阅读说明：本技术 一种内驱式螺母驱动器 (Internal drive type nut driver ) 是由 路娜 于 2021-08-12 设计创作，主要内容包括：本发明公开了一种内驱式螺母驱动器,包括驱动轮,驱动轮上设有中心孔,中心孔的孔径大于待旋动螺母的外径,中心孔的内周面与螺母的外周面摩擦传动,驱动螺母沿螺杆旋转移动,螺母驱动器体积小、造价极其低廉,方便携带,能够对任意型号的螺母进行装配,装配速度快,驱动器能够快速与螺母以及螺杆分离,提高装配速度与效率。(The invention discloses an internal drive type nut driver which comprises a driving wheel, wherein a central hole is formed in the driving wheel, the aperture of the central hole is larger than the outer diameter of a nut to be rotated, the inner peripheral surface of the central hole and the outer peripheral surface of the nut are in friction transmission, the nut is driven to rotate along a screw rod, the nut driver is small in size, extremely low in manufacturing cost, convenient to carry, capable of assembling nuts of any type, high in assembling speed, capable of being quickly separated from the nut and the screw rod, and capable of improving assembling speed and efficiency.)

1. An internal drive nut driver, characterized by: the nut screwing device is characterized by comprising a driving wheel (1), wherein a center hole (11) is formed in the driving wheel (1), the aperture of the center hole (11) is larger than the outer diameter of a nut to be screwed, the inner circumferential surface of the center hole (11) and the outer circumferential surface or the end surface edge of the nut are in friction transmission, and the nut is driven to rotate along a screw rod.

2. The internal drive nut driver according to claim 1, further comprising: the clamping rod (2) is arranged on the driving wheel (1), and the clamping rod (2) and the driving wheel (1) are coaxially arranged.

3. An internal drive nut driver according to claim 2 in which: the front end of the clamping rod (2) is provided with a stop ring (21).

4. An internal drive nut driver according to claim 3 in which: the periphery of the stop ring (21) extends forwards to form a support cylinder (22), and the inner circumferential surface of the support cylinder (22) is attached to the outer circumferential surface of the driving wheel (1).

5. An internal drive nut driver according to claim 4 in which: the front end of the driving wheel (1) is provided with a folding edge (12), and the inner circumferential surface of the folding edge (12) is attached to the outer circumferential surface of the supporting cylinder (22).

6. An internal drive nut driver according to claim 2 in which: the clamping rods (2) are integrally connected with the driving wheel (1).

7. An internal drive nut driver according to claim 2 in which: the clamping rod (2) is detachably connected with the driving wheel (1).

8. The internal drive nut driver according to claim 1, further comprising: and a reinforcing mechanism (3) is arranged on the driving wheel (1).

9. The internal drive nut driver according to claim 8, further comprising: the reinforcing mechanism (3) comprises a supporting sleeve (31), the supporting sleeve (31) is sleeved on the driving wheel (1), and the inner circumferential surface of the supporting sleeve (31) is attached to the outer circumferential surface of the driving wheel (1).

10. The internal drive nut driver according to claim 9, wherein: and a driven part (32) in transmission fit with the power mechanism is arranged on the support sleeve (31).

Technical Field

The invention relates to the technical field of nut and screw assembly, in particular to an internal drive type nut driver.

Background

Traditional nut mode of screwing generally all operates with the help of the spanner, and this kind of mounting means is inefficiency not only, and installation time is long, needs manual operation moreover, has the technical defect who wastes time and energy and take a lot of work, operates when not proper, not only can influence assembly quality, still can cause certain injury to operating personnel.

Although some nut tightening devices in the prior art can also replace a wrench to tighten a nut, they often have some problems of large volume, complex structure, difficult operation, etc., for example, patent number ZL201811251452.1 discloses a screw assembling device, which can assemble a nut and a screw rod, but has some disadvantages:

1. the volume is large, the structure is complex, the carrying is inconvenient, and the manufacturing cost is high;

2. nuts of different models are assembled, and need to be adjusted additionally, so that the operation difficulty is improved;

3. the nut is assembled on the screw rod by driving the end face of the nut, so that the inlet of the screw rod is too small, the screw rod needs to be relatively parallel to the inlet when being pulled out from the inlet, the operation difficulty is improved, and the rear end of the screw rod is easy to hurt a human body due to misoperation;

4. only unfixed screws can be assembled, and the application range is greatly restricted.

Therefore, it is an urgent need to solve the problem of providing a device that is small in size, simple in structure, portable, and capable of tightening a nut quickly.

Disclosure of Invention

The invention aims to solve the technical problem of providing an internal drive type nut driver aiming at the current situation of the prior art, and the nut driver has the advantages of small volume, extremely low manufacturing cost, convenience in carrying, capability of assembling nuts of any type, high assembling speed, capability of quickly separating the driver from the nuts, larger central hole diameter, high operation safety and improvement on assembling speed and efficiency.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an internal drive type nut driver comprises a driving wheel, wherein a central hole is formed in the driving wheel, the aperture of the central hole is larger than or equal to the outer diameter of a nut to be rotated, the inner circumferential surface of the central hole is in friction transmission with the outer circumferential surface or the end face edge of the nut, and the driving nut moves in a rotating mode along a screw rod.

In order to optimize the technical scheme, the adopted measures further comprise:

the driving wheel is provided with a clamping rod, and the clamping rod and the driving wheel are coaxially arranged.

The front end of the clamping rod is provided with a resisting ring, and the front end surface of the resisting ring is propped against the rear end surface of the driving wheel.

The periphery of the resisting ring extends forwards to form a supporting cylinder, and the inner circumferential surface of the supporting cylinder is attached to the outer circumferential surface of the driving wheel.

The front end of the driving wheel is provided with a folded edge, and the inner circumferential surface of the folded edge is attached to the outer circumferential surface of the supporting cylinder.

The clamping rods are integrally connected with the driving wheel.

The clamping rods are detachably connected with the driving wheel.

The rear end of foretell drive wheel is equipped with the linkage hole, and the one end of supporting rod is equipped with linkage portion, and the front end of linkage portion is equipped with protruding fender, and the rear end of linkage portion is equipped with the screw thread section, is equipped with the fixed head on the screw thread section, and the drive wheel realizes axial spacing through protruding fender and fixed head.

The driving wheel is provided with a reinforcing mechanism.

The reinforcing mechanism comprises a supporting sleeve, the supporting sleeve is sleeved on the driving wheel, and the inner circumferential surface of the supporting sleeve is attached to the outer circumferential surface of the driving wheel.

The support sleeve is provided with a driven part which is in transmission fit with the power mechanism.

The internal drive type nut driver comprises a driving wheel, wherein a central hole is formed in the driving wheel, the aperture of the central hole is larger than the outer diameter of a nut to be rotated, the inner peripheral surface of the central hole and the outer peripheral surface of the nut are in friction transmission, the nut is driven to rotate along a screw rod, the nut driver is small in size, extremely low in manufacturing cost, convenient to carry, capable of assembling nuts of any type, high in assembling speed, capable of being quickly separated from the nut and the screw rod, and capable of improving assembling speed and efficiency.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention;

FIG. 2 is a schematic diagram of a retaining ring structure according to a first embodiment of the present invention;

FIG. 3 is a cross-sectional view of a first embodiment of the present invention;

FIG. 4 is a schematic view of a folded edge structure according to a first embodiment of the present invention;

FIG. 5 is a cross-sectional view of a second embodiment of the present invention;

FIG. 6 is a cross-sectional view of a third embodiment of the present invention;

FIG. 7 is a cross-sectional view of a fourth embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a fourth embodiment of the present invention;

fig. 9 is a schematic view of a wire structure according to a fourth embodiment of the present invention.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 9 are schematic structural views of the present invention.

Wherein the reference numerals are: the device comprises a driving wheel 1, a central hole 11, a folded edge 12, a linkage hole 13, a clamping rod 2, a stop ring 21, a support cylinder 22, a linkage part 23, a convex block 24, a fixed head 25, a reinforcing mechanism 3, a support sleeve 31, a driven part 32 and a metal wire 4.

The invention is described in further detail below with reference to the attached drawing figures:

the first embodiment is as follows:

as shown in figures 1 to 4 of the drawings,

an internal drive type nut driver comprises a driving wheel 1, wherein the driving wheel 1 can be made of rubber, silica gel, polyvinyl chloride or polyurethane and the like, and has the characteristics of wear resistance and elasticity, a central hole 11 is formed in the driving wheel 1, the central hole 11 can be a through hole or a non-through hole, the hole diameter of the central hole 11 is selected according to requirements and is larger than or equal to the outer diameter of a nut to be rotated, the nut can enter the central hole 11, the inner peripheral surface of the central hole 11 and the outer peripheral surface or the end surface edge of the nut are in friction transmission, the inner peripheral surface of the central hole 11 of the driving wheel 1 has a certain friction coefficient, the nut can be driven by friction to drive, the driving nut rotates and moves along a screw rod, and the nut with the outer diameter smaller than the hole diameter of the central hole 11 can be driven as long as the nut with the outer diameter smaller than the hole diameter of the central hole 11 is far larger than the nut to be rotated, and the nut of any type can be assembled, in the assembling process, as long as the nut is in contact with the central hole 11, the nut can be driven, so that the requirement on an operation method is low, the operation difficulty is avoided, the central hole 11 is large, the screw rod is difficult to touch the inner peripheral surface of the central hole 11, the nut driver is small in size, extremely low in manufacturing cost, convenient to carry and high in assembling speed, the driver can be quickly separated from the nut and the screw rod, and the assembling speed and the assembling efficiency are improved.

Be equipped with supporting rod 2 on the drive wheel 1, supporting rod 2 makes things convenient for the centre gripping with the coaxial setting of drive wheel 1.

The front end of the clamping rod 2 is provided with a stop ring 21, and in fig. 2, the front end surface of the stop ring 21 abuts against the rear end surface of the driving wheel 1.

The periphery of the stop ring 21 extends forward to form a support cylinder 22, in fig. 3, the inner circumferential surface of the support cylinder 22 is attached to the outer circumferential surface of the driving wheel 1, the support cylinder 22 is used for supporting the driving wheel 1, the thickness of the driving wheel 1 is reduced, the weight is reduced, the driving wheel 1 is not easy to deform, the driving wheel 1 is more stable in the rotating process, an adhesive can be used for bonding the driving wheel 1 and the inner circumferential surface of the support cylinder 22, and the interference fit or the integrated combination (the injection molding combination method) can also be used.

The front end of drive wheel 1 is formed with hem 12, as in fig. 4, the inner peripheral surface of hem 12 pastes with the outer peripheral face of a support section of thick bamboo 22 mutually, the outer peripheral face of hem 12 and the outer peripheral face or the terminal surface edge friction transmission of nut, drive nut along screw rod swivelling movement, drive wheel 1 rotates, the drive nut that does not stop is rotatory, thereby make the nut along the position that screw rod fast revolution moved to needs, at rotatory in-process, the nut produces the collision with drive wheel 1, the vibration that the nut can produce, thereby the nut card dead phenomenon has been avoided, can vibrate with adnexed part debris or rust on the screw rod down at the vibrational force effect simultaneously, guarantee that the nut is rotatory smoothly.

The working principle and the using method of the embodiment are as follows:

in reality, the end of the screw is generally processed by chamfering, when in assembly, the screw is inserted into the screw hole of the nut and can enter a certain length, so that the nut can be lifted, and the nut can be driven by the driving wheel 1 to rotate along the screw only by contacting the outer peripheral surface or the end surface edge of the nut with the inner peripheral surface of the central hole 11; when the distance between the nut and the screw is long, the peripheral surface of the folded edge 12 and the peripheral surface or the end surface edge of the nut are in friction transmission, the driving wheel 1 drives the nut to rotate, the nut moves along the screw in a rotating mode, the nut is rotated to a preset position according to requirements, and assembly is completed.

Example two:

as shown in fig. 5, in this embodiment, an internal drive nut driver includes a driving wheel 1, a central hole 11 is formed in the driving wheel 1, an aperture of the central hole 11 is larger than an outer diameter of a nut to be rotated, an inner circumferential surface of the central hole 11 and an outer circumferential surface of the nut are in friction transmission, and the driving nut rotates along a screw rod.

Be equipped with supporting rod 2 on the drive wheel 1, supporting rod 2 sets up with drive wheel 1 is coaxial.

The clamping rod 2 is integrally connected with the driving wheel 1, and the manufacturing is convenient.

Example three:

as shown in fig. 6, the nut driver of the present embodiment has substantially the same structure as the nut driver of the second embodiment, except that the clamping bar 2 is detachably connected to the driving wheel 1 in the present embodiment.

The rear end of drive wheel 1 is equipped with linkage hole 13, and the one end of supporting rod 2 is equipped with linkage portion 23, and the preceding tip of linkage portion 23 is equipped with protruding fender 24, and the rear end of linkage portion 23 is equipped with the screw thread section, is equipped with fixed head 25 in the screw thread section, and drive wheel 1 realizes axially spacingly through protruding fender 24 and fixed head 25, and the mode of can dismantling the connection is many, and the explanation is not for one example only.

Example four:

as shown in fig. 7 to 9, in this embodiment, an internal drive nut driver includes a driving wheel 1, a central hole 11 is formed in the driving wheel 1, an aperture of the central hole 11 is larger than an outer diameter of a nut to be screwed, an inner circumferential surface of the central hole 11 and an outer circumferential surface of the nut are in friction transmission, and the driving nut moves along a screw in a rotating manner.

The driving wheel 1 is provided with a reinforcing mechanism 3.

As shown in fig. 7 and 8, the reinforcing mechanism 3 includes a support sleeve 31, the support sleeve 31 is fitted over the driving wheel 1, and an inner circumferential surface of the support sleeve 31 is in contact with an outer circumferential surface of the driving wheel 1.

The support sleeve 31 is provided with a driven part 32 which is in transmission fit with the power mechanism.

As shown in fig. 9, the reinforcing mechanism 3 is a metal wire 4, the metal wire 4 is integrally formed with the driving wheel 1, the metal wire 4 supports the driving wheel 1, the strength is increased, the driving wheel 1 is prevented from deforming, and the driving wheel 1 is provided with a driven part in transmission fit with the power mechanism.

The drive of this embodiment, being of tubular construction, does not limit the length of the screw that enters the central bore 11.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.