CN220575822U - Thermal insulation cotton nail gun using lithium battery as power - Google Patents

Abstract

The utility model relates to the field of fastening equipment, in particular to a heat preservation cotton nail gun taking lithium electricity as power, which comprises the following components: the gun nozzle component is arranged at the front end of the nail gun main body; the gun nozzle extension part is arranged at the front end of the gun nozzle part; the gun nozzle extension part comprises an extension part and a mounting part, one end of the extension part is used for propping against the heat-preserving gun nail, the mounting part is used for being connected with a gun nozzle part, a channel for the firing pin to shoot out and retract is arranged in the gun nozzle extension part, the mounting part is provided with an axially extending avoidance opening, the avoidance opening can provide enough avoidance space for teeth on the firing pin, the moving stroke of the firing pin is increased, so that the impact gun nail can be met by only needing a shorter firing pin, the length of the firing pin is reduced, the impact strength of the firing pin is enhanced, the service life of the firing pin is prolonged, the limit pin and the limit groove are matched and mounted, and the mounting hole and the mounting part are matched in shape, so that circumferential rotation is prevented between the gun nozzle extension part and the gun nozzle part, and the tooth part on the impact nail are ensured to accurately enter the avoidance opening.

Description

Thermal insulation cotton nail gun using lithium battery as power

Technical Field

The utility model relates to the field of fastening equipment, in particular to a heat-preservation cotton nail gun taking lithium electricity as power.

Background

The nail gun is a main fastening device, and comprises a gun nozzle, a firing pin and a power structure, wherein the power structure is used for storing energy, then the stored energy is converted into the kinetic energy of the firing pin, and the firing pin is guided by the gun nozzle to impact on a nail, so that the nail has huge penetrating power, and the nail can be ejected into fastened objects such as a wood board, cement, a steel plate and the like; the existing power structure generally adopts gas driving, pneumatic and electric, and the electric nail gun is a great trend of future market development, so the electric transformation of the nail gun is the key point of technical development; in a scene of laying heat-insulating cotton, the heat-insulating cotton is fixed on the substrate by injecting gun nails into the heat-insulating cotton and the substrate, the heat-insulating cotton has a certain thickness, a fastening sleeve is needed to press the heat-insulating cotton, and then the gun nails are injected into the substrate, so that the substrate is connected with the fastening sleeve, and further the heat-insulating cotton and the substrate are fixed; in the above-mentioned scene, the rifle nail needs to stretch into the inside of heat preservation cotton, therefore the front end of rifle mouth also can design to have long extension for stretch into the inside of heat preservation cotton and the rifle nail supports and lean on, consequently the firing pin also needs increase length, but the firing pin overlength can reduce the intensity of firing pin, at the in-process of striking, breaks easily and damages, has reduced the life-span of firing pin.

Further, the electric nail gun comprises a motor and a driving wheel connected with the motor, the firing pin is provided with a driving tooth part which is used for being meshed with the driving wheel, and in the process of rotating the motor, the movement energy storage of the firing pin is realized through the meshed transmission of the driving wheel and the tooth part; therefore, in the process of extending and striking the gun nail, the tooth part on the firing pin cannot extend into the extension part of the gun nozzle, so that the length of the front end of the firing pin needs to be further increased, the strength of the firing pin is further reduced, and in the striking process, the firing pin is more easily broken and damaged, and the service life of the firing pin is further reduced.

Disclosure of Invention

The present utility model has been made to solve the above problems, and an object of the present utility model is to provide a heat insulation cotton nail gun using lithium electricity as power, for improving the strength and the service life of a firing pin.

A thermal insulation cotton nail gun powered by lithium electricity, comprising:

the gun nozzle component is arranged at the front end of the nail gun main body; and

the gun nozzle extension part is arranged at the front end of the gun nozzle part;

the gun nozzle extension part comprises an extension part and a mounting part, one end of the extension part is used for propping against the thermal insulation gun nail, the mounting part is used for being connected with the gun nozzle part, a channel for the firing pin to shoot and retract is arranged in the gun nozzle extension part,

wherein, the installation department is equipped with the dodge mouth of axial extension for dodge the tooth portion on the firing pin.

Preferably, the utility model also comprises a limiting pin,

the side part of the mounting part is provided with a limit groove, the gun nozzle part is provided with a pin hole, and the limit pin penetrates through the pin hole and is inserted into the limit groove.

Preferably, wherein the pin holes comprise a first pin hole and a second pin hole, the limiting pin sequentially penetrates through the first pin hole and the second pin hole,

the pin sleeve is arranged at the position of the second pin hole and is used for being fixedly connected with the limiting pin.

Preferably, the outer side wall of the mounting part is in a cylindrical shape, the nozzle part is provided with a circular mounting hole, and the mounting part is inserted into the circular mounting hole;

the side wall of the limit groove is a plane and is contacted with the side wall of the limit pin,

the two limiting grooves are respectively arranged on two sides of the mounting part, and the two limiting pins are respectively inserted into the two limiting grooves.

Preferably, the outer diameter of the extension part is smaller than that of the mounting part, an abutting part is arranged between the mounting part and the extension part, the abutting part is a convex ring which is convex outside, the diameter of the abutting part is larger than that of the mounting part,

further comprises: the triggering component is sleeved on the mounting part at one end and is propped against the outer side of the propping part,

the outside of the gun nozzle part is provided with a spring abutting part, one spring is sleeved on the outside of the gun nozzle part, one end of the spring abuts against the spring abutting part, and the other end abuts against the trigger assembly.

Preferably, the diameter of the section of the abutment portion connected to the extension portion is gradually reduced in a direction approaching the extension portion.

Preferably, the limiting groove comprises a first limiting position and a second limiting position, the limiting pin is located on the first limiting position when the triggering component is not triggered, and the limiting pin is located on the second limiting position when the triggering component is triggered.

Preferably, the outer side wall of the mounting part is in a polygonal column shape, the gun nozzle part is provided with a polygonal column-shaped mounting hole matched with the mounting part, and the mounting part is inserted into the mounting hole to enable the gun nozzle part to be connected with the gun nozzle extension part.

Preferably, the triggering component comprises a connecting plate, and one end of the connecting plate is sleeved on the mounting part and abuts against the abutting part; the sensor is characterized by further comprising a moving rod, wherein one end of the moving rod is connected with the connecting plate, and the other end of the moving rod is used for triggering the sensor; the sensor is mounted on the gun nozzle assembly.

Preferably, the connection plate is provided in an L-shape.

Compared with the prior art, the utility model has the beneficial effects that:

1. because be equipped with on the rifle mouth extension part and dodge the mouth, can provide enough space of dodging for the tooth on the firing pin, consequently increased the stroke of moving of firing pin, because the distance that the firing pin impinged the rifle nail is fixed, consequently only need the shorter firing pin just can satisfy the striking rifle nail, so reduced the length of firing pin to the shorter firing pin has stronger impact strength, and then is difficult for breaking and damaging, and then has increased the life of firing pin.

2. Because of the arrangement of the limiting groove and the limiting pin, the gun nozzle extension part can be more stably arranged in the gun nozzle part, so that the gun nozzle extension part cannot be separated from the gun nozzle part; further, both sides of installation department all are equipped with the spacing groove to the lateral wall of spacing groove is the plane, and the cooperation of spacing groove and spacer pin makes rifle mouth extension part unable circumferential direction take place, that is to say, when the firing pin stretches out, has avoided the tooth to insert the condition of dodging the mouth.

3. Because the outer side wall of the mounting part is in a polygonal columnar shape, the gun nozzle part is provided with a polygonal columnar shape matched with the mounting part; the gun nozzle extension part cannot rotate circumferentially, that is, when the firing pin stretches out, the situation that the tooth part cannot be inserted into the avoidance port is avoided.

4. Because the setting of trigger subassembly and spring has realized that rifle mouth extends the part and contradicts on the rifle nail, can trigger the circuit switch of motor voluntarily, and then the trigger is pulled again and can be realized penetrating the nail, when having ensured the safety of penetrating the nail, also makes trigger structure simpler, does not need the extension to trigger the structure.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a heat insulation cotton nail gun powered by lithium electricity in an embodiment;

FIG. 2 is an enlarged schematic view of a portion of FIG. 1 at A;

FIG. 3 is an exploded view of a part of a thermal insulation cotton nail gun powered by lithium electricity in an embodiment;

FIG. 4 is an enlarged partial schematic view of FIG. 3;

FIG. 5 is a schematic view of the structure of the gun nozzle extension member in the embodiment;

FIG. 6 is a cross-sectional view of a gun nozzle extension in an embodiment;

FIG. 7 is a schematic view of the structure of the firing pin in the embodiment when not fired;

FIG. 8 is a schematic view of the structure of the gun nozzle extension in an embodiment when activated;

fig. 9 is a schematic view of the structure after the striker is released in the embodiment.

Reference numerals illustrate: 1-a handle; 2-a nail gun body; 10-gun nozzle parts; 100 heat preservation gun nails; 11-pin holes; 12-mounting holes; 20-gun nozzle extension parts; 21-an extension; 22-mounting part; 221-avoiding port; 222-a limit groove; 223-a first limit bit; 224-a second limit bit; 23-an abutment; 30-firing pin; 31-tooth; 40-limiting pins; 50-pin sleeves; a 60-trigger assembly; 61-connecting plates; 62-moving the rod; 63-a sensor; 70-a spring; 80-fastening sleeve.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 9 of the embodiments of the present utility model, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it is to be understood that: the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.

Examples:

as shown in fig. 1, 3, 4, 5, and 6: a heat-insulating cotton nail gun taking lithium electricity as power comprises a handle 1, a power supply and a nail gun main body 2, wherein a power switch is arranged on the handle 1, and the power supply is used for supplying power to the whole device.

As shown in fig. 1-4: the electric nail gun further includes: the gun nozzle piece 10, gun nozzle extension 20, striker 30, stop pin 40, pin sleeve 50, and trigger assembly 60;

the gun nozzle 10 is mounted at the front end of the nail gun body 2; a gun nozzle extension 20 is mounted at the forward end of the gun nozzle 10; the gun nozzle extension part 20 comprises an extension part 21 and a mounting part 22, one end of the extension part 21 is used for propping against the thermal insulation gun nail 100 (refer to fig. 9), the mounting part 22 is used for being connected with the gun nozzle part 10, a channel for the firing pin 30 to shoot out and retract is arranged in the gun nozzle extension part 20, and an axially extending avoidance opening 221 is arranged on the mounting part 22 and used for avoiding the tooth part 31 on the firing pin 30.

When the nail gun of this embodiment is in use, the setting of dodging the mouth 221 provides enough dodging the space for tooth portion 31 on the firing pin 30, makes firing pin 30 can get into extension 21, has increased the displacement stroke of firing pin 30, and the distance that firing pin 30 impacted heat preservation rifle nail 100 is fixed, so use shorter firing pin 30 can reach required striking effect, reduced the length of firing pin 30, and shorter firing pin 30 has higher impact strength, is difficult for the breakage in the use, has also increased the life of firing pin 30 simultaneously.

As shown in fig. 2, 4 and 5: the side portion of the mounting portion 22 is provided with a limiting groove 222, the gun nozzle 10 is provided with a pin hole 11, and the limiting pin 40 is inserted into the limiting groove 222 through the pin hole 11.

In use, the pin holes 11 are provided for mounting the stop pins 40, and the stop movement of the gun nozzle extension part 20 is realized through the stop pins 40, so that the gun nozzle extension part 20 can be more stably mounted in the gun nozzle part 10, and the gun nozzle extension part 20 is prevented from being separated from the gun nozzle part 10 when the firing pin 30 impacts the heat preservation gun nail 100.

As shown in fig. 3 and 4: the pin hole 11 includes a first pin hole and a second pin hole, through which the stopper pin 40 passes in sequence,

the pin bushing 50 is installed at the position of the second pin hole for fastening connection with the stopper pin 40.

Specifically, the pin sleeve 50 is made of polyurethane material, the texture is softer, the pin sleeve 50 can be quickly installed on the second pin hole, the pin sleeve 50 can be quickly removed, the limiting pin 40 can be quickly installed and removed, and the gun nozzle extension part 20 can be quickly installed and removed; in addition, the pin bushing 50 can provide a cushioning effect when the limit pin 40 abuts against the edge of the limit slot 222.

As shown in fig. 3-6: the outer side wall of the mounting part 22 is in a cylindrical shape, the gun nozzle part 10 is provided with a circular mounting hole 12, and the mounting part 22 is inserted into the circular mounting hole 12;

the side wall of the limit groove 222 is a plane, contacts with the side wall of the limit pin 40,

the two limiting grooves 222 are respectively provided on both sides of the mounting portion 22, and the two limiting pins 40 are respectively inserted into the two limiting grooves 222.

During the use, the lateral wall of spacing groove 222 sets up to the plane to with the lateral wall sliding connection of spacer pin 40, the spacing groove 222 is limited in its lateral wall with spacer pin 40 and slides, make the unable circumference rotation of taking place of gun mouth extension part 20, specific tooth portion 31 that can guarantee on the firing pin 30 aligns with dodging the mouth 221, tooth portion 31 can accurately enter into dodging the mouth 221 when guaranteeing the firing pin 30 release, and both sides at installation department 22 all set up spacing groove 222, and set up two spacer pins 40, also increased gun mouth extension part 20 and gun mouth piece 10 installation complex stability, further prevent gun mouth extension part 20 to take place circumference rotation, and installation department 22 and mounting hole 12 carry out the adaptation installation in the shape, also in order to prevent taking place circumference rotation between gun mouth extension part 20 and the gun mouth piece 10, cooperation spacer pin 40 and the setting of spacing groove 222, the setting of guaranteeing that tooth portion 31 can be accurate on the whole can enter into dodging the mouth 221, guarantee smoothly through setting up the realization of dodging mouth 221, increase 30 travel smoothly.

As shown in fig. 3-6: the outer diameter of the extension portion 21 is smaller than that of the mounting portion 22, an abutting portion 23 is arranged between the mounting portion 22 and the extension portion 21, the abutting portion 23 is a convex ring protruding outwards, the diameter of the abutting portion 23 is larger than that of the mounting portion 22, one end of the trigger assembly 60 is sleeved on the mounting portion 22 and abuts against one side of the abutting portion 23, a spring abutting portion is arranged on the outer side of the gun nozzle 10, a spring 70 is sleeved on the outer side of the gun nozzle 10, one end abuts against the spring abutting portion, and the other end abuts against the trigger assembly 60.

Referring to fig. 7, when the nail gun is not in use, i.e., no nail is fired, the limit pin 40 is positioned on the upper side wall of the limit groove 222; referring to fig. 8, after the gun nozzle extension member 20 abuts against the gun nail, the gun nozzle extension member 20 moves upward, moving the compression spring 70 with the trigger assembly 60, and when the stopper pin 40 is positioned at the lower side wall of the stopper groove 222, it is in a state of being ready to release the striker 30; referring to fig. 9, the firing pin is released and after the stapling is completed, the gun nozzle extension 20 and trigger assembly 60 are reset by the spring 70 (see fig. 7).

As shown in fig. 5-6: wherein, a section of the abutting part 23 connected with the extension part gradually reduces in diameter in the direction approaching the extension part 21; further, the diameter reduction tendency thereof extends in a circular arc shape, that is, referring to fig. 6, the sectional profile of this position is a circular arc shape.

In use, in order to prevent the connection between the abutting portion 23 and the extension portion 21 from breaking, that is to say, to avoid local stress on the abutting portion 23, to prevent the connection from breaking due to uneven force transmission, so as to improve the stress strength of the abutting portion 23.

As shown in fig. 7-9: the limiting groove 222 includes a first limiting position 223 and a second limiting position 224, and when the trigger assembly 60 is not triggered, the limiting pin 40 is located on the first limiting position 223 (refer to fig. 7), and when the trigger assembly 60 is triggered, the limiting pin 40 is located on the second limiting position 224 (refer to fig. 8).

As shown in fig. 3-4: the triggering component 60 comprises a connecting plate 61, and one end of the connecting plate 61 is sleeved on the mounting part 22 and abuts against the abutting part 23; the device further comprises a moving rod 62, wherein one end of the moving rod 62 is connected with the connecting plate 61, and the other end of the moving rod is used for triggering the sensor 63; the sensor 63 is mounted on the gun nozzle 10.

When the gun nozzle extension part 20 moves, the connecting plate 61 abutting against the abutting part 23 moves along, the moving rod 62 is driven to move upwards, the moving rod 62 slides in the sensor 63, and when the limiting pin 40 reaches the first limiting position 223, the gun nozzle extension part 20, the connecting plate 61 and the moving rod 62 stop moving; after the energy storage device releases the firing pin 30, the gun nozzle extension part 20 is reset under the action of the spring 70, and the connecting plate 61 and the moving rod 62 move in a following way; when the striker 30 is released, the striker 30 enters the extension 21 of the gun nozzle extension 20, completing the precise impact on the insulated gun nail 100, resulting in a large penetration force of the insulated gun nail 100 and penetration of the nail into the target.

As shown in fig. 3-4: the connection plate 61 is provided in an L-shape.

In use, the connection plate 61 is provided with an L shape, which ensures that the moving direction and distance are the same as those of the gun nozzle extension part 20, can accurately feed back the moving effect of the gun nozzle extension part 20 to the sensor 63, and then confirm the timing of release firing pin 30, promptly with the timing of guaranteeing to pull the trigger again, guarantee the accurate differentiation of this application user state, when having ensured the safety of penetrating the nail, also make trigger structure simpler, do not need to extend trigger structure.

Working principle: in use, the handle 1 is held by hand, the power switch is turned on, the port of the extension part 21 is inserted into the fastening sleeve 80, and the thermal insulation gun nail 100 is aligned, the end part of the thermal insulation gun nail 100 enters into the extension part 21, at this time, the limit pin 40 is at the second limit position 224 (refer to fig. 7), the gun nozzle extension part 20 is moved upwards relative to the gun nozzle part 10 by means of the gravity of the whole device and the pressing force of the hand, the compression spring 70 is pressed, the L-shaped connection plate 61 abutting against the convex ring moves along with the gun nozzle extension part 20, then the movement rod 62 is carried out, the movement rod 62 slides in the sensor 63, when the limit pin 40 reaches the first limit position 223, the gun nozzle extension part 20, the connection plate 61 and the movement rod 62 stop moving (refer to fig. 8), at this time, the switch on the handle 1 is pressed, the circuit where the energy storage device is located is closed, the firing pin 30 is released, the gun nozzle extension part 20 is released into the extension part 21 of the gun nozzle extension part 20, the accurate impact on the thermal insulation gun nail 100 is completed, the penetration force obtained by the gun nail 100 is huge, and the gun nail enters into the target of the target (refer to fig. 9); after the nailing is completed, the gun nozzle extension member 20 is reset by the spring 70, and the connection plate 61 and the moving lever 62 are reset following the movement (return to the state of fig. 7).

The present embodiment is not limited thereto, and the outer side wall of the mounting portion 22 may be a polygonal column shape, and the nozzle member 10 may be provided with a polygonal column-shaped mounting hole matching the mounting portion 22, and the mounting portion 22 may be inserted into the mounting hole to connect the nozzle member 10 with the nozzle extension member 20. In this way, circumferential rotation between the nozzle extension 20 and the nozzle 10 is also avoided.

While the basic principles and main features of the present technical solution and advantages of the present technical solution have been shown and described above, it will be apparent to those skilled in the art that the present technical solution is not limited to the details of the above-described exemplary embodiments, and that the present technical solution can be implemented in other specific forms without departing from the spirit or essential features of the present technical solution. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to specific embodiments, and that the embodiments described in the examples can be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

Claims (10)

1. A use cotton nail gun of heat preservation of lithium electricity as power, its characterized in that includes:

a gun nozzle member (10) mounted at the front end of the nail gun main body; and

a gun nozzle extension member (20) mounted on the front end of the gun nozzle member (10);

the gun nozzle extension part (20) comprises an extension part (21) and a mounting part (22), one end of the extension part (21) is used for propping against the heat preservation gun nail (100), the mounting part (22) is used for being connected with the gun nozzle part (10), a channel for the firing pin (30) to shoot and retract is arranged in the gun nozzle extension part (20),

wherein the mounting part (22) is provided with an axially extending escape opening (221) for escaping the tooth part (31) on the striker (30).

2. The lithium-ion powered insulating cotton nailer of claim 1, wherein:

also comprises a limiting pin (40),

the gun nozzle is characterized in that a limit groove (222) is formed in the side portion of the mounting portion (22), a pin hole (11) is formed in the gun nozzle component (10), and the limit pin (40) penetrates through the pin hole (11) and is inserted into the limit groove (222).

3. The lithium-ion powered insulating cotton nailer of claim 2, wherein:

wherein the pin hole (11) comprises a first pin hole and a second pin hole, the limiting pin (40) sequentially penetrates through the first pin hole and the second pin hole,

the pin sleeve (50) is arranged at the position of the second pin hole and is used for being fixedly connected with the limiting pin (40).

4. The lithium-ion powered insulating cotton nailer of claim 2, wherein:

the outer side wall of the mounting part (22) is in a cylindrical shape, the gun nozzle component (10) is provided with a circular mounting hole (12), and the mounting part (22) is inserted into the circular mounting hole (12);

the side wall of the limit groove (222) is a plane and is contacted with the side wall of the limit pin (40),

the two limiting grooves (222) are respectively arranged on two sides of the mounting part (22), and the two limiting pins (40) are respectively inserted into the two limiting grooves (222).

5. The lithium-ion powered thermal insulation cotton nailer of claim 4, further comprising: a trigger component (60), one end of the trigger component (60) is sleeved on the mounting part (22) and is abutted against the extension part (21),

the outside of rifle mouth part (10) is equipped with spring abutment portion, and a spring (70) cover is established in the outside of rifle mouth part (10) to one end is supported on installation department (22), and the other end is supported on trigger assembly (60).

6. The lithium-ion powered insulating cotton nailer of claim 5, wherein:

wherein the outer diameter of the extension part (21) is smaller than the outer diameter of the mounting part (22), an abutting part (23) is arranged between the mounting part (22) and the extension part (21), the abutting part (23) is a convex ring protruding outwards, and the diameter of the abutting part (23) is larger than the diameter of the mounting part (22);

the trigger assembly (60) abuts against one side of the abutment (23), and the spring (70) abuts against the spring abutment.

7. The lithium-ion powered insulating cotton nailer of claim 5, wherein: wherein a section of the abutting portion (23) connected to the extension portion (21) is gradually reduced in diameter in a direction approaching the extension portion (21).

8. The lithium-ion powered insulating cotton nailer of claim 5, wherein: the limiting groove (222) comprises a first limiting position (223) and a second limiting position (224), when the triggering component (60) is not triggered, the limiting pin (40) is located on the first limiting position (223), and after the triggering component (60) is triggered, the limiting pin (40) is located on the second limiting position.

9. The lithium-ion powered insulating cotton nailer of claim 5, wherein: the gun nozzle member (10) is provided with a polygonal columnar mounting hole (12) matched with the mounting portion (22), and the mounting portion (22) is inserted into the mounting hole (12) to connect the gun nozzle member (10) with the gun nozzle extension member (20).

10. The lithium-ion powered insulating cotton nailer of claim 9, wherein: the triggering assembly (60) comprises a connecting plate (61), and one end of the connecting plate (61) is sleeved on the mounting part (22) and abuts against the abutting part (23);

the device also comprises a moving rod (62), wherein one end of the moving rod (62) is connected with the connecting plate (61), and the other end of the moving rod is used for triggering the sensor (63);

the sensor (63) is mounted on the gun nozzle part (10);

the connection plate (61) is provided in an L-shape.