CN217833469U - Screwdriver with built-in screwdriver head library - Google Patents

Abstract

The utility model provides a concealed screwdriver in batch head storehouse, including the handle with criticize the pole, be equipped with detachable in the handle and criticize first storehouse seat, arrange the batch head of placing multiple specification on criticizing first storehouse seat. The batch heads with various specifications are stored on the batch head library seat, and the corresponding batch heads are taken according to requirements and are arranged on the batch rod. The utility model discloses well batch head is deposited in the screwdriver in order, and batch head is attached on the screwdriver all the time, is difficult for losing and the ready access facilitates the use. The utility model discloses the first accommodation body of well batch presents one end when concentrating together and draws in the state of one end dispersion in, has the interval that is abundant relatively each other in dispersion end, has bigger space to supply to point to get into in order to hold between the fingers and criticize the head, criticizes the head when taking out moreover and can deviate core axis more and more, changes in avoiding other structures on the handle head, more makes things convenient for criticizing the head and takes.

Description

Screwdriver with built-in screwdriver head library

Technical Field

The utility model relates to a hand tool, more specifically says that it relates to a screwdriver of interior concealed batch head storehouse.

Background

At present, the screwdriver on the market is mostly fixed specification, and one screwdriver corresponds a specification promptly, criticizes the pole and fixes unable the change on the handle, and the commonality is relatively poor, and the function is restricted greatly. Some professional production enterprises improve the screwdriver, one of the methods is to detachably connect a screwdriver head and a screwdriver rod, and meet the requirements of people on different operation environments by replacing different screwdriver heads, so that the universality of the screwdriver is improved to a certain extent. When the screwdriver is provided with a plurality of different screwdriver bits, the screwdriver bits are usually stored separately from the screwdriver handle, and if the screwdriver bits are not stored well, the screwdriver bits are easy to lose or find out inconveniently, so that a screwdriver product capable of storing the replacement screwdriver bits in the screwdriver handle is provided in the market. For example, the utility model with the publication number of CN205218965U is specially adapted to disclose a screwdriver component with a replaceable head and a hand tool comprising the same. The screwdriver component with the replaceable bit comprises a base, a toggle device, a bit seat, a magnetic element, a bit guide cylinder and a plurality of bits, wherein the toggle device is arranged on the base in a sliding manner, the bit seat is embedded in a bit seat accommodating groove of the base, the bit seat can rotate in the bit seat accommodating groove, the bit seat is provided with a plurality of bit accommodating through holes, the plurality of bits are movably arranged in the bit accommodating through holes, the bit guide cylinder is fixedly connected with the base, the bit guide cylinder is provided with a guide hole through which the bit can pass, the magnetic element is arranged at one end of the toggle device, and the magnetic element is magnetically connected with the bits; the button-shifting device can slide along the base to drive the batch head to move along the batch head accommodating through hole so that the batch head protrudes out of the guide hole and is positioned, or drive the batch head to retract into the batch head accommodating through hole. The utility model discloses a changeable head screwdriver subassembly is changed and is criticized the head very conveniently, and simple structure. However, when the screwdriver bit is taken down from the screwdriver bit seat, the screwdriver bit seat needs to move axially along the screwdriver bit seat, the movement direction is limited to be narrow, and the screwdriver bit seat is very easy to be interfered by other parts, so that the screwdriver bit is inconvenient to take.

SUMMERY OF THE UTILITY MODEL

Present interchangeable batch head screwdriver is criticized head and handle and is separately deposited, criticizes the head and lose easily or look for the trouble, and present screwdriver that can store criticize the head takes criticizes the head inconvenient, for overcoming these defects, the utility model provides a can be with replacing criticize the head and deposit in the handle and conveniently criticize the head and take the screwdriver of interior concealed criticizing head storehouse.

The technical scheme of the utility model is that: a screwdriver with a built-in screwdriver head library comprises a handle and a screwdriver rod, wherein a detachable screwdriver head library seat is arranged in the handle, and screwdriver heads with various specifications are arranged on the screwdriver head library seat. The batch heads with various specifications are stored on the batch head library seat, and the corresponding batch heads are taken according to requirements and are installed on the batch rod. The utility model discloses well batch head is deposited in the screwdriver in order, and batch head is attached on the screwdriver all the time, and difficult losing and random access facilitate the use.

Preferably, the handle comprises a handle main body and a handle head, the handle head is inserted into the handle main body, the batch rod is connected onto the handle head, and the batch head library seat is arranged on the handle head. When the screwdriver is not used, the handle body and the handle head are butted and spliced, the screwdriver head base seat and the screwdriver head are integrally hidden into the screwdriver, the handle body and the handle head are detached and separated during use, the screwdriver head base seat is exposed, the corresponding screwdriver head is taken as required to be mounted on the screwdriver rod, and then the handle body and the handle head are butted into a normal screwdriver structure to be used.

Preferably, the batch head library seat comprises a core body and a plurality of batch head accommodating bodies, the batch head accommodating bodies surround the circumferential surface of the core body and are fixed with the core body, and a deviation angle exists between the batch head accommodating bodies and the axis of the core body in a natural state. Criticize first container and encircle the core and place tied in a bundle, and criticize first container and incline to the core axis under the natural condition, criticize first container and present one end when concentrating together like this and draw in the dispersed state of one end, there is the interval of relative abundance in dispersion end each other, has more space to supply to point to get into in order to hold between the fingers criticize the head, criticize the head when taking out moreover and can deviate from the core axis more and more, change in other structures on keeping away the handle head. Therefore, the technical scheme is more convenient for taking the batch heads.

Preferably, the batch head library seat is an injection molding piece, and the core body and the batch head accommodating body are integrally formed. The batch head base is formed by injection molding, and the plastic can allow a certain degree of elastic deformation. In the state that the handle main body and the handle head are spliced, the dispersing end of the bit accommodating body can be deformed and folded to adapt to a limited space in the handle main body, and the hidden storage of a plurality of bits is not influenced; after the handle main body and the handle head are separated and opened, the constraint of the handle main body on the bit accommodating body disappears, the bit accommodating body can be elastically restored, and the fried state that one end of the bit accommodating body is folded and the other end of the bit accommodating body is scattered is restored, so that the convenient taking and the use of the bit are not influenced.

Preferably, the fixing point of the batch head accommodating body and the core body is located at the near tail end of the batch head accommodating body. The batch head accommodating body is connected with the core body through a fixed point with limited size, but not connected in a large area, so that the batch head accommodating body is easier to deform, and the dispersing end can be folded and unfolded.

Preferably, the tail end of the bit accommodating body is provided with a tightening piece groove, and an annular elastic tightening piece is arranged in the tightening piece groove. The elastic tightening piece is tightened at the tail end of the batch head accommodating body, so that the front end of the batch head accommodating body has a tendency of being more easily dispersed, and the elasticity of the batch head accommodating body is increased.

Preferably, the rear end of the handle head is provided with a center pipe column, and the core body is sleeved on the center pipe column. The center pipe column provides the core body and even the attached support of the batch head accommodating body, and the connection of the batch head library seat and the handle head is realized.

Preferably, the batch rod is provided with a gear ring section, and the handle head is provided with an elastic pawl block which can be meshed with the gear ring section to enable the batch rod to rotate in a single direction. In the process of using the ordinary screwdriver, the operator usually needs to adjust the wrist position again and then continue to screw the screwdriver due to the limitation of the wrist torsion limit of the operator, and the working efficiency is reduced. After the elastic pawl block is meshed with the toothed ring section, unidirectional transmission of the torque of the screwdriver can be realized, and the working efficiency is improved.

Preferably, the batch head library seat is in a plurality and is connected in series on the handle head. Therefore, the storage quantity of the batch head library seats can be increased in the handle, the batch head capacity is enlarged, more specification batch heads are stored, and different application scenes can be better met.

Alternatively, the handle includes a handle main body and a handle back cover, the handle back cover is connected to the handle main body, and the bit magazine is disposed on the handle back cover. The screwdriver head base seat can also be connected to the handle rear cover, the handle rear cover can be taken down when the screwdriver head is taken, the screwdriver rod is not involved when the handle rear cover is taken down, and the screwdriver head base seat is relatively more convenient to operate.

The utility model has the advantages that:

the batch head is convenient to take. The utility model discloses the first holding body of well batch presents one end when concentrating together and draws in the state that one end was dispersed in, has the interval that is abundant relatively in dispersion end each other, has more space to supply to point to get into in order to hold between the fingers and criticize the head, criticizes the head when taking out moreover and can more deviate the core axis more, changes in avoiding other structures on the handle head, and it takes to more make things convenient for criticizing the head.

The batch head is reliably stored. The utility model discloses well batch head is deposited in the screwdriver in order, and batch head is attached on the screwdriver all the time, and difficult losing and random access facilitate the use.

Drawings

FIG. 1 is a schematic structural view of the handle body and the handle head of the present invention when they are disassembled;

fig. 2 is a schematic structural view of the handle body and the handle head of the present invention when they are combined together;

FIG. 3 is an exploded view of the components of the present invention;

FIG. 4 is a schematic view of the detachable structure of the handle head of the present invention;

FIG. 5 is a schematic view of the fitting state of the batch head magazine base and the handle head according to the present invention;

FIG. 6 is a schematic structural view of the handle head of the present invention after the screw cap is removed;

fig. 7 is a schematic view of the matching state of the elastic pawl block and the batch rod of the present invention;

fig. 8 is a schematic structural view of the batch head magazine base of the present invention;

fig. 9 is a schematic view of the internal structure of the middle handle body of the present invention.

In the figure, 1-handle, 101-handle body, 1011-cavity, 1012-button bayonet, 1013-handle head guide bar, 102-handle head, 1021-center column, 1022-elastic button, 1023-elastic pawl block, 1024-body seat, 1025-pawl block seat, 1026-rotary cover, 10261-shifting block, 103-batch head base, 1031-core, 1032-batch head containing body, 10321-tightening piece groove, 104-batch head, 2-batch rod, 201-tooth ring segment and 202-batch rod socket head.

Detailed Description

The present invention will be further described with reference to the following detailed description of the embodiments.

Example 1:

as shown in fig. 1 to 9, a screwdriver with a built-in screwdriver head magazine comprises a handle 1 and a screwdriver rod 2, wherein the handle 1 comprises a handle main body 101 and a handle head 102, the handle head 102 is inserted into the front end of the handle main body 101, and the screwdriver rod 2 is connected to the handle head 102. The handle body 101 is provided with a cavity 1011, and a handle head guide 1013 is provided in the cavity 1011. The rear end of the handle head 102 is provided with a batch head library seat 103 which can be hidden in the handle main body 101, and batch heads 104 with seven specifications are arranged on the batch head library seat 103. The batch head library seat 103 comprises a core 1031 and seven batch head accommodating bodies 1032, the batch head accommodating bodies 1032 surround the peripheral surface of the core 1031 and are fixed with the core 1031, and a deviation angle exists between the batch head accommodating bodies 1032 and the axis of the core 1031 in a natural state. The batch head library seat 103 is an injection molding piece, and the core body 1031 and the batch head accommodating body 1032 are integrally molded. The fixing point of the batch head accommodating body 1032 to the core 1031 is located at the proximal end of the batch head accommodating body 1032. The bit holder 1032 has a tightening member groove 10321 at a distal end thereof, and an annular elastic tightening member is disposed in the tightening member groove 10321. The handle head 102 comprises a main body seat 1024, a pawl block seat 1025 and a screw cover 1026, wherein the pawl block seat 1025 is embedded in the main body seat 1024, the screw cover 1026 covers the main body seat 1024, a center column 1021 is integrally arranged at the rear end of the main body seat 1024, and the core body 1031 is sleeved on the center column 1021 and is prevented from falling off by a limiting piece fixed on the end surface of the center column 1021. The main body base 1024 of the handle head 102 has a pair of elastic buttons 1022 disposed at opposite positions on the peripheral surface thereof, and the handle body 101 has button catches 1012 corresponding to the elastic buttons 1022 and having a size suitable for the elastic buttons. The front end of the batch rod 2 is provided with a detachable batch rod socket head 202. The batch rod 2 penetrates through the rotary cover 1026 and then is rotationally connected with a central hole of the pawl block seat 1025, snap rings clamped with the batch rod 2 are respectively arranged on the front end face of the rotary cover 1026 and the rear end face of the pawl block seat 1025, the batch rod 2 is provided with a tooth ring segment 201, four pawl block grooves and a positioning bead are arranged on the pawl block seat 1025 of the handle head 102, an elastic pawl block 1023 which is driven by a spring and can be meshed with teeth on the tooth ring segment 201 to enable the batch rod 2 to rotate in a single direction is respectively embedded in each pawl block groove, and the four elastic pawl blocks 1023 are grouped in pairs to form a clockwise pawl group and an anticlockwise pawl group. The inner peripheral surface of the screw cover 1026 is integrally provided with a pair of shifting blocks 10261, the shifting blocks can alternatively contact and press the elastic pawl blocks in the clockwise pawl group and the anticlockwise pawl group along with the forward and backward rotation of the screw cover 1026, the positioning beads are connected to the peripheral surface of the pawl block seat 1025 through springs, and a plurality of clamping positions matched with the positioning beads are arranged between the inner peripheral surfaces of the screw cover 1026. The cover 1026 rotates and can be engaged with the retaining bead at different snap-fit locations to retain the cover 1026 in place. While the retaining balls are retained in different snap positions, i.e., when the cover 1026 is rotated through different angles, the shift block 10261 also forms a contact press fit with the clockwise pawl set and the counterclockwise pawl set. Therefore, by rotating the rotary cap 1026, the position of the shift block 10261 is changed, and finally the functions of the clockwise pawl set and the counterclockwise pawl set can be shielded and activated. Can be alternatively matched with a clockwise pawl group and a counterclockwise pawl group. The rotary cover 1026 can control the reversing device to switch the torque transmission direction, under the control of the rotary cover 1026, only one of the clockwise pawl group and the anticlockwise pawl group can be meshed with the gear ring segment 201, when the clockwise pawl group is meshed with the gear ring segment 201, the torque input by an operator can be transmitted to the gear ring segment 201 and the batch rod 2 in the clockwise direction, and only the anticlockwise direction can slip; after the counterclockwise pawl set is engaged with the bearing seat, the torque input by an operator can be transmitted to the gear ring section 201 and the batch rod 2 in the counterclockwise direction, and only the batch rod 2 slips in the clockwise direction, so that the rotary cover 1026 is ensured to control the batch rod 2 to realize unidirectional torque transmission.

When the screwdriver with the built-in screwdriver head library is not used, the handle main body 101 and the handle head 102 are butted and spliced, and the screwdriver head library seat 103 and the screwdriver head 104 on the seat are integrally hidden in the screwdriver; when in use, the handle main body 101 and the handle head 102 are detached and separated to expose the batch head base 103, the corresponding batch head 104 is taken and installed on the batch rod 2 as required, and then the handle main body 101 and the handle head 102 are butted into a normal screwdriver structure for use. In a natural state, the cluster bit accommodating body 1032 is in an exploded shape with one end being folded and the other end being dispersed; in the state that the handle main body 101 and the handle head 102 are combined, the dispersing ends of the batch head accommodating body 1032 can be deformed and folded to adapt to the limited space in the handle main body 101, and the hidden storage of the batch head 104 is not influenced; after the handle body 101 and the handle head 102 are separated and opened, the constraint of the handle body 101 on the batch head accommodating body 1032 disappears, the batch head accommodating body 1032 can be elastically restored, and the dispersed fried state of one end of the batch head accommodating body is folded, so that the batch head 104 is not influenced to be conveniently taken.

Example 2:

the batch head library seats 103 are two and are connected in series on the center tubing string 1021. The head containers 1032 are five and store the heads 104 of five specifications. The rest is the same as example 1.

Example 3:

the batch head magazine 103 is three and is connected in series to the center string 1021. The rest is the same as example 1.

Example 4:

the handle comprises a handle main body and a handle rear cover, the handle rear cover is connected to the handle main body through threads, a central pipe column is fixed to the inner end of the handle rear cover, and the bit library seat is installed on the central pipe column. The rest is the same as example 1.

Claims (8)

1. The utility model provides a screwdriver of interior concealed batch head storehouse, including handle (1) and batch pole (2), be equipped with detachable batch head storehouse seat (103) in characterized by handle (1), arrange batch head (104) of placing multiple specification on batch head storehouse seat (103), handle (1) includes handle main part (101) and handle head (102), plug-in connection is on handle main part (101) in handle head (102), batch pole (2) are connected on handle head (102), batch head storehouse seat (103) are located on handle head (102), batch head storehouse seat (103) include core (1031) and a plurality of batch head holding body (1032), batch head holding body (1032) encircle on core (1031) global and fixed with core (1031), there is the drift angle between the axis of batch head holding body (1032) and core (1031) under the natural state.

2. The Screwdriver with built-in batch head library according to claim 1, wherein the batch head library seat (103) is an injection molded piece, and the core body (1031) and the batch head accommodating body (1032) are integrally formed.

3. The screw driver with the built-in batch head library according to claim 1, wherein the fixing point of the batch head accommodating body (1032) and the core body (1031) is located at the near end of the batch head accommodating body (1032).

4. The screw driver with the built-in batch head library according to the claim 3, wherein the end of the batch head accommodating body (1032) is provided with a tightening piece groove (10321), and an annular elastic tightening piece is arranged in the tightening piece groove (10321).

5. The screwdriver of claim 1, wherein the rear end of the handle head (102) is provided with a center stem (1021), and the core body (1031) is sleeved on the center stem (1021).

6. The screwdriver as claimed in claim 4, wherein the screwdriver rod (2) is provided with a toothed ring segment (201), and the handle head (102) is provided with a resilient pawl block (1023) which can engage with the toothed ring segment (201) to rotate the screwdriver rod (2) in one direction.

7. The screwdriver as claimed in any one of claims 1 to 6, wherein the batch head magazine base (103) is plural and is connected in series to the handle head (102).

8. The screwdriver as claimed in claim 1, wherein the handle (1) comprises a main handle body (101) and a rear handle cover, the rear handle cover is connected to the main handle body (101), and the magazine base (103) is arranged on the rear handle cover.

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