CN210757414U - Miniaturized hand tool structure - Google Patents

Abstract

The utility model relates to a miniaturized hand tool structure includes: the switching body is provided with a poking rod for controlling the displacement of the first clamping module and the second clamping module, so that the strength and the stability of the screwing bolt and the screwing nut can be increased, and the practical effect of the structure volume can be reduced.

Description

Miniaturized hand tool structure

[ technical field ] A method for producing a semiconductor device

The utility model relates to a miniaturized hand tool structure belongs to hand tool technical field.

[ background of the invention ]

The spanner makes a common hardware and tools, it is used for assembling or dismantles the nut, hardware connection spare such as bolt, in order to satisfy the needs of different use occasions, people utility model discloses a spanner of various forms, ratchet spanner wherein is exactly one kind and is used in order to satisfy narrow and small space such as car repair, current ratchet spanner's basic structure includes a handle, there is a rotatable cover that rotates that has at the end connection of handle, be equipped with the rotor in the cover rotates, have on the rotor can with the nut, the bolt, or the telescopic connecting hole of box spanner is connected the connector, and be equipped with ratchet pawl structure between rotor and rotation cover.

When the ratchet-pawl mechanism is used, the connector of the rotating body is connected with the connecting hole of the nut, the bolt or the sleeve, then the handle is rotated in the forward direction, and at the moment, the ratchet-pawl mechanism acts, so that the rotating body can be driven to rotate through the rotating sleeve, and the screw, the nut and the like can be rotated in the forward direction; if the operation spanner rotates reversely, the rotating sleeve cannot provide reverse torque for the rotating body due to the action of the ratchet wheel and the pawl, and therefore idling is generated between the rotating sleeve and the rotating body.

The handle can be used for screwing the bolt, the nut and the like after being rotated and turned for a plurality of times, and the connector of the rotating body does not need to leave the screw head or the nut in the screwing process, so that the bolt, the nut and the like are greatly convenient to disassemble and assemble.

A ratchet spanner as chinese utility model patent publication CN106737304B, the shell body of regular polygon friction cavity, be located the holder of friction cavity and be located the friction cylinder of holder, be equipped with on the friction cylinder can with muffjoint's connector, the periphery of holder is equipped with friction element in the apex angle department that corresponds the friction cavity, stir the component drive holder at the friction cavity internal rotation, thereby make the outside of the friction element on the holder paste with the friction cavity, and friction element's inboard pastes with the friction cylinder in the holder and pastes and lean on. When the outer shell rotates, the outer shell extrudes the friction element to generate friction force, and then the friction cylinder and the connector can be driven to rotate; when the outer shell rotates reversely, the outer shell can rotate freely relative to the friction cylinder and the connector.

However, such a ratchet wrench is bulky, and when the ratchet wrench is used in an automobile interior or an electronic device in the automobile, the ratchet wrench is not easy to operate.

How to improve the problem that the operation is difficult in the existing structure belongs to the problem which is actively overcome by the technical personnel in the field.

[ Utility model ] content

The utility model aims to provide a: aiming at the defects and shortcomings of the prior art, a miniaturized hand tool structure is provided to solve the technical problems.

In order to achieve the above object, the utility model adopts the following technical scheme: a miniaturized hand tool structure comprises: the control body is provided with an accommodating cavity and at least one pull rod, and the center of the accommodating cavity is provided with a through shaft hole; the ratchet wheel body is arranged in the accommodating cavity of the control body and comprises at least one driving part, and a ratchet wheel is arranged on the outer ring surface of the ratchet wheel body; the switching body is arranged on the accommodating cavity, and the bottom surface of the switching body is provided with at least two poke rods for limiting the rotation direction; a first containing groove and a second containing groove are defined in the containing cavity, and the first containing groove and the second containing groove are connected through a first limiting part and a second limiting part; a first clamping module is arranged in the first accommodating groove, and a second clamping module is arranged in the second accommodating groove;

the first clamping module comprises two clamping blocks and a spring, the clamping blocks are meshed with the ratchet wheel of the ratchet wheel body, and the two clamping blocks are connected through the spring; the second clamping module comprises two clamping blocks and a spring, the clamping blocks are meshed with the ratchet wheel of the ratchet wheel body, and the two clamping blocks are connected through the spring;

the poke rod of the switching body is respectively connected with the first limiting part and the second limiting part in a sealing way and pushes and displaces the clamping block by the poke rods.

The utility model discloses in: the clamping block is provided with clamping teeth which are meshed with the ratchet teeth.

The utility model discloses in: the bottom surface of the switching body is provided with three clamping grooves, and the steel balls can be just embedded in the corresponding clamping grooves after the switching body rotates.

The utility model discloses in: the driving part at least comprises a groove, and the driving part penetrates through the shaft hole and then is buckled in the groove by a positioning piece, so that the driving body is limited on the control body.

The utility model discloses in: the opposite side of the driving part is provided with a linking part which is provided with a groove, and after the switching body covers the accommodating cavity, a positioning piece is buckled in the groove so as to enable the switching body to be linked with the ratchet wheel body.

The utility model discloses in: the bottom surface of the switching body is provided with a powerful magnet which is connected with the control body by magnetic force.

The utility model discloses in: a deflector rod is arranged between the control body and the switching body, a convex column linked with the switching body is arranged on the top surface of the deflector rod, at least one groove is arranged on the containing cavity, a steel ball and a reset spring are arranged in the groove, three clamping grooves are arranged on the bottom surface of the switching body, and the steel ball can be just embedded in the corresponding clamping groove after the switching body rotates after being pulled by the deflector rod.

After the structure is adopted, the utility model discloses beneficial effect does:

1. in the utility model, the first clamping module and the second clamping module are arranged in the containing cavity of the control body, the ratchet teeth of the ratchet body are meshed with the clamping block, and the switching body is provided with the poking rod for controlling the displacement of the clamping block, thereby increasing the strength and stability of the screwing bolt and the nut and simultaneously reducing the practical effect of the structure volume;

2. the utility model discloses only need first card module of pulling and second card module of pulling can control ratchet body and rotate, except reducing the structure volume, more can let this creation apply to the operation in constrictive space and do not produce the condition of interfering.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, do not constitute a limitation of the invention, and in which:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is an exploded schematic view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a diagram illustrating the usage status of the present invention;

fig. 5 is another state diagram of the present invention;

fig. 6 is a further usage state diagram of the present invention.

In the figure: 10. a control body; 11. an accommodating cavity; 111. a first accommodating groove; 112. a second accommodating groove; 113. a first limiting part; 114. a second limiting part; 12. a lever; 13. a first clamping module; 131. 132, a catch block; 133. a spring; 14. a second clamping module; 141. 142, a clamping block; 143. a spring; 131A, 132A, 141A, 142A, a latch; 15. a shaft hole; 16. a groove; 20. a ratchet body; 21. a drive section; 22. a ratchet gear; 23. a trench; 24. a joining section; 25. a trench; 30. switching the body; 31. a poke rod; 32. 33, 34, a card slot; 41. steel balls; 42. a return spring; 51. 52, positioning parts.

[ detailed description ] embodiments

The present invention is described in terms of specific embodiments, and those skilled in the art will appreciate that the present invention is capable of providing an energy-saving oil pressure control system and will readily understand the function and advantages of the present invention as disclosed herein. However, it will be understood by those skilled in the art that the present invention may be practiced without these specific details. Furthermore, no attempt is made to show structural or functional details of the embodiments in order not to obscure the description of the embodiments with unnecessary details, the description taken in conjunction with the drawings making apparent to those skilled in the art how the several forms of the embodiments may be embodied in practice.

The present invention will be described in terms of preferred embodiments and aspects to explain the structure of the invention, which is for illustrative purposes only and is not intended to limit the scope of the claims of the present invention.

The utility model relates to a miniaturized hand tool structure mainly includes: a control body 10, a ratchet body 20 and a switch body 30.

As shown in fig. 1 to 3, the control body 10 has a receiving cavity 11 and at least one trigger 12, and a through shaft hole 15 is disposed in the center of the receiving cavity 11.

As shown in fig. 1 to 3, the ratchet body 20 is installed in the accommodating cavity 11 of the control body 10, the ratchet body 20 includes at least one driving portion 21, and the ratchet wheel 22 is disposed on an outer circumferential surface of the ratchet body 20. With reference to fig. 2 to 3, the driving portion 21 at least includes a groove 23, and the driving portion 21 passes through the shaft hole 15 and then is fastened to the groove 23 by a positioning member 51, so that the driving body 20 is limited to the control body 10; the opposite side of the driving portion 21 is provided with a connecting portion 24, the connecting portion 24 is provided with a groove 25, and after the switching body 30 covers the accommodating cavity 11, a positioning member 52 is fastened in the groove 25 to further couple the switching body 30 with the ratchet body 20.

As shown in fig. 1 to 3, the switching body 30 is disposed on the accommodating cavity 11, and at least two poke rods 31 for limiting the rotation direction are disposed on the bottom surface of the switching body 30. Furthermore, the bottom surface of the switching body 30 can be selectively connected to the control body 10 by a strong magnet.

As shown in fig. 2 and 3, a first receiving groove 111 and a second receiving groove 112 are defined in the receiving cavity 11, and the first receiving groove 111 and the second receiving groove 112 are connected by a first limiting portion 113 and a second limiting portion 114; the first receiving groove 111 is provided therein with a first engaging module 13, and the second receiving groove 112 is provided therein with a second engaging module 14.

As shown in fig. 2 and 3, the first detent module 13 includes two detent blocks 131, 132 and a spring 133, and the detent blocks 131, 132 are engaged with the ratchet wheel 22 of the ratchet body 20 and the two detent blocks 131, 132 are connected through the spring 133; the second detent module 14 includes two detent blocks 141, 142 and a spring 143, and the detent blocks 141, 142 are engaged with the ratchet wheel 22 of the ratchet body 20 and the two detent blocks 141, 142 are connected through the spring 143. The catch blocks 131, 132, 141, 142 are provided with catch teeth 131A, 132A, 141A, 142A engaging the ratchet teeth 22.

As shown in fig. 2 and 3, the poke rod 31 of the switching body is respectively connected to the first position-limiting portion 113 and the second position-limiting portion 114, and the detent blocks 131, 132, 141, and 142 are pushed and displaced by the poke rods 31.

As shown in fig. 2 and 3, the accommodating cavity 11 of the control body 10 is provided with at least one groove 16, the groove 16 is provided with a steel ball 41 and a return spring 42, the bottom surface of the switching body 30 is provided with three slots 32, 33, 34, and the steel ball 41 can be just embedded in the corresponding slot 32, 33, 34 after the switching body 30 rotates.

Through the structure, the use mode and the provided efficacy are briefly described as follows:

1. as shown in fig. 4, the switching body 30 is adjusted to enable the steel ball 41 to be embedded in the middle slot 33, in this state, the toggle rod 31 does not push the locking blocks 131, 132, 141, 142, at this time, the first locking module 13 and the second locking module 14 can be pushed by the springs 133, 143 to move outward, so that the locking teeth 131A, 132A, 141A, 142A engage with the ratchet wheel 22 of the ratchet body 20, the ratchet body 20 can be driven to rotate by rotating the lever 32, the driving portion 21 or the engaging portion 24 can perform screwing or unscrewing operation on the bolt and the nut, and the using manner can be the same as that of a common hand tool without special training.

2. As shown in fig. 6, the switching body 30 is adjusted to rotate clockwise to embed the steel ball 41 in the slot 32, and the pulling rod 31 pushes the locking blocks 131, 141 to retract and move back, respectively, and the locking blocks 131, 141 compress one end of the springs 133, 143, so that the locking teeth 131A, 141A of the locking blocks 131, 141 are disengaged from the ratchet teeth 22 of the ratchet body 20, and the locking teeth 132A, 142A of the other locking blocks 132, 142 are continuously engaged with the ratchet teeth 22, when the control body 10 is operated to rotate counterclockwise, the symmetrically arranged locking blocks 132, 142 can be used to drive the ratchet body 20 to rotate, so as to greatly increase the operation torque and to perform the operation of assembling and disassembling the bolt and the nut, if the control body 10 rotates clockwise, an idle stroke in the opposite direction is formed.

3. As shown in fig. 5, the switching body 30 is adjusted to rotate counterclockwise to embed the steel ball 41 in the slot 34, and the pulling rod 31 pushes the locking blocks 132, 142 to retract and move back, respectively, and the locking blocks 132, 142 press the other ends of the springs 133, 143, so that the locking teeth 132A, 142A of the locking blocks 132, 142 are disengaged from the ratchet teeth 22 of the ratchet body 20, and the locking teeth 131A, 141A of the other locking blocks 131, 141 are continuously engaged with the ratchet teeth 22, when the control body 10 is operated to rotate counterclockwise, the symmetrically arranged locking blocks 131, 141 can be used to drive the ratchet body 20 to rotate, so as to greatly increase the operation torque and perform the operations of assembling and disassembling the bolt and the nut, when the control body 10 rotates counterclockwise, an idle stroke in the opposite direction is formed.

In some embodiments of the present disclosure, a shift lever (not shown) is disposed between the control body 10 and the switch body 30, a convex pillar (not shown) linked with the switch body 30 is disposed on a top surface of the shift lever, at least one groove 16 is disposed on the receiving cavity 11, a steel ball 41 and a return spring 42 are disposed in the groove 16, three slots 32, 33, 34 are disposed on a bottom surface of the switch body 30, and the steel ball 41 can be just embedded in the corresponding slots 32, 33, 34 after the shift lever is pulled by the shift lever after the switch body 30 rotates.

Therefore, the ratchet body 20 can drive the bolt and the nut to rotate by the braking mode of the first clamping module 13 and the second clamping module 14 which are symmetrically arranged, and moreover, compared with the prior art, the structure of the ratchet wheel can greatly simplify parts and structural volume required by the structure, so that the ratchet wheel can be operated and used in a narrow space.

The present invention shows the characteristics different from the conventional techniques in terms of the purpose, means and effect, and is a major breakthrough. It should be noted that the above-mentioned embodiments are only illustrative for explaining the principle and the efficacy of the present invention, and not for limiting the scope of the present invention. Although specific embodiments and applications of the present invention have been illustrated and described herein, it is not intended that such embodiments be limited to the exact construction and modifications as illustrated and described, as those skilled in the art can readily appreciate without departing from the spirit and scope of the present invention. It is also to be understood that the components disclosed herein and the various modifications, changes, extensions of arrangement, operations, details of the method, and apparatus and methods disclosed herein are not to be considered limiting, and are to be included within the scope of the claims, which are made apparent to those skilled in the art, without departing from the spirit and scope of the disclosure.

Claims (7)

1. A miniaturized hand tool structure comprises: a control body (10) which is provided with an accommodating cavity (11) and at least one pull rod (12), wherein the center of the accommodating cavity (11) is provided with a through shaft hole (15); the ratchet wheel body (20) is arranged in the accommodating cavity (11) of the control body (10), the ratchet wheel body (20) comprises at least one driving part (21), and the outer annular surface of the ratchet wheel body (20) is provided with a ratchet wheel (22); a switching body (30) which is configured on the accommodating cavity (11), and the bottom surface of the switching body (30) is provided with at least two poke rods (31) for limiting the rotation direction; the method is characterized in that:

a first containing groove (111) and a second containing groove (112) are defined in the containing cavity (11), and the first containing groove (111) and the second containing groove (112) are connected through a first limiting part (113) and a second limiting part (114); a first clamping module (13) is arranged in the first accommodating groove (111), and a second clamping module (14) is arranged in the second accommodating groove (112);

the first clamping module (13) comprises two clamping blocks (131, 132) and a spring (133), the clamping blocks (131, 132) are meshed with the ratchet wheel (22) of the ratchet wheel body (20), and the two clamping blocks (131, 132) are connected through the spring (133); the second clamping module (14) comprises two clamping blocks (141, 142) and a spring (143), the clamping blocks (141, 142) are meshed with the ratchet wheel (22) of the ratchet wheel body (20), and the two clamping blocks (141, 142) are connected through the spring (143);

the poke rod (31) of the switching body (30) is respectively connected with the first limit part (113) and the second limit part (114) in a sealing way, and the clamping blocks (131, 132, 141 and 142) are pushed and displaced by the poke rods (31).

2. The miniaturized hand tool structure of claim 1, wherein: the locking block (131) is provided with locking teeth (131A) meshed with the ratchet gear (22), the locking block (132) is provided with locking teeth (132A) meshed with the ratchet gear (22), the locking block (141) is provided with locking teeth (141A) meshed with the ratchet gear (22), and the locking block (142) is provided with locking teeth (142A) meshed with the ratchet gear (22).

3. The miniaturized hand tool structure of claim 1, wherein: the switching mechanism is characterized in that at least one groove (16) is formed in an accommodating cavity (11) of the control body (10), a steel ball (41) and a return spring (42) are arranged in the groove (16), three clamping grooves (32, 33 and 34) are formed in the bottom surface of the switching body (30), and the steel ball (41) can be just embedded in the corresponding clamping groove (32, 33 and 34) after the switching body (30) rotates.

4. The miniaturized hand tool structure of claim 1, wherein: the driving part (21) at least comprises a groove (23), and the driving part (21) penetrates through the shaft hole (15) and then is buckled in the groove (23) through a positioning piece (51), so that the ratchet wheel body (20) is limited on the control body (10).

5. The miniaturized hand tool structure of claim 1, wherein: the opposite side of the driving part (21) is provided with a connecting part (24), the connecting part (24) is provided with a groove (25), and after the switching body (30) covers the accommodating cavity (11), a positioning piece (52) is buckled in the groove (25) so as to enable the switching body (30) to be linked with the ratchet wheel body (20).

6. The miniaturized hand tool structure of claim 1, wherein: the bottom surface of the switching body (30) is provided with a powerful magnet which is connected with the control body (10) by magnetic force.

7. The miniaturized hand tool structure of claim 1, wherein: a deflector rod is arranged between the control body (10) and the switching body (30), a convex column which is interlocked with the switching body (30) is arranged on the top surface of the deflector rod, at least one groove (16) is arranged on the accommodating cavity (11), a steel ball (41) and a return spring (42) are arranged in the groove (16), three clamping grooves (32, 33 and 34) are arranged on the bottom surface of the switching body (30), and the steel ball (41) can be just embedded in the corresponding clamping grooves (32, 33 and 34) after the switching body (30) rotates after being pulled by the deflector rod.

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