece can move inside the fixing piece, capable of adjusting the position between the first connecting piece and the second connecting piece, realizing the installation and use of different models of engines, with good use effect and higher practicability;
[0016] The nut is installed inside the fixed block and cooperates with the clamping ball, so that the nut can be fixed inside the fixed block, making the position and angle of the nut fixed. Rotate the bolt, and the bolt will move downward inside the fixed piece and drive the needle to move downward in a rotating manner. When the bottom end of the needle contacts the second connecting piece, it can penetrate the second connecting piece, and the bolt penetrates the first connecting piece and is threadedly connected to the nut on the bottom surface of the first connecting piece, enabling the first connecting piece and the second connecting piece to be fixedly connected;
[0017] Due to the setting of the cushion block, there is a gap between the nut and the first connecting piece. Insert a tool into the gap and then pry it. Through the pry groove, the nut can be pried out from the inside of the fixed block, facilitating replacement and use. Brief Description of the Drawings
[0018] Figure 1 It is a front view structural schematic diagram of the present utility model;
[0019] Figure 2 It is an exploded structural schematic diagram of the present utility model;
[0020] Figure 3 It is a bottom view structural schematic diagram of the nut of the present utility model;
[0021] Figure 4 It is an exploded structural schematic diagram of the fixed block of the present utility model.
[0022] In the figure: 1. First connecting piece; 11. Second connecting piece; 12. Circular groove; 2. Connecting structure; 21. Fixed piece; 22. Bolt; 23. Needle; 24. Fixed block; 25. Cushion block; 26. Clamping ball; 27. Pry groove; 28. Nut. Detailed Description of the Embodiment
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Please refer to Figures 1-4 , an embodiment provided by the present utility model:
[0025] The first connecting piece 1, the second connecting piece 11, and the circular groove 12 used in this application are products that can be directly purchased on the market, and their principles and connection methods are all prior arts well-known to those skilled in the art, so they will not be elaborated here.
[0026] A connecting piece for a spark plug cap, comprising: a first connecting piece 1, a second connecting piece 11 is mounted on the top surface of the first connecting piece 1, and a circular groove 12 is provided on the top surfaces of the first connecting piece 1 and the second connecting piece 11;
[0027] A connecting structure 2 is mounted on the first connecting piece 1. The connecting structure 2 includes a fixing piece 21, the fixing piece 21 is welded to the left end of the top surface of the first connecting piece 1, a bolt 22 is threadedly connected to the top surface of the fixing piece 21, a needle head 23 is welded to the bottom end of the bolt 22, a fixing block 24 is welded to the left end of the bottom surface of the first connecting piece 1, a cushion block 25 is welded to the upper end of the inner wall of the fixing block 24, a clamping ball 26 is welded to the lower end of the inner wall of the fixing block 24, a prying groove 27 is provided on the side wall of the fixing block 24, and a nut 28 is mounted inside the fixing block 24. The second connecting piece 11 can move inside the fixing piece 21, thereby adjusting the position between the second connecting piece 11 and the first connecting piece 1 to achieve the installation and use of different models of engines, with good use effects and greater practicality.
[0028] Further, the second connecting piece 11 is located above the first connecting piece 1, the first connecting piece 1 is in contact with the second connecting piece 11, the right end of the second connecting piece 11 overlaps with the left end of the first connecting piece 1, and good electrical conductivity can be maintained between the first connecting piece 1 and the second connecting piece 11.
[0029] Further, the right end of the second connecting piece 11 is inserted inside the fixing piece 21, and the fixing piece 21 is used for limiting the second connecting piece 11 on the first connecting piece 1, which can ensure the close contact between the first connecting piece 1 and the second connecting piece 11.
[0030] Further, the length of the bolt 22 is greater than the height of the fixing piece 21, and the bolt 22 can penetrate through the fixing piece 21, the second connecting piece 11, the first connecting piece 1 and the nut 28 at the same time.
[0031] Further, the fixing block 24 is located directly below the bolt 22, the top surface of the nut 28 is in contact with the bottom surface of the cushion block 25, there is a gap between the nut 28 and the first connecting piece 1, and the fixing block 24 can cooperate with the bolt 22 from the lower side. The setting of the gap facilitates the insertion of a tool between the first connecting piece 1 and the nut 28 to pry the nut 28 out of the inside of the fixing block 24.
[0032] Further, the clamping ball 26 is used for fixing and limiting the nut 28 inside the fixing block 24, and the nut 28 will not fall out of the inside of the fixing block 24, which is convenient for connecting the bolt 22 and the nut 28 to fix the first connecting piece 1 and the second connecting piece 11 together.
[0033] Working principle: The right end of the second connecting piece 11 is inserted inside the fixing piece 21, which can make the right end of the second connecting piece 11 fit and overlap with the left end of the first connecting piece 1, ensuring the conductivity between the first connecting piece 1 and the second connecting piece 11. Moreover, the second connecting piece 11 can move inside the fixing piece 21, capable of adjusting the position between the first connecting piece 1 and the second connecting piece 11, realizing the installation and use of engines of different models, with good use effects and higher practicability;
[0034] The nut 28 is installed inside the fixing block 24 and cooperates with the clamping ball 26 to fix the nut 28 inside the fixing block 24, making the position and angle of the nut 28 fixed. Rotate the bolt 22, and the bolt 22 will move downward inside the fixing piece 21 and drive the needle head 23 to move downward while rotating. When the bottom end of the needle head 23 contacts the second connecting piece 11, it can penetrate the second connecting piece 11. Moreover, the bolt 22 passes through the first connecting piece 1 and is threadedly connected to the nut 28 on the bottom surface of the first connecting piece 1, capable of fixedly connecting the first connecting piece 1 and the second connecting piece 11;
[0035] Due to the setting of the cushion block 25, there is a gap between the nut 28 and the first connecting piece 1. Insert a tool into the gap and then pry it. The nut 28 can be pried out from inside the fixing block 24 through the pry groove 27, which is convenient for replacement and use.
[0036] The above is only the preferred embodiment of the present invention, and it is not intended to limit the present invention in any form; any ordinary technician in the industry can smoothly implement the present invention according to the illustrations in the specification and the above description; however, any equivalent changes such as slight modifications, refinements, and evolutions made by those skilled in the art within the scope of the technical solution of the present invention using the above-disclosed technical content are equivalent embodiments of the present invention; at the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the essential technology of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims
1. A connecting piece for a spark plug cap, comprising: The first connecting piece (1), a second connecting piece (11) is installed on the top surface of the first connecting piece (1), and a circular groove (12) is provided on the top surfaces of the first connecting piece (1) and the second connecting piece (11); It is characterized in that: A connecting structure (2) is installed on the first connecting piece (1). The connecting structure (2) includes a fixing piece (21). The fixing piece (21) is welded to the left end of the top surface of the first connecting piece (1). A bolt (22) is threadedly connected to the top surface of the fixing piece (21). A needle head (23) is welded to the bottom end of the bolt (22). A fixing block (24) is welded to the left end of the bottom surface of the first connecting piece (1). A cushion block (25) is welded to the upper end of the inner wall of the fixing block (24). A clamping ball (26) is welded to the lower end of the inner wall of the fixing block (24). A prying groove (27) is provided on the side wall of the fixing block (24). A nut (28) is installed inside the fixing block (24).
2. The connecting piece for a spark plug cap according to claim 1, wherein: The second connecting piece (11) is located above the first connecting piece (1). The first connecting piece (1) is in contact with the second connecting piece (11). The right end of the second connecting piece (11) overlaps with the left end of the first connecting piece (1).
3. A connecting piece for a spark plug cap according to claim 1, characterized in that: The right end of the second connecting piece (11) is inserted inside the fixing piece (21).
4. The connecting piece for a spark plug cap according to claim 1, characterized in that: The length of the bolt (22) is greater than the height of the fixing piece (21).
5. A connecting piece for a spark plug cap according to claim 1, characterized in that: The fixing block (24) is located directly below the bolt (22). The top surface of the nut (28) is in contact with the bottom surface of the cushion block (25). There is a gap between the nut (28) and the first connecting piece (1).
6. The connecting piece for a spark plug cap according to claim 1, characterized in that: The clamping ball (26) is used for fixing and limiting the nut (28) inside the fixing block (24).
Citation Information
Patent Citations
Connecting piece structure of spark plug cap
CN213401858U