CN211759720U

CN211759720U - Combined screw tightening and loosening device

Info

Publication number: CN211759720U
Application number: CN202020159080.6U
Authority: CN
Inventors: 张顺智
Original assignee: Xiamen Telxun Industry And Trade Co ltd
Current assignee: Xiamen Telxun Industry And Trade Co ltd
Priority date: 2020-02-04
Filing date: 2020-02-04
Publication date: 2020-10-27
Anticipated expiration: 2030-02-04

Abstract

The utility model relates to a modular screw take-up unit, the on-line screen storage device comprises a base, install on the base and rotate the screw rod of being connected with it and with fixed surface's guide bar on the base, install the fly leaf jointly on screw rod and the guide bar, the screw rod runs through the fly leaf and threaded connection with it, the guide bar runs through the fly leaf and slides the cooperation with it, install jointly on base and the screw rod and be used for ordering about screw rod pivoted drive assembly, the perforation has been seted up on the fly leaf, the installation is owing to its dwang of rotating the connection in the perforation, the dwang upper end is fixed with the action bars, the dwang lower extreme is fixed with the extension rod, the inserting groove that the cross section is the rectangle is seted up to the extension. The utility model discloses in, the cross section of inserting groove and screwdriver head is the rectangle to this has avoided screwdriver head to twist the pivoted condition that appears in-process, thereby is favorable to the staff to twist fast and moves the screw.

Description

Combined screw tightening and loosening device

Technical Field

The utility model belongs to the technical field of the take-up unit technique and specifically relates to a modular screw take-up unit is related to.

Background

A screwdriver is a tool used to turn a screw to force it into place, usually having a thin wedge-shaped head that can be inserted into a slot or recess in the head of the screw, and is primarily used in both straight and cross-shaped forms. Due to the wide variety of screwdriver bits, a plurality of different types of screwdrivers are often required to be configured. In addition, the screw pin head often is located slot or notch, and different occasions require differently to the length of screw cutter bar, need certain pressure when the elasticity screw moreover, otherwise very easily skid, influence work efficiency greatly, lead to the screw to unscrew smoothly even when serious.

The utility model discloses a chinese utility model patent that publication number is CN204321575U discloses a modular screw take-up unit, comprises a workbench, be equipped with the stand on the workstation, the one end and the workstation of stand are fixed to be linked to each other, and the other end and work arm link to each other, the one end of work arm is located the top of workstation and is formed with the through-hole that runs through that holds screwdrivers blade, the overhead anchor clamps that are fixed with of screwdriver, screwdrivers blade's head and afterbody all stretch out outside the anchor clamps, screwdrivers blade's afterbody can stretch into run through the through-hole and offset with hand screw. The utility model discloses a through the screwdriver head of the fixed different grade type of anchor clamps and length, the afterbody of screwdriver head can stretch into and run through the through-hole and offset with hand screw, utilizes hand screw regulated pressure size to guarantee the reliable elasticity of screw, improve work efficiency greatly.

However, the combined screw tightening and loosening device in the technical scheme has the following defects: the cross section of extension rod and screwdriver head is circular, presss from both sides through anchor clamps between the two and presss from both sides tightly in order to realize fixing, and screwdriver head easily takes place to rotate in anchor clamps in the use to be unfavorable for the staff to twist the screw through this screw take-up unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a modular screw take-up unit, this screw take-up unit's screwdriver head's cross section is the rectangle, and the extension rod bottom is seted up with screwdriver head grafting complex inserting groove to this has avoided screwdriver head to move the in-process appearance pivoted condition twisting, thereby is favorable to the staff to twist fast and moves the screw.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a modular screw take-up unit, includes the base, install on the base and rotate the screw rod of being connected and with it and the fixed surface's guide bar on the base, install the fly leaf jointly on screw rod and the guide bar, the screw rod runs through the fly leaf and threaded connection with it, the guide bar runs through the fly leaf and the cooperation of sliding with it, install jointly on base and the screw rod and be used for ordering about screw rod pivoted drive assembly, seted up the perforation on the fly leaf, the installation is owing to its dwang of rotating the connection in the perforation, the dwang upper end is fixed with the action bars, the dwang lower extreme is fixed with the extension rod, the inserting groove that the cross section is the rectangle is seted up to the extension rod bottom, install the screwdriver head rather than the cooperation of pegging.

Through adopting above-mentioned technical scheme, when needs twist and move the screw, the staff only needs order about the fly leaf through drive assembly and remove, insert in the line of the groove of screw head, at this moment, the staff need close drive assembly, the staff holds the action bars and rotates afterwards, make with this and the fixed dwang of action bars and all rotate with the extension rod that the dwang is fixed, at this in-process, screw head and the inserting groove grafting cooperation of extension rod bottom, and inserting groove and screw head's cross section is the rectangle, avoided screw head to twist the pivoted condition that appears in-process with this, thereby be favorable to the staff to twist fast and move the screw.

The utility model discloses further set up to: and a magnetic block for attracting the screwdriver head is fixed on the inner top wall of the insertion groove.

Through adopting above-mentioned technical scheme, the magnetic path is inhaled with screwdriver head magnetism mutually to this makes the grafting effect between screwdriver head and the inserting groove more firm, has reduced the probability that screwdriver head breaks away from in the inserting groove, has promoted screwdriver head at the stability of revolving the screw in-process.

The utility model discloses further set up to: the extension rod is installed the fixed subassembly that is used for fixed screwdriver head with screwdriver overhead jointly, fixed subassembly is including running through the bolt that sets up on the extension rod and seting up the through-hole that supplies the bolt to pass on the screwdriver head, the bolt runs through extension rod and through-hole and all slides the cooperation with both.

Through adopting above-mentioned technical scheme, after screwdriver head inserts the inserting groove, for the grafting stability that improves between screwdriver head and the inserting groove, the staff only need run through the extension rod with the bolt and insert in the through-hole to this has played good restriction effect along the length direction of extension rod to screwdriver head, has promoted the grafting stability between screwdriver head and the inserting groove.

The utility model discloses further set up to: the fixed subassembly still includes the sleeve that is close to the position fixing of through-hole with the arc surface of extension rod, is close to telescopic one end fixed baffle and cover with the bolt and locate on the bolt and not with the spring in the sleeve, the one end and the telescopic arc surface fixation of spring, the other end and the baffle of spring are close to the lateral wall of extension rod one side and fix.

Through adopting above-mentioned technical scheme, when needs insert the bolt in the inserting groove, the staff only need with the baffle to the one side removal of keeping away from the extension rod, make bolt tip shrink to the sleeve in, at this moment, the staff can insert the bolt in the inserting groove, afterwards, the staff need loosen one's hand, and make the bolt tip pass the through-hole, with this through the bolt to screw cutter head play good limiting displacement, at this in-process, the staff needn't take off the bolt completely, with this probability that has reduced the bolt loss, be favorable to improving the speed that the staff inserted the bolt in the through-hole.

The utility model discloses further set up to: the driving assembly comprises a driven gear, a rotating shaft, a driving gear and a handle, wherein the driven gear is sleeved on the screw rod and fixed with the screw rod, the rotating shaft is installed on the base and is rotatably connected with the base, the driving gear is fixedly sleeved on the rotating shaft and is meshed with the driven gear, and the handle is fixed on the upper surface of the driving gear.

Through adopting above-mentioned technical scheme, when using drive assembly to order about the screw rod rotation, the staff only need hold the handle and rotate to this makes the driving gear rotate, and the driving gear then drives rather than the driven gear rotation of meshing, thereby makes the screw rod fixed with driven gear rotate, because fly leaf and screw rod threaded connection, and the circumferential direction of fly leaf is restricted by the guide bar, thereby makes the fly leaf upwards or move down along vertical direction, so that the staff twists the screw nail through this screw take-up unit.

The utility model discloses further set up to: a plurality of anti-skidding grooves are uniformly formed in the side wall of the handle.

Through adopting above-mentioned technical scheme, set up anti-skidding recess on the handle lateral wall to this has played good anti-skidding effect, is favorable to the staff to hold the handle and rotate.

The utility model discloses further set up to: a plurality of arc-shaped bulges are uniformly fixed on the side wall of the operating rod.

Through adopting above-mentioned technical scheme, evenly set up a plurality of arc archs on the action bars lateral wall to this has played good anti-skidding effect, is favorable to the staff to hold firm action bars and rotate, thereby has reduced the degree of difficulty that the staff screwed up or unscrewed the screw.

The utility model discloses further set up to: limiting plates are fixedly sleeved on the upper end of the screw rod and the position, close to the top of the driven gear, of the screw rod.

By adopting the technical scheme, the limiting plate at the upper end of the screw rod has a good limiting effect on the movable plate, so that the movable plate is prevented from slipping off from the upper end of the screw rod; the limiting plate on the position of the screw rod close to the top of the driven gear plays a good limiting role on the movable plate, and the situation that the bottom of the movable plate is abutted to the top of the driven gear is avoided.

To sum up, the utility model discloses a beneficial technological effect does:

1. when the screw needs to be screwed, a worker only needs to drive the movable plate to move through the driving assembly until the head of the screwdriver head is inserted into the slot opening of the screw, at the moment, the worker needs to close the driving assembly, then the worker holds the operating rod and rotates the operating rod, so that the rotating rod fixed with the operating rod and the extending rod fixed with the rotating rod rotate, in the process, the screwdriver head is in splicing fit with the splicing groove in the bottom of the extending rod, and the cross sections of the splicing groove and the screwdriver head are rectangular, so that the situation that the screwdriver head rotates in the screwing process is avoided, and the screw is screwed by the worker quickly;

2. in the scheme, the magnetic block and the screwdriver head are magnetically attracted, so that the insertion function between the screwdriver head and the insertion groove is firmer, the probability of the screwdriver head separating from the insertion groove is reduced, and the stability of the screwdriver head in the screw screwing process is improved;

3. when this scheme uses drive assembly to order about the screw rod rotation, the staff only need hold the handle and rotate to this makes the driving gear rotate, and the driving gear then drives rather than the driven gear rotation of meshing, thereby makes the screw rod fixed with driven gear rotate, because fly leaf and screw rod threaded connection, and the circumferential direction of fly leaf is restricted by the guide bar, thereby makes the fly leaf upwards or move down along vertical direction, so that the staff twists the screw nail through this screw take-up unit.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural view of the fixing assembly for highlighting of the present invention.

Reference numerals: 1. a base; 2. a screw; 3. a guide bar; 4. a movable plate; 41. perforating; 5. rotating the rod; 51. an operating lever; 511. an arc-shaped bulge; 52. an extension rod; 521. inserting grooves; 5211. a magnetic block; 6. a screwdriver bit; 7. a fixing assembly; 71. a bolt; 72. a through hole; 73. a sleeve; 74. a baffle plate; 75. a spring; 8. a drive assembly; 81. a driven gear; 82. a rotating shaft; 83. a driving gear; 84. a handle; 841. an anti-slip groove; 9. and a limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the utility model discloses a combined screw tightening device, which comprises a base 1, a screw rod 2 and a guide rod 3. The base 1 is a rectangular plate-shaped structure which is horizontally arranged. The axis of the screw rod 2 is vertical, the lower end of the screw rod is arranged on the base 1, and the lower end of the screw rod 2 is rotatably connected with the base 1. The guide rod 3 is in the shape of a round rod, the axis of the guide rod is vertical, and the lower end of the guide rod 3 is fixed with the upper surface of the base 1.

As shown in fig. 1, a movable plate 4 is mounted on the screw 2 and the guide rod 3 together, the movable plate 4 is a horizontally disposed rectangular plate-shaped structure, the screw 2 penetrates through the movable plate 4 and is in threaded connection with the movable plate 4, and the guide rod 3 penetrates through the movable plate 4 and is in sliding fit with the movable plate 4. The movable plate 4 is provided with a plurality of through holes 41, the through holes 41 are circular holes, the distance between adjacent through holes 41 is equal, and the rotating rod 5 is arranged in the through hole 41 as shown in fig. 2. The rotating rod 5 is a circular rod, which is inserted into the through hole 41 and is rotatably connected thereto, and the operating rod 51 and the extension rod 52 are mounted on the rotating rod 5. The operating rod 51 is a round rod, the axis of the operating rod 51 coincides with the axis of the rotating rod 5, the lower end of the operating rod 51 is fixed with the upper end of the rotating rod 5 so as to be grasped by a worker and rotate the rotating rod 5, and the operating rod 51 is provided with an arc-shaped protrusion 511. The arc-shaped protrusions 511 are spherical protrusions, the number of the arc-shaped protrusions 511 is multiple, the arc-shaped protrusions 511 are uniformly fixed on the arc-shaped surface of the operating rod 51, and the arc-shaped protrusions 511 are arranged, so that a good anti-skidding effect is achieved, and the operating rod 51 can be held by a worker and rotated by the worker.

As shown in fig. 2, the extension rod 52 is a round rod-shaped structure, the axis of the extension rod coincides with the axis of the rotation rod 5, the upper end of the extension rod 52 is fixed to the lower end of the rotation rod 5, and the lower end of the extension rod 52 is provided with a plug-in groove 521. The cross section of the insertion groove 521 is rectangular, the extending direction of the insertion groove 521 is parallel to the axial direction of the extension rod 52, and the screwdriver bit 6 is arranged in the insertion groove 521. The cross section of the upper part of the screwdriver bit 6 is rectangular, the upper part of the screwdriver bit 6 is in inserted fit with the insertion groove 521, and the lower part of the screwdriver bit 6 is in a straight shape, so that the screwdriver bit 6 can be conveniently inserted into the slot of the screw, and a worker can conveniently screw the screw.

As shown in fig. 2, a magnetic block 5211 is arranged in the insertion slot 521, the magnetic block 5211 is a square block-shaped structure, the upper surface of the magnetic block 5211 is fixed to the inner top wall of the insertion slot 521, and the magnetic block 5211 and the screwdriver bit 6 are magnetically attracted to each other, so that the screwdriver bit 6 can be firmly inserted into the insertion slot 521, and the probability that the screwdriver bit 6 is separated from the insertion slot 521 in the process of screwing a screw is reduced.

As shown in fig. 2, the extension rod 52 and the screwdriver bit 6 are mounted with a fixing assembly 7 for fixing the screwdriver bit 6, and the fixing assembly 7 includes a plug 71, a through hole 72, a sleeve 73, a baffle 74 and a spring 75. The plug 71 is a round rod, and is disposed on the extension rod 52 in a penetrating manner, and an axis of the plug 71 is perpendicular to and intersects with an axis of the extension rod 52. The cross section of the through hole 72 is circular, and the through hole is arranged on the extension rod 52 in a penetrating manner, the through hole 72 is communicated with the insertion groove 521, and the through hole 72 is matched with the plug pin 71 in a sliding manner. The sleeve 73 has a circular cross section, the axis of the sleeve is coincident with the axis of the through hole 72, and one end of the sleeve 73 is fixed on the outer arc surface of the extension rod 52. The baffle 74 is in the shape of a circular disc, the axis of the baffle coincides with the axis of the sleeve 73, and the surface of the baffle 74 close to the extension rod 52 is fixed to one end of the plug 71. The spring 75 is disposed in the sleeve 73, which is sleeved on the pin 71, one end of the spring 75 is fixed to the outer arc surface of the extension rod 52, and the other end of the spring 75 is fixed to the side wall of the baffle 74 near the extension rod 52. Before inserting screwdriver bit 6 into inserting groove 521, the staff only need with baffle 74 to the one side pulling of keeping away from extension rod 52, make bolt 71 tip break away from inserting groove 521, subsequently, the staff can insert screwdriver bit 6 in inserting groove 521, at this moment, the staff is loose hand, under spring 75's elasticity effect, make baffle 74 to the one side removal of being close to extension rod 52, make bolt 71 pass through-hole 72 with this, thereby good restriction effect has been played screwdriver bit 6 along the ascending motion of vertical direction, be favorable to improving screwdriver bit 6 and twist the stability of moving screw in-process.

As shown in fig. 1, the base 1 and the screw rod 2 are jointly provided with a driving assembly 8 for driving the screw rod 2 to rotate, and the driving assembly 8 comprises a driven gear 81, a rotating shaft 82, a driving gear 83 and a handle 84. The axis of the driven gear 81 coincides with the axis of the screw 2, and is sleeved on and fixed with the screw 2. The rotating shaft 82 is a vertically arranged round rod-shaped structure, and the lower end of the rotating shaft is rotatably connected with the upper surface of the base 1. The axis of the driving gear 83 coincides with the axis of the rotating shaft 82, and the driving gear 83 is engaged with the driven gear 81, and is sleeved on and fixed to the rotating shaft 82. The handle 84 is circular in cross section and is vertically disposed, and the lower end of the handle 84 is fixed to the upper surface of the driving gear 83. When the screws on the parts placed on the base 1 need to be disassembled, the worker only needs to make the positions of the screws on the parts correspond to the tail of the screwdriver bit 6, and then the worker needs to hold the handle 84 and rotate the handle, so that the driving gear 83 fixed with the handle 84 rotates, the driving gear 83 drives the driven gear 81 engaged with the driving gear to rotate, meanwhile, the driven gear 81 drives the screw rod 2 fixed with the driven gear to rotate, and the axial rotation of the movable plate 4 is limited by the guide rod 3, so that the movable plate 4 moves downwards along the vertical direction until the tail of the screwdriver bit 6 is inserted into the slot of the screw, so that the worker can hold the operating rod 51 and rotate, and the screw can be disassembled.

As shown in fig. 1, a plurality of anti-slip grooves 841 are uniformly formed on the side wall of the handle 84, and the plurality of anti-slip grooves 841 are uniformly formed on the arc-shaped surface of the handle 84, so that a good anti-slip effect is achieved, and the handle 84 can be held and rotated by a worker conveniently. All fixed the cover is equipped with limiting plate 9 on the position that screw rod 2 upper end and screw rod 2 are close to driven gear 81 top, and limiting plate 9 is the disc, and limiting plate 9's axis and screw rod 2's axis coincidence set up limiting plate 9 in screw rod 2 upper end to this condition that fly leaf 4 breaks away from screw rod 2 upper end has been avoided. A position limiting plate 9 is arranged at the position of the screw rod 2 close to the top of the driven gear 81, so that the situation that the movable plate 4 is abutted against the driven gear 81 is avoided.

The implementation principle of the embodiment is as follows: when the screw is twisted to needs, the staff only needs to drive movable plate 4 through drive assembly 8 and remove, insert the slot opening of screw until screwdriver bit 6's head, at this moment, the staff need close drive assembly 8, the staff holds action bars 51 and rotates afterwards, make with this dwang 5 fixed with action bars 51 and with the fixed extension rod 52 of dwang 5 all rotate, at this in-process, screwdriver bit 6 and the inserting groove 521 cooperation of pegging graft of extension rod 52 bottom, and inserting groove 521 and screwdriver bit 6's cross section is the rectangle, avoided screwdriver bit 6 to appear the pivoted condition in twisting the in-process with this, thereby be favorable to the staff to twist the screw fast.

When the driving assembly 8 is used for driving the screw rod 2 to rotate, a worker only needs to hold the handle 84 and rotate, so that the driving gear 83 rotates, the driving gear 83 drives the driven gear 81 engaged with the driving gear 83 to rotate, the screw rod 2 fixed with the driven gear 81 rotates, the movable plate 4 is in threaded connection with the screw rod 2, the circumferential rotation of the movable plate 4 is limited by the guide rod 3, the movable plate 4 moves upwards or downwards along the vertical direction, and the screw nail is screwed by the worker through the screw nail tightening and loosening device. Before inserting screwdriver bit 6 into inserting groove 521, the staff only need with baffle 74 to the one side pulling of keeping away from extension rod 52, make bolt 71 tip break away from inserting groove 521, subsequently, the staff can insert screwdriver bit 6 in inserting groove 521, at this moment, the staff is loose hand, under spring 75's elasticity effect, make baffle 74 to the one side removal of being close to extension rod 52, make bolt 71 pass through-hole 72 with this, thereby good restriction effect has been played screwdriver bit 6 along the ascending motion of vertical direction, be favorable to improving screwdriver bit 6 and twist the stability of moving screw in-process.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a modular screw take-up unit, includes base (1), install on base (1) and rotate screw rod (2) of being connected with it and with base (1) fixed surface's guide bar (3), install fly leaf (4) jointly on screw rod (2) and guide bar (3), screw rod (2) run through fly leaf (4) and threaded connection with it, guide bar (3) run through fly leaf (4) and the cooperation of sliding with it, its characterized in that: install jointly on base (1) and screw rod (2) and be used for driving about screw rod (2) pivoted drive assembly (8), seted up on fly leaf (4) and perforated (41), install in perforated (41) and rotate dwang (5) of being connected rather than, dwang (5) upper end is fixed with action bars (51), dwang (5) lower extreme is fixed with extension rod (52), inserting groove (521) that the cross section is the rectangle are seted up to extension rod (52) bottom, install in inserting groove (521) rather than grafting complex screwdriver bit (6).

2. The modular screw tightening device of claim 1, wherein: and a magnetic block (5211) for attracting the screwdriver head (6) is fixed on the inner top wall of the insertion groove (521).

3. The modular screw tightening device of claim 1, wherein: install fixed subassembly (7) that are used for fixed screwdriver bit (6) on extension rod (52) and screwdriver bit (6) jointly, fixed subassembly (7) are including running through bolt (71) that sets up on extension rod (52) and set up through-hole (72) that are used for bolt (71) to pass on screwdriver bit (6), bolt (71) run through extension rod (52) and through-hole (72) and with both cooperation of all sliding.

4. A modular screw tightening device according to claim 3, wherein: fixed subassembly (7) still include with the arc surface of extension rod (52) be close to sleeve (73) of the position fixation of through-hole (72), be close to baffle (74) that one end of sleeve (73) is fixed and overlap spring (75) of locating on bolt (71) and being located sleeve (73) with bolt (71), the one end of spring (75) and the arc surface fixation of sleeve (73), the other end of spring (75) is fixed near the lateral wall of extension rod (52) one side with baffle (74).

5. The modular screw tightening device of claim 1, wherein: the driving assembly (8) comprises a driven gear (81) which is sleeved on the screw rod (2) and fixed with the screw rod, a rotating shaft (82) which is arranged on the base (1) and is rotationally connected with the base, a driving gear (83) which is fixedly sleeved on the rotating shaft (82) and is meshed with the driven gear (81), and a handle (84) which is fixed with the upper surface of the driving gear (83).

6. The modular screw tightening device of claim 5, wherein: a plurality of anti-skid grooves (841) are uniformly formed in the side wall of the handle (84).

7. The modular screw tightening device of claim 1, wherein: a plurality of arc-shaped protrusions (511) are uniformly fixed on the side wall of the operating rod (51).

8. The modular screw tightening device of claim 1, wherein: and limiting plates (9) are fixedly sleeved on the upper end of the screw rod (2) and the position, close to the top of the driven gear (81), of the screw rod (2).