CN215854830U

CN215854830U - Jack

Info

Publication number: CN215854830U
Application number: CN202121476687.8U
Authority: CN
Inventors: 王大娃; 杨炎; 王凤仙; 丁良奇
Original assignee: BAIC Motor Co Ltd
Current assignee: BAIC Motor Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-02-18
Anticipated expiration: 2031-06-29

Abstract

The utility model provides a jack, comprising: base, sleeve pipe, bracing piece, top supporting seat. One end of the sleeve is sleeved at the upper end of the base, and the sleeve is fixed at the position relative to the base after vertically moving in the upper end of the base; the supporting rod is sleeved in the sleeve, and the supporting rod is fixed at the position relative to the sleeve after vertically moving in the sleeve; the upper end of the supporting rod is sleeved at the lower end of the top supporting seat. According to the scissor jack, the sleeve vertically moves, so that the object is lifted, the structure is simple and reliable, meanwhile, the secondary height adjustment can be performed through the support rod, the adjustment range is wider, and the problem that the scissor jack bears shearing force in the using process can be solved.

Description

Jack

Technical Field

The utility model relates to a mechanical jacking device, in particular to a jack.

Background

The jack is one of the common tools used in daily life, is mainly used for lifting and supporting in mechanical equipment, industrial and mining industries, transportation and other departments, has a simple structure, and is easy to use by people.

With the improvement of the life quality of people, automobiles become a tool for riding instead of walk in daily life gradually, and the jack is used as a common vehicle-mounted tool and is very important in the use process of vehicles. At present, the existing jack for vehicle use is generally a rhombic mechanical jack, and is also called a scissor jack because the existing jack bears shearing force.

However, in practical applications, the rhombic mechanical jack has a relatively complex structure, limited bearing capacity, easy damage and low safety.

SUMMERY OF THE UTILITY MODEL

In view of the above, embodiments of the present invention provide a jack, which can overcome the problems in the related art. The technical scheme of the utility model is as follows:

the utility model provides a jack which comprises a base, a sleeve, a supporting rod and a top supporting seat, wherein the sleeve is sleeved on the base;

one end of the sleeve is sleeved at the upper end of the base, and the sleeve is fixed at the position relative to the base after vertically moving in the upper end of the base;

the supporting rod is sleeved in the sleeve, and the supporting rod is fixed at the position relative to the sleeve after vertically moving in the sleeve;

the upper end of the supporting rod is sleeved at the lower end of the top supporting seat.

Optionally, one end of the sleeve is sleeved in the upper end of the base through threads, and the support rod is sleeved in the sleeve through threads.

Optionally, still include the nut:

the nut is welded at the lower end of the support rod.

Optionally, the support rod includes a pulling hole, and the pulling hole is disposed at the lower end of the support rod.

Optionally, the device further comprises a rolling component:

the top supporting seat is characterized in that a first semicircular groove is formed in the bottom of the top supporting seat, a second semicircular groove is formed in the top of the supporting rod, and the rolling part is arranged between the first semicircular groove and the second semicircular groove.

Optionally, the rolling component is a ball.

Optionally, the device further comprises a fixing member:

the top supporting seat is provided with a first fixing hole at the bottom, the upper part of the supporting rod is provided with a second fixing hole, and the fixing piece penetrates through the first fixing hole and the second fixing hole to be connected with the top supporting seat and the supporting rod.

Optionally, the fixing element is a pin.

Optionally, the top support seat is connected to the support rod through a thread.

Optionally, the supporting portion of the top supporting seat is a rough surface.

The technical scheme provided by the utility model at least has the following beneficial effects:

according to the scissor jack, the sleeve vertically moves, so that the object is lifted, the structure is simple and reliable, meanwhile, the secondary height adjustment can be performed through the support rod, the adjustment range is wider, and the problem that the scissor jack bears shearing force in the using process can be solved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is an exploded view of a jack according to an embodiment of the present invention;

fig. 2 is a schematic combination view of a jack according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a rolling member of a jack according to an embodiment of the present invention;

fig. 4 is a schematic view illustrating a fixing member of a jack according to an embodiment of the present invention;

fig. 5 is a schematic view of a jack according to an embodiment of the present invention.

Reference numerals:

1: a base; 2: a sleeve; 3: a support bar; 4: a top support seat; 5: a nut; 6: hole pulling; 7: a rolling member; 8: a fixing member; 9: a first semicircular groove; 10: a second semicircular groove; 11: a first fixing hole; 12: and a second fixing hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Fig. 1 is an exploded view of a jack according to an embodiment of the present invention.

In the figure, the jack comprises a base 1, a sleeve 2, a support rod 3, a top support seat 4, a screw cap 5 and a pulling hole 6.

The cylindrical cavity at the top of the base 1 is an internal thread, and the external thread of the sleeve 2 is connected with the top of the base 1 through threaded connection. Of course, the connection mode is not limited to the threaded connection mode, the connection mode is only a specific example, and the connection mode may also include other schemes in the actual using process, which is not described in detail herein.

Wherein, can make sleeve pipe 2 reciprocate at base 1 top through the rotation to sleeve pipe 2, realize the second grade and adjust, in practical application for jack control range is wider, and the use scene is changeable, and the suitability is stronger.

The supporting rod 3 is in threaded connection with the inner thread of the sleeve 2 through the outer thread, the supporting rod 3 is made to move up and down in the sleeve 2 through rotation, and lifting of objects is achieved through the supporting rod 3. Of course, the connection mode is not limited to the threaded connection mode, the connection mode is only a specific example, and the connection mode may also include other schemes in the actual using process, which is not described in detail herein.

The up and down movement of the support rod 3 can be performed by rotating the nut 5 or by rotating the spanner hole 6. The shape of the pulling hole 6 may be a circular hole or a square hole, which is applied according to the actual situation and is not described here.

Bracing piece 3 can pass through threaded connection with top sprag 4 bottoms, and the in-process that reciprocates when bracing piece 3 can drive top sprag 4 and remove to the realization is to lifting of object. For example, when the object to be lifted is large, the contact area between the supporting rod 3 and the object is not large enough to lift the object or the lifting safety is affected, and the top supporting seat 4 is added to facilitate the lifting of the object and improve the lifting safety of the object. Wherein, bracing piece 3 can pass through threaded connection with top supporting seat 4 bottom, also can connect through other modes, and the no longer repeated description is given here.

Fig. 2 is a schematic combination diagram of a jack according to an embodiment of the present invention.

In the figure, the jack comprises a base 1, a sleeve 2, a support rod 3, a top support seat 4, a screw cap 5 and a pull hole 6

Fig. 2 shows a jack diagram substantially identical to that described in fig. 1, and is not explained here.

Fig. 3 is a schematic diagram illustrating a rolling member of a jack according to an embodiment of the present invention.

The first semicircular groove 9 is located on the lower portion of the top supporting seat 4, the second semicircular groove 10 is located on the top of the supporting rod 3, and the rolling part 7 is arranged between the first semicircular groove 9 and the second semicircular groove 10. The size of the rolling component 7 is used for reference, the size of the rolling component 7 is determined after the first semicircular groove 9 and the second semicircular groove 10 are considered in practical application, the rolling component 7 can be a ball, the rolling component 7 is not limited, the material of the rolling component 7 is determined according to practical use conditions, and details are not repeated here.

In the embodiment of the utility model, the rolling part 7 can be additionally arranged between the support rod 3 and the top support seat 4, the friction can be effectively reduced by using the rolling part 7, the rolling friction is smaller than the sliding friction, and the service life of the jack can be prolonged.

Fig. 4 is a schematic view illustrating a fixing member of a jack according to an embodiment of the present invention.

The first fixing hole 11 is located at the lower part of the top support seat 4, and the second fixing hole 12 is located at the upper part of the support rod 3, and the top support seat 5 and the support rod 3 are connected through the fixing member 8. The size of the fixing element 8 is used for reference, the size of the fixing element 8 is determined after the first fixing hole 11 and the second fixing hole 12 are considered in practical application, the fixing element 8 can be a pin, the fixing element 8 is not limited, the material of the fixing element 8 is determined according to practical use conditions, and details are not repeated here.

In the embodiment of the utility model, the top supporting seat 4 and the supporting rod 3 can be connected through the fixing piece 8, and the fixing piece 8 can ensure the stability of the two parts in the using process and improve the safety of the jack in use.

Fig. 5 shows a jack diagram substantially identical to that described in fig. 1, with the difference that:

first semicircle recess 9 is located 4 lower parts of top sprag seats, and second semicircle recess 10 is located 3 tops of bracing piece, and rolling part 7 sets up in between first semicircle recess 9 and second semicircle recess 10, and first fixed orifices 11 is in being located 4 lower parts of top sprag seats, and second fixed orifices 12 is located and is located 3 upper portions of bracing piece, connects top sprag seats 4 and bracing piece 3 through mounting 8.

In the embodiment of the utility model, the rolling part 7 can be additionally arranged between the supporting rod 3 and the top supporting seat 4, the friction can be effectively reduced by using the rolling part 7, the rolling friction is smaller than the sliding friction, the service life of the jack can be prolonged, the top supporting seat 4 and the supporting rod 3 can be connected by the fixing part 8, the stability of the two parts in the using process can be ensured by using the fixing part 8, and the safety of the jack in use can be improved.

While embodiments of the present invention have been described, additional variations and modifications of the embodiments of the present invention will occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including all such alterations and modifications as fall within the true scope of the embodiments of the utility model.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or terminal equipment comprising the element.

The technical solutions provided by the present invention are described in detail above, and the principle and the implementation of the present invention are explained in the present document by applying specific examples, and the above description is only used to help understanding the method of the present invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A lifting jack, comprising: the device comprises a base (1), a sleeve (2), a support rod (3) and a top support seat (4);

one end of the sleeve (2) is sleeved at the upper end of the base (1), and the sleeve (2) is fixed at the position relative to the base (1) after vertically moving in the upper end of the base (1);

the supporting rod (3) is sleeved in the sleeve (2), and the supporting rod (3) is fixed at the position relative to the sleeve (2) after vertically moving in the sleeve (2);

the upper end of the supporting rod (3) is sleeved at the lower end of the top supporting seat (4).

2. A jack as claimed in claim 1 in which:

one end of the sleeve (2) is internally sleeved at the upper end of the base (1) through threads, and the support rod (3) is internally sleeved at the sleeve (2) through threads.

3. Jack according to claim 1, characterized in that it further comprises a nut (5):

the screw cap (5) is welded at the lower end of the support rod (3).

4. A jack as claimed in claim 1 in which:

the supporting rod (3) comprises a pulling hole (6), and the pulling hole (6) is formed in the lower end of the supporting rod (3).

5. A jack as claimed in claim 1 further comprising rolling members (7):

the top supporting seat (4) is provided with a first semicircular groove (9) at the bottom, a second semicircular groove (10) at the top of the supporting rod (3), and the rolling part (7) is arranged between the first semicircular groove (9) and the second semicircular groove (10).

6. A jack as claimed in claim 5 in which the rolling members (7) are balls.

7. A jack as claimed in claim 1 further comprising a fixing member (8):

the top supporting seat is characterized in that a first fixing hole (11) is formed in the bottom of the top supporting seat (4), a second fixing hole (12) is formed in the upper portion of the supporting rod (3), and the fixing piece (8) penetrates through the first fixing hole (11) and the second fixing hole (12) to be connected with the top supporting seat (4) and the supporting rod (3).

8. A jack as claimed in claim 7 in which the fixing elements (8) are pins.

9. A jack as claimed in claim 1 in which the top support (4) is threaded onto the support rod (3).

10. A jack as claimed in claim 1 in which the support for the top support (4) is a rough surface.