Double-flame lighter with built-in labor-saving lever
By introducing a lever mechanism and a rotating top cover design into the dual-flame lighter, the problem of effortless switching between open flame and direct flame in existing technologies has been solved, improving the ease of operation and the convenience of replacing the ignition stone.
Patent Information
- Application Number
- CN202520085490.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-15
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-15
AI Technical Summary
Existing dual-flame lighters lack an effort-saving design when switching between open flame ignition and direct jet ignition, and the ignition mechanism is inconvenient for replacing the ignition stone.
The switch valve is controlled by a lever mechanism to switch the flame state, and the side rollers and sliding blocks provide labor-saving operation. The rotating top cover makes it easy to replace the ignition stone.
It enables more direct and effortless switching of flame states, improves the user experience, and simplifies the process of replacing the flint.
Smart Images

Figure CN223909575U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a double flame lighter built-in labor-saving lever. BACKGROUND
[0002] In the structure of the double flame loud sound lighter of the announcement number CN212719832U, the state switching of open fire ignition or direct injection fire ignition is realized by the axial movement control of the opening and closing valve core 18, and the axial movement of the opening and closing valve core 18 is realized by the rotation of the switching hand wheel 13; in the switching mechanism and lighter structure of the double flame lighter based on the rotation of the grinding wheel driving wheel of the announcement number CN222164869U, the state switching of open fire ignition or direct injection fire ignition is realized by the sliding of the switching block 32, and the driving wheel 5 can drive the switching block 32 to slide; in the structure of the double fire lighter of the announcement number CN211399855U, the state switching of open fire ignition or direct injection fire ignition is realized by the sliding of the extrusion piece 9, and the side sliding hand wheel 8 can drive the extrusion piece 9 to slide.
[0003] In summary, through the search, it is found that the state switching of open fire ignition or direct injection fire ignition of the existing double flame lighter is simple and direct, and the lever is not used to achieve the purpose of saving labor; in addition, the ignition mechanism of the existing double flame lighter is basically push plate type, that is, the push plate is subjected to elastic force and pushes the ignition stone and the grinding wheel to abut and contact, and the push plate type ignition mechanism is inconvenient when replacing the ignition stone. SUMMARY
[0004] In view of the deficiencies existing in the above problems, the utility model provides a double flame lighter built-in labor-saving lever.
[0005] In order to achieve the above purpose, the utility model provides a double flame lighter built-in labor-saving lever, which comprises a machine body with a liquid storage chamber, a machine cover hinged to the machine body, a middle frame fixed to the upper part of the machine body, an open fire nozzle and a direct injection fire nozzle arranged on the middle frame, and a switching valve, the open fire nozzle is communicated with the liquid storage chamber through a first flow channel, the direct injection fire nozzle is communicated with the liquid storage chamber through a second flow channel, the switching valve is used for the flow control of the first flow channel to realize the switching of open fire and direct injection fire, the switching valve comprises a valve seat fixed to the machine body, a valve core rod and a valve core rod return spring built-in the valve seat, the machine body is further provided with a lever seat, the lever seat is provided with a lever, one end of the lever abuts against the upper end of the valve core rod, and the other end of the lever away from the valve core rod is connected with a force applying piece arranged outside the machine body in abutment.
[0006] Further, the upper end of the valve core rod is in the form of a ball head.
[0007] Further, the outer side of the machine body is provided with a side sliding roller, the side sliding roller comprises a pivot shaft rotatably arranged on the machine body, an outer shaft spring sleeved outside the pivot shaft, and a roller sleeve synchronously rotating outside the pivot shaft, the roller sleeve can slide upward to abut against the end of the lever by overcoming the elastic force of the outer shaft spring, that is, the roller sleeve constitutes the force applying member.
[0008] Further, the front side of the machine body is processed with a sliding groove, and a sliding block capable of sliding up and down is arranged at the sliding groove, the sliding block can slide upward to abut against the end of the lever, that is, the sliding block constitutes the force applying member.
[0009] Further, the outer side of the machine body is provided with a side sliding roller, the upper portion of the side sliding roller is provided with a synchronously rotating ignition grinding wheel, the middle frame is provided with a long groove at a position corresponding to the ignition grinding wheel, and a striker and a striker spring are arranged in the long groove, the striker is used to tightly attach the ignition stone to the ignition grinding wheel under the action of the striker spring.
[0010] Further, a pin shaft is fixedly connected to the striker, the pin shaft protrudes from the long groove, and an upper cover capable of rotating in a plane is further arranged on the middle frame, and the lower surface of the upper cover is formed with an opening capable of acting with the pin shaft.
[0011] Further, a spring ball is further arranged on the middle frame, and the lower surface of the upper cover is provided with two positioning holes matched with the spring ball, so that the upper cover can be stably switched between the open state and the closed state.
[0012] Further, in order to realize the plane rotation of the upper cover, a central shaft is fixed on the middle frame, an annular groove is formed on the circumferential surface of the central shaft, a central shaft hole is formed in the lower surface of the upper cover for inserting the central shaft, and a locking nail is further arranged on the upper cover, and the nail head of the locking nail is embedded in the annular groove.
[0013] The utility model discloses relative to prior art's beneficial effect is:
[0014] 1, the force applying member of the outer side realizes control to the switching valve through the action of the lever, and the switching of the flame state is more direct, labor-saving, and the use feeling of the product to the consumer is better.
[0015] 2, the upper cover is rotatably arranged on the middle frame, and the striker is moved when the upper cover rotates, so that replacing the ignition stone becomes more convenient. DRAWINGS
[0016] Figure 1 It is a kind of built-in labor-saving lever's double-flame lighter's perspective view (example 1);
[0017] Figure 2 The exploded view of a double flame lighter with built-in labor-saving lever (Example 1);
[0018] Figure 3 The exploded view of a double flame lighter with built-in labor-saving lever (Example 1); Figure 2 The schematic diagram of another direction of the upper cover and locking nail in
[0019] Figure 4 The schematic diagram of the transmission connection of the roller cover, lever and switching valve (Example 1);
[0020] Figure 5 The cross-sectional view of the switching valve (Example 1);
[0021] Figure 6 The cross-sectional view of the side sliding roller (Example 1);
[0022] Figure 7 The exploded view of the side sliding roller (Example 1);
[0023] Figure 8 The schematic diagram when replacing the ignition stone (Example 1);
[0024] Figure 9 The perspective view of a double flame lighter with built-in labor-saving lever (Example 2);
[0025] Figure 10 The schematic diagram of the transmission connection of the sliding block, lever and switching valve (Example 2).
[0026] In the figure: 1, machine cover; 2, machine body; 3, side sliding roller; 31, pivot shaft; 32, outer spring of pivot shaft; 33, roller cover; 4, middle frame; 41, long slot; 5a, open flame nozzle; 5b, straight jet flame nozzle; 6, switching valve; 61, valve seat; 62, valve core rod; 63, valve core rod return spring; 7, lever seat; 8, lever; 9, sliding block; 10, ignition stone; 11, impact rod spring; 12, pin shaft; 13, impact rod; 14, center shaft; 141, annular groove; 15, spring ball; 16, upper cover; 161, opening; 162, positioning hole; 163, center shaft hole; 17, locking nail. DETAILED DESCRIPTION
[0027] Example 1: As Figures 1-8As shown, the utility model discloses a double flame lighter with built-in labor-saving lever, including the body 2 with liquid storage chamber, hinge in body 2 on the cover 1 of machine, fixedly connected in the upper part of body 2's middle frame 4, the open fire nozzle 5a with straight jet fire nozzle 5b of configuration in middle frame 4, a switch valve 6, open fire nozzle 5a is communicated with the liquid storage chamber through first flow channel, and straight jet fire nozzle 5b is communicated with the liquid storage chamber through second flow channel, and switch valve 6 is used for the cut-off control of first flow channel to realize the switch of open fire, straight jet fire, and switch valve 6 includes the valve seat 61 fixed on body 2, the valve core rod 62 built-in valve seat 61 and valve core rod reset spring 63, lever seat 7 is also fixed on body 2, and lever seat 7 is equipped with lever 8, and one end of lever 8 is in abutment with the upper end of valve core rod 62, and the other end of lever 8 away from valve core rod 62 is connected with the force applying element arranged on the outside of body 2 in abutment, the upper end of valve core rod 62 is spherical, the outside of body 2 is equipped with side slide roller 3, and side slide roller 3 includes the pivot shaft 31 rotatably arranged on body 2, the pivot shaft outer spring 32 of sleeve set in pivot shaft 31 outside, the roller sleeve 33 of sleeve set in pivot shaft 31 outside and synchronous rotation with it, and the roller sleeve 33 can overcome the sliding of pivot shaft outer spring 32 and the end of lever 8 and resist the contact, that is, the roller sleeve 33 constitutes the force applying element, the upper part of side slide roller 3 is equipped with the ignition grinding wheel 10 synchronous rotation with it, and the middle frame 4 is provided with long slot 41 in the position corresponding with ignition grinding wheel 10, and the long slot 41 is provided with the impact rod 13 and the impact rod spring 11, and the impact rod 13 is tightly attached on ignition grinding wheel 10 under the action of impact rod spring 11, the impact rod 13 is fixedly connected with a pin shaft 12, and the pin shaft 12 is arranged in the long slot 41, and the middle frame 4 is also provided with an upper cover 16 rotatable in the plane, and the lower surface of upper cover 16 is formed with a gap 161 for the pin shaft 12, the middle frame 4 is also provided with spring ball 15, and the lower surface of upper cover 16 is provided with two positioning holes 162 matched with spring ball 15, so that the upper cover 16 can realize stable switching between the open state and the closed state, in order to realize the plane rotation of upper cover 16, the middle frame 4 is fixedly connected with a central shaft 14, and the circumferential surface of central shaft 14 is formed with an annular groove 141, and the lower surface of upper cover 16 is formed with a central shaft hole 163 for the insertion of central shaft 14, and the upper cover 16 is also provided with a locking nail 17, and the nail head of locking nail 17 is embedded in annular groove 141, so that upper cover 16 can only rotate and not separate from middle frame 4, and the locking nail 17 is hidden on one side of upper cover 16 and is also very beautiful.
[0028] Embodiment 2: as Figure 7 , Figure 8 shown, the difference from embodiment 1 is that the sliding block 9 constitutes the force applying element, and the sliding block 9 is slidably arranged in the slide groove on the front of body 2.
[0029] The outer force applying member controls the switching valve via the action of the lever, the switching of the flame state is more direct and labor-saving, and the product provides better use feeling for consumers; the upper cover is rotatably arranged on the middle frame, and the upper cover drives the impact rod to move when rotating, so that the replacement of the ignition stone is more convenient.
[0030] In use, the application is described in combination with the drawings for the convenience of understanding the application;
[0031] When the valve core rod 62 of the switching valve 6 is pressed down by force, the first flow channel is cut off, and the liquid in the liquid storage chamber reaches the direct injection fire nozzle 5b through the second flow channel to form direct injection fire; when the valve core rod 62 of the switching valve 6 is reset, the first flow channel makes the liquid storage chamber and the open fire nozzle 5a form communication again, so that the open fire nozzle 5a can form open fire, and the direct injection fire nozzle 5b cannot form direct injection fire due to insufficient gas supply pressure.
[0032] In combination Figure 2 , Figure 8 , Figure 2 , Figure 8 Two relative position states of the upper cover 16 and the middle frame 4 are shown, the stable switching of the position is realized by the spring ball 15 entering one of the positioning holes 162, and the upper cover 16 rotates around the center shaft 14 during the process from the closed state to the open state (as shown in FIG. 6 and FIG. 7). Figure 8 The notch 161 is driven to move the impact rod 13 by the shaft 12, that is, as shown in Figure 8 The space for placing the ignition stone is formed on the front side of the long groove 41, so that the replacement of the ignition stone is very convenient.
[0033] The above only describes preferred embodiments of the application and is not used to limit the application. For those skilled in the art, the application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the application shall be included in the protection scope of the application.
Claims
1. A dual flame lighter with built-in labor-saving lever, comprising a body (2) with a liquid storage chamber, a cover (1) hinged to the body (2), a middle frame (4) fixed to the upper part of the body (2), an open flame nozzle (5a) and a straight flame nozzle (5b) arranged on the middle frame (4), and a switching valve (6), the open flame nozzle (5a) being in communication with the liquid storage chamber via a first flow channel, the straight flame nozzle (5b) being in communication with the liquid storage chamber via a second flow channel, and the switching valve (6) being used for the flow control of the first flow channel to realize the switching of open flame and straight flame, characterized in that: The switch valve (6) comprises a valve seat (61) fixed on the fuselage (2), a valve stem (62) and a valve stem return spring (63) arranged in the valve seat (61), and a lever seat (7) fixed on the fuselage (2), wherein a lever (8) is arranged on the lever seat (7), one end of the lever (8) abuts against the upper end of the valve stem (62), and the other end of the lever (8) away from the valve stem (62) is connected to a force applying member arranged outside the fuselage (2).
2. A dual flame lighter with a built-in force multiplier as defined in claim 1, characterized in that: The upper end of the valve stem (62) is in the shape of a ball head.
3. A dual flame lighter with a force multiplier built-in as defined in claim 1, wherein: A side sliding roller (3) is arranged on the outside of the fuselage (2), and the side sliding roller (3) comprises a pivot shaft (31) rotatably arranged on the fuselage (2), a pivot shaft outer spring (32) arranged outside the pivot shaft (31), and a roller sleeve (33) arranged outside the pivot shaft (31) and synchronously rotating with the pivot shaft (31), wherein the roller sleeve (33) can slide upward against the force of the pivot shaft outer spring (32) to abut against the end of the lever (8), and the roller sleeve (33) constitutes the force applying member.
4. A dual flame lighter with a force multiplier built-in as defined in claim 1, wherein: A sliding groove is formed on the front of the fuselage (2), and a sliding block (9) capable of sliding up and down is arranged at the sliding groove, wherein the sliding block (9) can slide upward to abut against the end of the lever (8), and the sliding block (9) constitutes the force applying member.
5. A dual flame lighter with a force multiplier built-in as defined in claim 1, wherein: A side sliding roller (3) is arranged on the outside of the fuselage (2), and an ignition grinding wheel (10) synchronously rotating with the side sliding roller (3) is arranged on the upper part of the side sliding roller (3), a long slot (41) is formed on the middle frame (4) corresponding to the ignition grinding wheel (10), and a striker (13) and a striker spring (11) are arranged in the long slot (41), wherein the striker (13) tightly abuts against the ignition grinding wheel (10) under the action of the striker spring (11).
6. A dual flame lighter with a built-in force multiplier as defined in claim 5, characterized in that: A pin shaft (12) is fixedly connected to the striker (13), and the pin shaft (12) protrudes from the long slot (41), an upper cover (16) capable of rotating in a plane is further arranged on the middle frame (4), and an opening (161) capable of acting on the pin shaft (12) is formed on the lower surface of the upper cover (16).
7. A dual flame lighter with a built-in force multiplier as defined in claim 6, characterized in that: A spring ball (15) is further arranged on the middle frame (4), and two positioning holes (162) matched with the spring ball (15) are arranged on the lower surface of the upper cover (16), so that the upper cover (16) can be stably switched between the open state and the closed state.
8. A dual flame lighter with a built-in force multiplier as defined in claim 7, characterized in that: In order to realize the plane rotation of the upper cover (16), a central shaft (14) is fixed on the middle frame (4), an annular groove (141) is formed on the circumferential surface of the central shaft (14), a central shaft hole (163) into which the central shaft (14) is inserted is formed on the lower surface of the upper cover (16), and a locking nail (17) is further arranged on the upper cover (16), and the nail head of the locking nail (17) is embedded in the annular groove (141).
Citation Information
Patent Citations
Double-fire lighter
CN211399855U
Double-flame loudspeaking lighter
CN212719832U
Switching mechanism of rotary double-flame lighter based on grinding wheel driving wheel and lighter
CN222164869U