CN220007605U

CN220007605U - Anti-skid structure of maintenance tool

Info

Publication number: CN220007605U
Application number: CN202321197774.9U
Authority: CN
Inventors: 张黎明; 亢大伟
Original assignee: Wanji Holding Group Transportation Co ltd
Current assignee: Wanji Holding Group Transportation Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-11-14
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to an anti-skid structure of a maintenance tool, which belongs to the technical field of maintenance tools and comprises a spanner handle, wherein a handle body of a handheld part of the spanner handle is rotationally connected with a profiling rotating sleeve, one side of the sleeve body of the rotating sleeve is provided with a radial side plate along the rotating sleeve, and the side plate is provided with a through hole for a finger of a maintenance person to pass through. When the nut or the bolt to be disassembled is disassembled, the wrench handle is rotated, and the rotating sleeve and the wrench handle rotate relatively at the moment, so that the positions of the side plates and the hands of the maintenance personnel are relatively static, the side plates do not squeeze the hands of the maintenance personnel, and the condition of 'pressing the hands' is caused.

Description

Anti-skid structure of maintenance tool

Technical Field

The utility model relates to the technical field of maintenance tools, in particular to an anti-skid structure of a maintenance tool.

Background

When the bottom of the automobile is maintained, as the bottom of the automobile is far away from the ground and is lower, a repairing person has to lie on the plate vehicle and move to the bottom of the automobile for maintenance, and the repairing tool is easy to slip from the hand of the repairing person frequently, so that the risk that the slipping repairing tool is hit to the repairing person exists.

The reasons for the above are analyzed as follows: 1. when a person lies down, the hand-held wrench is used for maintenance (the nut or the bolt is disassembled), the load of the arm is increased, the arm fatigue is easily caused, the hand slip phenomenon is easily caused for a repairing person, and the wrench is easily slipped from the hand of the repairing person; 2. because the repairman enters the bottom of the automobile inconveniently, when the hand is adhered with oil stain, the repairman cannot clean in time, and the repairman is easy to slip by hand, so that the spanner is easy to slip from the hand of the repairman; 3. when the nut or the bolt is rusted and a repair person is required to apply a large force to the wrench, the repair person is easy to slip by hand when applying a large force to the wrench, so that the wrench is easy to slip from the hand of the repair person; 4. the wrench is not locked with the nut or the bolt in place, so that the wrench head is separated from the nut or the bolt, the wrench loses a supporting point, and the wrench moves axially, so that the wrench is easy to slip from the hand of a repairing person, and flies out; 5. in the process of turning the wrench by the repairing personnel, the hand of the repairing personnel and the wrench are turned relatively to influence the control force on the wrench, so that the wrench slips from the hand of the repairing personnel.

The current chinese patent with publication number CN211615419U discloses an anti-slip F-shaped wrench convenient to use, and the device limits the relative spanner pole axial position of maintainer finger through the mode of spanner pole right side fixed connection pin (the pin shape is the U font), realizes the function of anti-slip, but the maintainer rotates the spanner in-process, and the relative rotation between maintainer hand and the spanner, the pin produces the extrusion to the maintainer hand, exists "and presses the hand" condition for the unsettled back of the hand is lived in the maintainer finger outside.

Disclosure of Invention

The utility model aims to solve the problems and provide an anti-skid structure of a maintenance tool.

The utility model realizes the above purpose through the following technical scheme:

the utility model provides a maintenance tool's antiskid structure, includes spanner handle, its characterized in that: the wrench handle is characterized in that the handle body of the handle holding part is rotationally connected with a profiling rotating sleeve, a radial side plate is arranged on one side of the sleeve body of the rotating sleeve, and a through hole for a finger of a maintainer to pass through is formed in the side plate.

Preferably, the perforation is provided with four holes along the axial direction of the rotating sleeve at intervals, and the four holes are respectively in one-to-one correspondence with the positions of the index finger, the middle finger, the ring finger and the little finger of the maintenance personnel.

Preferably, the perforation is an elongated hole axially arranged along the rotating sleeve.

Preferably, the handle body of the hand-held part of the wrench handle is provided with annular clamping grooves at the two ends of the rotating sleeve, and clamping springs are clamped in the annular clamping grooves.

Preferably, a distance exists between one end of the side plate and the end face of the rotating sleeve on the same side, the rotating sleeve body is provided with an anti-slip sleeve, and a position of the anti-slip sleeve corresponding to the side plate is provided with a yielding port for the side plate to extend out.

Preferably, the ratchet wrench head further comprises a ratchet seat and a fixing seat, wherein the ratchet seat is provided with a small sector transmission gear and a large sector transmission gear along the circumferential direction of the ratchet seat, the fixing seat is provided with a large sector driving gear and a small sector driving gear which are meshed with the small sector transmission gear and the large sector transmission gear respectively corresponding to the outer sides of the small sector transmission gear and the large sector transmission gear, and one sides of the large sector driving gear and the small sector driving gear, which are away from the ratchet seat, are provided with connecting parts which can be detachably connected with the head of a wrench handle.

Preferably, the connecting part comprises a plug rod, the outer end part of the plug rod is provided with a through hole, and the end part of the hole cavity of the through hole is provided with a limiting rod of which the outer end can extend out of or retract into the through hole;

the spanner handle head terminal surface is equipped with supplies the inserted bar matches male main jack, main jack is equipped with the side jack that supplies the gag lever post to match male relative pore wall, and the side jack is equipped with can extrude the gag lever post for the gag lever post shrink extrusion rod in the through-hole.

Preferably, the through hole cavity is provided with a first compression spring for extruding the limiting rod outwards, and the end part of the through hole is provided with a first limiting piece for limiting the limiting rod to be separated.

Preferably, the outer end of the extrusion rod extends out of the side jack, a second compression spring is arranged between the outer end of the extrusion rod and the outer end of the side jack, and a second limiting part for limiting the extrusion rod to be separated is further arranged at the outer end of the side jack.

Preferably, a handheld ring is arranged in the middle of one side surface of the fixing seat at intervals, and the handheld ring is correspondingly connected with the fixing seat through a plurality of connecting rods arranged along the circumferential direction of the handheld ring at intervals.

The beneficial effects are that:

1. when the nut or the bolt to be disassembled is disassembled, the wrench handle is rotated, and the rotating sleeve and the wrench handle are rotated relatively at the moment, so that the positions of the side plate and the hand of the maintenance personnel are relatively static, the side plate can not squeeze the hand of the maintenance personnel, and the condition of 'pressing the hand' exists;

2. because the ratchet spanner head is arranged, a maintenance person can rotate the spanner handle in a relatively labor-saving mode, the small fan-shaped driving gear drives the large fan-shaped driving gear to rotate, the large fan-shaped driving gear drives the ratchet seat to rotate, and when the ratchet spanner head is driven to rotate, the relatively fastened nut or bolt to be disassembled rotates, the problem that in the prior art, the nut or bolt is rusted is solved, a large force is required to be applied to the spanner by a repair person, when the large force is applied to the spanner by the repair person, the hand slipping phenomenon is easy to occur to the repair person, and the technical problem that the spanner slips from the hand of the repair person is easy is solved.

Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:

FIG. 1 is a schematic view of a first construction of a wrench handle according to the present utility model;

FIG. 2 is a schematic view of a second construction of a wrench handle according to the present utility model;

FIG. 3 is a schematic view of a third construction of a wrench handle according to the present utility model;

FIG. 4 is a right side view of the wrench handle of the present utility model;

FIG. 5 is a schematic view of the ratchet wrench head of the present utility model;

FIG. 6 is a schematic view showing the internal structure of the ratchet wrench head according to the present utility model

Fig. 7 is a schematic view of a part of the structure of the connecting part assembled with the handle of the wrench according to the present utility model.

The reference numerals are explained as follows:

1. a wrench handle; 11. a main jack; 12. a side jack; 13. an extrusion rod; 14. a second compression spring; 15. a second limiting piece; 2. a rotating sleeve; 3. a side plate; 31. perforating; 4. clamping springs; 5. an anti-skid sleeve; 6. a ratchet wrench head; 61. ratchet seat; 611. a small sector transmission gear; 612. a large sector drive gear; 62. a fixing seat; 621. a large sector drive gear; 622. a small sector drive gear; 623. a hand-held ring; 624. a connecting rod; 7. a connection part; 71. a rod; 72. a limit rod; 73. a first compression spring; 74. and the first limiting piece.

Description of the embodiments

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "orientation" or "positional relationship" are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the description, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or those that are conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and for simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the present utility model, unless expressly stated or limited otherwise, a first feature may include first and second features directly contacting each other, either above or below a second feature, or through additional features contacting each other, rather than directly contacting each other. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.

1-4, an anti-skid structure of a maintenance tool comprises a spanner handle 1, wherein a handle body of a hand-held part of the spanner handle 1 is rotationally connected with a profiling rotating sleeve 2, and the sleeve body of the rotating sleeve 2 is imitated according to the need in a human holding state; specifically, a layer of plastic deformation material is covered on a rod body of a rod, baffle rings are arranged on two sides of the rod body of the rod and are positioned on the plastic deformation material, then a person holds the plastic deformation material forcefully, at the moment, the plastic deformation material is plastically deformed, then the person releases the plastic deformation material, at the moment, an initial model of the outline of the rotating sleeve 2 after deformation can be obtained, and then a final model of the outline of the rotating sleeve 2 obtained by trimming the initial model is obtained.

Then, a side plate 3 along the radial direction is arranged on one side of the sleeve body of the rotary sleeve 2, and a perforation 31 for the fingers of a maintainer to pass through is arranged on the side plate 3;

specifically, when a person holds the rotating sleeve 2, the side plate 3 is correspondingly positioned between the second joint and the third joint of the finger cover.

As shown in fig. 5-7, a ratchet wrench head 6 is also included that is capable of corresponding connection with the wrench handle 1.

When the nut or bolt to be disassembled is disassembled, the wrench handle 1 is rotated, the rotating sleeve 2 and the wrench handle 1 rotate relatively, and the positions of the side plates 3 and the hands of the maintenance personnel are relatively static, so that the side plates 3 can not squeeze the hands of the maintenance personnel, and the condition of 'pressing the hands' exists.

Further, as shown in fig. 1-4, annular clamping grooves are formed in the positions, located at the two ends of the rotating sleeve 2, of the handle body of the hand-held part of the wrench handle 1, and clamping springs 4 are clamped in the annular clamping grooves.

Further, as shown in fig. 1-4, to increase the control force of the maintenance personnel; one end of the side plate 3 is spaced from the end face of the rotating sleeve 2 on the same side, the rotating sleeve 2 is sleeved with an anti-slip sleeve 5, and a position of the anti-slip sleeve 5 corresponding to the side plate 3 is provided with a yielding port for the side plate 3 to extend out

In one embodiment, as shown in fig. 3, the through hole 31 is an elongated hole axially disposed along the rotating sleeve 2;

the side plate 3 has a U-shaped structure with an opening end correspondingly and fixedly connected with the rotating sleeve 2 according to the requirement.

In another embodiment, as shown in fig. 1-2, four through holes 31 are axially spaced along the rotating sleeve 2, and the four through holes 31 are respectively in one-to-one correspondence with the positions of the index finger, the middle finger, the ring finger and the little finger of the maintenance personnel.

The four perforations 31 are set according to the above four finger positions of the person as required for the maintenance personnel to achieve the best comfort.

In some embodiments, as shown in fig. 5-6, the ratchet wrench head 6 includes a ratchet seat 61 and a fixing seat 62, the ratchet seat 61 is provided with a small sector transmission gear 611 and a large sector transmission gear 612 along the circumferential direction thereof, the fixing seat 62 is provided with a large sector driving gear 621 and a small sector driving gear 622 engaged with the small sector transmission gear 611 and the large sector transmission gear 612 respectively on the outer sides of the small sector transmission gear 611 and the large sector transmission gear 612, and a connecting part 7 detachably connected with the head of the wrench handle 1 is provided on one side of the large sector driving gear 621 and the small sector driving gear 622 facing away from the ratchet seat 61.

Specifically, small sector gear 611 meshes with large sector gear 621, and large sector gear 612 meshes with small sector gear 622; more specifically, the large sector driving gear 621 and the small sector driving gear 611 are in speed-increasing transmission fit, that is, the transmission ratio between the large sector driving gear 621 and the small sector driving gear 611 is greater than 1, and is preferably 2-4; the small fan-shaped driving gear 622 and the large fan-shaped transmission gear 612 are in speed reduction transmission fit, namely the transmission ratio between the small fan-shaped driving gear 622 and the large fan-shaped transmission gear 612 is smaller than 1, and is preferably 1/4-1/2; that is, when the maintenance person drives the ratchet seat 61 to rotate by using the reduction transmission cooperation between the small fan-shaped driving gear 622 and the large fan-shaped driving gear 612, and further drives the ratchet wrench head 6 to rotate, the maintenance person is more labor-saving, that is, the maintenance person can drive the ratchet wrench head 6 to rotate by using a smaller force, the principle can be referred to the principle of the chain set when the speed-changing bicycle is ascending, that is, when the transmission ratio is small enough, the rider can ride on a steeper slope of the bicycle.

Further, as shown in fig. 7, the connecting portion 7 includes a plug-in rod 71, the outer end of the plug-in rod 71 is provided with a through hole, and the end of the through hole cavity is provided with a limit rod 72, the outer end of which can extend out of or retract into the through hole;

further, the through hole bore is provided with a first compression spring 73 which presses the stopper rod 72 outwardly, and the end of the through hole is provided with a first stopper 74 which restricts the escape of the stopper rod 72.

Further, a main jack 11 for the insertion rod 71 to be inserted in a matching way is arranged on the end face of the head of the wrench handle 1, a side jack 12 for the limit rod 72 to be inserted in a matching way is arranged on the wall of the main jack 11 opposite to the hole, and the side jack 12 is provided with an extrusion rod 13 capable of extruding the limit rod 72 so that the limit rod 72 is retracted into the through hole;

further, the outer end of the extrusion rod 13 extends out of the side insertion hole 12, a second compression spring 14 is arranged between the outer end of the extrusion rod 13 and the outer end of the side insertion hole 12, and a second limiting piece 15 for limiting the extrusion rod 13 to be separated is further arranged at the outer end of the side insertion hole 12.

The orifice edges of the main insertion holes 11 corresponding to the side insertion holes 12 are provided with chamfers as needed.

The main jack 11 on the wrench handle 1 can be sleeved on the rod body of the inserting rod 71, the limiting rod 72 is retracted into the through hole under the action of the hole wall of the main jack 11 at the beginning, after the inserting rod 71 is matched with the main jack 11 in place, the inserting rod 71 extends out of the through hole under the action of the spring of the first compression spring 73 and extends into the side jack 12, and at the moment, the wrench handle 1 is correspondingly connected with the connecting part 7;

when the connection between the wrench handle 1 and the connecting part 7 is released, the corresponding limiting rod 72 can be pushed by the extrusion rod 13 through extrusion of the extrusion rod 13, so that the limiting rod 72 is separated from the side jack 12, and then the wrench handle 1 is pulled outwards along the axial direction of the inserting rod 71, so that the wrench handle 1 is separated from the connecting part 7.

According to the requirement, a holding ring 623 is arranged at the middle part of one side surface of the fixing seat 62 at intervals, and the holding ring 623 is correspondingly connected with the fixing seat 62 through a plurality of connecting rods 624 arranged along the circumferential direction of the holding ring 623 at intervals.

This sets up that maintenance personnel can hold fixing base 62 through handheld ring 623 for fixing base 62 position.

When the wrench is used, the ratchet wrench head 6 is sleeved on the head of a nut or bolt to be disassembled in a ratchet matching way, then the wrench handle 1 is matched with the connecting part 7 on one side of the small fan-shaped driving gear 622, then a finger of a maintainer passes through the corresponding through hole 31 and holds the rotating sleeve 2, at this time, the maintainer can rotate the wrench handle 1 in a relatively labor-saving way, so that the small fan-shaped driving gear 622 drives the large fan-shaped driving gear 612 to rotate, the large fan-shaped driving gear 612 drives the ratchet seat 61 to rotate, and further, when the ratchet wrench head 6 rotates, the relatively fastened nut or bolt to be disassembled rotates, when the nut or bolt to be disassembled rotates approximately half a circle or a plurality of circles (according to different nuts or bolts 621 to be disassembled), the wrench handle 1 is matched with the connecting part 7 on one side of the large fan-shaped driving gear, and at this time, the nut or bolt to be disassembled can be rapidly driven to rotate, and the efficiency of the nut or bolt to be disassembled is improved; the maintenance tool has more obvious effect on the nut or bolt to be disassembled, which is more in number of screw-joint turns or more fastened.

By the arrangement of the small sector transmission gear 611, the large sector transmission gear 612, the large sector transmission gear 621 and the small sector transmission gear 622, a maintenance person can rotate the wrench handle 1 in a relatively labor-saving mode, the small sector transmission gear 622 drives the large sector transmission gear 612 to rotate, the large sector transmission gear 612 drives the ratchet seat 61 to rotate, and then the ratchet wrench head 6 rotates when ratchet wheels are driven to rotate, so that a relatively fastened nut or bolt to be disassembled rotates, the problem that in the prior art, the nut or bolt is rusted, a large force needs to be applied to the wrench by a repair person, and when a large force is applied to the wrench by the repair person, a hand slip phenomenon easily occurs to the repair person, and the wrench is easy to slip from the hand of the repair person is solved.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. The utility model provides a maintenance tool's antiskid structure, includes spanner handle (1), its characterized in that: the wrench is characterized in that the handle body of the hand-held part of the wrench handle (1) is rotationally connected with a profiling rotating sleeve (2), a radial side plate (3) is arranged on one side of the sleeve body of the rotating sleeve (2), and a through hole (31) for a finger of a maintainer to pass through is formed in the side plate (3).

2. The non-slip construction for a service tool according to claim 1, wherein: the perforation (31) is provided with four holes along the axial direction of the rotating sleeve (2) at intervals, and the four perforation (31) are respectively in one-to-one correspondence with the positions of the index finger, the middle finger, the ring finger and the little finger of the maintenance personnel.

3. The non-slip construction for a service tool according to claim 1, wherein: the through hole (31) is a strip hole axially arranged along the rotating sleeve (2).

4. The non-slip construction for a service tool according to claim 1, wherein: the wrench handle (1) is characterized in that annular clamping grooves are formed in the positions, located at two ends of the rotating sleeve (2), of the handle body of the hand-held portion of the wrench handle, and clamping springs (4) are clamped in the annular clamping grooves.

5. The non-slip construction for a service tool according to claim 1, wherein: the anti-slip cover is characterized in that a space exists between one end of the side plate (3) and the end face of the rotating cover (2) on the same side, an anti-slip cover (5) is arranged on the rotating cover (2) body in a sleeved mode, and an abdication opening for extending out of the side plate (3) is formed in the position, corresponding to the side plate (3), of the anti-slip cover (5).

6. The non-slip construction for a service tool according to claim 1, wherein: still include ratchet spanner head (6), ratchet spanner head (6) include ratchet seat (61) and fixing base (62), ratchet seat (61) are equipped with little sector transmission gear (611) and big sector transmission gear (612) along its circumference, fixing base (62) correspond the outside of little sector transmission gear (611) and big sector transmission gear (612) and are equipped with big sector driving gear (621) and little sector driving gear (622) rather than meshing respectively, one side that big sector driving gear (621) and little sector driving gear (622) deviate from ratchet seat (61) is equipped with connecting portion (7) that can dismantle the connection with spanner handle (1) head.

7. The non-slip construction for a service tool according to claim 6, wherein: the connecting part (7) comprises a plug rod (71), a through hole is arranged at the outer end part of the plug rod (71), and a limiting rod (72) with the outer end capable of extending out of or retracting into the through hole is arranged at the end part of the through hole cavity;

the wrench is characterized in that a main jack (11) for the insertion rod (71) to be matched and inserted is arranged on the end face of the head of the wrench handle (1), a side jack (12) for the limit rod (72) to be matched and inserted is arranged on the opposite hole wall of the main jack (11), and the side jack (12) is provided with an extrusion rod (13) capable of extruding the limit rod (72) so that the limit rod (72) is retracted into the through hole.

8. The anti-slip structure for a service tool according to claim 7, wherein: the through hole cavity is provided with a first compression spring (73) which is used for extruding the limiting rod (72) outwards, and the end part of the through hole is provided with a first limiting piece (74) which is used for limiting the limiting rod (72) to be separated.

9. The anti-slip structure for a service tool according to claim 7, wherein: the outer end of the extrusion rod (13) extends out of the side insertion hole (12), a second compression spring (14) is arranged between the outer end of the extrusion rod (13) and the outer end of the side insertion hole (12), and a second limiting piece (15) for limiting the extrusion rod (13) to separate is further arranged at the outer end of the side insertion hole (12).

10. The non-slip construction for a service tool according to claim 6, wherein: the middle part of one side surface of the fixing seat (62) is provided with a handheld ring (623) at intervals, and the handheld ring (623) is correspondingly connected with the fixing seat (62) through a plurality of connecting rods (624) arranged along the circumferential direction of the handheld ring (623) at intervals.