CN220845283U

CN220845283U - Scissor jack with multifunctional bidirectional ratchet wrench

Info

Publication number: CN220845283U
Application number: CN202322566195.3U
Authority: CN
Inventors: 徐绍骝; 常良成; 王峻
Original assignee: Changshu Tongrun Auto Accessory Co Ltd
Current assignee: Changshu Tongrun Auto Accessory Co Ltd
Priority date: 2023-09-21
Filing date: 2023-09-21
Publication date: 2024-04-26
Anticipated expiration: 2033-09-21

Abstract

A scissor jack with a multifunctional bidirectional ratchet wrench belongs to the technical field of automobile equipment. The scissor jack comprises an adjusting screw, and the tail part of the adjusting screw is formed at one end part of the adjusting screw; the multifunctional bidirectional ratchet wrench comprises a wrench body, one end of the wrench body is provided with a wrench head, and the multifunctional bidirectional ratchet wrench is characterized by further comprising: the ratchet mechanism is arranged in the hollow cavity of the wrench head and comprises a ratchet and a shifting fork, and the shifting fork is rotationally connected with the wrench head; the screw rod matching sleeve is connected to one side of the ratchet wheel and is matched and installed on the head of the wrench, and a matching groove is also formed in the screw rod matching sleeve and is in butt joint and matched with the tail of the adjusting screw rod; the screwing piece is connected to one side position of the ratchet wheel, which is far away from the screw rod matching sleeve, and is used for butt-joint matching with the corresponding sleeve and realizing torque input to the sleeve. The advantages are that: the quick and efficient lifting operation of the scissor jack is realized, the spanner can continuously run and rotate at a narrow position, and the application range is expanded.

Description

Scissor jack with multifunctional bidirectional ratchet wrench

Technical Field

The utility model belongs to the technical field of automobile equipment, and particularly relates to a scissor jack with a multifunctional bidirectional ratchet wrench.

Background

The scissor jack is a jack, is mainly used for jacking and supporting small-tonnage automobiles such as cars because of the appearance of the structure of the scissor jack like scissors, is also called a bracket jack, is light and quick to use, is a product designed and produced based on the geometric principle that the length of the bottom edge is shortened to promote the vertical height, and is also a vehicle-mounted product of each domestic large automobile factory. The existing scissor jack comprises a base, a top for jacking an automobile, four lifting arms and an adjusting screw, wherein the four lifting arms are mutually hinged together in a parallelogram shape, the adjusting screw is in threaded connection with the middle hinged part of the lifting arms, and a circular flat head is arranged at the tail part of the adjusting screw; when the lifting arm lifting device is specifically used, the head of the strip-shaped rocking handle is inserted into the annular flat head of the adjusting screw, the rotation of the adjusting screw is realized by rotating the rocking handle, and therefore the distance between the lifting arms is adjusted to realize the up-and-down lifting of the lifting arms. However, the above-described crank type driving method has the following drawbacks: in the existing automobile rescue or maintenance operation process, the scissor jack is usually placed between the ground and the chassis, so that the whole operation space of the scissor jack is quite narrow, an appropriate force-applying point is required to be selected for rotation when the adjusting screw is screwed at the narrow position, but when the scissor handle is rotated each time, the spanner is contacted with the ground or encounters an obstacle after moving for a short distance, so that the scissor handle is required to be taken out again and again from the annular flat head to adjust the rotation direction and angle, and finally the lifting arm can be opened to completely lift the scissor jack, so that the operation mode is quite inconvenient in the actual use process and severely limits the working efficiency; the ratchet wrench is widely applied due to small working swing angle, convenient use and high efficiency, and can be used for rotating bolts or nuts arranged at narrow or inaccessible positions, but the ratchet wrench special for the scissor jack is not available at present, so that the lifting driving problem of the scissor jack cannot be well solved.

In view of the above prior art, the present inventors have advantageously devised the technical solutions described below, which are created in this context.

Disclosure of utility model

The utility model aims to provide a scissor jack with a multifunctional bidirectional ratchet wrench, which is compact in structure, low in cost and durable, is beneficial to realizing rapid and efficient lifting operation of the scissor jack by additionally arranging a screw rod matching sleeve for driving an adjusting screw rod, enables the wrench to continuously run and rotate at a narrow position, and is beneficial to realizing matching with a sleeve by arranging a screwing piece with a four-corner head on the ratchet wrench, thereby completing tightening operation of a fastener and further expanding the application range.

The utility model aims to achieve the task, namely a scissor jack with a multifunctional bidirectional ratchet wrench, which comprises an adjusting screw, wherein the end part of one end of the adjusting screw is provided with an adjusting screw tail part; the wrench comprises a wrench body, wherein a wrench head is formed at one end part of the wrench body in the length direction in an expanding manner, and the interior of the wrench head is hollow; the multifunctional bidirectional ratchet wrench also comprises a ratchet mechanism which is arranged in the hollow cavity of the wrench head, the ratchet mechanism comprises a ratchet wheel and a shifting fork which are meshed with each other, the shifting fork is rotationally connected with the wrench head, the two side surfaces of the wrench head are provided with wrench head side openings, and one end part of the shifting fork is always extended out of one wrench head side opening of the wrench head; the screw rod matching sleeve is used for being in butt joint fit with the tail part of the adjusting screw rod of the scissor jack, is connected to one side of the ratchet wheel and is matched and installed on the head part of the wrench, and is also provided with a matching groove which is in butt joint fit with the tail part of the adjusting screw rod; the screwing piece is connected to one side of the ratchet wheel, which is far away from the screw rod matching sleeve, is of a cylindrical structure and protrudes outwards from the wrench head, and is used for being in butt joint with a corresponding sleeve and can realize torque input to the sleeve.

In a specific embodiment of the present utility model, a grip portion is further disposed at an end portion of the wrench body in a length direction away from the wrench head, and an outer contour of the grip portion is integrally larger than an outer contour of the wrench body.

In another specific embodiment of the present utility model, the wrench head is integrally formed at one end position in the length direction of the wrench body.

In yet another specific embodiment of the present utility model, the wrench head has two wrench head positioning plates disposed in correspondence with each other in a spaced state, and a wrench head sidewall plate of polygonal ring structure is further formed between the circumferential edges of the two wrench head positioning plates, the wrench head sidewall plate being formed with the wrench head sidewall opening; the two spanner head locating plates are provided with round through holes penetrating through the thickness direction of the two spanner head locating plates, the peripheral outline of the screw rod matching sleeve is matched with the shape of the round through hole on one spanner head locating plate, the screw rod matching sleeve can be matched and installed in the round through hole, the peripheral outline of the screwing piece is matched with the shape of the round through hole on the other spanner head locating plate, and the screwing piece protrudes outwards from the spanner head.

In still another specific embodiment of the present utility model, a shift fork rotating shaft is further penetrated in the shift fork, and two end parts of the shift fork rotating shaft respectively penetrate through two spanner head positioning plates and are connected with the spanner head positioning plates, so that the shift fork is rotatably connected with the spanner head, and the shift fork rotating shaft are in clearance fit.

In still another specific embodiment of the present utility model, the mating groove of the screw mating sleeve is a cross groove or one of a hexagonal pit, a tetragonal pit, and a triangular pit.

In a further specific embodiment of the utility model, a quadrangle head is arranged at one end part of the screwing piece far away from the spanner head in the length direction, the quadrangle head is used for realizing butt joint fit with a corresponding sleeve, and a telescopic steel ball is arranged on the quadrangle head.

The utility model has the beneficial effects that due to the adoption of the structure, the utility model has the following advantages: firstly, a screw rod matching sleeve which can be matched with the tail part of an adjusting screw rod of a scissor jack is arranged on a multifunctional bidirectional ratchet wrench, the adjusting screw rod can be driven to rotate through a rotating wrench body, so that the up-and-down lifting action of the scissor jack is realized, the whole bidirectional rotation and reset operation of the ratchet wrench can be realized efficiently and conveniently through a ratchet mechanism, the jacking operation is convenient to be carried out in a narrow space or a corner position, the screwing operation in two directions on the screw rod is realized without taking the screw rod matching sleeve off from the tail part of the adjusting screw rod, the working efficiency is improved, meanwhile, the multifunctional bidirectional ratchet wrench has the beneficial effects of low cost, convenience in use and durability, and four corner heads on a screwed piece can be matched with a hexagonal sleeve and can be used for tightening a fastener, so that the use range is effectively widened; secondly, through setting up spanner head lateral part opening on spanner head, and the both ends tip of shift fork all can stretch out spanner head lateral part opening, therefore the user easily conveniently stirs in spanner head's both sides the shift fork, constantly changes the meshing position of shift fork and ratchet, the operation of multi-functional two-way ratchet spanner of being convenient for has further improved work efficiency.

Drawings

FIG. 1 is a schematic perspective view of a multifunctional bi-directional ratchet wrench according to the present utility model;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a front view of FIG. 1;

fig. 4 is a schematic perspective view of an embodiment of the present utility model.

In the figure: 1. wrench body, 11, wrench head, 111, wrench head side opening, 112, wrench head positioning plate, 1121, circular through hole, 113, wrench head side wall plate, 12, handle; 2. ratchet mechanism, 21, ratchet, 22, shift fork, 221, shift fork rotating shaft; 3. screw rod fit sleeve, 31. Fit groove; 4. screw the piece, 41, four corners head, 411, steel ball; 5. the device comprises a scissor jack, a base, a top, a lifting arm, an adjusting screw and an adjusting screw, wherein the scissor jack, the base, the top, the lifting arm, the adjusting screw and the adjusting screw are respectively arranged at the tail part of the adjusting screw, and the scissor jack, the base, the lifting arm, the adjusting screw and the adjusting screw are respectively arranged at the tail part of the adjusting screw; 6. a sleeve.

Detailed Description

The following detailed description of specific embodiments of the utility model, while given in connection with the accompanying drawings, is not intended to limit the scope of the utility model, and any changes that may be made in the form of the inventive concepts described herein, without departing from the spirit and scope of the utility model.

In the following description, any reference to the directions or azimuths of up, down, left, right, front and rear is based on the positions shown in the corresponding drawings, and therefore, should not be construed as a limitation on the technical solutions provided by the present utility model.

Referring to fig. 1 to 3 in combination with fig. 4, the present embodiment shows a scissor jack with a multifunctional bidirectional ratchet wrench, as shown in fig. 4, wherein the structure of the scissor jack 5 belongs to the conventional technology, and is briefly described herein, and includes a base 51, a top 52, four lifting arms 53 disposed on the base 51 and hinged to each other, and an adjusting screw 54, wherein the top 52 is fixedly connected to top ends of the two lifting arms 53 at the upper part, the adjusting screw 54 is penetrated in a transverse state at a middle hinge point of the four lifting arms 53, and an adjusting screw tail 541 is further formed at one end of the adjusting screw 54; the multifunctional bidirectional ratchet wrench comprises a wrench body 1, wherein the wrench body 1 is of a rectangular structure, a wrench head 11 is formed at one end of the wrench body 1 in the length direction, the wrench head 11 is hollow, and the wrench head 11 is of an inverted pear-shaped structure as shown in fig. 1.

The technical key points of the technical scheme provided by the utility model are as follows: the multifunctional bidirectional ratchet wrench further comprises a ratchet mechanism 2, the ratchet mechanism 2 is used for adjusting the use direction of the multifunctional bidirectional ratchet wrench, the ratchet mechanism 2 is arranged in the hollow cavity of the wrench head 11, the ratchet mechanism 2 comprises a ratchet 21 and a shifting fork 22 which are meshed with each other, the shifting fork 22 is rotationally connected with the wrench head 11, wrench head side openings 111 are formed in two side surfaces of the wrench head 11, and one end part of the shifting fork 22 is always extended out of one wrench head side opening 111 of the wrench head 11; a screw matching sleeve 3, wherein the screw matching sleeve 3 is used for being in butt joint with the tail 541 of the adjusting screw of the scissor jack 5 shown in fig. 4 and driving the adjusting screw 54 to rotate, the screw matching sleeve 3 is connected to one side of the ratchet 21 and is matched and installed on the wrench head 11, a matching groove 31 is also formed on the screw matching sleeve 3, and the matching groove 31 is in butt joint and matched with the tail 541 of the adjusting screw; a tightening member 4, the tightening member 4 is connected to the ratchet 21 at a position far from the screw matching sleeve 3, the tightening member 4 and the wrench body 1 are perpendicular to each other, the tightening member 4 is in a cylindrical shape and protrudes out from the wrench head 11, and the tightening member 4 is used for abutting with the corresponding socket 6 shown in fig. 4 and can input torque to the socket 6.

In this embodiment, the ratchet 21 and the shift fork 22 of the ratchet mechanism 2 can be meshed with each other, the shift fork 22 is provided with two matched clamping teeth parts, the two matched clamping teeth parts on the shift fork 22 can be matched with the teeth of the ratchet 21, the bidirectional rotation of the screw rod matched sleeve 3 and the screwing piece 4 connected to the ratchet 21 can be realized through the matching of the ratchet 21 and the shift fork 22, the reset operation of the wrench body 1 can be realized, and the lifting operation of the scissor jack 5 in a narrow space or at a corner position can be realized; since the structure and working principle of the ratchet 21 and the fork 22 of the ratchet mechanism 2 belong to known technologies, refer to patent documents CN207757517U (a bidirectional ratchet wrench), CN202129748U (bidirectional ratchet wrench) and CN203485080U (bidirectional ratchet mechanism, ratchet wrench and ratchet screwdriver applying the bidirectional ratchet mechanism), and will not be described in detail herein.

In this embodiment, a grip 12 is further disposed at the end of the wrench body 1 away from the wrench head in the length direction, and the outer contour of the grip 12 is larger than that of the wrench body 1, and the grip 12 is convenient for the user to grasp the wrench, thereby improving the convenience of use.

With continued reference to fig. 1 in combination with fig. 2 and 3, the wrench head 11 is integrally formed at one end of the wrench body 1 in the longitudinal direction; the integrated wrench head 11 and the wrench body 1 can improve the connection strength between each other, so that the overall self strength is high, the processing is also convenient, the precision is high, and the connection operation step between the wrench head 11 and the wrench body 1 is also omitted.

In this embodiment, the wrench head 11 has two wrench head positioning plates 112 disposed in a spaced relationship, and a wrench head sidewall 113 having a polygonal ring structure is formed between the circumferential edges of the two wrench head positioning plates 112, and the wrench head side opening 111 is formed in the wrench head sidewall 113; the two wrench head positioning plates 112 are provided with circular through holes 1121 penetrating through the thickness direction thereof, the peripheral outline of the screw rod matching sleeve 3 is matched with the shape of the circular through hole 1121 on one wrench head positioning plate 112, the screw rod matching sleeve 3 can be matched and installed in the circular through hole 1121, the peripheral outline of the screwing piece 4 is matched with the shape of the circular through hole 1121 on the other wrench head positioning plate 112, and the screwing piece 4 protrudes outwards from the wrench head 11.

Further, a fork shaft 221 is further disposed in the fork 22, and two end portions of the fork shaft 221 respectively pass through the two wrench head positioning plates 112 and are connected with the wrench head positioning plates, so that the fork 22 is connected with the wrench head 11, and the fork 22 is in clearance fit with the fork shaft 221.

Further, the engaging groove 31 of the screw engaging sleeve 3 is in the shape of a cross groove or a hexagonal pit, a quadrangular pit, a triangular pit, etc.; it should be noted that, in this embodiment, as shown in fig. 4, the shape of the mating groove 31 is a cross groove, the shape of the adjusting screw tail 541 is a flat head, the shape of the adjusting screw tail 541 is adapted to the shape of the mating groove 31, and the adjusting screw tail 541 can be inserted into the mating groove 31, however, the shape of the mating groove 31 can also be set to be a hexagonal pit, a tetragonal pit, or the like according to the corresponding requirement, and any structural variation is within the scope of protection of this patent.

Preferably, a tetragonal head 41 is provided at an end of the tightening member 4 far from the wrench head 11 in the length direction, the tetragonal head 41 is used for realizing butt fit with the corresponding sleeve 6 in fig. 4, and a telescopic steel ball 411 is mounted on the tetragonal head 41; as shown in fig. 4, the tetragonal head 41 can be inserted into the through hole of the sleeve 6, and the telescopic steel ball 411 can be abutted against the inner side wall of the through hole of the sleeve 6 to lock the tetragonal head 41 and the sleeve 6.

With continued reference to fig. 1 to 3 and with specific reference to fig. 4, the present inventors briefly described the working principle of the present utility model: as shown in fig. 4, the adjusting screw tail 541 has a flat head configuration; also shown in fig. 4 is a sleeve 6 for the elastic fastener. When the lifting operation of the scissor jack 5 is required to be realized, the screw rod matching sleeve 3 is in butt joint with the tail 541 of the adjusting screw rod, then the handle part 12 is held by hand, the ratchet wheel 21 and the screw rod matching sleeve 3 are rotated by manually screwing the wrench body 1 so as to drive the adjusting screw rod 54 to rotate, the lifting arm 53 is lifted or lowered, the whole lifting operation of the scissor jack 5 is realized, and a user can realize the bidirectional rotation and resetting operation of the ratchet wheel 21 by stirring the shifting fork 22 at the side part of the wrench head 11, so that the lifting operation of the scissor jack 5 in a narrow space or at a corner position is efficiently and conveniently completed, and meanwhile, the working efficiency is greatly improved; in addition, the screwing piece 4 can be sleeved in the through hole of the sleeve 6 and locked with the through hole, and the tightness operation of the fastener can be realized through the rotation of the screwing piece 4 and the sleeve 6, so that the application range is effectively expanded, and the diversification of functions is realized.

In summary, the technical scheme provided by the utility model overcomes the defects in the prior art, successfully completes the task of the utility model, and faithfully honors the technical effects carried by the applicant in the technical effect column above.

Claims

1. A scissor jack with a multifunctional bidirectional ratchet wrench, wherein the scissor jack (5) comprises an adjusting screw (54), and an adjusting screw tail (541) is arranged at one end of the adjusting screw (54); the multifunctional bidirectional ratchet wrench comprises a wrench body (1), wherein a wrench head (11) is expanded at one end part of the wrench body (1) in the length direction, and the wrench head (11) is hollow; the multifunctional bidirectional ratchet wrench is characterized by further comprising a ratchet mechanism (2) which is arranged in the hollow cavity of the wrench head (11), wherein the ratchet mechanism (2) comprises a ratchet wheel (21) and a shifting fork (22) which are meshed with each other, the shifting fork (22) is rotationally connected with the wrench head (11), wrench head side openings (111) are formed in two side surfaces of the wrench head (11), and one end part of the shifting fork (22) is always extended out of one wrench head side opening (111) of the wrench head (11); the screw rod matching sleeve (3) is used for being in butt joint with the tail part of the adjusting screw rod of the scissor jack, the screw rod matching sleeve (3) is connected to one side of the ratchet wheel (21) and is matched and installed on the wrench head part (11), the screw rod matching sleeve (3) is also provided with a matching groove (31), and the matching groove (31) is in butt joint with the tail part (541) of the adjusting screw rod; a screwing element (4), which screwing element (4) is connected to the ratchet wheel (21) at a position remote from the screw-engaging sleeve (3), and which screwing element (4) is of cylindrical configuration and protrudes outwards from the wrench head (11), which screwing element (4) is intended to be brought into engagement with the corresponding sleeve (6) and enables a torque input to the sleeve (6).

2. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 1, wherein: the end part of the other end, far away from the wrench head part, of the wrench body (1) in the length direction is also provided with a grip part (12), and the whole external contour of the grip part (12) is larger than that of the wrench body (1).

3. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 1, wherein: the wrench head part (11) is integrally formed at one end part position in the length direction of the wrench body (1).

4. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 1, wherein: the wrench head (11) is provided with two wrench head positioning plates (112) which are correspondingly arranged in a spaced state, a wrench head side wall plate (113) with a polygonal annular structure is also formed between the circumferential edges of the two wrench head positioning plates (112), and the wrench head side opening (111) is formed on the wrench head side wall plate (113); the two spanner head positioning plates (112) are provided with circular through holes (1121) penetrating through the thickness direction of the two spanner head positioning plates, the peripheral outline of the screw rod matching sleeve (3) is matched with the shape of the circular through hole (1121) on one spanner head positioning plate (112), the screw rod matching sleeve (3) can be matched and installed in the circular through hole (1121), the peripheral outline of the screwing piece (4) is matched with the shape of the circular through hole (1121) on the other spanner head positioning plate (112), and the screwing piece (4) outwards extends out from the spanner head (11).

5. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 4, wherein: a shifting fork rotating shaft (221) is further arranged in the shifting fork (22) in a penetrating way, and two end parts of the shifting fork rotating shaft (221) respectively penetrate through the two spanner head positioning plates (112) and are connected with the spanner head positioning plates, so that the shifting fork (22) is connected with the spanner head (11) in a rotating way.

6. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 1, wherein: the matching groove (31) of the screw matching sleeve (3) is in a shape of a cross groove or one of a hexagonal pit, a four-corner pit and a triangular pit.

7. The scissor jack with a multifunctional bi-directional ratchet wrench of claim 1, wherein: one end part of the screwing piece (4) far away from the spanner head (11) in the length direction is provided with a quadrangle head (41), the quadrangle head (41) is used for realizing butt joint fit with a corresponding sleeve, and a telescopic steel ball (411) is arranged on the quadrangle head (41).